forked from OSchip/llvm-project
802 lines
34 KiB
C++
802 lines
34 KiB
C++
//===-- Symbols.cpp ---------------------------------------------*- C++ -*-===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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#include "lldb/Host/Symbols.h"
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// C Includes
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#include <dirent.h>
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#include <pwd.h>
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#include "llvm/Support/MachO.h"
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// C++ Includes
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// Other libraries and framework includes
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#include <CoreFoundation/CoreFoundation.h>
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// Project includes
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#include "lldb/Core/ArchSpec.h"
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#include "lldb/Core/DataBuffer.h"
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#include "lldb/Core/DataExtractor.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/ModuleSpec.h"
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#include "lldb/Core/StreamString.h"
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#include "lldb/Core/Timer.h"
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#include "lldb/Core/UUID.h"
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#include "lldb/Host/Endian.h"
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#include "lldb/Host/Host.h"
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#include "lldb/Utility/CleanUp.h"
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#include "Host/macosx/cfcpp/CFCBundle.h"
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#include "Host/macosx/cfcpp/CFCData.h"
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#include "Host/macosx/cfcpp/CFCReleaser.h"
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#include "Host/macosx/cfcpp/CFCString.h"
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#include "mach/machine.h"
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using namespace lldb;
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using namespace lldb_private;
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using namespace llvm::MachO;
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#if !defined (__arm__) // No DebugSymbols on the iOS devices
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extern "C" {
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CFURLRef DBGCopyFullDSYMURLForUUID (CFUUIDRef uuid, CFURLRef exec_url);
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CFDictionaryRef DBGCopyDSYMPropertyLists (CFURLRef dsym_url);
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}
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#endif
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static bool
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SkinnyMachOFileContainsArchAndUUID
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(
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const FileSpec &file_spec,
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const ArchSpec *arch,
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const lldb_private::UUID *uuid, // the UUID we are looking for
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off_t file_offset,
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DataExtractor& data,
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lldb::offset_t data_offset,
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const uint32_t magic
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)
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{
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assert(magic == MH_MAGIC || magic == MH_CIGAM || magic == MH_MAGIC_64 || magic == MH_CIGAM_64);
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if (magic == MH_MAGIC || magic == MH_MAGIC_64)
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data.SetByteOrder (lldb::endian::InlHostByteOrder());
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else if (lldb::endian::InlHostByteOrder() == eByteOrderBig)
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data.SetByteOrder (eByteOrderLittle);
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else
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data.SetByteOrder (eByteOrderBig);
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uint32_t i;
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const uint32_t cputype = data.GetU32(&data_offset); // cpu specifier
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const uint32_t cpusubtype = data.GetU32(&data_offset); // machine specifier
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data_offset+=4; // Skip mach file type
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const uint32_t ncmds = data.GetU32(&data_offset); // number of load commands
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const uint32_t sizeofcmds = data.GetU32(&data_offset); // the size of all the load commands
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data_offset+=4; // Skip flags
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// Check the architecture if we have a valid arch pointer
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if (arch)
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{
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ArchSpec file_arch(eArchTypeMachO, cputype, cpusubtype);
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if (!file_arch.IsCompatibleMatch(*arch))
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return false;
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}
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// The file exists, and if a valid arch pointer was passed in we know
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// if already matches, so we can return if we aren't looking for a specific
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// UUID
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if (uuid == NULL)
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return true;
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if (magic == MH_CIGAM_64 || magic == MH_MAGIC_64)
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data_offset += 4; // Skip reserved field for in mach_header_64
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// Make sure we have enough data for all the load commands
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if (magic == MH_CIGAM_64 || magic == MH_MAGIC_64)
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{
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if (data.GetByteSize() < sizeof(struct mach_header_64) + sizeofcmds)
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{
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DataBufferSP data_buffer_sp (file_spec.ReadFileContents (file_offset, sizeof(struct mach_header_64) + sizeofcmds));
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data.SetData (data_buffer_sp);
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}
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}
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else
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{
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if (data.GetByteSize() < sizeof(struct mach_header) + sizeofcmds)
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{
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DataBufferSP data_buffer_sp (file_spec.ReadFileContents (file_offset, sizeof(struct mach_header) + sizeofcmds));
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data.SetData (data_buffer_sp);
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}
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}
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for (i=0; i<ncmds; i++)
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{
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const lldb::offset_t cmd_offset = data_offset; // Save this data_offset in case parsing of the segment goes awry!
