diff options
Diffstat (limited to 'tinyc/tccpe.c')
| -rwxr-xr-x | tinyc/tccpe.c | 1559 |
1 files changed, 0 insertions, 1559 deletions
diff --git a/tinyc/tccpe.c b/tinyc/tccpe.c deleted file mode 100755 index 1e3fdb369..000000000 --- a/tinyc/tccpe.c +++ /dev/null @@ -1,1559 +0,0 @@ -/* - * TCCPE.C - PE file output for the Tiny C Compiler - * - * Copyright (c) 2005-2007 grischka - * - * This library is free software; you can redistribute it and/or - * modify it under the terms of the GNU Lesser General Public - * License as published by the Free Software Foundation; either - * version 2 of the License, or (at your option) any later version. - * - * This library is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU - * Lesser General Public License for more details. - * - * You should have received a copy of the GNU Lesser General Public - * License along with this library; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA - */ - -#ifdef TCC_TARGET_PE - -#define ST_FN static -#define ST_DATA static -#define PUB_FN - -#ifndef _WIN32 -#define stricmp strcasecmp -#define strnicmp strncasecmp -#endif - -#ifndef MAX_PATH -#define MAX_PATH 260 -#endif - -#define PE_MERGE_DATA -// #define PE_PRINT_SECTIONS - -/* ----------------------------------------------------------- */ -#ifndef IMAGE_NT_SIGNATURE -/* ----------------------------------------------------------- */ -/* definitions below are from winnt.h */ - -typedef unsigned char BYTE; -typedef unsigned short WORD; -typedef unsigned long DWORD; -#pragma pack(push, 1) - -typedef struct _IMAGE_DOS_HEADER { /* DOS .EXE header */ - WORD e_magic; /* Magic number */ - WORD e_cblp; /* Bytes on last page of file */ - WORD e_cp; /* Pages in file */ - WORD e_crlc; /* Relocations */ - WORD e_cparhdr; /* Size of header in paragraphs */ - WORD e_minalloc; /* Minimum extra paragraphs needed */ - WORD e_maxalloc; /* Maximum extra paragraphs needed */ - WORD e_ss; /* Initial (relative) SS value */ - WORD e_sp; /* Initial SP value */ - WORD e_csum; /* Checksum */ - WORD e_ip; /* Initial IP value */ - WORD e_cs; /* Initial (relative) CS value */ - WORD e_lfarlc; /* File address of relocation table */ - WORD e_ovno; /* Overlay number */ - WORD e_res[4]; /* Reserved words */ - WORD e_oemid; /* OEM identifier (for e_oeminfo) */ - WORD e_oeminfo; /* OEM information; e_oemid specific */ - WORD e_res2[10]; /* Reserved words */ - DWORD e_lfanew; /* File address of new exe header */ -} IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER; - -#define IMAGE_NT_SIGNATURE 0x00004550 /* PE00 */ -#define SIZE_OF_NT_SIGNATURE 4 - -typedef struct _IMAGE_FILE_HEADER { - WORD Machine; - WORD NumberOfSections; - DWORD TimeDateStamp; - DWORD PointerToSymbolTable; - DWORD NumberOfSymbols; - WORD SizeOfOptionalHeader; - WORD Characteristics; -} IMAGE_FILE_HEADER, *PIMAGE_FILE_HEADER; - - -#define IMAGE_SIZEOF_FILE_HEADER 20 - -typedef struct _IMAGE_DATA_DIRECTORY { - DWORD VirtualAddress; - DWORD Size; -} IMAGE_DATA_DIRECTORY, *PIMAGE_DATA_DIRECTORY; - - -typedef struct _IMAGE_OPTIONAL_HEADER { - /* Standard fields. */ - WORD Magic; - BYTE MajorLinkerVersion; - BYTE MinorLinkerVersion; - DWORD SizeOfCode; - DWORD SizeOfInitializedData; - DWORD SizeOfUninitializedData; - DWORD AddressOfEntryPoint; - DWORD BaseOfCode; - DWORD BaseOfData; - - /* NT additional fields. */ - DWORD ImageBase; - DWORD SectionAlignment; - DWORD FileAlignment; - WORD MajorOperatingSystemVersion; - WORD MinorOperatingSystemVersion; - WORD MajorImageVersion; - WORD MinorImageVersion; - WORD MajorSubsystemVersion; - WORD MinorSubsystemVersion; - DWORD Win32VersionValue; - DWORD SizeOfImage; - DWORD SizeOfHeaders; - DWORD CheckSum; - WORD Subsystem; - WORD DllCharacteristics; - DWORD SizeOfStackReserve; - DWORD SizeOfStackCommit; - DWORD SizeOfHeapReserve; - DWORD SizeOfHeapCommit; - DWORD LoaderFlags; - DWORD NumberOfRvaAndSizes; - IMAGE_DATA_DIRECTORY DataDirectory[16]; - -} IMAGE_OPTIONAL_HEADER, *PIMAGE_OPTIONAL_HEADER; - - -#define IMAGE_DIRECTORY_ENTRY_EXPORT 0 /* Export Directory */ -#define IMAGE_DIRECTORY_ENTRY_IMPORT 1 /* Import Directory */ -#define IMAGE_DIRECTORY_ENTRY_RESOURCE 2 /* Resource Directory */ -#define IMAGE_DIRECTORY_ENTRY_EXCEPTION 3 /* Exception Directory */ -#define IMAGE_DIRECTORY_ENTRY_SECURITY 4 /* Security Directory */ -#define IMAGE_DIRECTORY_ENTRY_BASERELOC 5 /* Base Relocation Table */ -#define IMAGE_DIRECTORY_ENTRY_DEBUG 6 /* Debug Directory */ -/* IMAGE_DIRECTORY_ENTRY_COPYRIGHT 7 (X86 usage) */ -#define IMAGE_DIRECTORY_ENTRY_ARCHITECTURE 7 /* Architecture Specific Data */ -#define IMAGE_DIRECTORY_ENTRY_GLOBALPTR 8 /* RVA of GP */ -#define IMAGE_DIRECTORY_ENTRY_TLS 9 /* TLS Directory */ -#define IMAGE_DIRECTORY_ENTRY_LOAD_CONFIG 10 /* Load Configuration Directory */ -#define IMAGE_DIRECTORY_ENTRY_BOUND_IMPORT 11 /* Bound Import Directory in headers */ -#define IMAGE_DIRECTORY_ENTRY_IAT 12 /* Import Address Table */ -#define IMAGE_DIRECTORY_ENTRY_DELAY_IMPORT 13 /* Delay Load Import Descriptors */ -#define IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR 14 /* COM Runtime descriptor */ - -/* Section