gprofng: Use symver attribute if available

Use symver attribute if available, instead of asm statement, to support
LTO build.

	PR gprof/28962
	* libcollector/dispatcher.c (timer_create@@GLIBC_2.3.3): Use
	SYMVER_ATTRIBUTE.
	(timer_create@GLIBC_2.2): Likewise.
	(timer_create@GLIBC_2.2.5): Likewise.
	(pthread_create@@GLIBC_2.1): Likewise.
	(pthread_create@GLIBC_2.0): Likewise.
	* libcollector/iotrace.c (open64@@GLIBC_2.2): Likewise.
	(open64@GLIBC_2.1): Likewise.
	(fopen@@GLIBC_2.1): Likewise.
	(fopen@GLIBC_2.0): Likewise.
	(fclose@@GLIBC_2.1): Likewise.
	(fclose@GLIBC_2.0): Likewise.
	(fdopen@@GLIBC_2.1): Likewise.
	(fdopen@GLIBC_2.0): Likewise.
	(pread@@GLIBC_2.2): Likewise.
	(pread@GLIBC_2.1): Likewise.
	(pwrite@@GLIBC_2.2): Likewise.
	(pwrite@GLIBC_2.1): Likewise.
	(pwrite64@@GLIBC_2.2): Likewise.
	(pwrite64@GLIBC_2.1): Likewise.
	(fgetpos@@GLIBC_2.2): Likewise.
	(fgetpos@GLIBC_2.0): Likewise.
	(fgetpos64@@GLIBC_2.2): Likewise.
	(fgetpos64@GLIBC_2.1): Likewise.
	(fsetpos@@GLIBC_2.2): Likewise.
	(fsetpos@GLIBC_2.0): Likewise.
	(fsetpos64@@GLIBC_2.2): Likewise.
	(fsetpos64@GLIBC_2.1): Likewise.
	* libcollector/linetrace.c (posix_spawn@@GLIBC_2.15): Likewise.
	(posix_spawn@GLIBC_2.2): Likewise.
	(posix_spawn@GLIBC_2.2.5): Likewise.
	(posix_spawnp@@GLIBC_2.15): Likewise.
	(posix_spawnp@GLIBC_2.2): Likewise.
	(posix_spawnp@GLIBC_2.2.5): Likewise.
	(popen@@GLIBC_2.1): Likewise.
	(popen@GLIBC_2.0): Likewise.
	(_popen@@GLIBC_2.1): Likewise.
	(_popen@GLIBC_2.0): Likewise.
	* libcollector/mmaptrace.c (dlopen@@GLIBC_2.1): Likewise.
	(dlopen@GLIBC_2.0): Likewise.
	* libcollector/synctrace.c (pthread_cond_wait@@GLIBC_2.3.2):
	Likewise.
	(pthread_cond_wait@GLIBC_2.0): Likewise.
	(pthread_cond_wait@GLIBC_2.2.5): Likewise.
	(pthread_cond_wait@GLIBC_2.2): Likewise.
	(pthread_cond_timedwait@@GLIBC_2.3.2): Likewise.
	(pthread_cond_timedwait@GLIBC_2.0): Likewise.
	(pthread_cond_timedwait@GLIBC_2.2.5): Likewise.
	(pthread_cond_timedwait@GLIBC_2.2): Likewise.
	(sem_wait@@GLIBC_2.1): Likewise.
	(sem_wait@GLIBC_2.0): Likewise.
	* src/collector_module.h (SYMVER_ATTRIBUTE): New.

1 files changed, 10 insertions, 17 deletions

diff --git a/gprofng/libcollector/linetrace.c b/gprofng/libcollector/linetrace.c
index 970d68c507b..978c5503e2e 100644
--- a/gprofng/libcollector/linetrace.c
+++ b/gprofng/libcollector/linetrace.c
@@ -1353,6 +1353,7 @@ __collector_posix_spawn_symver (int(real_posix_spawn) (),
 				const posix_spawnattr_t *attrp,
 				char *const argv[], char *const envp[]);
 
+SYMVER_ATTRIBUTE (__collector_posix_spawn_2_15, posix_spawn@@GLIBC_2.15)
 int
 __collector_posix_spawn_2_15 (pid_t *pidp, const char *path,
 			      const posix_spawn_file_actions_t *file_actions,
@@ -1367,9 +1368,8 @@ __collector_posix_spawn_2_15 (pid_t *pidp, const char *path,
 					 path, file_actions, attrp, argv, envp);
 }
 
-__asm__(".symver __collector_posix_spawn_2_15,posix_spawn@@GLIBC_2.15");
-
 #if WSIZE(32)
+SYMVER_ATTRIBUTE (__collector_posix_spawn_2_2, posix_spawn@GLIBC_2.2)
 int
 __collector_posix_spawn_2_2 (pid_t *pidp, const char *path,
 			     const posix_spawn_file_actions_t *file_actions,
@@ -1384,9 +1384,8 @@ __collector_posix_spawn_2_2 (pid_t *pidp, const char *path,
 					 path, file_actions, attrp, argv, envp);
 }
 
