From 09bf6406b102b89e52f734b517030b86b7583aaf Mon Sep 17 00:00:00 2001 From: Ulrich Drepper Date: Tue, 26 Sep 2000 19:13:37 +0000 Subject: Update. 2000-09-26 Jakub Jelinek * 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 * 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 * sysdeps/ia64/fpu/printf_fphex.c: New file. * sysdeps/ia64/fpu/libm-test-ulps: New file. 2000-09-17 H.J. Lu * 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 * 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 * 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 * 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 2000-09-26 Ulrich Drepper * string/strxfrm.c: Only require alignment on __alignof__ (int32_t) instead of 4. 2000-09-26 Andreas Schwab * 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 * 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. --- sysdeps/unix/sysv/linux/ia64/fork.S | 40 +++++++++++++++++++++++++ sysdeps/unix/sysv/linux/ia64/fork.c | 34 --------------------- sysdeps/unix/sysv/linux/ia64/vfork.S | 43 +++++++++++++++++++++++++++ sysdeps/unix/sysv/linux/sparc/sparc32/clone.S | 14 ++++----- sysdeps/unix/sysv/linux/sparc/sparc64/clone.S | 7 ++--- 5 files changed, 91 insertions(+), 47 deletions(-) create mode 100644 sysdeps/unix/sysv/linux/ia64/fork.S delete mode 100644 sysdeps/unix/sysv/linux/ia64/fork.c create mode 100644 sysdeps/unix/sysv/linux/ia64/vfork.S (limited to 'sysdeps/unix/sysv/linux') diff --git a/sysdeps/unix/sysv/linux/ia64/fork.S b/sysdeps/unix/sysv/linux/ia64/fork.S new file mode 100644 index 0000000000..404f3535fc --- /dev/null +++ b/sysdeps/unix/sysv/linux/ia64/fork.S @@ -0,0 +1,40 @@ +/* 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 +#define _SIGNAL_H +#include + +/* 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) diff --git a/sysdeps/unix/sysv/linux/ia64/fork.c b/sysdeps/unix/sysv/linux/ia64/fork.c deleted file mode 100644 index c63e994622..0000000000 --- a/sysdeps/unix/sysv/linux/ia64/fork.c +++ /dev/null @@ -1,34 +0,0 @@ -/* Copyright (C) 1996, 1997, 1998, 2000 Free Software Foundation, Inc. - This file is part of the GNU C Library. - Written by Andreas Schwab, , - December 1995. - - 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 -#include - -extern int __clone (int (*fn)(void *), void *ksp, unsigned long int flags, - void *arg); - -int -__libc_fork (void) -{ - return __clone (NULL, NULL, SIGCHLD, 0); -} - -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 +#define _SIGNAL_H +#include + +/* 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 -- cgit v1.2.3