sanitizer_procmaps.h [plain text]
#ifndef SANITIZER_PROCMAPS_H
#define SANITIZER_PROCMAPS_H
#include "sanitizer_common.h"
#include "sanitizer_internal_defs.h"
#include "sanitizer_mutex.h"
namespace __sanitizer {
#if SANITIZER_LINUX
struct ProcSelfMapsBuff {
char *data;
uptr mmaped_size;
uptr len;
};
#endif // SANITIZER_LINUX
class MemoryMappingLayout {
public:
explicit MemoryMappingLayout(bool cache_enabled);
~MemoryMappingLayout();
bool Next(uptr *start, uptr *end, uptr *offset,
char filename[], uptr filename_size, uptr *protection);
void Reset();
static void CacheMemoryMappings();
uptr DumpListOfModules(LoadedModule *modules, uptr max_modules,
string_predicate_t filter);
static const uptr kProtectionRead = 1;
static const uptr kProtectionWrite = 2;
static const uptr kProtectionExecute = 4;
static const uptr kProtectionShared = 8;
private:
void LoadFromCache();
# if SANITIZER_LINUX
ProcSelfMapsBuff proc_self_maps_;
char *current_;
static ProcSelfMapsBuff cached_proc_self_maps_;
static StaticSpinMutex cache_lock_; # elif SANITIZER_MAC
template<u32 kLCSegment, typename SegmentCommand>
bool NextSegmentLoad(uptr *start, uptr *end, uptr *offset,
char filename[], uptr filename_size,
uptr *protection);
int current_image_;
u32 current_magic_;
u32 current_filetype_;
int current_load_cmd_count_;
char *current_load_cmd_addr_;
# endif
};
typedef void (*fill_profile_f)(uptr start, uptr rss, bool file,
uptr *stats, uptr stats_size);
void GetMemoryProfile(fill_profile_f cb, uptr *stats, uptr stats_size);
bool GetCodeRangeForFile(const char *module, uptr *start, uptr *end);
}
#endif // SANITIZER_PROCMAPS_H