-__asm__(".symver __collector_posix_spawn_2_2,posix_spawn@GLIBC_2.2");
-
 #else /* ^WSIZE(32) */
+SYMVER_ATTRIBUTE (__collector_posix_spawn_2_2_5, posix_spawn@GLIBC_2.2.5)
 int
 __collector_posix_spawn_2_2_5 (pid_t *pidp, const char *path,
 			       const posix_spawn_file_actions_t *file_actions,
@@ -1400,8 +1399,6 @@ __collector_posix_spawn_2_2_5 (pid_t *pidp, const char *path,
   return __collector_posix_spawn_symver (CALL_REAL (posix_spawn_2_2_5), pidp,
 					 path, file_actions, attrp, argv, envp);
 }
-
-__asm__(".symver __collector_posix_spawn_2_2_5,posix_spawn@GLIBC_2.2.5");
 #endif /* ^WSIZE(32) */
 
 static int
@@ -1466,6 +1463,7 @@ __collector_posix_spawnp_symver (int(real_posix_spawnp) (), pid_t *pidp,
 				 const posix_spawnattr_t *attrp,
 				 char *const argv[], char *const envp[]);
 
+SYMVER_ATTRIBUTE (__collector_posix_spawnp_2_15, posix_spawnp@@GLIBC_2.15)
 int // Common interposition
 __collector_posix_spawnp_2_15 (pid_t *pidp, const char *path,
 			       const posix_spawn_file_actions_t *file_actions,
@@ -1480,10 +1478,9 @@ __collector_posix_spawnp_2_15 (pid_t *pidp, const char *path,
 					  path, file_actions, attrp, argv, envp);
 }
 
-__asm__(".symver __collector_posix_spawnp_2_15,posix_spawnp@@GLIBC_2.15");
-
 #if WSIZE(32)
 
+SYMVER_ATTRIBUTE (__collector_posix_spawnp_2_2, posix_spawnp@GLIBC_2.2)
 int
 __collector_posix_spawnp_2_2 (pid_t *pidp, const char *path,
 			      const posix_spawn_file_actions_t *file_actions,
@@ -1498,9 +1495,8 @@ __collector_posix_spawnp_2_2 (pid_t *pidp, const char *path,
 					  path, file_actions, attrp, argv, envp);
 }
 
-__asm__(".symver __collector_posix_spawnp_2_2,posix_spawnp@GLIBC_2.2");
-
 #else /* ^WSIZE(32) */
+SYMVER_ATTRIBUTE (__collector_posix_spawnp_2_2_5, posix_spawnp@GLIBC_2.2.5)
 int
 __collector_posix_spawnp_2_2_5 (pid_t *pidp, const char *path,
 				const posix_spawn_file_actions_t *file_actions,
@@ -1515,8 +1511,6 @@ __collector_posix_spawnp_2_2_5 (pid_t *pidp, const char *path,
 					  path, file_actions, attrp, argv, envp);
 }
 
-__asm__(".symver __collector_posix_spawnp_2_2_5,posix_spawnp@GLIBC_2.2.5");
-
 #endif /* ^WSIZE(32) */
 
 static int
@@ -1601,6 +1595,7 @@ __collector_system (const char *cmd)
 static FILE *
 __collector_popen_symver (FILE*(real_popen) (), const char *cmd, const char *mode);
 
+SYMVER_ATTRIBUTE (__collector_popen_2_1, popen@@GLIBC_2.1)
 FILE *
 __collector_popen_2_1 (const char *cmd, const char *mode)
 {
@@ -1610,6 +1605,7 @@ __collector_popen_2_1 (const char *cmd, const char *mode)
   return __collector_popen_symver (CALL_REALF (popen_2_1), cmd, mode);
 }
 
+SYMVER_ATTRIBUTE (__collector_popen_2_0, popen@GLIBC_2.0)
 FILE *
 __collector_popen_2_0 (const char *cmd, const char *mode)
 {
@@ -1619,6 +1615,7 @@ __collector_popen_2_0 (const char *cmd, const char *mode)
   return __collector_popen_symver (CALL_REALF (popen_2_0), cmd, mode);
 }
 
+SYMVER_ATTRIBUTE (__collector__popen_2_1, _popen@@GLIBC_2.1)
 FILE *
 __collector__popen_2_1 (const char *cmd, const char *mode)
 {
@@ -1628,6 +1625,7 @@ __collector__popen_2_1 (const char *cmd, const char *mode)
   return __collector_popen_symver (CALL_REALF (popen_2_1), cmd, mode);
 }
 
+SYMVER_ATTRIBUTE (__collector__popen_2_0, _popen@GLIBC_2.0)
 FILE *
 __collector__popen_2_0 (const char *cmd, const char *mode)
 {
@@ -1635,11 +1633,6 @@ __collector__popen_2_0 (const char *cmd, const char *mode)
     init_lineage_intf ();
   return __collector_popen_symver (CALL_REALF (popen_2_0), cmd, mode);
 }
-
-__asm__(".symver __collector_popen_2_1,popen@@GLIBC_2.1");
-__asm__(".symver __collector_popen_2_0,popen@GLIBC_2.0");
-__asm__(".symver __collector__popen_2_1,_popen@@GLIBC_2.1");
-__asm__(".symver __collector__popen_2_0,_popen@GLIBC_2.0");
 #else // WSIZE(64)
 FILE * popen () __attribute__ ((weak, alias ("__collector_popen")));
 #endif