Author: aurel32
Date: 2008-08-07 07:25:26 +0000 (Thu, 07 Aug 2008)
New Revision: 3039
Added:
glibc-package/trunk/debian/patches/hppa/local-context.diff
glibc-package/trunk/debian/patches/sparc/cvs-context.diff
Modified:
glibc-package/trunk/debian/changelog
glibc-package/trunk/debian/patches/series
Log:
* patches/sparc/cvs-context.diff: new patch from upstream to add
getcontext(), setcontext(), makecontext() on Sparc. Closes: #295173.
* patches/hppa/local-context.diff: new patch from Helge Deller to add
getcontext(), setcontext(), makecontext() on PARISC. Closes: #492778.
Modified: glibc-package/trunk/debian/changelog
===================================================================
--- glibc-package/trunk/debian/changelog 2008-08-07 02:16:08 UTC (rev
3038)
+++ glibc-package/trunk/debian/changelog 2008-08-07 07:25:26 UTC (rev
3039)
@@ -6,6 +6,10 @@
[ Aurelien Jarno ]
* patches/mips/cvs-mknod.diff: new patch from upstream to allow > 255 minors
on mips. Closes: #493751.
+ * patches/sparc/cvs-context.diff: new patch from upstream to add
+ getcontext(), setcontext(), makecontext() on Sparc. Closes: #295173.
+ * patches/hppa/local-context.diff: new patch from Helge Deller to add
+ getcontext(), setcontext(), makecontext() on PARISC. Closes: #492778.
[ Samuel Thibault ]
* patches/hurd-i386/cvs-lock-memory-clobber.diff: new patch from upstream
Added: glibc-package/trunk/debian/patches/hppa/local-context.diff
===================================================================
--- glibc-package/trunk/debian/patches/hppa/local-context.diff
(rev 0)
+++ glibc-package/trunk/debian/patches/hppa/local-context.diff 2008-08-07
07:25:26 UTC (rev 3039)
@@ -0,0 +1,491 @@
+diff -up ports/sysdeps/unix/sysv/linux/hppa/Makefile.org
ports/sysdeps/unix/sysv/linux/hppa/Makefile
+--- ports/sysdeps/unix/sysv/linux/hppa/Makefile.org 2008-07-16
19:41:29.000000000 +0200
++++ ports/sysdeps/unix/sysv/linux/hppa/Makefile 2008-07-16
19:41:37.000000000 +0200
+@@ -1,2 +1,7 @@
+ # linux/hppa does not use -lmilli anymore
+ gnulib := -lgcc
++
++ifeq ($(subdir),stdlib)
++gen-as-const-headers += ucontext_i.sym
++endif
++
+diff -up ports/sysdeps/unix/sysv/linux/hppa/getcontext.S.org
ports/sysdeps/unix/sysv/linux/hppa/getcontext.S
+--- ports/sysdeps/unix/sysv/linux/hppa/getcontext.S.org 2008-07-16
19:52:11.000000000 +0200
++++ ports/sysdeps/unix/sysv/linux/hppa/getcontext.S 2008-07-18
23:34:32.000000000 +0200
+@@ -0,0 +1,101 @@
++/* Get current user context.
++ Copyright (C) 2008 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++ Contributed by Helge Deller <[EMAIL PROTECTED]>, 2008.
++
++ 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, Inc., 59 Temple Place, Suite 330, Boston, MA
++ 02111-1307 USA. */
++
++#include <sysdep.h>
++
++#include "ucontext_i.h"
++
++ENTRY(__getcontext)
++ /* Save the register. */
++ stw %r0, oR0(%r26)
++ stw %r1, oR1(%r26)
++ stw %r2, oR2(%r26)
++ stw %r3, oR3(%r26)
++ stw %r4, oR4(%r26)
++ stw %r5, oR5(%r26)
++ stw %r6, oR6(%r26)
++ stw %r7, oR7(%r26)
++ stw %r8, oR8(%r26)
++ stw %r9, oR9(%r26)
++ stw %r10, oR10(%r26)
++ stw %r11, oR11(%r26)
++ stw %r12, oR12(%r26)
++ stw %r13, oR13(%r26)
++ stw %r14, oR14(%r26)
++ stw %r15, oR15(%r26)
++ stw %r16, oR16(%r26)
++ stw %r17, oR17(%r26)
++ stw %r18, oR18(%r26)
++ stw %r19, oR19(%r26)
++ stw %r20, oR20(%r26)
++ stw %r21, oR21(%r26)
++ stw %r22, oR22(%r26)
++ stw %r23, oR23(%r26)
++ stw %r24, oR24(%r26)
