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Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/dump_context.h')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/dump_context.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/dump_context.h b/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/dump_context.h new file mode 100644 index 000000000..df80bf7ef --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/google_breakpad/processor/dump_context.h @@ -0,0 +1,116 @@ +// Copyright (c) 2014 Google Inc. +// All rights reserved. +// +// Redistribution and use in source and binary forms, with or without +// modification, are permitted provided that the following conditions are +// met: +// +// * Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// * Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following disclaimer +// in the documentation and/or other materials provided with the +// distribution. +// * Neither the name of Google Inc. nor the names of its +// contributors may be used to endorse or promote products derived from +// this software without specific prior written permission. +// +// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +// dump_context.h: A (mini/micro) dump CPU-specific context. + +#ifndef GOOGLE_BREAKPAD_PROCESSOR_DUMP_CONTEXT_H__ +#define GOOGLE_BREAKPAD_PROCESSOR_DUMP_CONTEXT_H__ + +#include "google_breakpad/common/minidump_format.h" +#include "google_breakpad/processor/dump_object.h" + +namespace google_breakpad { + +// DumpContext carries a CPU-specific MDRawContext structure, which contains CPU +// context such as register states. +class DumpContext : public DumpObject { + public: + virtual ~DumpContext(); + + // Returns an MD_CONTEXT_* value such as MD_CONTEXT_X86 or MD_CONTEXT_PPC + // identifying the CPU type that the context was collected from. The + // returned value will identify the CPU only, and will have any other + // MD_CONTEXT_* bits masked out. Returns 0 on failure. + uint32_t GetContextCPU() const; + + // Return the raw value of |context_flags_| + uint32_t GetContextFlags() const; + + // Returns raw CPU-specific context data for the named CPU type. If the + // context data does not match the CPU type or does not exist, returns NULL. + const MDRawContextAMD64* GetContextAMD64() const; + const MDRawContextARM* GetContextARM() const; + const MDRawContextARM64* GetContextARM64() const; + const MDRawContextMIPS* GetContextMIPS() const; + const MDRawContextPPC* GetContextPPC() const; + const MDRawContextPPC64* GetContextPPC64() const; + const MDRawContextSPARC* GetContextSPARC() const; + const MDRawContextX86* GetContextX86() const; + + // A convenience method to get the instruction pointer out of the + // MDRawContext, since it varies per-CPU architecture. + bool GetInstructionPointer(uint64_t* ip) const; + + // Similar to the GetInstructionPointer method, this method gets the stack + // pointer for all CPU architectures. + bool GetStackPointer(uint64_t* sp) const; + + // Print a human-readable representation of the object to stdout. + void Print(); + + protected: + DumpContext(); + + // Sets row CPU-specific context data for the names CPU type. + void SetContextFlags(uint32_t context_flags); + void SetContextX86(MDRawContextX86* x86); + void SetContextPPC(MDRawContextPPC* ppc); + void SetContextPPC64(MDRawContextPPC64* ppc64); + void SetContextAMD64(MDRawContextAMD64* amd64); + void SetContextSPARC(MDRawContextSPARC* ctx_sparc); + void SetContextARM(MDRawContextARM* arm); + void SetContextARM64(MDRawContextARM64* arm64); + void SetContextMIPS(MDRawContextMIPS* ctx_mips); + + // Free the CPU-specific context structure. + void FreeContext(); + + private: + // The CPU-specific context structure. + union { + MDRawContextBase* base; + MDRawContextX86* x86; + MDRawContextPPC* ppc; + MDRawContextPPC64* ppc64; + MDRawContextAMD64* amd64; + // on Solaris SPARC, sparc is defined as a numeric constant, + // so variables can NOT be named as sparc + MDRawContextSPARC* ctx_sparc; + MDRawContextARM* arm; + MDRawContextARM64* arm64; + MDRawContextMIPS* ctx_mips; + } context_; + + // Store this separately because of the weirdo AMD64 context + uint32_t context_flags_; +}; + +} // namespace google_breakpad + +#endif // GOOGLE_BREAKPAD_PROCESSOR_DUMP_CONTEXT_H__ |