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r3412 - in glibc-package/trunk/debian: . patches patches/mips



Author: aurel32
Date: 2009-04-23 19:18:06 +0000 (Thu, 23 Apr 2009)
New Revision: 3412

Added:
   glibc-package/trunk/debian/patches/mips/cvs-context.diff
Modified:
   glibc-package/trunk/debian/changelog
   glibc-package/trunk/debian/patches/series
Log:
  * mips/cvs-context.diff: new patch from upstream to add getcontext, 
    setcontext, makecontext, swapcontext.



Modified: glibc-package/trunk/debian/changelog
===================================================================
--- glibc-package/trunk/debian/changelog	2009-04-23 19:07:08 UTC (rev 3411)
+++ glibc-package/trunk/debian/changelog	2009-04-23 19:18:06 UTC (rev 3412)
@@ -2,6 +2,8 @@
 
   [ Aurelien Jarno ]
   * Update Swedish debconf translation, by Martin Bagger.  Closes: #522982.
+  * mips/cvs-context.diff: new patch from upstream to add getcontext, 
+    setcontext, makecontext, swapcontext.
 
   [ Petr Salinger ]
   * kfreebsd/local-sysdeps.diff: update to revision 2450 (from glibc-bsd).
@@ -11,7 +13,7 @@
   * hurd-i386/cvs-rtld.diff: new patch, fixes boot of glibc built with
     binutils >= 2.19.
 
- -- Aurelien Jarno <aurel32@debian.org>  Wed, 08 Apr 2009 10:42:05 +0200
+ -- Aurelien Jarno <aurel32@debian.org>  Thu, 23 Apr 2009 21:14:32 +0200
 
 glibc (2.9-7) unstable; urgency=low
 

Added: glibc-package/trunk/debian/patches/mips/cvs-context.diff
===================================================================
--- glibc-package/trunk/debian/patches/mips/cvs-context.diff	                        (rev 0)
+++ glibc-package/trunk/debian/patches/mips/cvs-context.diff	2009-04-23 19:18:06 UTC (rev 3412)
@@ -0,0 +1,895 @@
+commit ff3475331e3007db16d792b1e1489170b71308a1
+Author: Joseph Myers <joseph@codesourcery.com>
+Date:   Sat Apr 18 17:32:04 2009 +0000
+
+    2009-04-18  Maciej W. Rozycki  <macro@codesourcery.com>
+    
+    	* sysdeps/unix/sysv/linux/mips/getcontext.S: New file.
+    	* sysdeps/unix/sysv/linux/mips/makecontext.S: New file.
+    	* sysdeps/unix/sysv/linux/mips/setcontext.S: New file.
+    	* sysdeps/unix/sysv/linux/mips/swapcontext.S: New file.
+    	* sysdeps/unix/sysv/linux/mips/sys/ucontext.h (mcontext_t):
+    	Update comment.
+    	* sysdeps/unix/sysv/linux/mips/kernel_rt_sigframe.h: New file.
+    	* sysdeps/unix/sysv/linux/mips/ucontext_i.sym: New file.
+    	* sysdeps/unix/sysv/linux/mips/Makefile (gen-as-const-headers):
+    	Add ucontext_i.sym.
+
+diff --git a/sysdeps/unix/sysv/linux/mips/Makefile b/sysdeps/unix/sysv/linux/mips/Makefile
+index 110fccb..162f1b9 100644
+--- a/ports/sysdeps/unix/sysv/linux/mips/Makefile
++++ b/ports/sysdeps/unix/sysv/linux/mips/Makefile
+@@ -135,3 +135,7 @@ sysdep_routines += dl-static
+ sysdep-rtld-routines += dl-static
+ endif
+ endif
++
++ifeq ($(subdir),stdlib)
++gen-as-const-headers += ucontext_i.sym
++endif
+diff --git a/sysdeps/unix/sysv/linux/mips/getcontext.S b/sysdeps/unix/sysv/linux/mips/getcontext.S
+new file mode 100644
+index 0000000..1e77467
+--- /dev/null
++++ b/ports/sysdeps/unix/sysv/linux/mips/getcontext.S
+@@ -0,0 +1,149 @@
++/* Save current context.
++   Copyright (C) 2009 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++   Contributed by Maciej W. Rozycki <macro@codesourcery.com>.
++
++   The GNU C Library is free software; you can redistribute it and/or
++   modify it under the terms of the GNU Lesser General Public
++   License as published by the Free Software Foundation; either
++   version 2.1 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
++   Lesser General Public License for more details.
