* [PATCH] Avoid PLT calls in utmp compat wrappers on Linux/s390
@ 2010-01-26 18:18 Andreas Schwab
0 siblings, 0 replies; only message in thread
From: Andreas Schwab @ 2010-01-26 18:18 UTC (permalink / raw)
To: libc-hacker
2010-01-26 Andreas Schwab <schwab@redhat.com>
* sysdeps/unix/sysv/linux/s390/s390-32/utmp32.c: Use internal
interface.
* sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c: Likewise.
* sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.h: Declare internal
utmpx interface.
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/utmp32.c b/sysdeps/unix/sysv/linux/s390/s390-32/utmp32.c
index 32a5d71..bf07f68 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/utmp32.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/utmp32.c
@@ -62,7 +62,7 @@
struct utmp32 *
getutid32 (const struct utmp32 *id)
{
- ACCESS_UTMP_ENTRY (getutid, id)
+ ACCESS_UTMP_ENTRY (__getutid, id)
}
symbol_version (getutid32, getutid, GLIBC_2.0);
@@ -71,7 +71,7 @@ symbol_version (getutid32, getutid, GLIBC_2.0);
struct utmp32 *
getutline32 (const struct utmp32 *line)
{
- ACCESS_UTMP_ENTRY (getutline, line)
+ ACCESS_UTMP_ENTRY (__getutline, line)
}
symbol_version (getutline32, getutline, GLIBC_2.0);
@@ -79,7 +79,7 @@ symbol_version (getutline32, getutline, GLIBC_2.0);
struct utmp32 *
pututline32 (const struct utmp32 *utmp_ptr)
{
- ACCESS_UTMP_ENTRY (pututline, utmp_ptr)
+ ACCESS_UTMP_ENTRY (__pututline, utmp_ptr)
}
symbol_version (pututline32, pututline, GLIBC_2.0);
@@ -90,7 +90,7 @@ getutent32 (void)
struct utmp *out64;
ALLOCATE_UTMP32_OUT (out32);
- out64 = getutent ();
+ out64 = __getutent ();
if (!out64)
return NULL;
@@ -108,7 +108,7 @@ getutent32_r (struct utmp32 *buffer, struct utmp32 **result)
struct utmp *out64p;
int ret;
- ret = getutent_r (&out64, &out64p);
+ ret = __getutent_r (&out64, &out64p);
if (ret == -1)
{
*result = NULL;
@@ -133,7 +133,7 @@ getutid32_r (const struct utmp32 *id, struct utmp32 *buffer,
utmp_convert32to64 (id, &in64);
- ret = getutid_r (&in64, &out64, &out64p);
+ ret = __getutid_r (&in64, &out64, &out64p);
if (ret == -1)
{
*result = NULL;
@@ -158,7 +158,7 @@ getutline32_r (const struct utmp32 *line,
utmp_convert32to64 (line, &in64);
- ret = getutline_r (&in64, &out64, &out64p);
+ ret = __getutline_r (&in64, &out64, &out64p);
if (ret == -1)
{
*result = NULL;
@@ -180,6 +180,6 @@ updwtmp32 (const char *wtmp_file, const struct utmp32 *utmp)
struct utmp in32;
utmp_convert32to64 (utmp, &in32);
- updwtmp (wtmp_file, &in32);
+ __updwtmp (wtmp_file, &in32);
}
symbol_version (updwtmp32, updwtmp, GLIBC_2.0);
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c b/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c
index 69a1384..f566f50 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.c
@@ -68,7 +68,7 @@ getutxent32 (void)
struct utmpx *out64;
ALLOCATE_UTMPX32_OUT (out32);
- out64 = getutxent ();
+ out64 = __getutxent ();
if (!out64)
return NULL;
@@ -82,7 +82,7 @@ symbol_version (getutxent32, getutxent, GLIBC_2.1);
struct utmpx32 *
getutxid32 (const struct utmpx32 *id)
{
- ACCESS_UTMPX_ENTRY (getutxid, id);
+ ACCESS_UTMPX_ENTRY (__getutxid, id);
}
symbol_version (getutxid32, getutxid, GLIBC_2.1);
@@ -90,7 +90,7 @@ symbol_version (getutxid32, getutxid, GLIBC_2.1);
struct utmpx32 *
getutxline32 (const struct utmpx32 *line)
{
- ACCESS_UTMPX_ENTRY (getutxline, line);
+ ACCESS_UTMPX_ENTRY (__getutxline, line);
}
symbol_version (getutxline32, getutxline, GLIBC_2.1);
@@ -98,7 +98,7 @@ symbol_version (getutxline32, getutxline, GLIBC_2.1);
struct utmpx32 *
pututxline32 (const struct utmpx32 *utmpx)
{
- ACCESS_UTMPX_ENTRY (pututxline, utmpx);
+ ACCESS_UTMPX_ENTRY (__pututxline, utmpx);
}
symbol_version (pututxline32, pututxline, GLIBC_2.1);
@@ -109,7 +109,7 @@ updwtmpx32 (const char *wtmpx_file, const struct utmpx32 *utmpx)
struct utmpx in64;
utmpx_convert32to64 (utmpx, &in64);
- updwtmpx (wtmpx_file, &in64);
+ __updwtmpx (wtmpx_file, &in64);
}
symbol_version (updwtmpx32, updwtmpx, GLIBC_2.1);
@@ -121,7 +121,7 @@ getutmp32 (const struct utmpx32 *utmpx, struct utmp32 *utmp)
struct utmp out64;
utmpx_convert32to64 (utmpx, &in64);
- getutmp (&in64, &out64);
+ __getutmp (&in64, &out64);
utmp_convert64to32 (&out64, utmp);
}
symbol_version (getutmp32, getutmp, GLIBC_2.1.1);
@@ -134,7 +134,7 @@ getutmpx32 (const struct utmp32 *utmp, struct utmpx32 *utmpx)
struct utmpx out64;
utmp_convert32to64 (utmp, &in64);
- getutmpx (&in64, &out64);
+ __getutmpx (&in64, &out64);
utmpx_convert64to32 (&out64, utmpx);
}
symbol_version (getutmpx32, getutmpx, GLIBC_2.1.1);
diff --git a/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.h b/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.h
index 5f468ed..c61e1cd 100644
--- a/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.h
+++ b/sysdeps/unix/sysv/linux/s390/s390-32/utmpx32.h
@@ -49,4 +49,16 @@ struct utmpx32
char __unused[20]; /* Reserved for future use. */
};
+/* The internal interface needed by the compat wrapper functions. */
+extern struct utmpx *__getutxent (void);
+extern struct utmpx *__getutxid (__const struct utmpx *__id);
+extern struct utmpx *__getutxline (__const struct utmpx *__line);
+extern struct utmpx *__pututxline (__const struct utmpx *__utmpx);
+extern void __updwtmpx (__const char *__wtmpx_file,
+ __const struct utmpx *__utmpx);
+extern void __getutmp (__const struct utmpx *__utmpx,
+ struct utmp *__utmp);
+extern void __getutmpx (__const struct utmp *__utmp,
+ struct utmpx *__utmpx);
+
#endif /* utmpx32.h */
--
1.6.6
Andreas.
--
Andreas Schwab, schwab@redhat.com
GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84 5EC7 45C6 250E 6F00 984E
"And now for something completely different."
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2010-01-26 18:18 [PATCH] Avoid PLT calls in utmp compat wrappers on Linux/s390 Andreas Schwab
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