2018-10-17 14:08:47 +00:00
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< span id = "L1" class = "LineNr" > 1 < / span > < span class = "Comment" > # write: like _write, but also support in-memory output streams (`ostream`s)< / span >
< span id = "L2" class = "LineNr" > 2 < / span > < span class = "Comment" > # in addition to file descriptors.< / span >
< span id = "L3" class = "LineNr" > 3 < / span > < span class = "Comment" > #< / span >
< span id = "L4" class = "LineNr" > 4 < / span > < span class = "Comment" > # Our first dependency-injected and testable primitive. We can pass it either< / span >
< span id = "L5" class = "LineNr" > 5 < / span > < span class = "Comment" > # a file descriptor or an address to an output stream or ostream. If a file< / span >
< span id = "L6" class = "LineNr" > 6 < / span > < span class = "Comment" > # descriptor is passed in, we _write to it using the right syscall. If a 'fake< / span >
< span id = "L7" class = "LineNr" > 7 < / span > < span class = "Comment" > # file descriptor' or ostream is passed in, we append to the output stream.< / span >
< span id = "L8" class = "LineNr" > 8 < / span > < span class = "Comment" > # This lets us redirect output in tests and check it later.< / span >
< span id = "L9" class = "LineNr" > 9 < / span > < span class = "Comment" > #< / span >
< span id = "L10" class = "LineNr" > 10 < / span > < span class = "Comment" > # We assume our data segment will never begin at an address shorter than< / span >
< span id = "L11" class = "LineNr" > 11 < / span > < span class = "Comment" > # 0x08000000, so any smaller arguments are assumed to be real file descriptors.< / span >
< span id = "L12" class = "LineNr" > 12 < / span > < span class = "Comment" > #< / span >
< span id = "L13" class = "LineNr" > 13 < / span > < span class = "Comment" > # An ostream looks like this:< / span >
< span id = "L14" class = "LineNr" > 14 < / span > < span class = "Comment" > # write: int # index at which writes go< / span >
< span id = "L15" class = "LineNr" > 15 < / span > < span class = "Comment" > # data: (array byte) # prefixed by length as usual< / span >
< span id = "L16" class = "LineNr" > 16 < / span >
< span id = "L17" class = "LineNr" > 17 < / span > == data
< span id = "L18" class = "LineNr" > 18 < / span >
< span id = "L19" class = "LineNr" > 19 < / span > < span class = "Comment" > # In-memory ostream for tests to write() to.< / span >
< span id = "L20" class = "LineNr" > 20 < / span > < span class = "Comment" > # Also illustrates the layout of ostreams.< / span >
< span id = "L21" class = "LineNr" > 21 < / span > Test-ostream:
< span id = "L22" class = "LineNr" > 22 < / span > < span class = "Comment" > # current write index< / span >
< span id = "L23" class = "LineNr" > 23 < / span > 00 00 00 00
< span id = "L24" class = "LineNr" > 24 < / span > < span class = "Comment" > # length (= 8)< / span >
< span id = "L25" class = "LineNr" > 25 < / span > 08 00 00 00
< span id = "L26" class = "LineNr" > 26 < / span > < span class = "Comment" > # data< / span >
< span id = "L27" class = "LineNr" > 27 < / span > 00 00 00 00 00 00 00 00 < span class = "Comment" > # 8 bytes< / span >
< span id = "L28" class = "LineNr" > 28 < / span >
< span id = "L29" class = "LineNr" > 29 < / span > == code
< span id = "L30" class = "LineNr" > 30 < / span >
< span id = "L31" class = "LineNr" > 31 < / span > < span class = "Comment" > # instruction effective address operand displacement immediate< / span >
< span id = "L32" class = "LineNr" > 32 < / span > < span class = "Comment" > # op subop mod rm32 base index scale r32< / span >
< span id = "L33" class = "LineNr" > 33 < / span > < span class = "Comment" > # 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< / span >
< span id = "L34" class = "LineNr" > 34 < / span >
< span id = "L35" class = "LineNr" > 35 < / span > < span class = "Comment" > # main: (manual test if this is the last file loaded)< / span >
