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authorBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2011-05-11 20:42:18 +0200
committerBernhard Reutner-Fischer <rep.dot.nop@gmail.com>2011-05-11 20:42:18 +0200
commit803ea5ff0514ba250b23d134590b5c5d53a994f8 (patch)
tree8d208f241938973ac434149ba884ec7bbc917dc7 /libpthread/nptl
parent08c36f4c11f5ffdcd1656802257ea472df8339e7 (diff)
lll: avoid shadow warnings
use __ret uniformly to avoid shadow warnings as seen on x86_64. Signed-off-by: Bernhard Reutner-Fischer <rep.dot.nop@gmail.com>
Diffstat (limited to 'libpthread/nptl')
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h32
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h96
-rw-r--r--libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h32
3 files changed, 80 insertions, 80 deletions
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h b/libpthread/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
index ab1a9395e..db951a10e 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/i386/lowlevellock.h
@@ -336,7 +336,7 @@ LLL_STUB_UNWIND_INFO_END
})
#define lll_robust_lock(futex, id, private) \
- ({ int __result, ignore1, ignore2; \
+ ({ int __ret, ignore1, ignore2; \
__asm__ __volatile__ (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
"jnz _L_robust_lock_%=\n\t" \
".subsection 1\n\t" \
@@ -350,11 +350,11 @@ LLL_STUB_UNWIND_INFO_END
".previous\n" \
LLL_STUB_UNWIND_INFO_4 \
"18:" \
- : "=a" (__result), "=c" (ignore1), "=m" (futex), \
+ : "=a" (__ret), "=c" (ignore1), "=m" (futex), \
"=&d" (ignore2) \
: "0" (0), "1" (id), "m" (futex), "g" ((int) (private))\
: "memory"); \
- __result; })
+ __ret; })
/* Special version of lll_lock which causes the unlock function to
@@ -383,7 +383,7 @@ LLL_STUB_UNWIND_INFO_END
#define lll_robust_cond_lock(futex, id, private) \
- ({ int __result, ignore1, ignore2; \
+ ({ int __ret, ignore1, ignore2; \
__asm__ __volatile__ (LOCK_INSTR "cmpxchgl %1, %2\n\t" \
"jnz _L_robust_cond_lock_%=\n\t" \
".subsection 1\n\t" \
@@ -397,16 +397,16 @@ LLL_STUB_UNWIND_INFO_END
".previous\n" \
LLL_STUB_UNWIND_INFO_4 \
"18:" \
- : "=a" (__result), "=c" (ignore1), "=m" (futex), \
+ : "=a" (__ret), "=c" (ignore1), "=m" (futex), \
"=&d" (ignore2) \
: "0" (0), "1" (id | FUTEX_WAITERS), "m" (futex), \
"g" ((int) (private)) \
: "memory"); \
- __result; })
+ __ret; })
#define lll_timedlock(futex, timeout, private) \
- ({ int __result, ignore1, ignore2, ignore3; \
+ ({ int __ret, ignore1, ignore2, ignore3; \
__asm__ __volatile__ (LOCK_INSTR "cmpxchgl %1, %3\n\t" \
"jnz _L_timedlock_%=\n\t" \
".subsection 1\n\t" \
@@ -420,16 +420,16 @@ LLL_STUB_UNWIND_INFO_END
".previous\n" \
LLL_STUB_UNWIND_INFO_4 \
"18:" \
- : "=a" (__result), "=c" (ignore1), "=&d" (ignore2), \
+ : "=a" (__ret), "=c" (ignore1), "=&d" (ignore2), \
"=m" (futex), "=S" (ignore3) \
: "0" (0), "1" (1), "m" (futex), "m" (timeout), \
"4" ((int) (private)) \
: "memory"); \
- __result; })
+ __ret; })
#define lll_robust_timedlock(futex, timeout, id, private) \
- ({ int __result, ignore1, ignore2, ignore3; \
+ ({ int __ret, ignore1, ignore2, ignore3; \
__asm__ __volatile__ (LOCK_INSTR "cmpxchgl %1, %3\n\t" \
"jnz _L_robust_timedlock_%=\n\t" \
".subsection 1\n\t" \
@@ -443,12 +443,12 @@ LLL_STUB_UNWIND_INFO_END
".previous\n" \
LLL_STUB_UNWIND_INFO_4 \
"18:" \
- : "=a" (__result), "=c" (ignore1), "=&d" (ignore2), \
+ : "=a" (__ret), "=c" (ignore1), "=&d" (ignore2), \
"=m" (futex), "=S" (ignore3) \
: "0" (0), "1" (id), "m" (futex), "m" (timeout), \
"4" ((int) (private)) \
: "memory"); \
- __result; })
+ __ret; })
#if defined NOT_IN_libc || defined UP
