mu - Soul of a tiny new machine. More thorough tests → More comprehensible and rewrite-friendly software → More resilient society.

	Commit message (Collapse)	Author	Age	Files	Lines
*	6690	Kartik Agaram	2020-07-30	1	-1/+2
\|
*	6689 - some little white lies to GitHub	Kartik Agaram	2020-07-30	1	-1/+5
\|
*	6688	Kartik Agaram	2020-07-30	1	-0/+1
\|
*	6505	Kartik Agaram	2020-06-09	1	-1/+1
\|
*	6504	Kartik Agaram	2020-06-08	1	-0/+1
\|
*	6445	Kartik Agaram	2020-05-30	1	-0/+1
\|
*	6444	Kartik Agaram	2020-05-30	1	-0/+3

68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Mu - 113write-stream.subx</title> <meta name="Generator" content="Vim/8.1"> <meta name="plugin-version" content="vim8.1_v1"> <meta name="syntax" content="none"> <meta name="settings" content="number_lines,use_css,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> <meta name="colorscheme" content="minimal-dark"> <style type="text/css">  </style> <script type='text/javascript'>  </script> </head> <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/113write-stream.subx'>https://github.com/akkartik/mu/blob/main/113write-stream.subx</a> <pre id='vimCodeElement'> 1 # write-stream: like write, but write streams rather than strings 2 3 == code 4 # instruction effective address register displacement immediate 5 # . op subop mod rm32 base index scale r32 6 # . 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 7 8 write-stream: # f: (addr stream byte), s: (addr stream byte) 9 # . prologue 10 55/push-ebp 11 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp 12 # . save registers 13 50/push-eax 14 56/push-esi 15 57/push-edi 16 # edi = f 17 8b/copy 1/mod/*+disp8 5/rm32/ebp . . 7/r32/edi 8/disp8 . # copy *(ebp+8) to edi 18 # esi = s 19 8b/copy 1/mod/*+disp8 5/rm32/ebp . . 6/r32/esi 0xc/disp8 . # copy *(ebp+12) to esi 20 # eax = _append-4(&f->data[f->write], &f->data[f->size], &s->data[s->read], &s->data[s->write]) 21 # . . push &s->data[s->write] 22 8b/copy 0/mod/indirect 6/rm32/esi . . . 0/r32/eax . . # copy *esi to eax 23 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax . 0/r32/eax 0xc/disp8 . # copy esi+eax+12 to eax 24 50/push-eax 25 # . . push &s->data[s->read] 26 8b/copy 1/mod/*+disp8 6/rm32/esi . . . 0/r32/eax 4/disp8 . # copy *(esi+4) to eax 27 8d/copy-address 1/mod/*+disp8 4/rm32/sib 6/base/esi 0/index/eax . 0/r32/eax 0xc/disp8 . # copy esi+eax+12 to eax 28 50/push-eax 29 # . . push &f->data[f->size] 30 8b/copy 1/mod/*+disp8 7/rm32/edi . . . 0/r32/eax 8/disp8 . # copy *(edi+8) to eax 31 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 0/index/eax . 0/r32/eax 0xc/disp8 . # copy edi+eax+12 to eax 32 50/push-eax 33 # . . push &f->data[f->write] 34 8b/copy 0/mod/indirect 7/rm32/edi . . . 0/r32/eax . . # copy *edi to eax 35 8d/copy-address 1/mod/*+disp8 4/rm32/sib 7/base/edi 0/index/eax . 0/r32/eax 0xc/disp8 . # copy edi+eax+12 to eax 36 50/push-eax 37 # . . call 38 e8/call <a href='108write.subx.html#L171'>_append-4</a>/disp32 39 # . . discard args 40 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0x10/imm32 # add to esp 41 # f->write += eax 42 01/add 0/mod/indirect 7/rm32/edi . . . 0/r32/eax . . # add eax to *edi 43 # s->read += eax 44 01/add 1/mod/*+disp8 6/rm32/esi . . . 0/r32/eax 4/disp8 . # add eax to *(esi+4) 45 $write-stream:end: 46 # . restore registers 47 5f/pop-to-edi 48 5e/pop-to-esi 49 58/pop-to-eax 50 # . epilogue 51 89/copy 3/mod/direct 4/rm32/esp . . . 