++
++   You should have received a copy of the GNU Lesser General Public
++   License along with the GNU C Library; if not, write to the Free
++   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
++   02110-1301, USA.  */
++
++#include <sysdep.h>
++#include <sys/asm.h>
++#include <sys/fpregdef.h>
++#include <sys/regdef.h>
++
++#include "ucontext_i.h"
++
++/* int getcontext (ucontext_t *ucp) */
++
++	.text
++LOCALSZ = 0
++MASK = 0x00000000
++#ifdef __PIC__
++LOCALSZ = 1						/* save gp */
++# if _MIPS_SIM != _ABIO32
++MASK = 0x10000000
++# endif
++#endif
++FRAMESZ = ((LOCALSZ * SZREG) + ALSZ) & ALMASK
++GPOFF = FRAMESZ - (1 * SZREG)
++
++NESTED (__getcontext, FRAMESZ, ra)
++	.mask	MASK, 0
++	.fmask	0x00000000, 0
++
++#ifdef __PIC__
++	SETUP_GP
++
++	move	a2, sp
++# define _SP a2
++
++# if _MIPS_SIM != _ABIO32
++	move	a3, gp
++#  define _GP a3
++# endif
++
++	PTR_ADDIU sp, -FRAMESZ
++	SETUP_GP64 (GPOFF, __getcontext)
++	SAVE_GP (GPOFF)
++
++#else  /* ! __PIC__ */
++# define _SP sp
++# define _GP gp
++
++#endif /* ! __PIC__ */
++
++#ifdef PROF
++	.set	noat
++	move	AT, ra
++	jal	_mcount
++	.set	at
++#endif
++
++	/* Store a magic flag.	*/
++	li	v1, 1
++	REG_S	v1, (0 * SZREG + MCONTEXT_GREGS)(a0)	/* zero */
++
++	REG_S	s0, (16 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s1, (17 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s2, (18 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s3, (19 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s4, (20 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s5, (21 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s6, (22 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s7, (23 * SZREG + MCONTEXT_GREGS)(a0)
++#if ! defined (__PIC__) || _MIPS_SIM != _ABIO32
++	REG_S	_GP, (28 * SZREG + MCONTEXT_GREGS)(a0)
++#endif
++	REG_S	_SP, (29 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	fp, (30 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	ra, (31 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	ra, MCONTEXT_PC(a0)
++
++#ifdef __mips_hard_float
++# if _MIPS_SIM == _ABI64
++	s.d	fs0, (24 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs1, (25 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs2, (26 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs3, (27 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs4, (28 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs5, (29 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs6, (30 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs7, (31 * SZREG + MCONTEXT_FPREGS)(a0)
++
++# else  /* _MIPS_SIM != _ABI64 */
++	s.d	fs0, (20 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs1, (22 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs2, (24 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs3, (26 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs4, (28 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs5, (30 * SZREG + MCONTEXT_FPREGS)(a0)
++
++# endif /* _MIPS_SIM != _ABI64 */
++
++	cfc1	v1, fcr31
++	sw	v1, MCONTEXT_FPC_CSR(a0)
++#endif /* __mips_hard_float */
++
++/* rt_sigprocmask (SIG_BLOCK, NULL, &ucp->uc_sigmask, _NSIG8) */
++	li	a3, _NSIG8
++	PTR_ADDU a2, a0, UCONTEXT_SIGMASK
++	move	a1, zero
++	li	a0, SIG_BLOCK
++
++	li	v0, SYS_ify (rt_sigprocmask)
++	syscall
++	bnez	a3, 99f
++
++#ifdef __PIC__
++	RESTORE_GP64
++	PTR_ADDIU sp, FRAMESZ
++#endif
++	move	v0, zero
++	jr	ra
++
++99:
++#ifdef __PIC__
++	PTR_LA	t9, JUMPTARGET (__syscall_error)
++	RESTORE_GP64
++	PTR_ADDIU sp, FRAMESZ
++	jr	t9
++
++#else  /* ! __PIC__ */
++
++	j	JUMPTARGET (__syscall_error)
++#endif /* ! __PIC__ */
++PSEUDO_END (__getcontext)
++
++weak_alias (__getcontext, getcontext)
+diff --git a/sysdeps/unix/sysv/linux/mips/kernel_rt_sigframe.h b/sysdeps/unix/sysv/linux/mips/kernel_rt_sigframe.h
+new file mode 100644
+index 0000000..edf8d45
+--- /dev/null
++++ b/ports/sysdeps/unix/sysv/linux/mips/kernel_rt_sigframe.h
+@@ -0,0 +1,10 @@
++/* Linux kernel RT signal frame. */
++typedef struct kernel_rt_sigframe
++  {
++    uint32_t rs_ass[4];
++    uint32_t rs_code[2];
++    struct siginfo rs_info;
++    struct ucontext rs_uc;
++    uint32_t rs_altcode[8] __attribute__ ((__aligned__ (1 << 7)));
++  }
++kernel_rt_sigframe_t;
+diff --git a/sysdeps/unix/sysv/linux/mips/makecontext.S b/sysdeps/unix/sysv/linux/mips/makecontext.S
+new file mode 100644
+index 0000000..cceee3f
+--- /dev/null
++++ b/ports/sysdeps/unix/sysv/linux/mips/makecontext.S
+@@ -0,0 +1,189 @@
++/* Modify saved context.
