From 333525360b22f3d3ea31db46a4d2f1b4edbfebdb Mon Sep 17 00:00:00 2001 From: Kartik Agaram Date: Mon, 26 Aug 2019 11:55:26 -0700 Subject: 5592 - switch register names to lowercase --- 066print-int.subx | 246 +++++++++++++++++++++++++++--------------------------- 1 file changed, 123 insertions(+), 123 deletions(-) (limited to '066print-int.subx') diff --git a/066print-int.subx b/066print-int.subx index c5968837..e4416557 100644 --- a/066print-int.subx +++ b/066print-int.subx @@ -5,57 +5,57 @@ # . op subop mod rm32 base index scale r32 # . 1-3 bytes 3 bits 2 bits 3 bits 3 bits 3 bits 2 bits 2 bits 0/1/2/4 bytes 0/1/2/4 bytes -to-hex-char: # in/EAX : nibble -> out/EAX : byte - # no error checking; accepts argument in EAX - # if (EAX <= 9) return EAX + '0' - 3d/compare-EAX-with 0x9/imm32/9 +to-hex-char: # in/eax : nibble -> out/eax : byte + # no error checking; accepts argument in eax + # if (eax <= 9) return eax + '0' + 3d/compare-eax-with 0x9/imm32/9 7f/jump-if-greater $to-hex-char:else/disp8 - 05/add-to-EAX 0x30/imm32/0 + 05/add-to-eax 0x30/imm32/0 c3/return $to-hex-char:else: - # otherwise return EAX + 'a' - 10 - 05/add-to-EAX 0x57/imm32/a-10 + # otherwise return eax + 'a' - 10 + 05/add-to-eax 0x57/imm32/a-10 c3/return append-byte-hex: # f : (address stream), n : int -> # . prolog - 55/push-EBP - 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers - 50/push-EAX + 50/push-eax # AL = convert upper nibble to hex - 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX - c1/shift 5/subop/logic-right 3/mod/direct 0/rm32/EAX . . . . . 4/imm8 # shift EAX right by 4 bits, while padding zeroes - 25/and-EAX 0xf/imm32 + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 0/r32/eax 0xc/disp8 . # copy *(ebp+12) to eax + c1/shift 5/subop/logic-right 3/mod/direct 0/rm32/eax . . . . . 4/imm8 # shift eax right by 4 bits, while padding zeroes + 25/and-eax 0xf/imm32 # . AL = to-hex-char(AL) e8/call to-hex-char/disp32 # append-byte(f, AL) # . . push args - 50/push-EAX - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + 50/push-eax + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) # . . call e8/call append-byte/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # AL = convert lower nibble to hex - 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX - 25/and-EAX 0xf/imm32 + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 0/r32/eax 0xc/disp8 . # copy *(ebp+12) to eax + 25/and-eax 0xf/imm32 # . AL = to-hex-char(AL) e8/call to-hex-char/disp32 # append-byte(f, AL) # . . push args - 50/push-EAX - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + 50/push-eax + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) # . . call e8/call append-byte/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp $append-byte-hex:end: # . restore registers - 58/pop-to-EAX + 58/pop-to-eax # . epilog - 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP - 5d/pop-to-EBP + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp c3/return test-append-byte-hex: @@ -67,7 +67,7 @@ test-append-byte-hex: # . . call e8/call clear-stream/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # append-byte-hex(_test-stream, 0xa) # exercises digit, non-digit as well as leading zero # . . push args 68/push 0xa/imm32 @@ -75,7 +75,7 @@ test-append-byte-hex: # . . call e8/call append-byte-hex/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-stream-equal(_test-stream, "0a", msg) # . . push args 68/push "F - test-append-byte-hex"/imm32 @@ -84,50 +84,50 @@ test-append-byte-hex: # . . call e8/call check-stream-equal/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . end c3/return # print the hex representation for the lowest byte of a number print-byte-buffered: # f : (address buffered-file), n : int -> # . prolog - 55/push-EBP - 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers - 50/push-EAX + 50/push-eax # AL = convert upper nibble to hex - 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX - c1/shift 5/subop/logic-right 3/mod/direct 0/rm32/EAX . . . . . 4/imm8 # shift EAX right by 4 bits, while padding zeroes - 25/and-EAX 0xf/imm32 + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 0/r32/eax 0xc/disp8 . # copy *(ebp+12) to eax + c1/shift 5/subop/logic-right 3/mod/direct 0/rm32/eax . . . . . 