From 27b0258934adb212b760ead998d51f8005224abc Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Mon, 3 May 2004 22:40:52 +0000 Subject: Update. 2004-04-23 Jakub Jelinek * sysdeps/ia64/fpu/libm_support.h (__libm_error_support): Add libc_hidden_proto. Define to __GI___libm_error_support for assembly going into libc.so. * sysdeps/ia64/fpu/libc_libm_error.c (__libm_error_support): Add libc_hidden_def. * include/libc-symbols.h (HIDDEN_BUILTIN_JUMPTARGET): Define. * sysdeps/ia64/bcopy.S (bcopy): Use it for jump to memmove. * sysdeps/unix/sysv/linux/ia64/sysdep.S (__syscall_error): Access gprel errno if RTLD_PRIVATE_ERRNO or __thread __libc_errno/errno if USE___THREAD. --- ChangeLog | 15 +++ include/libc-symbols.h | 6 ++ linuxthreads/ChangeLog | 24 +++++ linuxthreads/join.c | 13 +-- linuxthreads/manager.c | 19 ++-- linuxthreads/pthread.c | 41 ++++---- linuxthreads/semaphore.c | 5 +- linuxthreads/specific.c | 6 +- nptl/ChangeLog | 6 ++ nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h | 121 ++++++++++++---------- sysdeps/ia64/bcopy.S | 2 +- sysdeps/ia64/fpu/libc_libm_error.c | 1 + sysdeps/ia64/fpu/libm_support.h | 8 ++ sysdeps/unix/sysv/linux/ia64/sysdep.S | 29 +++++- 14 files changed, 199 insertions(+), 97 deletions(-) diff --git a/ChangeLog b/ChangeLog index 75e536e3b4..50b88bde12 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,18 @@ +2004-04-23 Jakub Jelinek + + * sysdeps/ia64/fpu/libm_support.h (__libm_error_support): Add + libc_hidden_proto. Define to __GI___libm_error_support for + assembly going into libc.so. + * sysdeps/ia64/fpu/libc_libm_error.c (__libm_error_support): Add + libc_hidden_def. + + * include/libc-symbols.h (HIDDEN_BUILTIN_JUMPTARGET): Define. + * sysdeps/ia64/bcopy.S (bcopy): Use it for jump to memmove. + + * sysdeps/unix/sysv/linux/ia64/sysdep.S (__syscall_error): Access + gprel errno if RTLD_PRIVATE_ERRNO or __thread __libc_errno/errno + if USE___THREAD. + 2004-05-03 Jakub Jelinek * sysdeps/unix/bsd/bits/fcntl.h (F_SETOWN, F_GETOWN): Define if diff --git a/include/libc-symbols.h b/include/libc-symbols.h index e7074a6064..9cc72b261a 100644 --- a/include/libc-symbols.h +++ b/include/libc-symbols.h @@ -749,11 +749,17 @@ for linking") # define libc_hidden_builtin_def(name) libc_hidden_def (name) # define libc_hidden_builtin_weak(name) libc_hidden_weak (name) # define libc_hidden_builtin_ver(local, name) libc_hidden_ver (local, name) +# ifdef __ASSEMBLER__ +# define HIDDEN_BUILTIN_JUMPTARGET(name) HIDDEN_JUMPTARGET(name) +# endif #else # define libc_hidden_builtin_proto(name, attrs...) # define libc_hidden_builtin_def(name) # define libc_hidden_builtin_weak(name) # define libc_hidden_builtin_ver(local, name) +# ifdef __ASSEMBLER__ +# define HIDDEN_BUILTIN_JUMPTARGET(name) JUMPTARGET(name) +# endif #endif /* Get some dirty hacks. */ diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index d79cf86ba6..5840521e28 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,27 @@ +2004-05-02 Jakub Jelinek + + * manager.c: Include not-cancel.h. + (__pthread_manager): Use read_not_cancel instead of __libc_read. + (pthread_start_thread, __pthread_manager_sighandler): Use + write_not_cancel instead of __libc_write. + (pthread_reap_children): Use waitpid_not_cancel instead of + __libc_waitpid. + * pthread.c: Include not-cancel.h. + (__pthread_initialize_minimal, __pthread_create_2_1, + pthread_onexit_process, __pthread_message): Use + write_not_cancel instead of __libc_write. + (__pthread_initialize_manager): Likewise. Use close_not_cancel + instead of __libc_close. + (__pthread_reset_main_thread): Use close_not_cancel instead of + __libc_close. + * join.c: Include not-cancel.h. + (__pthread_do_exit, pthread_join, pthread_detach): Use + write_not_cancel instead of __libc_write. + * semaphore.c: Include not-cancel.h. + (__new_sem_post): Use write_not_cancel instead of __libc_write. + * specific.c: Include not-cancel.h. + (pthread_key_delete): Use write_not_cancel instead of __libc_write. + 2004-05-01 Jakub Jelinek * Versions (libc): Add __on_exit and __libc_sigaction. diff --git a/linuxthreads/join.c b/linuxthreads/join.c index 3d204296fc..148f222319 100644 --- a/linuxthreads/join.c +++ b/linuxthreads/join.c @@ -22,6 +22,7 @@ #include "internals.h" #include "spinlock.h" #include "restart.h" +#include void __pthread_exit(void * retval) { @@ -78,8 +79,8 @@ void __pthread_do_exit(void *retval, char *currentframe) if (self == __pthread_main_thread && __pthread_manager_request >= 0) { request.req_thread = self; request.req_kind = REQ_MAIN_THREAD_EXIT; - TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request, - (char *)&request, sizeof(request))); + TEMP_FAILURE_RETRY(write_not_cancel(__pthread_manager_request, + (char *)&request, sizeof(request))); suspend(self); /* Main thread flushes stdio streams and runs atexit functions. It also calls a handler within LinuxThreads which sends a process exit @@ -174,8 +175,8 @@ int pthread_join(pthread_t thread_id, void ** thread_return) request.req_thread = self; request.req_kind = REQ_FREE; request.req_args.free.thread_id = thread_id; - TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request, - (char *) &request, sizeof(request))); + TEMP_FAILURE_RETRY(write_not_cancel(__pthread_manager_request, + (char *) &request, sizeof(request))); } return 0; } @@ -212,8 +213,8 @@ int pthread_detach(pthread_t thread_id) request.req_thread = thread_self(); request.req_kind = REQ_FREE; request.req_args.free.thread_id = thread_id; - TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request, - (char *) &request, sizeof(request))); + TEMP_FAILURE_RETRY(write_not_cancel(__pthread_manager_request, + (char *) &request, sizeof(request))); } return 0; } diff --git a/linuxthreads/manager.c b/linuxthreads/manager.c index 876dd32772..f21a6def6f 100644 --- a/linuxthreads/manager.c +++ b/linuxthreads/manager.c @@ -36,6 +36,7 @@ #include "spinlock.h" #include "restart.h" #include "semaphore.h" +#include /* For debugging purposes put the maximum number of threads in a variable. */ const int __linuxthreads_pthread_threads_max = PTHREAD_THREADS_MAX; @@ -141,8 +142,8 @@ __pthread_manager(void *arg) /* Raise our priority to match that of main thread */ __pthread_manager_adjust_prio(__pthread_main_thread->p_priority); /* Synchronize debugging of the thread manager */ - n = TEMP_FAILURE_RETRY(__libc_read(reqfd, (char *)&request, - sizeof(request))); + n = TEMP_FAILURE_RETRY(read_not_cancel(reqfd, (char *)&request, + sizeof(request))); ASSERT(n == sizeof(request) && request.req_kind == REQ_DEBUG); ufd.fd = reqfd; ufd.events = POLLIN; @@ -162,8 +163,8 @@ __pthread_manager(void *arg) } /* Read and execute request */ if (n == 1 && (ufd.revents & POLLIN)) { - n = TEMP_FAILURE_RETRY(__libc_read(reqfd, (char *)&request, - sizeof(request))); + n = TEMP_FAILURE_RETRY(read_not_cancel(reqfd, (char *)&request, + sizeof(request))); #ifdef DEBUG if (n < 0) { char d[64]; @@ -301,8 +302,8 @@ pthread_start_thread(void *arg) if (__pthread_threads_debug && __pthread_sig_debug > 0) { request.req_thread = self; request.req_kind = REQ_DEBUG; - TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request, - (char *) &request, sizeof(request))); + TEMP_FAILURE_RETRY(write_not_cancel(__pthread_manager_request, + (char *) &request, sizeof(request))); suspend(self); } /* Run the thread code */ @@ -970,7 +971,7 @@ static void pthread_reap_children(void) pid_t pid; int status; - while ((pid = __libc_waitpid(-1, &status, WNOHANG | __WCLONE)) > 0) { + while ((pid = waitpid_not_cancel(-1, &status, WNOHANG | __WCLONE)) > 0) { pthread_exited(pid); if (WIFSIGNALED(status)) { /* If a thread died due to a signal, send the same signal to @@ -1090,8 +1091,8 @@ void __pthread_manager_sighandler(int sig) struct pthread_request request; request.req_thread = 0; request.req_kind = REQ_KICK; - TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request, - (char *) &request, sizeof(request))); + TEMP_FAILURE_RETRY(write_not_cancel(__pthread_manager_request, + (char *) &request, sizeof(request))); } } diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c index 124aa5243d..6c98d73255 100644 --- a/linuxthreads/pthread.c +++ b/linuxthreads/pthread.c @@ -34,6 +34,7 @@ #include #include #include +#include /* Sanity check. */ #if !defined __SIGRTMIN || (__SIGRTMAX - __SIGRTMIN) < 3 @@ -328,8 +329,8 @@ __pthread_initialize_minimal(void) { static const char msg[] = "\ cannot allocate TLS data structures for initial thread\n"; - TEMP_FAILURE_RETRY (__libc_write (STDERR_FILENO, - msg, sizeof msg - 1)); + TEMP_FAILURE_RETRY (write_not_cancel (STDERR_FILENO, + msg, sizeof msg - 1)); abort (); } const char *lossage = TLS_INIT_TP (tcbp, 0); @@ -337,11 +338,11 @@ cannot allocate TLS data structures for initial thread\n"; { static const char msg[] = "cannot set up thread-local storage: "; const char nl = '\n'; - TEMP_FAILURE_RETRY (__libc_write (STDERR_FILENO, - msg, sizeof msg - 1)); - TEMP_FAILURE_RETRY (__libc_write (STDERR_FILENO, - lossage, strlen (lossage))); - TEMP_FAILURE_RETRY (__libc_write (STDERR_FILENO, &nl, 1)); + TEMP_FAILURE_RETRY (write_not_cancel (STDERR_FILENO, + msg, sizeof msg - 1)); + TEMP_FAILURE_RETRY (write_not_cancel (STDERR_FILENO, + lossage, strlen (lossage))); + TEMP_FAILURE_RETRY (write_not_cancel (STDERR_FILENO, &nl, 1)); } /* Though it was allocated with libc's malloc, that was done without @@ -657,8 +658,8 @@ int __pthread_initialize_manager(void) tcbp = _dl_allocate_tls (NULL); if (tcbp == NULL) { free(__pthread_manager_thread_bos); - __libc_close(manager_pipe[0]); - __libc_close(manager_pipe[1]); + close_not_cancel(manager_pipe[0]); + close_not_cancel(manager_pipe[1]); return -1; } @@ -787,8 +788,8 @@ int __pthread_initialize_manager(void) _dl_deallocate_tls (tcbp, true); #endif free(__pthread_manager_thread_bos); - __libc_close(manager_pipe[0]); - __libc_close(manager_pipe[1]); + close_not_cancel(manager_pipe[0]); + close_not_cancel(manager_pipe[1]); return -1; } mgr->p_tid = 2* PTHREAD_THREADS_MAX + 1; @@ -803,8 +804,8 @@ int __pthread_initialize_manager(void) } /* Synchronize debugging of the thread manager */ request.req_kind = REQ_DEBUG; - TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request, - (char *) &request, sizeof(request))); + TEMP_FAILURE_RETRY(write_not_cancel(__pthread_manager_request, + (char *) &request, sizeof(request))); return 0; } @@ -826,8 +827,8 @@ int __pthread_create_2_1(pthread_t *thread, const pthread_attr_t *attr, request.req_args.create.arg = arg; sigprocmask(SIG_SETMASK, (const sigset_t *) NULL, &request.req_args.create.mask); - TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request, - (char *) &request, sizeof(request))); + TEMP_FAILURE_RETRY(write_not_cancel(__pthread_manager_request, + (char *) &request, sizeof(request))); suspend(self); retval = THREAD_GETMEM(self, p_retcode); if (__builtin_expect (retval, 0) == 0) @@ -1004,8 +1005,8 @@ static void pthread_onexit_process(int retcode, void *arg) request.req_thread = self; request.req_kind = REQ_PROCESS_EXIT; request.req_args.exit.code = retcode; - TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request, - (char *) &request, sizeof(request))); + TEMP_FAILURE_RETRY(write_not_cancel(__pthread_manager_request, + (char *) &request, sizeof(request))); suspend(self); /* Main thread should accumulate times for thread manager and its children, so that timings for main thread account for all threads. */ @@ -1127,8 +1128,8 @@ void __pthread_reset_main_thread(void) free(__pthread_manager_thread_bos); __pthread_manager_thread_bos = __pthread_manager_thread_tos = NULL; /* Close the two ends of the pipe */ - __libc_close(__pthread_manager_request); - __libc_close(__pthread_manager_reader); + close_not_cancel(__pthread_manager_request); + close_not_cancel(__pthread_manager_reader); __pthread_manager_request = __pthread_manager_reader = -1; } @@ -1399,7 +1400,7 @@ void __pthread_message(const char * fmt, ...) va_start(args, fmt); vsnprintf(buffer + 8, sizeof(buffer) - 8, fmt, args); va_end(args); - TEMP_FAILURE_RETRY(__libc_write(2, buffer, strlen(buffer))); + TEMP_FAILURE_RETRY(write_not_cancel(2, buffer, strlen(buffer))); } #endif diff --git a/linuxthreads/semaphore.c b/linuxthreads/semaphore.c index 0793a5f712..017539e176 100644 --- a/linuxthreads/semaphore.c +++ b/linuxthreads/semaphore.c @@ -22,6 +22,7 @@ #include "restart.h" #include "queue.h" #include +#include int __new_sem_init(sem_t *sem, int pshared, unsigned int value) { @@ -168,8 +169,8 @@ int __new_sem_post(sem_t * sem) } request.req_kind = REQ_POST; request.req_args.post = sem; - TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request, - (char *) &request, sizeof(request))); + TEMP_FAILURE_RETRY(write_not_cancel(__pthread_manager_request, + (char *) &request, sizeof(request))); } return 0; } diff --git a/linuxthreads/specific.c b/linuxthreads/specific.c index aa8fcb5ab3..f54fabaeb9 100644 --- a/linuxthreads/specific.c +++ b/linuxthreads/specific.c @@ -22,7 +22,7 @@ #include "spinlock.h" #include "restart.h" #include - +#include /* Table of keys. */ @@ -120,8 +120,8 @@ int pthread_key_delete(pthread_key_t key) request.req_args.for_each.arg = &args; request.req_args.for_each.fn = pthread_key_delete_helper; - TEMP_FAILURE_RETRY(__libc_write(__pthread_manager_request, - (char *) &request, sizeof(request))); + TEMP_FAILURE_RETRY(write_not_cancel(__pthread_manager_request, + (char *) &request, sizeof(request))); suspend(self); } diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 3432b1a5b4..078b4817d8 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,9 @@ +2004-04-23 Jakub Jelinek + + * sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h (SYSDEP_CANCEL_ERRNO, + SYSDEP_CANCEL_ERROR): Define. + (PSEUDO): Use it. + 2004-05-01 Jakub Jelinek * Versions (libpthread): Remove __pthread_cleanup_upto@@GLIBC_PRIVATE. diff --git a/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h b/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h index 2fe1c6ad45..a360c68fe3 100644 --- a/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h +++ b/nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h @@ -1,4 +1,4 @@ -/* Copyright (C) 2002, 2003 Free Software Foundation, Inc. +/* Copyright (C) 2002, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Jakub Jelinek , 2002. @@ -27,9 +27,58 @@ # undef PSEUDO -#ifndef USE_DL_SYSINFO +# ifdef USE___THREAD +# ifndef NOT_IN_libc +# define SYSDEP_CANCEL_ERRNO __libc_errno +# else +# define SYSDEP_CANCEL_ERRNO errno +# endif +# define SYSDEP_CANCEL_ERROR(args) \ +.section .gnu.linkonce.t.