++ stw %r25, oR25(%r26)
++ stw %r26, oR26(%r26)
++ stw %r27, oR27(%r26)
++ stw %r28, oR28(%r26)
++ stw %r29, oR29(%r26)
++ ldo -64(%sp), %r1 /* Calculate %sp in %r1. */
++ stw %r1, oR30(%r26) /* Save new %sp. */
++ stw %r31, oR31(%r26)
++
++ stw %r0, oUC_FLAGS(%r26)
++ stw %r0, oUC_LINK(%r26)
++ stw %r1, oSS_SP(%r26) /* New %sp. */
++ stw %r0, oSS_FLAGS(%r26)
++ stw %r0, oSS_SIZE(%r26)
++
++ stw %r0, oSC_FLAGS(%r26)
++
++ stw %r0, oIASQ0(%r26)
++ stw %r0, oIASQ1(%r26)
++ stw %r0, oIAOQ0(%r26)
++ stw %r0, oIAOQ1(%r26)
++ stw %r0, oSAR(%r26)
++
++ /* Store floating-point regs. */
++ /* fstd %fr0, oFP0(%r26) */
++
++
++ /* Prologue */
++ stwm %r4, 64(%r30)
++#ifdef PIC
++ stw %r19, -32(%r30)
++#endif
++
++ /* Save the current signal mask. */
++ /* sigprocmask(SIG_BLOCK, NULL, &ucp->uc_sigmask); */
++ ldo oSIGMASK(%r26), %r24
++ copy %r0, %r25
++ bl sigprocmask, %r2
++ ldi SIG_BLOCK, %r26
++
++ /* Epilogue */
++ ldw -84(%r30), %r2
++#ifdef PIC
++ ldw -96(%r30), %r19
++#endif
++ bv %r0(%r2)
++ ldwm -64(%r30), %r4
++END(__getcontext)
++
++weak_alias (__getcontext, getcontext)
+diff -up ports/sysdeps/unix/sysv/linux/hppa/makecontext.c.org
ports/sysdeps/unix/sysv/linux/hppa/makecontext.c
+--- ports/sysdeps/unix/sysv/linux/hppa/makecontext.c.org 2008-07-16
21:41:02.000000000 +0200
++++ ports/sysdeps/unix/sysv/linux/hppa/makecontext.c 2008-07-16
22:16:29.000000000 +0200
+@@ -0,0 +1,79 @@
++/* Create new context.
++ Copyright (C) 2008 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++ Contributed by Helge Deller <[EMAIL PROTECTED]>, 2008.
++
++ 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, Inc., 59 Temple Place, Suite 330, Boston, MA
++ 02111-1307 USA. */
++
++#include <libintl.h>
++#include <stdarg.h>
++#include <stdio.h>
++#include <stdlib.h>
++#include <sysdep.h>
++#include <ucontext.h>
++
++/* XXX: This implementation only handles integer arguments. */
++
++void
++__makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...)
++{
++ unsigned int *sp;
++ va_list ap;
++ int i;
++
++ if (argc > 8)
++ {
++ fprintf (stderr, _("\
++makecontext: does not know how to handle more than 8 arguments\n"));
++ exit (-1);
++ }
++
++ /* Generate room on stack for parameter if needed and uc_link. */
++ sp = (unsigned int *) ucp->uc_stack.ss_sp;
++
++ /* Address to jump to. */
++ ucp->uc_mcontext.sc_gr[2] = (unsigned long) func;
++
++ va_start (ap, argc);
++ /* Handle arguments. */
++ for (i = 0; i < argc; ++i)
++ switch (i)
++ {
++ case 0:
++ case 1:
++ case 2:
++ case 3:
++ ucp->uc_mcontext.sc_gr[26-i] = va_arg (ap, int);
++ break;
++ case 4:
++ case 5:
++ case 6:
++ case 7:
++ if (sizeof(unsigned long) == 4) {
++ /* 32bit: put arg7-arg4 on stack. */
++ sp[7-i] = va_arg (ap, int);
++ } else {
++ /* 64bit: r19-r22 are arg7-arg4. */
++ ucp->uc_mcontext.sc_gr[22+4-i] = va_arg (ap, int);
++ }
++ break;
++ }
++ va_end (ap);
++
++}
++
++
++weak_alias(__makecontext, makecontext)
+diff -up ports/sysdeps/unix/sysv/linux/hppa/setcontext.S.org
ports/sysdeps/unix/sysv/linux/hppa/setcontext.S
+--- ports/sysdeps/unix/sysv/linux/hppa/setcontext.S.org 2008-07-16
22:29:10.000000000 +0200
++++ ports/sysdeps/unix/sysv/linux/hppa/setcontext.S 2008-07-18
23:34:23.000000000 +0200
+@@ -0,0 +1,124 @@
++/* Install given context.
++ Copyright (C) 2008 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++ Contributed by Helge Deller <[EMAIL PROTECTED]>, 2008.