++   Copyright (C) 2009 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++   Contributed by Maciej W. Rozycki <macro@codesourcery.com>.
++
++   The GNU C Library is free software; you can redistribute it and/or
++   modify it under the terms of the GNU Lesser General Public
++   License as published by the Free Software Foundation; either
++   version 2.1 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
++   Lesser General Public License for more details.
++
++   You should have received a copy of the GNU Lesser General Public
++   License along with the GNU C Library; if not, write to the Free
++   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
++   02110-1301, USA.  */
++
++#include <sysdep.h>
++#include <sys/asm.h>
++#include <sys/fpregdef.h>
++#include <sys/regdef.h>
++
++#include "ucontext_i.h"
++
++/* int makecontext (ucontext_t *ucp, (void *func) (), int argc, ...) */
++
++	.text
++LOCALSZ = 0
++ARGSZ = 0
++MASK = 0x00000000
++#ifdef __PIC__
++LOCALSZ = 1						/* save gp */
++#endif
++#if _MIPS_SIM != _ABIO32
++ARGSZ = 5						/* save a3-a7 */
++# ifdef __PIC__
++MASK = 0x10000000
++# endif
++#endif
++FRAMESZ = (((ARGSZ + LOCALSZ) * SZREG) + ALSZ) & ALMASK
++GPOFF = FRAMESZ - ((ARGSZ + 1) * SZREG)
++#if _MIPS_SIM != _ABIO32
++A3OFF = FRAMESZ - (5 * SZREG)				/* callee-allocated */
++A4OFF = FRAMESZ - (4 * SZREG)
++A5OFF = FRAMESZ - (3 * SZREG)
++A6OFF = FRAMESZ - (2 * SZREG)
++A7OFF = FRAMESZ - (1 * SZREG)
++NARGREGS = 8
++#else
++A3OFF = FRAMESZ + (3 * SZREG)				/* caller-allocated */
++NARGREGS = 4
++#endif
++
++NESTED (__makecontext, FRAMESZ, ra)
++	.mask	MASK, -(ARGSZ * SZREG)
++	.fmask	0x00000000, 0
++
++98:
++#ifdef __PIC__
++	SETUP_GP
++#endif
++
++	PTR_ADDIU sp, -FRAMESZ
++
++#ifdef __PIC__
++	SETUP_GP64 (GPOFF, __makecontext)
++	SAVE_GP (GPOFF)
++#endif
++
++#ifdef PROF
++	.set	noat
++	move	AT, ra
++	jal	_mcount
++	.set	at
++#endif
++
++	/* Store args to be passed.  */
++	REG_S	a3, A3OFF(sp)
++#if _MIPS_SIM != _ABIO32
++	REG_S	a4, A4OFF(sp)
++	REG_S	a5, A5OFF(sp)
++	REG_S	a6, A6OFF(sp)
++	REG_S	a7, A7OFF(sp)
++#endif
++
++	/* Store a magic flag.  */
++	li	v1, 1
++	REG_S	v1, (0 * SZREG + MCONTEXT_GREGS)(a0)	/* zero */
++
++	/* Set up the stack.  */
++	PTR_L	t0, STACK_SP(a0)
++	PTR_L	t2, STACK_SIZE(a0)
++	PTR_ADDIU t1, sp, A3OFF
++	PTR_ADDU t0, t2
++	and	t0, ALMASK
++	blez	a2, 2f					/* no arguments */
++
++	/* Store register arguments.  */
++	PTR_ADDIU t2, a0, MCONTEXT_GREGS + 4 * SZREG
