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GNU C Library master sources branch master updated. glibc-2.18-380-g7a2ad8c
- From: azanella at sourceware dot org
- To: glibc-cvs at sourceware dot org
- Date: 13 Nov 2013 12:46:11 -0000
- Subject: GNU C Library master sources branch master updated. glibc-2.18-380-g7a2ad8c
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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=7a2ad8cf392acfcaef319e722dda9101d4d8b6bd
commit 7a2ad8cf392acfcaef319e722dda9101d4d8b6bd
Author: Adhemerval Zanella <azanella@linux.vnet.ibm.com>
Date: Wed Nov 13 06:45:19 2013 -0600
PowerPC: Fix __fe_mask_env export
This patch does not export __fe_mask_env anymore, only providing a
compatibility symbol. It fixes BZ#14143.
diff --git a/ChangeLog b/ChangeLog
index 67c0c38..f1e09b1 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,18 @@
+2013-11-13 Adhemerval Zanella <azanella@linux.vnet.ibm.com>
+
+ [BZ #14143]
+ * sysdeps/powerpc/bits/fenv.h (__fe_nomask_env): Remove declaration.
+ (__fe_mask_env): Likewise.
+ * sysdeps/powerpc/fpu/fenv_libc.h (__fe_nomask_env): Remove
+ libm_hidden_proto and add function prototype.
+ (__fe_mask_env): Add function prototype.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c
+ (__fe_nomask_env): Add compat symbol for GLIBC_2.1.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c
+ (__fe_mask_env): Remove compiler warnings regarding ununsed variables.
+ * sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c
+ (__fe_nomask_env): Add compat symbol for GLIBC_2.3.
+
2013-11-13 Marcus Shawcroft <marcus.shawcroft@linaro.org>
* elf/dl-lookup.c (_dl_lookup_symbol_x): If UNDEF_MAP is false
diff --git a/NEWS b/NEWS
index a6f25e1..3b44124 100644
--- a/NEWS
+++ b/NEWS
@@ -10,14 +10,14 @@ Version 2.19
* The following bugs are resolved with this release:
156, 387, 431, 832, 2801, 7003, 9954, 10278, 11087, 13028, 13982, 13985,
- 14029, 14155, 14547, 14699, 14752, 14876, 14910, 15048, 15218, 15277,
- 15308, 15362, 15374, 15400, 15427, 15522, 15531, 15532, 15608, 15609,
- 15610, 15632, 15640, 15670, 15672, 15680, 15681, 15723, 15734, 15735,
- 15736, 15748, 15749, 15754, 15760, 15763, 15764, 15797, 15799, 15825,
- 15844, 15847, 15849, 15855, 15856, 15857, 15859, 15867, 15886, 15887,
- 15890, 15892, 15893, 15895, 15897, 15905, 15909, 15917, 15919, 15921,
- 15923, 15939, 15948, 15963, 15966, 15985, 15988, 16032, 16034, 16036,
- 16037, 16041, 16071, 16072, 16074, 16078, 16112, 16150, 16153.
+ 14029, 14143, 14155, 14547, 14699, 14752, 14876, 14910, 15048, 15218,
+ 15277, 15308, 15362, 15374, 15400, 15427, 15522, 15531, 15532, 15608,
+ 15609, 15610, 15632, 15640, 15670, 15672, 15680, 15681, 15723, 15734,
+ 15735, 15736, 15748, 15749, 15754, 15760, 15763, 15764, 15797, 15799,
+ 15825, 15844, 15847, 15849, 15855, 15856, 15857, 15859, 15867, 15886,
+ 15887, 15890, 15892, 15893, 15895, 15897, 15905, 15909, 15917, 15919,
+ 15921, 15923, 15939, 15948, 15963, 15966, 15985, 15988, 16032, 16034,
+ 16036, 16037, 16041, 16071, 16072, 16074, 16078, 16112, 16150, 16153.
* CVE-2012-4412 The strcoll implementation caches indices and rules for
large collation sequences to optimize multiple passes. This cache
diff --git a/sysdeps/powerpc/bits/fenv.h b/sysdeps/powerpc/bits/fenv.h
index 122edd3..86bf94e 100644
--- a/sysdeps/powerpc/bits/fenv.h
+++ b/sysdeps/powerpc/bits/fenv.h
@@ -153,15 +153,12 @@ extern const fenv_t __fe_enabled_env;
extern const fenv_t __fe_nonieee_env;
# define FE_NONIEEE_ENV (&__fe_nonieee_env)
-__BEGIN_DECLS
-
/* Floating-point environment with all exceptions enabled. Note that
just evaluating this value does not change the processor exception mode.