header format. */ -#define IMAGE_SIZEOF_SHORT_NAME 8 - -typedef struct _IMAGE_SECTION_HEADER { - BYTE Name[IMAGE_SIZEOF_SHORT_NAME]; - union { - DWORD PhysicalAddress; - DWORD VirtualSize; - } Misc; - DWORD VirtualAddress; - DWORD SizeOfRawData; - DWORD PointerToRawData; - DWORD PointerToRelocations; - DWORD PointerToLinenumbers; - WORD NumberOfRelocations; - WORD NumberOfLinenumbers; - DWORD Characteristics; -} IMAGE_SECTION_HEADER, *PIMAGE_SECTION_HEADER; - -#define IMAGE_SIZEOF_SECTION_HEADER 40 - -typedef struct _IMAGE_BASE_RELOCATION { - DWORD VirtualAddress; - DWORD SizeOfBlock; -// WORD TypeOffset[1]; -} IMAGE_BASE_RELOCATION; - -#define IMAGE_SIZEOF_BASE_RELOCATION 8 - -#define IMAGE_REL_BASED_ABSOLUTE 0 -#define IMAGE_REL_BASED_HIGH 1 -#define IMAGE_REL_BASED_LOW 2 -#define IMAGE_REL_BASED_HIGHLOW 3 -#define IMAGE_REL_BASED_HIGHADJ 4 -#define IMAGE_REL_BASED_MIPS_JMPADDR 5 -#define IMAGE_REL_BASED_SECTION 6 -#define IMAGE_REL_BASED_REL32 7 - -#pragma pack(pop) - -/* ----------------------------------------------------------- */ -#endif /* ndef IMAGE_NT_SIGNATURE */ -/* ----------------------------------------------------------- */ - -#pragma pack(push, 1) - -struct pe_header -{ - IMAGE_DOS_HEADER doshdr; - BYTE dosstub[0x40]; - DWORD nt_sig; - IMAGE_FILE_HEADER filehdr; - IMAGE_OPTIONAL_HEADER opthdr; -}; - -struct pe_import_header { - DWORD first_entry; - DWORD time_date; - DWORD forwarder; - DWORD lib_name_offset; - DWORD first_thunk; -}; - -struct pe_export_header { - DWORD Characteristics; - DWORD TimeDateStamp; - DWORD Version; - DWORD Name; - DWORD Base; - DWORD NumberOfFunctions; - DWORD NumberOfNames; - DWORD AddressOfFunctions; - DWORD AddressOfNames; - DWORD AddressOfNameOrdinals; -}; - -struct pe_reloc_header { - DWORD offset; - DWORD size; -}; - -struct pe_rsrc_header { - struct _IMAGE_FILE_HEADER filehdr; - struct _IMAGE_SECTION_HEADER sectionhdr; -}; - -struct pe_rsrc_reloc { - DWORD offset; - DWORD size; - WORD type; -}; - -#pragma pack(pop) - -/* ----------------------------------------------------------- */ -ST_DATA struct pe_header pe_header = { -{ - /* IMAGE_DOS_HEADER doshdr */ - 0x5A4D, /*WORD e_magic; Magic number */ - 0x0090, /*WORD e_cblp; Bytes on last page of file */ - 0x0003, /*WORD e_cp; Pages in file */ - 0x0000, /*WORD e_crlc; Relocations */ - - 0x0004, /*WORD e_cparhdr; Size of header in paragraphs */ - 0x0000, /*WORD e_minalloc; Minimum extra paragraphs needed */ - 0xFFFF, /*WORD e_maxalloc; Maximum extra paragraphs needed */ - 0x0000, /*WORD e_ss; Initial (relative) SS value */ - - 0x00B8, /*WORD e_sp; Initial SP value */ - 0x0000, /*WORD e_csum; Checksum */ - 0x0000, /*WORD e_ip; Initial IP value */ - 0x0000, /*WORD e_cs; Initial (relative) CS value */ - 0x0040, /*WORD e_lfarlc; File address of relocation table */ - 0x0000, /*WORD e_ovno; Overlay number */ - {0,0,0,0}, /*WORD e_res[4]; Reserved words */ - 0x0000, /*WORD e_oemid; OEM identifier (for e_oeminfo) */ - 0x0000, /*WORD e_oeminfo; OEM information; e_oemid specific */ - {0,0,0,0,0,0,0,0,0,0}, /*WORD e_res2[10]; Reserved words */ - 0x00000080 /*DWORD e_lfanew; File address of new exe header */ -},{ - /* BYTE dosstub[0x40] */ - /* 14 code bytes + "This program cannot be run in DOS mode.\r\r\n$" + 6 * 0x00 */ - 0x0e,0x1f,0xba,0x0e,0x00,0xb4,0x09,0xcd,0x21,0xb8,0x01,0x4c,0xcd,0x21,0x54,0x68, - 0x69,0x73,0x20,0x70,0x72,0x6f,0x67,0x72,0x61,0x6d,0x20,0x63,0x61,0x6e,0x6e,0x6f, - 0x74,0x20,0x62,0x65,0x20,0x72,0x75,0x6e,0x20,0x69,0x6e,0x20,0x44,0x4f,0x53,0x20, - 0x6d,0x6f,0x64,0x65,0x2e,0x0d,0x0d,0x0a,0x24,0x00,0x00,0x00,0x00,0x00,0x00,0x00, -}, - 0x00004550, /* DWORD nt_sig = IMAGE_NT_SIGNATURE */ -{ - /* IMAGE_FILE_HEADER filehdr */ - 0x014C, /*WORD Machine; */ - 0x0003, /*WORD NumberOfSections; */ - 0x00000000, /*DWORD TimeDateStamp; */ - 0x00000000, /*DWORD PointerToSymbolTable; */ - 0x00000000, /*DWORD NumberOfSymbols; */ - 0x00E0, /*WORD SizeOfOptionalHeader; */ - 0x030F /*WORD Characteristics; */ -},{ - /* IMAGE_OPTIONAL_HEADER opthdr */ - /* Standard fields. */ - 0x010B, /*WORD Magic; */ - 0x06, /*BYTE MajorLinkerVersion; */ - 0x00, /*BYTE MinorLinkerVersion; */ - 0x00000000, /*DWORD SizeOfCode; */ - 0x00000000, /*DWORD SizeOfInitializedData; */ - 0x00000000, /*DWORD SizeOfUninitializedData; */ - 0x00000000, /*DWORD AddressOfEntryPoint; */ - 0x00000000, /*DWORD BaseOfCode; */ - 0x00000000, /*DWORD BaseOfData; */ - - /* NT additional fields. */ - 0x00400000, /*DWORD ImageBase; */ - 0x00001000, /*DWORD SectionAlignment; */ - 0x00000200, /*DWORD FileAlignment; */ - 0x0004, /*WORD MajorOperatingSystemVersion; */ - 0x0000, /*WORD MinorOperatingSystemVersion; */ - 0x0000, /*WORD MajorImageVersion; */ - 0x0000, /*WORD MinorImageVersion; */ - 0x0004, /*WORD MajorSubsystemVersion; */ - 0x0000, /*WORD MinorSubsystemVersion; */ - 0x00000000, /*DWORD Win32VersionValue; */ - 0x00000000, /*DWORD SizeOfImage; */ - 0x00000200, /*DWORD SizeOfHeaders; */ - 0x00000000, /*DWORD CheckSum; */ - 0x0002, /*WORD Subsystem; */ - 0x0000, /*WORD DllCharacteristics; */ - 0x00100000, /*DWORD SizeOfStackReserve; */ - 0x00001000, /*DWORD SizeOfStackCommit; */ - 