++
++ 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, Inc., 59 Temple Place, Suite 330, Boston, MA
++ 02111-1307 USA. */
++
++#include <sysdep.h>
++
++#include "ucontext_i.h"
++
++
++ENTRY(__setcontext)
++ /* Prologue */
++ stwm %r3, 64(%r30)
++#ifdef PIC
++ stw %r19, -32(%r30)
++#endif
++
++ /* Save ucp. */
++ copy %r26, %r3
++
++L(_again):
++ /* Set the current signal mask. */
++ /* sigprocmask(SIG_BLOCK, &ucp->uc_sigmask, NULL); */
++ copy %r0, %r24
++ ldo oSIGMASK(%r3), %r25
++ bl sigprocmask, %r2
++ ldi SIG_SETMASK, %r26
++
++ comib,<> 0,%ret0,L(_error)
++ nop
++
++ /* Save %sp, %dp. */
++ copy %sp, %r4
++ copy %dp, %r5
++ copy %r19, %r6
++
++ /* Get the registers. */
++ ldw oR1(%r3), %r1
++ ldw oR2(%r3), %r2
++ /* ldw oR3(%r3), %r3 - used for ucp pointer. */
++ /* ldw oR4(%r3), %r4 - used for original %sp. */
++ /* ldw oR5(%r3), %r5 - used for %dp / %r27. */
++ /* ldw oR6(%r3), %r6 - used for %r19. */
++ ldw oR7(%r3), %r7
++ ldw oR8(%r3), %r8
++ ldw oR9(%r3), %r9
++ ldw oR10(%r3), %r10
++ ldw oR11(%r3), %r11
++ ldw oR12(%r3), %r12
++ ldw oR13(%r3), %r13
++ ldw oR14(%r3), %r14
++ ldw oR15(%r3), %r15
++ ldw oR16(%r3), %r16
++ ldw oR17(%r3), %r17
++ ldw oR18(%r3), %r18
++ ldw oR19(%r3), %r19
++ ldw oR20(%r3), %r20
++ ldw oR21(%r3), %r21
++ /* ldw oR22(%r3), %r22 - dyncall arg. */
++ ldw oR23(%r3), %r23
++ ldw oR24(%r3), %r24
++ ldw oR25(%r3), %r25
++ ldw oR26(%r3), %r26
++ ldw oR27(%r3), %r27
++ ldw oR28(%r3), %r28
++ ldw oR29(%r3), %r29
++ ldw oR30(%r3), %r30
++ ldw oR31(%r3), %r31
++
++ /* Restore floating-point registers. */
++ /* fldd oFP0(%r3),%fr0 */
++
++
++ /* Calculate new stack pointer. */
++ ldw oSS_SP(%r3), %sp
++ ldo 64(%sp), %sp
++
++ /* Call function. */
++ copy %r2, %r22
++ bl $$dyncall, %r31
++ copy %r31, %r2
++
++ /* We return here. Get new ucp in %r3, reload %sp. */
++ ldw oUC_LINK(%r3), %r3
++ copy %r4, %sp
++ copy %r5, %dp
++ copy %r6, %r19
++
++ /* If ucp == NULL then exit(). */
++ comib,<> 0,%r3,L(_again)
++ nop
++
++ /* If we looped through all uc_link contexts, exit now. */
++ bl _exit, %r2
++ ldi -1, %r26
++
++
++L(_error):
++ /* Epilogue */
++ ldw -84(%r30), %r2
++#ifdef PIC
++ ldw -96(%r30), %r19
++#endif
++ bv %r0(%r2)
++ ldwm -64(%r30), %r3
++L(pseudo_end):
++PSEUDO_END(__setcontext)
++
++weak_alias(__setcontext, setcontext)
+diff -up ports/sysdeps/unix/sysv/linux/hppa/swapcontext.c.org
ports/sysdeps/unix/sysv/linux/hppa/swapcontext.c
+--- ports/sysdeps/unix/sysv/linux/hppa/swapcontext.c.org 2008-07-17
00:37:11.000000000 +0200
++++ ports/sysdeps/unix/sysv/linux/hppa/swapcontext.c 2008-07-18
23:07:15.000000000 +0200
+@@ -0,0 +1,66 @@
++/* swap to new context.
++ Copyright (C) 2008 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++ Contributed by Helge Deller <[EMAIL PROTECTED]>, 2008.