++	move	t3, zero
++0:
++	addiu	t3, 1
++	REG_L	v1, (t1)
++	PTR_ADDIU t1, SZREG
++	REG_S	v1, (t2)
++	PTR_ADDIU t2, SZREG
++	bgeu	t3, a2, 2f				/* all done */
++	bltu	t3, NARGREGS, 0b			/* next */
++
++	/* Make room for stack arguments.  */
++	PTR_SUBU t2, a2, t3
++	PTR_SLL	t2, 3
++	PTR_SUBU t0, t2
++	and	t0, ALMASK
++
++	/* Store stack arguments.  */
++	move	t2, t0
++1:
++	addiu	t3, 1
++	REG_L	v1, (t1)
++	PTR_ADDIU t1, SZREG
++	REG_S	v1, (t2)
++	PTR_ADDIU t2, SZREG
++	bltu	t3, a2, 1b				/* next */
++
++2:
++#if _MIPS_SIM == _ABIO32
++	/* Make room for a0-a3 storage.  */
++	PTR_ADDIU t0, -(NARGSAVE * SZREG)
++#endif
++	PTR_L	v1, UCONTEXT_LINK(a0)
++#ifdef __PIC__
++	PTR_ADDIU t9, 99f - 98b
++#else
++	PTR_LA	t9, 99f
++#endif
++	REG_S	t0, (29 * SZREG + MCONTEXT_GREGS)(a0)	/* sp */
++	REG_S	v1, (16 * SZREG + MCONTEXT_GREGS)(a0)	/* s0 */
++#ifdef __PIC__
++	REG_S	gp, (17 * SZREG + MCONTEXT_GREGS)(a0)	/* s1 */
++#endif
++	REG_S	t9, (31 * SZREG + MCONTEXT_GREGS)(a0)	/* ra */
++	REG_S	a1, MCONTEXT_PC(a0)
++
++#ifdef __PIC__
++	RESTORE_GP64
++	PTR_ADDIU sp, FRAMESZ
++#endif
++	jr	ra
++
++99:
++#ifdef __PIC__
++	move	gp, s1
++#endif
++	move	a0, zero
++	beqz	s0, 0f
++
++	/* setcontext (ucp) */
++	move	a0, s0
++#ifdef __PIC__
++	PTR_LA	t9, JUMPTARGET (__setcontext)
++	jalr	t9
++# if _MIPS_SIM == _ABIO32
++	move	gp, s1
++# endif
++#else
++	jal	JUMPTARGET (__setcontext)
++#endif
++	move	a0, v0
++
++0:
++	/* exit (a0) */
++#ifdef __PIC__
++	PTR_LA	t9, HIDDEN_JUMPTARGET (exit)
++	jalr	t9
++#else
++	jal	HIDDEN_JUMPTARGET (exit)
++#endif
++
++	/* You don't exist, you won't feel anything.  */
++1:
++	lb	zero, (zero)
++	b	1b
++PSEUDO_END (__makecontext)
++
++weak_alias (__makecontext, makecontext)
+diff --git a/sysdeps/unix/sysv/linux/mips/setcontext.S b/sysdeps/unix/sysv/linux/mips/setcontext.S
+new file mode 100644
+index 0000000..186f3a7
+--- /dev/null
++++ b/ports/sysdeps/unix/sysv/linux/mips/setcontext.S
+@@ -0,0 +1,192 @@
++/* Set current context.
++   Copyright (C) 2009 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++   Contributed by Maciej W. Rozycki <macro@codesourcery.com>.
++
++   The GNU C Library is free software; you can redistribute it and/or
++   modify it under the terms of the GNU Lesser General Public
++   License as published by the Free Software Foundation; either
++   version 2.1 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
++   Lesser General Public License for more details.
