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authorUlrich Drepper <drepper@redhat.com>2000-09-26 19:13:37 +0000
committerUlrich Drepper <drepper@redhat.com>2000-09-26 19:13:37 +0000
commit09bf6406b102b89e52f734b517030b86b7583aaf (patch)
tree4a0da313457d3c1c2e56fc7f3d0faf06e5865486 /sysdeps/unix
parente161e6c8ee7664621ba2cb4324a8c31c8d7aca73 (diff)
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Update.
2000-09-26  Jakub Jelinek  <jakub@redhat.com>

	* sysdeps/sparc/sparc32/bits/endian.h: Remove.
	* sysdeps/sparc/sparc32/ieee754.h: New.
	* sysdeps/sparc/sparc64/bits/endian.h: Move...
	* sysdeps/sparc/bits/endian.h: ...here.
	* sysdeps/unix/sysv/linux/sparc/sparc32/clone.S (__clone): Optimize.
	* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S (__clone): Check
	%o1, not %o0 to see if we're parent or child.  Optimize.

2000-09-26  Jes Sorensen  <jes@linuxcare.com>

	* sysdeps/unix/sysv/linux/ia64/fork.S: New file (based on code
	by Hans Boehm).
	* sysdeps/unix/sysv/linux/ia64/vfork.S: New file (based on
	code by Hans Boehm).
	* sysdeps/unix/sysv/linux/ia64/fork.c: Deleted (obsoleted by fork.S).

2000-09-20  H.J. Lu  <hjl@gnu.org>

	* sysdeps/ia64/fpu/printf_fphex.c: New file.

	* sysdeps/ia64/fpu/libm-test-ulps: New file.

2000-09-17  H.J. Lu  <hjl@gnu.org>

	* sysdeps/ia64/Makefile (long-double-fcts): New.  Defined as yes.

	* sysdeps/ia64/fpu/s_isinfl.c: New file.  Include
	sysdeps/i386/fpu/s_isinfl.c.

	* sysdeps/ia64/fpu/s_isnanl.c: New file.  Include
	sysdeps/i386/fpu/s_isnanl.c.

	* sysdeps/ia64/fpu/s_nextafterl.c: New file.  Include
	sysdeps/i386/fpu/s_nextafterl.c.

	* sysdeps/ia64/fpu/bits/mathdef.h: New file.  Copied from
	sysdeps/i386/fpu/bits/mathdef.h.

2000-09-16  H.J. Lu  <hjl@gnu.org>

	* sysdeps/generic/ldsodefs.h (DL_UNMAP): New.  Defined if
	DL_UNMAP_IS_SPECIAL is not defined.

	* sysdeps/ia64/dl-lookupcfg.h (DL_UNMAP_IS_SPECIAL): Defined.
	(_dl_unmap): New prototype.
	(DL_UNMAP): New.  Defined as _dl_unmap.

	* sysdeps/ia64/Versions [ld] (GLIBC_2.2): Add _dl_unmap.

	* elf/dl-close.c (_dl_close): Replace __munmap with DL_UNMAP.

2000-09-16  H.J. Lu  <hjl@gnu.org>

	* sysdeps/generic/ldsodefs.h (DL_LOOKUP_ADDRESS): New. Defined
	if ELF_FUNCTION_PTR_IS_SPECIAL is not defined.

	* sysdeps/ia64/dl-lookupcfg.h (_dl_lookup_address): New
	prototype.
	(DL_LOOKUP_ADDRESS): New. Defined as _dl_lookup_address.

	* sysdeps/ia64/dl-fptr.c (_dl_lookup_address): New. Lookup
	the memory location of a function from a function descriptor.

	* sysdeps/ia64/Versions [ld] (GLIBC_2.2): Add _dl_lookup_address.

	* elf/dl-addr.c (_dl_addr): Use DL_LOOKUP_ADDRESS to get the
	memory location.

2000-09-14  Jes Sorensen  <jes@linuxcare.com>

	* sysdeps/ia64/bits/byteswap.h (__bswap_16): Don't mark output
	variable as input argument.
	(__bswap_32): Likewise.