0x00100000, /*DWORD SizeOfHeapReserve; */ - 0x00001000, /*DWORD SizeOfHeapCommit; */ - 0x00000000, /*DWORD LoaderFlags; */ - 0x00000010, /*DWORD NumberOfRvaAndSizes; */ - - /* IMAGE_DATA_DIRECTORY DataDirectory[16]; */ - {{0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, - {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}, {0,0}} -}}; - -/* ------------------------------------------------------------- */ -/* internal temporary structures */ - -/* -#define IMAGE_SCN_CNT_CODE 0x00000020 -#define IMAGE_SCN_CNT_INITIALIZED_DATA 0x00000040 -#define IMAGE_SCN_CNT_UNINITIALIZED_DATA 0x00000080 -#define IMAGE_SCN_MEM_DISCARDABLE 0x02000000 -#define IMAGE_SCN_MEM_SHARED 0x10000000 -#define IMAGE_SCN_MEM_EXECUTE 0x20000000 -#define IMAGE_SCN_MEM_READ 0x40000000 -#define IMAGE_SCN_MEM_WRITE 0x80000000 -*/ - -enum { - sec_text = 0, - sec_data , - sec_bss , - sec_idata , - sec_other , - sec_rsrc , - sec_stab , - sec_reloc , - sec_last -}; - -ST_DATA DWORD pe_sec_flags[] = { - 0x60000020, /* ".text" , */ - 0xC0000040, /* ".data" , */ - 0xC0000080, /* ".bss" , */ - 0x40000040, /* ".idata" , */ - 0xE0000060, /* < other > , */ - 0x40000040, /* ".rsrc" , */ - 0x42000802, /* ".stab" , */ - 0x42000040, /* ".reloc" , */ -}; - -struct section_info { - int cls, ord; - char name[32]; - DWORD sh_addr; - DWORD sh_size; - DWORD sh_flags; - unsigned char *data; - DWORD data_size; - IMAGE_SECTION_HEADER ish; -}; - -struct import_symbol { - int sym_index; - int iat_index; - int thk_offset; -}; - -struct pe_import_info { - int dll_index; - int sym_count; - struct import_symbol **symbols; -}; - -struct pe_info { - TCCState *s1; - Section *reloc; - Section *thunk; - const char *filename; - int type; - DWORD sizeofheaders; - DWORD imagebase; - DWORD start_addr; - DWORD imp_offs; - DWORD imp_size; - DWORD iat_offs; - DWORD iat_size; - DWORD exp_offs; - DWORD exp_size; - struct section_info *sec_info; - int sec_count; - struct pe_import_info **imp_info; - int imp_count; -}; - -/* ------------------------------------------------------------- */ - -#define PE_NUL 0 -#define PE_DLL 1 -#define PE_GUI 2 -#define PE_EXE 3 - -void error_noabort(const char *, ...); - -#ifdef _WIN32 -void dbg_printf (const char *fmt, ...) -{ - char buffer[4000]; - va_list arg; - int x; - va_start(arg, fmt); - x = vsprintf (buffer, fmt, arg); - strcpy(buffer+x, "\n"); - OutputDebugString(buffer); -} -#endif - -/* --------------------------------------------*/ - -ST_FN const char* get_alt_symbol(char *buffer, const char *symbol) -{ - const char *p; - p = strrchr(symbol, '@'); - if (p && isnum(p[1]) && symbol[0] == '_') { /* stdcall decor */ - strcpy(buffer, symbol+1)[p-symbol-1] = 0; - } else if (symbol[0] != '_') { /* try non-ansi function */ - buffer[0] = '_', strcpy(buffer + 1, symbol); - } else if (0 == memcmp(symbol, "__imp__", 7)) { /* mingw 2.0 */ - strcpy(buffer, symbol + 6); - } else if (0 == memcmp(symbol, "_imp___", 7)) { /* mingw 3.7 */ - strcpy(buffer, symbol + 6); - } else { - return symbol; - } - return buffer; -} - -ST_FN int pe_find_import(TCCState * s1, const char *symbol) -{ - char buffer[200]; - const char *s; - int sym_index, n = 0; - do { - s = n ? get_alt_symbol(buffer, symbol) : symbol; - sym_index = find_elf_sym(s1->dynsymtab_section, s); - // printf("find %d %s\n", sym_index, s); - } while (0 == sym_index && ++n < 2); - return sym_index; -} - -#if defined _WIN32 || defined __CYGWIN__ - -#ifdef __CYGWIN__ -# include <dlfcn.h> -# define LoadLibrary(s) dlopen(s, RTLD_NOW) -# define GetProcAddress(h,s) dlsym(h, s) -#else -# define dlclose(h) FreeLibrary(h) -#endif - -/* for the -run option: dynamically load symbol from dll */ -void *resolve_sym(struct TCCState *s1, const char *symbol, int type) -{ - char buffer[100]; - int sym_index, dll_index; - void *addr, **m; - DLLReference *dllref; - - sym_index = pe_find_import(s1, symbol); - if (0 == sym_index) - return NULL; - dll_index = ((Elf32_Sym *)s1->dynsymtab_section->data + sym_index)->st_value; - dllref = s1->loaded_dlls[dll_index-1]; - if ( !dllref->handle ) - { - dllref->handle = LoadLibrary(dllref->name); - } - addr = GetProcAddress(dllref->handle, symbol); - if (NULL == addr) - addr = GetProcAddress(dllref->handle, get_alt_symbol(buffer, symbol)); - - if (addr && STT_OBJECT == type) { - /* need to return a pointer to the address for data objects */ - m = (void**)tcc_malloc(sizeof addr), *m = addr, addr = m; -#ifdef MEM_DEBUG - /* yep, we don't free it */ - mem_cur_size -= sizeof (void*); -#endif - } - return addr; -} -#endif - -/*----------------------------------------------------------------------------*/ - -ST_FN int dynarray_assoc(void **pp, int n, int key) -{ - int i; - for (i = 0; i < n; ++i, ++pp) - if (key == **(int **) pp) - return i; - return -1; -} - -#if 0 -ST_FN DWORD umin(DWORD a, DWORD b) -{ - return a < b ? a : b; -} -#endif - -ST_FN DWORD umax(DWORD a, DWORD b) -{ - return a < b ? b : a; -} - -ST_FN void pe_fpad(FILE *fp, DWORD new_pos) -{ - DWORD pos = ftell(fp); - while (++pos <= new_pos) - fputc(0, fp); -} - -ST_FN DWORD pe_file_align(DWORD n) -{ - return (n + (0x200 - 1)) & ~(0x200 - 