++
++   You should have received a copy of the GNU Lesser General Public
++   License along with the GNU C Library; if not, write to the Free
++   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
++   02110-1301, USA.  */
++
++#include <sysdep.h>
++#include <sys/asm.h>
++#include <sys/fpregdef.h>
++#include <sys/regdef.h>
++
++#include "ucontext_i.h"
++
++/* int setcontext (const ucontext_t *ucp) */
++
++	.text
++LOCALSZ = 0
++ARGSZ = 0
++MASK = 0x00000000
++#ifdef __PIC__
++LOCALSZ = 1						/* save gp */
++#endif
++#if _MIPS_SIM != _ABIO32
++ARGSZ = 1						/* save a0 */
++# ifdef __PIC__
++MASK = 0x10000000
++# endif
++#endif
++FRAMESZ = (((ARGSZ + LOCALSZ) * SZREG) + ALSZ) & ALMASK
++GPOFF = FRAMESZ - ((ARGSZ + 1) * SZREG)
++#if _MIPS_SIM != _ABIO32
++A0OFF = FRAMESZ - (1 * SZREG)				/* callee-allocated */
++#else
++A0OFF = FRAMESZ + (0 * SZREG)				/* caller-allocated */
++#endif
++
++NESTED (__setcontext, FRAMESZ, ra)
++	.mask	MASK, -(ARGSZ * SZREG)
++	.fmask	0x00000000, 0
++
++#ifdef __PIC__
++	SETUP_GP
++#endif
++
++	PTR_ADDIU sp, -FRAMESZ
++
++#ifdef __PIC__
++	SETUP_GP64 (GPOFF, __setcontext)
++	SAVE_GP (GPOFF)
++#endif
++
++#ifdef PROF
++	.set	noat
++	move	AT, ra
++	jal	_mcount
++	.set	at
++#endif
++
++	/* Check for the magic flag.  */
++	li	v0, 1
++	REG_L	v1, (0 * SZREG + MCONTEXT_GREGS)(a0)	/* zero */
++	bne	v0, v1, 98f
++
++	REG_S	a0, A0OFF(sp)
++
++/* rt_sigprocmask (SIG_SETMASK, &ucp->uc_sigmask, NULL, _NSIG8) */
++	li	a3, _NSIG8
++	move	a2, zero
++	PTR_ADDU a1, a0, UCONTEXT_SIGMASK
++	li	a0, SIG_SETMASK
++
++	li	v0, SYS_ify (rt_sigprocmask)
++	syscall
++	bnez	a3, 99f
++
++	REG_L	v0, A0OFF(sp)
++
++#ifdef __mips_hard_float
++# if _MIPS_SIM == _ABI64
++	l.d	fs0, (24 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs1, (25 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs2, (26 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs3, (27 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs4, (28 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs5, (29 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs6, (30 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs7, (31 * SZREG + MCONTEXT_FPREGS)(v0)
++
++# else  /* _MIPS_SIM != _ABI64 */
++	l.d	fs0, (20 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs1, (22 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs2, (24 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs3, (26 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs4, (28 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs5, (30 * SZREG + MCONTEXT_FPREGS)(v0)
++
++# endif /* _MIPS_SIM != _ABI64 */
++
++	lw	v1, MCONTEXT_FPC_CSR(v0)
++	ctc1	v1, fcr31
++#endif /* __mips_hard_float */
++
++	/* Note the contents of argument registers will be random
++	   unless makecontext() has been called.  */
++	REG_L	a0, (4 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a1, (5 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a2, (6 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a3, (7 * SZREG + MCONTEXT_GREGS)(v0)
++#if _MIPS_SIM != _ABIO32
++	REG_L	a4, (8 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a5, (9 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a6, (10 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a7, (11 * SZREG + MCONTEXT_GREGS)(v0)
++#endif
++
++	REG_L	s0, (16 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s1, (17 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s2, (18 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s3, (19 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s4, (20 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s5, (21 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s6, (22 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s7, (23 * SZREG + MCONTEXT_GREGS)(v0)
++#if ! defined (__PIC__) || _MIPS_SIM != _ABIO32
++	REG_L	gp, (28 * SZREG + MCONTEXT_GREGS)(v0)
++#endif
++	REG_L	sp, (29 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	fp, (30 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	ra, (31 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	t9, MCONTEXT_PC(v0)
++
++	move	v0, zero
++	jr	t9
++
++98:
++	/* This is a context obtained from a signal handler.
