[glibc] profil-counter: Add missing SIGINFO case

[glibc] profil-counter: Add missing SIGINFO case

[Samuel Thibault]

https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=53432762ac2ff24794089e2c767b976e54c2dc0a

commit 53432762ac2ff24794089e2c767b976e54c2dc0a
Author: Samuel Thibault <samuel.thibault@ens-lyon.org>
Date:   Mon Dec 21 02:02:47 2020 +0100

    profil-counter: Add missing SIGINFO case
    
    When SA_SIGINFO is available, sysdeps/posix/s?profil.c use it, so we have to
    fix the __profil_counter function accordingly, using sigcontextinfo.h's
    sigcontext_get_pc.

Diff:
---
 sysdeps/generic/profil-counter.h | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/sysdeps/generic/profil-counter.h b/sysdeps/generic/profil-counter.h
index 1fa7bc7653..da13e6aca9 100644
--- a/sysdeps/generic/profil-counter.h
+++ b/sysdeps/generic/profil-counter.h
@@ -19,8 +19,18 @@
 /* In many Unix systems signal handlers are called like this
    and the interrupted PC is easily findable in the `struct sigcontext'.  */
 
+#ifdef SA_SIGINFO
+#include <sigcontextinfo.h>
+
+static void
+__profil_counter (int signr, siginfo_t *info, void *ctx)
+{
+  profil_count (sigcontext_get_pc (ctx));
+}
+#else
 static void
 __profil_counter (int signr, int code, struct sigcontext *scp)
 {
   profil_count ((uintptr_t) scp->sc_pc);
 }
+#endif