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freebsd_amp_hwpstate
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Fixed the profiling version ALTENTRY(). Again. The previous version 

didn't set up the frame pointer before calling mcount, and then jumped
to the wrong place in ENTRY() to defeat the point of the jump.
This commit is contained in:
Bruce Evans 2000-01-25 09:01:55 +00:00
parent 615e071ef3
commit be16a3aba0
2 changed files with 18 additions and 10 deletions
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14
sys/amd64/include/asm.h
View File

@ -84,15 +84,19 @@
.globl CNAME(x); .type CNAME(x),@function; CNAME(x):
#ifdef PROF
#define ENTRY(x) _ENTRY(x); 9: \
#define ALTENTRY(x) _ENTRY(x); \
pushl %ebp; movl %esp,%ebp; \
call PIC_PLT(HIDENAME(mcount)); \
popl %ebp
#define ALTENTRY(x) _ENTRY(x) ; call PIC_PLT(HIDENAME(mcount)) ; jmp 9f
popl %ebp; \
jmp 9f
#define ENTRY(x) _ENTRY(x); \
pushl %ebp; movl %esp,%ebp; \
call PIC_PLT(HIDENAME(mcount)); \
popl %ebp; \
9:
#else
#define ALTENTRY(x) _ENTRY(x)
#define ENTRY(x) _ENTRY(x)
#define ALTENTRY(x) _ENTRY(x)
#endif
#define RCSID(x) .text; .asciz x

14
sys/i386/include/asm.h
View File

@ -84,15 +84,19 @@
.globl CNAME(x); .type CNAME(x),@function; CNAME(x):
#ifdef PROF
#define ENTRY(x) _ENTRY(x); 9: \
#define ALTENTRY(x) _ENTRY(x); \
pushl %ebp; movl %esp,%ebp; \
call PIC_PLT(HIDENAME(mcount)); \
popl %ebp
#define ALTENTRY(x) _ENTRY(x) ; call PIC_PLT(HIDENAME(mcount)) ; jmp 9f
popl %ebp; \
jmp 9f
#define ENTRY(x) _ENTRY(x); \
pushl %ebp; movl %esp,%ebp; \
call PIC_PLT(HIDENAME(mcount)); \
popl %ebp; \
9:
#else
#define ALTENTRY(x) _ENTRY(x)
#define ENTRY(x) _ENTRY(x)
#define ALTENTRY(x) _ENTRY(x)
#endif
#define RCSID(x) .text; .asciz x