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authorUlrich Drepper <drepper@redhat.com>2000-10-15 06:50:42 +0000
committerUlrich Drepper <drepper@redhat.com>2000-10-15 06:50:42 +0000
commitb15cb495054a40644197395fb6a94daa4b0e81cb (patch)
tree085712cd0a7f5e68dc291c49c6adfb9c3675dcee /linuxthreads/sysdeps/hppa
parent42be70d43174c6a6e80fbd25276d4eb04c6e5adf (diff)
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Update.
2000-10-14  Ulrich Drepper  <drepper@redhat.com>

	* math/libm-test.inc (frexp_test): Add L suffix also to parameters.
	(hypot_test): Likewise.

	* sysdeps/generic/printf_fphex.c: Compute width of decimal point
	string correctly.  Handle padding correctly.

	* sysdeps/ia64/fpu/printf_fphex.c: Use sizeof in _itowa parameters
	correctly.
	* sysdeps/ieee754/ldbl-128/printf_fphex.c: Likewise.
	* sysdeps/ieee754/ldbl-96/printf_fphex.c: Likewise.

2000-10-12  Alan Modra  <alan@linuxcare.com.au>

	* FAQ.in: Add --start-group and --end-group.

2000-10-12  Alan Modra  <alan@linuxcare.com.au>

	* malloc/memusage.c: Conditionalize stack usage calculation on
	stack direction.

2000-10-12  Alan Modra  <alan@linuxcare.com.au>

	* config.h.in: Add ASM_LINE_SEP.
	* configure.in: Add test for comment and line separators.
	* include/libc-symbols.h: Define and use ASM_LINE_SEP, and add tabs to
	placate some hppa assemblers.
	* sysdeps/hppa/sysdep.h: Likewise.
	* sysdeps/gnu/siglist.c: Insert \n and \t into inline asm.
	* sysdeps/unix/sysv/linux/errlist.c: Likewise.

2000-10-12  David Huggins-Daines  <dhd@linuxcare.com>

	* sysdeps/unix/sysv/linux/Makefile: Include <bits/initspin> in
	$(sysdep_headers).
	* sysdeps/unix/sysv/linux/bits/initspin.h: Dummy version for
	non-threaded platforms.

2000-10-12  David Huggins-Daines  <dhd@linuxcare.com>

	* configure.in: Add definitions for hppa.
	* elf/elf.h: Add PLABEL32 relocation for hppa ELF32, comments
	for IPLT and EPLT relocations.
	* shlib-versions: Version symbol definitions for hppa-linux.
	* sysdeps/unix/sysv/linux/configure.in: Define $arch_minimum_kernel
	for hppa.

2000-10-12  David Huggins-Daines  <dhd@linuxcare.com>

	* sysdeps/hppa/Makefile: New file.
	* sysdeps/hppa/Versions: New file.

	* sysdeps/hppa/setjmp.S: New file.
	* sysdeps/hppa/__longjmp.S: New file.
	* sysdeps/hppa/bits/setjmp.h: New file.
	* sysdeps/hppa/frame.h: New file.

	* sysdeps/hppa/add_n.s: Don't use %r19 (linkage table pointer).
	* sysdeps/hppa/sub_n.s: Likewise.
	* sysdeps/hppa/lshift.s: Likewise.
	* sysdeps/hppa/rshift.s: Likewise.
	* sysdeps/hppa/udiv_qrnnd.s: Likewise.
	* sysdeps/hppa/hppa1.1/addmul_1.s: Likewise.
	* sysdeps/hppa/hppa1.1/submul_1.s: Likewise.
	* sysdeps/hppa/hppa1.1/mul_1.s: Likewise.
	* sysdeps/hppa/hppa1.1/udiv_qrnnd.s: Likewise.

	* sysdeps/hppa/dl-machine.h: New file.
	* sysdeps/hppa/dl-fptr.c: New file (note that this is almost
	identical to the IA-64 one).
	* sysdeps/hppa/dl-lookupcfg.h: Likewise.
	* sysdeps/hppa/dl-symaddr.c: Likewise.

	* sysdeps/hppa/elf/initfini.c: New file.
	* sysdeps/hppa/elf/start.S: New file.

	* sysdeps/hppa/fpu/bits/fenv.h: New file.
	* sysdeps/hppa/fpu/fclrexcpt.c: New file.
	* sysdeps/hppa/fpu/fedisblxcpt.c: New file.
	* sysdeps/hppa/fpu/feenablxcpt.c: New file.
	* sysdeps/hppa/fpu/fegetenv.c: New file.
	* sysdeps/hppa/fpu/fegetexcept.c: New file.
	* sysdeps/hppa/fpu/fegetround.c: New file.
	* sysdeps/hppa/fpu/feholdexcpt.c: New file.
	* sysdeps/hppa/fpu/fesetenv.c: New file.
	* sysdeps/hppa/fpu/fesetround.c: New file.
	* sysdeps/hppa/fpu/feupdateenv.c: New file.
	* sysdeps/hppa/fpu/fegetexcptflg.c: New file.
	* sysdeps/hppa/fpu/fraiseexcpt.c: New file.
	* sysdeps/hppa/fpu/fsetexcptflg.c: New file.
	* sysdeps/hppa/fpu/ftestexcept.c: New file.

	* sysdeps/unix/sysv/linux/hppa/Makefile: New file.
	* sysdeps/unix/sysv/linux/hppa/Versions: New file.
	* sysdeps/unix/sysv/linux/hppa/syscalls.list: New file.
	* sysdeps/unix/sysv/linux/hppa/sysdep.c: New file.
	* sysdeps/unix/sysv/linux/hppa/sysdep.h: New file.