	* sysdeps/ia64/dl-machine.h: Add missing stop bit in RTLD_START()
	- found by Jim Wilson <wilson@cygnus.com>

2000-09-26  Ulrich Drepper  <drepper@redhat.com>

	* string/strxfrm.c: Only require alignment on __alignof__ (int32_t)
	instead of 4.

2000-09-26  Andreas Schwab  <schwab@suse.de>

	* locale/programs/ld-collate.c (collate_output): Only require
	alignment on __alignof__ (int32_t) instead of 4.
	* locale/loadlocale.c (_nl_load_locale): Likewise.
	* string/strcoll.c: Likewise.

2000-09-26  Jes Sorensen  <jes@linuxcare.com>

	* sysdeps/ieee754/ldbl-96/e_atan2l.c (__ieee754_atan2l): Add
	parentheses around arithmetic used in | statement to kill compiler
	warning.

	* math/math_private.h: Add prototype for __finitel.
	(__ilogbl): Likewise.
	(__isinfl): Likewise.
	(__isnanl): Likewise.
	(__atanl): Likewise.
	(__copysignl): Likewise.
	(__expm1l): Likewise.
	(__floorl): Likewise.
	(__frexpl): Likewise.
	(__ldexpl): Likewise.
	(__log1pl): Likewise.
	(__nanl): Likewise.
	(__rintl): Likewise.
	(__scalbnl): Likewise.
	(__sqrtl): Likewise.
	(fabsl): Likewise.
	(__sincosl): Likewise.

	(si_isr) [USE_GNU]: Likewise.
	(ILL_BREAK) [USE_GNU]: Likewise.
	(FPE_DECOVF) [USE_GNU]: Likewise.
	(FPE_DECDIV) [USE_GNU]: Likewise.
	(FPE_DECERR) [USE_GNU]: Likewise.
	(FPE_INVASC) [USE_GNU]: Likewise.
	(FPE_INVDEC) [USE_GNU]: Likewise.
	(TRAP_BRANCH) [USE_GNU]: Likewise.
	(TRAP_HWBKPT) [USE_GNU]: Likewise.
	* sysdeps/ieee754/flt-32/s_exp2f.c: Likewise.
Diffstat (limited to 'sysdeps/unix')
-rw-r--r--sysdeps/unix/sysv/linux/ia64/fork.S (renamed from sysdeps/unix/sysv/linux/ia64/fork.c)34
-rw-r--r--sysdeps/unix/sysv/linux/ia64/vfork.S43
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc32/clone.S14
-rw-r--r--sysdeps/unix/sysv/linux/sparc/sparc64/clone.S7
4 files changed, 71 insertions, 27 deletions
diff --git a/sysdeps/unix/sysv/linux/ia64/fork.c b/sysdeps/unix/sysv/linux/ia64/fork.S
index c63e994622..404f3535fc 100644
--- a/sysdeps/unix/sysv/linux/ia64/fork.c
+++ b/sysdeps/unix/sysv/linux/ia64/fork.S
@@ -1,7 +1,4 @@
-/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
-   This file is part of the GNU C Library.
-   Written by Andreas Schwab, <schwab@issan.informatik.uni-dortmund.de>,
-   December 1995.
+/* Copyright (C) 2000 Free Software Foundation, Inc.
 
    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
@@ -18,17 +15,26 @@
    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
    Boston, MA 02111-1307, USA.  */
 
-#include <unistd.h>
-#include <asm/signal.h>
 
-extern int __clone (int (*fn)(void *), void *ksp, unsigned long int flags,
-		  void *arg);
+#include <sysdep.h>
+#define _SIGNAL_H
+#include <bits/signum.h>
 
-int
-__libc_fork (void)
-{
-  return __clone (NULL, NULL, SIGCHLD, 0);
-}
+/* pid_t fork(void); */
+/* Implemented as a clone system call with parameters SIGCHLD and 0	*/
+
+ENTRY(__libc_fork)
+	alloc r2=ar.pfs,0,0,2,0
+	mov out0=SIGCHLD	/* Return SIGCHLD when child finishes	*/
+				/* no other clone flags; nothing shared	*/
+	mov out1=0		/* Standard sp value.			*/
+	;;
+	DO_CALL (SYS_ify (clone))
+	cmp.eq p6,p0=-1,r10
+	;;
+(p6)	br.cond.spnt.few __syscall_error
+	ret
+PSEUDO_END(__libc_fork)
 
