# Read a text file of SubX instructions from stdin, and convert it into a list # of whitespace-separated ascii hex bytes on stdout. Label definitions and # uses are left untouched. # # To run: # $ ./subx translate *.subx apps/pack.subx -o apps/pack # $ echo '05/add-to-EAX 0x20/imm32' |./subx run apps/pack # Expected output: # 05 20 00 00 00 # 05/add-to-EAX 0x20/imm32 # The original instruction gets included as a comment at the end of each # converted line. # # There's zero error-checking. For now we assume the input program is valid. # We'll continue to rely on the C++ version for error messages. == code # instruction effective address register displacement immediate # . op subop mod rm32 base index scale r32 # . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes Entry: # run tests if necessary, convert stdin if not # initialize heap # . Heap = new-segment(64KB) # . . push args 68/push Heap/imm32 68/push 0x10000/imm32/64KB # . . call e8/call new-segment/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . prolog 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # - if argc > 1 and argv[1] == "test", then return run_tests() # . argc > 1 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP . . . . 0/disp8 1/imm32 # compare *EBP 7e/jump-if-lesser-or-equal $run-main/disp8 # . argv[1] == "test" # . . push args 68/push "test"/imm32 ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call kernel-string-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . check result 3d/compare-EAX-and 1/imm32 75/jump-if-not-equal $run-main/disp8 # . run-tests() e8/call run-tests/disp32 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX Num-test-failures/disp32 # copy *Num-test-failures to EBX eb/jump $main:end/disp8 $run-main: # - otherwise convert stdin # var ed/EAX : exit-descriptor 81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # subtract from ESP 89/copy 3/mod/direct 0/rm32/EAX . . . 4/r32/ESP . . # copy ESP to EAX # configure ed to really exit() # . ed->target = 0 c7 0/subop/copy 0/mod/direct 0/rm32/EAX . . . . . 0/imm32 # copy to *EAX # return convert(Stdin, 1/stdout, 2/stderr, ed) # . . push args 50/push-EAX/ed 68/push Stderr/imm32 68/push Stdout/imm32 68/push Stdin/imm32 # . . call e8/call convert/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP # . syscall(exit, 0) bb/copy-to-EBX 0/imm32 $main:end: b8/copy-to-EAX 1/imm32/exit cd/syscall 0x80/imm8 # - big picture # We'll operate on each line/instruction in isolation. That way we only need to # allocate memory for converting a single instruction. # # To pack an entire file, convert every segment in it # To convert a code segment, convert every instruction (line) until the next segment header # To convert a non-data segment, convert every word until the next segment header # # primary state: line # stream of 512 bytes; abort if it ever overflows # conceptual hierarchy within a line: # line = words separated by ' ', maybe followed by comment starting with '#' # word = datum until '/', then 0 or more metadata separated by '/' # # we won't bother saving the internal structure of lines; reparsing should be cheap using three primitives: # next-token(stream, delim char) -> slice (start, end pointers) # next-token-from-slice(start, end, delim char) -> slice # slice-equal?(slice, string) convert: # in : (address buffered-file), out : (address buffered-file) -> # pseudocode: # var line = new-stream(512, 1) # var in-code? = false # while true # clear-stream(line) # read-line-buffered(in, line) # if (line->write == 0) break # end of file # var word-slice = next-word(line) # if slice-empty?(word-slice) # whitespace # write-stream-data(out, line) # else if (slice-equal?(word-slice, "==")) # word-slice = next-word(line) # in-code? = slice-equal?(word-slice, "code") # write-stream-data(out, line) # else if (in-code?) # rewind-stream(line) # convert-instruction(line, out) # else # rewind-stream(line) # convert-data(line, out) # flush(out) # # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # . save registers 50/push-EAX 51/push-ECX 52/push-EDX 53/push-EBX # var line/ECX : (address stream byte) = stream(512) 81 5/subop/subtract 3/mod/direct 4/rm32/ESP . . . . . 0x200/imm32 # subtract from ESP 68/push 0x200/imm32/length 68/push 0/imm32/read 68/push 0/imm32/write 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX # var word-slice/EDX = {0, 0} 68/push 0/imm32/end 68/push 0/imm32/start 89/copy 3/mod/direct 2/rm32/EDX . . . 4/r32/ESP . . # copy ESP to EDX # var in-code?/EBX = false 31/xor 3/mod/direct 3/rm32/EBX . . . 3/r32/EBX . . # clear EBX $convert:loop: # clear-stream(line) # . . push args 51/push-ECX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # read-line-buffered(in, line) # . . push args 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call read-line-buffered/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP $convert:check0: # if (line->write == 0) break 81 7/subop/compare 0/mod/indirect 1/rm32/ECX . . . . . 0/imm32 # compare *ECX 0f 84/jump-if-equal $convert:break/disp32 #? # dump line {{{ #? # . write(2/stderr, "LL: ") #? # . . push args #? 68/push "LL: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, line) #? # . . push args #? 51/push-ECX #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # next-word(line, word-slice) # . . push args 52/push-EDX 51/push-ECX # . . call e8/call next-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP $convert:check1: # if (slice-empty?(word-slice)) write-stream-data(out, line) # . EAX = slice-empty?(word-slice) # . . push args 52/push-EDX # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . if (EAX != 0) write-stream-data(out, line) 3d/compare-EAX-and 0/imm32 0f 85/jump-if-not-equal $convert:pass-through/disp32 $convert:check2: #? # dump word-slice {{{ #? # . write(2/stderr, "AA: ") #? # . . push args #? 68/push "AA: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . clear-stream(Stderr+4) #? # . . push args #? b8/copy-to-EAX Stderr/imm32 #? 05/add-to-EAX 4/imm32 #? 50/push-EAX #? # . . call #? e8/call clear-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write-slice-buffered(Stderr, word-slice) #? # . . push args #? 52/push-EDX #? 68/push Stderr/imm32 #? # . . call #? e8/call write-slice-buffered/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . flush(Stderr) #? # . . push args #? 68/push Stderr/imm32 #? # . . call #? e8/call flush/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # if (!slice-equal?(word-slice, "==")) goto next check # . EAX = slice-equal?(word-slice, "==") # . . push args 68/push "=="/imm32 52/push-EDX # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) goto check3 3d/compare-EAX-and 0/imm32 0f 84/jump-if-equal $convert:check3/disp32 # word-slice = next-word(line) # . . push args 52/push-EDX 51/push-ECX # . . call e8/call next-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # dump segment name {{{ #? # . write(2/stderr, "AA: ") #? # . . push args #? 68/push "AA: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . clear-stream(Stderr+4) #? # . . push args #? b8/copy-to-EAX Stderr/imm32 #? 05/add-to-EAX 4/imm32 #? 50/push-EAX #? # . . call #? e8/call clear-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write-slice-buffered(Stderr, word-slice) #? # . . push args #? 52/push-EDX #? 68/push Stderr/imm32 #? # . . call #? e8/call write-slice-buffered/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . flush(Stderr) #? # . . push args #? 68/push Stderr/imm32 #? # . . call #? e8/call flush/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # in-code? = slice-equal?(word-slice, "code") # . . push args 68/push "code"/imm32 52/push-EDX # . . call e8/call slice-equal?/disp32 # . . discard args 81 
#include "systemfs.h"
#include "common.h"
#include "fs.h"
#include "alloc.h"
#include "device.h"
#include "screen.h"
#include "vmm.h"
#include "process.h"

static FileSystemNode* gSystemFsRoot = NULL;


static BOOL systemfs_open(File *file, uint32 flags);
static FileSystemDirent *systemfs_readdir(FileSystemNode *node, uint32 index);
static FileSystemNode *systemfs_finddir(FileSystemNode *node, char *name);

static void createNodes();

static FileSystemDirent gDirent;

static int32 systemfs_read_meminfo_totalpages(File *file, uint32 size, uint8 *buffer);
static int32 systemfs_read_meminfo_usedpages(File *file, uint32 size, uint8 *buffer);
static BOOL systemfs_open_threads_dir(File *file, uint32 flags);
static void systemfs_close_threads_dir(File *file);

void initializeSystemFS()
{
    gSystemFsRoot = kmalloc(sizeof(FileSystemNode));
    memset((uint8*)gSystemFsRoot, 0, sizeof(FileSystemNode));

    gSystemFsRoot->nodeType = FT_Directory;

    FileSystemNode* rootFs = getFileSystemRootNode();

    mkdir_fs(rootFs, "system", 0);

