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Minidumps never contain MD_LINUX_DSO_DEBUG info when breakpad is in a shared library

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A=Mike Hommey <mh@glandium.org>
R=ted at http://breakpad.appspot.com/422002/

git-svn-id: http://google-breakpad.googlecode.com/svn/trunk@1044 4c0a9323-5329-0410-9bdc-e9ce6186880e
This commit is contained in:
ted.mielczarek@gmail.com
2012-09-19 12:55:16 +00:00
parent 67364c1326
commit 0e91d185ca
10 changed files with 668 additions and 572 deletions
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18
src/client/linux/minidump_writer/linux_dumper.h
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@@ -59,6 +59,9 @@ typedef Elf32_auxv_t elf_aux_entry;
#elif defined(__x86_64)
typedef Elf64_auxv_t elf_aux_entry;
#endif
typedef typeof(((elf_aux_entry*) 0)->a_un.a_val) elf_aux_val_t;
// When we find the VDSO mapping in the process's address space, this
// is the name we use for it when writing it to the minidump.
// This should always be less than NAME_MAX!
@@ -124,6 +127,7 @@ class LinuxDumper {
const wasteful_vector<pid_t> &threads() { return threads_; }
const wasteful_vector<MappingInfo*> &mappings() { return mappings_; }
const MappingInfo* FindMapping(const void* address) const;
const wasteful_vector<elf_aux_val_t>& auxv() { return auxv_; }
// Find a block of memory to take as the stack given the top of stack pointer.
// stack: (output) the lowest address in the memory area
@@ -151,15 +155,6 @@ class LinuxDumper {
unsigned int mapping_id,
uint8_t identifier[sizeof(MDGUID)]);
// Utility method to find the location of where the kernel has
// mapped linux-gate.so in memory(shows up in /proc/pid/maps as
// [vdso], but we can't guarantee that it's the only virtual dynamic
// shared object. Parsing the auxilary vector for AT_SYSINFO_EHDR
// is the safest way to go.)
void* FindBeginningOfLinuxGateSharedLibrary(pid_t pid) const;
// Utility method to find the entry point location.
void* FindEntryPoint(pid_t pid) const;
uintptr_t crash_address() const { return crash_address_; }
void set_crash_address(uintptr_t crash_address) {
crash_address_ = crash_address;
@@ -172,6 +167,8 @@ class LinuxDumper {
void set_crash_thread(pid_t crash_thread) { crash_thread_ = crash_thread; }
protected:
bool ReadAuxv();
virtual bool EnumerateMappings();
virtual bool EnumerateThreads() = 0;
@@ -206,6 +203,9 @@ class LinuxDumper {
// Info from /proc/<pid>/maps.
wasteful_vector<MappingInfo*> mappings_;
// Info from /proc/<pid>/auxv
wasteful_vector<elf_aux_val_t> auxv_;
};
} // namespace google_breakpad