diff options
| author | Kartik Agaram <vc@akkartik.com> | 2018-12-29 13:36:06 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2018-12-29 13:36:06 -0800 |
| commit | dd9ba09a7c74455f17afb515c377a217fa8be8bc (patch) | |
| tree | bdeba01efd5c56d3ccf4df10750bd99087d1bb24 /subx | |
| parent | d762282438f603d47804be04cebf77d6137c2728 (diff) | |
| download | mu-dd9ba09a7c74455f17afb515c377a217fa8be8bc.tar.gz | |
4888
We only can't use rm32=5 when mod=0. Totally fine when it's mod=1.
Diffstat (limited to 'subx')
34 files changed, 173 insertions, 173 deletions
diff --git a/subx/050_write.subx b/subx/050_write.subx index 1f146a5d..58cfde7c 100644 --- a/subx/050_write.subx +++ b/subx/050_write.subx @@ -22,12 +22,12 @@ _write: # fd : int, s : (address array byte) -> <void> 53/push-EBX # syscall(write, fd, (data) s+4, (size) *s) # . fd : EBX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 3/r32/EBX 8/disp8 . # copy *(EBP+8) to EBX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 3/r32/EBX 8/disp8 . # copy *(EBP+8) to EBX # . data : ECX = s+4 - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 1/r32/ECX 0xc/disp8 . # copy *(EBP+12) to ECX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 0xc/disp8 . # copy *(EBP+12) to ECX 81 0/subop/add 3/mod/direct 1/rm32/ECX . . . . . 4/imm32 # add to ECX # . size : EDX = *s - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 2/r32/EDX 0xc/disp8 . # copy *(EBP+12) to EDX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 2/r32/EDX 0xc/disp8 . # copy *(EBP+12) to EDX 8b/copy 0/mod/indirect 2/rm32/EDX . . . 2/r32/EDX . . # copy *EDX to EDX # . syscall b8/copy-to-EAX 4/imm32/write diff --git a/subx/051test.subx b/subx/051test.subx index 98816c80..e0b91d17 100644 --- a/subx/051test.subx +++ b/subx/051test.subx @@ -30,8 +30,8 @@ check-ints-equal: # (a : int, b : int, msg : (address array byte)) -> <void> 51/push-ECX 53/push-EBX # load first 2 args into EAX and EBX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 3/r32/EBX 0xc/disp8 . # copy *(EBP+12) to EBX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 3/r32/EBX 0xc/disp8 . # copy *(EBP+12) to EBX # if EAX == EBX success 39/compare 3/mod/direct 0/rm32/EAX . . . 3/r32/EBX . . # compare EAX and EBX 75/jump-if-unequal $check-ints-equal:else/disp8 @@ -49,7 +49,7 @@ check-ints-equal: # (a : int, b : int, msg : (address array byte)) -> <void> $check-ints-equal:else: # . _write(2/stderr, msg) # . . push args - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 1/r32/ECX 0x10/disp8 . # copy *(EBP+16) to ECX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 0x10/disp8 . # copy *(EBP+16) to ECX 51/push-ECX 68/push 2/imm32/stderr # . . call diff --git a/subx/052kernel_string_equal.subx b/subx/052kernel_string_equal.subx index 02284c20..f663f504 100644 --- a/subx/052kernel_string_equal.subx +++ b/subx/052kernel_string_equal.subx @@ -54,12 +54,12 @@ kernel-string-equal: # s : null-terminated ascii string, benchmark : length-pre # return *s1 == 0 # # initialize s into EDI - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI # initialize benchmark length n into EDX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 2/r32/EDX 0xc/disp8 . # copy *(EBP+12) to EDX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 2/r32/EDX 0xc/disp8 . # copy *(EBP+12) to EDX 8b/copy 0/mod/indirect 2/rm32/EDX . . . 2/r32/EDX . . # copy *EDX to EDX # initialize benchmark data into ESI - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI 81 0/subop/add 3/mod/direct 6/rm32/ESI . . . . . 4/imm32 # add to ESI # initialize loop counter i into ECX b9/copy-to-ECX 0/imm32/exit diff --git a/subx/053new_segment.subx b/subx/053new_segment.subx index d88abdc6..0aee0539 100644 --- a/subx/053new_segment.subx +++ b/subx/053new_segment.subx @@ -29,7 +29,7 @@ new-segment: # len : int -> address 53/push-EBX # copy len to _mmap-new-segment->len # TODO: compute _mmap-new-segment+4 before runtime - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX bb/copy-to-EBX _mmap-new-segment/imm32 89/copy 1/mod/*+disp8 3/rm32/EBX . . . 0/r32/EAX 4/disp8 . # copy EAX to *(EBX+4) # mmap(_mmap-new-segment) diff --git a/subx/054string_equal.subx b/subx/054string_equal.subx index 2ac7cb72..fe6dd17b 100644 --- a/subx/054string_equal.subx +++ b/subx/054string_equal.subx @@ -35,9 +35,9 @@ string-equal: # s : string, benchmark : string -> EAX : boolean # s[i]: EAX # # var s/EAX : (address array byte) - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX # var benchmark/EBX : (address array byte) - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 3/r32/EBX 0xc/disp8 . # copy *(EBP+12) to EBX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 3/r32/EBX 0xc/disp8 . # copy *(EBP+12) to EBX # if s->length != b->length return false # EDX = s->length 8b/copy 0/mod/indirect 0/rm32/EAX . . . 2/r32/EDX . . # copy *EAX to EDX diff --git a/subx/055trace.subx b/subx/055trace.subx index c420c38a..17ecb29b 100644 --- a/subx/055trace.subx +++ b/subx/055trace.subx @@ -80,9 +80,9 @@ trace: # t : (address trace-stream), line : string 56/push-ESI 57/push-EDI # EDI = t - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI # ESI = line - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI # ECX = t->write 8b/copy 0/mod/indirect 7/rm32/EDI . . . 1/r32/ECX . . # copy *EDI to ECX # EDX = t->length @@ -143,7 +143,7 @@ clear-trace-stream: # t : (address trace-stream) 50/push-EAX 51/push-ECX # EAX = t - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX # ECX = t->length 8b/copy 1/mod/*+disp8 0/rm32/EAX . . . 