    FileSystemNode* systemNode = finddir_fs(rootFs, "system");

    if (systemNode)
    {
        systemNode->nodeType |= FT_MountPoint;
        systemNode->mountPoint = gSystemFsRoot;
        gSystemFsRoot->parent = systemNode->parent;
        strcpy(gSystemFsRoot->name, systemNode->name);
    }
    else
    {
        PANIC("Could not create /system !");
    }

    gSystemFsRoot->open = systemfs_open;
    gSystemFsRoot->finddir = systemfs_finddir;
    gSystemFsRoot->readdir = systemfs_readdir;

    createNodes();
}

static void createNodes()
{
    FileSystemNode* nodeMemInfo = kmalloc(sizeof(FileSystemNode));

    memset((uint8*)nodeMemInfo, 0, sizeof(FileSystemNode));

    strcpy(nodeMemInfo->name, "meminfo");
    nodeMemInfo->nodeType = FT_Directory;
    nodeMemInfo->open = systemfs_open;
    nodeMemInfo->finddir = systemfs_finddir;
    nodeMemInfo->readdir = systemfs_readdir;
    nodeMemInfo->parent = gSystemFsRoot;

    gSystemFsRoot->firstChild = nodeMemInfo;

    FileSystemNode* nodeMemInfoTotalPages = kmalloc(sizeof(FileSystemNode));
    memset((uint8*)nodeMemInfoTotalPages, 0, sizeof(FileSystemNode));
    strcpy(nodeMemInfoTotalPages->name, "totalpages");
    nodeMemInfoTotalPages->nodeType = FT_File;
    nodeMemInfoTotalPages->open = systemfs_open;
    nodeMemInfoTotalPages->read = systemfs_read_meminfo_totalpages;
    nodeMemInfoTotalPages->parent = nodeMemInfo;

    nodeMemInfo->firstChild = nodeMemInfoTotalPages;

    FileSystemNode* nodeMemInfoUsedPages = kmalloc(sizeof(FileSystemNode));
    memset((uint8*)nodeMemInfoUsedPages, 0, sizeof(FileSystemNode));
    strcpy(nodeMemInfoUsedPages->name, "usedpages");
    nodeMemInfoUsedPages->nodeType = FT_File;
    nodeMemInfoUsedPages->open = systemfs_open;
    nodeMemInfoUsedPages->read = systemfs_read_meminfo_usedpages;
    nodeMemInfoUsedPages->parent = nodeMemInfo;

    nodeMemInfoTotalPages->nextSibling = nodeMemInfoUsedPages;

    //

    FileSystemNode* nodeThreads = kmalloc(sizeof(FileSystemNode));
    memset((uint8*)nodeThreads, 0, sizeof(FileSystemNode));

    strcpy(nodeThreads->name, "threads");
    nodeThreads->nodeType = FT_Directory;
    nodeThreads->open = systemfs_open_threads_dir;
    nodeThreads->close = systemfs_close_threads_dir;
    nodeThreads->finddir = systemfs_finddir;
    nodeThreads->readdir = systemfs_readdir;
    nodeThreads->parent = gSystemFsRoot;

    nodeMemInfo->nextSibling = nodeThreads;

    //

    FileSystemNode* nodePipes = kmalloc(sizeof(FileSystemNode));
    memset((uint8*)nodePipes, 0, sizeof(FileSystemNode));

    strcpy(nodePipes->name, "pipes");
    nodePipes->nodeType = FT_Directory;
    nodePipes->parent = gSystemFsRoot;

    nodeThreads->nextSibling = nodePipes;

    //

    FileSystemNode* nodeShm = kmalloc(sizeof(FileSystemNode));
    memset((uint8*)nodeShm, 0, sizeof(FileSystemNode));

    strcpy(nodeShm->name, "shm");
    nodeShm->nodeType = FT_Directory;
    nodeShm->parent = gSystemFsRoot;

    nodePipes->nextSibling = nodeShm;
}

static BOOL systemfs_open(File *file, uint32 flags)
{
    return TRUE;
}

static FileSystemDirent *systemfs_readdir(FileSystemNode *node, uint32 index)
{
    int counter = 0;

    FileSystemNode* child = node->firstChild;

    //printkf("systemfs_readdir-main:%s index:%d\n", node->name, index);

    while (NULL != child)
    {
        //printkf("systemfs_readdir-child:%s\n", child->name);
        if (counter == index)
        {
            strcpy(gDirent.name, child->name);
            gDirent.fileType = child->nodeType;

            return &gDirent;
        }

        ++counter;

        child = child->nextSibling;
    }

    return NULL;
}

static FileSystemNode *systemfs_finddir(FileSystemNode *node, char *name)
{
    //printkf("systemfs_finddir-main:%s requestedName:%s\n", node->name, name);

    FileSystemNode* child = node->firstChild;
    while (NULL != child)
    {
        if (strcmp(name, child->name) == 0)
        {
            //printkf("systemfs_finddir-found:%s\n", name);
            return child;
        }

        child = child->nextSibling;
    }

    return NULL;
}

static int32 systemfs_read_meminfo_totalpages(File *file, uint32 size, uint8 *buffer)
{
    if (size >= 4)
    {
        if (file->offset == 0)
        {
            int totalPages = getTotalPageCount();

            sprintf((char*)buffer, "%d", totalPages);

            int len = strlen((char*)buffer);

            file->offset += len;

            return len;
        }
        else
        {
            return 0;
        }
    }
    return -1;
}

static int32 systemfs_read_meminfo_usedpages(File *file, uint32 size, uint8 *buffer)
{
    if (size >= 4)
    {
        if (file->offset == 0)
        {
            int usedPages = getUsedPageCount();

            sprintf((char*)buffer, "%d", usedPages);

            int len = strlen((char*)buffer);

            file->offset += len;

            return len;
        }
        else
        {
            return 0;
        }
    }
    return -1;
}

static BOOL systemfs_open_thread_file(File *file, uint32 flags)
{
    return TRUE;
}

static void systemfs_close_thread_file(File *file)
{

}

static int32 systemfs_read_thread_file(File *file, uint32 size, uint8 *buffer)
{
    if (size >= 128)
    {
        if (file->offset == 0)
        {
            int threadId = atoi(file->node->name);
            Thread* thread = getThreadById(threadId);
            if (thread)
            {
                int charIndex = 0;
                charIndex += sprintf((char*)buffer + charIndex, "tid:%d\n", thread->threadId);
                charIndex += sprintf((char*)buffer + charIndex, "userMode:%d\n", thread->userMode);
                uint8 state[10];
                threadStateToString(thread->state, state, 10);
                charIndex += sprintf((char*)buffer + charIndex, "state:%s\n", state);
                charIndex += sprintf((char*)buffer + charIndex, "contextSwitches:%d\n", thread->totalContextSwitchCount);
                if (thread->owner)
                {
                    charIndex += sprintf((char*)buffer + charIndex, "process:%d\n", thread->owner->pid);
                }
                else
                {
                    charIndex += sprintf((char*)buffer + charIndex, "process:-\n");
                }

                int len = charIndex;

                file->offset += len;

                return len;
            }
        }
        else
        {
            return 0;
        }
    }
    return -1;
}

static void cleanThreadNodes(File *file)
{
    FileSystemNode* node = file->node->firstChild;

    while (node)
    {
        FileSystemNode* next = node->nextSibling;

        kfree(node);

        node = next;
    }
}

static BOOL systemfs_open_threads_dir(File *file, uint32 flags)
{
    char buffer[16];

    cleanThreadNodes(file);

    //And fill again

    FileSystemNode* nodePrevious = NULL;

