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1 // Copyright (c) 2010 The Chromium Authors. All rights reserved. | |
2 // Use of this source code is governed by a BSD-style license that can be | |
3 // found in the LICENSE file. | |
4 #ifndef CHROME_FRAME_CRASH_REPORTING_VEH_TEST_H_ | |
5 #define CHROME_FRAME_CRASH_REPORTING_VEH_TEST_H_ | |
6 | |
7 #include <windows.h> | |
8 #include "base/logging.h" | |
9 | |
10 #ifndef EXCEPTION_CHAIN_END | |
11 #define EXCEPTION_CHAIN_END ((struct _EXCEPTION_REGISTRATION_RECORD*)-1) | |
12 #if !defined(_WIN32_WINNT_WIN8) | |
13 typedef struct _EXCEPTION_REGISTRATION_RECORD { | |
14 struct _EXCEPTION_REGISTRATION_RECORD* Next; | |
15 PVOID Handler; | |
16 } EXCEPTION_REGISTRATION_RECORD; | |
17 // VEH handler flags settings. | |
18 // These are grabbed from winnt.h for PocketPC. | |
19 // Only EXCEPTION_NONCONTINUABLE in defined in "regular" winnt.h | |
20 // #define EXCEPTION_NONCONTINUABLE 0x1 // Noncontinuable exception | |
21 #define EXCEPTION_UNWINDING 0x2 // Unwind is in progress | |
22 #define EXCEPTION_EXIT_UNWIND 0x4 // Exit unwind is in progress | |
23 #define EXCEPTION_STACK_INVALID 0x8 // Stack out of limits or unaligned | |
24 #define EXCEPTION_NESTED_CALL 0x10 // Nested exception handler call | |
25 #define EXCEPTION_TARGET_UNWIND 0x20 // Target unwind in progress | |
26 #define EXCEPTION_COLLIDED_UNWIND 0x40 // Collided exception handler call | |
27 | |
28 #define EXCEPTION_UNWIND (EXCEPTION_UNWINDING | EXCEPTION_EXIT_UNWIND | \ | |
29 EXCEPTION_TARGET_UNWIND | EXCEPTION_COLLIDED_UNWIND) | |
30 | |
31 #define IS_UNWINDING(Flag) (((Flag) & EXCEPTION_UNWIND) != 0) | |
32 #define IS_DISPATCHING(Flag) (((Flag) & EXCEPTION_UNWIND) == 0) | |
33 #define IS_TARGET_UNWIND(Flag) ((Flag) & EXCEPTION_TARGET_UNWIND) | |
34 #endif // !defined(_WIN32_WINNT_WIN8) | |
35 #endif // EXCEPTION_CHAIN_END | |
36 | |
37 class ExceptionInfo : public _EXCEPTION_POINTERS { | |
38 public: | |
39 ExceptionInfo() { | |
40 Clear(); | |
41 } | |
42 | |
43 ExceptionInfo(DWORD code, void* address) { | |
44 Clear(); | |
45 Set(code, address, 0); | |
46 } | |
47 | |
48 void Set(DWORD code, void* address, DWORD flags) { | |
49 er_.ExceptionCode = code; | |
50 er_.ExceptionAddress = address; | |
51 er_.ExceptionFlags = flags; | |
52 ctx_.Eip = reinterpret_cast<DWORD>(address); | |
53 } | |
54 | |
55 EXCEPTION_RECORD er_; | |
56 CONTEXT ctx_; | |
57 private: | |
58 void Clear() { | |
59 ExceptionRecord = &er_; | |
60 ContextRecord = &ctx_; | |
61 ZeroMemory(&er_, sizeof(er_)); | |
62 ZeroMemory(&ctx_, sizeof(ctx_)); | |
63 } | |
64 }; | |
65 | |
66 struct SEHChain { | |
67 SEHChain(const void* p, ...) { | |
68 va_list vl; | |
69 va_start(vl, p); | |
70 int i = 0; | |
71 for (; p; ++i) { | |
72 CHECK(i + 1 < arraysize(chain_)); | |
73 chain_[i].Handler = | |
74 reinterpret_cast<PEXCEPTION_ROUTINE>(const_cast<void*>(p)); | |
75 chain_[i].Next = &chain_[i + 1]; | |
76 p = va_arg(vl, const void*); | |
77 } | |
78 | |
79 chain_[i].Next = EXCEPTION_CHAIN_END; | |
80 } | |
81 | |
82 EXCEPTION_REGISTRATION_RECORD chain_[25]; | |
83 }; | |
84 | |
85 struct StackHelper { | |
86 StackHelper(const void* p, ...) { | |
87 va_list vl; | |
88 va_start(vl, p); | |
89 count_ = 0; | |
90 for (; p; ++count_) { | |
91 CHECK(count_ < arraysize(stack_)); | |
92 stack_[count_] = p; | |
93 p = va_arg(vl, const void*); | |
94 } | |
95 } | |
96 const void* stack_[64]; | |
97 WORD count_; | |
98 }; | |
99 | |
100 #endif // CHROME_FRAME_CRASH_REPORTING_VEH_TEST_H_ | |
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