[BZ #3225] cvs/fedora-glibc-20060923T0946

2006-09-21  Jakub Jelinek  <jakub@redhat.com>
	[BZ #3225]
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h (PTR_MANGLE3,
	PTR_DEMANGLE3): Define.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h (PTR_MANGLE3,
	PTR_DEMANGLE3): Likewise.
	* sysdeps/powerpc/powerpc32/__longjmp-common.S (__longjmp): Use them.
	* sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S (__longjmp):
	Likewise.
	* sysdeps/powerpc/powerpc64/__longjmp-common.S (__longjmp): Likewise.

5 files changed, 25 insertions, 7 deletions

diff --git a/sysdeps/powerpc/powerpc32/__longjmp-common.S b/sysdeps/powerpc/powerpc32/__longjmp-common.S
index 411b6a20cb..2093b7e337 100644
--- a/sysdeps/powerpc/powerpc32/__longjmp-common.S
+++ b/sysdeps/powerpc/powerpc32/__longjmp-common.S
@@ -31,7 +31,11 @@
 ENTRY (BP_SYM (__longjmp))
 	CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
 
+#ifdef PTR_DEMANGLE
+	lwz r24,(JB_GPR1*4)(r3)
+#else
 	lwz r1,(JB_GPR1*4)(r3)
+#endif
 	lwz r0,(JB_LR*4)(r3)
 	lwz r14,((JB_GPRS+0)*4)(r3)
 	lwz r15,((JB_GPRS+1)*4)(r3)
@@ -41,8 +45,8 @@ ENTRY (BP_SYM (__longjmp))
 	lwz r19,((JB_GPRS+5)*4)(r3)
 	lwz r20,((JB_GPRS+6)*4)(r3)
 #ifdef PTR_DEMANGLE
-	PTR_DEMANGLE (r0, r25)
-	PTR_DEMANGLE2 (r1, r25)
+	PTR_DEMANGLE3 (r1, r24, r25)
+	PTR_DEMANGLE2 (r0, r25)
 #endif
 	mtlr r0
 	lwz r21,((JB_GPRS+7)*4)(r3)
diff --git a/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S b/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S
index aa24b059d1..404f403855 100644
--- a/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S
+++ b/sysdeps/powerpc/powerpc32/fpu/__longjmp-common.S
@@ -114,7 +114,11 @@ aligned_restore_vmx:
 	lvx	v31,0,r6
 L(no_vmx):
 #endif
+#ifdef PTR_DEMANGLE
+	lwz r24,(JB_GPR1*4)(r3)
+#else
 	lwz r1,(JB_GPR1*4)(r3)
+#endif
 	lwz r0,(JB_LR*4)(r3)
 	lwz r14,((JB_GPRS+0)*4)(r3)
 	lfd fp14,((JB_FPRS+0*2)*4)(r3)
@@ -131,8 +135,8 @@ L(no_vmx):
 	lwz r20,((JB_GPRS+6)*4)(r3)
 	lfd fp20,((JB_FPRS+6*2)*4)(r3)
 #ifdef PTR_DEMANGLE
-	PTR_DEMANGLE (r0, r25)
-	PTR_DEMANGLE2 (r1, r25)
+	PTR_DEMANGLE3 (r1, r24, r25)
+	PTR_DEMANGLE2 (r0, r25)
 #endif
 	mtlr r0
 	lwz r21,((JB_GPRS+7)*4)(r3)
diff --git a/sysdeps/powerpc/powerpc64/__longjmp-common.S b/sysdeps/powerpc/powerpc64/__longjmp-common.S
index 31b1af34f9..700a2a543c 100644
--- a/sysdeps/powerpc/powerpc64/__longjmp-common.S
+++ b/sysdeps/powerpc/powerpc64/__longjmp-common.S
@@ -108,9 +108,11 @@ aligned_restore_vmx:
 	lvx	v31,0,r6
 L(no_vmx):
 #endif
-	ld r1,(JB_GPR1*8)(r3)
 #ifdef PTR_DEMANGLE
-	PTR_DEMANGLE (r1, r25)
+	ld r22,(JB_GPR1*8)(r3)
+	PTR_DEMANGLE3 (r1, r22, r25)
+#else
+	ld r1,(JB_GPR1*8)(r3)
 #endif
 	ld r2,(JB_GPR2*8)(r3)
 	ld r0,(JB_LR*8)(r3)
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
index 470da5aa6e..c42efbabdd 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc32/sysdep.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 1992,1997-2003,2004,2005 Free Software Foundation, Inc.
+/* Copyright (C) 1992,1997-2003,2004,2005,2006 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
@@ -285,8 +285,12 @@
 	xor	reg,tmpreg,reg
 #  define PTR_MANGLE2(reg, tmpreg) \
 	xor	reg,tmpreg,reg
+#  define PTR_MANGLE3(destreg, reg, tmpreg) \
+	lwz	tmpreg,POINTER_GUARD(r2); \
+	xor	destreg,tmpreg,reg
 #  define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg)
 #  define PTR_DEMANGLE2(reg, tmpreg) PTR_MANGLE2 (reg, tmpreg)
+#  define PTR_DEMANGLE3(destreg, reg, tmpreg) PTR_MANGLE3 (destreg, reg, tmpreg)
 # else
 #  define PTR_MANGLE(var) \
   (var) = (__typeof (var)) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ())
diff --git a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
index fd67f56983..aab4b721c0 100644
--- a/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
+++ b/sysdeps/unix/sysv/linux/powerpc/powerpc64/sysdep.h
@@ -299,8 +299,12 @@
 	xor	reg,tmpreg,reg
 #  define PTR_MANGLE2(reg, tmpreg) \
 	xor	reg,tmpreg,reg
+#  define PTR_MANGLE3(destreg, reg, tmpreg) \
+	ld	tmpreg,POINTER_GUARD(r13); \
+	xor	destreg,tmpreg,reg
 #  define PTR_DEMANGLE(reg, tmpreg) PTR_MANGLE (reg, tmpreg)
 #  define PTR_DEMANGLE2(reg, tmpreg) PTR_MANGLE2 (reg, tmpreg)
+#  define PTR_DEMANGLE3(destreg, reg, tmpreg) PTR_MANGLE3 (destreg, reg, tmpreg)
 # else
 #  define PTR_MANGLE(var) \
   (var) = (__typeof (var)) ((uintptr_t) (var) ^ THREAD_GET_POINTER_GUARD ())