# define __lll_unlock_asm LOCK_INSTR "subl $1, %0\n\t"
@@ -570,15 +570,15 @@ extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
__attribute__ ((regparm (2))) attribute_hidden;
#define lll_timedwait_tid(tid, abstime) \
({ \
- int __result = 0; \
+ int __ret = 0; \
if (tid != 0) \
{ \
if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) \
- __result = EINVAL; \
+ __ret = EINVAL; \
else \
- __result = __lll_timedwait_tid (&tid, abstime); \
+ __ret = __lll_timedwait_tid (&tid, abstime); \
} \
- __result; })
+ __ret; })
#endif /* !__ASSEMBLER__ */
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
index 0ea67e0ef..d10cd6116 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/sh/lowlevellock.h
@@ -98,7 +98,7 @@ extern int __lll_unlock_wake_private (int *__futex) attribute_hidden;
extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
#define lll_trylock(futex) \
- ({ unsigned char __result; \
+ ({ unsigned char __ret; \
__asm__ __volatile__ ("\
.align 2\n\
mova 1f,r0\n\
@@ -112,15 +112,15 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
1: mov r1,r15\n\
mov #-1,%0\n\
negc %0,%0"\
- : "=r" (__result) \
+ : "=r" (__ret) \
: "r" (&(futex)), \
"r" (LLL_LOCK_INITIALIZER_LOCKED), \
"r" (LLL_LOCK_INITIALIZER) \
: "r0", "r1", "r2", "t", "memory"); \
- __result; })
+ __ret; })
#define lll_robust_trylock(futex, id) \
- ({ unsigned char __result; \
+ ({ unsigned char __ret; \
__asm__ __volatile__ ("\
.align 2\n\
mova 1f,r0\n\
@@ -134,15 +134,15 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
1: mov r1,r15\n\
mov #-1,%0\n\
negc %0,%0"\
- : "=r" (__result) \
+ : "=r" (__ret) \
: "r" (&(futex)), \
"r" (id), \
"r" (LLL_LOCK_INITIALIZER) \
: "r0", "r1", "r2", "t", "memory"); \
- __result; })
+ __ret; })
#define lll_cond_trylock(futex) \
- ({ unsigned char __result; \
+ ({ unsigned char __ret; \
__asm__ __volatile__ ("\
.align 2\n\
mova 1f,r0\n\
@@ -156,15 +156,15 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
1: mov r1,r15\n\
mov #-1,%0\n\
negc %0,%0"\
- : "=r" (__result) \
+ : "=r" (__ret) \
: "r" (&(futex)), \
"r" (LLL_LOCK_INITIALIZER_WAITERS), \
"r" (LLL_LOCK_INITIALIZER) \
: "r0", "r1", "r2", "t", "memory"); \
- __result; })
+ __ret; })
#define lll_lock(futex, private) \
- (void) ({ int __result, *__futex = &(futex); \
+ (void) ({ int __ret, *__futex = &(futex); \
__asm__ __volatile__ ("\
.align 2\n\
mova 1f,r0\n\
@@ -176,20 +176,20 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
bf 1f\n\
mov.l %1,@%2\n\
1: mov r1,r15"\
- : "=&r" (__result) : "r" (1), "r" (__futex) \
+ : "=&r" (__ret) : "r" (1), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
- if (__result) \
+ if (__ret) \
{ \
if (__builtin_constant_p (private) \
&& (private) == LLL_PRIVATE) \
- __lll_lock_wait_private (__result, __futex); \
+ __lll_lock_wait_private (__ret, __futex); \
else \
- __lll_lock_wait (__result, __futex, (private)); \
+ __lll_lock_wait (__ret, __futex, (private)); \
} \
})
#define lll_robust_lock(futex, id, private) \
- ({ int __result, *__futex = &(futex); \
+ ({ int __ret, *__futex = &(futex); \
__asm__ __volatile__ ("\
.align 2\n\
mova 1f,r0\n\
@@ -201,16 +201,16 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
bf 1f\n\
mov.l %1,@%2\n\
1: mov r1,r15"\
- : "=&r" (__result) : "r" (id), "r" (__futex) \
+ : "=&r" (__ret) : "r" (id), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
- if (__result) \
- __result = __lll_robust_lock_wait (__result, __futex, private); \
- __result; })
+ if (__ret) \
+ __ret = __lll_robust_lock_wait (__ret, __futex, private); \
+ __ret; })
/* Special version of lll_mutex_lock which causes the unlock function to
always wakeup waiters. */
#define lll_cond_lock(futex, private) \