2018-10-25 06:05:58 +00:00
< span id = "L36" class = "LineNr" > 36 < / span > e8/call run-tests/disp32 < span class = "Comment" > # 'run-tests' is a function created automatically by SubX. It calls all functions that start with 'test-'.< / span >
< span id = "L37" class = "LineNr" > 37 < / span > < span class = "Comment" > # syscall(exit, Num-test-failures)< / span >
< span id = "L38" class = "LineNr" > 38 < / span > 8b/copy 0/mod/indirect 5/rm32/.disp32 < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 1/r32/EBX Num-test-failures/disp32 < span class = "Comment" > # copy *Num-test-failures to EBX< / span >
< span id = "L39" class = "LineNr" > 39 < / span > b8/copy-to-EAX 1/imm32
< span id = "L40" class = "LineNr" > 40 < / span > cd/syscall 0x80/imm8
< span id = "L41" class = "LineNr" > 41 < / span >
< span id = "L42" class = "LineNr" > 42 < / span > write: < span class = "Comment" > # f : fd or (address stream), s : (address array byte) -> < void> < / span >
< span id = "L43" class = "LineNr" > 43 < / span > < span class = "Comment" > # prolog< / span >
< span id = "L44" class = "LineNr" > 44 < / span > 55/push-EBP
< span id = "L45" class = "LineNr" > 45 < / span > 89/copy 3/mod/direct 5/rm32/EBP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 4/r32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy ESP to EBP< / span >
< span id = "L46" class = "LineNr" > 46 < / span > < span class = "Comment" > # if (f < 0x08000000) _write(f, s), return # f can't be a user-mode address, so treat it as a kernel file descriptor< / span >
< span id = "L47" class = "LineNr" > 47 < / span > 81 7/subop/compare 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 8/disp8 0x08000000/imm32 < span class = "Comment" > # compare *(EBP+8)< / span >
< span id = "L48" class = "LineNr" > 48 < / span > 7f/jump-if-greater $write:fake/disp8
< span id = "L49" class = "LineNr" > 49 < / span > < span class = "Comment" > # push args< / span >
< span id = "L50" class = "LineNr" > 50 < / span > ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 0xc/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # push *(EBP+12)< / span >
< span id = "L51" class = "LineNr" > 51 < / span > ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 8/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # push *(EBP+8)< / span >
< span id = "L52" class = "LineNr" > 52 < / span > < span class = "Comment" > # call< / span >
< span id = "L53" class = "LineNr" > 53 < / span > e8/call _write/disp32
< span id = "L54" class = "LineNr" > 54 < / span > < span class = "Comment" > # discard args< / span >
< span id = "L55" class = "LineNr" > 55 < / span > 81 0/subop/add 3/mod/direct 4/rm32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 8/imm32 < span class = "Comment" > # add to ESP< / span >
< span id = "L56" class = "LineNr" > 56 < / span > eb/jump $write:end/disp8
< span id = "L57" class = "LineNr" > 57 < / span > $write:fake:
< span id = "L58" class = "LineNr" > 58 < / span > < span class = "Comment" > # otherwise, treat 'f' as a stream to append to< / span >
< span id = "L59" class = "LineNr" > 59 < / span > < span class = "Comment" > # save registers< / span >
< span id = "L60" class = "LineNr" > 60 < / span > 50/push-EAX
< span id = "L61" class = "LineNr" > 61 < / span > 51/push-ECX
< span id = "L62" class = "LineNr" > 62 < / span > 52/push-EDX
< span id = "L63" class = "LineNr" > 63 < / span > 53/push-EBX
< span id = "L64" class = "LineNr" > 64 < / span > < span class = "Comment" > # ECX = f< / span >
< span id = "L65" class = "LineNr" > 65 < / span > 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 1/r32/ECX 8/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy *(EBP+8) to ECX< / span >
< span id = "L66" class = "LineNr" > 66 < / span > < span class = "Comment" > # EDX = f.write< / span >
