diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2000-10-25 20:29:30 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-10-25 20:29:30 +0000 |
| commit | 6a39d02719ff34c9f51dd3049add71086572da5a (patch) | |
| tree | b8ba2075e98fd560c7e4f402e8bccd3f315aa177 /sysdeps | |
| parent | fb9c4974822da36f0d5900163282ec85c6f0c7eb (diff) | |
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Update.
2000-10-25 David Mosberger <davidm@hpl.hp.com>
* sysdeps/unix/sysv/linux/ia64/profil-counter.h: Multiply slot
number by four to use bins of width 4 to get accurate
instruction-level profiling.
Diffstat (limited to 'sysdeps')
| -rw-r--r-- | sysdeps/unix/sysv/linux/ia64/profil-counter.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/profil-counter.h b/sysdeps/unix/sysv/linux/ia64/profil-counter.h index 1cc0390b8f..a3e501dd89 100644 --- a/sysdeps/unix/sysv/linux/ia64/profil-counter.h +++ b/sysdeps/unix/sysv/linux/ia64/profil-counter.h @@ -23,5 +23,10 @@ static void profil_counter (int signr, int code, struct sigcontext *scp) { - profil_count ((void *) scp->sc_ip); + unsigned long ip = scp->sc_ip & ~0X3ULL, slot = scp->sc_ip & 0x3ull; + + /* Note: Linux/ia64 encodes the slot number in bits 0 and 1. We + want to multiply the slot number by four so we can use bins of + width 4 to get accurate instruction-level profiling. */ + profil_count ((void *) (ip + 4*slot)); } |