- (void) ({ int __result, *__futex = &(futex); \
+ (void) ({ int __ret, *__futex = &(futex); \
__asm__ __volatile__ ("\
.align 2\n\
mova 1f,r0\n\
@@ -222,13 +222,13 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
bf 1f\n\
mov.l %1,@%2\n\
1: mov r1,r15"\
- : "=&r" (__result) : "r" (2), "r" (__futex) \
+ : "=&r" (__ret) : "r" (2), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
- if (__result) \
- __lll_lock_wait (__result, __futex, private); })
+ if (__ret) \
+ __lll_lock_wait (__ret, __futex, private); })
#define lll_robust_cond_lock(futex, id, private) \
- ({ int __result, *__futex = &(futex); \
+ ({ int __ret, *__futex = &(futex); \
__asm__ __volatile__ ("\
.align 2\n\
mova 1f,r0\n\
@@ -240,14 +240,14 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
bf 1f\n\
mov.l %1,@%2\n\
1: mov r1,r15"\
- : "=&r" (__result) : "r" (id | FUTEX_WAITERS), "r" (__futex) \
+ : "=&r" (__ret) : "r" (id | FUTEX_WAITERS), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
- if (__result) \
- __result = __lll_robust_lock_wait (__result, __futex, private); \
- __result; })
+ if (__ret) \
+ __ret = __lll_robust_lock_wait (__ret, __futex, private); \
+ __ret; })
#define lll_timedlock(futex, timeout, private) \
- ({ int __result, *__futex = &(futex); \
+ ({ int __ret, *__futex = &(futex); \
__asm__ __volatile__ ("\
.align 2\n\
mova 1f,r0\n\
@@ -259,14 +259,14 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
bf 1f\n\
mov.l %1,@%2\n\
1: mov r1,r15"\
- : "=&r" (__result) : "r" (1), "r" (__futex) \
+ : "=&r" (__ret) : "r" (1), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
- if (__result) \
- __result = __lll_timedlock_wait (__result, __futex, timeout, private); \
- __result; })
+ if (__ret) \
+ __ret = __lll_timedlock_wait (__ret, __futex, timeout, private); \
+ __ret; })
#define lll_robust_timedlock(futex, timeout, id, private) \
- ({ int __result, *__futex = &(futex); \
+ ({ int __ret, *__futex = &(futex); \
__asm__ __volatile__ ("\
.align 2\n\
mova 1f,r0\n\
@@ -278,15 +278,15 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
bf 1f\n\
mov.l %1,@%2\n\
1: mov r1,r15"\
- : "=&r" (__result) : "r" (id), "r" (__futex) \
+ : "=&r" (__ret) : "r" (id), "r" (__futex) \
: "r0", "r1", "t", "memory"); \
- if (__result) \
- __result = __lll_robust_timedlock_wait (__result, __futex, \
+ if (__ret) \
+ __ret = __lll_robust_timedlock_wait (__ret, __futex, \
timeout, private); \
- __result; })
+ __ret; })
#define lll_unlock(futex, private) \
- (void) ({ int __result, *__futex = &(futex); \
+ (void) ({ int __ret, *__futex = &(futex); \
__asm__ __volatile__ ("\
.align 2\n\
mova 1f,r0\n\
@@ -296,9 +296,9 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
add #-1,%0\n\
mov.l %0,@%1\n\
1: mov r1,r15"\
- : "=&r" (__result) : "r" (__futex) \
+ : "=&r" (__ret) : "r" (__futex) \
: "r0", "r1", "memory"); \
- if (__result) \
+ if (__ret) \
{ \
if (__builtin_constant_p (private) \
&& (private) == LLL_PRIVATE) \
@@ -309,7 +309,7 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
})
#define lll_robust_unlock(futex, private) \
- (void) ({ int __result, *__futex = &(futex); \
+ (void) ({ int __ret, *__futex = &(futex); \
__asm__ __volatile__ ("\
.align 2\n\
mova 1f,r0\n\
@@ -319,9 +319,9 @@ extern int __lll_unlock_wake (int *__futex, int private) attribute_hidden;
and %2,%0\n\
mov.l %0,@%1\n\
1: mov r1,r15"\
- : "=&r" (__result) : "r" (__futex), "r" (FUTEX_WAITERS) \
+ : "=&r" (__ret) : "r" (__futex), "r" (FUTEX_WAITERS) \
: "r0", "r1", "memory"); \
- if (__result) \
+ if (__ret) \
__lll_unlock_wake (__futex, private); })
#define lll_robust_dead(futex, private) \
