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| #ifndef BASE_PROC_MAPS_ITERATOR_H_ |
| #define BASE_PROC_MAPS_ITERATOR_H_ |
| #include "config.h" |
| |
| #include <stdint.h> |
| |
| #include "base/basictypes.h" |
| #include "base/generic_writer.h" |
| #include "base/logging.h" |
| |
| namespace tcmalloc { |
| |
| // ProcMapping struct contains description of proc/pid/maps entry as |
| // used by ForEachProcMapping below. |
| struct ProcMapping { |
| uint64_t start; |
| uint64_t end; |
| const char* flags; |
| uint64_t offset; |
| int64_t inode; |
| const char* filename; |
| }; |
| |
| // Internal version of ForEachProcMapping below. |
| bool DoForEachProcMapping(void (*body)(const ProcMapping& mapping, void* arg), void* arg); |
| |
| // Iterates VMA entries in /proc/self/maps (or similar on other |
| // OS-es). Returns false if open() failed. |
| template <typename Body> |
| bool ForEachProcMapping(const Body& body) { |
| return DoForEachProcMapping([] (const ProcMapping& mapping, void* arg) { |
| const Body& body = *const_cast<const Body*>(static_cast<Body*>(arg)); |
| body(mapping); |
| }, static_cast<void*>(const_cast<Body*>(&body))); |
| } |
| |
| // Helper to add the list of mapped shared libraries to a profile. |
| // Write formatted "/proc/self/maps" contents into a given `writer'. |
| // |
| // See man 5 proc (on GNU/Linux system), or Google for "linux man 5 |
| // proc" and search proc/pid/maps entry there for description of |
| // format. |
| void SaveProcSelfMaps(GenericWriter* writer); |
| // Helper to add the list of mapped shared libraries to a profile. |
| // Write formatted "/proc/self/maps" contents into a given file |
| // descriptor. |
| void SaveProcSelfMapsToRawFD(RawFD fd); |
| |
| } // namespace tcmalloc |
| |
| #endif // BASE_PROC_MAPS_ITERATOR_H_ |