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| author | Kartik Agaram <vc@akkartik.com> | 2019-05-19 23:47:21 -0700 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2019-05-19 23:49:10 -0700 |
| commit | a22f139556e4a4081137b7b4f70a31825ea207cd (patch) | |
| tree | 9ba4e5bb9e65d3a5a3c98d932b12294a1916176a /subx | |
| parent | 60cb2b4b815fa542d7e6af3ceb801f6d4ffe40d8 (diff) | |
| download | mu-a22f139556e4a4081137b7b4f70a31825ea207cd.tar.gz | |
convention: source arg in ESI
I _think_ we'll need to use it below. But may be wrong.
Diffstat (limited to 'subx')
| -rwxr-xr-x | subx/apps/dquotes | bin | 26784 -> 26788 bytes | |||
| -rw-r--r-- | subx/apps/dquotes.subx | 23 |
2 files changed, 15 insertions, 8 deletions
diff --git a/subx/apps/dquotes b/subx/apps/dquotes index 88faafeb..5a9aaff6 100755 --- a/subx/apps/dquotes +++ b/subx/apps/dquotes Binary files differdiff --git a/subx/apps/dquotes.subx b/subx/apps/dquotes.subx index 5e80edce..b89e9eba 100644 --- a/subx/apps/dquotes.subx +++ b/subx/apps/dquotes.subx @@ -1270,6 +1270,7 @@ test-emit-string-literal-data-handles-escape-sequences: # emit everything from a word except the initial datum emit-metadata: # out : (address buffered-file), word : (address slice) # pseudocode + # var slice = {0, word->end} # curr = word->start # while true # if curr == word->end @@ -1277,7 +1278,9 @@ emit-metadata: # out : (address buffered-file), word : (address slice) # if *curr == '/' # break # ++curr - # write-slice-buffered(out, slice{curr, word->end}) + # slice->curr = curr + # write-slice-buffered(out, slice) + # # . prolog 55/push-EBP 89/copy 3/mod/direct 5/rm32/EBP . . . 4/r32/ESP . . # copy ESP to EBP @@ -1285,20 +1288,22 @@ emit-metadata: # out : (address buffered-file), word : (address slice) 50/push-EAX 51/push-ECX 52/push-EDX - # ECX = word - 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 1/r32/ECX 0xc/disp8 . # copy *(EBP+12) to ECX - # end/EDX = word->end - 8b/copy 1/mod/*+disp8 1/rm32/ECX . . . 2/r32/EDX 4/disp8 . # copy *(ECX+4) to EDX + 53/push-EBX + 56/push-ESI + # ESI = word + 8b/copy 1/mod/*+disp8 5/rm32/EBP . . . 6/r32/ESI 0xc/disp8 . # copy *(EBP+12) to ESI # curr/ECX = word->start - 8b/copy 0/mod/indirect 1/rm32/ECX . . . 1/r32/ECX . . # copy *ECX to ECX - # clear out EAX + 8b/copy 0/mod/indirect 6/rm32/ESI . . . 1/r32/ECX . . # copy *ESI to ECX + # end/EDX = word->end + 8b/copy 1/mod/*+disp8 6/rm32/ESI . . . 2/r32/EDX 4/disp8 . # copy *(ESI+4) to EDX + # EAX = 0 b8/copy-to-EAX 0/imm32 $emit-metadata:skip-datum-loop: # if (curr == end) return 39/compare 3/mod/direct 1/rm32/ECX . . . 2/r32/EDX . . # compare ECX and EDX 74/jump-if-equal $emit-metadata:end/disp8 # if (*curr == '/') break - 8a/copy-byte 0/mod/indirect 1/rm32/ECX . . . 0/r32/EAX . . # copy *ECX to EAX + 8a/copy-byte 0/mod/indirect 1/rm32/ECX . . . 0/r32/AL . . # copy byte at *ECX to AL 3d/compare-EAX-and 0x2f/imm32 74/jump-if-equal $emit-metadata:break/disp8 # ++curr @@ -1318,6 +1323,8 @@ $emit-metadata:break: 81 0/subop/add 3/mod/direct 4/rm32/ESP . . . . 0x10/imm32 . # add to ESP $emit-metadata:end: # . restore registers + 5e/pop-to-ESI + 5b/pop-to-EBX 5a/pop-to-EDX 59/pop-to-ECX 58/pop-to-EAX |