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| author | Kartik Agaram <vc@akkartik.com> | 2020-01-27 00:36:44 -0800 |
|---|---|---|
| committer | Kartik Agaram <vc@akkartik.com> | 2020-01-27 00:36:44 -0800 |
| commit | 71eb22a5bf94f5fa0a3c95212450e3c6a1a6a990 (patch) | |
| tree | 56307b5145be44b2239d3c782234309ed714f1b6 /070new-stream.subx | |
| parent | 1a65c3af0f797892f5981f8ebd33c275c1ef06b0 (diff) | |
| download | mu-71eb22a5bf94f5fa0a3c95212450e3c6a1a6a990.tar.gz | |
5924
Diffstat (limited to '070new-stream.subx')
| -rw-r--r-- | 070new-stream.subx | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/070new-stream.subx b/070new-stream.subx index 55822c5b..76d2a516 100644 --- a/070new-stream.subx +++ b/070new-stream.subx @@ -5,13 +5,13 @@ # . 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 -new-stream: # ad : (addr allocation-descriptor), length : int, elemsize : int -> address/eax : (handle stream _) +new-stream: # ad: (addr allocation-descriptor), length: int, elemsize: int -> address/eax: (handle stream _) # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp # . save registers 52/push-edx - # var n/eax : int = elemsize * length + 12 (for read, write and length) + # var n/eax: int = elemsize * length + 12 (for read, write and length) # . eax = elemsize 8b/copy 1/mod/*+disp8 5/rm32/ebp . . . 0/r32/eax 0x10/disp8 . # copy *(ebp+16) to eax # . eax *= length @@ -24,7 +24,7 @@ new-stream: # ad : (addr allocation-descriptor), length : int, elemsize : int - 89/copy 3/mod/direct 2/rm32/edx . . . 0/r32/eax . . # copy eax to edx # . eax += 12 05/add-to-eax 0xc/imm32 - # var eax : (handle stream _) = allocate(ad, n) + # var eax: (handle stream _) = allocate(ad, n) # . . push args 50/push-eax ff 6/subop/push 1/mod/*+disp8 5/rm32/ebp . . . . 8/disp8 . # push *(ebp+8) @@ -68,7 +68,7 @@ test-new-stream: # . prologue 55/push-ebp 89/copy 3/mod/direct 5/rm32/ebp . . . 4/r32/esp . . # copy esp to ebp - # var heap/ecx : allocation-descriptor + # var heap/ecx: allocation-descriptor 68/push 0/imm32/limit 68/push 0/imm32/curr 89/copy 3/mod/direct 1/rm32/ecx . . . 4/r32/esp . . # copy esp to ecx @@ -82,7 +82,7 @@ test-new-stream: 81 0/subop/add 3/mod/direct 4/rm32/esp . . . . . 8/imm32 # add to esp # var start/edx = ad->curr 8b/copy 0/mod/indirect 1/rm32/ecx . . . 2/r32/edx . . # copy *ecx to edx - # var eax : (handle stream byte) = new-stream(heap, 3, 2) + # var eax: (handle stream byte) = new-stream(heap, 3, 2) # . . push args 68/push 2/imm32 68/push 3/imm32 |