diff options
Diffstat (limited to 'subx/apps')
| -rwxr-xr-x | subx/apps/survey | bin | 39901 -> 40299 bytes | |||
| -rw-r--r-- | subx/apps/survey.subx | 339 |
2 files changed, 289 insertions, 50 deletions
diff --git a/subx/apps/survey b/subx/apps/survey index 2e90499c..678b6aaa 100755 --- a/subx/apps/survey +++ b/subx/apps/survey Binary files differdiff --git a/subx/apps/survey.subx b/subx/apps/survey.subx index 87346890..3101fef1 100644 --- a/subx/apps/survey.subx +++ b/subx/apps/survey.subx @@ -135,6 +135,129 @@ convert: # in : (address buffered-file), out : (address buffered-file) -> <void 68/push 0/imm32/read 68/push 0/imm32/write 89/copy 3/mod/direct 2/rm32/EDX . . . 4/r32/ESP . . # copy ESP to EDX +#? # dump segments {{{ +#? # . write(2/stderr, "initial segments: ") +#? # . . push args +#? 68/push "initial segments: "/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . clear-stream(Stderr+4) +#? # . . spill +#? 50/push-EAX +#? # . . push args +#? b8/copy-to-EAX Stderr/imm32 +#? 05/add-to-EAX 4/imm32 +#? 50/push-EAX +#? # . . call +#? e8/call clear-stream/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # . . restore +#? 58/pop-to-EAX +#? # . print-int32-buffered(Stderr, segments) +#? # . . push args +#? 51/push-ECX +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call print-int32-buffered/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . . restore +#? 58/pop-to-EAX +#? # . flush(Stderr) +#? # . . push args +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call flush/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # . write(2/stderr, "\n") +#? # . . push args +#? 68/push "\n"/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # }}} +#? # dump segments[0].name {{{ +#? # . write(2/stderr, "initial segments[0].name: ") +#? # . . push args +#? 68/push "initial segments[0].name: "/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . clear-stream(Stderr+4) +#? # . . spill +#? 50/push-EAX +#? # . . push args +#? b8/copy-to-EAX Stderr/imm32 +#? 05/add-to-EAX 4/imm32 +#? 50/push-EAX +#? # . . call +#? e8/call clear-stream/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # . . restore +#? 58/pop-to-EAX +#? # . print-int32-buffered(Stderr, &curr-segment) +#? # . . spill +#? 50/push-EAX +#? # . . push args +#? 8d/copy-address 1/mod/*+disp8 1/rm32/ECX . . . 0/r32/EAX 0xc/disp8 . # copy ECX+12 to EAX +#? 50/push-EAX +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call print-int32-buffered/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . . restore +#? 58/pop-to-EAX +#? # . flush(Stderr) +#? # . . push args +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call flush/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # . write(2/stderr, " -> ") +#? # . . push args +#? 68/push " -> "/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . print-int32-buffered(Stderr, curr-segment->name) +#? # . . push args +#? ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 0xc/disp8 . # push *(ECX+12) +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call print-int32-buffered/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . flush(Stderr) +#? # . . push args +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call flush/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # . write(2/stderr, "\n") +#? # . . push args +#? 68/push "\n"/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # }}} +# segments: bdff ff2c # compute-offsets(in, segments, labels) # . . push args 52/push-EDX @@ -185,52 +308,52 @@ convert: # in : (address buffered-file), out : (address buffered-file) -> <void #? # . . discard args #? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP #? # }}} - # dump labels->write {{{ - # . write(2/stderr, "labels->write after rewinding input: ") - # . . push args - 68/push "labels->write after rewinding input: "/imm32 - 68/push 2/imm32/stderr - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # . clear-stream(Stderr+4) - # . . save EAX - 50/push-EAX - # . . push args - b8/copy-to-EAX Stderr/imm32 - 05/add-to-EAX 4/imm32 - 50/push-EAX - # . . call - e8/call clear-stream/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP - # . . restore EAX - 58/pop-to-EAX - # . print-int32-buffered(Stderr, labels) - # . . push args - ff 6/subop/push 0/mod/indirect 2/rm32/EDX . . . . . . # push *EDX - 68/push Stderr/imm32 - # . . call - e8/call print-int32-buffered/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # . flush(Stderr) - # . . push args - 68/push Stderr/imm32 - # . . call - e8/call flush/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP - # . write(2/stderr, "\n") - # . . push args - 68/push "\n"/imm32 - 68/push 2/imm32/stderr - # . . call - e8/call write/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # }}} +#? # dump labels->write {{{ +#? # . write(2/stderr, "labels->write after rewinding input: ") +#? # . . push args +#? 68/push "labels->write after rewinding input: "/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . clear-stream(Stderr+4) +#? # . . save EAX +#? 50/push-EAX +#? # . . push args +#? b8/copy-to-EAX Stderr/imm32 +#? 05/add-to-EAX 4/imm32 +#? 50/push-EAX +#? # . . call +#? e8/call clear-stream/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # . . restore EAX +#? 