	* sysdeps/unix/sysv/linux/hppa/bits/fcntl.h: New file.
	* sysdeps/unix/sysv/linux/hppa/bits/ioctls.h: New file.
	* sysdeps/unix/sysv/linux/hppa/bits/mman.h: New file.
	* sysdeps/unix/sysv/linux/hppa/bits/sigaction.h: New file.
	* sysdeps/unix/sysv/linux/hppa/bits/signum.h: New file.
	* sysdeps/unix/sysv/linux/hppa/brk.c: New file.
	* sysdeps/unix/sysv/linux/hppa/clone.S: New file.
	* sysdeps/unix/sysv/linux/hppa/socket.S: New file.
	* sysdeps/unix/sysv/linux/hppa/syscall.S: New file.
	* sysdeps/unix/sysv/linux/hppa/setrlimit.c: New file.
	* sysdeps/unix/sysv/linux/hppa/getrlimit.c: New file.
	* sysdeps/unix/sysv/linux/hppa/getrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/hppa/kernel_sigaction.h: New file.
	* sysdeps/unix/sysv/linux/hppa/kernel_stat.h: New file.
	* sysdeps/unix/sysv/linux/hppa/mmap.c: New file.
	* sysdeps/unix/sysv/linux/hppa/profil-counter.h: New file.
	* sysdeps/unix/sysv/linux/hppa/procfs.h: New file.
	* sysdeps/unix/sysv/linux/hppa/ucontext.h: New file.
	* sysdeps/unix/sysv/linux/hppa/umount.c: New file.

2000-10-12  Alan Modra  <alan@linuxcare.com.au>

	* sysdeps/hppa/hppa1.1/Implies: New file.
	* sysdeps/hppa/memusage.h: New file.
Diffstat (limited to 'linuxthreads/sysdeps/hppa')
-rw-r--r--linuxthreads/sysdeps/hppa/pspinlock.c81
-rw-r--r--linuxthreads/sysdeps/hppa/pt-machine.h54
2 files changed, 135 insertions, 0 deletions
diff --git a/linuxthreads/sysdeps/hppa/pspinlock.c b/linuxthreads/sysdeps/hppa/pspinlock.c
new file mode 100644
index 0000000000..1b1511fba8
--- /dev/null
+++ b/linuxthreads/sysdeps/hppa/pspinlock.c
@@ -0,0 +1,81 @@
+/* POSIX spinlock implementation.  hppa version.
+   Copyright (C) 2000 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
+   modify it under the terms of the GNU Library General Public License as
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <errno.h>
+#include <pthread.h>
+
+
+int
+__pthread_spin_lock (pthread_spinlock_t *lock)
+{
+  unsigned int val;
+
+  do
+    asm volatile ("ldcw %1,%0"
+		  : "=r" (val), "=m" (*lock)
+		  : "m" (*lock));
+  while (!val);
+
+  return 0;
+}
+weak_alias (__pthread_spin_lock, pthread_spin_lock)
+
+
+int
+__pthread_spin_trylock (pthread_spinlock_t *lock)
+{
+  unsigned int val;
+
+  asm volatile ("ldcw %1,%0"
+		: "=r" (val), "=m" (*lock)
+		: "m" (*lock));
+
+  return val ? 0 : EBUSY;
+}
+weak_alias (__pthread_spin_trylock, pthread_spin_trylock)
+
+
+int
+__pthread_spin_unlock (pthread_spinlock_t *lock)
+{
+  *lock = 1;
+  return 0;
+}
+weak_alias (__pthread_spin_unlock, pthread_spin_unlock)
+
+
+int
+__pthread_spin_init (pthread_spinlock_t *lock, int pshared)
+{
+  /* We can ignore the `pshared' parameter.  Since we are busy-waiting
+     all processes which can access the memory location `lock' points
+     to can use the spinlock.  */
+  *lock = 1;
+  return 0;
+}
+weak_alias (__pthread_spin_init, pthread_spin_init)
+
+
+int
+__pthread_spin_destroy (pthread_spinlock_t *lock)
+{
+  /* Nothing to do.  */
+  return 0;
+}
+weak_alias (__pthread_spin_destroy, pthread_spin_destroy)
diff --git a/linuxthreads/sysdeps/hppa/pt-machine.h b/linuxthreads/sysdeps/hppa/pt-machine.h
new file mode 100644
index 0000000000..bc0d2d655f
--- /dev/null
+++ b/linuxthreads/sysdeps/hppa/pt-machine.h
@@ -0,0 +1,54 @@
+/* Machine-dependent pthreads configuration and inline functions.
+   hppa version.
+   Copyright (C) 2000 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
+   published by the Free Software Foundation; either version 2 of the
+   License, or (at your option) any later version.
+
+   The GNU C Library is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+   Library General Public License for more details.
+
+   You should have received a copy of the GNU Library General Public
+   License along with the GNU C Library; see the file COPYING.LIB.  If not,
+   write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+   Boston, MA 02111-1307, USA.  */
+
+#include <bits/initspin.h>
+
+#ifndef PT_EI
+# define PT_EI extern inline
+#endif
+
+/* 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
+register char * stack_pointer __asm__ ("%r30");
+
+
+/* The hppa only has one atomic read and modify memory operation,
+   load and clear, so hppa spinlocks must use zero to signify that
+   someone is holding the lock.  */
+
+#define xstr(s) str(s)
+#define str(s) #s
+/* Spinlock implementation; required.  */
+PT_EI int
+testandset (int *spinlock)
+{
+  int ret;
+
+  __asm__ __volatile__(
+       "ldcw 0(%2),%0"
+       : "=r"(ret), "=m"(*spinlock)
+       : "r"(spinlock));
+
+  return ret == 0;
+}
+#undef str
+#undef xstr