diff options
| author | Kartik Agaram <vc@akkartik.com> | 2019-08-26 11:55:26 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-08-26 11:59:21 -0700 |
| commit | 333525360b22f3d3ea31db46a4d2f1b4edbfebdb (patch) | |
| tree | ed255f308542ba28a99d862d54d4992dcf749622 /077slurp.subx | |
| parent | 22fb844ba4edf14eb85245a35f42e721658c4f8e (diff) | |
| download | mu-333525360b22f3d3ea31db46a4d2f1b4edbfebdb.tar.gz | |
5592 - switch register names to lowercase
Diffstat (limited to '077slurp.subx')
| -rw-r--r-- | 077slurp.subx | 112 |
1 files changed, 56 insertions, 56 deletions
diff --git a/077slurp.subx b/077slurp.subx index 2bf203da..36a95d48 100644 --- a/077slurp.subx +++ b/077slurp.subx @@ -16,77 +16,77 @@ slurp: # f : (address buffered-file), s : (address stream byte) -> <void> # ++f->read # ++s->write # . prolog - 55/push-EBP - 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers - 50/push-EAX - 51/push-ECX - 52/push-EDX - 56/push-ESI - 57/push-EDI - # ESI = f - 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 - # EDI = s - 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 7/r32/EDI 0xc/disp8 . # copy *(EBP+12) to EDI - # EDX = s->write - 8b/copy 0/mod/indirect 7/rm32/EDI . . . 2/r32/EDX . . # copy *EDI to EDX + 50/push-eax + 51/push-ecx + 52/push-edx + 56/push-esi + 57/push-edi + # esi = f + 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 + # edi = s + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 7/r32/edi 0xc/disp8 . # copy *(ebp+12) to edi + # edx = s->write + 8b/copy 0/mod/indirect 7/rm32/edi . . . 2/r32/edx . . # copy *edi to edx $slurp:loop: # if (s->write >= s->length) abort - 3b/compare 1/mod/*+disp8 7/rm32/EDI . . . 2/r32/EDX 8/disp8 . # compare EDX with *(EDI+8) + 3b/compare 1/mod/*+disp8 7/rm32/edi . . . 2/r32/edx 8/disp8 . # compare edx with *(edi+8) 7d/jump-if-greater-or-equal $slurp:abort/disp8 # if (f->read >= f->write) populate stream from file - 3b/compare 1/mod/*+disp8 6/rm32/ESI . . . 1/r32/ECX 4/disp8 . # compare ECX with *(ESI+4) + 3b/compare 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 4/disp8 . # compare ecx with *(esi+4) 7c/jump-if-lesser $slurp:from-stream/disp8 # . clear-stream(stream = f+4) # . . push args - 8d/copy-address 1/mod/*+disp8 6/rm32/ESI . . . 0/r32/EAX 4/disp8 . # copy ESI+4 to EAX - 50/push-EAX + 8d/copy-address 1/mod/*+disp8 6/rm32/esi . . . 0/r32/eax 4/disp8 . # copy esi+4 to eax + 50/push-eax # . . call e8/call clear-stream/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP - # . f->read must now be 0; update its cache at ECX - 31/xor 3/mod/direct 1/rm32/ECX . . . 1/r32/ECX . . # clear ECX - # . EAX = read(f->fd, stream = f+4) + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp + # . f->read must now be 0; update its cache at ecx + 31/xor 3/mod/direct 1/rm32/ecx . . . 1/r32/ecx . . # clear ecx + # . eax = read(f->fd, stream = f+4) # . . push args - 50/push-EAX - ff 6/subop/push 0/mod/indirect 6/rm32/ESI . . . . . . # push *ESI + 50/push-eax + ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi # . . call e8/call read/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # if (f->write == 0) break - # since f->read was initially 0, EAX is the same as f->write - # . if (EAX == 0) return true - 3d/compare-EAX-and 0/imm32 + # since f->read was initially 0, eax is the same as f->write + # . if (eax == 0) return true + 3d/compare-eax-and 0/imm32 74/jump-if-equal $slurp:end/disp8 $slurp:from-stream: # AL = f->data[f->read] - 31/xor 3/mod/direct 0/rm32/EAX . . . 