< span id = "L67" class = "LineNr" > 67 < / span > 8b/copy 0/mod/indirect 1/rm32/ECX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 2/r32/EDX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy *ECX to EDX< / span >
< span id = "L68" class = "LineNr" > 68 < / span > < span class = "Comment" > # EBX = f.length< / span >
< span id = "L69" class = "LineNr" > 69 < / span > 8b/copy 1/mod/*+disp8 1/rm32/ECX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 3/r32/EBX 4/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy *(ECX+4) to EBX< / span >
< span id = "L70" class = "LineNr" > 70 < / span > < span class = "Comment" > # EAX = _append(& f.data[f.write], & f.data[f.length], s)< / span >
< span id = "L71" class = "LineNr" > 71 < / span > < span class = "Comment" > # push s< / span >
< span id = "L72" class = "LineNr" > 72 < / span > ff 6/subop/push 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 0xc/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # push *(EBP+12)< / span >
< span id = "L73" class = "LineNr" > 73 < / span > < span class = "Comment" > # push & f.data[f.length]< / span >
< span id = "L74" class = "LineNr" > 74 < / span > 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ECX 3/index/EBX < span class = "Delimiter" > . < / span > 3/r32/EBX 8/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy ECX+EBX+8 to EBX< / span >
< span id = "L75" class = "LineNr" > 75 < / span > 53/push-EBX
< span id = "L76" class = "LineNr" > 76 < / span > < span class = "Comment" > # push & f.data[f.write]< / span >
< span id = "L77" class = "LineNr" > 77 < / span > 8d/copy-address 1/mod/*+disp8 4/rm32/sib 1/base/ECX 2/index/EDX < span class = "Delimiter" > . < / span > 3/r32/EBX 8/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy ECX+EBX+8 to EBX< / span >
< span id = "L78" class = "LineNr" > 78 < / span > 53/push-EBX
< span id = "L79" class = "LineNr" > 79 < / span > < span class = "Comment" > # call< / span >
< span id = "L80" class = "LineNr" > 80 < / span > e8/call _append/disp32
< span id = "L81" class = "LineNr" > 81 < / span > < span class = "Comment" > # discard args< / span >
< span id = "L82" class = "LineNr" > 82 < / span > 81 0/subop/add 3/mod/direct 4/rm32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 0xc/imm32 < span class = "Comment" > # add to ESP< / span >
< span id = "L83" class = "LineNr" > 83 < / span > < span class = "Comment" > # f.write += EAX< / span >
< span id = "L84" class = "LineNr" > 84 < / span > 01/add 0/mod/indirect 1/rm32/ECX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 0/r32/EAX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Comment" > # add EAX to *ECX< / span >
< span id = "L85" class = "LineNr" > 85 < / span > < span class = "Comment" > # restore registers< / span >
< span id = "L86" class = "LineNr" > 86 < / span > 5b/pop-to-EBX
< span id = "L87" class = "LineNr" > 87 < / span > 5a/pop-to-EDX
< span id = "L88" class = "LineNr" > 88 < / span > 59/pop-to-ECX
< span id = "L89" class = "LineNr" > 89 < / span > 58/pop-to-EAX
< span id = "L90" class = "LineNr" > 90 < / span > $write:end:
< span id = "L91" class = "LineNr" > 91 < / span > < span class = "Comment" > # epilog< / span >
< span id = "L92" class = "LineNr" > 92 < / span > 89/copy 3/mod/direct 4/rm32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 5/r32/EBP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy EBP to ESP< / span >
< span id = "L93" class = "LineNr" > 93 < / span > 5d/pop-to-EBP
< span id = "L94" class = "LineNr" > 94 < / span > c3/return
< span id = "L95" class = "LineNr" > 95 < / span >
< span id = "L96" class = "LineNr" > 96 < / span > clear-ostream: < span class = "Comment" > # f : (address ostream)< / span >
< span id = "L97" class = "LineNr" > 97 < / span > < span class = "Comment" > # prolog< / span >
< span id = "L98" class = "LineNr" > 98 < / span > 55/push-EBP
