Differences From Artifact [0df35756bb]:
- File src/runtime/lookup-asm/lookup-asm-x86_64-macho.S — part of check-in [374e1a1bfa] at 2021-01-02 22:04:26 on branch trunk — Update copyright (user: js, size: 1774) [annotate] [blame] [check-ins using] [more...]
To Artifact [799d4a8d9c]:
- File
src/runtime/lookup-asm/lookup-asm-x86_64-macho.S
— part of check-in
[b57d18acaa]
at
2021-01-31 23:52:30
on branch trunk
— Revert lookup-asm-x86_64-macho.S to AT&T syntax
Intel syntax is too buggy in the Apple assembler. (user: js, size: 1828) [annotate] [blame] [check-ins using]
︙ | ︙ | |||
11 12 13 14 15 16 17 | * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include "config.h" | < < | | | | | | | | | | | | | | | | | | | | | | | | | | | 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 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 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 | * Public License, either version 2 or 3, which can be found in the file * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include "config.h" .globl _objc_msg_lookup .globl _objc_msg_lookup_stret .globl _objc_msg_lookup_super .globl _objc_msg_lookup_super_stret .section __TEXT, __text, regular, pure_instructions .macro generate_lookup $0: testq %rdi, %rdi jz ret_nil btl $$0, %edi jc Ltagged_pointer_$0 movq (%rdi), %r8 movq 64(%r8), %r8 Lmain_$0: movq (%rsi), %rax movzbl %ah, %ecx movzbl %al, %edx #ifdef OF_SELUID24 shrl $$16, %eax movq (%r8,%rax,8), %r8 #endif movq (%r8,%rcx,8), %r8 movq (%r8,%rdx,8), %rax testq %rax, %rax jz $1 ret Ltagged_pointer_$0: movq _objc_tagged_pointer_secret@GOTPCREL(%rip), %rax xorq (%rax), %rdi andb $$0xE, %dil movzbq %dil, %r8 movq _objc_tagged_pointer_classes@GOTPCREL(%rip), %rax movq (%rax,%r8,4), %r8 movq 64(%r8), %r8 jmp Lmain_$0 .endmacro .macro generate_lookup_super $0: movq %rdi, %r8 movq (%rdi), %rdi testq %rdi, %rdi jz ret_nil movq 8(%r8), %r8 movq 64(%r8), %r8 jmp Lmain_$1 .endmacro generate_lookup _objc_msg_lookup, _objc_method_not_found generate_lookup _objc_msg_lookup_stret, _objc_method_not_found_stret generate_lookup_super _objc_msg_lookup_super, _objc_msg_lookup generate_lookup_super _objc_msg_lookup_super_stret, _objc_msg_lookup_stret ret_nil: leaq nil_method(%rip), %rax ret nil_method: movq %rdi, %rax ret |