++
++ 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, Inc., 59 Temple Place, Suite 330, Boston, MA
++ 02111-1307 USA. */
++
++#include <ucontext.h>
++
++extern int __getcontext (ucontext_t *ucp);
++extern int __setcontext (const ucontext_t *ucp);
++
++int
++__swapcontext (ucontext_t *oucp, const ucontext_t *ucp)
++{
++ extern void __swapcontext_ret (void);
++
++ /* Save the current machine context to oucp. */
++ __getcontext (oucp);
++
++ /* uc_flags helps to skip the __setcontext call on reactivation. */
++ if (++oucp->uc_flags == 1) {
++ /* Temporarily save a few registers in r23-r26 which would be
++ * overwritten by setcontext(). Set up the jump to __swapcontext_ret,
++ * where the registers will be restored and then returned to the
++ * above uc_flags == 1 test. */
++ oucp->uc_mcontext.sc_gr[20] = oucp->uc_mcontext.sc_gr[2];
++ oucp->uc_mcontext.sc_gr[2] = (unsigned long) __swapcontext_ret;
++ oucp->uc_mcontext.sc_gr[23] = oucp->uc_mcontext.sc_gr[3];
++ oucp->uc_mcontext.sc_gr[24] = oucp->uc_mcontext.sc_gr[4];
++ oucp->uc_mcontext.sc_gr[25] = oucp->uc_mcontext.sc_gr[5];
++ oucp->uc_mcontext.sc_gr[26] = oucp->uc_mcontext.sc_gr[6];
++
++ /* Restore the machine context in ucp. */
++ __setcontext (ucp);
++ }
++ return 0;
++}
++
++asm (" \n\
++ .text \n\
++ .type __swapcontext_ret, #function \n\
++__swapcontext_ret: \n\
++ copy %r23, %r3 \n\
++ copy %r24, %r4 \n\
++ copy %r25, %r5 \n\
++ copy %r26, %r6 \n\
++ bv 0(%r20) \n\
++ copy %r0, %ret0 \n\
++ .size __swapcontext_ret, .-__swapcontext_ret \n\
++ ");
++
++weak_alias (__swapcontext, swapcontext)
+diff -up ports/sysdeps/unix/sysv/linux/hppa/ucontext_i.sym.org
ports/sysdeps/unix/sysv/linux/hppa/ucontext_i.sym
+--- ports/sysdeps/unix/sysv/linux/hppa/ucontext_i.sym.org 2008-07-16
19:27:46.000000000 +0200
++++ ports/sysdeps/unix/sysv/linux/hppa/ucontext_i.sym 2008-07-18
23:17:07.000000000 +0200
+@@ -0,0 +1,90 @@
++#include <stddef.h>
++#include <signal.h>
++#include <sys/ucontext.h>
++
++--
++
++SIG_BLOCK
++SIG_SETMASK
++
++#define ucontext(member) offsetof (ucontext_t, member)
++#define mcontext(member) ucontext (uc_mcontext.member)
++#define mreg(reg) mcontext (sc_gr[reg])
++
++oUC_FLAGS ucontext (uc_flags)
++oUC_LINK ucontext (uc_link)
++oSS_SP ucontext (uc_stack.ss_sp)
++oSS_FLAGS ucontext (uc_stack.ss_flags)
++oSS_SIZE ucontext (uc_stack.ss_size)
++oSC_FLAGS mcontext (sc_flags)
++oR0 mreg (0)
++oR1 mreg (1)
++oR2 mreg (2)
++oR3 mreg (3)
++oR4 mreg (4)
++oR5 mreg (5)
++oR6 mreg (6)
++oR7 mreg (7)
++oR8 mreg (8)
++oR9 mreg (9)
++oR10 mreg (10)
++oR11 mreg (11)
++oR12 mreg (12)
++oR13 mreg (13)
++oR14 mreg (14)
++oR15 mreg (15)
++oR16 mreg (16)
++oR17 mreg (17)
++oR18 mreg (18)
++oR19 mreg (19)
++oR20 mreg (20)
++oR21 mreg (21)
++oR22 mreg (22)
++oR23 mreg (23)
++oR24 mreg (24)
++oR25 mreg (25)
++oR26 mreg (26)
++oR27 mreg (27)
++oR28 mreg (28)
++oR29 mreg (29)
++oR30 mreg (30)
++oR31 mreg (31)
++oFPREGS mcontext (sc_fr)
++oFP0 mcontext (sc_fr[0])
++oFP1 mcontext (sc_fr[1])
++oFP2 mcontext (sc_fr[2])
++oFP3 mcontext (sc_fr[3])
++oFP4 mcontext (sc_fr[4])
++oFP5 mcontext (sc_fr[5])
++oFP6 mcontext (sc_fr[6])
++oFP7 mcontext (sc_fr[7])
++oFP8 mcontext (sc_fr[8])
++oFP9 mcontext (sc_fr[9])
++oFP10 mcontext (sc_fr[10])
++oFP11 mcontext (sc_fr[11])
++oFP12 mcontext (sc_fr[12])
++oFP13 mcontext (sc_fr[13])
++oFP14 mcontext (sc_fr[14])
++oFP15 mcontext (sc_fr[15])
++oFP16 mcontext (sc_fr[16])
++oFP17 mcontext (sc_fr[17])
++oFP18 mcontext (sc_fr[18])
++oFP19 mcontext (sc_fr[19])
++oFP20 mcontext (sc_fr[20])
++oFP21 mcontext (sc_fr[21])
++oFP22 mcontext (sc_fr[22])
++oFP23 mcontext (sc_fr[23])
++oFP24 mcontext (sc_fr[24])
++oFP25 mcontext (sc_fr[25])
++oFP26 mcontext (sc_fr[26])
++oFP27 mcontext (sc_fr[27])
++oFP28 mcontext (sc_fr[28])
++oFP29 mcontext (sc_fr[29])
++oFP30 mcontext (sc_fr[30])
++oFP31 mcontext (sc_fr[31])
++oIASQ0 mcontext (sc_iasq[0])
++oIASQ1 mcontext (sc_iasq[1])
++oIAOQ0 mcontext (sc_iaoq[0])
++oIAOQ1 mcontext (sc_iaoq[1])
++oSAR mcontext (sc_sar)
++oSIGMASK ucontext (uc_sigmask)
Modified: glibc-package/trunk/debian/patches/series
===================================================================
--- glibc-package/trunk/debian/patches/series 2008-08-07 02:16:08 UTC (rev
3038)
+++ glibc-package/trunk/debian/patches/series 2008-08-07 07:25:26 UTC (rev
3039)
@@ -75,6 +75,7 @@
hppa/local-inlining.diff -p0
hppa/local-linuxthreads.diff -p0
hppa/local-linuxthreads-gscope.diff -p0
+patches/hppa/local-context.diff -p0
hurd-i386/local-dl-dynamic-weak.diff
hurd-i386/local-enable-ldconfig.diff -p0
@@ -135,6 +136,7 @@
sh4/local-fpscr_values.diff -p0
sh4/cvs-nptl-private-futexes.diff -p0
+sparc/cvs-context.diff -p1
sparc/local-fork.diff -p0
sparc/local-sparcv9-target.diff -p0
sparc/submitted-timing.diff
Added: glibc-package/trunk/debian/patches/sparc/cvs-context.diff
===================================================================
--- glibc-package/trunk/debian/patches/sparc/cvs-context.diff
(rev 0)
+++ glibc-package/trunk/debian/patches/sparc/cvs-context.diff 2008-08-07
07:25:26 UTC (rev 3039)
@@ -0,0 +1,532 @@
+2008-05-01 David S. Miller <[EMAIL PROTECTED]>
+
+ * sysdeps/unix/sysv/linux/sparc/sparc32/ucontext_i.sym: New file.
