diff options
| author | jasone <jasone@FreeBSD.org> | 2000-01-12 09:23:48 +0000 |
|---|---|---|
| committer | jasone <jasone@FreeBSD.org> | 2000-01-12 09:23:48 +0000 |
| commit | 75903038bc52105bc7479fe5f2b75f22f10c1c50 (patch) | |
| tree | c9e28eda650bbd7eaa3eb22c8d7c75d00a96a451 /lib/libc/i386/DEFS.h | |
| parent | 688bb99b3f790aad607b949661d0361486bbe346 (diff) | |
| download | FreeBSD-src-75903038bc52105bc7479fe5f2b75f22f10c1c50.zip FreeBSD-src-75903038bc52105bc7479fe5f2b75f22f10c1c50.tar.gz | |
Add three-tier symbol naming in support of POSIX thread cancellation
points. For library functions, the pattern is __sleep() <--
_libc_sleep() <-- sleep(). The arrows represent weak aliases. For
system calls, the pattern is _read() <-- _libc_read() <-- read().
Diffstat (limited to 'lib/libc/i386/DEFS.h')
| -rw-r--r-- | lib/libc/i386/DEFS.h | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/lib/libc/i386/DEFS.h b/lib/libc/i386/DEFS.h index edf08ea..0e54055 100644 --- a/lib/libc/i386/DEFS.h +++ b/lib/libc/i386/DEFS.h @@ -39,3 +39,26 @@ */ #include <machine/asm.h> + +/* Already defined in machine/asm.h. */ +#undef ENTRY + +#define MCOUNT call PIC_PLT(HIDENAME(mcount)) +#define MEXITCOUNT call PIC_PLT(HIDENAME(mexitcount)) + +#ifdef PROF +/* + * XXX Looks good to me, but it sure looks different than the original... + * (jasone) + */ +#define ENTRY(name) _ENTRY(name) ; 9: ; MCOUNT +/* #define ENTRY(name) _ENTRY(name) ; 9: \ */ +/* pushl %ebp; movl %esp,%ebp; \ */ +/* call PIC_PLT(HIDENAME(mcount)); \ */ +/* popl %ebp */ + +#define ALTENTRY(name) _ENTRY(name) ; MCOUNT ; MEXITCOUNT ; jmp 9f +#else +#define ENTRY(name) _ENTRY(name) +#define ALTENTRY(name) _ENTRY(name) +#endif |