    Thread* thread = getMainKernelThread();

    while (NULL != thread)
    {
        FileSystemNode* nodeThread = kmalloc(sizeof(FileSystemNode));
        memset((uint8*)nodeThread, 0, sizeof(FileSystemNode));

        sprintf(buffer, "%d", thread->threadId);

        strcpy(nodeThread->name, buffer);
        nodeThread->nodeType = FT_File;
        nodeThread->open = systemfs_open_thread_file;
        nodeThread->close = systemfs_close_thread_file;
        nodeThread->read = systemfs_read_thread_file;
        nodeThread->finddir = systemfs_finddir;
        nodeThread->readdir = systemfs_readdir;
        nodeThread->parent = file->node;

        if (nodePrevious)
        {
            nodePrevious->nextSibling = nodeThread;
        }
        else
        {
            file->node->firstChild = nodeThread;
        }

        nodePrevious = nodeThread;
        thread = thread->next;
    }



    return TRUE;
}

static void systemfs_close_threads_dir(File *file)
{
    //left blank intentionally
}
generated by cgit-pink 1.4.1-2-gfad0 (git 2.36.2.497.gbbea4dcf42) at 2024-06-16 13:48:36 +0000
stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "30 abcd/o") # . . push args 68/push "30 abcd/o"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-data(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-data/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . check-stream-equal(_test-output-stream, "30 abcd/o \n", msg) # . . push args 68/push "F - test-convert-data-byte-then-name"/imm32 68/push "30 abcd/o \n"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-data-multiple-words: # Multiple words in input stream get processed one by one. # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "30 abcd/o 42e1/imm32") # . . push args 68/push "30 abcd/o 42e1/imm32"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-data(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-data/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "30 abcd/o 42 e1 00 00 \n", msg) # . . push args 68/push "F - test-convert-data-multiple-words"/imm32 68/push "30 abcd/o e1 42 00 00 \n"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-data-trailing-comment: # Trailing comments in data segment get appropriately ignored. # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "30/imm32 # comment") # . . push args 68/push "30/imm32 # comment"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-data(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-data/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "30 00 00 00 # comment", msg) # . . push args 68/push "F - test-convert-data-trailing-comment"/imm32 68/push "30 00 00 00 # comment"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return # pack an instruction, following the C++ version # # zero error handling at the moment (continuing to rely on the C++ version for that): # missing fields are always 0-filled # bytes never mentioned are silently dropped; if you don't provide /mod, /rm32 or /r32 you don't get a 0 ModR/M byte. You get *no* ModR/M byte. # may pick up any of duplicate operands in an instruction # silently drop extraneous operands # unceremoniously abort on non-numeric operands except disp or imm # opcodes must be lowercase and zero padded # opcodes with misleading operand metadata may get duplicated as operands as well. don't rely on this. convert-instruction: # line : (address stream byte), out : (address buffered-file) -> # pseudocode: # # some early exits # var word-slice = next-word(line) # if slice-empty?(word-slice) # write-stream-data(out, line) # return # if slice-starts-with?(word-slice, "#") # write-stream-data(out, line) # return # if slice-ends-with?(word-slice, ":") # write-stream-data(out, line) # return # # really convert # emit-opcodes(line, out) # emit-modrm(line, out) # emit-sib(line, out) # emit-disp(line, out) # emit-imm(line, out) # emit-line-in-comment(line, out) # # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # . save registers 50/push-EAX 51/push-ECX 52/push-EDX # var word-slice/ECX = {0, 0} 68/push 0/imm32/end 68/push 0/imm32/start 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX # next-word(line, word-slice) # . . push args 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call next-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP $convert-instruction:check0: # if (slice-empty?(word-slice)) break # . EAX = slice-empty?(word-slice) # . . push args 51/push-ECX # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . if (EAX != 0) pass through 3d/compare-EAX-and 0/imm32 75/jump-if-not-equal $convert-instruction:pass-through/disp8 $convert-instruction:check1: # if (slice-starts-with?(word-slice, "#")) write-stream-data(out, line) # . start/EDX = word-slice->start 8b/copy 0/mod/indirect 1/rm32/ECX . . . 2/r32/EDX . . # copy *ECX to EDX # . c/EAX = *start 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX 8a/copy-byte 0/mod/indirect 2/rm32/EDX . . . 0/r32/AL . . # copy byte at *EDX to AL # . if (EAX == '#') pass through 3d/compare-EAX-and 0x23/imm32/hash 74/jump-if-equal $convert-instruction:pass-through/disp8 $convert-instruction:check2: # if (slice-ends-with?(word-slice, ":")) write-stream-data(out, line) # . end/EDX = word-slice->end 8b/copy 1/mod/*+disp8 1/rm32/ECX . . . 2/r32/EDX 4/disp8 . # copy *(ECX+4) to EDX # . c/EAX = *(end-1) 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX 8a/copy-byte 1/mod/*+disp8 2/rm32/EDX . . . 0/r32/AL -1/disp8 . # copy byte at *ECX to AL # . if (EAX == ':') pass through 3d/compare-EAX-and 0x3a/imm32/colon 75/jump-if-not-equal $convert-instruction:really-convert/disp8 $convert-instruction:pass-through: # write-stream-data(out, line) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-stream-data/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # return eb/jump $convert-instruction:end/disp8 $convert-instruction:really-convert: # emit-opcodes(line, out) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call emit-opcodes/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # emit-modrm(line, out) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call emit-modrm/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # emit-sib(line, out) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call emit-sib/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # emit-disp(line, out) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call emit-disp/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # emit-imm(line, out) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call emit-imm/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # emit-line-in-comment(line, out) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call emit-line-in-comment/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP $convert-instruction:end: # . restore locals 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . restore registers 5a/pop-to-EDX 59/pop-to-ECX 58/pop-to-EAX # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return emit-opcodes: # line : (address stream byte), out : (address buffered-file) -> # opcodes occupy 1-3 bytes: # xx # 0f xx # f2 xx # f3 xx # f2 0f xx # f3 0f xx # # pseudocode: # rewind-stream(line) # # var op1 = next-word(line) # if (slice-empty?(op1) || slice-starts-with?(op1, "#")) return # op1 = next-token-from-slice(op1->start, op1->end, "/") # write-slice-buffered(out, op1) # if !slice-equal?(op1, "0f") && !slice-equal?(op1, "f2") && !slice-equal?(op1, "f3") # return # # var op2 = next-word(line) # if (slice-empty?(op2) || slice-starts-with?(op2, "#")) return # op2 = next-token-from-slice(op2->start, op2->end, "/") # write-slice-buffered(out, op2) # if slice-equal?(op1, "0f") # return # if !slice-equal?(op2, "0f") # return # # var op3 = next-word(line) # if (slice-empty?(op3) || slice-starts-with?(op3, "#")) return # op3 = next-token-from-slice(op3->start, op3->end, "/") # write-slice-buffered(out, op3) # # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # . save registers 50/push-EAX 51/push-ECX 52/push-EDX 53/push-EBX # var op1/ECX = {0, 0} 68/push 0/imm32/end 68/push 0/imm32/start 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX # var op2/EDX = {0, 0} 68/push 0/imm32/end 68/push 0/imm32/start 89/copy 3/mod/direct 2/rm32/EDX . . . 4/r32/ESP . . # copy ESP to EDX # rewind-stream(line) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call rewind-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP $emit-opcodes:op1: # next-word(line, op1) # . . push args 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call next-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # if (slice-empty?(op1)) return # . EAX = slice-empty?(op1) # . . push args 51/push-ECX # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . if (EAX != 0) return 3d/compare-EAX-and 0/imm32 0f 85/jump-if-not-equal $emit-opcodes:end/disp32 # if (slice-starts-with?(op1, "#")) return # . start/EBX = op1->start 8b/copy 0/mod/indirect 1/rm32/ECX . . . 3/r32/EBX . . # copy *ECX to EBX # . c/EAX = *start 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX 8a/copy-byte 0/mod/indirect 3/rm32/EBX . . . 