+ * sysdeps/unix/sysv/linux/sparc/sparc32/Makefile [$(subdir) = stdlib]:
+ (gen-as-const-headers): Add it.
+ * sysdeps/unix/sysv/linux/sparc/sparc32/getcontext.S: New file.
+ * sysdeps/unix/sysv/linux/sparc/sparc32/makecontext.c: Likewise.
+ * sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S: Likewise.
+ * sysdeps/unix/sysv/linux/sparc/sparc32/swapcontext.S: Likewise.
+
+diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/Makefile
b/sysdeps/unix/sysv/linux/sparc/sparc32/Makefile
+index cd1b3fb..8f7e76b 100644
+--- a/sysdeps/unix/sysv/linux/sparc/sparc32/Makefile
++++ b/sysdeps/unix/sysv/linux/sparc/sparc32/Makefile
+@@ -2,6 +2,10 @@ asm-CPPFLAGS = -D__ASSEMBLY__
+ ASFLAGS-.os += -fPIC
+ LD += -melf32_sparc
+
++ifeq ($(subdir),stdlib)
++gen-as-const-headers += ucontext_i.sym
++endif
++
+ # When I get this to work, this is the right thing
+ ifeq ($(subdir),elf)
+ CFLAGS-rtld.c += -mcpu=v8
+diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/getcontext.S
b/sysdeps/unix/sysv/linux/sparc/sparc32/getcontext.S
+new file mode 100644
+index 0000000..f8664a7
+--- /dev/null
++++ b/sysdeps/unix/sysv/linux/sparc/sparc32/getcontext.S
+@@ -0,0 +1,85 @@
++/* Save current context.
++ Copyright (C) 2008 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++ Contributed by David S. Miller <[EMAIL PROTECTED]>, 2008.
++
++ 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, Inc., 59 Temple Place, Suite 330, Boston, MA
++ 02111-1307 USA. */
++
++#include <sysdep.h>
++
++#include "ucontext_i.h"
++
++/* int __getcontext (ucontext_t *ucp)
++
++ Saves the machine context in UCP such that when it is activated,
++ it appears as if __getcontext() returned again.
++
++ This implementation is intended to be used for *synchronous* context
++ switches only. Therefore, it does not have to save anything
++ other than the PRESERVED state. */
++
++
++ENTRY(__getcontext)
++ save %sp, -112, %sp
++ st %g0, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_PSR]
++
++ /* In reality, we only use the GREG_PC value when setting
++ or swapping contexts. But we fill in NPC for completeness. */
++ add %i7, 8, %o0
++ st %o0, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_PC]
++ add %o0, 4, %o0
++ st %o0, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_NPC]
++
++ rd %y, %o1
++ st %o1, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_Y]
++
++ st %g1, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G1]
++ st %g2, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G2]
++ st %g3, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G3]
++ st %g4, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G4]
++ st %g5, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G5]
++ st %g6, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G6]
++ st %g7, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G7]
++
++ mov SIG_BLOCK, %o0
++ clr %o1
++ add %i0, UC_SIGMASK, %o2
++ mov 8, %o3
++ mov __NR_rt_sigprocmask, %g1
++ ta 0x10
++
++ /* Zero, success, return value. */
++ st %g0, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O0]
++ st %i1, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O1]
++ st %i2, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O2]
++ st %i3, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O3]
++ st %i4, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O4]
++ st %i5, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O5]
++ st %i6, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O6]
++ st %i7, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O7]
++
++ st %g0, [%i0 + UC_MCONTEXT + MC_GWINS]
++
++ /* Do not save FPU state, it is volatile across calls. */
++ stb %g0, [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_EN]
++
++ st %g0, [%i0 + UC_MCONTEXT + MC_XRS + XRS_ID]
++ st %g0, [%i0 + UC_MCONTEXT + MC_XRS + XRS_PTR]
++ jmpl %i7 + 8, %g0
++ restore %g0, %g0, %o0
++END(__getcontext)
++
++weak_alias (__getcontext, getcontext)
+diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/makecontext.c
b/sysdeps/unix/sysv/linux/sparc/sparc32/makecontext.c
+new file mode 100644
+index 0000000..9b48dad
+--- /dev/null
++++ b/sysdeps/unix/sysv/linux/sparc/sparc32/makecontext.c
+@@ -0,0 +1,93 @@
++/* Create new context.
