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authorRoland McGrath <roland@hack.frob.com>2015-01-05 14:01:49 -0800
committerRoland McGrath <roland@hack.frob.com>2015-01-05 15:42:16 -0800
commit46abb64d6287d09100b147d062f6810066389b7e (patch)
tree9102447cb3ce0baaf29cb4041d8bb915f1185225 /sysdeps/arm/unwind-resume.h
parent61695fb2bab724ed69057c3eff03253708f96517 (diff)
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ARM: Consolidate with generic unwinder wrapper code
Diffstat (limited to 'sysdeps/arm/unwind-resume.h')
-rw-r--r--sysdeps/arm/unwind-resume.h33
1 files changed, 33 insertions, 0 deletions
diff --git a/sysdeps/arm/unwind-resume.h b/sysdeps/arm/unwind-resume.h
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+/* Definitions for unwind-resume.c.  ARM (EABI) version.
+   Copyright (C) 2014 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; see the file COPYING.LIB.  If
+   not, see <http://www.gnu.org/licenses/>.  */
+
+/* The EABI personality routine has a different signature than the
+   canonical one.  These macros tell sysdeps/gnu/unwind*.c how to
+   define __gcc_personality_v0.  */
+#define PERSONALITY_PROTO                       \
+  (_Unwind_State state,                         \
+   struct _Unwind_Exception *ue_header,         \
+   struct _Unwind_Context *context)
+#define PERSONALITY_ARGS                        \
+  (state, ue_header, context)
+
+/* It's vitally important that _Unwind_Resume not have a stack frame; the
+   ARM unwinder relies on register state at entrance.  So we write this in
+   assembly (see arm-unwind-resume.S).  This macro tells the generic code
+   not to provide the generic C definition.  */
+#define HAVE_ARCH_UNWIND_RESUME                 1