Differences From Artifact [0aa1c677f8]:
- File src/runtime/lookup-asm/lookup-asm-amd64-elf.S — part of check-in [262baf76e7] at 2024-02-24 20:57:50 on branch 1.0 — Add endbr32 / endbr64 (user: js, size: 2139) [annotate] [blame] [check-ins using] [more...]
To Artifact [dba62cdfa5]:
- File
src/runtime/lookup-asm/lookup-asm-amd64-elf.S
— part of check-in
[de552578e7]
at
2024-02-26 20:32:55
on branch 1.0
— Use <cet.h> and _CET_ENDBR macro
This only uses endbr32/endbr64 when actually needed and emits the
necessary .note.gnu.property. (user: js, size: 2161) [annotate] [blame] [check-ins using] [more...]
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12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * 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 notFound \name: | > > > > > > | < < | 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 | * LICENSE.GPLv2 or LICENSE.GPLv3 respectively included in the packaging of this * file. */ #include "config.h" #include "platform.h" #ifdef HAVE_CET_H # include <cet.h> #else # define _CET_ENDBR #endif .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 notFound \name: _CET_ENDBR testq %rdi, %rdi jz returnNilMethod testb $1, %dil jnz .LtaggedPointer_\name |
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68 69 70 71 72 73 74 | jmp .Lmain_\name .type \name, %function .size \name, .-\name .endm .macro GENERATE_LOOKUP_SUPER name lookup \name: | | < < | 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | jmp .Lmain_\name .type \name, %function .size \name, .-\name .endm .macro GENERATE_LOOKUP_SUPER name lookup \name: _CET_ENDBR movq %rdi, %r8 movq (%rdi), %rdi testq %rdi, %rdi jz returnNilMethod movq 8(%r8), %r8 |
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