4/imm8 # shift eax right by 4 bits, while padding zeroes + 25/and-eax 0xf/imm32 # . AL = to-hex-char(AL) e8/call to-hex-char/disp32 # write-byte-buffered(f, AL) # . . push args - 50/push-EAX - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + 50/push-eax + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) # . . call e8/call write-byte-buffered/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # AL = convert lower nibble to hex - 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX - 25/and-EAX 0xf/imm32 + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 0/r32/eax 0xc/disp8 . # copy *(ebp+12) to eax + 25/and-eax 0xf/imm32 # . AL = to-hex-char(AL) e8/call to-hex-char/disp32 # write-byte-buffered(f, AL) # . . push args - 50/push-EAX - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + 50/push-eax + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) # . . call e8/call write-byte-buffered/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp $print-byte-buffered:end: # . restore registers - 58/pop-to-EAX + 58/pop-to-eax # . epilog - 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP - 5d/pop-to-EBP + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp c3/return test-print-byte-buffered: @@ -139,16 +139,16 @@ test-print-byte-buffered: # . . call e8/call clear-stream/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # . clear-stream(_test-buffered-file+4) # . . push args - b8/copy-to-EAX _test-buffered-file/imm32 - 05/add-to-EAX 4/imm32 - 50/push-EAX + b8/copy-to-eax _test-buffered-file/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 + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # print-byte-buffered(_test-buffered-file, 0xa) # exercises digit, non-digit as well as leading zero # . . push args 68/push 0xa/imm32 @@ -156,14 +156,14 @@ test-print-byte-buffered: # . . call e8/call print-byte-buffered/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # flush(_test-buffered-file) # . . push args 68/push _test-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # check-stream-equal(_test-stream, "0a", msg) # . . push args 68/push "F - test-print-byte-buffered"/imm32 @@ -172,66 +172,66 @@ test-print-byte-buffered: # . . call e8/call check-stream-equal/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . end c3/return print-int32: # f : (address stream), n : int -> # pseudocode: # write(f, "0x") - # ECX = 28 + # ecx = 28 # while true - # if (ECX < 0) break - # EAX = n >> ECX - # EAX = EAX & 0xf + # if (ecx < 0) break + # eax = n >> ecx + # eax = eax & 0xf # append-byte(f, AL) - # ECX -= 4 + # ecx -= 4 # # . prolog - 55/push-EBP - 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers - 50/push-EAX - 51/push-ECX - # ECX = 28 - b9/copy-to-ECX 0x1c/imm32 + 50/push-eax + 51/push-ecx + # ecx = 28 + b9/copy-to-ecx 0x1c/imm32 $print-int32:print-hex-prefix: # write(f, "0x") # . . push args 68/push "0x"/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) # . . call e8/call write/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp $print-int32:loop: - # if (ECX < 0) break - 81 7/subop/compare 3/mod/direct 1/rm32/ECX . . . . . 0/imm32 # compare ECX + # if (ecx < 0) break + 81 7/subop/compare 3/mod/direct 1/rm32/ecx . . . . . 0/imm32 # compare ecx 7c/jump-if-lesser $print-int32:end/disp8 - # EAX = n >> ECX - 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX - d3/>>ECX 5/subop/pad-zeroes 3/mod/direct 0/rm32/EAX . . . . . . # shift EAX right by ECX bits, padding zeroes - # EAX = to-hex-char(AL) - 25/and-EAX 0xf/imm32 + # eax = n >> ecx + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 0/r32/eax 0xc/disp8 . # copy *(ebp+12) to eax + d3/>>ecx 5/subop/pad-zeroes 3/mod/direct 0/rm32/eax . . . . . . # shift eax right by ecx bits, padding zeroes + # eax = to-hex-char(AL) + 25/and-eax 0xf/imm32 e8/call to-hex-char/disp32 # append-byte(f, AL) # . . push args - 50/push-EAX - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + 50/push-eax + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) # . . call e8/call append-byte/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # ECX -= 4 - 81 5/subop/subtract 3/mod/direct 1/rm32/ECX . . . . . 4/imm32 # subtract from ECX + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # ecx -= 4 + 81 5/subop/subtract 3/mod/direct 1/rm32/ecx . . . . . 4/imm32 # subtract from ecx eb/jump $print-int32:loop/disp8 $print-int32:end: # . restore registers - 59/pop-to-ECX - 58/pop-to-EAX + 59/pop-to-ecx + 58/pop-to-eax # . epilog - 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP - 5d/pop-to-EBP + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp c3/return test-print-int32: @@ -243,7 +243,7 @@ test-print-int32: # . . call e8/call clear-stream/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # print-int32(_test-stream, 0x8899aa) # . . push args 68/push 0x8899aa/imm32 @@ -251,7 +251,7 @@ test-print-int32: # . . call e8/call print-int32/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # check-stream-equal(_test-stream, "0x008899aa", msg) # . . push