1/r32/ECX 8/disp8 . # copy *(EAX+8) to ECX # ECX = &t->data[t->length] @@ -284,7 +284,7 @@ _append-3: # out : address, outend : address, s : (array byte) -> num_bytes_app 51/push-ECX # _append-4(out, outend, &s->data[0], &s->data[s->length]) -> num_bytes_appended/EAX # . . push &s->data[s->length] - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 0/r32/EAX 0x10/disp8 . # copy *(EBP+16) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . 0/r32/EAX 0x10/disp8 . # copy *(EBP+16) to EAX 8b/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy *EAX to ECX 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX . 1/r32/ECX 4/disp8 . # copy EAX+ECX+4 to ECX 51/push-ECX @@ -292,9 +292,9 @@ _append-3: # out : address, outend : address, s : (array byte) -> num_bytes_app 8d/copy-address 1/mod/*+disp8 0/rm32/EAX . . . 1/r32/ECX 4/disp8 . # copy EAX+4 to ECX 51/push-ECX # . . push outend - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . push out - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call _append-4/disp32 # . . discard args @@ -321,13 +321,13 @@ _append-4: # out : address, outend : address, in : address, inend : address -> # EAX/num_bytes_appended = 0 b8/copy-to-EAX 0/imm32 # EDI = out - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI # EDX = outend - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 2/r32/EDX 0xc/disp8 . # copy *(EBP+12) to EDX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 2/r32/EDX 0xc/disp8 . # copy *(EBP+12) to EDX # ESI = in - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 6/r32/ESI 0x10/disp8 . # copy *(EBP+16) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 0x10/disp8 . # copy *(EBP+16) to ESI # ECX = inend - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 1/r32/ECX 0x14/disp8 . # copy *(EBP+20) to ECX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 0x14/disp8 . # copy *(EBP+20) to ECX $_append-4:loop: # if ESI/in >= ECX/inend break 39/compare 3/mod/direct 6/rm32/ESI . . . 1/r32/ECX . . # compare ESI with ECX diff --git a/subx/056write.subx b/subx/056write.subx index 3e52b4f2..395d33b5 100644 --- a/subx/056write.subx +++ b/subx/056write.subx @@ -33,11 +33,11 @@ write: # f : fd or (address stream), s : (address array byte) -> <void> 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # if (f < 0x08000000) _write(f, s), return # f can't be a user-mode address, so treat it as a kernel file descriptor - 81 7/subop/compare 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 0x08000000/imm32 # compare *(EBP+8) + 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 0x08000000/imm32 # compare *(EBP+8) 7d/jump-if-greater-or-equal $write:fake/disp8 # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + 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 _write/disp32 # . . discard args @@ -51,14 +51,14 @@ $write:fake: 52/push-EDX 53/push-EBX # ECX = f - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 1/r32/ECX 8/disp8 . # copy *(EBP+8) to ECX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . 1/r32/ECX 8/disp8 . # copy *(EBP+8) to ECX # EDX = f->write 8b/copy 0/mod/indirect 1/rm32/ECX . . . 2/r32/EDX . . # copy *ECX to EDX # EBX = f->length 8b/copy 1/mod/*+disp8 1/rm32/ECX . . . 3/r32/EBX 8/disp8 . # copy *(ECX+8) to EBX # EAX = _append-3(&f->data[f->write], &f->data[f->length], s) # . . push s - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . push &f->data[f->length] 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ECX 3/index/EBX . 3/r32/EBX 0xc/disp8 . # copy ECX+EBX+12 to EBX 53/push-EBX @@ -90,7 +90,7 @@ clear-stream: # f : (address stream) -> <void> 50/push-EAX 51/push-ECX # EAX = f - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX # ECX = f->length 8b/copy 1/mod/*+disp8 0/rm32/EAX . . . 1/r32/ECX 8/disp8 . # copy *(EAX+8) to ECX # ECX = &f->data[f->length] diff --git a/subx/057stop.subx b/subx/057stop.subx index b1aee746..f9e67f9e 100644 --- a/subx/057stop.subx +++ b/subx/057stop.subx @@ -56,7 +56,7 @@ tailor-exit-descriptor: # ed : (address exit-descriptor), nbytes : int -> <void 50/push-EAX 51/push-ECX # EAX = nbytes - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX # Let X be the value of ESP in the caller, before the call to tailor-exit-descriptor. # The return address for a call in the caller's body will be at: # X-8 if the caller takes 4 bytes of args for the exit-descriptor (add 4 bytes for the return address) @@ -83,7 +83,7 @@ tailor-exit-descriptor: # ed : (address exit-descriptor), nbytes : int -> <void f7 3/subop/negate 3/mod/direct 0/rm32/EAX . . . . . . # negate EAX 8d/copy-address 1/mod/*+disp8 4/rm32/sib 5/base/EBP 0/index/EAX . 0/r32/EAX 0xc/disp8 . # copy EBP+EAX+12 to EAX # copy EAX to ed->target - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 1/r32/ECX 8/disp8 . # copy *(EBP+8) to ECX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 8/disp8 . # copy *(EBP+8) to ECX 89/copy 0/mod/indirect 1/rm32/ECX . . . 0/r32/EAX . . # copy EAX to *ECX # initialize ed->value c7 0/subop/copy 1/mod/*+disp8 1/rm32/ECX . . . . 4/disp8 0/imm32 # copy to *(ECX+4) @@ -172,7 +172,7 @@ _test-stop-1: # ed : (address exit-descriptor) 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # _test-stop-2(ed) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call _test-stop-2/disp32 # should never get past this point @@ -200,7 +200,7 @@ _test-stop-2: # ed : (address exit-descriptor) # . stop(ed, 1) # . . push args 68/push 1/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call stop/disp32 # should never get past this point diff --git a/subx/058read.subx b/subx/058read.subx index 16b50f07..42056a13 100644 --- a/subx/058read.subx +++ b/subx/058read.subx @@ -57,11 +57,11 @@ read: # f : fd or (address stream), s : (address stream) -> num-bytes-read/EAX 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # if (f < 0x08000000) return _read(f, s) # f can't be a user-mode address, so treat it as a kernel file descriptor - 81 7/subop/compare 