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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
tool/viz/lib/doublechrominance.S
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@ -27,9 +27,10 @@
// @param %rsi is char[edi/16][16] output and %rsi==%rdx is OK
// @param %rdx is char[edi/16][8] input
// @return %rax is %rsi
.ftrace1
doublechrominance:
.ftrace2
.leafprologue
.profilable
shr $1,%edi # backwards algorithm
jbe 1f # do nothing if !n || n%2
mov %edi,%ecx