0/r32/AL . . # copy byte at *EBX to AL # . if (EAX == '#') return 3d/compare-EAX-and 0x23/imm32/hash 0f 84/jump-if-equal $emit-opcodes:end/disp32 # op1 = next-token-from-slice(op1->start, op1->end, '/') # . . push args 51/push-ECX 68/push 0x2f/imm32/slash ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 4/disp8 . # push *(ECX+4) ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX # . . call e8/call next-token-from-slice/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP # write-slice-buffered(out, op1) # . . push args 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-slice-buffered/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # write-buffered(out, " ") # . . push args 68/push " "/imm32 ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-buffered/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # if (slice-equal?(op1, "0f")) goto op2 # . EAX = slice-equal?(op1, "0f") # . . push args 68/push "0f"/imm32 51/push-ECX # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX != 0) goto op2 3d/compare-EAX-and 0/imm32 75/jump-if-not-equal $emit-opcodes:op2/disp8 # if (slice-equal?(op1, "f2")) goto op2 # . EAX = slice-equal?(op1, "f2") # . . push args 68/push "f2"/imm32 51/push-ECX # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX != 0) goto op2 3d/compare-EAX-and 0/imm32 75/jump-if-not-equal $emit-opcodes:op2/disp8 # if (slice-equal?(op1, "f3")) goto op2 # . EAX = slice-equal?(op1, "f3") # . . push args 68/push "f3"/imm32 51/push-ECX # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX != 0) goto op2 3d/compare-EAX-and 0/imm32 75/jump-if-not-equal $emit-opcodes:op2/disp8 # otherwise return e9/jump $emit-opcodes:end/disp32 $emit-opcodes:op2: # next-word(line, op2) # . . push args 52/push-EDX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call next-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # if (slice-empty?(op2)) return # . EAX = slice-empty?(op2) # . . push args 52/push-EDX # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . if (EAX != 0) return 3d/compare-EAX-and 0/imm32 0f 85/jump-if-not-equal $emit-opcodes:end/disp32 # if (slice-starts-with?(op2, "#")) return # . start/EBX = op2->start 8b/copy 0/mod/indirect 2/rm32/EDX . . . 3/r32/EBX . . # copy *EDX to EBX # . c/EAX = *start 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX 8a/copy-byte 0/mod/indirect 3/rm32/EBX . . . 0/r32/AL . . # copy byte at *EBX to AL # . if (EAX == '#') return 3d/compare-EAX-and 0x23/imm32/hash 0f 84/jump-if-equal $emit-opcodes:end/disp32 # op2 = next-token-from-slice(op2->start, op2->end, '/') # . . push args 52/push-EDX 68/push 0x2f/imm32/slash ff 6/subop/push 1/mod/*+disp8 2/rm32/EDX . . . . 4/disp8 . # push *(EDX+4) ff 6/subop/push 0/mod/indirect 2/rm32/EDX . . . . . . # push *EDX # . . call e8/call next-token-from-slice/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP # write-slice-buffered(out, op2) # . . push args 52/push-EDX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-slice-buffered/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # write-buffered(out, " ") # . . push args 68/push " "/imm32 ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-buffered/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # if (slice-equal?(op1, "0f")) return # . EAX = slice-equal?(op1, "0f") # . . push args 68/push "0f"/imm32 51/push-ECX # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX != 0) return 3d/compare-EAX-and 0/imm32 0f 85/jump-if-not-equal $emit-opcodes:end/disp32 # if (!slice-equal?(op2, "0f")) return # . EAX = slice-equal?(op2, "0f") # . . push args 68/push "0f"/imm32 52/push-EDX # . . call e8/call slice-equal?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) return 3d/compare-EAX-and 0/imm32 0f 84/jump-if-equal $emit-opcodes:end/disp32 $emit-opcodes:op3: # next-word(line, op3) # reuse op2/EDX # . . push args 52/push-EDX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call next-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # if (slice-empty?(op3)) return # . EAX = slice-empty?(op3) # . . push args 52/push-EDX # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . if (EAX != 0) return 3d/compare-EAX-and 0/imm32 0f 85/jump-if-not-equal $emit-opcodes:end/disp32 # if (slice-starts-with?(op3, "#")) return # . start/EBX = op2->start 8b/copy 0/mod/indirect 2/rm32/EDX . . . 3/r32/EBX . . # copy *EDX to EBX # . c/EAX = *start 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX 8a/copy-byte 0/mod/indirect 3/rm32/EBX . . . 0/r32/AL . . # copy byte at *EBX to AL # . if (EAX == '#') return 3d/compare-EAX-and 0x23/imm32/hash 0f 84/jump-if-equal $emit-opcodes:end/disp32 # op3 = next-token-from-slice(op3->start, op3->end, '/') # . . push args 52/push-EDX 68/push 0x2f/imm32/slash ff 6/subop/push 1/mod/*+disp8 2/rm32/EDX . . . . 4/disp8 . # push *(EDX+4) ff 6/subop/push 0/mod/indirect 2/rm32/EDX . . . . . . # push *EDX # . . call e8/call next-token-from-slice/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP # write-slice-buffered(out, op3) # . . push args 52/push-EDX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-slice-buffered/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # write-buffered(out, " ") # . . push args 68/push " "/imm32 ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-buffered/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP $emit-opcodes:end: # . restore locals 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP # . restore registers 5b/pop-to-EBX 5a/pop-to-EDX 59/pop-to-ECX 58/pop-to-EAX # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return emit-modrm: # line : (address stream byte), out : (address buffered-file) -> # pseudocode: # rewind-stream(line) # var has-modrm? = false, mod = 0, rm32 = 0, r32 = 0 # var word-slice = {0, 0} # while true # word-slice = next-word(line) # if (slice-empty?(word-slice)) break # if (slice-starts-with?(word-slice, "#")) break # if (has-metadata?(word-slice, "mod")) # mod = parse-hex-int(next-token-from-slice(word-slice, "/")) # has-modrm? = true # else if (has-metadata?(word-slice, "rm32")) # rm32 = parse-hex-int(next-token-from-slice(word-slice, "/")) # has-modrm? = true # else if (has-metadata?(word-slice, "r32") or has-metadata?(word-slice, "subop")) # r32 = parse-hex-int(next-token-from-slice(word-slice, "/")) # has-modrm? = true # if has-modrm? # var modrm = mod & 0b11 # modrm <<= 3 # modrm |= r32 & 0b111 # modrm <<= 3 # modrm |= rm32 & 0b111 # emit-hex(out, modrm, 1) # # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # . save registers 50/push-EAX 51/push-ECX 52/push-EDX 53/push-EBX 56/push-ESI 57/push-EDI # var word-slice/ECX = {0, 0} 68/push 0/imm32/end 68/push 0/imm32/start 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX # var has-modrm?/EDX = false 31/xor 3/mod/direct 2/rm32/EDX . . . 2/r32/EDX . . # clear EDX # var mod/EBX = 0 31/xor 3/mod/direct 3/rm32/EBX . . . 3/r32/EBX . . # clear EBX # var rm32/ESI = 0 31/xor 3/mod/direct 6/rm32/ESI . . . 6/r32/ESI . . # clear ESI # var r32/EDI = 0 31/xor 3/mod/direct 7/rm32/EDI . . . 7/r32/EDI . . # clear EDI # rewind-stream(line) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call rewind-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump line {{{ #? # . write(2/stderr, "LL: ") #? # . . push args #? 68/push "LL: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, line) #? # . . push args #? ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . rewind-stream(line) #? # . . push args #? ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) #? # . . call #? e8/call rewind-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # }}} $emit-modrm:loop: # next-word(line, word-slice) # . . push args 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call next-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # dump word-slice {{{ #? # . write(2/stderr, "AA: ") #? # . . push args #? 68/push "AA: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . clear-stream(Stderr+4) #? # . . push args #? b8/copy-to-EAX Stderr/imm32 #? 05/add-to-EAX 4/imm32 #? 50/push-EAX #? # . . call #? e8/call clear-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write-slice-buffered(Stderr, word-slice) #? # . . push args #? 51/push-ECX #? 68/push Stderr/imm32 #? # . . call #? e8/call write-slice-buffered/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . flush(Stderr) #? # . . push args #? 68/push Stderr/imm32 #? # . . call #? e8/call flush/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} $emit-modrm:check0: # if (slice-empty?(word-slice)) break # . EAX = slice-empty?(word-slice) # . . push args 51/push-ECX # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . if (EAX != 0) pass through 3d/compare-EAX-and 0/imm32 0f 85/jump-if-not-equal $emit-modrm:break/disp32 $emit-modrm:check1: # if (slice-starts-with?(word-slice, "#")) break # . spill EDX 52/push-EDX # . start/EDX = word-slice->start 8b/copy 0/mod/indirect 1/rm32/ECX . . . 2/r32/EDX . . # copy *ECX to EDX # . c/EAX = *start 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX 8a/copy-byte 0/mod/indirect 2/rm32/EDX . . . 0/r32/AL . . # copy byte at *EDX to AL # . restore EDX 5a/pop-to-EDX # . if (EAX == '#') pass through 3d/compare-EAX-and 0x23/imm32/hash 0f 84/jump-if-equal $emit-modrm:break/disp32 $emit-modrm:check-for-mod: # if (has-metadata?(word-slice, "mod")) # . EAX = has-metadata?