diff options
Diffstat (limited to 'baremetal/108write.subx')
| -rw-r--r-- | baremetal/108write.subx | 84 |
1 files changed, 0 insertions, 84 deletions
diff --git a/baremetal/108write.subx b/baremetal/108write.subx index 43e9bf9b..d94c259f 100644 --- a/baremetal/108write.subx +++ b/baremetal/108write.subx @@ -133,88 +133,4 @@ _test-stream: # (stream byte) 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 -== code - -# 3-argument variant of _append -_append-3: # out: (addr byte), outend: (addr byte), s: (addr array byte) -> num_bytes_appended/eax - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # . save registers - 51/push-ecx - # eax = _append-4(out, outend, &s->data[0], &s->data[s->size]) - # . . push &s->data[s->size] - 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 - # . . push &s->data[0] - 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 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) - # . . push out - ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) - # . . call - e8/call _append-4/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp -$_append-3:end: - # . restore registers - 59/pop-to-ecx - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - -# 4-argument variant of _append -_append-4: # out: (addr byte), outend: (addr byte), in: (addr byte), inend: (addr byte) -> num_bytes_appended/eax: int - # . prologue - 55/push-ebp - 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # . save registers - 51/push-ecx - 52/push-edx - 53/push-ebx - 56/push-esi - 57/push-edi - # num_bytes_appended = 0 - b8/copy-to-eax 0/imm32 - # edi = out - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 7/r32/edi 8/disp8 . # copy *(ebp+8) to edi - # edx = outend - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 2/r32/edx 0xc/disp8 . # copy *(ebp+12) to edx - # esi = in - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 0x10/disp8 . # copy *(ebp+16) to esi - # ecx = inend - 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 1/r32/ecx 0x14/disp8 . # copy *(ebp+20) to ecx -$_append-4:loop: - # if (in >= inend) break - 39/compare 3/mod/direct 6/rm32/esi . . . 1/r32/ecx . . # compare esi with ecx - 73/jump-if-addr>= $_append-4:end/disp8 - # if (out >= outend) abort # just to catch test failures fast - 39/compare 3/mod/direct 7/rm32/edi . . . 2/r32/edx . . # compare edi with edx - 73/jump-if-addr>= $_append-4:end/disp8 # TODO: abort - # *out = *in - 8a/copy-byte 0/mod/indirect 6/rm32/esi . . . 3/r32/BL . . # copy byte at *esi to BL - 88/copy-byte 0/mod/indirect 7/rm32/edi . . . 3/r32/BL . . # copy byte at BL to *edi - # ++num_bytes_appended - 40/increment-eax - # ++in - 46/increment-esi - # ++out - 47/increment-edi - eb/jump $_append-4:loop/disp8 -$_append-4:end: - # . restore registers - 5f/pop-to-edi - 5e/pop-to-esi - 5b/pop-to-ebx - 5a/pop-to-edx - 59/pop-to-ecx - # . epilogue - 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp - 5d/pop-to-ebp - c3/return - # . . vim:nowrap:textwidth=0 |