++ Copyright (C) 2008 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++ Contributed by David S. Miller <[EMAIL PROTECTED]>, 2008.
++
++ 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, Inc., 59 Temple Place, Suite 330, Boston, MA
++ 02111-1307 USA. */
++
++#include <sysdep.h>
++#include <stdarg.h>
++#include <stdint.h>
++#include <ucontext.h>
++
++/* Sets up the outgoing arguments and the program counter for a user
++ context for the requested function call.
++
++ Returning to the correct parent context is pretty simple on
++ Sparc. We only need to link up the register windows correctly.
++ Since global registers are clobbered by calls, we need not be
++ concernred about those, and thus is all could be worked out without
++ using a trampoline.
++
++ Except that we must deal with the signal mask, thus a trampoline
++ is unavoidable. 32-bit stackframe layout:
++ +-----------------------------------------+
++ | 7th and further parameters |
++ +-----------------------------------------+
++ | backup storage for initial 6 parameters |
++ +-----------------------------------------+
++ | struct return pointer |
++ +-----------------------------------------+
++ | 8 incoming registers |
++ +-----------------------------------------+
++ | 8 local registers |
++ %sp --> +-----------------------------------------+
++
++*/
++
++void
++__makecontext (ucontext_t *ucp, void (*func) (void), int argc, ...)
++{
++ extern void __start_context (void);
++ unsigned long int *sp;
++ va_list ap;
++ int i;
++
++ sp = (unsigned long int *) (ucp->uc_stack.ss_sp + ucp->uc_stack.ss_size);
++ sp -= 16 + 7 + argc;
++ sp = (unsigned long int *) (((uintptr_t) sp) & ~(8 - 1));
++
++ for (i = 0; i < 8; i++)
++ sp[i + 8] = ucp->uc_mcontext.gregs[REG_O0 + i];
++
++ /* The struct return pointer is essentially unused, so we can
++ place the link there. */
++ sp[16] = (unsigned long int) ucp->uc_link;
++
++ va_start (ap, argc);
++
++ /* Fill in outgoing arguments, including those which will
++ end up being passed on the stack. */
++ for (i = 0; i < argc; i++)
++ {
++ unsigned long int arg = va_arg (ap, unsigned long int);
++ if (i < 6)
++ ucp->uc_mcontext.gregs[REG_O0 + i] = arg;
++ else
++ sp[i + 23] = arg;
++ }
++
++ va_end (ap);
++
++ ucp->uc_mcontext.gregs[REG_O6] = (unsigned long int) sp;
++
++ ucp->uc_mcontext.gregs[REG_O7] = ((unsigned long int) __start_context) - 8;
++
++ ucp->uc_mcontext.gregs[REG_PC] = (unsigned long int) func;
++ ucp->uc_mcontext.gregs[REG_nPC] = ucp->uc_mcontext.gregs[REG_PC] + 4;
++}
++
++weak_alias (__makecontext, makecontext)
+diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S
b/sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S
+new file mode 100644
+index 0000000..33e40ac
+--- /dev/null
++++ b/sysdeps/unix/sysv/linux/sparc/sparc32/setcontext.S
+@@ -0,0 +1,119 @@
++/* Install given context.
++ Copyright (C) 2008 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++ Contributed by David S. Miller <[EMAIL PROTECTED]>, 2008.
++
++ 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, Inc., 59 Temple Place, Suite 330, Boston, MA
++ 02111-1307 USA. */
++
++#include <sysdep.h>
++#include <sys/trap.h>
++
++#include "ucontext_i.h"
++
++
++/* int __setcontext (const ucontext_t *ucp)
++
++ Restores the machine context in UCP and thereby resumes execution
++ in that context.
