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| author | Kartik K. Agaram <vc@akkartik.com> | 2021-03-14 19:25:39 -0700 |
|---|---|---|
| committer | Kartik K. Agaram <vc@akkartik.com> | 2021-03-14 19:25:39 -0700 |
| commit | 1dc1a65ea054159ba315f624e6c2f95ee83e6d44 (patch) | |
| tree | 87a4ffed0d38f842f2d389fd19eb97bdee40f44e | |
| parent | 499aad0bc7360bb7f4de09600a183ac655611983 (diff) | |
| download | mu-1dc1a65ea054159ba315f624e6c2f95ee83e6d44.tar.gz | |
survey_baremetal: support /imm8
| -rwxr-xr-x | linux/survey_baremetal | bin | 51427 -> 51449 bytes | |||
| -rw-r--r-- | linux/survey_baremetal.subx | 16 |
2 files changed, 14 insertions, 2 deletions
diff --git a/linux/survey_baremetal b/linux/survey_baremetal index 47775832..c14bc7fc 100755 --- a/linux/survey_baremetal +++ b/linux/survey_baremetal Binary files differdiff --git a/linux/survey_baremetal.subx b/linux/survey_baremetal.subx index 5dd502f0..1d904b22 100644 --- a/linux/survey_baremetal.subx +++ b/linux/survey_baremetal.subx @@ -1070,7 +1070,7 @@ $emit-output:check-metadata: # . esi = eax 89/copy 3/mod/direct 6/rm32/esi . . . 0/r32/eax . . # copy eax to esi $emit-output:check-imm8: - # if (has-metadata?(word-slice, "imm8")) abort + # if (!has-metadata?(word-slice, "imm8")) goto next check # . eax = has-metadata?(edx, "imm8") # . . push args 68/push "imm8"/imm32 @@ -1081,7 +1081,19 @@ $emit-output:check-imm8: 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # . if (eax != false) abort 3d/compare-eax-and 0/imm32/false - 0f 85/jump-if-!= $emit-output:imm8-abort/disp32 + 74/jump-if-= $emit-output:check-imm32/disp8 +$emit-output:emit-imm8: + # emit-hex(out, *address, 1) + # . . push args + 68/push 1/imm32 + ff 6/subop/push 0/mod/indirect 6/rm32/esi . . . . . . # push *esi + 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-imm32: # if (!has-metadata?(word-slice, "imm32")) goto next check # . eax = has-metadata?(edx, "imm32") |