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 0x08000000/imm32 # compare *(EBP+8) + 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 0x08000000/imm32 # compare *(EBP+8) 7d/jump-if-greater-or-equal $read:fake/disp8 # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + 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 _read/disp32 # . . discard args @@ -74,9 +74,9 @@ $read:fake: 56/push-ESI 57/push-EDI # ESI = f - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI # EDI = s - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 7/r32/EDI 0xc/disp8 . # copy *(EBP+12) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 7/r32/EDI 0xc/disp8 . # copy *(EBP+12) to ESI # EAX = _append-4(out = &s->data[s->write], outend = &s->data[s->length], # in = &f->data[f->read], inend = &f->data[f->write]) # . . push &f->data[f->write] @@ -128,14 +128,14 @@ _read: # fd : int, s : (address stream) -> num-bytes-read/EAX 53/push-EBX 56/push-ESI # ESI = s - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI # EAX = s->write 8b/copy 0/mod/indirect 6/rm32/ESI . . . 0/r32/EAX . . # copy *ESI to EAX # EDX = s->length 8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 2/r32/EDX 8/disp8 . # copy *(ESI+8) to EDX # syscall(read, fd, &s->data[s->write], s->length - s->write) # . . fd : EBX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 3/r32/EBX 8/disp8 . # copy *(EBP+8) to EBX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 3/r32/EBX 8/disp8 . # copy *(EBP+8) to EBX # . . data : ECX = &s->data[s->write] 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 0/index/EAX . 1/r32/ECX 0xc/disp8 . # copy ESI+EAX+12 to ECX # . . size : EDX = s->length - s->write diff --git a/subx/059read-byte.subx b/subx/059read-byte.subx index e4b54b61..fc583809 100644 --- a/subx/059read-byte.subx +++ b/subx/059read-byte.subx @@ -50,7 +50,7 @@ read-byte: # f : (address buffered-file) -> byte-or-eof/EAX 51/push-ECX 56/push-ESI # ESI = f - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI # ECX = f->read 8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 1/r32/ECX 8/disp8 . # copy *(ESI+8) to ECX # if (f->read >= f->write) populate stream from file diff --git a/subx/060write-stream.subx b/subx/060write-stream.subx index 66e15c7b..a9859ec9 100644 --- a/subx/060write-stream.subx +++ b/subx/060write-stream.subx @@ -24,11 +24,11 @@ write-stream: # f : fd or (address stream), s : (address stream) -> <void> 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # if (f < 0x08000000) _write-stream(f, s), return # f can't be a user-mode address, so treat it as a kernel file descriptor - 81 7/subop/compare 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 0x08000000/imm32 # compare *(EBP+8) + 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 0x08000000/imm32 # compare *(EBP+8) 7d/jump-if-greater-or-equal $write-stream:fake/disp8 # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + 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 _write-stream/disp32 # . . discard args @@ -41,9 +41,9 @@ $write-stream:fake: 56/push-ESI 57/push-EDI # EDI = f - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI # ESI = s - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI # EAX = _append-4(&f->data[f->write], &f->data[f->length], &s->data[s->read], &s->data[s->write]) # . . push &s->data[s->write] 8b/copy 0/mod/indirect 6/rm32/ESI . . . 0/r32/EAX . . # copy *ESI to EAX @@ -91,14 +91,14 @@ _write-stream: # fd : int, s : (address stream) -> <void> 56/push-ESI 57/push-EDI # ESI = s - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI # EDI = s->read 8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 7/r32/EDI 4/disp8 . # copy *(ESI+4) to EDI # EDX = s->write 8b/copy 0/mod/indirect 6/rm32/ESI . . . 2/r32/EDX . . # copy *ESI to EDX # syscall(write, fd, &s->data[s->read], s->write-s->read) # . . fd : EBX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 3/r32/EBX 8/disp8 . # copy *(EBP+8) to EBX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 3/r32/EBX 8/disp8 . # copy *(EBP+8) to EBX # . . data : ECX = &s->data[s->read] 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/ESI 7/index/EDI . 1/r32/ECX 0xc/disp8 . # copy ESI+EDI+12 to ECX # . . size : EDX = s->write - s->read diff --git a/subx/061error.subx b/subx/061error.subx index ef244162..efda8ea3 100644 --- a/subx/061error.subx +++ b/subx/061error.subx @@ -20,15 +20,15 @@ error: # ed : (address exit-descriptor), out : fd or (address stream), msg : (a # write(out, "Error: ") # . . push args 68/push "Error: "/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # write(out, msg) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -36,7 +36,7 @@ error: # ed : (address exit-descriptor), out : fd or (address stream), msg : (a # write(out, Newline) # . . push args 68/push Newline/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -44,7 +44,7 @@ error: # ed : (address exit-descriptor), out : fd or (address stream), msg : (a # stop(ed, 1) # . . push args 68/push 1/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call stop/disp32 # should never get past this point diff --git a/subx/062write-byte.subx b/subx/062write-byte.subx index d6a3a90b..ad29d9f1 100644 --- a/subx/062write-byte.subx +++ b/subx/062write-byte.subx @@ -43,7 +43,7 @@ write-byte: # f : (address buffered-file), n : int -> <void> 51/push-ECX 57/push-EDI # EDI = f - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI # ECX = f->write 8b/copy 1/mod/*+disp8 7/rm32/EDI . . . 1/r32/ECX 4/disp8 . # copy *(EDI+4) to ECX # if (f->write >= f->length) flush and clear f's stream @@ -68,7 +68,7 @@ $write-byte:to-stream: # write to stream # f->data[f->read] = LSB(n) 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX - 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/AL 0xc/disp8 . # copy byte at *(EBP+12) to AL + 8a/copy-byte 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/AL 0xc/disp8 . # copy byte at *(EBP+12) to AL 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 1/index/ECX . 