< span id = "L99" class = "LineNr" > 99 < / span > 89/copy 3/mod/direct 5/rm32/EBP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 4/r32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy ESP to EBP< / span >
< span id = "L100" class = "LineNr" > 100 < / span > < span class = "Comment" > # save registers< / span >
< span id = "L101" class = "LineNr" > 101 < / span > 50/push-EAX
< span id = "L102" class = "LineNr" > 102 < / span > 51/push-ECX
< span id = "L103" class = "LineNr" > 103 < / span > < span class = "Comment" > # EAX = f< / span >
< span id = "L104" class = "LineNr" > 104 < / span > 8b/copy 1/mod/*+disp8 4/rm32/sib 5/base/EBP 4/index/none 0/r32/EAX 8/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy *(EBP+8) to EAX< / span >
< span id = "L105" class = "LineNr" > 105 < / span > < span class = "Comment" > # ECX = f.length< / span >
< span id = "L106" class = "LineNr" > 106 < / span > 8b/copy 1/mod/*+disp8 0/rm32/EAX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 1/r32/ECX 4/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy *(EAX+4) to ECX< / span >
< span id = "L107" class = "LineNr" > 107 < / span > < span class = "Comment" > # ECX = & f.data[f.length]< / span >
< span id = "L108" class = "LineNr" > 108 < / span > 8d/copy-address 1/mod/*+disp8 4/rm32/sib 0/base/EAX 1/index/ECX < span class = "Delimiter" > . < / span > 1/r32/ECX 8/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy EAX+ECX+8 to ECX< / span >
< span id = "L109" class = "LineNr" > 109 < / span > < span class = "Comment" > # f.write = 0< / span >
< span id = "L110" class = "LineNr" > 110 < / span > c7/copy 0/mod/direct 0/rm32/EAX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 0/imm32 < span class = "Comment" > # copy to *EAX< / span >
< span id = "L111" class = "LineNr" > 111 < / span > < span class = "Comment" > # EAX = f.data< / span >
< span id = "L112" class = "LineNr" > 112 < / span > 81 0/subop/add 3/mod/direct 0/rm32/EAX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 8/imm32 < span class = "Comment" > # add to EAX< / span >
< span id = "L113" class = "LineNr" > 113 < / span > < span class = "Comment" > # while (true)< / span >
< span id = "L114" class = "LineNr" > 114 < / span > $clear-ostream:loop:
< span id = "L115" class = "LineNr" > 115 < / span > < span class = "Comment" > # if EAX > = ECX break< / span >
< span id = "L116" class = "LineNr" > 116 < / span > 39/compare 3/mod/direct 0/rm32/EAX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 1/r32/ECX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Comment" > # compare EAX with ECX< / span >
< span id = "L117" class = "LineNr" > 117 < / span > 7d/jump-if-greater-or-equal $clear-ostream:end/disp8
< span id = "L118" class = "LineNr" > 118 < / span > < span class = "Comment" > # *EAX = 0< / span >
< span id = "L119" class = "LineNr" > 119 < / span > c7/copy 0/mod/direct 0/rm32/EAX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 0/imm32 < span class = "Comment" > # copy to *EAX< / span >
< span id = "L120" class = "LineNr" > 120 < / span > < span class = "Comment" > # EAX += 4< / span >
< span id = "L121" class = "LineNr" > 121 < / span > 81 0/subop/add 3/mod/direct 0/rm32/EAX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 4/imm32 < span class = "Comment" > # add to EAX< / span >
< span id = "L122" class = "LineNr" > 122 < / span > eb/jump $clear-ostream:loop/disp8
< span id = "L123" class = "LineNr" > 123 < / span > $clear-ostream:end:
< span id = "L124" class = "LineNr" > 124 < / span > < span class = "Comment" > # restore registers< / span >
< span id = "L125" class = "LineNr" > 125 < / span > 59/pop-to-ECX
< span id = "L126" class = "LineNr" > 126 < / span > 58/pop-to-EAX
< span id = "L127" class = "LineNr" > 127 < / span > < span class = "Comment" > # epilog< / span >
< span id = "L128" class = "LineNr" > 128 < / span > 89/copy 3/mod/direct 4/rm32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 5/r32/EBP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Comment" > # copy EBP to ESP< / span >
