diff options
Diffstat (limited to 'subx')
| -rwxr-xr-x | subx/apps/survey | bin | 37294 -> 37352 bytes | |||
| -rw-r--r-- | subx/apps/survey.subx | 43 |
2 files changed, 16 insertions, 27 deletions
diff --git a/subx/apps/survey b/subx/apps/survey index 5690d862..ee90a577 100755 --- a/subx/apps/survey +++ b/subx/apps/survey Binary files differdiff --git a/subx/apps/survey.subx b/subx/apps/survey.subx index 6d1b4854..b4d968c7 100644 --- a/subx/apps/survey.subx +++ b/subx/apps/survey.subx @@ -337,7 +337,7 @@ compute-offsets:word-slice:end: compute-offsets: # in : (address buffered-file), segments : (address stream {string, segment-info}), labels : (address stream {string, label-info}) # pseudocode: - # var curr-segment-name = 0 + # var curr-segment-name : (address slice) = {0, 0} # var file-offset = 0, segment-offset = 0 # var line = new-stream(512, 1) # while true # line loop @@ -358,9 +358,9 @@ compute-offsets: # in : (address buffered-file), segments : (address stream {st # # labels occupy no space, so no need to increment offsets # continue # if slice-equal?(word-slice, "==") - # if curr-segment-name != 0 - # seg = get-or-insert(segments, curr-segment-name) - # seg->size = *file-offset - seg->starting-offset + # if !slice-empty?(curr-segment-name) + # seg = get-or-insert-slice(segments, curr-segment-name) + # seg->size = *file-offset - seg->file-offset # trace("segment '", curr-segment-name, "' has size 0x", seg->size) # curr-segment-name = next-word(line) # if slice-empty?(curr-segment-name) @@ -368,7 +368,7 @@ compute-offsets: # in : (address buffered-file), segments : (address stream {st # segment-start = next-word(line) # if slice-empty?(segment-start) # abort - # seg = get-or-insert(segments, curr-segment-name) + # seg = get-or-insert-slice(segments, curr-segment-name) # seg->starting-address = parse-hex-int(segment-start) # seg->starting-offset = *file-offset # trace("segment '", curr-segment-name, "' is at file offset 0x", seg->starting-offset) @@ -522,24 +522,18 @@ $compute-offsets:segment: # . if so, goto else 0f 84/jump-if-equal $compute-offsets:else/disp32 # . or fallthrough - # if curr-segment-name == 0, goto construct-next-segment + # if (curr-segment-name->start == 0) goto construct-next-segment 8b/copy 0/mod/indirect 5/rm32/.disp32 . . 0/r32/EAX compute-offsets:curr-segment-name/disp32 # copy *curr-segment-name to EAX 3d/compare-EAX-and 0/imm32 74/jump-if-equal $compute-offsets:construct-next-segment/disp8 - # EAX = slice-to-string(curr-segment-name) - 68/push compute-offsets:curr-segment-name/imm32 - 68/push Heap/imm32 - e8/call slice-to-string/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # seg/EAX = get-or-insert(segments, (string) curr-segment-name/EAX, row-size=16) - # . push args + # seg/EAX = get-or-insert-slice(segments, curr-segment-name, row-size=16) + # . . push args 68/push 0x10/imm32/row-size - 50/push-EAX + 68/push compute-offsets:curr-segment-name/imm32 ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) - # . call - e8/call get-or-insert/disp32 - # . discard args + # . . call + e8/call get-or-insert-slice/disp32 + # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # seg->size/EBX = file-offset - seg->starting-offset # . save ECX @@ -604,17 +598,12 @@ $compute-offsets:construct-next-segment: 0f 84/jump-if-equal $compute-offsets:abort/disp32 # save segment-start/EBX (and prep for parse-hex-int call) 53/push-EBX - # EAX = slice-to-string(curr-segment-name) - 68/push compute-offsets:curr-segment-name/imm32 - 68/push Heap/imm32 - e8/call slice-to-string/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # seg/EBX = get-or-insert(segments, (string) curr-segment-name/EAX, row-size=16) - # . push args + # seg/EBX = get-or-insert-slice(segments, curr-segment-name, row-size=16) + # . . push args 68/push 0x10/imm32/row-size - 50/push-EAX + 68/push compute-offsets:curr-segment-name/imm32 ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) + # . . call e8/call get-or-insert/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP |