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eb40cb371d
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.
18 lines
307 B
ArmAsm
18 lines
307 B
ArmAsm
#include "libc/macros.internal.h"
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.text.unlikely
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.ftrace1
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eusers:
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.ftrace2
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#ifdef __x86_64__
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.leafprologue
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mov EUSERS(%rip),%ecx
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jmp __errfun
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#elif defined(__aarch64__)
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adrp x1,EUSERS
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ldrsw x0,[x1,#:lo12:EUSERS]
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b __errfun
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#else
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#error "unsupported architecture"
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#endif
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.endfn eusers,globl,hidden
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