Get --ftrace working on aarch64

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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934 changed files with 2259 additions and 1268 deletions

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@ -30,11 +30,12 @@
// @see examples/ctrlc.c
// @threadsafe
// @noreturn
.ftrace1
_gclongjmp:
.ftrace2
#ifdef __x86_64__
push %rbp
mov %rsp,%rbp
.profilable
mov %fs:0,%r12 # __get_tls()
mov 0x18(%r12),%r12 # Tls::garbages
test %r12,%r12