Differences From Artifact [edf654aa73]:
- File
src/runtime/lookup-asm/lookup-asm-x86_64-elf.S
— part of check-in
[6b34f309da]
at
2020-06-29 21:38:22
on branch trunk
— Convert all x86_64/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: 1783) [annotate] [blame] [check-ins using] [more...]
To Artifact [37f4b60ca1]:
- File src/runtime/lookup-asm/lookup-asm-x86_64-elf.S — part of check-in [577564693c] at 2020-06-29 23:24:20 on branch tagged-pointers — lookup-asm-x86_64-elf.S: Support tagged pointers (user: js, size: 1995) [annotate] [blame] [check-ins using]
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28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 | .section .text .macro generate_lookup name not_found \name: test rdi, rdi jz short ret_nil mov r8, [rdi] mov r8, [r8+64] .Lmain_\name: mov rax, [rsi] movzx ecx, ah movzx edx, al #ifdef OF_SELUID24 shr eax, 16 mov r8, [r8+rax*8] #endif mov r8, [r8+rcx*8] mov rax, [r8+rdx*8] test rax, rax jz short \not_found@PLT ret .type \name, %function .size \name, .-\name .endm .macro generate_lookup_super name lookup \name: mov r8, rdi | > > > > > > > > > > > > > | 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 | .section .text .macro generate_lookup name not_found \name: test rdi, rdi jz short ret_nil bt edi, 0 jc short .Ltagged_pointer_\name mov r8, [rdi] mov r8, [r8+64] .Lmain_\name: mov rax, [rsi] movzx ecx, ah movzx edx, al #ifdef OF_SELUID24 shr eax, 16 mov r8, [r8+rax*8] #endif mov r8, [r8+rcx*8] mov rax, [r8+rdx*8] test rax, rax jz short \not_found@PLT ret .Ltagged_pointer_\name: movzx r8, dil shr r8, 1 mov rax, [rip+objc_tagged_pointer_classes@GOTPCREL] mov r8, [rax+r8*8] mov r8, [r8+64] jmp short .Lmain_\name .type \name, %function .size \name, .-\name .endm .macro generate_lookup_super name lookup \name: mov r8, rdi |
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