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-rw-r--r--sysdeps/powerpc/powerpc64/__longjmp-common.S153
1 files changed, 153 insertions, 0 deletions
diff --git a/sysdeps/powerpc/powerpc64/__longjmp-common.S b/sysdeps/powerpc/powerpc64/__longjmp-common.S
new file mode 100644
index 0000000000..df316234d9
--- /dev/null
+++ b/sysdeps/powerpc/powerpc64/__longjmp-common.S
@@ -0,0 +1,153 @@
+/* longjmp for PowerPC64.
+   Copyright (C) 1995, 1996, 1997, 1999, 2000, 2001, 2002, 2003, 2004
+   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
+   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>
+#define _ASM
+#define _SETJMP_H
+#ifdef __NO_VMX__
+# include <novmxsetjmp.h>
+#else
+# include <bits/setjmp.h>
+#endif
+#include <bp-sym.h>
+#include <bp-asm.h>
+
+#ifndef __NO_VMX__
+	.section	".toc","aw"
+.LC__dl_hwcap:
+#ifdef SHARED
+	.tc _rtld_global[TC],_rtld_global
+#else
+	.tc _dl_hwcap[TC],_dl_hwcap
+#endif
+	.section ".text"
+#endif
+
+ENTRY (BP_SYM (__longjmp))
+	CHECK_BOUNDS_BOTH_WIDE_LIT (r3, r8, r9, JB_SIZE)
+#ifndef __NO_VMX__
+	ld    r5,.LC__dl_hwcap@toc(r2)
+#ifdef SHARED
+	/* Load _rtld-global._dl_hwcap.  */
+	ld    r5,RTLD_GLOBAL_DL_HWCAP_OFFSET(r5)
+#else
+	ld    r5,0(r5) /* Load extern _dl_hwcap.  */
+#endif
+	andis.  r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16)
+	beq	no_vmx
+	la	r5,((JB_VRS)*8)(3)
+	andi.	r6,r5,0xf
+	lwz	r0,((JB_VRSAVE)*8)(3)
+	mtspr	VRSAVE,r0
+	beq+	aligned_restore_vmx
+	addi    r6,r5,16
+	lvsl	v0,0,r5
+	lvx	v1,0,r5
+	addi    r5,r5,32
+	lvx	v21,0,r6
+	vperm   v20,v1,v21,v0
+#define load_misaligned_vmx_lo_loaded(loadvr,lovr,shiftvr,loadgpr,addgpr) \
+	addi    addgpr,addgpr,32; \
+	lvx	lovr,0,loadgpr; \
+	vperm   loadvr,loadvr,lovr,shiftvr;
+	load_misaligned_vmx_lo_loaded(v21,v22,v0,r5,r6)
+	load_misaligned_vmx_lo_loaded(v22,v23,v0,r6,r5)
+	load_misaligned_vmx_lo_loaded(v23,v24,v0,r5,r6)
+	load_misaligned_vmx_lo_loaded(v24,v25,v0,r6,r5)
+	load_misaligned_vmx_lo_loaded(v25,v26,v0,r5,r6)
+	load_misaligned_vmx_lo_loaded(v26,v27,v0,r6,r5)
+	load_misaligned_vmx_lo_loaded(v27,v28,v0,r5,r6)
+	load_misaligned_vmx_lo_loaded(v28,v29,v0,r6,r5)
+	load_misaligned_vmx_lo_loaded(v29,v30,v0,r5,r6)
+	load_misaligned_vmx_lo_loaded(v30,v31,v0,r6,r5)
+	lvx	v1,0,r5
+	vperm   v31,v31,v1,v0
+	b       no_vmx
+aligned_restore_vmx:
+	addi	r6,r5,16
+	lvx	v20,0,r5
+	addi	r5,r5,32
+	lvx	v21,0,r6
+	addi	r6,r6,32
+	lvx	v22,0,r5
+	addi	r5,r5,32
+	lvx	v23,0,r6
+	addi	r6,r6,32
+	lvx	v24,0,r5
+	addi	r5,r5,32
+	lvx	v25,0,r6
+	addi	r6,r6,32
+	lvx	v26,0,r5
+	addi	r5,r5,32
+	lvx	v27,0,r6
+	addi	r6,r6,32
+	lvx	v28,0,r5
+	addi	r5,r5,32
+	lvx	v29,0,r6
+	addi	r6,r6,32
+	lvx	v30,0,r5
+	lvx	v31,0,r6
+no_vmx:
+#endif
+	ld r1,(JB_GPR1*8)(r3)
+	ld r2,(JB_GPR2*8)(r3)
+	ld r0,(JB_LR*8)(r3)
+	ld r14,((JB_GPRS+0)*8)(r3)
+	lfd fp14,((JB_FPRS+0)*8)(r3)
+	ld r15,((JB_GPRS+1)*8)(r3)
+	lfd fp15,((JB_FPRS+1)*8)(r3)
+	ld r16,((JB_GPRS+2)*8)(r3)
+	lfd fp16,((JB_FPRS+2)*8)(r3)
+	ld r17,((JB_GPRS+3)*8)(r3)
+	lfd fp17,((JB_FPRS+3)*8)(r3)
+	ld r18,((JB_GPRS+4)*8)(r3)
+	lfd fp18,((JB_FPRS+4)*8)(r3)
+	ld r19,((JB_GPRS+5)*8)(r3)
+	lfd fp19,((JB_FPRS+5)*8)(r3)
+	ld r20,((JB_GPRS+6)*8)(r3)
+	lfd fp20,((JB_FPRS+6)*8)(r3)
+	mtlr r0
+	ld r21,((JB_GPRS+7)*8)(r3)
+	lfd fp21,((JB_FPRS+7)*8)(r3)
+	ld r22,((JB_GPRS+8)*8)(r3)
+	lfd fp22,((JB_FPRS+8)*8)(r3)
+	ld r0,(JB_CR*8)(r3)
+	ld r23,((JB_GPRS+9)*8)(r3)
+	lfd fp23,((JB_FPRS+9)*8)(r3)
+	ld r24,((JB_GPRS+10)*8)(r3)
+	lfd fp24,((JB_FPRS+10)*8)(r3)
+	ld r25,((JB_GPRS+11)*8)(r3)
+	lfd fp25,((JB_FPRS+11)*8)(r3)
+	mtcrf 0xFF,r0
+	ld r26,((JB_GPRS+12)*8)(r3)
+	lfd fp26,((JB_FPRS+12)*8)(r3)
+	ld r27,((JB_GPRS+13)*8)(r3)
+	lfd fp27,((JB_FPRS+13)*8)(r3)
+	ld r28,((JB_GPRS+14)*8)(r3)
+	lfd fp28,((JB_FPRS+14)*8)(r3)
+	ld r29,((JB_GPRS+15)*8)(r3)
+	lfd fp29,((JB_FPRS+15)*8)(r3)
+	ld r30,((JB_GPRS+16)*8)(r3)
+	lfd fp30,((JB_FPRS+16)*8)(r3)
+	ld r31,((JB_GPRS+17)*8)(r3)
+	lfd fp31,((JB_FPRS+17)*8)(r3)
+	mr r3,r4
+	blr
+END (BP_SYM (__longjmp))