5/r32/ebp . . # copy ebp to esp 52 5d/pop-to-ebp 53 c3/return 54 55 test-write-stream-single: 56 # setup 57 # . clear-stream(_test-stream) 58 # . . push args 59 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 60 # . . call 61 e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 62 # . . discard args 63 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp 64 # . clear-stream(_test-stream2) 65 # . . push args 66 68/push <a href='113write-stream.subx.html#L163'>_test-stream2</a>/imm32 67 # . . call 68 e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 69 # . . discard args 70 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp 71 # . write(_test-stream2, "Ab") 72 # . . push args 73 68/push "Ab"/imm32 74 68/push <a href='113write-stream.subx.html#L163'>_test-stream2</a>/imm32 75 # . . call 76 e8/call <a href='108write.subx.html#L11'>write</a>/disp32 77 # . . discard args 78 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp 79 # write-stream(_test-stream, _test-stream2) 80 # . . push args 81 68/push <a href='113write-stream.subx.html#L163'>_test-stream2</a>/imm32 82 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 83 # . . call 84 e8/call <a href='113write-stream.subx.html#L8'>write-stream</a>/disp32 85 # . . discard args 86 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp 87 # check-stream-equal(_test-stream, "Ab", msg) 88 # . . push args 89 68/push "F - test-write-stream-single"/imm32 90 68/push "Ab"/imm32 91 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 92 # . . call 93 e8/call <a href='109stream-equal.subx.html#L194'>check-stream-equal</a>/disp32 94 # . . discard args 95 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp 96 # . end 97 c3/return 98 99 test-write-stream-appends: 100 # setup 101 # . clear-stream(_test-stream) 102 # . . push args 103 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 104 # . . call 105 e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 106 # . . discard args 107 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp 108 # . clear-stream(_test-stream2) 109 # . . push args 110 68/push <a href='113write-stream.subx.html#L163'>_test-stream2</a>/imm32 111 # . . call 112 e8/call <a href='106stream.subx.html#L20'>clear-stream</a>/disp32 113 # . . discard args 114 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 4/imm32 # add to esp 115 # . write(_test-stream2, "C") 116 # . . push args 117 68/push "C"/imm32 118 68/push <a href='113write-stream.subx.html#L163'>_test-stream2</a>/imm32 119 # . . call 120 e8/call <a href='108write.subx.html#L11'>write</a>/disp32 121 # . . discard args 122 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp 123 # first write 124 # . write-stream(_test-stream, _test-stream2) 125 # . . push args 126 68/push <a href='113write-stream.subx.html#L163'>_test-stream2</a>/imm32 127 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 128 # . . call 129 e8/call <a href='113write-stream.subx.html#L8'>write-stream</a>/disp32 130 # . . discard args 131 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp 132 # second write 133 # . write(_test-stream2, "D") 134 # . . push args 135 68/push "D"/imm32 136 68/push <a href='113write-stream.subx.html#L163'>_test-stream2</a>/imm32 137 # . . call 138 e8/call <a href='108write.subx.html#L11'>write</a>/disp32 139 # . . discard args 140 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp 141 # . write-stream(_test-stream, _test-stream2) 142 # . . push args 143 68/push <a href='113write-stream.subx.html#L163'>_test-stream2</a>/imm32 144 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 145 # . . call 146 e8/call <a href='113write-stream.subx.html#L8'>write-stream</a>/disp32 147 # . . discard args 148 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp 149 # check-stream-equal(_test-stream, "CD", msg) 150 # . . push args 151 68/push "F - test-write-stream-appends"/imm32 152 68/push "CD"/imm32 153 68/push <a href='108write.subx.html#L125'>_test-stream</a>/imm32 154 # . . call 155 e8/call <a href='109stream-equal.subx.html#L194'>check-stream-equal</a>/disp32 156 # . . discard args 157 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 0xc/imm32 # add to esp 158 # . end 159 c3/return 160 161 == data 162 163 _test-stream2: # (stream byte) 164 # current write index 165 4/imm32 166 # current read index 167 1/imm32 168 # size 169 8/imm32 170 # data 171 41/A 42/B 43/C 44/D 00 00 00 00 # 8 bytes 172 173 # . . vim:nowrap:textwidth=0 </pre> </body> </html>