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Get --ftrace working on aarch64

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This change implements a new approach to function call logging, that's
based on the GCC flag: -fpatchable-function-entry. Read the commentary
in build/config.mk to learn how it works.
This commit is contained in:
Justine Tunney 2023-06-05 23:35:31 -07:00
parent 5b908bc756
commit eb40cb371d
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GPG key ID: BE714B4575D6E328
934 changed files with 2259 additions and 1268 deletions
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3
libc/runtime/init.S
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@ -48,11 +48,12 @@
.section .initprologue,"ax",@progbits
.type _init,@function
.globl _init
.ftrace1
_init:
.ftrace2
#ifdef __x86_64__
push %rbp
mov %rsp,%rbp
.profilable
ezlea __init_bss_start,di
ezlea __init_rodata_start,si
#elif defined(__aarch64__)