-weak_alias (__libc_fork, fork)
 weak_alias (__libc_fork, __fork)
+weak_alias (__libc_fork, fork)
diff --git a/sysdeps/unix/sysv/linux/ia64/vfork.S b/sysdeps/unix/sysv/linux/ia64/vfork.S
new file mode 100644
index 0000000000..e873c784ba
--- /dev/null
+++ b/sysdeps/unix/sysv/linux/ia64/vfork.S
@@ -0,0 +1,43 @@
+/* Copyright (C) 2000 Free Software Foundation, Inc.
+
+   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 <sysdep.h>
+#define _SIGNAL_H
+#include <bits/signum.h>
+
+/* The following are defined in linux/sched.h, which unfortunately	*/
+/* is not safe for inclusion in an assembly file.			*/
+#define CLONE_VM        0x00000100      /* set if VM shared between processes */
+#define CLONE_VFORK     0x00004000      /* set if the parent wants the child to wake it up on mm_release */
+
+/* pid_t vfork(void); */
+/* Implemented as __clone_syscall(CLONE_VFORK | CLONE_VM | SIGCHLD, 0)	*/
+
+ENTRY(__vfork)
+	alloc r2=ar.pfs,0,0,2,0
+	mov out0=CLONE_VM+CLONE_VFORK+SIGCHLD
+	mov out1=0		/* Standard sp value.			*/
+	;;
+	DO_CALL (SYS_ify (clone))
+	cmp.eq p6,p0=-1,r10
+	;;
+(p6)	br.cond.spnt.few __syscall_error
+	ret
+PSEUDO_END(__vfork)
+
+weak_alias (__vfork, vfork)
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
index e40ee32706..9dd9155acc 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc32/clone.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
+/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc.
    Contributed by Richard Henderson (rth@tamu.edu).
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -35,30 +35,26 @@ __clone:
 	/* sanity check arguments */
 	tst	%i0
 	be	.Lerror
-	 tst	%i1
+	 orcc	%i1,%g0,%o1
 	be	.Lerror
-	 nop
+	 mov	%i2,%o0
 
 	/* Do the system call */
-	mov	%i1,%o1
-	mov	%i2,%o0
 	set	__NR_clone,%g1
 	ta	0x10
 	bcs	.Lerror
 	 tst	%o1
 	bne	__thread_start
 	 nop
-	mov	%o0,%i0
 	ret
-	 restore
+	 restore %o0,%g0,%o0
 
 .Lerror:
 	call	__errno_location
 	 or	%g0,EINVAL,%i0
 	st	%i0,[%o0]
-	mov	-1,%i0
 	ret
-	 restore
+	 restore %g0,-1,%o0
 
 	.size	__clone, .-__clone
 
diff --git a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
index d7506b7c72..a8e317e509 100644
--- a/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
+++ b/sysdeps/unix/sysv/linux/sparc/sparc64/clone.S
@@ -1,4 +1,4 @@
-/* Copyright (C) 1997 Free Software Foundation, Inc.
+/* Copyright (C) 1997, 2000 Free Software Foundation, Inc.
    Contributed by Richard Henderson (rth@tamu.edu).
 
    The GNU C Library is free software; you can redistribute it and/or
@@ -45,7 +45,7 @@ __clone:
 	ta	0x6d
 	bcs,pn	%xcc, 99f
 	 nop
-	brnz,pn	%o0, __thread_start
+	brnz,pn	%o1, __thread_start
 	 mov	%o0, %i0
 	ret
 	 restore
@@ -70,9 +70,8 @@ __clone:
 	 nop
 	st	%i0, [%o0]
 #endif
-	mov	-1,%i0
 	ret
-	 restore
+	 restore %g0,-1,%o0
 	.size __clone, .-__clone
 
 	.type __thread_start,@function