1 | // Copyright (c) 2018, Google Inc. |
2 | // All rights reserved. |
3 | // |
4 | // Redistribution and use in source and binary forms, with or without |
5 | // modification, are permitted provided that the following conditions are |
6 | // met: |
7 | // |
8 | // * Redistributions of source code must retain the above copyright |
9 | // notice, this list of conditions and the following disclaimer. |
10 | // * Redistributions in binary form must reproduce the above |
11 | // copyright notice, this list of conditions and the following disclaimer |
12 | // in the documentation and/or other materials provided with the |
13 | // distribution. |
14 | // * Neither the name of Google Inc. nor the names of its |
15 | // contributors may be used to endorse or promote products derived from |
16 | // this software without specific prior written permission. |
17 | // |
18 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
19 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
20 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
21 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
22 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
23 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
24 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
25 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
26 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
27 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
28 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 | |
30 | #include "processor/convert_old_arm64_context.h" |
31 | |
32 | #include <string.h> |
33 | |
34 | namespace google_breakpad { |
35 | |
36 | void ConvertOldARM64Context(const MDRawContextARM64_Old& old, |
37 | MDRawContextARM64* context) { |
38 | context->context_flags = MD_CONTEXT_ARM64; |
39 | if (old.context_flags & MD_CONTEXT_ARM64_INTEGER_OLD) { |
40 | context->context_flags |= |
41 | MD_CONTEXT_ARM64_INTEGER | MD_CONTEXT_ARM64_CONTROL; |
42 | } |
43 | if (old.context_flags & MD_CONTEXT_ARM64_FLOATING_POINT_OLD) { |
44 | context->context_flags |= MD_CONTEXT_ARM64_FLOATING_POINT; |
45 | } |
46 | |
47 | context->cpsr = old.cpsr; |
48 | |
49 | static_assert(sizeof(old.iregs) == sizeof(context->iregs), |
50 | "iregs size mismatch" ); |
51 | memcpy(context->iregs, old.iregs, sizeof(context->iregs)); |
52 | |
53 | static_assert(sizeof(old.float_save.regs) == sizeof(context->float_save.regs), |
54 | "float_save.regs size mismatch" ); |
55 | memcpy(context->float_save.regs, |
56 | old.float_save.regs, |
57 | sizeof(context->float_save.regs)); |
58 | context->float_save.fpcr = old.float_save.fpcr; |
59 | context->float_save.fpsr = old.float_save.fpsr; |
60 | |
61 | memset(context->bcr, 0, sizeof(context->bcr)); |
62 | memset(context->bvr, 0, sizeof(context->bvr)); |
63 | memset(context->wcr, 0, sizeof(context->wcr)); |
64 | memset(context->wvr, 0, sizeof(context->wvr)); |
65 | } |
66 | |
67 | } // namespace google_breakpad |
68 | |