diff options
Diffstat (limited to 'lldb/tools/debugserver/source/MacOSX/MachDYLD.h')
| -rw-r--r-- | lldb/tools/debugserver/source/MacOSX/MachDYLD.h | 145 |
1 files changed, 145 insertions, 0 deletions
diff --git a/lldb/tools/debugserver/source/MacOSX/MachDYLD.h b/lldb/tools/debugserver/source/MacOSX/MachDYLD.h new file mode 100644 index 00000000000..1c7747cd137 --- /dev/null +++ b/lldb/tools/debugserver/source/MacOSX/MachDYLD.h @@ -0,0 +1,145 @@ +//===-- 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__ |
