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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.
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934 changed files with 2259 additions and 1268 deletions
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@ -23,10 +23,11 @@
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// @param rdi points to nonempty array
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// @param esi is 16-byte aligned 8+ / 8 multiple array item count
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// @note needs sse4 (nehalem+)
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.ftrace1
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windex_sse4:
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.ftrace2
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push %rbp
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mov %rsp,%rbp
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.profilable
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mov $8,%eax
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sub $32,%rsp
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movdqa (%rdi),%xmm2
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