< span id = "L129" class = "LineNr" > 129 < / span > 5d/pop-to-EBP
< span id = "L130" class = "LineNr" > 130 < / span > c3/return
< span id = "L131" class = "LineNr" > 131 < / span >
< span id = "L132" class = "LineNr" > 132 < / span > test-write-single:
< span id = "L133" class = "LineNr" > 133 < / span > < span class = "Comment" > # clear-ostream(Test-ostream)< / span >
< span id = "L134" class = "LineNr" > 134 < / span > < span class = "Comment" > # push args< / span >
< span id = "L135" class = "LineNr" > 135 < / span > 68/push Test-ostream/imm32
< span id = "L136" class = "LineNr" > 136 < / span > < span class = "Comment" > # call< / span >
< span id = "L137" class = "LineNr" > 137 < / span > e8/call clear-ostream/disp32
< span id = "L138" class = "LineNr" > 138 < / span > < span class = "Comment" > # discard args< / span >
< span id = "L139" class = "LineNr" > 139 < / span > 81 0/subop/add 3/mod/direct 4/rm32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 4/imm32 < span class = "Comment" > # add to ESP< / span >
< span id = "L140" class = "LineNr" > 140 < / span > < span class = "Comment" > # write(Test-ostream, " Ab" )< / span >
< span id = "L141" class = "LineNr" > 141 < / span > < span class = "Comment" > # push args< / span >
< span id = "L142" class = "LineNr" > 142 < / span > 68/push " Ab" /imm32
< span id = "L143" class = "LineNr" > 143 < / span > 68/push Test-ostream/imm32
< span id = "L144" class = "LineNr" > 144 < / span > < span class = "Comment" > # call< / span >
< span id = "L145" class = "LineNr" > 145 < / span > e8/call write/disp32
< span id = "L146" class = "LineNr" > 146 < / span > < span class = "Comment" > # discard args< / span >
< span id = "L147" class = "LineNr" > 147 < / span > 81 0/subop/add 3/mod/direct 4/rm32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 8/imm32 < span class = "Comment" > # add to ESP< / span >
< span id = "L148" class = "LineNr" > 148 < / span > < span class = "Comment" > # check-ints-equal(*Test-ostream.data, 41/A 62/b 00 00, msg)< / span >
< span id = "L149" class = "LineNr" > 149 < / span > < span class = "Comment" > # push args< / span >
< span id = "L150" class = "LineNr" > 150 < / span > 68/push " F - test-write-single" /imm32
< span id = "L151" class = "LineNr" > 151 < / span > 68/push 0x006241/imm32/Ab
< span id = "L152" class = "LineNr" > 152 < / span > < span class = "Comment" > # push *Test-ostream.data< / span >
< span id = "L153" class = "LineNr" > 153 < / span > b8/copy-to-EAX Test-ostream/imm32
< span id = "L154" class = "LineNr" > 154 < / span > ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 8/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # push *(EAX+8)< / span >
< span id = "L155" class = "LineNr" > 155 < / span > < span class = "Comment" > # call< / span >
< span id = "L156" class = "LineNr" > 156 < / span > e8/call check-ints-equal/disp32
< span id = "L157" class = "LineNr" > 157 < / span > < span class = "Comment" > # discard args< / span >
< span id = "L158" class = "LineNr" > 158 < / span > 81 0/subop/add 3/mod/direct 4/rm32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 0xc/imm32 < span class = "Comment" > # add to ESP< / span >
< span id = "L159" class = "LineNr" > 159 < / span > < span class = "Comment" > # end< / span >
< span id = "L160" class = "LineNr" > 160 < / span > c3/return
< span id = "L161" class = "LineNr" > 161 < / span >
< span id = "L162" class = "LineNr" > 162 < / span > test-write-appends:
< span id = "L163" class = "LineNr" > 163 < / span > < span class = "Comment" > # clear-ostream(Test-ostream)< / span >
< span id = "L164" class = "LineNr" > 164 < / span > < span class = "Comment" > # push args< / span >
< span id = "L165" class = "LineNr" > 165 < / span > 68/push Test-ostream/imm32
< span id = "L166" class = "LineNr" > 166 < / span > < span class = "Comment" > # call< / span >
