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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.
88 lines
2.2 KiB
ArmAsm
88 lines
2.2 KiB
ArmAsm
/* Copyright (C) 1997, 2000 Free Software Foundation, Inc.
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Contributed by Richard Henderson (rth@tamu.edu).
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public License as
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published by the Free Software Foundation; either version 2 of the
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License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with the GNU C Library; see the file COPYING.LIB. If not,
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write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/* clone() is even more special than fork() as it mucks with stacks
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and invokes a function in the right context after its all over. */
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#include <asm/errno.h>
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#include <asm/unistd.h>
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/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */
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.text
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.align 4
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.globl __clone
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.type __clone,@function
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__clone:
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save %sp, -192, %sp
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/* sanity check arguments */
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brz,pn %i0, 99f
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mov %i0, %l0 /* save fn */
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brz,pn %i1, 99f
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mov %i3, %l3 /* save arg */
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/* Do the system call */
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mov %i1, %o1
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mov %i2, %o0
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set __NR_clone, %g1
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ta 0x6d
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bcs,pn %xcc, 99f
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nop
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brnz,pn %o1, __thread_start
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mov %o0, %i0
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ret
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restore
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99:
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#ifndef _LIBC_REENTRANT
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#ifdef PIC
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call 1f
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sethi %hi(_GLOBAL_OFFSET_TABLE_-(99b-.)), %l7
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1: or %l7, %lo(_GLOBAL_OFFSET_TABLE_-(99b-.)), %l7
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add %l7, %o7, %l7
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set EINVAL, %i0
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sethi %hi(errno), %g2
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or %g2, %lo(errno), %g2
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st %i0, [%l7+%g2]
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#else
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sethi %hi(errno), %g2
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set EINVAL, %i0
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st %i0, [%g2+%lo(errno)]
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#endif
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#else
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call __errno_location
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nop
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st %i0, [%o0]
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#endif
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ret
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restore %g0,-1,%o0
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.size __clone, .-__clone
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.type __thread_start,@function
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__thread_start:
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mov %g0, %fp /* terminate backtrace */
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sub %sp, 6*8, %sp /* provide arg storage */
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call %l0
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mov %l3,%o0
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call _exit,0
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nop
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.size __thread_start, .-__thread_start
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weak_alias(__clone, clone)
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