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authorUlrich Drepper <drepper@redhat.com>1999-02-03 09:31:42 +0000
committerUlrich Drepper <drepper@redhat.com>1999-02-03 09:31:42 +0000
commitf549233427db72d1f3f51a1d4bca548361231b46 (patch)
tree99db58a1f30711a7133d110c6e36aebec8def264
parente72ed84d09121b1529febfb8446e764cbc4749db (diff)
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Update.
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.
-rw-r--r--ChangeLog10
-rw-r--r--linuxthreads/ChangeLog11
-rw-r--r--linuxthreads/manager.c8
-rw-r--r--linuxthreads/pthread.c7
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/Dist2
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/profil-counter.h6
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S10
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S3
8 files changed, 40 insertions, 17 deletions
diff --git a/ChangeLog b/ChangeLog
index 37874a6ac2..c732150085 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -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>
* manual/time.texi (General Time String Parsing): Fix typos. Fix
diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index e65ee76222..352b34356f 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -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>
* manager.c (__pthread_manager): Delete __pthread_sig_debug
diff --git a/linuxthreads/manager.c b/linuxthreads/manager.c
index 033e5adc5f..9657cc5731 100644
--- a/linuxthreads/manager.c
+++ b/linuxthreads/manager.c
@@ -104,8 +104,6 @@ int __pthread_manager(void *arg)
/* Block all signals except __pthread_sig_cancel and SIGTRAP */
sigfillset(&mask);
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 */
sigprocmask(SIG_SETMASK, &mask, NULL);
/* Raise our priority to match that of main thread */
@@ -162,10 +160,10 @@ int __pthread_manager(void *arg)
sem_post(request.req_args.post);
break;
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)
raise(__pthread_sig_debug);
- restart(request.req_thread);
break;
}
}
@@ -195,7 +193,7 @@ static int pthread_start_thread(void *arg)
THREAD_GETMEM(self, p_start_args.schedpolicy),
&self->p_start_args.schedparam);
/* Make gdb aware of new thread */
- if (__pthread_threads_debug) {
+ if (__pthread_threads_debug && __pthread_sig_debug > 0) {
request.req_thread = self;
request.req_kind = REQ_DEBUG;
__libc_write(__pthread_manager_request,
diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c
index 4d182a8695..42ed581bdb 100644
--- a/linuxthreads/pthread.c
+++ b/linuxthreads/pthread.c
@@ -309,7 +309,12 @@ int __pthread_initialize_manager(void)
__pthread_manager_thread.p_pid = pid;
/* Make gdb aware of new thread manager */
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 */
request.req_kind = REQ_DEBUG;
__libc_write(__pthread_manager_request, (char *) &request, sizeof(request));
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/Dist b/sysdeps/unix/sysv/linux/sparc/sparc32/Dist
index db60e2c49c..28968fd133 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/Dist
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/Dist
@@ -1,6 +1,4 @@
clone.S
-pipe.S
-fork.S
kernel_stat.h
init-first.h
setresuid.c
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/profil-counter.h b/sysdeps/unix/sysv/linux/sparc/sparc32/profil-counter.h
index 1bd06482c9..4937725ddf 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/profil-counter.h
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/profil-counter.h
@@ -1,5 +1,5 @@
/* 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.
The GNU C Library is free software; you can redistribute it and/or
@@ -20,7 +20,7 @@
#include <signal.h>
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);
}
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S b/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S
index 38a6f8f8b8..49b1d28ac8 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/pipe.S
@@ -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.
Contributed by Miguel de Icaza <miguel@gnu.ai.mit.edu>, 1997.
@@ -20,15 +20,15 @@
#include <sysdep.h>
ENTRY (__libc_pipe)
- mov %o0, %o2 /* Save PIPEDES. */
+ mov %o0, %o2 /* Save PIPEDES. */
LOADSYSCALL(pipe)
ta 0x6d
- bcc,pn %xcc, 2f
+ bcc,pt %xcc, 2f
nop
SYSCALL_ERROR_HANDLER
-2: st %o0, [%o2] /* PIPEDES[0] = %o0; */
- st %o1, [%o2 + 4] /* PIPEDES[1] = %o1; */
+2: st %o0, [%o2] /* PIPEDES[0] = %o0; */
+ st %o1, [%o2 + 4] /* PIPEDES[1] = %o1; */
retl
clr %o0
PSEUDO_END (__libc_pipe)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S b/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S
index 5864bfcbc3..945d2e4df1 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/syscall.S
@@ -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.
The GNU C Library is free software; you can redistribute it and/or
@@ -35,5 +35,6 @@ ENTRY (syscall)
SYSCALL_ERROR_HANDLER
1: retl
+ nop
PSEUDO_END (syscall)