1); -} - -ST_FN DWORD pe_virtual_align(DWORD n) -{ - return (n + (0x1000 - 1)) & ~(0x1000 - 1); -} - -ST_FN void pe_align_section(Section *s, int a) -{ - int i = s->data_offset & (a-1); - if (i) - section_ptr_add(s, a - i); -} - -ST_FN void pe_set_datadir(int dir, DWORD addr, DWORD size) -{ - pe_header.opthdr.DataDirectory[dir].VirtualAddress = addr; - pe_header.opthdr.DataDirectory[dir].Size = size; -} - -/*----------------------------------------------------------------------------*/ -ST_FN int pe_write(struct pe_info *pe) -{ - int i; - FILE *op; - DWORD file_offset, r; - - op = fopen(pe->filename, "wb"); - if (NULL == op) { - error_noabort("could not write '%s': %s", pe->filename, strerror(errno)); - return 1; - } - - pe->sizeofheaders = pe_file_align( - sizeof pe_header - + pe->sec_count * sizeof (IMAGE_SECTION_HEADER) - ); - - file_offset = pe->sizeofheaders; - pe_fpad(op, file_offset); - - if (2 == pe->s1->verbose) - printf("-------------------------------" - "\n virt file size section" "\n"); - - for (i = 0; i < pe->sec_count; ++i) { - struct section_info *si = pe->sec_info + i; - const char *sh_name = si->name; - unsigned long addr = si->sh_addr - pe->imagebase; - unsigned long size = si->sh_size; - IMAGE_SECTION_HEADER *psh = &si->ish; - - if (2 == pe->s1->verbose) - printf("%6lx %6lx %6lx %s\n", - addr, file_offset, size, sh_name); - - switch (si->cls) { - case sec_text: - pe_header.opthdr.BaseOfCode = addr; - pe_header.opthdr.AddressOfEntryPoint = addr + pe->start_addr; - break; - - case sec_data: - pe_header.opthdr.BaseOfData = addr; - break; - - case sec_bss: - break; - - case sec_reloc: - pe_set_datadir(IMAGE_DIRECTORY_ENTRY_BASERELOC, addr, size); - break; - - case sec_rsrc: - pe_set_datadir(IMAGE_DIRECTORY_ENTRY_RESOURCE, addr, size); - break; - - case sec_stab: - break; - } - - if (pe->thunk == pe->s1->sections[si->ord]) { - if (pe->imp_size) { - pe_set_datadir(IMAGE_DIRECTORY_ENTRY_IMPORT, - pe->imp_offs + addr, pe->imp_size); - pe_set_datadir(IMAGE_DIRECTORY_ENTRY_IAT, - pe->iat_offs + addr, pe->iat_size); - } - if (pe->exp_size) { - pe_set_datadir(IMAGE_DIRECTORY_ENTRY_EXPORT, - pe->exp_offs + addr, pe->exp_size); - } - } - - strcpy((char*)psh->Name, sh_name); - - psh->Characteristics = pe_sec_flags[si->cls]; - psh->VirtualAddress = addr; - psh->Misc.VirtualSize = size; - pe_header.opthdr.SizeOfImage = - umax(pe_virtual_align(size + addr), pe_header.opthdr.SizeOfImage); - - if (si->data_size) { - psh->PointerToRawData = r = file_offset; - fwrite(si->data, 1, si->data_size, op); - file_offset = pe_file_align(file_offset + si->data_size); - psh->SizeOfRawData = file_offset - r; - pe_fpad(op, file_offset); - } - } - - // pe_header.filehdr.TimeDateStamp = time(NULL); - pe_header.filehdr.NumberOfSections = pe->sec_count; - pe_header.opthdr.SizeOfHeaders = pe->sizeofheaders; - pe_header.opthdr.ImageBase = pe->imagebase; - if (PE_DLL == pe->type) - pe_header.filehdr.Characteristics = 0x230E; - else if (PE_GUI != pe->type) - pe_header.opthdr.Subsystem = 3; - - fseek(op, SEEK_SET, 0); - fwrite(&pe_header, 1, sizeof pe_header, op); - for (i = 0; i < pe->sec_count; ++i) - fwrite(&pe->sec_info[i].ish, 1, sizeof(IMAGE_SECTION_HEADER), op); - fclose (op); - - if (2 == pe->s1->verbose) - printf("-------------------------------\n"); - if (pe->s1->verbose) - printf("<- %s (%lu bytes)\n", pe->filename, file_offset); - - return 0; -} - -/*----------------------------------------------------------------------------*/ - -ST_FN struct import_symbol *pe_add_import(struct pe_info *pe, int sym_index) -{ - int i; - int dll_index; - struct pe_import_info *p; - struct import_symbol *s; - - dll_index = ((Elf32_Sym *)pe->s1->dynsymtab_section->data + sym_index)->st_value; - if (0 == dll_index) - return NULL; - - i = dynarray_assoc ((void**)pe->imp_info, pe->imp_count, dll_index); - if (-1 != i) { - p = pe->imp_info[i]; - goto found_dll; - } - p = tcc_mallocz(sizeof *p); - p->dll_index = dll_index; - dynarray_add((void***)&pe->imp_info, &pe->imp_count, p); - -found_dll: - i = dynarray_assoc ((void**)p->symbols, p->sym_count, sym_index); - if (-1 != i) - return p->symbols[i]; - - s = tcc_mallocz(sizeof *s); - dynarray_add((void***)&p->symbols, &p->sym_count, s); - s->sym_index = sym_index; - return s; -} - -/*----------------------------------------------------------------------------*/ -ST_FN void pe_build_imports(struct pe_info *pe) -{ - int thk_ptr, ent_ptr, dll_ptr, sym_cnt, i; - DWORD rva_base = pe->thunk->sh_addr - pe->imagebase; - int ndlls = pe->imp_count; - - for (sym_cnt = i = 0; i < ndlls; ++i) - sym_cnt += pe->imp_info[i]->sym_count; - - if (0 == sym_cnt) - return; - - pe_align_section(pe->thunk, 16); - - pe->imp_offs = dll_ptr = pe->thunk->data_offset; - pe->imp_size = (ndlls + 1) * sizeof(struct pe_import_header); - pe->iat_offs = dll_ptr + pe->imp_size; - pe->iat_size = (sym_cnt + ndlls) * sizeof(DWORD); - section_ptr_add(pe->thunk, pe->imp_size + 2*pe->iat_size); - - thk_ptr = pe->iat_offs; - ent_ptr = pe->iat_offs + pe->iat_size; - - for (i = 0; i < pe->imp_count; ++i) { - struct pe_import_header *hdr; - int k, n, v; - struct