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This commit is contained in:
Kartik Agaram 2019-07-09 16:38:54 -07:00
parent d6c6aebef4
commit ca32bfbed8
2 changed files with 4 additions and 15 deletions
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@ -398,8 +398,7 @@ compute-offsets: # in : (address buffered-file), segments : (address stream {st
b8/copy-to-EAX 0/imm32
89/copy 0/mod/indirect 5/rm32/.disp32 . . 0/r32/EAX compute-offsets:file-offset/disp32 # copy EAX to *file-offset
# segment-offset = 0
b8/copy-to-EAX 0/imm32
89/copy 0/mod/indirect 5/rm32/.disp32 . . 0/r32/EAX compute-offsets:segment-offset/disp32 # copy EAX to *segment-offset
c7 0/subop/copy 0/mod/indirect 5/rm32/.disp32 . . . compute-offsets:segment-offset/disp32 0/imm32 # copy to *compute-offsets:word-slice
# line/ECX = new-stream(512, 1)
# . EAX = new-stream(512, 1)
# . . push args
@ -605,9 +604,7 @@ $compute-offsets:construct-next-segment:
# . seg->address = EAX
89/copy 0/mod/indirect 3/rm32/EBX . . . 0/r32/EAX . . # copy EAX to *EBX
# seg->file-offset = *file-offset
# . EAX = *file-offset
b8/copy-to-EAX compute-offsets:file-offset/imm32
8b/copy 0/mod/indirect 0/rm32/EAX . . . 0/r32/EAX . . # copy *EAX to EAX
8b/copy 0/mod/indirect 5/rm32/.disp32 . . 0/r32/EAX compute-offsets:file-offset/disp32 # copy *file-offset to EAX
89/copy 1/mod/*+disp8 3/rm32/EBX . . . 0/r32/EAX 4/disp8 . # copy EAX to *(EBX+4)
# trace-slsns("segment '", curr-segment-name, "' is at file offset ", seg->file-offset/EAX, "")
# . push args
@ -631,17 +628,9 @@ $compute-offsets:else:
# . . discard args
81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP
# segment-offset += width
# . EBX = *segment-offset
8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX compute-offsets:segment-offset/disp32 # copy *segment-offset to EBX
# . *segment-offset/EBX += EAX/width
03/add 3/mod/direct 0/rm32/EAX . . . 3/r32/EBX . . # add EAX to EBX
89/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX compute-offsets:segment-offset/disp32 # copy EBX to *compute-offsets:segment-offset
01/add 0/mod/indirect 5/rm32/.disp32 . . 0/r32/EAX compute-offsets:segment-offset/disp32 # add EAX to *segment-offset
# file-offset += width
# . EBX = *file-offset
8b/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX compute-offsets:file-offset/disp32 # copy *file-offset to EBX
# . *file-offset/EBX += EAX/width
03/add 3/mod/direct 0/rm32/EAX . . . 3/r32/EBX . . # add EAX to EBX
89/copy 0/mod/indirect 5/rm32/.disp32 . . 3/r32/EBX compute-offsets:file-offset/disp32 # copy EBX to *compute-offsets:file-offset
01/add 0/mod/indirect 5/rm32/.disp32 . . 0/r32/EAX compute-offsets:file-offset/disp32 # add EAX to *file-offset
e9/jump $compute-offsets:line-loop/disp32
$compute-offsets:end:
# . reclaim locals