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author | marius <marius@FreeBSD.org> | 2007-05-11 23:43:55 +0000 |
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committer | marius <marius@FreeBSD.org> | 2007-05-11 23:43:55 +0000 |
commit | 6d578f19e463e0dc4c85f23c334bca732ea276c9 (patch) | |
tree | 3e1d56632c449303c5b5b91af49e41e90d6c7cee /sys/sparc64/include/profile.h | |
parent | ec4492c7856c5a63bcf3b42821e77225f470c342 (diff) | |
download | FreeBSD-src-6d578f19e463e0dc4c85f23c334bca732ea276c9.zip FreeBSD-src-6d578f19e463e0dc4c85f23c334bca732ea276c9.tar.gz |
- Add bits for userland profiling. For sun4u this is compile-tested only.
- Replace magic 14 with PIL_TICK.
Diffstat (limited to 'sys/sparc64/include/profile.h')
-rw-r--r-- | sys/sparc64/include/profile.h | 40 |
1 files changed, 36 insertions, 4 deletions
diff --git a/sys/sparc64/include/profile.h b/sys/sparc64/include/profile.h index 8779ea5..6c7d1b2 100644 --- a/sys/sparc64/include/profile.h +++ b/sys/sparc64/include/profile.h @@ -32,18 +32,24 @@ #ifndef _MACHINE_PROFILE_H_ #define _MACHINE_PROFILE_H_ -#define FUNCTION_ALIGNMENT 32 -#define _MCOUNT_DECL void mcount -#define MCOUNT +#if !defined(_KERNEL) && !defined(_SYS_CDEFS_H_) +#error this file needs sys/cdefs.h as a prerequisite +#endif + +#define FUNCTION_ALIGNMENT 32 typedef u_long fptrdiff_t; #ifdef _KERNEL #include <machine/cpufunc.h> +#include <machine/intr_machdep.h> + +#define _MCOUNT_DECL void mcount +#define MCOUNT #define MCOUNT_DECL(s) register_t s; -#define MCOUNT_ENTER(s) s = rdpr(pil); wrpr(pil, 0, 14) +#define MCOUNT_ENTER(s) s = rdpr(pil); wrpr(pil, 0, PIL_TICK) #define MCOUNT_EXIT(s) wrpr(pil, 0, s) void bintr(void); @@ -65,6 +71,32 @@ void mcount(uintfptr_t frompc, uintfptr_t selfpc); typedef u_long uintfptr_t; +#define _MCOUNT_DECL static __inline void __mcount + +#ifdef __GNUCLIKE_ASM +#define MCOUNT \ +void \ +_mcount() \ +{ \ + uintfptr_t frompc, selfpc; \ + \ + /* \ + * Find the return address for mcount, \ + * and the return address for mcount's caller. \ + * \ + * selfpc = pc pushed by call to mcount \ + */ \ + __asm("add %%o7, 8, %0" : "=r" (selfpc)); \ + /* \ + * frompc = pc pushed by call to mcount's caller. \ + */ \ + __asm("add %%i7, 8, %0" : "=r" (frompc)); \ + __mcount(frompc, selfpc); \ +} +#else /* !__GNUCLIKE_ASM */ +#define MCOUNT +#endif /* __GNUCLIKE_ASM */ + #endif /* _KERNEL */ #endif /* !_MACHINE_PROFILE_H_ */ |