pe_import_info *p = pe->imp_info[i]; - const char *name = pe->s1->loaded_dlls[p->dll_index-1]->name; - - /* put the dll name into the import header */ - v = put_elf_str(pe->thunk, name); - - hdr = (struct pe_import_header*)(pe->thunk->data + dll_ptr); - hdr->first_thunk = thk_ptr + rva_base; - hdr->first_entry = ent_ptr + rva_base; - hdr->lib_name_offset = v + rva_base; - - for (k = 0, n = p->sym_count; k <= n; ++k) { - if (k < n) { - DWORD iat_index = p->symbols[k]->iat_index; - int sym_index = p->symbols[k]->sym_index; - Elf32_Sym *imp_sym = (Elf32_Sym *)pe->s1->dynsymtab_section->data + sym_index; - Elf32_Sym *org_sym = (Elf32_Sym *)symtab_section->data + iat_index; - const char *name = pe->s1->dynsymtab_section->link->data + imp_sym->st_name; - - org_sym->st_value = thk_ptr; - org_sym->st_shndx = pe->thunk->sh_num; - v = pe->thunk->data_offset + rva_base; - section_ptr_add(pe->thunk, sizeof(WORD)); /* hint, not used */ - put_elf_str(pe->thunk, name); - - } else { - v = 0; /* last entry is zero */ - } - *(DWORD*)(pe->thunk->data+thk_ptr) = - *(DWORD*)(pe->thunk->data+ent_ptr) = v; - thk_ptr += sizeof (DWORD); - ent_ptr += sizeof (DWORD); - } - dll_ptr += sizeof(struct pe_import_header); - dynarray_reset(&p->symbols, &p->sym_count); - } - dynarray_reset(&pe->imp_info, &pe->imp_count); -} - -/* ------------------------------------------------------------- */ -/* - For now only functions are exported. Export of data - would work, but import requires compiler support to - do an additional indirection. - - For instance: - __declspec(dllimport) extern int something; - - needs to be translated to: - - *(int*)something -*/ - -ST_FN int sym_cmp(const void *va, const void *vb) -{ - const char *ca = ((const char **)va)[1]; - const char *cb = ((const char **)vb)[1]; - return strcmp(ca, cb); -} - -ST_FN void pe_build_exports(struct pe_info *pe) -{ - Elf32_Sym *sym; - int sym_index, sym_end; - DWORD rva_base, func_o, name_o, ord_o, str_o; - struct pe_export_header *hdr; - int sym_count, n, ord, *sorted, *sp; - - FILE *op; - char buf[MAX_PATH]; - const char *dllname; - const char *name; - - rva_base = pe->thunk->sh_addr - pe->imagebase; - sym_count = 0, n = 1, sorted = NULL, op = NULL; - - sym_end = symtab_section->data_offset / sizeof(Elf32_Sym); - for (sym_index = 1; sym_index < sym_end; ++sym_index) { - sym = (Elf32_Sym*)symtab_section->data + sym_index; - name = symtab_section->link->data + sym->st_name; - if ((sym->st_other & 1) - /* export only symbols from actually written sections */ - && pe->s1->sections[sym->st_shndx]->sh_addr) { - dynarray_add((void***)&sorted, &sym_count, (void*)n); - dynarray_add((void***)&sorted, &sym_count, (void*)name); - } - ++n; -#if 0 - if (sym->st_other & 1) - printf("export: %s\n", name); - if (sym->st_other & 2) - printf("stdcall: %s\n", name); -#endif - } - - if (0 == sym_count) - return; - sym_count /= 2; - - qsort (sorted, sym_count, 2 * sizeof sorted[0], sym_cmp); - pe_align_section(pe->thunk, 16); - dllname = tcc_basename(pe->filename); - - pe->exp_offs = pe->thunk->data_offset; - func_o = pe->exp_offs + sizeof(struct pe_export_header); - name_o = func_o + sym_count * sizeof (DWORD); - ord_o = name_o + sym_count * sizeof (DWORD); - str_o = ord_o + sym_count * sizeof(WORD); - - hdr = section_ptr_add(pe->thunk, str_o - pe->exp_offs); - hdr->Characteristics = 0; - hdr->Base = 1; - hdr->NumberOfFunctions = sym_count; - hdr->NumberOfNames = sym_count; - hdr->AddressOfFunctions = func_o + rva_base; - hdr->AddressOfNames = name_o + rva_base; - hdr->AddressOfNameOrdinals = ord_o + rva_base; - hdr->Name = str_o + rva_base; - put_elf_str(pe->thunk, dllname); - -#if 1 - /* automatically write exports to <output-filename>.def */ - strcpy(buf, pe->filename); - strcpy(tcc_fileextension(buf), ".def"); - op = fopen(buf, "w"); - if (NULL == op) { - error_noabort("could not create '%s': %s", buf, strerror(errno)); - } else { - fprintf(op, "LIBRARY %s\n\nEXPORTS\n", dllname); - if (pe->s1->verbose) - printf("<- %s (%d symbols)\n", buf, sym_count); - } -#endif - - for (sp = sorted, ord = 0; ord < sym_count; ++ord, sp += 2) - { - sym_index = sp[0], name = (const char *)sp[1]; - /* insert actual address later in pe_relocate_rva */ - put_elf_reloc(symtab_section, pe->thunk, - func_o, R_386_RELATIVE, sym_index); - *(DWORD*)(pe->thunk->data + name_o) - = pe->thunk->data_offset + rva_base; - *(WORD*)(pe->thunk->data + ord_o) - = ord; - put_elf_str(pe->thunk, name); - func_o += sizeof (DWORD); - name_o += sizeof (DWORD); - ord_o += sizeof (WORD); - - if (op) - fprintf(op, "%s\n", name); - } - pe->exp_size = pe->thunk->data_offset - pe->exp_offs; - tcc_free(sorted); -} - -/* ------------------------------------------------------------- */ -ST_FN void pe_build_reloc (struct pe_info *pe) -{ - DWORD offset, block_ptr, addr; - int count, i; - Elf32_Rel *rel, *rel_end; - Section *s = NULL, *sr; - - offset = addr = block_ptr = count = i = 0; - rel = rel_end = NULL; - - for(;;) { - if (rel < rel_end) { - int type = ELF32_R_TYPE(rel->r_info); - addr = rel->r_offset + s->sh_addr; - ++ rel; - if (type != R_386_32) - continue; - if (count == 