diff options
Diffstat (limited to 'extern/libmv/third_party/glog/src/symbolize.h')
| -rw-r--r-- | extern/libmv/third_party/glog/src/symbolize.h | 41 |
1 files changed, 40 insertions, 1 deletions
diff --git a/extern/libmv/third_party/glog/src/symbolize.h b/extern/libmv/third_party/glog/src/symbolize.h index 1ebe4dd94a2..f617184249c 100644 --- a/extern/libmv/third_party/glog/src/symbolize.h +++ b/extern/libmv/third_party/glog/src/symbolize.h @@ -60,9 +60,26 @@ #ifdef HAVE_SYMBOLIZE -#if defined(__ELF__) // defined by gcc on Linux +#if defined(__ELF__) // defined by gcc +#if defined(__OpenBSD__) +#include <sys/exec_elf.h> +#else #include <elf.h> +#endif + +#if !defined(ANDROID) #include <link.h> // For ElfW() macro. +#endif + +// For systems where SIZEOF_VOID_P is not defined, determine it +// based on __LP64__ (defined by gcc on 64-bit systems) +#if !defined(SIZEOF_VOID_P) +# if defined(__LP64__) +# define SIZEOF_VOID_P 8 +# else +# define SIZEOF_VOID_P 4 +# endif +#endif // If there is no ElfW macro, let's define it by ourself. #ifndef ElfW @@ -88,6 +105,10 @@ _END_GOOGLE_NAMESPACE_ _START_GOOGLE_NAMESPACE_ +// Restrictions on the callbacks that follow: +// - The callbacks must not use heaps but only use stacks. +// - The callbacks must be async-signal-safe. + // Installs a callback function, which will be called right before a symbol name // is printed. The callback is intended to be used for showing a file name and a // line number preceding a symbol name. @@ -99,6 +120,24 @@ typedef int (*SymbolizeCallback)(int fd, void *pc, char *out, size_t out_size, uint64 relocation); void InstallSymbolizeCallback(SymbolizeCallback callback); +// Installs a callback function, which will be called instead of +// OpenObjectFileContainingPcAndGetStartAddress. The callback is expected +// to searches for the object file (from /proc/self/maps) that contains +// the specified pc. If found, sets |start_address| to the start address +// of where this object file is mapped in memory, sets the module base +// address into |base_address|, copies the object file name into +// |out_file_name|, and attempts to open the object file. If the object +// file is opened successfully, returns the file descriptor. Otherwise, +// returns -1. |out_file_name_size| is the size of the file name buffer +// (including the null-terminator). +typedef int (*SymbolizeOpenObjectFileCallback)(uint64_t pc, + uint64_t &start_address, + uint64_t &base_address, + char *out_file_name, + int out_file_name_size); +void InstallSymbolizeOpenObjectFileCallback( + SymbolizeOpenObjectFileCallback callback); + _END_GOOGLE_NAMESPACE_ #endif |