++
++ This implementation is intended to be used for *synchronous* context
++ switches only. Therefore, it does not have to restore anything
++ other than the PRESERVED state. */
++
++ENTRY(__setcontext)
++ save %sp, -112, %sp
++
++ mov SIG_SETMASK, %o0
++ add %i0, UC_SIGMASK, %o1
++ clr %o2
++ mov 8, %o3
++ mov __NR_rt_sigprocmask, %g1
++ ta 0x10
++
++ /* This is a bit on the expensive side, and we could optimize
++ the unwind similar to how the 32-bit sparc longjmp code
++ does if performance of this routine really matters. */
++ ta ST_FLUSH_WINDOWS
++
++ ldub [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_EN], %g1
++ cmp %g1, 0
++ be 1f
++ nop
++ ld [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_FSR], %fsr
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D0], %f0
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D2], %f2
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D4], %f4
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D6], %f6
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D8], %f8
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D10], %f10
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D12], %f12
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D14], %f14
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D16], %f16
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D18], %f18
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D20], %f20
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D22], %f22
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D24], %f24
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D26], %f26
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D28], %f28
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D30], %f30
++1:
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_Y], %g1
++ wr %g1, 0x0, %y
++
++ /* We specifically do not restore %g1 since we need it here as
++ a temporary. */
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G2], %g2
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G3], %g3
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G4], %g4
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G5], %g5
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G6], %g6
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G7], %g7
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O1], %i1
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O2], %i2
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O3], %i3
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O4], %i4
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O5], %i5
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O6], %i6
++ restore
++ ld [%o0 + UC_MCONTEXT + MC_GREGS + GREG_O7], %o7
++ ld [%o0 + UC_MCONTEXT + MC_GREGS + GREG_PC], %g1
++ jmpl %g1, %g0
++ ld [%o0 + UC_MCONTEXT + MC_GREGS + GREG_O0], %o0
++END(__setcontext)
++
++weak_alias (__setcontext, setcontext)
++
++/* This is the helper code which gets called if a function which is
++ registered with 'makecontext' returns. In this case we have to
++ install the context listed in the uc_link element of the context
++ 'makecontext' manipulated at the time of the 'makecontext' call.
++ If the pointer is NULL the process must terminate. */
++
++ENTRY(__start_context)
++ ld [%sp + (16 * 4)], %g1
++ cmp %g1, 0
++ be,a 1f
++ clr %o0
++ call __setcontext
++ mov %g1, %o0
++ /* If this returns (which can happen if the syscall fails) we'll
++ exit the program with the return error value (-1). */
++1: call exit
++ nop
++ /* The 'exit' call should never return. In case it does cause
++ the process to terminate. */
++ unimp
++END(__start_context)
+diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/swapcontext.S
b/sysdeps/unix/sysv/linux/sparc/sparc32/swapcontext.S
+new file mode 100644
+index 0000000..1547466
+--- /dev/null
++++ b/sysdeps/unix/sysv/linux/sparc/sparc32/swapcontext.S
+@@ -0,0 +1,119 @@
++/* Save current context and install the given one.
++ Copyright (C) 2008 Free Software Foundation, Inc.
++ This file is part of the GNU C Library.
++ Contributed by David S. Miller <[EMAIL PROTECTED]>, 2008.
++
++ 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, Inc., 59 Temple Place, Suite 330, Boston, MA
++ 02111-1307 USA. */
++
++#include <sysdep.h>
++#include <sys/trap.h>
++
++#include "ucontext_i.h"
++
++
++/* int __swapcontext (ucontext_t *oucp, const ucontext_t *ucp);
++
++ Saves the machine context in oucp such that when it is activated,
++ it appears as if __swapcontext() returned again, restores the
++ machine context in ucp and thereby resumes execution in that
++ context.
++
++ This implementation is intended to be used for *synchronous* context
++ switches only. Therefore, it does not have to save anything
++ other than the PRESERVED state. */
++
++ENTRY(__swapcontext)
++ save %sp, -112, %sp
++ ta ST_FLUSH_WINDOWS
++ st %g0, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_PSR]
++ add %i7, 8, %o0
++ st %o0, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_PC]
++ add %o0, 4, %o0
++ st %o0, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_NPC]
++ rd %y, %o1
++ st %o1, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_Y]
++ st %g1, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G1]
++ st %g2, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G2]
++ st %g3, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G3]
++ st %g4, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G4]
++ st %g5, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G5]
++ st %g6, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G6]
++ st %g7, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G7]
++ st %g0, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O0]
