blob: 47434392dfe9b1f82b3a7852e0b0ae8d47413a37 [file] [log] [blame]
Steve Blocka7e24c12009-10-30 11:49:00 +00001// Copyright 2006-2008 the V8 project authors. All rights reserved.
2// Redistribution and use in source and binary forms, with or without
3// modification, are permitted provided that the following conditions are
4// met:
5//
6// * Redistributions of source code must retain the above copyright
7// notice, this list of conditions and the following disclaimer.
8// * Redistributions in binary form must reproduce the above
9// copyright notice, this list of conditions and the following
10// disclaimer in the documentation and/or other materials provided
11// with the distribution.
12// * Neither the name of Google Inc. nor the names of its
13// contributors may be used to endorse or promote products derived
14// from this software without specific prior written permission.
15//
16// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
18// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
19// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
20// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
21// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
22// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
26// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27
28#include "v8.h"
29
Leon Clarkef7060e22010-06-03 12:02:55 +010030#if defined(V8_TARGET_ARCH_ARM)
31
Steve Blocka7e24c12009-10-30 11:49:00 +000032#include "frames-inl.h"
33#include "arm/assembler-arm-inl.h"
34
35
36namespace v8 {
37namespace internal {
38
39
Steve Blocka7e24c12009-10-30 11:49:00 +000040StackFrame::Type ExitFrame::GetStateForFramePointer(Address fp, State* state) {
41 if (fp == 0) return NONE;
42 // Compute frame type and stack pointer.
Kristian Monsen80d68ea2010-09-08 11:05:35 +010043 Address sp = fp + ExitFrameConstants::kSPOffset;
44
Steve Blocka7e24c12009-10-30 11:49:00 +000045 // Fill in the state.
46 state->sp = sp;
47 state->fp = fp;
48 state->pc_address = reinterpret_cast<Address*>(sp - 1 * kPointerSize);
Kristian Monsen80d68ea2010-09-08 11:05:35 +010049 ASSERT(*state->pc_address != NULL);
Steve Blockd0582a62009-12-15 09:54:21 +000050 return EXIT;
Steve Blocka7e24c12009-10-30 11:49:00 +000051}
52
53
Steve Blocka7e24c12009-10-30 11:49:00 +000054} } // namespace v8::internal
Leon Clarkef7060e22010-06-03 12:02:55 +010055
56#endif // V8_TARGET_ARCH_ARM