0/r32/AL 0x10/disp8 . # copy AL to *(EDI+ECX+16) # ++f->read ff 0/subop/increment 1/mod/*+disp8 7/rm32/EDI . . . . 4/disp8 . # increment *(EDI+4) @@ -89,7 +89,7 @@ flush: # f : (address buffered-file) -> <void> 50/push-EAX 51/push-ECX # EAX = f - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX # write-stream(f->fd, data = f+4) # . . push args 8d/copy-address 1/mod/*+disp8 0/rm32/EAX . . . 1/r32/ECX 4/disp8 . # copy EAX+4 to ECX diff --git a/subx/063print-byte.subx b/subx/063print-byte.subx index 61b19146..8bd9fbfc 100644 --- a/subx/063print-byte.subx +++ b/subx/063print-byte.subx @@ -19,7 +19,7 @@ print-byte: # f : (address buffered-file), n : int -> <void> # . save registers 50/push-EAX # AL = convert upper nibble to hex - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX c1/shift 5/subop/logic-right 3/mod/direct 0/rm32/EAX . . . . . 4/imm8 # shift EAX right by 4 bits, while padding zeroes # . hex-char(AL) # . . push args @@ -31,13 +31,13 @@ print-byte: # f : (address buffered-file), n : int -> <void> # write-byte(f, AL) # . . push args 50/push-EAX - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call write-byte/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # AL = convert lower nibble to hex - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX 25/and-EAX 0xf/imm32 # . hex-char(AL) # . . push args @@ -49,7 +49,7 @@ print-byte: # f : (address buffered-file), n : int -> <void> # write-byte(f, AL) # . . push args 50/push-EAX - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call write-byte/disp32 # . . discard args @@ -70,7 +70,7 @@ hex-char: # n : int -> char_or_error/EAX 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # EAX = n - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX # if it's <= 9 add '0' to it 81 7/subop/compare 3/mod/direct 0/rm32/EAX . . . . . 0x9/imm32 # compare EAX 7f/jump-if-greater $hex-char:check2/disp8 diff --git a/subx/064write-buffered.subx b/subx/064write-buffered.subx index 55d703c2..3c3c7276 100644 --- a/subx/064write-buffered.subx +++ b/subx/064write-buffered.subx @@ -45,14 +45,14 @@ write-buffered: # f : (address buffered-file), msg : (address array byte) -> <v 56/push-ESI 57/push-EDI # EAX = msg - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX # in/ESI = msg->data 8d/copy-address 1/mod/*+disp8 0/rm32/EAX . . . 6/r32/ESI 4/disp8 . # copy EAX+4 to ESI # inend/ECX = &msg->data[msg->length] 8b/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy *EAX to ECX 8d/copy-address 0/mod/indirect 4/rm32/sib 6/base/ESI 1/index/ECX . 1/r32/ECX . . # copy ESI+ECX to ECX # EDI = f - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI # EDX = f->length 8b/copy 1/mod/*+disp8 7/rm32/EDI . . . 2/r32/EDX 0xc/disp8 . # copy *(EDI+12) to EDX # EBX = f->write diff --git a/subx/065error-byte.subx b/subx/065error-byte.subx index bbbf6c36..5f9a4ada 100644 --- a/subx/065error-byte.subx +++ b/subx/065error-byte.subx @@ -34,15 +34,15 @@ error-byte: # ed : (address exit-descriptor), out : (address buffered-file), ms # write-buffered(out, "Error: ") # . . push args 68/push "Error: "/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + 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-buffered(out, msg) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-buffered/disp32 # . . discard args @@ -50,15 +50,15 @@ error-byte: # ed : (address exit-descriptor), out : (address buffered-file), ms # write-buffered(out, ": ") # . . push args 68/push ": "/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + 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 # print-byte(out, byte) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x14/disp8 . # push *(EBP+20) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x14/disp8 . # push *(EBP+20) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call print-byte/disp32 # . . discard args @@ -66,14 +66,14 @@ error-byte: # ed : (address exit-descriptor), out : (address buffered-file), ms # write-buffered(out, Newline) # . . push args 68/push Newline/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + 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 # . flush(out) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call flush/disp32 # . . discard args @@ -81,7 +81,7 @@ error-byte: # ed : (address exit-descriptor), out : (address buffered-file), ms # stop(ed, 1) # . . push args 68/push 1/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call stop/disp32 # should never get past this point diff --git a/subx/066allocate.subx b/subx/066allocate.subx index 92da3815..0e3b54f6 100644 --- a/subx/066allocate.subx +++ b/subx/066allocate.subx @@ -46,13 +46,13 @@ allocate: # ad : (address allocation-descriptor), n : int -> address-or-null/EA 51/push-ECX 52/push-EDX # ECX = ad - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 1/r32/ECX 8/disp8 . # copy *(EBP+8) to ECX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 8/disp8 . # copy *(EBP+8) to ECX # save ad->curr 8b/copy 0/mod/indirect 1/rm32/ECX . . . 0/r32/EAX . . # copy *ECX to EAX # check if there's enough space # . EDX = ad->curr + n 89/copy 3/mod/direct 2/rm32/EDX . . . 0/r32/EAX . . # copy EAX to EDX - 03/add 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 2/r32/EDX 0xc/disp8 . # add *(EBP+12) to EDX + 03/add 1/mod/*+disp8 5/rm32/EBP . . . 2/r32/EDX 0xc/disp8 . # add *(EBP+12) to EDX 3b/compare 1/mod/*+disp8 1/rm32/ECX . . . 