diff options
Diffstat (limited to 'linux/survey_baremetal.subx')
| -rw-r--r-- | linux/survey_baremetal.subx | 29 |
1 files changed, 28 insertions, 1 deletions
diff --git a/linux/survey_baremetal.subx b/linux/survey_baremetal.subx index 53addef9..7097701b 100644 --- a/linux/survey_baremetal.subx +++ b/linux/survey_baremetal.subx @@ -1501,7 +1501,7 @@ $emit-output:check-disp8: 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # . if (eax == false) goto next check 3d/compare-eax-and 0/imm32/false - 74/jump-if-= $emit-output:check-disp32/disp8 + 74/jump-if-= $emit-output:check-disp16/disp8 $emit-output:emit-disp8: # emit-hex(out, *address - address-of-next-instruction, 1) # . . push args @@ -1516,6 +1516,33 @@ $emit-output:emit-disp8: 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # continue e9/jump $emit-output:word-loop/disp32 +$emit-output:check-disp16: + # if (!has-metadata?(word-slice, "disp16")) goto next check + # . eax = has-metadata?(edx, "disp16") + # . . push args + 68/push "disp16"/imm32 + 52/push-edx + # . . call + e8/call has-metadata?/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # . if (eax == false) goto next check + 3d/compare-eax-and 0/imm32/false + 74/jump-if-= $emit-output:check-disp32/disp8 +$emit-output:emit-disp16: + # emit-hex(out, *address - address-of-next-instruction, 2) + # . . push args + 68/push 2/imm32 + 8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax + 29/subtract 3/mod/direct 0/rm32/eax . . . 3/r32/ebx . . # subtract ebx from eax + 50/push-eax + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 0xc/disp8 . # push *(ebp+12) + # . . call + e8/call emit-hex/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp + # continue + e9/jump $emit-output:word-loop/disp32 $emit-output:check-disp32: # if (!has-metadata?(word-slice, "disp32")) abort # . eax = has-metadata?(edx, "disp32") |