diff options
| author | Kartik Agaram <vc@akkartik.com> | 2019-04-01 13:03:27 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-04-01 13:03:27 -0700 |
| commit | 80571f736e19129d54574600047c149ccdf26c49 (patch) | |
| tree | 20ecab890f71377c28ef305973358b6f4d7ac4c7 /subx/apps | |
| parent | 04e751db738bd4e96fbcae68a35739d0fe35ec1f (diff) | |
| download | mu-80571f736e19129d54574600047c149ccdf26c49.tar.gz | |
5046
Diffstat (limited to 'subx/apps')
| -rwxr-xr-x | subx/apps/pack | bin | 31377 -> 31305 bytes | |||
| -rw-r--r-- | subx/apps/pack.subx | 124 |
2 files changed, 52 insertions, 72 deletions
diff --git a/subx/apps/pack b/subx/apps/pack index 772b4306..c4e58764 100755 --- a/subx/apps/pack +++ b/subx/apps/pack Binary files differdiff --git a/subx/apps/pack.subx b/subx/apps/pack.subx index 5075243d..16350a5a 100644 --- a/subx/apps/pack.subx +++ b/subx/apps/pack.subx @@ -2459,21 +2459,11 @@ $emit-disp:check-for-disp32: 74/jump-if-equal $emit-disp:check-for-disp16/disp8 $emit-disp:disp32: # disp = parse-hex-int(next-token-from-slice(slice->start, slice->end, '/')) - # . slice = next-token-from-slice(slice->start, slice->end, '/') - # . . push args - 51/push-ECX - 68/push 0x2f/imm32/slash - ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 4/disp8 . # push *(ECX+4) - ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX - # . . call - e8/call next-token-from-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP - # . EAX = parse-hex-int(slice) + # . EAX = parse-datum-of-word(slice) # . . push args 51/push-ECX # . . call - e8/call parse-hex-int/disp32 + e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . disp = EAX @@ -2504,21 +2494,11 @@ $emit-disp:check-for-disp16: 74/jump-if-equal $emit-disp:check-for-disp8/disp8 $emit-disp:disp16: # disp = parse-hex-int(next-token-from-slice(slice->start, slice->end, '/')) - # . slice = next-token-from-slice(slice->start, slice->end, '/') - # . . push args - 51/push-ECX - 68/push 0x2f/imm32/slash - ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 4/disp8 . # push *(ECX+4) - ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX - # . . call - e8/call next-token-from-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP - # . EAX = parse-hex-int(slice) + # . EAX = parse-datum-of-word(slice) # . . push args 51/push-ECX # . . call - e8/call parse-hex-int/disp32 + e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . disp = EAX @@ -2549,21 +2529,11 @@ $emit-disp:check-for-disp8: 0f 84/jump-if-equal $emit-disp:loop/disp32 $emit-disp:disp8: # slice = parse-hex-int(next-token-from-slice(slice->start, slice->end, '/')) - # . slice = next-token-from-slice(slice->start, slice->end, '/') - # . . push args - 51/push-ECX - 68/push 0x2f/imm32/slash - ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 4/disp8 . # push *(ECX+4) - ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX - # . . call - e8/call next-token-from-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP - # . EAX = parse-hex-int(slice) + # . EAX = parse-datum-of-word(slice) # . . push args 51/push-ECX # . . call - e8/call parse-hex-int/disp32 + e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . disp = EAX @@ -2731,21 +2701,11 @@ $emit-imm:check-for-imm32: 74/jump-if-equal $emit-imm:check-for-imm16/disp8 $emit-imm:imm32: # imm = parse-hex-int(next-token-from-slice(slice->start, slice->end, '/')) - # . slice = next-token-from-slice(slice->start, slice->end, '/') - # . . push args - 51/push-ECX - 68/push 0x2f/imm32/slash - ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 4/disp8 . # push *(ECX+4) - ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX - # . . call - e8/call next-token-from-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP - # . EAX = parse-hex-int(slice) + # . EAX = parse-datum-of-word(slice) # . . push args 51/push-ECX # . . call - e8/call parse-hex-int/disp32 + e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . imm = EAX @@ -2776,21 +2736,11 @@ $emit-imm:check-for-imm16: 74/jump-if-equal $emit-imm:check-for-imm8/disp8 $emit-imm:imm16: # imm = parse-hex-int(next-token-from-slice(slice->start, slice->end, '/')) - # . slice = next-token-from-slice(slice->start, slice->end, '/') + # . EAX = parse-datum-of-word(slice) # . . push args 51/push-ECX - 68/push 0x2f/imm32/slash - ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 4/disp8 . # push *(ECX+4) - ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX # . . call - e8/call next-token-from-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP - # . EAX = parse-hex-int(slice) - # . . push args - 51/push-ECX - # . . call - e8/call parse-hex-int/disp32 + e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . imm = EAX @@ -2821,21 +2771,11 @@ $emit-imm:check-for-imm8: 0f 84/jump-if-equal $emit-imm:loop/disp32 $emit-imm:imm8: # slice = parse-hex-int(next-token-from-slice(slice->start, slice->end, '/')) - # . slice = next-token-from-slice(slice->start, slice->end, '/') - # . . push args - 51/push-ECX - 68/push 0x2f/imm32/slash - ff 6/subop/push 1/mod/*+disp8 1/rm32/ECX . . . . 4/disp8 . # push *(ECX+4) - ff 6/subop/push 0/mod/indirect 1/rm32/ECX . . . . . . # push *ECX - # . . call - e8/call next-token-from-slice/disp32 - # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP - # . EAX = parse-hex-int(slice) + # . EAX = parse-datum-of-word(slice) # . . push args 51/push-ECX # . . call - e8/call parse-hex-int/disp32 + e8/call parse-datum-of-word/disp32 # . . discard args 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP # . imm = EAX @@ -5987,6 +5927,46 @@ test-emit-hex-negative: # . end c3/return +# shortcut for parse-hex-int(next-token-from-slice(word->start, word->end, '/')) +parse-datum-of-word: # word : (address slice) -> value/EAX + # . prolog + 55/push-EBP + 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + # . save registers + 51/push-ECX + 56/push-ESI + # ESI = word + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 8/disp8 . # copy *(EBP+8) to ESI + # var slice/ECX = {0, 0} + 68/push 0/imm32/end + 68/push 0/imm32/start + 89/copy 3/mod/direct 1/rm32/ECX . . . 4/r32/ESP . . # copy ESP to ECX + # slice = next-token-from-slice(word->start, word->end, '/') + # . . push args + 51/push-ECX + 68/push 0x2f/imm32/slash + ff 6/subop/push 1/mod/*+disp8 6/rm32/ESI . . . . 4/disp8 . # push *(ESI+4) + ff 6/subop/push 0/mod/indirect 6/rm32/ESI . . . . . . # push *ESI + # . . call + e8/call next-token-from-slice/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0x10/imm32 # add to ESP + # value/EAX = parse-hex-int(slice) + # . . push args + 51/push-ECX + # . . call + e8/call parse-hex-int/disp32 + # . . discard args + 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP +$parse-datum-of-word:end: + # . restore registers + 5e/pop-to-ESI + 59/pop-to-ECX + # . epilog + 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP + 5d/pop-to-EBP + c3/return + == data _test-slice-negative-two: |