++	   Perform a full restore by pushing the context
++	   passed onto a simulated signal frame on the stack
++	   and call the signal return syscall as if a signal
++	   handler exited normally.  */
++	PTR_ADDIU sp, -((RT_SIGFRAME_SIZE + ALSZ) & ALMASK)
++
++	/* Only ucontext is referred to from rt_sigreturn,
++	   copy it.  */
++	PTR_ADDIU t1, sp, RT_SIGFRAME_UCONTEXT
++	li	t3, ((UCONTEXT_SIZE + SZREG - 1) / SZREG) - 1
++0:
++	REG_L	t2, (a0)
++	PTR_ADDIU a0, SZREG
++	REG_S	t2, (t1)
++	PTR_ADDIU t1, SZREG
++	.set	noreorder
++	bgtz	t3, 0b
++	 addiu	t3, -1
++	.set	reorder
++
++/* rt_sigreturn () -- no arguments, sp points to struct rt_sigframe.  */
++	li	v0, SYS_ify (rt_sigreturn)
++	syscall
++
++	/* Restore the stack and fall through to the error
++	   path.  Successful rt_sigreturn never returns to
++	   its calling place.  */
++	PTR_ADDIU sp, ((RT_SIGFRAME_SIZE + ALSZ) & ALMASK)
++99:
++#ifdef __PIC__
++	PTR_LA	t9, JUMPTARGET (__syscall_error)
++	RESTORE_GP64
++	PTR_ADDIU sp, FRAMESZ
++	jr	t9
++
++#else  /* ! __PIC__ */
++
++	j	JUMPTARGET (__syscall_error)
++#endif /* ! __PIC__ */
++PSEUDO_END (__setcontext)
++
++weak_alias (__setcontext, setcontext)
+diff --git a/sysdeps/unix/sysv/linux/mips/swapcontext.S b/sysdeps/unix/sysv/linux/mips/swapcontext.S
+new file mode 100644
+index 0000000..b0b8417
+--- /dev/null
++++ b/ports/sysdeps/unix/sysv/linux/mips/swapcontext.S
+@@ -0,0 +1,212 @@
++/* Save and set current context.
++   Copyright (C) 2009 Free Software Foundation, Inc.
++   This file is part of the GNU C Library.
++   Contributed by Maciej W. Rozycki <macro@codesourcery.com>.
++
++   The GNU C Library is free software; you can redistribute it and/or
++   modify it under the terms of the GNU Lesser General Public
++   License as published by the Free Software Foundation; either
++   version 2.1 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
++   Lesser General Public License for more details.
++
++   You should have received a copy of the GNU Lesser General Public
++   License along with the GNU C Library; if not, write to the Free
++   Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
++   02110-1301, USA.  */
++
++#include <sysdep.h>
++#include <sys/asm.h>
++#include <sys/fpregdef.h>
++#include <sys/regdef.h>
++
++#include "ucontext_i.h"
++
++/* int swapcontext (ucontext_t *oucp, const ucontext_t *ucp) */
++
++	.text
++LOCALSZ = 0
++ARGSZ = 0
++MASK = 0x00000000
++#ifdef __PIC__
++LOCALSZ = 1						/* save gp */
++#endif
++#if _MIPS_SIM != _ABIO32
++ARGSZ = 1						/* save a1 */
++# ifdef __PIC__
++MASK = 0x10000000
++# endif
++#endif
++FRAMESZ = (((ARGSZ + LOCALSZ) * SZREG) + ALSZ) & ALMASK
++GPOFF = FRAMESZ - ((ARGSZ + 1) * SZREG)
++#if _MIPS_SIM != _ABIO32
++A1OFF = FRAMESZ - (1 * SZREG)				/* callee-allocated */
++#else
++A1OFF = FRAMESZ + (1 * SZREG)				/* caller-allocated */
++#endif
++
++NESTED (__swapcontext, FRAMESZ, ra)
++	.mask	MASK, -(ARGSZ * SZREG)
++	.fmask	0x00000000, 0
++
++#ifdef __PIC__
++	SETUP_GP
++
++	move	a2, sp
++# define _SP a2
++
++# if _MIPS_SIM != _ABIO32
++	move	a3, gp
++#  define _GP a3
++# endif
++
++	PTR_ADDIU sp, -FRAMESZ
++	SETUP_GP64 (GPOFF, __swapcontext)
++	SAVE_GP (GPOFF)
++
++#else  /* ! __PIC__ */
++# define _SP sp
++# define _GP gp
++
++#endif /* ! __PIC__ */
++
++#ifdef PROF
++	.set	noat
++	move	AT, ra
++	jal	_mcount
++	.set	at
++#endif
++
++	/* Store a magic flag.	*/
++	li	v1, 1
++	REG_S	v1, (0 * SZREG + MCONTEXT_GREGS)(a0)	/* zero */
++
++	REG_S	s0, (16 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s1, (17 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s2, (18 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s3, (19 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s4, (20 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s5, (21 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s6, (22 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	s7, (23 * SZREG + MCONTEXT_GREGS)(a0)
++#if ! defined (__PIC__) || _MIPS_SIM != _ABIO32
++	REG_S	_GP, (28 * SZREG + MCONTEXT_GREGS)(a0)
++#endif
++	REG_S	_SP, (29 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	fp, (30 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	ra, (31 * SZREG + MCONTEXT_GREGS)(a0)
++	REG_S	ra, MCONTEXT_PC(a0)
++
++#ifdef __mips_hard_float
++# if _MIPS_SIM == _ABI64