Passing this mask to fesetenv will result in a prctl syscall to change
the MSR FE0/FE1 bits to "Precise Mode". On some processors this will
result in slower floating point execution. This will last until an
fenv or exception mask is installed that disables all FP exceptions. */
-extern const fenv_t *__fe_nomask_env (void);
# define FE_NOMASK_ENV FE_ENABLED_ENV
/* Floating-point environment with all exceptions disabled. Note that
@@ -169,9 +166,6 @@ extern const fenv_t *__fe_nomask_env (void);
Passing this mask to fesetenv will result in a prctl syscall to change
the MSR FE0/FE1 bits to "Ignore Exceptions Mode". On most processors
this allows the fastest possible floating point execution.*/
-extern const fenv_t *__fe_mask_env (void);
# define FE_MASK_ENV FE_DFL_ENV
-__END_DECLS
-
#endif
diff --git a/sysdeps/powerpc/fpu/fenv_libc.h b/sysdeps/powerpc/fpu/fenv_libc.h
index baa2a7d..cb15c1c 100644
--- a/sysdeps/powerpc/fpu/fenv_libc.h
+++ b/sysdeps/powerpc/fpu/fenv_libc.h
@@ -23,7 +23,9 @@
#include <ldsodefs.h>
#include <sysdep.h>
-libm_hidden_proto (__fe_nomask_env)
+extern const fenv_t *__fe_nomask_env (void);
+
+extern const fenv_t *__fe_mask_env (void);
/* The sticky bits in the FPSCR indicating exceptions have occurred. */
#define FPSCR_STICKY_BITS ((FE_ALL_EXCEPT | FE_ALL_INVALID) & ~FE_INVALID)
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c
index 94db79f..dd3ec46 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c
@@ -23,6 +23,7 @@
#include <sysdep.h>
#include <sys/prctl.h>
#include <kernel-features.h>
+#include <shlib-compat.h>
const fenv_t *
__fe_nomask_env (void)
@@ -32,4 +33,6 @@ __fe_nomask_env (void)
return FE_ENABLED_ENV;
}
-libm_hidden_def (__fe_nomask_env)
+#if SHLIB_COMPAT (libm, GLIBC_2_1, GLIBC_2_18)
+compat_symbol (libm, __fe_nomask_env, __fe_nomask_env, GLIBC_2_1);
+#endif
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c
index 2ab5855..1d579bf 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_mask.c
@@ -27,9 +27,8 @@ const fenv_t *
__fe_mask_env (void)
{
#if defined PR_SET_FPEXC && defined PR_FP_EXC_DISABLED
- int result;
INTERNAL_SYSCALL_DECL (err);
- result = INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_DISABLED);
+ INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_DISABLED);
#else
__set_errno (ENOSYS);
#endif
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c
index fd2ffb1..5172f65 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c
@@ -22,17 +22,19 @@
#include <sys/syscall.h>
#include <sys/prctl.h>
#include <kernel-features.h>
+#include <shlib-compat.h>
const fenv_t *
__fe_nomask_env (void)
{
#if defined PR_SET_FPEXC && defined PR_FP_EXC_PRECISE
- int result;
INTERNAL_SYSCALL_DECL (err);
- result = INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE);
+ INTERNAL_SYSCALL (prctl, err, 2, PR_SET_FPEXC, PR_FP_EXC_PRECISE);
#else
__set_errno (ENOSYS);
#endif
return FE_ENABLED_ENV;
}
-libm_hidden_def (__fe_nomask_env)
+#if SHLIB_COMPAT (libm, GLIBC_2_3, GLIBC_2_18)
+compat_symbol (libm, __fe_nomask_env, __fe_nomask_env, GLIBC_2_3);
+#endif
-----------------------------------------------------------------------
Summary of changes:
ChangeLog | 15 +++++++++++++++
NEWS | 16 ++++++++--------
sysdeps/powerpc/bits/fenv.h | 6 ------
sysdeps/powerpc/fpu/fenv_libc.h | 4 +++-
.../sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c | 5 ++++-
.../sysv/linux/powerpc/powerpc64/fpu/fe_mask.c | 3 +--
.../sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c | 8 +++++---
7 files changed, 36 insertions(+), 21 deletions(-)
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