diff options
Diffstat (limited to 'subx/apps/survey.subx')
| -rw-r--r-- | subx/apps/survey.subx | 207 |
1 files changed, 135 insertions, 72 deletions
diff --git a/subx/apps/survey.subx b/subx/apps/survey.subx index 102e5793..c533dbfa 100644 --- a/subx/apps/survey.subx +++ b/subx/apps/survey.subx @@ -135,6 +135,15 @@ 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 + # write(2/stderr, "compute-offsets\n") {{{ + # . . push args + 68/push "compute-offsets\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 + # }}} # compute-offsets(in, segments, labels) # . . push args 52/push-EDX @@ -144,6 +153,15 @@ convert: # in : (address buffered-file), out : (address buffered-file) -> <void e8/call compute-offsets/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # write(2/stderr, "compute-addresses\n") {{{ + # . . push args + 68/push "compute-addresses\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 + # }}} # compute-addresses(segments, labels) # . . push args 52/push-EDX @@ -159,6 +177,15 @@ convert: # in : (address buffered-file), out : (address buffered-file) -> <void e8/call rewind-stream/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + # write(2/stderr, "emit-output\n") {{{ + # . . push args + 68/push "emit-output\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 *Trace-stream {{{ #? # . write(2/stderr, "^") #? # . . push args @@ -1586,6 +1613,15 @@ emit-output: # in : (address buffered-file), out : (address buffered-file), seg # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # write(2/stderr, "emit-headers\n") {{{ + # . . push args + 68/push "emit-headers\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-headers(out, segments, labels) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x14/disp8 . # push *(EBP+20) @@ -1595,6 +1631,15 @@ emit-output: # in : (address buffered-file), out : (address buffered-file), seg e8/call emit-headers/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + # write(2/stderr, "emit-segments\n") {{{ + # . . push args + 68/push "emit-segments\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-segments(in, out, segments, labels) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x14/disp8 . # push *(EBP+20) @@ -2376,7 +2421,7 @@ emit-headers: # out : (address buffered-file), segments : (address stream {stri # while true # if (curr-segment >= max) break # emit-elf-program-header-entry(out, curr-segment) - # curr-segment += 20 # size of a row + # curr-segment += 16 # size of a row # # . prolog 55/push-EBP @@ -2384,6 +2429,15 @@ emit-headers: # out : (address buffered-file), segments : (address stream {stri # . save registers 50/push-EAX 51/push-ECX + # write(2/stderr, "emit-elf-header\n") {{{ + # . . push args + 68/push "emit-elf-header\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-header(out, segments, labels) # . . push args ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 0x10/disp8 . # push *(EBP+16) @@ -2405,75 +2459,84 @@ $emit-headers:loop: # if (curr-segment >= max) break 39/compare 3/mod/direct 0/rm32/EAX . . . 1/r32/ECX . . # compare EAX with ECX 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 -#? # }}} + # 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 + # }}} + # write(2/stderr, "emit-segment-header\n") {{{ + # . . push args + 68/push "emit-segment-header\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(out, curr-segment) # . . push args 50/push-EAX @@ -2482,8 +2545,8 @@ $emit-headers:loop: e8/call emit-elf-program-header-entry/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/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 + # curr-segment += 16 # size of a row + 81 0/subop/add 3/mod/direct 0/rm32/EAX . . . . . 0x10/imm32 # add to EAX e9/jump $emit-headers:loop/disp32 $emit-headers:end: # . restore registers |