0) { /* new block */ - block_ptr = pe->reloc->data_offset; - section_ptr_add(pe->reloc, sizeof(struct pe_reloc_header)); - offset = addr & 0xFFFFFFFF<<12; - } - if ((addr -= offset) < (1<<12)) { /* one block spans 4k addresses */ - WORD *wp = section_ptr_add(pe->reloc, sizeof (WORD)); - *wp = addr | IMAGE_REL_BASED_HIGHLOW<<12; - ++count; - continue; - } - -- rel; - - } else if (i < pe->sec_count) { - sr = (s = pe->s1->sections[pe->sec_info[i++].ord])->reloc; - if (sr) { - rel = (Elf32_Rel *)sr->data; - rel_end = (Elf32_Rel *)(sr->data + sr->data_offset); - } - continue; - } - - if (count) { - /* store the last block and ready for a new one */ - struct pe_reloc_header *hdr; - if (count & 1) /* align for DWORDS */ - section_ptr_add(pe->reloc, sizeof(WORD)), ++count; - hdr = (struct pe_reloc_header *)(pe->reloc->data + block_ptr); - hdr -> offset = offset - pe->imagebase; - hdr -> size = count * sizeof(WORD) + sizeof(struct pe_reloc_header); - count = 0; - } - - if (rel >= rel_end) - break; - } -} - -/* ------------------------------------------------------------- */ -ST_FN int pe_section_class(Section *s) -{ - int type, flags; - const char *name; - - type = s->sh_type; - flags = s->sh_flags; - name = s->name; - if (flags & SHF_ALLOC) { - if (type == SHT_PROGBITS) { - if (flags & SHF_EXECINSTR) - return sec_text; - if (flags & SHF_WRITE) - return sec_data; - if (0 == strcmp(name, ".rsrc")) - return sec_rsrc; - if (0 == strcmp(name, ".iedat")) - return sec_idata; - return sec_other; - } else if (type == SHT_NOBITS) { - if (flags & SHF_WRITE) - return sec_bss; - } - } else { - if (0 == strcmp(name, ".reloc")) - return sec_reloc; - if (0 == strncmp(name, ".stab", 5)) /* .stab and .stabstr */ - return sec_stab; - } - return -1; -} - -ST_FN int pe_assign_addresses (struct pe_info *pe) -{ - int i, k, o, c; - DWORD addr; - int *section_order; - struct section_info *si; - Section *s; - - // pe->thunk = new_section(pe->s1, ".iedat", SHT_PROGBITS, SHF_ALLOC); - - section_order = tcc_malloc(pe->s1->nb_sections * sizeof (int)); - for (o = k = 0 ; k < sec_last; ++k) { - for (i = 1; i < pe->s1->nb_sections; ++i) { - s = pe->s1->sections[i]; - if (k == pe_section_class(s)) { - // printf("%s %d\n", s->name, k); - s->sh_addr = pe->imagebase; - section_order[o++] = i; - } - } - } - - pe->sec_info = tcc_mallocz(o * sizeof (struct section_info)); - addr = pe->imagebase + 1; - - for (i = 0; i < o; ++i) - { - k = section_order[i]; - s = pe->s1->sections[k]; - c = pe_section_class(s); - si = &pe->sec_info[pe->sec_count]; - -#ifdef PE_MERGE_DATA - if (c == sec_bss && pe->sec_count && si[-1].cls == sec_data) { - /* append .bss to .data */ - s->sh_addr = addr = ((addr-1) | 15) + 1; - addr += s->data_offset; - si[-1].sh_size = addr - si[-1].sh_addr; - continue; - } -#endif - strcpy(si->name, s->name); - si->cls = c; - si->ord = k; - si->sh_addr = s->sh_addr = addr = pe_virtual_align(addr); - si->sh_flags = s->sh_flags; - - if (c == sec_data && NULL == pe->thunk) - pe->thunk = s; - - if (s == pe->thunk) { - pe_build_imports(pe); - pe_build_exports(pe); - } - - if (c == sec_reloc) - pe_build_reloc (pe); - - if (s->data_offset) - { - if (s->sh_type != SHT_NOBITS) { - si->data = s->data; - si->data_size = s->data_offset; - } - - addr += s->data_offset; - si->sh_size = s->data_offset; - ++pe->sec_count; - } - // printf("%08x %05x %s\n", si->sh_addr, si->sh_size, si->name); - } - -#if 0 - for (i = 1; i < pe->s1->nb_sections; ++i) { - Section *s = pe->s1->sections[i]; - int type = s->sh_type; - int flags = s->sh_flags; - printf("section %-16s %-10s %5x %s,%s,%s\n", - s->name, - type == SHT_PROGBITS ? "progbits" : - type == SHT_NOBITS ? "nobits" : - type == SHT_SYMTAB ? "symtab" : - type == SHT_STRTAB ? "strtab" : - type == SHT_REL ? "rel" : "???", - s->data_offset, - flags & SHF_ALLOC ? "alloc" : "", - flags & SHF_WRITE ? "write" : "", - flags & SHF_EXECINSTR ? "exec" : "" - ); - } - pe->s1->verbose = 2; -#endif - - tcc_free(section_order); - return 0; -} - -/* ------------------------------------------------------------- */ -ST_FN void pe_relocate_rva (struct pe_info *pe, Section *s) -{ - Section *sr = s->reloc; - Elf32_Rel *rel, *rel_end; - rel_end = (Elf32_Rel *)(sr->data + sr->data_offset); - for(rel = (Elf32_Rel *)sr->data; rel < rel_end; rel++) - if (ELF32_R_TYPE(rel->r_info) == R_386_RELATIVE) { - int sym_index = ELF32_R_SYM(rel->r_info); - DWORD addr = s->sh_addr; - if (sym_index) { - Elf32_Sym *sym = (Elf32_Sym *)symtab_section->data + sym_index; - addr = sym->st_value; - } - *(DWORD*)(s->data + rel->r_offset) += addr - pe->imagebase; - } -} - -/*----------------------------------------------------------------------------*/ -ST_FN int pe_check_symbols(struct pe_info *pe) -{ - Elf32_Sym *sym; - int sym_index, sym_end; - int ret = 0; - - pe_align_section(text_section, 8); - - sym_end = symtab_section->data_offset / sizeof(Elf32_Sym); - for (sym_index = 1; sym_index < sym_end; ++sym_index) { - - sym = (Elf32_Sym*)symtab_section->data + sym_index; - if (sym->st_shndx == SHN_UNDEF) { - - const char *name = symtab_section->link->data + sym->st_name; - unsigned type = ELF32_ST_TYPE(sym->st_info); - int imp_sym = pe_find_import(pe->s1, name); - struct import_symbol *is; - - if (0 == imp_sym) - goto not_found; - is = pe_add_import(pe, imp_sym); - if (!is) - goto not_found; - - if (type == STT_FUNC) { - unsigned long offset = is->thk_offset; - if (offset) { - /* got aliased symbol, like stricmp and _stricmp */ - - } else { - char buffer[100]; - - offset = text_section->data_offset; - /* add the 'jmp IAT[x]' instruction */ - *(WORD*)section_ptr_add(text_section, 8) = 0x25FF; - - /* add a helper symbol, will be patched later in - pe_build_imports */ - sprintf(buffer, "IAT.