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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/nexgen32e/nt2sysv.S
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@ -29,12 +29,13 @@
// @return %rax,%xmm0
// @note slower than __sysv2nt
// @see NT2SYSV() macro
.ftrace1
__nt2sysv:
.ftrace2
push %rbp
mov %rsp,%rbp
// TODO(jart): We should probably find some way to use our own
// stack when Windows delivers signals ;_;
.profilable
sub $0x100,%rsp
push %rbx
push %rdi