__syscall_error_##args, "ax"; \ + .align 32; \ + .proc __syscall_error_##args; \ + .global __syscall_error_##args; \ + .hidden __syscall_error_##args; \ + .size __syscall_error_##args, 64; \ +__syscall_error_##args: \ + .prologue; \ + .regstk args, 5, args, 0; \ + .save ar.pfs, loc0; \ + .save rp, loc1; \ + .body; \ + addl loc4 = @ltoff(@tprel(SYSDEP_CANCEL_ERRNO)), gp;; \ + ld8 loc4 = [loc4]; \ + mov rp = loc1;; \ + mov r8 = -1; \ + add loc4 = loc4, r13;; \ + st4 [loc4] = loc3; \ + mov ar.pfs = loc0 +# else +# define SYSDEP_CANCEL_ERROR(args) \ +.section .gnu.linkonce.t.__syscall_error_##args, "ax"; \ + .align 32; \ + .proc __syscall_error_##args; \ + .global __syscall_error_##args; \ + .hidden __syscall_error_##args; \ + .size __syscall_error_##args, 64; \ +__syscall_error_##args: \ + .prologue; \ + .regstk args, 5, args, 0; \ + .save ar.pfs, loc0; \ + .save rp, loc1; \ + .body; \ + mov loc4 = r1;; \ + br.call.sptk.many b0 = __errno_location;; \ + st4 [r8] = loc3; \ + mov r1 = loc4; \ + mov rp = loc1; \ + mov r8 = -1; \ + mov ar.pfs = loc0 +# endif -# define PSEUDO(name, syscall_name, args) \ +# ifndef USE_DL_SYSINFO + +# define PSEUDO(name, syscall_name, args) \ .text; \ ENTRY (name) \ adds r14 = MULTIPLE_THREADS_OFFSET, r13;; \ @@ -71,29 +120,11 @@ __GC_##name: \ .Lpseudo_end: \ ret; \ .endp __GC_##name; \ -.section .gnu.linkonce.t.__syscall_error_##args, "ax"; \ - .align 32; \ - .proc __syscall_error_##args; \ - .global __syscall_error_##args; \ - .hidden __syscall_error_##args; \ - .size __syscall_error_##args, 64; \ -__syscall_error_##args: \ - .prologue; \ - .regstk args, 5, args, 0; \ - .save ar.pfs, loc0; \ - .save rp, loc1; \ - .body; \ - mov loc4 = r1;; \ - br.call.sptk.many b0 = __errno_location;; \ - st4 [r8] = loc3; \ - mov r1 = loc4; \ - mov rp = loc1; \ - mov r8 = -1; \ - mov ar.pfs = loc0 + SYSDEP_CANCEL_ERROR(args) -#else /* USE_DL_SYSINFO */ +# else /* USE_DL_SYSINFO */ -# define PSEUDO(name, syscall_name, args) \ +# define PSEUDO(name, syscall_name, args) \ .text; \ ENTRY (name) \ .prologue; \ @@ -146,30 +177,12 @@ __GC_##name: \ .Lpseudo_end: \ ret; \ .endp __GC_##name; \ -.section .gnu.linkonce.t.__syscall_error_##args, "ax"; \ - .align 32; \ - .proc __syscall_error_##args; \ - .global __syscall_error_##args; \ - .hidden __syscall_error_##args; \ - .size __syscall_error_##args, 64; \ -__syscall_error_##args: \ - .prologue; \ - .regstk args, 5, args, 0; \ - .save ar.pfs, loc0; \ - .save rp, loc1; \ - .body; \ - mov loc4 = r1;; \ - br.call.sptk.many b0 = __errno_location;; \ - st4 [r8] = loc3; \ - mov r1 = loc4; \ - mov rp = loc1; \ - mov r8 = -1; \ - mov ar.pfs = loc0 + SYSDEP_CANCEL_ERROR(args) -#endif /* USE_DL_SYSINFO */ +# endif /* USE_DL_SYSINFO */ -#undef PSEUDO_END -#define PSEUDO_END(name) .endp +# undef PSEUDO_END +# define PSEUDO_END(name) .endp # ifdef IS_IN_libpthread # define CENABLE br.call.sptk.many b0 = __pthread_enable_asynccancel @@ -184,14 +197,14 @@ __syscall_error_##args: \ # error Unsupported library # endif -#define COPY_ARGS_0 /* Nothing */ -#define COPY_ARGS_1 COPY_ARGS_0 mov out0 = in0; -#define