%s", name); - is->iat_index = put_elf_sym( - symtab_section, 0, sizeof(DWORD), - ELF32_ST_INFO(STB_GLOBAL, STT_OBJECT), - 0, SHN_UNDEF, buffer); - put_elf_reloc(symtab_section, text_section, - offset + 2, R_386_32, is->iat_index); - is->thk_offset = offset; - } - - /* tcc_realloc might have altered sym's address */ - sym = (Elf32_Sym*)symtab_section->data + sym_index; - - /* patch the original symbol */ - sym->st_value = offset; - sym->st_shndx = text_section->sh_num; - sym->st_other &= ~1; /* do not export */ - continue; - } - - if (type == STT_OBJECT) { /* data, ptr to that should be */ - if (0 == is->iat_index) { - /* original symbol will be patched later in pe_build_imports */ - is->iat_index = sym_index; - continue; - } - } - - not_found: - error_noabort("undefined symbol '%s'", name); - ret = 1; - - } else if (pe->s1->rdynamic - && ELF32_ST_BIND(sym->st_info) != STB_LOCAL) { - /* if -rdynamic option, then export all non local symbols */ - sym->st_other |= 1; - } - } - return ret; -} - -/*----------------------------------------------------------------------------*/ -#ifdef PE_PRINT_SECTIONS -ST_FN void pe_print_section(FILE * f, Section * s) -{ - /* just if you'r curious */ - BYTE *p, *e, b; - int i, n, l, m; - p = s->data; - e = s->data + s->data_offset; - l = e - p; - - fprintf(f, "section \"%s\"", s->name); - if (s->link) - fprintf(f, "\nlink \"%s\"", s->link->name); - if (s->reloc) - fprintf(f, "\nreloc \"%s\"", s->reloc->name); - fprintf(f, "\nv_addr %08X", s->sh_addr); - fprintf(f, "\ncontents %08X", l); - fprintf(f, "\n\n"); - - if (s->sh_type == SHT_NOBITS) - return; - - if (0 == l) - return; - - if (s->sh_type == SHT_SYMTAB) - m = sizeof(Elf32_Sym); - if (s->sh_type == SHT_REL) - m = sizeof(Elf32_Rel); - else - m = 16; - - fprintf(f, "%-8s", "offset"); - for (i = 0; i < m; ++i) - fprintf(f, " %02x", i); - n = 56; - - if (s->sh_type == SHT_SYMTAB || s->sh_type == SHT_REL) { - const char *fields1[] = { - "name", - "value", - "size", - "bind", - "type", - "other", - "shndx", - NULL - }; - - const char *fields2[] = { - "offs", - "type", - "symb", - NULL - }; - - const char **p; - - if (s->sh_type == SHT_SYMTAB) - p = fields1, n = 106; - else - p = fields2, n = 58; - - for (i = 0; p[i]; ++i) - fprintf(f, "%6s", p[i]); - fprintf(f, " symbol"); - } - - fprintf(f, "\n"); - for (i = 0; i < n; ++i) - fprintf(f, "-"); - fprintf(f, "\n"); - - for (i = 0; i < l;) - { - fprintf(f, "%08X", i); - for (n = 0; n < m; ++n) { - if (n + i < l) - fprintf(f, " %02X", p[i + n]); - else - fprintf(f, " "); - } - - if (s->sh_type == SHT_SYMTAB) { - Elf32_Sym *sym = (Elf32_Sym *) (p + i); - const char *name = s->link->data + sym->st_name; - fprintf(f, " %04X %04X %04X %02X %02X %02X %04X \"%s\"", - sym->st_name, - sym->st_value, - sym->st_size, - ELF32_ST_BIND(sym->st_info), - ELF32_ST_TYPE(sym->st_info), - sym->st_other, sym->st_shndx, name); - - } else if (s->sh_type == SHT_REL) { - Elf32_Rel *rel = (Elf32_Rel *) (p + i); - Elf32_Sym *sym = - (Elf32_Sym *) s->link->data + ELF32_R_SYM(rel->r_info); - const char *name = s->link->link->data + sym->st_name; - fprintf(f, " %04X %02X %04X \"%s\"", - rel->r_offset, - ELF32_R_TYPE(rel->r_info), - ELF32_R_SYM(rel->r_info), name); - } else { - fprintf(f, " "); - for (n = 0; n < m; ++n) { - if (n + i < l) { - b = p[i + n]; - if (b < 32 || b >= 127) - b = '.'; - fprintf(f, "%c", b); - } - } - } - i += m; - fprintf(f, "\n"); - } - fprintf(f, "\n\n"); -} - -ST_FN void pe_print_sections(TCCState *s1, const char *fname) -{ - Section *s; - FILE *f; - int i; - f = fopen(fname, "wt"); - for (i = 1; i < s1->nb_sections; ++i) { - s = s1->sections[i]; - pe_print_section(f, s); - } - pe_print_section(f, s1->dynsymtab_section); - fclose(f); -} -#endif - -/* ------------------------------------------------------------- - * This is for compiled windows resources in 'coff' format - * as generated by 'windres.exe -O coff ...'