forked from OSchip/llvm-project
146 lines
5.2 KiB
C++
146 lines
5.2 KiB
C++
//===-- MachDYLD.h ----------------------------------------------*- C++ -*-===//
|
|
//
|
|
// The LLVM Compiler Infrastructure
|
|
//
|
|
// This file is distributed under the University of Illinois Open Source
|
|
// License. See LICENSE.TXT for details.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
//
|
|
// Created by Greg Clayton on 6/29/07.
|
|
//
|
|
//===----------------------------------------------------------------------===//
|
|
|
|
#ifndef __MachDYLD_h__
|
|
#define __MachDYLD_h__
|
|
|
|
#include "DNBDefs.h"
|
|
#include "DNBRuntimeAction.h"
|
|
#include "PThreadMutex.h"
|
|
#include <map>
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
class DNBBreakpoint;
|
|
class MachProcess;
|
|
|
|
class MachDYLD : public DNBRuntimeAction
|
|
{
|
|
public:
|
|
MachDYLD ();
|
|
virtual ~MachDYLD ();
|
|
|
|
//------------------------------------------------------------------
|
|
// DNBRuntimeAction required functions
|
|
//------------------------------------------------------------------
|
|
virtual void Initialize(nub_process_t pid);
|
|
virtual void ProcessStateChanged(nub_state_t state);
|
|
virtual void SharedLibraryStateChanged(DNBExecutableImageInfo *image_infos, nub_size_t num_image_infos);
|
|
|
|
protected:
|
|
bool CheckForDYLDInMemory();
|
|
bool FoundDYLD() const;
|
|
void Clear();
|
|
void Dump(FILE *f) const;
|
|
nub_process_t ProcessID() const { return m_pid; }
|
|
uint32_t AddrByteSize() const { return m_addr_size; }
|
|
nub_size_t CopyCurrentShlibInfo(DNBExecutableImageInfo **image_infos);
|
|
nub_size_t CopyChangedShlibInfo(DNBExecutableImageInfo **image_infos);
|
|
nub_addr_t GetSharedLibraryHeaderAddress(const char *shlib_path) const;
|
|
bool CheckForDYLDInMemory(nub_addr_t addr);
|
|
bool ReadDYLIBInfo ();
|
|
static nub_bool_t BreakpointHit (nub_process_t pid, nub_thread_t tid, nub_break_t breakID, void *baton);
|
|
void UpdateUUIDs();
|
|
|
|
struct DYLIBInfo
|
|
{
|
|
nub_addr_t address; // Address of mach header for this dylib
|
|
nub_addr_t mod_date; // Modification date for this dylib
|
|
std::string path; // Resolved path for this dylib
|
|
uint8_t uuid[16]; // UUID for this dylib if it has one, else all zeros
|
|
std::vector<DNBSegment> segments; // All segment vmaddr and vmsize pairs for this executable (from memory of inferior)
|
|
|
|
DYLIBInfo() :
|
|
address(INVALID_NUB_ADDRESS),
|
|
mod_date(0),
|
|
path(),
|
|
segments()
|
|
{
|
|
memset(uuid, 0, 16);
|
|
}
|
|
|
|
void Clear()
|
|
{
|
|
address = INVALID_NUB_ADDRESS;
|
|
mod_date = 0;
|
|
path.clear();
|
|
segments.clear();
|
|
memset(uuid, 0, 16);
|
|
}
|
|
|
|
bool operator == (const DYLIBInfo& rhs) const
|
|
{
|
|
return address == rhs.address
|
|
&& mod_date == rhs.mod_date
|
|
&& path == rhs.path
|
|
&& memcmp(uuid, rhs.uuid, 16) == 0;
|
|
}
|
|
bool UUIDValid() const
|
|
{
|
|
return uuid[ 0] || uuid[ 1] || uuid[ 2] || uuid[ 3] ||
|
|
uuid[ 4] || uuid[ 5] || uuid[ 6] || uuid[ 7] ||
|
|
uuid[ 8] || uuid[ 9] || uuid[10] || uuid[11] ||
|
|
uuid[12] || uuid[13] || uuid[14] || uuid[15];
|
|
}
|
|
|
|
void Dump(FILE *f) const;
|
|
typedef std::vector<DYLIBInfo> collection;
|
|
typedef collection::iterator iterator;
|
|
typedef collection::const_iterator const_iterator;
|
|
};
|
|
struct InfoHeader
|
|
{
|
|
uint32_t version; /* == 1 in Mac OS X 10.4, == 2 in Mac OS 10.5 */
|
|
uint32_t dylib_info_count;
|
|
nub_addr_t dylib_info_addr;
|
|
nub_addr_t notification;
|
|
bool processDetachedFromSharedRegion;
|
|
|
|
InfoHeader() :
|
|
version(0),
|
|
dylib_info_count(0),
|
|
dylib_info_addr(INVALID_NUB_ADDRESS),
|
|
notification(INVALID_NUB_ADDRESS),
|
|
processDetachedFromSharedRegion(false)
|
|
{
|
|
}
|
|
|
|
void Clear()
|
|
{
|
|
version = 0;
|
|
dylib_info_count = 0;
|
|
dylib_info_addr = INVALID_NUB_ADDRESS;
|
|
notification = INVALID_NUB_ADDRESS;
|
|
processDetachedFromSharedRegion = false;
|
|
}
|
|
|
|
bool IsValid() const
|
|
{
|
|
return version == 1 || version == 2;
|
|
}
|
|
};
|
|
static nub_size_t CopySharedLibraryInfo(DYLIBInfo::collection& dylib_coll, DNBExecutableImageInfo **image_infos);
|
|
static nub_size_t CopySharedInfoCallback(nub_process_t pid, struct DNBExecutableImageInfo **image_infos, nub_bool_t only_changed, void *baton);
|
|
nub_process_t m_pid;
|
|
uint32_t m_addr_size;
|
|
nub_addr_t m_dyld_addr;
|
|
nub_addr_t m_dyld_all_image_infos_addr;
|
|
InfoHeader m_dylib_info_header;
|
|
DYLIBInfo::collection m_current_dylibs; // Current shared libraries information
|
|
DYLIBInfo::collection m_changed_dylibs; // Shared libraries that changed since last shared library update
|
|
nub_break_t m_notify_break_id;
|
|
mutable PThreadMutex m_dyld_info_mutex;
|
|
};
|
|
|
|
#endif // #ifndef __MachDYLD_h__
|