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Add ppc support to minidump reader (#27). r=bryner.

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- Uses new MDRawContextPPC structure from #25.
 - Interface change: (MinidumpContext).context() replaced with
   GetContextCPU to determine CPU type and GetContextX86/GetContextPPC to
   get CPU-specific context.

http://groups.google.com/group/airbag-dev/browse_thread/thread/f6c2e9cab2832b4c


git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@33 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
mmentovai 2006-09-22 01:10:25 +00:00
parent b934bb974a
commit 3402cae5e5
5 changed files with 415 additions and 118 deletions
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34
src/processor/minidump.h
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@ -163,7 +163,19 @@ class MinidumpStream : public MinidumpObject {
// user wants).
class MinidumpContext : public MinidumpStream {
public:
const MDRawContextX86* context() const { return valid_ ? &context_ : NULL; }
~MinidumpContext();
// 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.
u_int32_t GetContextCPU() 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 MDRawContextX86* GetContextX86() const;
const MDRawContextPPC* GetContextPPC() const;
// Print a human-readable representation of the object to stdout.
void Print();
@ -176,10 +188,22 @@ class MinidumpContext : public MinidumpStream {
bool Read(u_int32_t expected_size);
// TODO(mmentovai): This is x86-only for now. When other CPUs are
// supported, this class can move to MinidumpContext_x86 and derive from
// a new abstract MinidumpContext.
MDRawContextX86 context_;
// Free the CPU-specific context structure.
void FreeContext();
// If the minidump contains a SYSTEM_INFO_STREAM, makes sure that the
// system info stream gives an appropriate CPU type matching the context
// CPU type in context_cpu_type. Returns false if the CPU type does not
// match. Returns true if the CPU type matches or if the minidump does
// not contain a system info stream.
bool CheckAgainstSystemInfo(u_int32_t context_cpu_type);
// The CPU-specific context structure.
union {
MDRawContextBase* base;
MDRawContextX86* x86;
MDRawContextPPC* ppc;
} context_;
};