(ECX, "mod") # . . push args 68/push "mod"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) goto next check 3d/compare-EAX-and 0/imm32 74/jump-if-equal $emit-modrm:check-for-rm32/disp8 $emit-modrm:mod: # mod = parse-hex-int(next-token-from-slice(word-slice->start, word-slice->end, '/')) # . EAX = parse-datum-of-word(word-slice) # . . push args 51/push-ECX # . . call e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . mod = EAX 89/copy 3/mod/direct 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to EBX # has-modrm? = true ba/copy-to-EDX 1/imm32/true # continue e9/jump $emit-modrm:loop/disp32 $emit-modrm:check-for-rm32: # if (has-metadata?(word-slice, "rm32")) # . EAX = has-metadata?(ECX, "rm32") # . . push args 68/push "rm32"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) goto next check 3d/compare-EAX-and 0/imm32 74/jump-if-equal $emit-modrm:check-for-r32/disp8 $emit-modrm:rm32: # rm32 = parse-hex-int(next-token-from-slice(word-slice->start, word-slice->end, '/')) # . EAX = parse-datum-of-word(word-slice) # . . push args 51/push-ECX # . . call e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . rm32 = EAX 89/copy 3/mod/direct 6/rm32/ESI . . . 0/r32/EAX . . # copy EAX to ESI # has-modrm? = true ba/copy-to-EDX 1/imm32/true # continue e9/jump $emit-modrm:loop/disp32 $emit-modrm:check-for-r32: # if (has-metadata?(word-slice, "r32")) # . EAX = has-metadata?(ECX, "r32") # . . push args 68/push "r32"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) goto next check 3d/compare-EAX-and 0/imm32 74/jump-if-equal $emit-modrm:check-for-subop/disp8 $emit-modrm:r32: # r32 = parse-hex-int(next-token-from-slice(word-slice->start, word-slice->end, '/')) # . EAX = parse-datum-of-word(word-slice) # . . push args 51/push-ECX # . . call e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . r32 = EAX 89/copy 3/mod/direct 7/rm32/EDI . . . 0/r32/EAX . . # copy EAX to EDI # has-modrm? = true ba/copy-to-EDX 1/imm32/true # continue e9/jump $emit-modrm:loop/disp32 $emit-modrm:check-for-subop: # if (has-metadata?(word-slice, "subop")) # . EAX = has-metadata?(ECX, "subop") # . . push args 68/push "subop"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) loop 3d/compare-EAX-and 0/imm32 0f 84/jump-if-equal $emit-modrm:loop/disp32 $emit-modrm:subop: # r32 = parse-hex-int(next-token-from-slice(word-slice->start, word-slice->end, '/')) # . EAX = parse-datum-of-word(word-slice) # . . push args 51/push-ECX # . . call e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . r32 = EAX 89/copy 3/mod/direct 7/rm32/EDI . . . 0/r32/EAX . . # copy EAX to EDI # has-modrm? = true ba/copy-to-EDX 1/imm32/true # continue e9/jump $emit-modrm:loop/disp32 $emit-modrm:break: # if (!has-modrm?) return 81 7/subop/compare 3/mod/direct 2/rm32/EDX . . . . . 0/imm32 # compare EDX 74/jump-if-equal $emit-modrm:end/disp8 $emit-modrm:calculate: # modrm/EBX = mod & 0b11 81 4/subop/and 3/mod/direct 3/rm32/EBX . . . . . 3/imm32/0b11 # bitwise and of EBX # modrm <<= 3 c1/shift 4/subop/left 3/mod/direct 3/rm32/EBX . . . . . 3/imm8 # shift EBX left by 3 bits # modrm |= r32 & 0b111 81 4/subop/and 3/mod/direct 7/rm32/EDI . . . . . 7/imm32/0b111 # bitwise and of EDI 09/or 3/mod/direct 3/rm32/EBX . . . 7/r32/EDI . . # EBX = bitwise OR with EDI # modrm <<= 3 c1/shift 4/subop/left 3/mod/direct 3/rm32/EBX . . . . . 3/imm8 # shift EBX left by 3 bits # modrm |= rm32 & 0b111 81 4/subop/and 3/mod/direct 6/rm32/ESI . . . . . 7/imm32/0b111 # bitwise and of ESI 09/or 3/mod/direct 3/rm32/EBX . . . 6/r32/ESI . . # EBX = bitwise OR with ESI $emit-modrm:emit: # emit-hex(out, modrm, 1) # . . push args 68/push 1/imm32 53/push-EBX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call emit-hex/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP $emit-modrm:end: # . restore locals 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . restore registers 5f/pop-to-EDI 5e/pop-to-ESI 5b/pop-to-EBX 5a/pop-to-EDX 59/pop-to-ECX 58/pop-to-EAX # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return emit-sib: # line : (address stream byte), out : (address buffered-file) -> # pseudocode: # var has-sib? = false, base = 0, index = 0, scale = 0 # var word-slice = {0, 0} # while true # word-slice = next-word(line) # if (slice-empty?(word-slice)) break # if (slice-starts-with?(word-slice, "#")) break # if (has-metadata?(word-slice, "base") # base = parse-hex-int(next-token-from-slice(word-slice, "/")) # has-sib? = true # else if (has-metadata?(word-slice, "index") # index = parse-hex-int(next-token-from-slice(word-slice, "/")) # has-sib? = true # else if (has-metadata?(word-slice, "scale") # scale = parse-hex-int(next-token-from-slice(word-slice, "/")) # has-sib? = true # if has-sib? # var sib = scale & 0b11 # sib <<= 2 # sib |= index & 0b111 # sib <<= 3 # sib |= base & 0b111 # emit-hex(out, sib, 1) # # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # . save registers 50/push-EAX 51/push-ECX 52/push-EDX 53/push-EBX 56/push-ESI 57/push-EDI # var word-slice/ECX = {0, 0} 68/push 0/imm32/end 68/push 0/imm32/start 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX # var has-sib?/EDX = false 31/xor 3/mod/direct 2/rm32/EDX . . . 2/r32/EDX . . # clear EDX # var scale/EBX = 0 31/xor 3/mod/direct 3/rm32/EBX . . . 3/r32/EBX . . # clear EBX # var base/ESI = 0 31/xor 3/mod/direct 6/rm32/ESI . . . 6/r32/ESI . . # clear ESI # var index/EDI = 0 31/xor 3/mod/direct 7/rm32/EDI . . . 7/r32/EDI . . # clear EDI # rewind-stream(line) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call rewind-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP $emit-sib:loop: #? # dump line {{{ #? # . write(2/stderr, "LL: ") #? # . . push args #? 68/push "LL: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, line) #? # . . push args #? ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # next-word(line, word-slice) # . . push args 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call next-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # dump word-slice {{{ #? # . write(2/stderr, "AA: ") #? # . . push args #? 68/push "AA: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . clear-stream(Stderr+4) #? # . . push args #? b8/copy-to-EAX Stderr/imm32 #? 05/add-to-EAX 4/imm32 #? 50/push-EAX #? # . . call #? e8/call clear-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write-slice-buffered(Stderr, word-slice) #? # . . push args #? 51/push-ECX #? 68/push Stderr/imm32 #? # . . call #? e8/call write-slice-buffered/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . flush(Stderr) #? # . . push args #? 68/push Stderr/imm32 #? # . . call #? e8/call flush/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} $emit-sib:check0: # if (slice-empty?(word-slice)) break # . EAX = slice-empty?(word-slice) # . . push args 51/push-ECX # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . if (EAX != 0) pass through 3d/compare-EAX-and 0/imm32 0f 85/jump-if-not-equal $emit-sib:break/disp32 $emit-sib:check1: # if (slice-starts-with?(word-slice, "#")) break # . spill EDX 52/push-EDX # . start/EDX = word-slice->start 8b/copy 0/mod/indirect 1/rm32/ECX . . . 2/r32/EDX . . # copy *ECX to EDX # . c/EAX = *start 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX 8a/copy-byte 0/mod/indirect 2/rm32/EDX . . . 0/r32/AL . . # copy byte at *EDX to AL # . restore EDX 5a/pop-to-EDX # . if (EAX == '#') pass through 3d/compare-EAX-and 0x23/imm32/hash 0f 84/jump-if-equal $emit-sib:break/disp32 $emit-sib:check-for-scale: # if (has-metadata?(word-slice, "scale")) # . EAX = has-metadata?(ECX, "scale") # . . push args 68/push "scale"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) goto next check 3d/compare-EAX-and 0/imm32 74/jump-if-equal $emit-sib:check-for-base/disp8 $emit-sib:scale: # scale = parse-hex-int(next-token-from-slice(word-slice->start, word-slice->end, '/')) # . EAX = parse-datum-of-word(word-slice) # . . push args 51/push-ECX # . . call e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . scale = EAX 89/copy 3/mod/direct 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to EBX # has-sib? = true ba/copy-to-EDX 1/imm32/true # continue e9/jump $emit-sib:loop/disp32 $emit-sib:check-for-base: # if (has-metadata?(word-slice, "base")) # . EAX = has-metadata?(ECX, "base") # . . push args 68/push "base"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) goto next check 3d/compare-EAX-and 0/imm32 74/jump-if-equal $emit-sib:check-for-index/disp8 $emit-sib:base: # base = parse-hex-int(next-token-from-slice(word-slice->start, word-slice->end, '/')) # . EAX = parse-datum-of-word(word-slice) # . . push args 51/push-ECX # . . call e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . base = EAX 89/copy 3/mod/direct 6/rm32/ESI . . . 0/r32/EAX . . # copy EAX to ESI # has-sib? = true ba/copy-to-EDX 1/imm32/true # continue e9/jump $emit-sib:loop/disp32 $emit-sib:check-for-index: # if (has-metadata?(word-slice, "index")) # . EAX = has-metadata?(ECX, "index") # . . push args 68/push "index"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) loop 3d/compare-EAX-and 0/imm32 0f 84/jump-if-equal $emit-sib:loop/disp32 $emit-sib:index: # index = parse-hex-int(next-token-from-slice(word-slice->start, word-slice->end, '/')) # . EAX = parse-datum-of-word(word-slice) # . . push args 51/push-ECX # . . call e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . index = EAX 89/copy 3/mod/direct 7/rm32/EDI . . . 