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| author | Kartik Agaram <vc@akkartik.com> | 2020-04-08 01:26:59 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2020-04-08 01:26:59 -0700 |
| commit | 667346087120d2296c2b9ae0dcd9c0965efab7e5 (patch) | |
| tree | 04a1ad4290805ebc5e5bdee2effdbf5babdbe9b9 /apps/survey.subx | |
| parent | 5ff8a99178991b1c6302b26c66ddf0d7b81d66c6 (diff) | |
| download | mu-667346087120d2296c2b9ae0dcd9c0965efab7e5.tar.gz | |
6198
Diffstat (limited to 'apps/survey.subx')
| -rw-r--r-- | apps/survey.subx | 24 |
1 files changed, 10 insertions, 14 deletions
diff --git a/apps/survey.subx b/apps/survey.subx index 0639fe92..a8c8f8af 100644 --- a/apps/survey.subx +++ b/apps/survey.subx @@ -1508,14 +1508,14 @@ $compute-addresses:segment-break: #? # }}} # esi = labels 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 6/r32/esi 0xc/disp8 . # copy *(ebp+12) to esi - # var lrow/eax: (addr label-row) = labels->data - 8d/copy-address 1/mod/*+disp8 6/rm32/esi . . . 0/r32/eax 0xc/disp8 . # copy esi+12 to eax # var max/ecx: (addr byte) = &labels->data[labels->write] 8b/copy 0/mod/indirect 6/rm32/esi . . . 1/r32/ecx . . # copy *esi to ecx - 01/add 3/mod/direct 1/rm32/ecx . . . 6/r32/esi . . # add esi to ecx + 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 1/index/ecx . 1/r32/ecx 0xc/disp8 . # copy esi+ecx+12 to ecx + # var lrow/esi: (addr label-row) = labels->data + 8d/copy-address 1/mod/*+disp8 6/rm32/esi . . . 6/r32/esi 0xc/disp8 . # copy esi+12 to esi $compute-addresses:label-loop: # if (lrow >= max) break - 39/compare 3/mod/direct 0/rm32/eax . . . 1/r32/ecx . . # compare eax with ecx + 39/compare 3/mod/direct 6/rm32/esi . . . 1/r32/ecx . . # compare esi with ecx 0f 83/jump-if-addr>= $compute-addresses:end/disp32 #? # dump lrow->key {{{ #? # . write(2/stderr, "label: ") @@ -1528,7 +1528,7 @@ $compute-addresses:label-loop: #? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp #? # . write(2/stderr, lrow->key) #? # . . push args -#? ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax +#? ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi #? 68/push 2/imm32/stderr #? # . . call #? e8/call write/disp32 @@ -1544,7 +1544,7 @@ $compute-addresses:label-loop: #? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp #? # }}} # var seg-name/edx: (addr array byte) = lrow->segment-name - 8b/copy 1/mod/*+disp8 0/rm32/eax . . . 2/r32/edx 4/disp8 . # copy *eax to edx + 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 2/r32/edx 4/disp8 . # copy *esi to edx #? # dump seg-name {{{ #? # . write(2/stderr, "compute-addresses: seg-name: ") #? # . . push args @@ -1572,8 +1572,6 @@ $compute-addresses:label-loop: #? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp #? # }}} # var label-seg/edx: (addr segment-info) = get(segments, seg-name, row-size=16, "segment table") - # . save eax - 50/push-eax # . eax = get(segments, seg-name, row-size=16) # . . push args 68/push "segment table"/imm32 @@ -1586,27 +1584,25 @@ $compute-addresses:label-loop: 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp # . edx = eax 89/copy 3/mod/direct 2/rm32/edx . . . 0/r32/eax . . # copy eax to edx - # . restore eax - 58/pop-to-eax # ebx = label-seg->address 8b/copy 0/mod/indirect 2/rm32/edx . . . 3/r32/ebx . . # copy *edx to ebx # ebx += lrow->segment-offset - 03/add 1/mod/*+disp8 0/rm32/eax . . . 3/r32/ebx 8/disp8 . # add *(eax+8) to ebx + 03/add 1/mod/*+disp8 6/rm32/esi . . . 3/r32/ebx 8/disp8 . # add *(esi+8) to ebx # lrow->address = ebx - 89/copy 1/mod/*+disp8 0/rm32/eax . . . 3/r32/ebx 0xc/disp8 . # copy ebx to *(eax+12) + 89/copy 1/mod/*+disp8 6/rm32/esi . . . 3/r32/ebx 0xc/disp8 . # copy ebx to *(esi+12) # trace-sssns("label " lrow->key " is at address " lrow->address ".") # . . push args 68/push "."/imm32 53/push-ebx 68/push "' is at address "/imm32 - ff 6/subop/push 0/mod/indirect 0/rm32/eax . . . . . . # push *eax + ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi 68/push "label '"/imm32 # . . call e8/call trace-sssns/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x14/imm32 # add to esp # lrow += 16 # size of row - 05/add-to-eax 0x10/imm32 + 81 0/subop/add 3/mod/direct 6/rm32/esi . . . . . 0x10/imm32 # add to esi e9/jump $compute-addresses:label-loop/disp32 $compute-addresses:end: # . restore registers |