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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/sysv/linux
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/sysv/linux')
-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