0/r32/EAX . . # copy EAX to EDI # has-sib? = true ba/copy-to-EDX 1/imm32/true # continue e9/jump $emit-sib:loop/disp32 $emit-sib:break: # if (!has-sib?) return 81 7/subop/compare 3/mod/direct 2/rm32/EDX . . . . . 0/imm32 # compare EDX 74/jump-if-equal $emit-sib:end/disp8 $emit-sib:calculate: # sib/EBX = scale & 0b11 81 4/subop/and 3/mod/direct 3/rm32/EBX . . . . . 3/imm32/0b11 # bitwise and of EBX # sib <<= 2 c1/shift 4/subop/left 3/mod/direct 3/rm32/EBX . . . . . 2/imm8 # shift EBX left by 2 bits # sib |= index & 0b111 81 4/subop/and 3/mod/direct 7/rm32/EDI . . . . . 7/imm32/0b111 # bitwise and of EDI 09/or 3/mod/direct 3/rm32/EBX . . . 7/r32/EDI . . # EBX = bitwise OR with EDI # sib <<= 3 c1/shift 4/subop/left 3/mod/direct 3/rm32/EBX . . . . . 3/imm8 # shift EBX left by 3 bits # sib |= base & 0b111 81 4/subop/and 3/mod/direct 6/rm32/ESI . . . . . 7/imm32/0b111 # bitwise and of ESI 09/or 3/mod/direct 3/rm32/EBX . . . 6/r32/ESI . . # EBX = bitwise OR with ESI $emit-sib:emit: # emit-hex(out, sib, 1) # . . push args 68/push 1/imm32 53/push-EBX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call emit-hex/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP $emit-sib:end: # . restore locals 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . restore registers 5f/pop-to-EDI 5e/pop-to-ESI 5b/pop-to-EBX 5a/pop-to-EDX 59/pop-to-ECX 58/pop-to-EAX # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return emit-disp: # line : (address stream byte), out : (address buffered-file) -> # pseudocode: # rewind-stream(line) # var word-slice = {0, 0} # while true # word-slice = next-word(line) # if (slice-empty?(word-slice)) break # if (slice-starts-with?(word-slice, "#")) break # if has-metadata?(word-slice, "disp32") # emit(out, word-slice, 4) # break # if has-metadata?(word-slice, "disp16") # emit(out, word-slice, 2) # break # if has-metadata?(word-slice, "disp8") # emit(out, word-slice, 1) # break # # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # . save registers 50/push-EAX 51/push-ECX 52/push-EDX # var word-slice/ECX = {0, 0} 68/push 0/imm32/end 68/push 0/imm32/start 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX # rewind-stream(line) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call rewind-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump line {{{ #? # . write(2/stderr, "LL: ") #? # . . push args #? 68/push "LL: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, line) #? # . . push args #? ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} $emit-disp:loop: # next-word(line, word-slice) # . . push args 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call next-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # dump word-slice {{{ #? # . write(2/stderr, "AA: ") #? # . . push args #? 68/push "AA: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . clear-stream(Stderr+4) #? # . . push args #? b8/copy-to-EAX Stderr/imm32 #? 05/add-to-EAX 4/imm32 #? 50/push-EAX #? # . . call #? e8/call clear-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write-slice-buffered(Stderr, word-slice) #? # . . push args #? 51/push-ECX #? 68/push Stderr/imm32 #? # . . call #? e8/call write-slice-buffered/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . flush(Stderr) #? # . . push args #? 68/push Stderr/imm32 #? # . . call #? e8/call flush/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} $emit-disp:check0: # if (slice-empty?(word-slice)) break # . EAX = slice-empty?(word-slice) # . . push args 51/push-ECX # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . if (EAX != 0) pass through 3d/compare-EAX-and 0/imm32 0f 85/jump-if-not-equal $emit-disp:break/disp32 $emit-disp:check1: # if (slice-starts-with?(word-slice, "#")) break # . start/EDX = word-slice->start 8b/copy 0/mod/indirect 1/rm32/ECX . . . 2/r32/EDX . . # copy *ECX to EDX # . c/EAX = *start 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX 8a/copy-byte 0/mod/indirect 2/rm32/EDX . . . 0/r32/AL . . # copy byte at *EDX to AL # . if (EAX == '#') break 3d/compare-EAX-and 0x23/imm32/hash 0f 84/jump-if-equal $emit-disp:break/disp32 $emit-disp:check-for-disp32: # if (has-metadata?(word-slice, "disp32")) # . EAX = has-metadata?(ECX, "disp32") # . . push args 68/push "disp32"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) goto next check 3d/compare-EAX-and 0/imm32 74/jump-if-equal $emit-disp:check-for-disp16/disp8 $emit-disp:disp32: # emit(out, word-slice, 4) # . . push args 68/push 4/imm32 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call emit/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # break e9/jump $emit-disp:break/disp32 $emit-disp:check-for-disp16: # else if (has-metadata?(word-slice, "disp16")) # . EAX = has-metadata?(ECX, "disp16") # . . push args 68/push "disp16"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) goto next check 3d/compare-EAX-and 0/imm32 74/jump-if-equal $emit-disp:check-for-disp8/disp8 $emit-disp:disp16: # emit(out, word-slice, 2) # . . push args 68/push 2/imm32 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call emit/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # break e9/jump $emit-disp:break/disp32 $emit-disp:check-for-disp8: # if (has-metadata?(word-slice, "disp8")) # . EAX = has-metadata?(ECX, "disp8") # . . push args 68/push "disp8"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) loop 3d/compare-EAX-and 0/imm32 0f 84/jump-if-equal $emit-disp:loop/disp32 $emit-disp:disp8: # emit(out, word-slice, 1) # . . push args 68/push 1/imm32 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call emit/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # break $emit-disp:break: # . restore locals 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . restore registers 5a/pop-to-EDX 59/pop-to-ECX 58/pop-to-EAX # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return emit-imm: # line : (address stream byte), out : (address buffered-file) -> # pseudocode: # rewind-stream(line) # var word-slice = {0, 0} # while true # word-slice = next-word(line) # if (slice-empty?(word-slice)) break # if (slice-starts-with?(word-slice, "#")) break # if has-metadata?(word-slice, "imm32") # emit(out, word-slice, 4) # break # if has-metadata?(word-slice, "imm16") # emit(out, word-slice, 2) # break # if has-metadata?(word-slice, "imm8") # emit(out, word-slice, 1) # break # # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # . save registers 50/push-EAX 51/push-ECX 52/push-EDX # var word-slice/ECX = {0, 0} 68/push 0/imm32/end 68/push 0/imm32/start 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX # rewind-stream(line) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call rewind-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump line {{{ #? # . write(2/stderr, "LL: ") #? # . . push args #? 68/push "LL: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, line) #? # . . push args #? ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} $emit-imm:loop: # next-word(line, word-slice) # . . push args 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call next-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # dump word-slice {{{ #? # . write(2/stderr, "AA: ") #? # . . push args #? 68/push "AA: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . clear-stream(Stderr+4) #? # . . push args #? b8/copy-to-EAX Stderr/imm32 #? 05/add-to-EAX 4/imm32 #? 50/push-EAX #? # . . call #? e8/call clear-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write-slice-buffered(Stderr, word-slice) #? # . . push args #? 51/push-ECX #? 68/push Stderr/imm32 #? # . . call #? e8/call write-slice-buffered/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . flush(Stderr) #? # . . push args #? 68/push Stderr/imm32 #? # . . call #? e8/call flush/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} $emit-imm:check0: # if (slice-empty?(word-slice)) break # . EAX = slice-empty?(word-slice) # . . push args 51/push-ECX # . . call e8/call slice-empty?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . if (EAX != 0) pass through 3d/compare-EAX-and 0/imm32 0f 85/jump-if-not-equal $emit-imm:break/disp32 $emit-imm:check1: # if (slice-starts-with?(word-slice, "#")) break # . start/EDX = slice->start 8b/copy 0/mod/indirect 1/rm32/ECX . . . 2/r32/EDX . . # copy *ECX to EDX # . c/EAX = *start 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX 8a/copy-byte 0/mod/indirect 2/rm32/EDX . . . 0/r32/AL . . # copy byte at *EDX to AL # . if (EAX == '#') break 3d/compare-EAX-and 0x23/imm32/hash 0f 84/jump-if-equal $emit-imm:break/disp32 $emit-imm:check-for-imm32: # if (has-metadata?(word-slice, "imm32")) # . EAX = has-metadata?(ECX, "imm32") # . . push args 68/push "imm32"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) goto next check 3d/compare-EAX-and 0/imm32 74/jump-if-equal $emit-imm:check-for-imm16/disp8 $emit-imm:imm32: # emit(out, word-slice, 4) # . . push args 68/push 4/imm32 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call emit/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # break e9/jump $emit-imm:break/disp32 $emit-imm:check-for-imm16: # if (has-metadata?(word-slice, "imm16")) # . EAX = has-metadata?