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openSUSE:12.2:Update
cross-x86_64-gcc47-icecream-backend
pr49484.diff
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File pr49484.diff of Package cross-x86_64-gcc47-icecream-backend
2012-01-18 Richard Guenther <rguenther@suse.de> * gthr.h (__GTHREAD_MUTEX_INIT_FUNCTION): Adjust specification. * gthr-posix.h (__GTHREAD_MUTEX_INIT_FUNCTION): Define. (__gthread_mutex_init_function): New function. * gthr-single.h (__GTHREAD_MUTEX_INIT_FUNCTION): Define. PR gcov/49484 * libgcov.c: Include gthr.h. (__gcov_flush_mx): New global variable. (init_mx, init_mx_once): New functions. (__gcov_flush): Protect self with a mutex. (__gcov_fork): Re-initialize mutex after forking. * unwind-dw2-fde.c: Change condition under which to use __GTHREAD_MUTEX_INIT_FUNCTION. Index: libgcc/libgcov.c =================================================================== *** libgcc/libgcov.c.orig 2012-03-02 12:02:35.000000000 +0100 --- libgcc/libgcov.c 2012-03-14 13:01:34.000000000 +0100 *************** see the files COPYING3 and COPYING.RUNTI *** 30,35 **** --- 30,36 ---- #include "coretypes.h" #include "tm.h" #include "libgcc_tm.h" + #include "gthr.h" #if defined(inhibit_libc) #define IN_LIBGCOV (-1) *************** __gcov_init (struct gcov_info *info) *** 705,710 **** --- 706,730 ---- info->version = 0; } + #ifdef __GTHREAD_MUTEX_INIT + ATTRIBUTE_HIDDEN __gthread_mutex_t __gcov_flush_mx = __GTHREAD_MUTEX_INIT; + #define init_mx_once() + #else + __gthread_mutex_t __gcov_flush_mx ATTRIBUTE_HIDDEN; + + static void + init_mx (void) + { + __GTHREAD_MUTEX_INIT_FUNCTION (&mx); + } + static void + init_mx_once (void) + { + static __gthread_once_t once = __GTHREAD_ONCE_INIT; + __gthread_once (&once, init_mx); + } + #endif + /* Called before fork or exec - write out profile information gathered so far and reset it to zero. This avoids duplication or loss of the profile information gathered so far. */ *************** __gcov_flush (void) *** 714,719 **** --- 734,742 ---- { const struct gcov_info *gi_ptr; + init_mx_once (); + __gthread_mutex_lock (&__gcov_flush_mx); + gcov_exit (); for (gi_ptr = gcov_list; gi_ptr; gi_ptr = gi_ptr->next) { *************** __gcov_flush (void) *** 737,742 **** --- 760,767 ---- } } } + + __gthread_mutex_unlock (&__gcov_flush_mx); } #endif /* L_gcov */ *************** __gcov_ior_profiler (gcov_type *counters *** 975,982 **** pid_t __gcov_fork (void) { __gcov_flush (); ! return fork (); } #endif --- 1000,1012 ---- pid_t __gcov_fork (void) { + pid_t pid; + extern __gthread_mutex_t __gcov_flush_mx; __gcov_flush (); ! pid = fork (); ! if (pid == 0) ! __GTHREAD_MUTEX_INIT_FUNCTION (&__gcov_flush_mx); ! return pid; } #endif Index: libgcc/unwind-dw2-fde.c =================================================================== *** libgcc/unwind-dw2-fde.c.orig 2012-03-02 12:02:35.000000000 +0100 --- libgcc/unwind-dw2-fde.c 2012-03-14 13:01:34.000000000 +0100 *************** static struct object *seen_objects; *** 47,57 **** #ifdef __GTHREAD_MUTEX_INIT static __gthread_mutex_t object_mutex = __GTHREAD_MUTEX_INIT; #else static __gthread_mutex_t object_mutex; - #endif - #ifdef __GTHREAD_MUTEX_INIT_FUNCTION static void init_object_mutex (void) { --- 47,56 ---- #ifdef __GTHREAD_MUTEX_INIT static __gthread_mutex_t object_mutex = __GTHREAD_MUTEX_INIT; + #define init_object_mutex_once() #else static __gthread_mutex_t object_mutex; static void init_object_mutex (void) { *************** init_object_mutex_once (void) *** 64,71 **** static __gthread_once_t once = __GTHREAD_ONCE_INIT; __gthread_once (&once, init_object_mutex); } - #else - #define init_object_mutex_once() #endif /* Called from crtbegin.o to register the unwind info for an object. */ --- 63,68 ---- Index: libgcc/gthr-posix.h =================================================================== *** libgcc/gthr-posix.h.orig 2012-03-02 12:02:35.000000000 +0100 --- libgcc/gthr-posix.h 2012-03-14 13:02:09.000000000 +0100 *************** typedef struct timespec __gthread_time_t *** 63,68 **** --- 63,69 ---- #define __GTHREAD_HAS_COND 1 #define __GTHREAD_MUTEX_INIT PTHREAD_MUTEX_INITIALIZER + #define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function #define __GTHREAD_ONCE_INIT PTHREAD_ONCE_INIT #if defined(PTHREAD_RECURSIVE_MUTEX_INITIALIZER) #define __GTHREAD_RECURSIVE_MUTEX_INIT PTHREAD_RECURSIVE_MUTEX_INITIALIZER *************** typedef struct timespec __gthread_time_t *** 76,82 **** #ifdef _GTHREAD_USE_MUTEX_INIT_FUNC # undef __GTHREAD_MUTEX_INIT - # define __GTHREAD_MUTEX_INIT_FUNCTION __gthread_mutex_init_function #endif #ifdef _GTHREAD_USE_RECURSIVE_MUTEX_INIT_FUNC # undef __GTHREAD_RECURSIVE_MUTEX_INIT --- 77,82 ---- *************** __gthread_setspecific (__gthread_key_t _ *** 744,757 **** return __gthrw_(pthread_setspecific) (__key, __ptr); } - #ifdef _GTHREAD_USE_MUTEX_INIT_FUNC static inline void __gthread_mutex_init_function (__gthread_mutex_t *__mutex) { if (__gthread_active_p ()) __gthrw_(pthread_mutex_init) (__mutex, NULL); } - #endif static inline int __gthread_mutex_destroy (__gthread_mutex_t *__mutex) --- 744,755 ---- Index: libgcc/gthr-single.h =================================================================== *** libgcc/gthr-single.h.orig 2012-03-02 12:02:35.000000000 +0100 --- libgcc/gthr-single.h 2012-03-14 13:01:34.000000000 +0100 *************** typedef int __gthread_recursive_mutex_t; *** 36,41 **** --- 36,42 ---- #define __GTHREAD_ONCE_INIT 0 #define __GTHREAD_MUTEX_INIT 0 + #define __GTHREAD_MUTEX_INIT_FUNCTION(mx) #define __GTHREAD_RECURSIVE_MUTEX_INIT 0 #define UNUSED __attribute__((unused)) Index: libgcc/gthr.h =================================================================== *** libgcc/gthr.h.orig 2012-03-02 12:02:35.000000000 +0100 --- libgcc/gthr.h 2012-03-14 13:01:34.000000000 +0100 *************** see the files COPYING3 and COPYING.RUNTI *** 52,62 **** to initialize __gthread_mutex_t to get a fast non-recursive mutex. __GTHREAD_MUTEX_INIT_FUNCTION ! some systems can't initialize a mutex without a ! function call. On such systems, define this to a ! function which looks like this: void __GTHREAD_MUTEX_INIT_FUNCTION (__gthread_mutex_t *) ! Don't define __GTHREAD_MUTEX_INIT in this case __GTHREAD_RECURSIVE_MUTEX_INIT __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION as above, but for a recursive mutex. --- 52,63 ---- to initialize __gthread_mutex_t to get a fast non-recursive mutex. __GTHREAD_MUTEX_INIT_FUNCTION ! to initialize __gthread_mutex_t to get a fast ! non-recursive mutex. ! Define this to a function which looks like this: void __GTHREAD_MUTEX_INIT_FUNCTION (__gthread_mutex_t *) ! Some systems can't initialize a mutex without a ! function call. Don't define __GTHREAD_MUTEX_INIT in this case. __GTHREAD_RECURSIVE_MUTEX_INIT __GTHREAD_RECURSIVE_MUTEX_INIT_FUNCTION as above, but for a recursive mutex.
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