2/r32/EDX 4/disp8 . # compare EDX with *(ECX+4) 7c/jump-if-lesser $allocate:commit/disp8 # return null if not diff --git a/subx/apps/crenshaw2-1 b/subx/apps/crenshaw2-1 index 1f3b5436..5a28117c 100755 --- a/subx/apps/crenshaw2-1 +++ b/subx/apps/crenshaw2-1 Binary files differdiff --git a/subx/apps/crenshaw2-1.subx b/subx/apps/crenshaw2-1.subx index e0ab0f47..25dbe8a8 100644 --- a/subx/apps/crenshaw2-1.subx +++ b/subx/apps/crenshaw2-1.subx @@ -39,12 +39,12 @@ 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 4/rm32/sib 5/base/EBP 4/index/none . . 0/disp8 1/imm32 # compare *EBP + 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 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call kernel-string-equal/disp32 # . . discard args @@ -91,7 +91,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # prime the pump # . Look = get-char(in) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call get-char/disp32 # . . discard args @@ -116,10 +116,10 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # read a digit from 'in' into 'num' # . get-num(in, num, err, ed) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x14/disp8 . # push *(EBP+20) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x14/disp8 . # push *(EBP+20) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) 51/push-ECX/num - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call get-num/disp32 # . . discard args @@ -132,7 +132,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, "bb/copy-to-EBX ") # . . push args 68/push "bb/copy-to-EBX "/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -140,7 +140,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write-stream(out, num) # . . push args 51/push-ECX/num - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-stream/disp32 # . . discard args @@ -148,7 +148,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, Newline) # . . push args 68/push Newline/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -156,7 +156,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, "b8/copy-to-EAX 1/imm32/exit") # . . push args 68/push "b8/copy-to-EAX 1/imm32/exit"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -164,7 +164,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, Newline) # . . push args 68/push Newline/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -172,7 +172,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, "cd/syscall 0x80/imm8") # . . push args 68/push "cd/syscall 0x80/imm8"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -180,7 +180,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, Newline) # . . push args 68/push Newline/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -235,8 +235,8 @@ get-num: # in : (address buffered-file), out : (address stream), err : fd or (a # . expected(ed, err, "integer") # . . push args 68/push "integer"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x14/disp8 . # push *(EBP+20) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x14/disp8 . # push *(EBP+20) # . . call e8/call expected/disp32 # never returns # . . discard args @@ -252,9 +252,9 @@ $get-num:main: 57/push-EDI # read necessary variables to registers # ESI = in - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI # EDI = out - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 7/r32/EDI 0xc/disp8 . # copy *(EBP+12) to EDI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 7/r32/EDI 0xc/disp8 . # copy *(EBP+12) to EDI # ECX = out->write 8b/copy 0/mod/indirect 7/rm32/EDI . . . 1/r32/ECX . . # copy *EDI to ECX # EDX = out->length @@ -265,8 +265,8 @@ $get-num:main: # . error(ed, err, msg) # TODO: show full number # . . push args 68/push "get-num: too many digits in number"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x14/disp8 . # push *(EBP+20) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x14/disp8 . # push *(EBP+20) # . . call e8/call error/disp32 # never returns # . . discard args @@ -487,15 +487,15 @@ expected: # ed : (address exit-descriptor), f : fd or (address stream), s : (ad # write(f, "Error: ") # . . push args 68/push "Error: "/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # write(f, s) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -503,7 +503,7 @@ expected: # ed : (address exit-descriptor), f : fd or (address stream), s : (ad # write(f, " expected") # . . push args 68/push " expected"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -511,7 +511,7 @@ expected: # ed : (address exit-descriptor), f : fd or (address stream), s : (ad # write(f, Newline) # . . push args 68/push Newline/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -519,7 +519,7 @@ expected: # ed : (address exit-descriptor), f : fd or (address stream), s : (ad # stop(ed, 1) # . . push args 68/push 1/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call stop/disp32 # should never get past this point @@ -538,7 +538,7 @@ get-char: # f : (address buffered-file) -> <void> 50/push-EAX # read-byte(f) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call read-byte/disp32 # . . discard args @@ -560,10 +560,10 @@ is-digit?: # c : int -> bool/EAX # EAX = false b8/copy-to-EAX 0/imm32 # if c < '0' return false - 81 7/subop/compare 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 0x30/imm32 # compare *(EBP+8) + 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 0x30/imm32 # compare *(EBP+8) 7c/jump-if-lesser $is-digit?:end/disp8 # if c > '9' return false - 81 7/subop/compare 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 0x39/imm32 # compare *(EBP+8) + 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 0x39/imm32 # compare *(EBP+8) 7f/jump-if-greater $is-digit?:end/disp8 # otherwise return true b8/copy-to-EAX 1/imm32 diff --git a/subx/apps/crenshaw2-1b b/subx/apps/crenshaw2-1b index 08395a6b..46a26183 100755 --- a/subx/apps/crenshaw2-1b +++ b/subx/apps/crenshaw2-1b Binary files differdiff --git a/subx/apps/crenshaw2-1b.subx b/subx/apps/crenshaw2-1b.subx index 268e6400..74222798 100644 --- a/subx/apps/crenshaw2-1b.subx +++ b/subx/apps/crenshaw2-1b.subx @@ -39,12 +39,12 @@ 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 4/rm32/sib 5/base/EBP 4/index/none . . 