++	s.d	fs0, (24 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs1, (25 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs2, (26 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs3, (27 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs4, (28 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs5, (29 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs6, (30 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs7, (31 * SZREG + MCONTEXT_FPREGS)(a0)
++
++# else  /* _MIPS_SIM != _ABI64 */
++	s.d	fs0, (20 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs1, (22 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs2, (24 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs3, (26 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs4, (28 * SZREG + MCONTEXT_FPREGS)(a0)
++	s.d	fs5, (30 * SZREG + MCONTEXT_FPREGS)(a0)
++
++# endif /* _MIPS_SIM != _ABI64 */
++
++	cfc1	v1, fcr31
++	sw	v1, MCONTEXT_FPC_CSR(a0)
++#endif /* __mips_hard_float */
++
++	REG_S	a1, A1OFF(sp)
++
++/* rt_sigprocmask (SIG_SETMASK, &ucp->uc_sigmask, &oucp->uc_sigmask, _NSIG8) */
++	li	a3, _NSIG8
++	PTR_ADDU a2, a0, UCONTEXT_SIGMASK
++	PTR_ADDU a1, a1, UCONTEXT_SIGMASK
++	li	a0, SIG_SETMASK
++
++	li	v0, SYS_ify (rt_sigprocmask)
++	syscall
++	bnez	a3, 99f
++
++	REG_L	v0, A1OFF(sp)
++
++#ifdef __mips_hard_float
++# if _MIPS_SIM == _ABI64
++	l.d	fs0, (24 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs1, (25 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs2, (26 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs3, (27 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs4, (28 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs5, (29 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs6, (30 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs7, (31 * SZREG + MCONTEXT_FPREGS)(v0)
++
++# else  /* _MIPS_SIM != _ABI64 */
++	l.d	fs0, (20 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs1, (22 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs2, (24 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs3, (26 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs4, (28 * SZREG + MCONTEXT_FPREGS)(v0)
++	l.d	fs5, (30 * SZREG + MCONTEXT_FPREGS)(v0)
++
++# endif /* _MIPS_SIM != _ABI64 */
++
++	lw	v1, MCONTEXT_FPC_CSR(v0)
++	ctc1	v1, fcr31
++#endif /* __mips_hard_float */
++
++	/* Note the contents of argument registers will be random
++	   unless makecontext() has been called.  */
++	REG_L	a0, (4 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a1, (5 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a2, (6 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a3, (7 * SZREG + MCONTEXT_GREGS)(v0)
++#if _MIPS_SIM != _ABIO32
++	REG_L	a4, (8 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a5, (9 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a6, (10 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	a7, (11 * SZREG + MCONTEXT_GREGS)(v0)
++#endif
++
++	REG_L	s0, (16 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s1, (17 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s2, (18 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s3, (19 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s4, (20 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s5, (21 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s6, (22 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	s7, (23 * SZREG + MCONTEXT_GREGS)(v0)
++#if ! defined (__PIC__) || _MIPS_SIM != _ABIO32
++	REG_L	gp, (28 * SZREG + MCONTEXT_GREGS)(v0)
++#endif
++	REG_L	sp, (29 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	fp, (30 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	ra, (31 * SZREG + MCONTEXT_GREGS)(v0)
++	REG_L	t9, MCONTEXT_PC(v0)
++
++	move	v0, zero
++	jr	t9
++
++99:
++#ifdef __PIC__
++	PTR_LA	t9, JUMPTARGET (__syscall_error)
++	RESTORE_GP64
++	PTR_ADDIU sp, FRAMESZ
++	jr	t9
++
++#else  /* ! __PIC__ */
++
++	j	JUMPTARGET (__syscall_error)
++#endif /* ! __PIC__ */
++PSEUDO_END (__swapcontext)
++
++weak_alias (__swapcontext, swapcontext)
+diff --git a/sysdeps/unix/sysv/linux/mips/sys/ucontext.h b/sysdeps/unix/sysv/linux/mips/sys/ucontext.h
+index ac496f3..251f0c8 100644
+--- a/ports/sysdeps/unix/sysv/linux/mips/sys/ucontext.h
++++ b/ports/sysdeps/unix/sysv/linux/mips/sys/ucontext.h
+@@ -1,4 +1,4 @@
+-/* Copyright (C) 1997, 1998, 2000, 2003, 2004, 2006 Free Software
++/* Copyright (C) 1997, 1998, 2000, 2003, 2004, 2006, 2009 Free Software
+    Foundation, Inc.  This file is part of the GNU C Library.