(ECX, "imm16") # . . push args 68/push "imm16"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) goto next check 3d/compare-EAX-and 0/imm32 74/jump-if-equal $emit-imm:check-for-imm8/disp8 $emit-imm:imm16: # emit(out, word-slice, 2) # . . push args 68/push 2/imm32 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call emit/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # break e9/jump $emit-imm:break/disp32 $emit-imm:check-for-imm8: # if (has-metadata?(word-slice, "imm8")) # . EAX = has-metadata?(ECX, "imm8") # . . push args 68/push "imm8"/imm32 51/push-ECX # . . call e8/call has-metadata?/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . if (EAX == 0) loop 3d/compare-EAX-and 0/imm32 0f 84/jump-if-equal $emit-imm:loop/disp32 $emit-imm:imm8: # emit(out, word-slice, 1) # . . push args 68/push 1/imm32 51/push-ECX ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call emit/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # break $emit-imm:break: # . restore locals 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . restore registers 5a/pop-to-EDX 59/pop-to-ECX 58/pop-to-EAX # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return emit-line-in-comment: # line : (address stream byte), out : (address buffered-file) -> # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # write-buffered(out, " # ") # . . push args 68/push " # "/imm32 ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-buffered/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # write-stream-data(out, line) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-stream-data/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP $emit-line-in-comment:end: # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-passes-comments-through: # if a line starts with '#', pass it along unchanged # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "# abcd") # . . push args 68/push "# abcd"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check that the line just passed through # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . check-stream-equal(_test-output-stream, "# abcd", msg) # . . push args 68/push "F - test-convert-instruction-passes-comments-through"/imm32 68/push "# abcd"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-passes-labels-through: # if the first word ends with ':', pass along the entire line unchanged # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "ab: # cd") # . . push args 68/push "ab: # cd"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check that the line just passed through # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . check-stream-equal(_test-output-stream, "ab: # cd", msg) # . . push args 68/push "F - test-convert-instruction-passes-labels-through"/imm32 68/push "ab: # cd"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-single-opcode: # if the instruction consists of a single opcode, strip its metadata and pass it along # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "ab/cd # comment") # . . push args 68/push "ab/cd # comment"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "ab # ab/cd # comment", msg) # . . push args 68/push "F - test-convert-instruction-handles-single-opcode"/imm32 68/push "ab # ab/cd # comment"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-0f-opcode: # if the instruction starts with 0f opcode, include a second opcode # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "0f/m1 ab/m2 # comment") # . . push args 68/push "0f/m1 ab/m2 # comment"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "0f ab # 0f/m1 ab/m2 # comment", msg) # . . push args 68/push "F - test-convert-instruction-handles-0f-opcode"/imm32 68/push "0f ab # 0f/m1 ab/m2 # comment"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-f2-opcode: # if the instruction starts with f2 opcode, include a second opcode # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "f2/m1 ab/m2 # comment") # . . push args 68/push "f2/m1 ab/m2 # comment"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "f2 ab # f2/m1 ab/m2 # comment", msg) # . . push args 68/push "F - test-convert-instruction-handles-f2-opcode"/imm32 68/push "f2 ab # f2/m1 ab/m2 # comment"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-f3-opcode: # if the instruction starts with f3 opcode, include a second opcode # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "f3/m1 ab/m2 # comment") # . . push args 68/push "f3/m1 ab/m2 # comment"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "f3 ab # f3/m1 ab/m2 # comment", msg) # . . push args 68/push "F - test-convert-instruction-handles-f3-opcode"/imm32 68/push "f3 ab # f3/m1 ab/m2 # comment"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-f2-0f-opcode: # if the instruction starts with f2 0f opcode, include a second opcode # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "f2/m1 0f/m2 ab/m3 # comment") # . . push args 68/push "f2/m1 0f/m2 ab/m3 # comment"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "f2 0f ab # f2/m1 0f/m2 ab/m3 # comment", msg) # . . push args 68/push "F - test-convert-instruction-handles-f2-0f-opcode"/imm32 68/push "f2 0f ab # f2/m1 0f/m2 ab/m3 # comment"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-f3-0f-opcode: # if the instruction starts with f3 0f opcode, include a second opcode # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "f3/m1 0f/m2 ab/m3 # comment") # . . push args 68/push "f3/m1 0f/m2 ab/m3 # comment"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "f3 0f ab # f3/m1 0f/m2 ab/m3 # comment", msg) # . . push args 68/push "F - test-convert-instruction-handles-f3-0f-opcode"/imm32 68/push "f3 0f ab # f3/m1 0f/m2 ab/m3 # comment"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-unused-opcodes: # if the instruction doesn't start with f2, f3 or 0f, don't include other opcodes # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "ab/m1 cd/m2 # comment") # . . push args 68/push "ab/m1 cd/m2 # comment"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "ab # f3/m1 0f/m2 ab/m3 # comment", msg) # . . push args 68/push "F - test-convert-instruction-handles-unused-opcodes"/imm32 68/push "ab # ab/m1 cd/m2 # comment"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-unused-second-opcodes: # if the second opcode isn't 0f, don't include further opcodes # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "f2/m1 ab/m2 cd/m3 # comment") # . . push args 68/push "f2/m1 ab/m2 cd/m3 # comment"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "f2 ab # f2/m1 ab/m2 cd/m3 # comment", msg) # . . push args 68/push "F - test-convert-instruction-handles-unused-second-opcodes"/imm32 68/push "f2 ab # f2/m1 ab/m2 cd/m3 # comment"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-unused-second-opcodes-2: # if the second opcode isn't 0f, don't include further opcodes # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "f3/m1 ab/m2 cd/m3 # comment") # . . push args 68/push "f3/m1 ab/m2 cd/m3 # comment"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "f3 ab # f3/m1 ab/m2 cd/m3 # comment", msg) # . . push args 68/push "F - test-convert-instruction-handles-unused-second-opcodes"/imm32 68/push "f3 ab # f3/m1 ab/m2 cd/m3 # comment"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-emits-modrm-byte: # pack mod, rm32 and r32 operands into ModR/M byte # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "8b/copy 0/mod 0/rm32 1/r32") # . . push args 68/push "8b/copy 0/mod 0/rm32 1/r32"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "8b 08 # 8b/copy 0/mod 0/rm32 1/r32", msg) # . . push args 68/push "F - test-convert-instruction-emits-modrm-byte"/imm32 68/push "8b 08 # 8b/copy 0/mod 0/rm32 1/r32"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-emits-modrm-byte-with-non-zero-mod: # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "01/add 3/mod/direct 3/rm32/EBX 1/r32/ECX") # . . push args 68/push "01/add 3/mod/direct 3/rm32/EBX 1/r32/ECX"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "out: ") #? # . . push args #? 