. - */ - -PUB_FN int pe_test_res_file(void *v, int size) -{ - struct pe_rsrc_header *p = (struct pe_rsrc_header *)v; - return - size >= IMAGE_SIZEOF_FILE_HEADER + IMAGE_SIZEOF_SHORT_NAME /* = 28 */ - && p->filehdr.Machine == 0x014C - && 1 == p->filehdr.NumberOfSections - && 0 == strcmp(p->sectionhdr.Name, ".rsrc") - ; -} - -ST_FN int read_n(int fd, void *ptr, unsigned size) -{ - return size == read(fd, ptr, size); -} - -PUB_FN int pe_load_res_file(TCCState *s1, int fd) -{ - struct pe_rsrc_header hdr; - Section *rsrc_section; - int i, ret = -1; - BYTE *ptr; - - lseek (fd, 0, SEEK_SET); - if (!read_n(fd, &hdr, sizeof hdr)) - goto quit; - if (!pe_test_res_file(&hdr, sizeof hdr)) - goto quit; - - rsrc_section = new_section(s1, ".rsrc", SHT_PROGBITS, SHF_ALLOC); - ptr = section_ptr_add(rsrc_section, hdr.sectionhdr.SizeOfRawData); - lseek (fd, hdr.sectionhdr.PointerToRawData, SEEK_SET); - if (!read_n(fd, ptr, hdr.sectionhdr.SizeOfRawData)) - goto quit; - - lseek (fd, hdr.sectionhdr.PointerToRelocations, SEEK_SET); - for (i = 0; i < hdr.sectionhdr.NumberOfRelocations; ++i) - { - struct pe_rsrc_reloc rel; - if (!read_n(fd, &rel, sizeof rel)) - goto quit; - // printf("rsrc_reloc: %x %x %x\n", rel.offset, rel.size, rel.type); - if (rel.type != 7) /* DIR32NB */ - goto quit; - put_elf_reloc(symtab_section, rsrc_section, - rel.offset, R_386_RELATIVE, 0); - } - ret = 0; -quit: - if (ret) - error_noabort("unrecognized resource file format"); - return ret; -} - -/* ------------------------------------------------------------- */ -ST_FN char *trimfront(char *p) -{ - while (*p && (unsigned char)*p <= ' ') - ++p; - return p; -} - -ST_FN char *trimback(char *a, char *e) -{ - while (e > a && (unsigned char)e[-1] <= ' ') - --e; - *e = 0;; - return a; -} - -ST_FN char *get_line(char *line, int size, FILE *fp) -{ - if (NULL == fgets(line, size, fp)) - return NULL; - trimback(line, strchr(line, 0)); - return trimfront(line); -} - -/* ------------------------------------------------------------- */ -PUB_FN int pe_load_def_file(TCCState *s1, int fd) -{ - DLLReference *dllref; - int state = 0, ret = -1; - char line[400], dllname[80], *p; - FILE *fp = fdopen(dup(fd), "rb"); - - if (NULL == fp) - goto quit; - - for (;;) { - p = get_line(line, sizeof line, fp); - if (NULL == p) - break; - if (0 == *p || ';' == *p) - continue; - switch (state) { - case 0: - if (0 != strnicmp(p, "LIBRARY", 7)) - goto quit; - strcpy(dllname, trimfront(p+7)); - ++state; - continue; - - case 1: - if (0 != stricmp(p, "EXPORTS")) - goto quit; - ++state; - continue; - - case 2: - dllref = tcc_mallocz(sizeof(DLLReference) + strlen(dllname)); - strcpy(dllref->name, dllname); - dynarray_add((void ***) &s1->loaded_dlls, &s1->nb_loaded_dlls, dllref); - ++state; - - default: - add_elf_sym(s1->dynsymtab_section, - s1->nb_loaded_dlls, 0, - ELF32_ST_INFO(STB_GLOBAL, STT_FUNC), 0, - text_section->sh_num, p); - continue; - } - } - ret = 0; -quit: - if (fp) - fclose(fp); - if (ret) - error_noabort("unrecognized export definition file format"); - return ret; -} - -/* ------------------------------------------------------------- */ - -ST_FN void pe_add_runtime_ex(TCCState *s1, struct pe_info *pe) -{ - const char *start_symbol; - unsigned long addr = 0; - int pe_type = 0; - - if (find_elf_sym(symtab_section, "_WinMain@16")) - pe_type = PE_GUI; - else - if (TCC_OUTPUT_DLL == s1->output_type) { - pe_type = PE_DLL; - /* need this for 'tccelf.c:relocate_section()' */ - s1->output_type = TCC_OUTPUT_EXE; - } - - start_symbol = - TCC_OUTPUT_MEMORY == s1->output_type - ? PE_GUI == pe_type ? "_runwinmain" : NULL - : PE_DLL == pe_type ? "__dllstart@12" - : PE_GUI == pe_type ? "_winstart" : "_start" - ; - - /* grab the startup code from libtcc1 */ - if (start_symbol) - add_elf_sym(symtab_section, - 0, 0, - ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, - SHN_UNDEF, start_symbol); - - if (0 == s1->nostdlib) { - tcc_add_library(s1, "tcc1"); -#ifdef __CYGWIN__ - tcc_add_library(s1, "cygwin1"); -#else - tcc_add_library(s1, "msvcrt"); -#endif - tcc_add_library(s1, "kernel32"); - if (PE_DLL == pe_type || PE_GUI == pe_type) { - tcc_add_library(s1, "user32"); - tcc_add_library(s1, "gdi32"); - } - } - - if (start_symbol) { - addr = (unsigned long)tcc_get_symbol_err(s1, start_symbol); - if (s1->output_type == TCC_OUTPUT_MEMORY && addr) - /* for -run GUI's, put '_runwinmain' instead of 'main' */ - add_elf_sym(symtab_section, - addr, 0, - ELF32_ST_INFO(STB_GLOBAL, STT_NOTYPE), 0, - text_section->sh_num, "main"); - } - - if (pe) { - pe->type = pe_type; - pe->start_addr = addr; - } -} - -PUB_FN void pe_add_runtime(TCCState *s1) -{ - pe_add_runtime_ex(s1, NULL); -} - -PUB_FN int pe_output_file(TCCState * s1, const char *filename) -{ - int ret; - struct pe_info pe; - int i; - - memset(&pe, 0, sizeof pe); - pe.filename = filename; - pe.s1 = s1; - - pe_add_runtime_ex(s1, &pe); - relocate_common_syms(); /* assign bss adresses */ - tcc_add_linker_symbols(s1); - - ret = pe_check_symbols(&pe); - if (0 == ret) { - if (PE_DLL == pe.type) { - pe.reloc = new_section(pe.s1, ".reloc", SHT_PROGBITS, 0); - pe.imagebase = 0x10000000; - } else { - pe.imagebase = 0x00400000; - } - pe_assign_addresses(&pe); - relocate_syms(s1, 0); - for (i = 1; i < s1->nb_sections; ++i) { - Section *s = s1->sections[i]; - if (s->reloc) { - relocate_section(s1, s); - pe_relocate_rva(&pe, s); - } - } - if (s1->nb_errors) - ret = 1; - else - ret = pe_write(&pe); - tcc_free(pe.sec_info); - } - -#ifdef PE_PRINT_SECTIONS - pe_print_sections(s1, "tcc.log"); -#endif - return ret; -} - -/* ------------------------------------------------------------- */ -#endif /* def TCC_TARGET_PE */ -/* ------------------------------------------------------------- */ |