Differences From Artifact [65ed1dc5ee]:
- File
src/runtime/lookup-asm/lookup-asm-x86-elf.S
— part of check-in
[2073a345ba]
at
2020-06-29 23:14:11
on branch trunk
— Convert all x86/ELF ASM files to Intel syntax
GAS has decent support for Intel syntax these days, so there is little
reason to stick with AT&T syntax. (user: js, size: 2025) [annotate] [blame] [check-ins using] [more...]
To Artifact [9f1f33cd94]:
- File src/runtime/lookup-asm/lookup-asm-x86-elf.S — part of check-in [7f493d2446] at 2020-06-30 00:29:47 on branch tagged-pointers — lookup-asm-x86-elf.S: Support tagged pointers (user: js, size: 2294) [annotate] [blame] [check-ins using]
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29 30 31 32 33 34 35 36 37 38 39 40 41 42 | .section .text .macro generate_lookup name not_found \name: mov edx, [esp+4] test edx, edx jz short ret_nil mov edx, [edx] mov edx, [edx+32] .Lmain_\name: mov eax, [esp+8] #ifdef OF_SELUID24 | > > > | 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 | .section .text .macro generate_lookup name not_found \name: mov edx, [esp+4] test edx, edx jz short ret_nil bt edx, 0 jc short .Ltagged_pointer_\name mov edx, [edx] mov edx, [edx+32] .Lmain_\name: mov eax, [esp+8] #ifdef OF_SELUID24 |
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55 56 57 58 59 60 61 62 63 64 65 66 67 68 | 0: call get_eip 1: add eax, offset _GLOBAL_OFFSET_TABLE_ mov eax, [eax+\not_found@GOT] jmp eax .type \name, %function .size \name, .-\name .endm .macro generate_lookup_super name lookup \name: mov edx, [esp+4] | > > > > > > > > > > > > > | 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 | 0: call get_eip 1: add eax, offset _GLOBAL_OFFSET_TABLE_ mov eax, [eax+\not_found@GOT] jmp eax .Ltagged_pointer_\name: movzx edx, dl shr edx, 1 call get_eip add eax, offset _GLOBAL_OFFSET_TABLE_ lea eax, [eax+objc_tagged_pointer_classes@GOTOFF] mov edx, [eax+edx*4] mov edx, [edx+32] jmp short .Lmain_\name .type \name, %function .size \name, .-\name .endm .macro generate_lookup_super name lookup \name: mov edx, [esp+4] |
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