58/pop-to-EAX +#? # . print-int32-buffered(Stderr, labels) +#? # . . push args +#? ff 6/subop/push 0/mod/indirect 2/rm32/EDX . . . . . . # push *EDX +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call print-int32-buffered/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . flush(Stderr) +#? # . . push args +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call flush/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # . write(2/stderr, "\n") +#? # . . push args +#? 68/push "\n"/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # }}} # emit-output(in, out, segments, labels) # . . push args 52/push-EDX @@ -2388,13 +2511,14 @@ emit-headers: # out : (address buffered-file), segments : (address stream {stri # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0xc/disp8 . # push *(EBP+12) +#segments correct here: bdff ff2c ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) # . . call e8/call emit-elf-header/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP # EAX = segments - 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 8/disp8 . # copy *(EBP+8) to EAX + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX # ECX = segments->write 8b/copy 0/mod/indirect 0/rm32/EAX . . . 1/r32/ECX . . # copy *EAX to ECX # curr-segment/EAX = segments->data @@ -2404,7 +2528,76 @@ emit-headers: # out : (address buffered-file), segments : (address stream {stri $emit-headers:loop: # if (curr-segment >= max) break 39/compare 3/mod/direct 0/rm32/EAX . . . 1/r32/ECX . . # compare EAX with ECX - 73/jump-if-greater-or-equal-unsigned $emit-headers:end/disp8 + 0f 83/jump-if-greater-or-equal-unsigned $emit-headers:end/disp32 +#? # dump curr-segment->name {{{ +#? # . write(2/stderr, "about to emit ph entry: segment->name: ") +#? # . . push args +#? 68/push "about to emit ph entry: segment->name: "/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . clear-stream(Stderr+4) +#? # . . save EAX +#? 50/push-EAX +#? # . . push args +#? b8/copy-to-EAX Stderr/imm32 +#? 05/add-to-EAX 4/imm32 +#? 50/push-EAX +#? # . . call +#? e8/call clear-stream/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # . . restore EAX +#? 58/pop-to-EAX +#? # . print-int32-buffered(Stderr, &curr-segment) +#? # . . push args +#? 50/push-EAX +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call print-int32-buffered/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . flush(Stderr) +#? # . . push args +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call flush/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # . write(2/stderr, " -> ") +#? # . . push args +#? 68/push " -> "/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . print-int32-buffered(Stderr, curr-segment->name) +#? # . . push args +#? ff 6/subop/push 0/mod/indirect 0/rm32/EAX . . . . . . # push *EAX +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call print-int32-buffered/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # . flush(Stderr) +#? # . . push args +#? 68/push Stderr/imm32 +#? # . . call +#? e8/call flush/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +#? # . write(2/stderr, "\n") +#? # . . push args +#? 68/push "\n"/imm32 +#? 68/push 2/imm32/stderr +#? # . . call +#? e8/call write/disp32 +#? # . . discard args +#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? # }}} # emit-elf-program-header-entry(curr-segment) # . . push args 50/push-EAX @@ -2414,7 +2607,7 @@ $emit-headers:loop: 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # curr-segment += 20 # size of a row 81 0/subop/add 3/mod/direct 0/rm32/EAX . . . . . 0x14/imm32 # add to EAX - eb/jump $emit-headers:loop/disp8 + e9/jump $emit-headers:loop/disp32 $emit-headers:end: # . restore registers 59/pop-to-ECX @@ -2482,7 +2675,7 @@ $emit-elf-header:end: 5d/pop-to-EBP c3/return -emit-elf-program-header-entry: # curr-segment : {string, segment-info} +emit-elf-program-header-entry: # curr-segment : (address {string, segment-info}) # pseudocode: # *Elf_p_offset = curr-segment->file-offset # *Elf_p_vaddr = curr-segment->address @@ -2503,6 +2696,52 @@ emit-elf-program-header-entry: # curr-segment : {string, segment-info} 56/push-ESI # ESI = curr-segment 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI + # dump curr-segment->name {{{ + # . write(2/stderr, "emit ph entry: segment->name: ") + # . . push args + 68/push "emit ph entry: segment->name: "/imm32 + 68/push 2/imm32/stderr + # . . call + e8/call write/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # . clear-stream(Stderr+4) + # . . save EAX + 50/push-EAX + # . . push args + b8/copy-to-EAX Stderr/imm32 + 05/add-to-EAX 4/imm32 + 50/push-EAX + # . . call + e8/call clear-stream/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + # . . restore EAX + 58/pop-to-EAX + # . print-int32-buffered(Stderr, curr-segment->name) + # . . push args + ff 6/subop/push 0/mod/indirect 6/rm32/ESI . . . . . . # push *EDX + 68/push Stderr/imm32 + # . . call + e8/call print-int32-buffered/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # . flush(Stderr) + # . . push args + 68/push Stderr/imm32 + # . . call + e8/call flush/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + # . write(2/stderr, "\n") + # . . push args + 68/push "\n"/imm32 + 68/push 2/imm32/stderr + # . . call + e8/call write/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + # }}} # *Elf_p_offset = curr-segment->file-offset # . EAX = curr-segment->file-offset 8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 0/r32/EAX 8/disp8 . # copy *(ESI+8) to EAX |