0/disp8 1/imm32 # compare *EBP + 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 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call kernel-string-equal/disp32 # . . discard args @@ -91,7 +91,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # prime the pump # . Look = get-char(in) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call get-char/disp32 # . . discard args @@ -116,10 +116,10 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # read a digit from 'in' into 'num' # . get-num(in, num, err, ed) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x14/disp8 . # push *(EBP+20) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x14/disp8 . # push *(EBP+20) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) 51/push-ECX/num - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call get-num/disp32 # . . discard args @@ -132,7 +132,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, "bb/copy-to-EBX ") # . . push args 68/push "bb/copy-to-EBX "/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -140,7 +140,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write-stream(out, num) # . . push args 51/push-ECX/num - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-stream/disp32 # . . discard args @@ -148,7 +148,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, Newline) # . . push args 68/push Newline/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -156,7 +156,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, "b8/copy-to-EAX 1/imm32/exit") # . . push args 68/push "b8/copy-to-EAX 1/imm32/exit"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -164,7 +164,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, Newline) # . . push args 68/push Newline/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -172,7 +172,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, "cd/syscall 0x80/imm8") # . . push args 68/push "cd/syscall 0x80/imm8"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -180,7 +180,7 @@ compile: # in : (address buffered-file), out : fd or (address stream), err : fd # . write(out, Newline) # . . push args 68/push Newline/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -240,8 +240,8 @@ get-num: # in : (address buffered-file), out : (address stream), err : fd or (a # . expected(ed, err, "integer") # . . push args 68/push "integer"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x14/disp8 . # push *(EBP+20) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x14/disp8 . # push *(EBP+20) # . . call e8/call expected/disp32 # never returns # . . discard args @@ -257,9 +257,9 @@ $get-num:main: 57/push-EDI # read necessary variables to registers # ESI = in - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI # EDI = out - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 7/r32/EDI 0xc/disp8 . # copy *(EBP+12) to EDI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 7/r32/EDI 0xc/disp8 . # copy *(EBP+12) to EDI # ECX = out->write 8b/copy 0/mod/indirect 7/rm32/EDI . . . 1/r32/ECX . . # copy *EDI to ECX # EDX = out->length @@ -271,8 +271,8 @@ $get-num:loop: # . error(ed, err, msg) # TODO: show full number # . . push args 68/push "get-num: too many digits in number"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x14/disp8 . # push *(EBP+20) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x14/disp8 . # push *(EBP+20) # . . call e8/call error/disp32 # never returns # . . discard args @@ -686,15 +686,15 @@ expected: # ed : (address exit-descriptor), f : fd or (address stream), s : (ad # write(f, "Error: ") # . . push args 68/push "Error: "/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP # write(f, s) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -702,7 +702,7 @@ expected: # ed : (address exit-descriptor), f : fd or (address stream), s : (ad # write(f, " expected") # . . push args 68/push " expected"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -710,7 +710,7 @@ expected: # ed : (address exit-descriptor), f : fd or (address stream), s : (ad # write(f, Newline) # . . push args 68/push Newline/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write/disp32 # . . discard args @@ -718,7 +718,7 @@ expected: # ed : (address exit-descriptor), f : fd or (address stream), s : (ad # stop(ed, 1) # . . push args 68/push 1/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call stop/disp32 # should never get past this point @@ -736,7 +736,7 @@ get-char: # f : (address buffered-file) -> <void> 50/push-EAX # read-byte(f) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call read-byte/disp32 # . . discard args @@ -757,10 +757,10 @@ is-digit?: # c : int -> bool/EAX # EAX = false b8/copy-to-EAX 0/imm32 # if c < '0' return false - 81 7/subop/compare 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 0x30/imm32 # compare *(EBP+8) + 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 0x30/imm32 # compare *(EBP+8) 7c/jump-if-lesser $is-digit?:end/disp8 # if c > '9' return false - 81 7/subop/compare 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 0x39/imm32 # compare *(EBP+8) + 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 0x39/imm32 # compare *(EBP+8) 7f/jump-if-greater $is-digit?:end/disp8 # otherwise return true b8/copy-to-EAX 1/imm32 diff --git a/subx/apps/factorial b/subx/apps/factorial index 3bd1c65b..679feb71 100755 --- a/subx/apps/factorial +++ b/subx/apps/factorial Binary files differdiff --git a/subx/apps/factorial.subx b/subx/apps/factorial.subx index adc772db..068a63cb 100644 --- a/subx/apps/factorial.subx +++ b/subx/apps/factorial.subx @@ -24,12 +24,12 @@ 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 4/rm32/sib 5/base/EBP 4/index/none . . 