Update.

1998-08-24 16:34  Ulrich Drepper  <drepper@cygnus.com>

	* debug/catchsegv.sh: Handle text preceding backtrace better.
	* sysdeps/generic/segfault.c: Allow register dump.  Allow handler
	to be installed for other signals than SIGSEGV.
	* sysdeps/generic/register-dump.h: New file.
	* sysdeps/i386/register-dump.h: New file.
	* sysdeps/powerpc/register-dump.h: New file.

	* sysdeps/unix/sysv/linux/i386/profil-counter.h: Use macros from
	sigcontextinfo.h.
	* sysdeps/unix/sysv/linux/powerpc/profil-counter.h: Use i386 version.

1998-08-24  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/unix/sysv/linux/powerpc/sigcontextinfo.h: New file.

1998-08-09  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/unix/sysv/linux/powerpc/chown.c: New file.
	* sysdeps/unix/sysv/linux/powerpc/lchown.S: New file.
	* sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add chown, remove
	getresuid, getresgid.

1998-08-16  Geoff Keating  <geoffk@ozemail.com.au>

	* sysdeps/unix/sysv/linux/powerpc/clone.S: Fix bugs.  Set up stack
	pointer in userland.

1998-08-21  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* sysdeps/unix/sysv/linux/sys/mount.h (MNT_FORCE): Define as enum
	and fix value.

1998-08-22  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* elf/ldd.bash.in: Add missing quotes around $file.  Make loop
	over arguments Bourne shell compatible.  Don't exit unsuccessfully
	if nonelf returns successfully.  Avoid duplicating most of the
	script.
	* sysdeps/unix/sysv/linux/ldd-rewrite.sed: Add missing quotes
	around $file.

1998-08-24 10:37  Andreas Schwab  <schwab@issan.informatik.uni-dortmund.de>

	* libio/Versions (_IO_do_write, _IO_file_attach,
	_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
	_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
	_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
	_IO_file_write, _IO_file_xsputn): Added to GLIBC_2.1.

	* libio/fileops.c (_IO_do_write, _IO_file_attach,
	_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
	_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
	_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
	_IO_file_write, _IO_file_xsputn): Change the prefix to
	"_IO_new_". Added to GLIBC_2.1.

	* libio/libioP.h (_IO_do_write, _IO_file_attach,
	_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
	_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
	_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
	_IO_file_write, _IO_file_xsputn): Add prototypes for the prefix
	"_IO_new_".

	* libio/oldfileops.c (_IO_do_write, _IO_file_attach,
	_IO_file_close_it, _IO_file_finish, _IO_file_fopen,
	_IO_file_init, _IO_file_overflow, _IO_file_seekoff,
	_IO_file_setbuf, _IO_file_sync, _IO_file_underflow,
	_IO_file_write, _IO_file_xsputn): Added to GLIBC_2.0.

	* csu/initfini.c: Return to .text before __gmon_start__.
	* elf/elf.h (EM_FAKE_ALPHA): Rename from EM_OLD_ALPHA.
	(STO_MIPS_*): Rename from STO_*.
	(STB_MIPS_SPLIT_COMMON): Rename from STB_SPLIT_COMMON.
	(STO_ALPHA_NOPV, STO_ALPHA_STD_GPLOAD): New.
	* math/atest-exp.c (mpn_bitsize): Fix bit location calculation.
	(main): e3s is negative on zero.
	* math/atest-exp2.c: Likewise.
1998-08-23  Andreas Jaeger  <aj@arthur.rhein-neckar.de>

	* Makerules (install): Add comment about absolute paths.

3 files changed, 13 insertions, 31 deletions

diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog
index c89fa758a3..5b4dcbd64a 100644
--- a/linuxthreads/ChangeLog
+++ b/linuxthreads/ChangeLog
@@ -1,3 +1,13 @@
+1998-08-24  Geoff Keating  <geoffk@ozemail.com.au>
+
+	* spinlock.c (__pthread_lock): Reset p_nextwaiting to NULL if it
+	turned out that we didn't need to queue after all.
+
+1998-08-22  Geoff Keating  <geoffk@ozemail.com.au>
+
+	* sysdeps/powerpc/pt-machine.h: Remove testandset, it's not used
+	and wastes space; correct types.
+
 1998-08-08 11:18  H.J. Lu  <hjl@gnu.org>
 
 	* signals.c (sigaction): Handle NULL argument.
diff --git a/linuxthreads/spinlock.c b/linuxthreads/spinlock.c
index 2546e2a6e0..8a8d3bfb84 100644
--- a/linuxthreads/spinlock.c
+++ b/linuxthreads/spinlock.c
@@ -47,9 +47,10 @@ void __pthread_lock(struct _pthread_fastlock * lock)
       newstatus = 1;
     } else {
       self = thread_self();
-      self->p_nextwaiting = (pthread_descr) oldstatus;
       newstatus = (long) self;
     }
+    if (self != NULL)
+      self->p_nextwaiting = (pthread_descr) oldstatus;
   } while(! compare_and_swap(&lock->status, oldstatus, newstatus,
                              &lock->spinlock));
   if (oldstatus != 0) suspend(self);
diff --git a/linuxthreads/sysdeps/powerpc/pt-machine.h b/linuxthreads/sysdeps/powerpc/pt-machine.h
index a52af8a7eb..7829c779e6 100644
--- a/linuxthreads/sysdeps/powerpc/pt-machine.h
+++ b/linuxthreads/sysdeps/powerpc/pt-machine.h
@@ -2,7 +2,6 @@
    powerpc version.
    Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
    This file is part of the GNU C Library.
-   Contributed by Richard Henderson <rth@tamu.edu>.
 
    The GNU C Library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public License as
@@ -31,34 +30,6 @@
 #define sync() __asm__ __volatile__ ("sync")
 #endif
 
-/* Spinlock implementation; required.  */
-#if BROKEN_PPC_ASM_CR0
-static
-#else
-extern inline
-#endif
-int
-testandset (int *spinlock)
-{
-  int ret;
-
-  sync();
-  __asm__ __volatile__(
-		       "0:    lwarx %0,0,%1 ;"
-		       "      cmpwi %0,0;"
-		       "      bne 1f;"
-		       "      stwcx. %2,0,%1;"
-		       "      bne- 0b;"
-		       "1:    "
-	: "=&r"(ret)
-	: "r"(spinlock), "r"(1)
-	: "cr0", "memory");
-  sync();
-
-  return ret != 0;
-}
-
-
 /* Get some notion of the current stack.  Need not be exactly the top
    of the stack, just something somewhere in the current frame.  */
 #define CURRENT_STACK_FRAME  stack_pointer
@@ -74,7 +45,7 @@ static
 extern inline
 #endif
 int
-__compare_and_swap (int *p, int oldval, int newval)
+__compare_and_swap (long *p, long oldval, long newval)
 {
   int ret;