COPY_ARGS_2 COPY_ARGS_1 mov out1 = in1; -#define COPY_ARGS_3 COPY_ARGS_2 mov out2 = in2; -#define COPY_ARGS_4 COPY_ARGS_3 mov out3 = in3; -#define COPY_ARGS_5 COPY_ARGS_4 mov out4 = in4; -#define COPY_ARGS_6 COPY_ARGS_5 mov out5 = in5; -#define COPY_ARGS_7 COPY_ARGS_6 mov out6 = in6; +# define COPY_ARGS_0 /* Nothing */ +# define COPY_ARGS_1 COPY_ARGS_0 mov out0 = in0; +# define COPY_ARGS_2 COPY_ARGS_1 mov out1 = in1; +# define COPY_ARGS_3 COPY_ARGS_2 mov out2 = in2; +# define COPY_ARGS_4 COPY_ARGS_3 mov out3 = in3; +# define COPY_ARGS_5 COPY_ARGS_4 mov out4 = in4; +# define COPY_ARGS_6 COPY_ARGS_5 mov out5 = in5; +# define COPY_ARGS_7 COPY_ARGS_6 mov out6 = in6; # ifndef __ASSEMBLER__ # define SINGLE_THREAD_P \ diff --git a/sysdeps/ia64/bcopy.S b/sysdeps/ia64/bcopy.S index a41c21d5a7..bdabf5acdc 100644 --- a/sysdeps/ia64/bcopy.S +++ b/sysdeps/ia64/bcopy.S @@ -6,5 +6,5 @@ ENTRY(bcopy) mov in0 = in1 ;; mov in1 = r8 - br.cond.sptk.many HIDDEN_JUMPTARGET(memmove) + br.cond.sptk.many HIDDEN_BUILTIN_JUMPTARGET(memmove) END(bcopy) diff --git a/sysdeps/ia64/fpu/libc_libm_error.c b/sysdeps/ia64/fpu/libc_libm_error.c index 83a0bae4df..5a34878d71 100644 --- a/sysdeps/ia64/fpu/libc_libm_error.c +++ b/sysdeps/ia64/fpu/libc_libm_error.c @@ -11,3 +11,4 @@ __libm_error_support (void *arg1, void *arg2, void *retval, { __set_errno (ERANGE); } +libc_hidden_def (__libm_error_support) diff --git a/sysdeps/ia64/fpu/libm_support.h b/sysdeps/ia64/fpu/libm_support.h index 68ebddec81..5d3498dfc9 100644 --- a/sysdeps/ia64/fpu/libm_support.h +++ b/sysdeps/ia64/fpu/libm_support.h @@ -239,6 +239,7 @@ typedef enum } error_types; void __libm_error_support(void*,void*,void*,error_types); +libc_hidden_proto(__libm_error_support) #define BIAS_64 1023 #define EXPINF_64 2047 @@ -340,6 +341,13 @@ extern _LIB_VERSION_TYPE _LIB_VERSION; // This is a run-time variable and may effect // floating point behavior of the libm functions +#elif defined _LIBC + +# if !defined NOT_IN_libc && defined SHARED && defined DO_VERSIONING \ + && !defined HAVE_BROKEN_ALIAS_ATTRIBUTE && !defined NO_HIDDEN +# define __libm_error_support __GI___libm_error_support +# endif + #endif /* __ASSEMBLER__ */ /* Support for compatible assembler handling. */ diff --git a/sysdeps/unix/sysv/linux/ia64/sysdep.S b/sysdeps/unix/sysv/linux/ia64/sysdep.S index c053c3a053..24780a1692 100644 --- a/sysdeps/unix/sysv/linux/ia64/sysdep.S +++ b/sysdeps/unix/sysv/linux/ia64/sysdep.S @@ -1,4 +1,4 @@ -/* Copyright (C) 1999, 2000, 2001, 2003 Free Software Foundation, Inc. +/* Copyright (C) 1999, 2000, 2001, 2003, 2004 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by David Mosberger-Tang . @@ -19,9 +19,34 @@ #include #include +#include ENTRY(__syscall_error) -#ifdef _LIBC_REENTRANT +#if RTLD_PRIVATE_ERRNO + /* + * Note that the gp has to be set properly for this to work. + * As long as all syscalls are in the same load unit + * (executable or shared library) as this routine, we should + * be fine. Otherwise, we would have to first load the global + * pointer register from __gp. + */ + addl r2=@gprel(errno),gp + ;; + st4 [r2]=r8 + mov r8=-1 +#elif defined USE___THREAD +# ifndef NOT_IN_libc +# define SYSCALL_ERROR_ERRNO __libc_errno +# else +# define SYSCALL_ERROR_ERRNO errno +# endif + addl r2=@ltoff(@tprel(SYSCALL_ERROR_ERRNO)), gp;; + ld8 r2=[r2] + mov r3=r8;; + mov r8=-1 + add r2=r2,r13;; + st4 [r2]=r3 +#elif defined _LIBC_REENTRANT .prologue ASM_UNW_PRLG_RP|ASM_UNW_PRLG_PFS, ASM_UNW_PRLG_GRSAVE(0) alloc r33=ar.pfs, 0, 4, 0, 0 mov r32=rp -- cgit 1.4.1