1 files changed, 183 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/powerpc32/fpu/setjmp-common.S b/REORG.TODO/sysdeps/powerpc/powerpc32/fpu/setjmp-common.S
new file mode 100644
index 0000000000..19ad07ee56
--- /dev/null
+++ b/REORG.TODO/sysdeps/powerpc/powerpc32/fpu/setjmp-common.S
@@ -0,0 +1,183 @@
+/* setjmp for PowerPC.
+   Copyright (C) 1995-2017 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, see
+   <http://www.gnu.org/licenses/>.  */
+
+#include <sysdep.h>
+#include <stap-probe.h>
+#define _ASM
+#ifdef __NO_VMX__
+# include <novmxsetjmp.h>
+#else
+# include <jmpbuf-offsets.h>
+#endif
+
+	.machine	"altivec"
+ENTRY (__sigsetjmp_symbol)
+
+#ifdef PTR_MANGLE
+	mr   r5,r1
+	PTR_MANGLE(r5, r6)
+	stw  r5,(JB_GPR1*4)(3)
+#else
+	stw  r1,(JB_GPR1*4)(3)
+#endif
+	mflr r0
+	/* setjmp probe expects longjmp first argument (4@3), second argument
+	   (-4@4), and target address (4@0), respectively.  */
+	LIBC_PROBE (setjmp, 3, 4@3, -4@4, 4@0)
+	stw  r14,((JB_GPRS+0)*4)(3)
+	stfd fp14,((JB_FPRS+0*2)*4)(3)
+#ifdef PTR_MANGLE
+	PTR_MANGLE2 (r0, r6)
+#endif
+	stw  r0,(JB_LR*4)(3)
+	stw  r15,((JB_GPRS+1)*4)(3)
+	stfd fp15,((JB_FPRS+1*2)*4)(3)
+	mfcr r0
+	stw  r16,((JB_GPRS+2)*4)(3)
+	stfd fp16,((JB_FPRS+2*2)*4)(3)
+	stw  r0,(JB_CR*4)(3)
+	stw  r17,((JB_GPRS+3)*4)(3)
+	stfd fp17,((JB_FPRS+3*2)*4)(3)
+	stw  r18,((JB_GPRS+4)*4)(3)
+	stfd fp18,((JB_FPRS+4*2)*4)(3)
+	stw  r19,((JB_GPRS+5)*4)(3)
+	stfd fp19,((JB_FPRS+5*2)*4)(3)
+	stw  r20,((JB_GPRS+6)*4)(3)
+	stfd fp20,((JB_FPRS+6*2)*4)(3)
+	stw  r21,((JB_GPRS+7)*4)(3)
+	stfd fp21,((JB_FPRS+7*2)*4)(3)
+	stw  r22,((JB_GPRS+8)*4)(3)
+	stfd fp22,((JB_FPRS+8*2)*4)(3)
+	stw  r23,((JB_GPRS+9)*4)(3)
+	stfd fp23,((JB_FPRS+9*2)*4)(3)
+	stw  r24,((JB_GPRS+10)*4)(3)
+	stfd fp24,((JB_FPRS+10*2)*4)(3)
+	stw  r25,((JB_GPRS+11)*4)(3)
+	stfd fp25,((JB_FPRS+11*2)*4)(3)
+	stw  r26,((JB_GPRS+12)*4)(3)
+	stfd fp26,((JB_FPRS+12*2)*4)(3)
+	stw  r27,((JB_GPRS+13)*4)(3)
+	stfd fp27,((JB_FPRS+13*2)*4)(3)
+	stw  r28,((JB_GPRS+14)*4)(3)
+	stfd fp28,((JB_FPRS+14*2)*4)(3)
+	stw  r29,((JB_GPRS+15)*4)(3)
+	stfd fp29,((JB_FPRS+15*2)*4)(3)
+	stw  r30,((JB_GPRS+16)*4)(3)
+	stfd fp30,((JB_FPRS+16*2)*4)(3)
+	stw  r31,((JB_GPRS+17)*4)(3)
+	stfd fp31,((JB_FPRS+17*2)*4)(3)
+#ifndef __NO_VMX__
+# ifdef PIC
+	mflr    r6
+	cfi_register(lr,r6)
+	SETUP_GOT_ACCESS(r5,got_label)