++ st %i1, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O1]
++ st %i2, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O2]
++ st %i3, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O3]
++ st %i4, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O4]
++ st %i5, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O5]
++ st %i6, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O6]
++ st %i7, [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O7]
++ st %g0, [%i0 + UC_MCONTEXT + MC_GWINS]
++ stb %g0, [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_EN]
++ st %g0, [%i0 + UC_MCONTEXT + MC_XRS + XRS_ID]
++ st %g0, [%i0 + UC_MCONTEXT + MC_XRS + XRS_PTR]
++
++ mov SIG_SETMASK, %o0
++ add %i1, UC_SIGMASK, %o1
++ add %i0, UC_SIGMASK, %o2
++ mov 8, %o3
++ mov __NR_rt_sigprocmask, %g1
++ ta 0x10
++
++ mov %i1, %i0
++ ldub [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_EN], %g1
++ cmp %g1, 0
++ be 1f
++ nop
++ ld [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_FSR], %fsr
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D0], %f0
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D2], %f2
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D4], %f4
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D6], %f6
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D8], %f8
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D10], %f10
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D12], %f12
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D14], %f14
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D16], %f16
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D18], %f18
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D20], %f20
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D22], %f22
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D24], %f24
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D26], %f26
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D28], %f28
++ ldd [%i0 + UC_MCONTEXT + MC_FPREGS + FPU_D30], %f30
++1:
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_Y], %g1
++ wr %g1, 0x0, %y
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G2], %g2
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G3], %g3
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G4], %g4
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G5], %g5
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G6], %g6
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_G7], %g7
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O1], %i1
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O2], %i2
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O3], %i3
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O4], %i4
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O5], %i5
++ ld [%i0 + UC_MCONTEXT + MC_GREGS + GREG_O6], %i6
++ restore
++ ld [%o0 + UC_MCONTEXT + MC_GREGS + GREG_O7], %o7
++ ld [%o0 + UC_MCONTEXT + MC_GREGS + GREG_PC], %g1
++ jmpl %g1, %g0
++ ld [%o0 + UC_MCONTEXT + MC_GREGS + GREG_O0], %o0
++END(__swapcontext)
++
++weak_alias (__swapcontext, swapcontext)
+diff --git a/sysdeps/unix/sysv/linux/sparc/sparc32/ucontext_i.sym
b/sysdeps/unix/sysv/linux/sparc/sparc32/ucontext_i.sym
+new file mode 100644
+index 0000000..544030c
+--- /dev/null
++++ b/sysdeps/unix/sysv/linux/sparc/sparc32/ucontext_i.sym
+@@ -0,0 +1,61 @@
++#include <stddef.h>
++#include <signal.h>
++#include <sys/ucontext.h>
++
++--
++
++SIG_BLOCK
++SIG_SETMASK
++
++UC_FLAGS offsetof (ucontext_t, uc_flags)
++UC_LINK offsetof (ucontext_t, uc_link)
++UC_SIGMASK offsetof (ucontext_t, uc_sigmask)
++UC_STACK offsetof (ucontext_t, uc_stack)
++UC_MCONTEXT offsetof (ucontext_t, uc_mcontext)
++MC_GREGS offsetof (mcontext_t, gregs)
++MC_GWINS offsetof (mcontext_t, gwins)
++MC_FPREGS offsetof (mcontext_t, fpregs)
++MC_XRS offsetof (mcontext_t, xrs)
++MC_FILLER offsetof (mcontext_t, filler)
++GREG_PSR (REG_PSR * sizeof(greg_t))
++GREG_PC (REG_PC * sizeof(greg_t))
++GREG_NPC (REG_nPC * sizeof(greg_t))
++GREG_Y (REG_Y * sizeof(greg_t))
++GREG_G1 (REG_G1 * sizeof(greg_t))
++GREG_G2 (REG_G2 * sizeof(greg_t))
++GREG_G3 (REG_G3 * sizeof(greg_t))
++GREG_G4 (REG_G4 * sizeof(greg_t))
++GREG_G5 (REG_G5 * sizeof(greg_t))
++GREG_G6 (REG_G6 * sizeof(greg_t))
++GREG_G7 (REG_G7 * sizeof(greg_t))
++GREG_O0 (REG_O0 * sizeof(greg_t))
++GREG_O1 (REG_O1 * sizeof(greg_t))
++GREG_O2 (REG_O2 * sizeof(greg_t))
++GREG_O3 (REG_O3 * sizeof(greg_t))
++GREG_O4 (REG_O4 * sizeof(greg_t))
++GREG_O5 (REG_O5 * sizeof(greg_t))
++GREG_O6 (REG_O6 * sizeof(greg_t))
++GREG_O7 (REG_O7 * sizeof(greg_t))
++FPU_D0 offsetof (fpregset_t, fpu_fr.fpu_dregs[0])
++FPU_D2 offsetof (fpregset_t, fpu_fr.fpu_dregs[1])
++FPU_D4 offsetof (fpregset_t, fpu_fr.fpu_dregs[2])
++FPU_D6 offsetof (fpregset_t, fpu_fr.fpu_dregs[3])
++FPU_D8 offsetof (fpregset_t, fpu_fr.fpu_dregs[4])
++FPU_D10 offsetof (fpregset_t, fpu_fr.fpu_dregs[5])
++FPU_D12 offsetof (fpregset_t, fpu_fr.fpu_dregs[6])
++FPU_D14 offsetof (fpregset_t, fpu_fr.fpu_dregs[7])
++FPU_D16 offsetof (fpregset_t, fpu_fr.fpu_dregs[8])
++FPU_D18 offsetof (fpregset_t, fpu_fr.fpu_dregs[9])
++FPU_D20 offsetof (fpregset_t, fpu_fr.fpu_dregs[10])
++FPU_D22 offsetof (fpregset_t, fpu_fr.fpu_dregs[11])
++FPU_D24 offsetof (fpregset_t, fpu_fr.fpu_dregs[12])
++FPU_D26 offsetof (fpregset_t, fpu_fr.fpu_dregs[13])
++FPU_D28 offsetof (fpregset_t, fpu_fr.fpu_dregs[14])
++FPU_D30 offsetof (fpregset_t, fpu_fr.fpu_dregs[15])
++FPU_Q offsetof (fpregset_t, fpu_q)
++FPU_FSR offsetof (fpregset_t, fpu_fsr)
++FPU_QCNT offsetof (fpregset_t, fpu_qcnt)
++FPU_Q_ENTRY_SZ offsetof (fpregset_t, fpu_q_entrysize)
++FPU_EN offsetof (fpregset_t, fpu_en)
++XRS_ID offsetof (xrs_t, xrs_id)
++XRS_PTR offsetof (xrs_t, xrs_ptr)
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