Differences From Artifact [16edfd651f]:
- File src/runtime/lookup-asm/lookup-asm-x86_64-elf.S — part of check-in [c7f0229795] at 2020-01-02 01:51:34 on branch trunk — Update copyright (user: js, size: 1800) [annotate] [blame] [check-ins using] [more...]
To 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...]
︙ | ︙ | |||
15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 | * file. */ #include "config.h" #include "platform.h" .globl objc_msg_lookup .globl objc_msg_lookup_stret .globl objc_msg_lookup_super .globl objc_msg_lookup_super_stret .section .text .macro generate_lookup name not_found \name: | > > | | | | | | | | | | | | | | | | | | | | | 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 | * file. */ #include "config.h" #include "platform.h" .intel_syntax noprefix .globl objc_msg_lookup .globl objc_msg_lookup_stret .globl objc_msg_lookup_super .globl objc_msg_lookup_super_stret .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 mov rdi, [rdi] test rdi, rdi jz ret_nil mov r8, [r8+8] mov r8, [r8+64] jmp .Lmain_\lookup .type \name, %function .size \name, .-\name .endm 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: lea rax, [rip+nil_method] ret nil_method: xor rax, rax ret #ifdef OF_LINUX .section .note.GNU-stack, "", %progbits #endif |