68/push "out: "/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # check output # . check-stream-equal(_test-output-stream, "# abcd", msg) # . . push args 68/push "F - test-convert-instruction-foo"/imm32 68/push "01 cb # 01/add 3/mod/direct 3/rm32/EBX 1/r32/ECX"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-emits-modrm-byte-from-subop: # pack mod, rm32 and subop operands into ModR/M byte # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "ff 6/subop/push 0/mod 0/rm32") # . . push args 68/push "ff 6/subop/push 0/mod 0/rm32"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "ff 30 # ff 6/subop/push 0/mod 0/rm32", msg) # . . push args 68/push "F - test-convert-instruction-emits-modrm-byte-from-subop"/imm32 68/push "ff 30 # ff 6/subop/push 0/mod 0/rm32"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-emits-modrm-byte-with-missing-mod: # pack rm32 and r32 operands into ModR/M byte # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "8b/copy 0/rm32 1/r32") # . . push args 68/push "8b/copy 0/rm32 1/r32"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "8b 08 # 8b/copy 0/rm32 1/r32", msg) # . . push args 68/push "F - test-convert-instruction-emits-modrm-byte-with-missing-mod"/imm32 68/push "8b 08 # 8b/copy 0/rm32 1/r32"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-emits-modrm-byte-with-missing-rm32: # pack mod and r32 operands into ModR/M byte # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "8b/copy 0/mod 1/r32") # . . push args 68/push "8b/copy 0/mod 1/r32"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "8b 08 # 8b/copy 0/mod 1/r32", msg) # . . push args 68/push "F - test-convert-instruction-emits-modrm-byte-with-missing-rm32"/imm32 68/push "8b 08 # 8b/copy 0/mod 1/r32"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-emits-modrm-byte-with-missing-r32: # pack mod and rm32 operands into ModR/M byte # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "8b/copy 0/mod 0/rm32") # . . push args 68/push "8b/copy 0/mod 0/rm32"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "8b 00 # 8b/copy 0/mod 0/rm32", msg) # . . push args 68/push "F - test-convert-instruction-emits-modrm-byte-with-missing-r32"/imm32 68/push "8b 00 # 8b/copy 0/mod 0/rm32"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-emits-sib-byte: # pack base, index and scale operands into SIB byte # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "8b/copy 0/mod 4/rm32 1/r32 0/base 1/index 0/scale") # . . push args 68/push "8b/copy 0/mod 4/rm32 1/r32 0/base 1/index 0/scale"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "8b 08 # 8b/copy 0/mod 4/rm32 1/r32 0/base 1/index 0/scale", msg) # . . push args 68/push "F - test-convert-instruction-emits-sib-byte"/imm32 68/push "8b 0c 08 # 8b/copy 0/mod 4/rm32 1/r32 0/base 1/index 0/scale"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-emits-sib-byte-with-missing-base: # pack index and scale operands into SIB byte # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "8b/copy 0/mod 4/rm32 1/r32 1/index 0/scale") # . . push args 68/push "8b/copy 0/mod 4/rm32 1/r32 1/index 0/scale"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "8b 0c 08 # 8b/copy 0/mod 4/rm32 1/r32 1/index 0/scale", msg) # . . push args 68/push "F - test-convert-instruction-emits-sib-byte-with-missing-base"/imm32 68/push "8b 0c 08 # 8b/copy 0/mod 4/rm32 1/r32 1/index 0/scale"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-emits-sib-byte-with-missing-index: # pack base and scale operands into SIB byte # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "8b/copy 0/mod 4/rm32 1/r32 0/base 0/scale") # . . push args 68/push "8b/copy 0/mod 4/rm32 1/r32 0/base 0/scale"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "8b 0c 08 # 8b/copy 0/mod 4/rm32 1/r32 0/base 0/scale", msg) # . . push args 68/push "F - test-convert-instruction-emits-sib-byte-with-missing-index"/imm32 68/push "8b 0c 00 # 8b/copy 0/mod 4/rm32 1/r32 0/base 0/scale"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-emits-sib-byte-with-missing-scale: # pack base and index operands into SIB byte # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "8b/copy 0/mod 4/rm32 1/r32 0/base 1/index") # . . push args 68/push "8b/copy 0/mod 4/rm32 1/r32 0/base 1/index"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "8b 0c 08 # 8b/copy 0/mod 4/rm32 1/r32 0/base 1/index", msg) # . . push args 68/push "F - test-convert-instruction-emits-sib-byte-with-missing-scale"/imm32 68/push "8b 0c 08 # 8b/copy 0/mod 4/rm32 1/r32 0/base 1/index"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-disp32-operand: # expand /disp32 operand into 4 bytes # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "e8/call 20/disp32") # . . push args 68/push "e8/call 20/disp32"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "e8 20 00 00 00 # e8/call 20/disp32", msg) # . . push args 68/push "F - test-convert-instruction-handles-disp32-operand"/imm32 68/push "e8 20 00 00 00 # e8/call 20/disp32"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-disp16-operand: # expand /disp16 operand into 2 bytes # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "e8/call 20/disp16") # . . push args 68/push "e8/call 20/disp16"/imm32 # not a valid instruction 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "e8 20 00 # e8/call 20/disp16", msg) # . . push args 68/push "F - test-convert-instruction-handles-disp16-operand"/imm32 68/push "e8 20 00 # e8/call 20/disp16"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-disp8-operand: # expand /disp8 operand into 1 byte # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "eb/jump 20/disp8") # . . push args 68/push "eb/jump 20/disp8"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "eb 20 # eb/jump 20/disp8", msg) # . . push args 68/push "F - test-convert-instruction-handles-disp8-operand"/imm32 68/push "eb 20 # eb/jump 20/disp8"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-disp8-name: # pass /disp8 name directly through # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "eb/jump xyz/disp8") # . . push args 68/push "eb/jump xyz/disp8"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "eb xyz/disp8 # eb/jump xyz/disp8", msg) # . . push args 68/push "F - test-convert-instruction-handles-disp8-name"/imm32 68/push "eb xyz/disp8 # eb/jump xyz/disp8"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-imm32-operand: # expand /imm32 operand into 4 bytes # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "68/push 0x20/imm32") # . . push args 68/push "68/push 0x20/imm32"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "68 20 00 00 00 # 68/push 0x20/imm32", msg) # . . push args 68/push "F - test-convert-instruction-handles-imm32-operand"/imm32 68/push "68 20 00 00 00 # 68/push 0x20/imm32"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-imm16-operand: # expand /imm16 operand into 2 bytes # we don't have one of these at the moment, so this expands to an invalid instruction # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "68/push 0x20/imm16") # . . push args 68/push "68/push 0x20/imm16"/imm32 # not a valid instruction 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "68 20 00 # 68/push 0x20/imm16", msg) # . . push args 68/push "F - test-convert-instruction-handles-imm16-operand"/imm32 68/push "68 20 00 # 68/push 0x20/imm16"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return test-convert-instruction-handles-imm8-operand: # expand /imm8 operand into 1 byte # we don't have one of these at the moment, so this expands to an invalid instruction # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # setup # . clear-stream(_test-input-stream) # . . push args 68/push _test-input-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-stream) # . . push args 68/push _test-output-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . clear-stream(_test-output-buffered-file+4) # . . push args b8/copy-to-EAX _test-output-buffered-file/imm32 05/add-to-EAX 4/imm32 50/push-EAX # . . call e8/call clear-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # initialize input # . write(_test-input-stream, "68/push 0x20/imm8") # . . push args 68/push "68/push 0x20/imm8"/imm32 68/push _test-input-stream/imm32 # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # convert-instruction(_test-input-stream, _test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 68/push _test-input-stream/imm32 # . . call e8/call convert-instruction/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # check output # . flush(_test-output-buffered-file) # . . push args 68/push _test-output-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP #? # dump output {{{ #? # . write(2/stderr, "^") #? # . . push args #? 68/push "^"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write-stream(2/stderr, _test-output-stream) #? # . . push args #? 68/push _test-output-stream/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write-stream/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} # . check-stream-equal(_test-output-stream, "68 20 # 68/push 0x20/imm8", msg) # . . push args 68/push "F - test-convert-instruction-handles-imm8-operand"/imm32 68/push "68 20 # 68/push 0x20/imm8"/imm32 68/push _test-output-stream/imm32 # . . call e8/call check-stream-equal/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return # shortcut for parse-hex-int(next-token-from-slice(word->start, word->end, '/')) parse-datum-of-word: # word : (address slice) -> value/EAX # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # . save registers 51/push-ECX 56/push-ESI # ESI = word 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI # var slice/ECX = {0, 0} 68/push 0/imm32/end 68/push 0/imm32/start 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX # slice = next-token-from-slice(word->start, word->end, '/') # . . push args 51/push-ECX 68/push 0x2f/imm32/slash ff 6/subop/push 1/mod/*+disp8 6/rm32/ESI . . . . 4/disp8 . # push *(ESI+4) ff 6/subop/push 0/mod/indirect 6/rm32/ESI . . . . . . # push *ESI # . . call e8/call next-token-from-slice/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP # value/EAX = parse-hex-int(slice) # . . push args 51/push-ECX # . . call e8/call parse-hex-int/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP $parse-datum-of-word:end: # . reclaim locals 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # . restore registers 5e/pop-to-ESI 59/pop-to-ECX # . epilog 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP 5d/pop-to-EBP c3/return # . . vim:nowrap:textwidth=0