0/disp8 1/imm32 # compare *EBP + 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 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call kernel-string-equal/disp32 # . . discard args @@ -63,10 +63,10 @@ factorial: # n : int -> int/EAX # EAX = 1 (base case) b8/copy-to-EAX 1/imm32 # if (n <= 1) return - 81 7/subop/compare 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 1/imm32 # compare *(EBP+8) + 81 7/subop/compare 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 1/imm32 # compare *(EBP+8) 7e/jump-if-<= $factorial:end/disp8 # EBX = n-1 - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 3/r32/EBX 8/disp8 . # copy *(EBP+8) to EBX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . 3/r32/EBX 8/disp8 . # copy *(EBP+8) to EBX 81 5/subop/subtract 3/mod/direct 3/rm32/EBX . . . . . 1/imm32 # subtract from EBX # EAX = factorial(n-1) # . . push args @@ -76,7 +76,7 @@ factorial: # n : int -> int/EAX # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # return n * factorial(n-1) - f7 4/subop/multiply 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 8/disp8 . # multiply *(EBP+8) into EAX + f7 4/subop/multiply 1/mod/*+disp8 5/rm32/EBP . . 8/disp8 . # multiply *(EBP+8) into EAX # TODO: check for overflow $factorial:end: # . epilog diff --git a/subx/apps/hex b/subx/apps/hex index 9287faa7..93c9f27f 100755 --- a/subx/apps/hex +++ b/subx/apps/hex Binary files differdiff --git a/subx/apps/hex.subx b/subx/apps/hex.subx index 032c1da7..2660bd54 100644 --- a/subx/apps/hex.subx +++ b/subx/apps/hex.subx @@ -27,12 +27,12 @@ 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 4/rm32/sib 5/base/EBP 4/index/none . . 0/disp8 1/imm32 # compare *EBP + 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 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call kernel-string-equal/disp32 # . . discard args @@ -91,9 +91,9 @@ convert: # in : (address buffered-file), out : (address buffered-file), err : ( $convert:loop: # EAX = convert-next-octet(in, err, ed) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x14/disp8 . # push *(EBP+20) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x14/disp8 . # push *(EBP+20) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call convert-next-octet/disp32 # . . discard first 2 args @@ -104,7 +104,7 @@ $convert:loop: # write-byte(out, AL) # . . push args 50/push-EAX - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call write-byte/disp32 # . . discard args @@ -114,7 +114,7 @@ $convert:loop: $convert:loop-end: # flush(out) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . call e8/call flush/disp32 # . . discard args @@ -151,9 +151,9 @@ convert-next-octet: # in : (address buffered-file), err : (address buffered-fil 51/push-ECX # EAX = scan-next-byte(in, err, ed) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + 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 scan-next-byte/disp32 # . . discard args @@ -167,9 +167,9 @@ convert-next-octet: # in : (address buffered-file), err : (address buffered-fil 89/copy 3/mod/direct 1/rm32/ECX . . . 0/r32/EAX . . # copy EAX to ECX # EAX = scan-next-byte(in, err, ed) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) + 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 scan-next-byte/disp32 # . . discard args @@ -181,8 +181,8 @@ convert-next-octet: # in : (address buffered-file), err : (address buffered-fil # . . push args 68/push 0x2e/imm32/period/dummy 68/push "convert-next-octet: partial byte found"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) + 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 . . . . 0x10/disp8 . # push *(EBP+16) # . . call e8/call error-byte/disp32 # never returns $convert-next-octet:convert: @@ -508,7 +508,7 @@ scan-next-byte: # in : (address buffered-file), err : (address buffered-file), $scan-next-byte:loop: # EAX = read-byte(in) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call read-byte/disp32 # . . discard args @@ -548,7 +548,7 @@ $scan-next-byte:check2: 75/jump-if-not-equal $scan-next-byte:check3/disp8 # . skip-until-newline(in) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call skip-until-newline/disp32 # . . discard args @@ -559,8 +559,8 @@ $scan-next-byte:check3: # . . push args 50/push-EAX 68/push "scan-next-byte: invalid byte"/imm32 - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0x10/disp8 . # push *(EBP+16) + 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 . . . . 0x10/disp8 . # push *(EBP+16) # . . call e8/call error-byte/disp32 # never returns $scan-next-byte:end: @@ -1421,7 +1421,7 @@ is-hex-lowercase-byte?: # c : byte -> bool/EAX # . save registers 51/push-ECX # ECX = c - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 1/r32/ECX 8/disp8 . # copy *(EBP+8) to ECX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 8/disp8 . # copy *(EBP+8) to ECX # return false if c < '0' b8/copy-to-EAX 0/imm32/false 81 7/subop/compare 3/mod/direct 1/rm32/ECX . . . . . 0x30/imm32 # compare ECX @@ -1601,7 +1601,7 @@ skip-until-newline: # in : (address buffered-file) -> <void> $skip-until-newline:loop: # . EAX = read-byte(in) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call read-byte/disp32 # . . discard args diff --git a/subx/examples/ex10 b/subx/examples/ex10 index e6d8b3c4..9cdfb983 100755 --- a/subx/examples/ex10 +++ b/subx/examples/ex10 Binary files differdiff --git a/subx/examples/ex10.subx b/subx/examples/ex10.subx index 9ac6d6cb..0b937fa5 100644 --- a/subx/examples/ex10.subx +++ b/subx/examples/ex10.subx @@ -22,9 +22,9 @@ 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # argv-equal(argv[1], argv[2]) # . . push argv[2] - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . push argv[1] - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call argv-equal/disp32 # syscall(exit, EAX) diff --git a/subx/examples/ex11 b/subx/examples/ex11 index f4329e00..cdabbf0a 100755 --- a/subx/examples/ex11 +++ b/subx/examples/ex11 Binary files differdiff --git a/subx/examples/ex11.subx b/subx/examples/ex11.subx index 5acd5bf0..84ef43d9 100644 --- a/subx/examples/ex11.subx +++ b/subx/examples/ex11.subx @@ -53,12 +53,12 @@ kernel-string-equal: # s : null-terminated ascii string, benchmark : length-pre # return false # return *s1 == 0 # initialize s into EDI - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 7/r32/EDI 8/disp8 . # copy *(EBP+8) to EDI # initialize benchmark length n into EDX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 2/r32/EDX 0xc/disp8 . # copy *(EBP+12) to EDX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 2/r32/EDX 0xc/disp8 . # copy *(EBP+12) to EDX 8b/copy 0/mod/indirect 2/rm32/EDX . . . 2/r32/EDX . . # copy *EDX to EDX # initialize benchmark data into ESI - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI 81 0/subop/add 3/mod/direct 6/rm32/ESI . . . . . 4/imm32 # add to ESI # initialize loop counter i into ECX b9/copy-to-ECX 0/imm32/exit @@ -261,8 +261,8 @@ check-ints-equal: # (a : int, b : int, msg : (address array byte)) -> boolean 51/push-ECX 53/push-EBX # load args into EAX, EBX and ECX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 3/r32/EBX 0xc/disp8 . # copy *(EBP+12) to EBX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 3/r32/EBX 0xc/disp8 . # copy *(EBP+12) to EBX # if EAX == b/EBX print('.') and return 39/compare 3/mod/direct 0/rm32/EAX . . . 3/r32/EBX . . # compare EAX and EBX 75/jump-if-unequal $check-ints-equal:else/disp8 @@ -278,7 +278,7 @@ check-ints-equal: # (a : int, b : int, msg : (address array byte)) -> boolean # otherwise print(msg) $check-ints-equal:else: # copy msg into ECX - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 1/r32/ECX 0x10/disp8 . # copy *(EBP+16) to ECX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 0x10/disp8 . # copy *(EBP+16) to ECX # print(ECX) # . . push args 51/push-ECX @@ -315,10 +315,10 @@ write-stderr: # s : (address array byte) -> <void> # . . fd = 2 (stderr) bb/copy-to-EBX 2/imm32 # . . x = s+4 - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 1/r32/ECX 8/disp8 . # copy *(EBP+8) to ECX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 8/disp8 . # copy *(EBP+8) to ECX 81 0/subop/add 3/mod/direct 1/rm32/ECX . . . . . 4/imm32 # add to ECX # . . size = *s - 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . 2/r32/EDX 8/disp8 . # copy *(EBP+8) to EDX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 2/r32/EDX 8/disp8 . # copy *(EBP+8) to EDX 8b/copy 0/mod/indirect 2/rm32/EDX . . . 2/r32/EDX . . # copy *EDX to EDX # . . syscall b8/copy-to-EAX 4/imm32/write diff --git a/subx/examples/ex8 b/subx/examples/ex8 index dda61510..9a92bc7d 100755 --- a/subx/examples/ex8 +++ b/subx/examples/ex8 Binary files differdiff --git a/subx/examples/ex8.subx b/subx/examples/ex8.subx index 75a77a50..d9234123 100644 --- a/subx/examples/ex8.subx +++ b/subx/examples/ex8.subx @@ -23,7 +23,7 @@ 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # EAX = ascii-length(argv[1]) # . . push args - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call ascii-length/disp32 # . . discard args diff --git a/subx/examples/ex9 b/subx/examples/ex9 index dc9c0e3c..ffbea21b 100755 --- a/subx/examples/ex9 +++ b/subx/examples/ex9 Binary files differdiff --git a/subx/examples/ex9.subx b/subx/examples/ex9.subx index bc842e4b..b3a125ea 100644 --- a/subx/examples/ex9.subx +++ b/subx/examples/ex9.subx @@ -26,9 +26,9 @@ 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP # ascii-difference(argv[1], argv[2]) # . . push argv[2] - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 0xc/disp8 . # push *(EBP+12) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) # . . push argv[1] - ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call ascii-difference/disp32 # . . discard args diff --git a/subx/test_apps b/subx/test_apps index edd2116b..4de0ce06 100755 --- a/subx/test_apps +++ b/subx/test_apps @@ -80,7 +80,7 @@ test `uname` = 'Linux' && { echo ex8 CFLAGS=-g ./subx translate examples/ex8.subx -o examples/ex8 -git diff --quiet examples/ex8 +[ "$1" != record ] && git diff --quiet examples/ex8 CFLAGS=-g ./subx run examples/ex8 abcd || ret=$? test $ret -eq 4 # length('abcd') test `uname` = 'Linux' && { @@ -90,7 +90,7 @@ test `uname` = 'Linux' && { echo ex9 CFLAGS=-g ./subx translate examples/ex9.subx -o examples/ex9 -git diff --quiet examples/ex9 +[ "$1" != record ] && git diff --quiet examples/ex9 CFLAGS=-g ./subx run examples/ex9 z x || ret=$? test $ret -eq 2 # 'z' - 'x' test `uname` = 'Linux' && { @@ -100,7 +100,7 @@ test `uname` = 'Linux' && { echo ex10 CFLAGS=-g ./subx translate examples/ex10.subx -o examples/ex10 -git diff --quiet examples/ex10 +[ "$1" != record ] && git diff --quiet examples/ex10 CFLAGS=-g ./subx run examples/ex10 abc abc || ret=$? test $ret -eq 1 # equal CFLAGS=-g ./subx run examples/ex10 abc abcd # 0; not equal @@ -112,7 +112,7 @@ test `uname` = 'Linux' && { echo ex11 CFLAGS=-g ./subx translate examples/ex11.subx -o examples/ex11 -git diff --quiet examples/ex11 +[ "$1" != record ] && git diff --quiet examples/ex11 CFLAGS=-g ./subx run examples/ex11 echo test `uname` = 'Linux' && { @@ -122,7 +122,7 @@ test `uname` = 'Linux' && { echo ex12 CFLAGS=-g ./subx translate examples/ex12.subx -o examples/ex12 -git diff --quiet examples/ex12 +[ "$1" != record ] && git diff --quiet examples/ex12 CFLAGS=-g ./subx run examples/ex12 # final byte of mmap'd address is well-nigh guaranteed to be 0 test `uname` = 'Linux' && examples/ex12 |