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-rw-r--r--REORG.TODO/sysdeps/powerpc/powerpc32/__longjmp-common.S82
1 files changed, 82 insertions, 0 deletions
diff --git a/REORG.TODO/sysdeps/powerpc/powerpc32/__longjmp-common.S b/REORG.TODO/sysdeps/powerpc/powerpc32/__longjmp-common.S
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index 0000000000..4b60a2f9a8
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+++ b/REORG.TODO/sysdeps/powerpc/powerpc32/__longjmp-common.S
@@ -0,0 +1,82 @@
+/* longjmp 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
+
+#if defined __SPE__ || (defined __NO_FPRS__ && !defined _SOFT_FLOAT)
+# define LOAD_GP(N)	evldd r##N,((JB_FPRS+((N)-14)*2)*4)(r3)
+#else
+# define LOAD_GP(N)	lwz r##N,((JB_GPRS+(N)-14)*4)(r3)
+#endif
+
+ENTRY (__longjmp_symbol)
+
+#if defined PTR_DEMANGLE || defined CHECK_SP
+	lwz r24,(JB_GPR1*4)(r3)
+# ifdef CHECK_SP
+#  ifdef PTR_DEMANGLE
+	PTR_DEMANGLE3 (r24, r24, r25)
+#  endif
+	CHECK_SP (r24)
+	mr r1,r24
+# endif
+#else
+	lwz r1,(JB_GPR1*4)(r3)
+#endif
+	lwz r0,(JB_LR*4)(r3)
+	LOAD_GP (14)
+	LOAD_GP (15)
+	LOAD_GP (16)
+	LOAD_GP (17)
+	LOAD_GP (18)
+	LOAD_GP (19)
+	LOAD_GP (20)
+#ifdef PTR_DEMANGLE
+# ifndef CHECK_SP
+	PTR_DEMANGLE3 (r1, r24, r25)
+# endif
+	PTR_DEMANGLE2 (r0, r25)
+#endif
+	/* longjmp/longjmp_target probe expects longjmp first argument (4@3),
+	   second argument (-4@4), and target address (4@0), respectively.  */
+	LIBC_PROBE (longjmp, 3, 4@3, -4@4, 4@0)
+	mtlr r0
+	LOAD_GP (21)
+	LOAD_GP (22)
+	lwz r5,(JB_CR*4)(r3)
+	LOAD_GP (23)
+	LOAD_GP (24)
+	LOAD_GP (25)
+	mtcrf 0xFF,r5
+	LOAD_GP (26)
+	LOAD_GP (27)
+	LOAD_GP (28)
+	LOAD_GP (29)
+	LOAD_GP (30)
+	LOAD_GP (31)
+	LIBC_PROBE (longjmp_target, 3, 4@3, -4@4, 4@0)
+	mr r3,r4
+	blr
+END (__longjmp_symbol)