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2004-04-23  Jakub Jelinek  <jakub@redhat.com>

	* 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.
This commit is contained in:
Ulrich Drepper 2004-05-03 22:40:52 +00:00
parent 4bb8fc3301
commit 27b0258934
14 changed files with 199 additions and 97 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
ChangeLog
View File

@ -1,3 +1,18 @@
2004-04-23 Jakub Jelinek <jakub@redhat.com>
* 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 <jakub@redhat.com>
* sysdeps/unix/bsd/bits/fcntl.h (F_SETOWN, F_GETOWN): Define if

6
include/libc-symbols.h
View File

@ -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. */

24
linuxthreads/ChangeLog
View File

@ -1,3 +1,27 @@
2004-05-02 Jakub Jelinek <jakub@redhat.com>
* 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 <jakub@redhat.com>
* Versions (libc): Add __on_exit and __libc_sigaction.

13
linuxthreads/join.c
View File

@ -22,6 +22,7 @@
#include "internals.h"
#include "spinlock.h"
#include "restart.h"
#include <not-cancel.h>
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;
}

19
linuxthreads/manager.c
View File

@ -36,6 +36,7 @@
#include "spinlock.h"
#include "restart.h"
#include "semaphore.h"
#include <not-cancel.h>
/* 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)));
}
}

41
linuxthreads/pthread.c
View File

@ -34,6 +34,7 @@
#include <ldsodefs.h>
#include <tls.h>
#include <version.h>
#include <not-cancel.h>
/* 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

5
linuxthreads/semaphore.c
View File

@ -22,6 +22,7 @@
#include "restart.h"
#include "queue.h"
#include <shlib-compat.h>
#include <not-cancel.h>
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;
}

6
linuxthreads/specific.c
View File

@ -22,7 +22,7 @@
#include "spinlock.h"
#include "restart.h"
#include <bits/libc-lock.h>
#include <not-cancel.h>
/* 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);
}

6
nptl/ChangeLog
View File

@ -1,3 +1,9 @@
2004-04-23 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h (SYSDEP_CANCEL_ERRNO,
SYSDEP_CANCEL_ERROR): Define.
(PSEUDO): Use it.
2004-05-01 Jakub Jelinek <jakub@redhat.com>
* Versions (libpthread): Remove __pthread_cleanup_upto@@GLIBC_PRIVATE.

121
nptl/sysdeps/unix/sysv/linux/ia64/sysdep-cancel.h
View File

@ -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 <jakub@redhat.com>, 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 \

2
sysdeps/ia64/bcopy.S
View File

@ -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)

1
sysdeps/ia64/fpu/libc_libm_error.c
View File

@ -11,3 +11,4 @@ __libm_error_support (void *arg1, void *arg2, void *retval,
{
__set_errno (ERANGE);
}
libc_hidden_def (__libm_error_support)

8
sysdeps/ia64/fpu/libm_support.h
View File

@ -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. */

29
sysdeps/unix/sysv/linux/ia64/sysdep.S
View File

@ -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 <davidm@hpl.hp.com>.
@ -19,9 +19,34 @@
#include <sysdep.h>
#include <features.h>
#include <tls.h>
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