args 68/push "F - test-print-int32"/imm32 @@ -260,66 +260,66 @@ test-print-int32: # . . call e8/call check-stream-equal/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . end c3/return print-int32-buffered: # f : (address buffered-file), n : int -> # pseudocode: # write-buffered(f, "0x") - # ECX = 28 + # ecx = 28 # while true - # if (ECX < 0) break - # EAX = n >> ECX - # EAX = EAX & 0xf + # if (ecx < 0) break + # eax = n >> ecx + # eax = eax & 0xf # write-byte-buffered(f, AL) - # ECX -= 4 + # ecx -= 4 # # . prolog - 55/push-EBP - 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP + 55/push-ebp + 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers - 50/push-EAX - 51/push-ECX - # ECX = 28 - b9/copy-to-ECX 0x1c/imm32 + 50/push-eax + 51/push-ecx + # ecx = 28 + b9/copy-to-ecx 0x1c/imm32 $print-int32-buffered:print-hex-prefix: # write-buffered(f, "0x") # . . push args 68/push "0x"/imm32 - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) # . . call e8/call write-buffered/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp $print-int32-buffered:loop: - # if (ECX < 0) break - 81 7/subop/compare 3/mod/direct 1/rm32/ECX . . . . . 0/imm32 # compare ECX + # if (ecx < 0) break + 81 7/subop/compare 3/mod/direct 1/rm32/ecx . . . . . 0/imm32 # compare ecx 7c/jump-if-lesser $print-int32-buffered:end/disp8 - # EAX = n >> ECX - 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 0/r32/EAX 0xc/disp8 . # copy *(EBP+12) to EAX - d3/>>ECX 5/subop/pad-zeroes 3/mod/direct 0/rm32/EAX . . . . . . # shift EAX right by ECX bits, padding zeroes - # EAX = to-hex-char(AL) - 25/and-EAX 0xf/imm32 + # eax = n >> ecx + 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 0/r32/eax 0xc/disp8 . # copy *(ebp+12) to eax + d3/>>ecx 5/subop/pad-zeroes 3/mod/direct 0/rm32/eax . . . . . . # shift eax right by ecx bits, padding zeroes + # eax = to-hex-char(AL) + 25/and-eax 0xf/imm32 e8/call to-hex-char/disp32 # write-byte-buffered(f, AL) # . . push args - 50/push-EAX - ff 6/subop/push 1/mod/*+disp8 5/rm32/EBP . . . . 8/disp8 . # push *(EBP+8) + 50/push-eax + ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) # . . call e8/call write-byte-buffered/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP - # ECX -= 4 - 81 5/subop/subtract 3/mod/direct 1/rm32/ECX . . . . . 4/imm32 # subtract from ECX + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp + # ecx -= 4 + 81 5/subop/subtract 3/mod/direct 1/rm32/ecx . . . . . 4/imm32 # subtract from ecx eb/jump $print-int32-buffered:loop/disp8 $print-int32-buffered:end: # . restore registers - 59/pop-to-ECX - 58/pop-to-EAX + 59/pop-to-ecx + 58/pop-to-eax # . epilog - 89/copy 3/mod/direct 4/rm32/ESP . . . 5/r32/EBP . . # copy EBP to ESP - 5d/pop-to-EBP + 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp + 5d/pop-to-ebp c3/return test-print-int32-buffered: @@ -331,16 +331,16 @@ test-print-int32-buffered: # . . call e8/call clear-stream/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # . clear-stream(_test-buffered-file+4) # . . push args - b8/copy-to-EAX _test-buffered-file/imm32 - 05/add-to-EAX 4/imm32 - 50/push-EAX + b8/copy-to-eax _test-buffered-file/imm32 + 05/add-to-eax 4/imm32 + 50/push-eax # . . call e8/call clear-stream/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp # print-int32-buffered(_test-buffered-file, 0x8899aa) # . . push args 68/push 0x8899aa/imm32 @@ -348,14 +348,14 @@ test-print-int32-buffered: # . . call e8/call print-int32-buffered/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # flush(_test-buffered-file) # . . push args 68/push _test-buffered-file/imm32 # . . call e8/call flush/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 4/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp #? # dump line {{{ #? # . write-stream(2/stderr, line) #? # . . push args @@ -364,7 +364,7 @@ test-print-int32-buffered: #? # . . call #? e8/call write-stream/disp32 #? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp #? # . write(2/stderr, "$\n") #? # . . push args #? 68/push "$\n"/imm32 @@ -372,7 +372,7 @@ test-print-int32-buffered: #? # . . call #? e8/call write/disp32 #? # . . discard args -#? 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 8/imm32 # add to ESP +#? 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp #? # }}} # check-stream-equal(_test-stream, "0x008899aa", msg) # . . push args @@ -382,7 +382,7 @@ test-print-int32-buffered: # . . call e8/call check-stream-equal/disp32 # . . discard args - 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . . 0xc/imm32 # add to ESP + 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp # . end c3/return -- cgit 1.4.1-2-gfad0