< span id = "L167" class = "LineNr" > 167 < / span > e8/call clear-ostream/disp32
< span id = "L168" class = "LineNr" > 168 < / span > < span class = "Comment" > # discard args< / span >
< span id = "L169" class = "LineNr" > 169 < / span > 81 0/subop/add 3/mod/direct 4/rm32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 4/imm32 < span class = "Comment" > # add to ESP< / span >
< span id = "L170" class = "LineNr" > 170 < / span > < span class = "Comment" > # write(Test-ostream, " C" )< / span >
< span id = "L171" class = "LineNr" > 171 < / span > < span class = "Comment" > # push args< / span >
< span id = "L172" class = "LineNr" > 172 < / span > 68/push " C" /imm32
< span id = "L173" class = "LineNr" > 173 < / span > 68/push Test-ostream/imm32
< span id = "L174" class = "LineNr" > 174 < / span > < span class = "Comment" > # call< / span >
< span id = "L175" class = "LineNr" > 175 < / span > e8/call write/disp32
< span id = "L176" class = "LineNr" > 176 < / span > < span class = "Comment" > # discard args< / span >
< span id = "L177" class = "LineNr" > 177 < / span > 81 0/subop/add 3/mod/direct 4/rm32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 8/imm32 < span class = "Comment" > # add to ESP< / span >
< span id = "L178" class = "LineNr" > 178 < / span > < span class = "Comment" > # write(Test-ostream, " D" )< / span >
< span id = "L179" class = "LineNr" > 179 < / span > < span class = "Comment" > # push args< / span >
< span id = "L180" class = "LineNr" > 180 < / span > 68/push " D" /imm32
< span id = "L181" class = "LineNr" > 181 < / span > 68/push Test-ostream/imm32
< span id = "L182" class = "LineNr" > 182 < / span > < span class = "Comment" > # call< / span >
< span id = "L183" class = "LineNr" > 183 < / span > e8/call write/disp32
< span id = "L184" class = "LineNr" > 184 < / span > < span class = "Comment" > # discard args< / span >
< span id = "L185" class = "LineNr" > 185 < / span > 81 0/subop/add 3/mod/direct 4/rm32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 8/imm32 < span class = "Comment" > # add to ESP< / span >
< span id = "L186" class = "LineNr" > 186 < / span > < span class = "Comment" > # check-ints-equal(*Test-ostream.data, 43/C 44/D 00 00, msg)< / span >
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< span id = "L187" class = "LineNr" > 187 < / span > < span class = "Comment" > # push args< / span >
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< span id = "L188" class = "LineNr" > 188 < / span > 68/push " F - test-write-appends" /imm32
< span id = "L189" class = "LineNr" > 189 < / span > 68/push 0x00004443/imm32/C-D
< span id = "L190" class = "LineNr" > 190 < / span > < span class = "Comment" > # push *Test-ostream.data< / span >
< span id = "L191" class = "LineNr" > 191 < / span > b8/copy-to-EAX Test-ostream/imm32
< span id = "L192" class = "LineNr" > 192 < / span > ff 6/subop/push 1/mod/*+disp8 0/rm32/EAX < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 8/disp8 < span class = "Delimiter" > . < / span > < span class = "Comment" > # push *(EAX+8)< / span >
< span id = "L193" class = "LineNr" > 193 < / span > < span class = "Comment" > # call< / span >
< span id = "L194" class = "LineNr" > 194 < / span > e8/call check-ints-equal/disp32
< span id = "L195" class = "LineNr" > 195 < / span > < span class = "Comment" > # discard args< / span >
< span id = "L196" class = "LineNr" > 196 < / span > 81 0/subop/add 3/mod/direct 4/rm32/ESP < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > < span class = "Delimiter" > . < / span > 0xc/imm32 < span class = "Comment" > # add to ESP< / span >
< span id = "L197" class = "LineNr" > 197 < / span > < span class = "Comment" > # end< / span >
< span id = "L198" class = "LineNr" > 198 < / span > c3/return
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< / pre >
< / body >
< / html >
<!-- vim: set foldmethod=manual : -->
