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1999-02-03  Jakub Jelinek  <jj@ultra.linux.cz>

	* sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S: Set branch
	prediction correctly.

	* sysdeps/unix/sysv/linux/sparc/sparc32/profil-counter.h: Signal
	takes a pointer to __sigcontext_t.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S: Do a nop after retl.
	* sysdeps/unix/sysv/linux/sparc/sparc32/Dist: Remove fork.S.
This commit is contained in:
Ulrich Drepper 1999-02-03 09:31:42 +00:00
parent e72ed84d09
commit f549233427
8 changed files with 40 additions and 17 deletions
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10
ChangeLog
View File

@ -1,3 +1,13 @@
1999-02-03 Jakub Jelinek <jj@ultra.linux.cz>
* sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S: Set branch
prediction correctly.
* sysdeps/unix/sysv/linux/sparc/sparc32/profil-counter.h: Signal
takes a pointer to __sigcontext_t.
* sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S: Do a nop after retl.
* sysdeps/unix/sysv/linux/sparc/sparc32/Dist: Remove fork.S.
1999-02-02 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> 1999-02-02 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
* manual/time.texi (General Time String Parsing): Fix typos. Fix * manual/time.texi (General Time String Parsing): Fix typos. Fix

11
linuxthreads/ChangeLog
View File

@ -1,3 +1,14 @@
1999-02-03 H.J. Lu <hjl@gnu.org>
* manager.c (__pthread_manager): Do block __pthread_sig_debug.
Don't restart the thread which sent REQ_DEBUG.
(pthread_start_thread): Check if __pthread_sig_debug > 0
before debugging.
* pthread.c (__pthread_initialize_manager): Suspend ourself
after sending __pthread_sig_debug to gdb instead of
__pthread_sig_cancel.
1999-01-24 H.J. Lu <hjl@gnu.org> 1999-01-24 H.J. Lu <hjl@gnu.org>
* manager.c (__pthread_manager): Delete __pthread_sig_debug * manager.c (__pthread_manager): Delete __pthread_sig_debug

8
linuxthreads/manager.c
View File

@ -104,8 +104,6 @@ int __pthread_manager(void *arg)
/* Block all signals except __pthread_sig_cancel and SIGTRAP */ /* Block all signals except __pthread_sig_cancel and SIGTRAP */
sigfillset(&mask); sigfillset(&mask);
sigdelset(&mask, __pthread_sig_cancel); /* for thread termination */ sigdelset(&mask, __pthread_sig_cancel); /* for thread termination */
if (__pthread_sig_debug > 0)
sigdelset(&mask, __pthread_sig_debug); /* for debugging purposes */
sigdelset(&mask, SIGTRAP); /* for debugging purposes */ sigdelset(&mask, SIGTRAP); /* for debugging purposes */
sigprocmask(SIG_SETMASK, &mask, NULL); sigprocmask(SIG_SETMASK, &mask, NULL);
/* Raise our priority to match that of main thread */ /* Raise our priority to match that of main thread */
@ -162,10 +160,10 @@ int __pthread_manager(void *arg)
sem_post(request.req_args.post); sem_post(request.req_args.post);
break; break;
case REQ_DEBUG: case REQ_DEBUG:
/* Make gdb aware of new thread */ /* Make gdb aware of new thread and gdb will restart the
new thread when it is ready to handle the new thread. */
if (__pthread_threads_debug && __pthread_sig_debug > 0) if (__pthread_threads_debug && __pthread_sig_debug > 0)
raise(__pthread_sig_debug); raise(__pthread_sig_debug);
restart(request.req_thread);
break; break;
} }
} }
@ -195,7 +193,7 @@ static int pthread_start_thread(void *arg)
THREAD_GETMEM(self, p_start_args.schedpolicy), THREAD_GETMEM(self, p_start_args.schedpolicy),
&self->p_start_args.schedparam); &self->p_start_args.schedparam);
/* Make gdb aware of new thread */ /* Make gdb aware of new thread */
if (__pthread_threads_debug) { if (__pthread_threads_debug && __pthread_sig_debug > 0) {
request.req_thread = self; request.req_thread = self;
request.req_kind = REQ_DEBUG; request.req_kind = REQ_DEBUG;
__libc_write(__pthread_manager_request, __libc_write(__pthread_manager_request,

7
linuxthreads/pthread.c
View File

@ -309,7 +309,12 @@ int __pthread_initialize_manager(void)
__pthread_manager_thread.p_pid = pid; __pthread_manager_thread.p_pid = pid;
/* Make gdb aware of new thread manager */ /* Make gdb aware of new thread manager */
if (__pthread_threads_debug && __pthread_sig_debug > 0) if (__pthread_threads_debug && __pthread_sig_debug > 0)
raise(__pthread_sig_cancel); {
raise(__pthread_sig_debug);
/* We suspend ourself and gdb will wake us up when it is
ready to handle us. */
suspend(thread_self());
}
/* Synchronize debugging of the thread manager */ /* Synchronize debugging of the thread manager */
request.req_kind = REQ_DEBUG; request.req_kind = REQ_DEBUG;
__libc_write(__pthread_manager_request, (char *) &request, sizeof(request)); __libc_write(__pthread_manager_request, (char *) &request, sizeof(request));

2
sysdeps/unix/sysv/linux/sparc/sparc32/Dist
View File

@ -1,6 +1,4 @@
clone.S clone.S
pipe.S
fork.S
kernel_stat.h kernel_stat.h
init-first.h init-first.h
setresuid.c setresuid.c

6
sysdeps/unix/sysv/linux/sparc/sparc32/profil-counter.h
View File

@ -1,5 +1,5 @@
/* Low-level statistical profiling support function. Linux/SPARC version. /* Low-level statistical profiling support function. Linux/SPARC version.
Copyright (C) 1997 Free Software Foundation, Inc. Copyright (C) 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -20,7 +20,7 @@
#include <signal.h> #include <signal.h>
void void
profil_counter (int signo, __siginfo_t si) profil_counter (int signo, __siginfo_t *si)
{ {
profil_count ((void *) si.si_regs.pc); profil_count ((void *) si->si_regs.pc);
} }

10
sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997 Free Software Foundation, Inc. /* Copyright (C) 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997. Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
@ -20,15 +20,15 @@
#include <sysdep.h> #include <sysdep.h>
ENTRY (__libc_pipe) ENTRY (__libc_pipe)
mov %o0, %o2 /* Save PIPEDES. */ mov %o0, %o2 /* Save PIPEDES. */
LOADSYSCALL(pipe) LOADSYSCALL(pipe)
ta 0x6d ta 0x6d
bcc,pn %xcc, 2f bcc,pt %xcc, 2f
nop nop
SYSCALL_ERROR_HANDLER SYSCALL_ERROR_HANDLER
2: st %o0, [%o2] /* PIPEDES[0] = %o0; */ 2: st %o0, [%o2] /* PIPEDES[0] = %o0; */
st %o1, [%o2 + 4] /* PIPEDES[1] = %o1; */ st %o1, [%o2 + 4] /* PIPEDES[1] = %o1; */
retl retl
clr %o0 clr %o0
PSEUDO_END (__libc_pipe) PSEUDO_END (__libc_pipe)

3
sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997 Free Software Foundation, Inc. /* Copyright (C) 1997, 1999 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -35,5 +35,6 @@ ENTRY (syscall)
SYSCALL_ERROR_HANDLER SYSCALL_ERROR_HANDLER
1: retl 1: retl
nop
PSEUDO_END (syscall) PSEUDO_END (syscall)