@@ -405,15 +405,15 @@ extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
attribute_hidden;
#define lll_timedwait_tid(tid, abstime) \
({ \
- int __result = 0; \
+ int __ret = 0; \
if (tid != 0) \
{ \
if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) \
- __result = EINVAL; \
+ __ret = EINVAL; \
else \
- __result = __lll_timedwait_tid (&tid, abstime); \
+ __ret = __lll_timedwait_tid (&tid, abstime); \
} \
- __result; })
+ __ret; })
#endif /* !__ASSEMBLER__ */
diff --git a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
index ffab81eb5..afc40133e 100644
--- a/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
+++ b/libpthread/nptl/sysdeps/unix/sysv/linux/x86_64/lowlevellock.h
@@ -332,7 +332,7 @@ LLL_STUB_UNWIND_INFO_END
}) \
#define lll_robust_lock(futex, id, private) \
- ({ int result, ignore1, ignore2; \
+ ({ int __ret, ignore1, ignore2; \
__asm__ __volatile__ (LOCK_INSTR "cmpxchgl %4, %2\n\t" \
"jnz 1f\n\t" \
".subsection 1\n\t" \
@@ -348,10 +348,10 @@ LLL_STUB_UNWIND_INFO_END
LLL_STUB_UNWIND_INFO_5 \
"24:" \
: "=S" (ignore1), "=D" (ignore2), "=m" (futex), \
- "=a" (result) \
+ "=a" (__ret) \
: "1" (id), "m" (futex), "3" (0), "0" (private) \
: "cx", "r11", "cc", "memory"); \
- result; })
+ __ret; })
#define lll_cond_lock(futex, private) \
(void) \
@@ -377,7 +377,7 @@ LLL_STUB_UNWIND_INFO_END
})
#define lll_robust_cond_lock(futex, id, private) \
- ({ int result, ignore1, ignore2; \
+ ({ int __ret, ignore1, ignore2; \
__asm__ __volatile__ (LOCK_INSTR "cmpxchgl %4, %2\n\t" \
"jnz 1f\n\t" \
".subsection 1\n\t" \
@@ -393,14 +393,14 @@ LLL_STUB_UNWIND_INFO_END
LLL_STUB_UNWIND_INFO_5 \
"24:" \
: "=S" (ignore1), "=D" (ignore2), "=m" (futex), \
- "=a" (result) \
+ "=a" (__ret) \
: "1" (id | FUTEX_WAITERS), "m" (futex), "3" (0), \
"0" (private) \
: "cx", "r11", "cc", "memory"); \
- result; })
+ __ret; })
#define lll_timedlock(futex, timeout, private) \
- ({ int result, ignore1, ignore2, ignore3; \
+ ({ int __ret, ignore1, ignore2, ignore3; \
__asm__ __volatile__ (LOCK_INSTR "cmpxchgl %1, %4\n\t" \
"jnz 1f\n\t" \
".subsection 1\n\t" \
@@ -416,15 +416,15 @@ LLL_STUB_UNWIND_INFO_END
".previous\n" \
LLL_STUB_UNWIND_INFO_6 \
"24:" \
- : "=a" (result), "=D" (ignore1), "=S" (ignore2), \
+ : "=a" (__ret), "=D" (ignore1), "=S" (ignore2), \
"=&d" (ignore3), "=m" (futex) \
: "0" (0), "1" (1), "m" (futex), "m" (timeout), \
"2" (private) \
: "memory", "cx", "cc", "r10", "r11"); \
- result; })
+ __ret; })
#define lll_robust_timedlock(futex, timeout, id, private) \
- ({ int result, ignore1, ignore2, ignore3; \
+ ({ int __ret, ignore1, ignore2, ignore3; \
__asm__ __volatile__ (LOCK_INSTR "cmpxchgl %1, %4\n\t" \
"jnz 1f\n\t" \
".subsection 1\n\t" \
@@ -440,12 +440,12 @@ LLL_STUB_UNWIND_INFO_END
".previous\n" \
LLL_STUB_UNWIND_INFO_6 \
"24:" \
- : "=a" (result), "=D" (ignore1), "=S" (ignore2), \
+ : "=a" (__ret), "=D" (ignore1), "=S" (ignore2), \
"=&d" (ignore3), "=m" (futex) \
: "0" (0), "1" (id), "m" (futex), "m" (timeout), \
"2" (private) \
: "memory", "cx", "cc", "r10", "r11"); \
- result; })
+ __ret; })
#if defined NOT_IN_libc || defined UP
# define __lll_unlock_asm_start LOCK_INSTR "decl %0\n\t" \
@@ -583,15 +583,15 @@ extern int __lll_timedwait_tid (int *tid, const struct timespec *abstime)
attribute_hidden;
#define lll_timedwait_tid(tid, abstime) \
({ \
- int __result = 0; \
+ int __ret = 0; \
if (tid != 0) \
{ \
if (abstime->tv_nsec < 0 || abstime->tv_nsec >= 1000000000) \
- __result = EINVAL; \
+ __ret = EINVAL; \
else \
- __result = __lll_timedwait_tid (&tid, abstime); \
+ __ret = __lll_timedwait_tid (&tid, abstime); \
} \
- __result; })
+ __ret; })
#endif /* !__ASSEMBLER__ */