+	addis	r5,r5,_GLOBAL_OFFSET_TABLE_-got_label@ha
+	addi	r5,r5,_GLOBAL_OFFSET_TABLE_-got_label@l
+	mtlr	r6
+	cfi_same_value (lr)
+#  ifdef SHARED
+#   if IS_IN (rtld)
+	/* Inside ld.so we use the local alias to avoid runtime GOT
+	   relocations.  */
+	lwz     r5,_rtld_local_ro@got(r5)
+#   else
+	lwz     r5,_rtld_global_ro@got(r5)
+#   endif
+	lwz     r5,RTLD_GLOBAL_RO_DL_HWCAP_OFFSET+LOWORD(r5)
+#  else
+	lwz     r5,_dl_hwcap@got(r5)
+	lwz     r5,LOWORD(r5)
+#  endif
+# else
+	lis	r6,(_dl_hwcap+LOWORD)@ha
+	lwz     r5,(_dl_hwcap+LOWORD)@l(r6)
+# endif
+	andis.	r5,r5,(PPC_FEATURE_HAS_ALTIVEC >> 16)
+	beq	L(no_vmx)
+	la	r5,((JB_VRS)*4)(3)
+	andi.	r6,r5,0xf
+	mfspr	r0,VRSAVE
+	stw	r0,((JB_VRSAVE)*4)(3)
+	addi	r6,r5,16
+	beq+	L(aligned_save_vmx)
+
+	lvsr	v0,0,r5
+	lvsl	v1,0,r5
+	addi	r6,r5,-16
+
+# define save_misaligned_vmx(savevr,prevvr,shiftvr,tmpvr,savegpr,addgpr) \
+	addi	addgpr,addgpr,32;					 \
+	vperm	tmpvr,prevvr,savevr,shiftvr;				 \
+	stvx	tmpvr,0,savegpr
+
+	/*
+	 * We have to be careful not to corrupt the data below v20 and
+	 * above v31. To keep things simple we just rotate both ends in
+	 * the opposite direction to our main permute so we can use
+	 * the common macro.
+	 */
+
+	/* load and rotate data below v20 */
+	lvx	v2,0,r5
+	vperm	v2,v2,v2,v1
+	save_misaligned_vmx(v20,v2,v0,v3,r5,r6)
+	save_misaligned_vmx(v21,v20,v0,v3,r6,r5)
+	save_misaligned_vmx(v22,v21,v0,v3,r5,r6)
+	save_misaligned_vmx(v23,v22,v0,v3,r6,r5)
+	save_misaligned_vmx(v24,v23,v0,v3,r5,r6)
+	save_misaligned_vmx(v25,v24,v0,v3,r6,r5)
+	save_misaligned_vmx(v26,v25,v0,v3,r5,r6)
+	save_misaligned_vmx(v27,v26,v0,v3,r6,r5)
+	save_misaligned_vmx(v28,v27,v0,v3,r5,r6)
+	save_misaligned_vmx(v29,v28,v0,v3,r6,r5)
+	save_misaligned_vmx(v30,v29,v0,v3,r5,r6)
+	save_misaligned_vmx(v31,v30,v0,v3,r6,r5)
+	/* load and rotate data above v31 */
+	lvx	v2,0,r6
+	vperm	v2,v2,v2,v1
+	save_misaligned_vmx(v2,v31,v0,v3,r5,r6)
+
+	b	L(no_vmx)
+
+L(aligned_save_vmx):
+	stvx	20,0,r5
+	addi	r5,r5,32
+	stvx	21,0,r6
+	addi	r6,r6,32
+	stvx	22,0,r5
+	addi	r5,r5,32
+	stvx	23,0,r6
+	addi	r6,r6,32
+	stvx	24,0,r5
+	addi	r5,r5,32
+	stvx	25,0,r6
+	addi	r6,r6,32
+	stvx	26,0,r5
+	addi	r5,r5,32
+	stvx	27,0,r6
+	addi	r6,r6,32
+	stvx	28,0,r5
+	addi	r5,r5,32
+	stvx	29,0,r6
+	addi	r6,r6,32
+	stvx	30,0,r5
+	stvx	31,0,r6
+L(no_vmx):
+#endif
+	b __sigjmp_save_symbol@local
+END (__sigsetjmp_symbol)