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2000-07-13  Jes Sorensen  <jes@linuxcare.com>

	* sysdeps/unix/sysv/linux/ia64/clone.S: New file.
	* sysdeps/unix/sysv/linux/ia64/fork.c: New file.

2000-06-05  David Mosberger  <davidm@hpl.hp.com>

	* sysdeps/unix/sysv/linux/ia64/bits/siginfo.h: New file
	based on sysdeps/unix/sysv/linux/bits/siginfo.h.
	Change type of si_band from "int" to "long".
	(si_imm) [USE_GNU]: Define
	(si_isr) [USE_GNU]: Ditto.
	(ILL_BREAK) [USE_GNU]: Ditto.
	(FPE_DECOVF) [USE_GNU]: Ditto.
	(FPE_DECDIV) [USE_GNU]: Ditto.
	(FPE_DECERR) [USE_GNU]: Ditto.
	(FPE_INVASC) [USE_GNU]: Ditto.
	(FPE_INVDEC) [USE_GNU]: Ditto.
	(TRAP_BRANCH) [USE_GNU]: Ditto.
	(TRAP_HWBKPT) [USE_GNU]: Ditto.

2000-07-06  Jes Sorensen  <jes@linuxcare.com>

	* sysdeps/unix/sysv/linux/ia64/sys/ucontext.h: Do not include
	bits/sigcontext as struct mcontext does not depend on it.

	* sysdeps/unix/sysv/linux/ia64/bits/sigcontext.h: New file.

2000-07-04  Jes Sorensen  <jes@linuxcare.com>

	* sysdeps/unix/sysv/linux/ia64/shmctl.c: Removed.

2000-07-04  David Mosberger-Tang  <davidm@hpl.hp.com>

	* sysdeps/unix/sysv/linux/ia64/bits/msq.h: New file.

2000-06-22  Jes Sorensen  <jes@linuxcare.com>

	* sysdeps/unix/sysv/linux/ia64/bits/mman.h: New file.

	* intl/translit.po: New file.
This commit is contained in:
Ulrich Drepper
2000-07-15 17:04:58 +00:00
parent 4ab8e75a46
commit a9a4127ea6
10 changed files with 756 additions and 10 deletions
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75
sysdeps/unix/sysv/linux/ia64/clone.S Normal file
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@ -0,0 +1,75 @@
/* Copyright (C) 1999,2000 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. */
/* clone is even more special than fork as it mucks with stacks
and invokes a function in the right context after its all over. */
#include <sysdep.h>
/* int clone(int (*fn)(void *arg), void *child_stack, int flags, void *arg); */
/*
* Used for both clone and fork system calls. Note that if fn is NULL
* then clone was called from fork.
*/
ENTRY(__clone)
add r2 = -16, r33 // save space for fn and arg
cmp.ne p6,p0 = 0,r33
;;
(p6) add r33 = -16, r33
add r12 = -16, r12
;;
(p6) st8 [r2] = r32, 8 // save fn for child
st8 [r12] = r32 // save fn for parent
;;
(p6) st8 [r2] = r35 // save arg for child
mov r32 = r34 // put flags in out0
DO_CALL (SYS_ify (clone))
1:
ld8 r33 = [r12], 8 // recover fn
;;
ld8 r32 = [r12], 8 // recover arg
cmp.eq p6,p0=-1,r10
(p6) br.cond.spnt.many __syscall_error // handle error
cmp.ne p7,p0=0,r8
(p7) ret // parent process, just return
cmp.eq p8,p0=0,r33
(p8) ret // fork call, return
alloc loc0 = ar.pfs,2,2,2,0
;;
ld8 r2 = [in1], 8 // get address of fn
mov out0 = in0
mov loc1 = gp // save gp across indirect call
;;
ld8 gp = [in1] // set new gp
mov b6 = r2
br.call.sptk b0 = b6 // call thread routine
;;
mov ar.pfs = loc0
mov gp = loc1
mov r32 = r8 // exit value
br.call.sptk b0 = _exit // we're out of here
PSEUDO_END(__clone)
weak_alias (__clone, clone)