+ 
+    The GNU C Library is free software; you can redistribute it and/or
+@@ -56,12 +56,9 @@ typedef struct fpregset {
+ #if _MIPS_SIM == _ABIO32
+ /* Earlier versions of glibc for mips had an entirely different
+    definition of mcontext_t, that didn't even resemble the
+-   corresponding kernel data structure.  Since all legitimate uses of
+-   ucontext_t in glibc mustn't have accessed anything beyond
+-   uc_mcontext and, even then, taking a pointer to it, casting it to
+-   sigcontext_t, and accessing it as such, which is what it has always
+-   been, this can still be rectified.  Fortunately, makecontext,
+-   [gs]etcontext et all have never been implemented.  */
++   corresponding kernel data structure.  Fortunately, makecontext,
++   [gs]etcontext et all were not implemented back then, so this can
++   still be rectified.  */
+ typedef struct
+   {
+     unsigned int regmask;
+diff --git a/sysdeps/unix/sysv/linux/mips/ucontext_i.sym b/sysdeps/unix/sysv/linux/mips/ucontext_i.sym
+new file mode 100644
+index 0000000..f14b886
+--- /dev/null
++++ b/ports/sysdeps/unix/sysv/linux/mips/ucontext_i.sym
+@@ -0,0 +1,52 @@
++#include <inttypes.h>
++#include <signal.h>
++#include <stddef.h>
++#include <sys/ucontext.h>
++
++#include <kernel_rt_sigframe.h>
++
++-- Constants used by the rt_sigprocmask call.
++
++SIG_BLOCK
++SIG_SETMASK
++
++_NSIG8				(_NSIG / 8)
++
++-- Offsets of the fields in the kernel rt_sigframe_t structure.
++#define rt_sigframe(member)	offsetof (kernel_rt_sigframe_t, member)
++
++RT_SIGFRAME_UCONTEXT		rt_sigframe (rs_uc)
++
++RT_SIGFRAME_SIZE		sizeof (kernel_rt_sigframe_t)
++
++-- Offsets of the fields in the ucontext_t structure.
++#define ucontext(member)	offsetof (ucontext_t, member)
++#define stack(member)		ucontext (uc_stack.member)
++#define mcontext(member)	ucontext (uc_mcontext.member)
++
++UCONTEXT_FLAGS			ucontext (uc_flags)
++UCONTEXT_LINK			ucontext (uc_link)
++UCONTEXT_STACK			ucontext (uc_stack)
++UCONTEXT_MCONTEXT		ucontext (uc_mcontext)
++UCONTEXT_SIGMASK		ucontext (uc_sigmask)
++
++STACK_SP			stack (ss_sp)
++STACK_SIZE			stack (ss_size)
++STACK_FLAGS			stack (ss_flags)
++
++MCONTEXT_GREGS			mcontext (gregs)
++MCONTEXT_FPREGS			mcontext (fpregs)
++MCONTEXT_MDHI			mcontext (mdhi)
++MCONTEXT_HI1			mcontext (hi1)
++MCONTEXT_HI2			mcontext (hi2)
++MCONTEXT_HI3			mcontext (hi3)
++MCONTEXT_MDLO			mcontext (mdlo)
++MCONTEXT_LO1			mcontext (lo1)
++MCONTEXT_LO2			mcontext (lo2)
++MCONTEXT_LO3			mcontext (lo3)
++MCONTEXT_PC			mcontext (pc)
++MCONTEXT_FPC_CSR		mcontext (fpc_csr)
++MCONTEXT_USED_MATH		mcontext (used_math)
++MCONTEXT_DSP			mcontext (dsp)
++
++UCONTEXT_SIZE			sizeof (ucontext_t)

Modified: glibc-package/trunk/debian/patches/series
===================================================================
--- glibc-package/trunk/debian/patches/series	2009-04-23 19:07:08 UTC (rev 3411)
+++ glibc-package/trunk/debian/patches/series	2009-04-23 19:18:06 UTC (rev 3412)
@@ -119,6 +119,7 @@
 
 mips/local-lazy-eval.diff
 mips/local-r10k.diff
+mips/cvs-context.diff
 
 powerpc/local-sysconf.diff
 


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