0/r32/EAX . . # clear EAX - 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/ESI 1/index/ECX . 0/r32/AL 0x10/disp8 . # copy byte at *(ESI+ECX+16) to AL + 31/xor 3/mod/direct 0/rm32/eax . . . 0/r32/eax . . # clear eax + 8a/copy-byte 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 0/r32/AL 0x10/disp8 . # copy byte at *(esi+ecx+16) to AL # s->data[s->write] = AL - 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/EDI 2/index/EDX . 0/r32/AL 0xc/disp8 . # copy AL to *(EDI+EDX+12) + 88/copy-byte 1/mod/*+disp8 4/rm32/sib 7/base/edi 2/index/edx . 0/r32/AL 0xc/disp8 . # copy AL to *(edi+edx+12) # ++f->read - 41/increment-ECX + 41/increment-ecx # ++s->write - 42/increment-EDX + 42/increment-edx eb/jump $slurp:loop/disp8 $slurp:end: # save f->read - 89/copy 1/mod/*+disp8 6/rm32/ESI . . . 1/r32/ECX 8/disp8 . # copy ECX to *(ESI+8) + 89/copy 1/mod/*+disp8 6/rm32/esi . . . 1/r32/ecx 8/disp8 . # copy ecx to *(esi+8) # save s->write - 89/copy 0/mod/indirect 7/rm32/EDI . . . 2/r32/EDX . . # copy EDX to *EDI + 89/copy 0/mod/indirect 7/rm32/edi . . . 2/r32/edx . . # copy edx to *edi # . restore registers - 5f/pop-to-EDI - 5e/pop-to-ESI - 5a/pop-to-EDX - 59/pop-to-ECX - 58/pop-to-EAX + 5f/pop-to-edi + 5e/pop-to-esi + 5a/pop-to-edx + 59/pop-to-ecx + 58/pop-to-eax # . epilog - 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP - 5d/pop-to-EBP + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp c3/return $slurp:abort: @@ -97,10 +97,10 @@ $slurp:abort: # . . call e8/call _write/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # . syscall(exit, 1) - bb/copy-to-EBX 1/imm32 - b8/copy-to-EAX 1/imm32/exit + bb/copy-to-ebx 1/imm32 + b8/copy-to-eax 1/imm32/exit cd/syscall 0x80/imm8 # never gets here @@ -112,23 +112,23 @@ test-slurp: # . . call e8/call clear-stream/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # . clear-stream(_test-buffered-file+4) # . . push args - b8/copy-to-EAX _test-buffered-file/imm32 - 05/add-to-EAX 4/imm32 - 50/push-EAX + b8/copy-to-eax _test-buffered-file/imm32 + 05/add-to-eax 4/imm32 + 50/push-eax # . . call e8/call clear-stream/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # . clear-stream(_test-tmp-stream) # . . push args 68/push _test-tmp-stream/imm32 # . . call e8/call clear-stream/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # write(_test-stream, "ab\ncd") # . . push args 68/push "ab\ncd"/imm32 @@ -136,16 +136,16 @@ test-slurp: # . . call e8/call write/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # read a line from _test-stream (buffered by _test-buffered-file) into _test-tmp-stream - # . EAX = slurp(_test-buffered-file, _test-tmp-stream) + # . eax = slurp(_test-buffered-file, _test-tmp-stream) # . . push args 68/push _test-tmp-stream/imm32 68/push _test-buffered-file/imm32 # . . call e8/call slurp/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-stream-equal(_test-tmp-stream, "ab\ncd", msg) # . . push args 68/push "F - test-slurp"/imm32 @@ -154,7 +154,7 @@ test-slurp: # . . call e8/call check-stream-equal/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # end c3/return |