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uint32_t cmd = data.GetU32(&data_offset);
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uint32_t cmd_size = data.GetU32(&data_offset);
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if (cmd == LC_UUID)
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{
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lldb_private::UUID file_uuid (data.GetData(&data_offset, 16), 16);
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if (file_uuid == *uuid)
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return true;
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return false;
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}
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data_offset = cmd_offset + cmd_size;
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}
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return false;
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}
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bool
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UniversalMachOFileContainsArchAndUUID
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(
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const FileSpec &file_spec,
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const ArchSpec *arch,
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const lldb_private::UUID *uuid,
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off_t file_offset,
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DataExtractor& data,
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lldb::offset_t data_offset,
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const uint32_t magic
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)
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{
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assert(magic == FAT_MAGIC || magic == FAT_CIGAM);
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// Universal mach-o files always have their headers encoded as BIG endian
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data.SetByteOrder(eByteOrderBig);
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uint32_t i;
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const uint32_t nfat_arch = data.GetU32(&data_offset); // number of structs that follow
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const uint32_t fat_header_and_arch_size = sizeof(struct fat_header) + nfat_arch * sizeof(struct fat_arch);
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if (data.GetByteSize() < fat_header_and_arch_size)
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{
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DataBufferSP data_buffer_sp (file_spec.ReadFileContents (file_offset, fat_header_and_arch_size));
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data.SetData (data_buffer_sp);
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}
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for (i=0; i<nfat_arch; i++)
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{
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cpu_type_t arch_cputype = data.GetU32(&data_offset); // cpu specifier (int)
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cpu_subtype_t arch_cpusubtype = data.GetU32(&data_offset); // machine specifier (int)
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uint32_t arch_offset = data.GetU32(&data_offset); // file offset to this object file
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// uint32_t arch_size = data.GetU32(&data_offset); // size of this object file
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// uint32_t arch_align = data.GetU32(&data_offset); // alignment as a power of 2
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data_offset += 8; // Skip size and align as we don't need those
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// Only process this slice if the cpu type/subtype matches
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if (arch)
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{
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ArchSpec fat_arch(eArchTypeMachO, arch_cputype, arch_cpusubtype);
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if (!fat_arch.IsExactMatch(*arch))
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continue;
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}
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// Create a buffer with only the arch slice date in it
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DataExtractor arch_data;
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DataBufferSP data_buffer_sp (file_spec.ReadFileContents (file_offset + arch_offset, 0x1000));
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arch_data.SetData(data_buffer_sp);
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lldb::offset_t arch_data_offset = 0;
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uint32_t arch_magic = arch_data.GetU32(&arch_data_offset);
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switch (arch_magic)
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{
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case MH_MAGIC:
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case MH_CIGAM:
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case MH_MAGIC_64:
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case MH_CIGAM_64:
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if (SkinnyMachOFileContainsArchAndUUID (file_spec, arch, uuid, file_offset + arch_offset, arch_data, arch_data_offset, arch_magic))
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return true;
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break;
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}
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}
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return false;
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}
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static bool
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FileAtPathContainsArchAndUUID
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(
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const FileSpec &file_spec,
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const ArchSpec *arch,
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const lldb_private::UUID *uuid
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)
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{
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DataExtractor data;
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off_t file_offset = 0;
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DataBufferSP data_buffer_sp (file_spec.ReadFileContents (file_offset, 0x1000));
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if (data_buffer_sp && data_buffer_sp->GetByteSize() > 0)
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{
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data.SetData(data_buffer_sp);
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lldb::offset_t data_offset = 0;
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uint32_t magic = data.GetU32(&data_offset);
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switch (magic)
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{
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// 32 bit mach-o file
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case MH_MAGIC:
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case MH_CIGAM:
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case MH_MAGIC_64:
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case MH_CIGAM_64:
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return SkinnyMachOFileContainsArchAndUUID (file_spec, arch, uuid, file_offset, data, data_offset, magic);
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// fat mach-o file
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case FAT_MAGIC:
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case FAT_CIGAM:
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return UniversalMachOFileContainsArchAndUUID (file_spec, arch, uuid, file_offset, data, data_offset, magic);
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default:
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break;
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}
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}
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return false;
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}
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FileSpec
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Symbols::FindSymbolFileInBundle (const FileSpec& dsym_bundle_fspec,
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const lldb_private::UUID *uuid,
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const ArchSpec *arch)
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{
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char path[PATH_MAX];
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FileSpec dsym_fspec;
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if (dsym_bundle_fspec.GetPath(path, sizeof(path)))
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{
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::strncat (path, "/Contents/Resources/DWARF", sizeof(path) - strlen(path) - 1);
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lldb_utility::CleanUp <DIR *, int> dirp (opendir(path), NULL, closedir);
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if (dirp.is_valid())
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{
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dsym_fspec.GetDirectory().SetCString(path);
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struct dirent* dp;
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while ((dp = readdir(dirp.get())) != NULL)
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{
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// Only search directories
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if (dp->d_type == DT_DIR || dp->d_type == DT_UNKNOWN)
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{
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if (dp->d_namlen == 1 && dp->d_name[0] == '.')
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continue;
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if (dp->d_namlen == 2 && dp->d_name[0] == '.' && dp->d_name[1] == '.')
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continue;
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}
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if (dp->d_type == DT_REG || dp->d_type == DT_UNKNOWN)
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{
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dsym_fspec.GetFilename().SetCString(dp->d_name);
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if (FileAtPathContainsArchAndUUID (dsym_fspec, arch, uuid))
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return dsym_fspec;
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}
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}
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}
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}
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dsym_fspec.Clear();
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return dsym_fspec;
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}
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static int
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LocateMacOSXFilesUsingDebugSymbols
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(
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const ModuleSpec &module_spec,
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FileSpec *out_exec_fspec, // If non-NULL, try and find the executable
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FileSpec *out_dsym_fspec // If non-NULL try and find the debug symbol file
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)
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{
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int items_found = 0;
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if (out_exec_fspec)
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out_exec_fspec->Clear();
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if (out_dsym_fspec)
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out_dsym_fspec->Clear();
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#if !defined (__arm__) // No DebugSymbols on the iOS devices
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const UUID *uuid = module_spec.GetUUIDPtr();
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const ArchSpec *arch = module_spec.GetArchitecturePtr();
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if (uuid && uuid->IsValid())
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{
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// Try and locate the dSYM file using DebugSymbols first
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const UInt8 *module_uuid = (const UInt8 *)uuid->GetBytes();
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if (module_uuid != NULL)
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{
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CFCReleaser<CFUUIDRef> module_uuid_ref(::CFUUIDCreateWithBytes (NULL,
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module_uuid[0],
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module_uuid[1],
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module_uuid[2],
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module_uuid[3],
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module_uuid[4],
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module_uuid[5],
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module_uuid[6],
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module_uuid[7],
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module_uuid[8],
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module_uuid[9],
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module_uuid[10],
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module_uuid[11],
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module_uuid[12],
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module_uuid[13],
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module_uuid[14],
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module_uuid[15]));
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if (module_uuid_ref.get())
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{
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CFCReleaser<CFURLRef> exec_url;
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const FileSpec *exec_fspec = module_spec.GetFileSpecPtr();
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if (exec_fspec)
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{
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char exec_cf_path[PATH_MAX];
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if (exec_fspec->GetPath(exec_cf_path, sizeof(exec_cf_path)))
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exec_url.reset(::CFURLCreateFromFileSystemRepresentation (NULL,
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(const UInt8 *)exec_cf_path,
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strlen(exec_cf_path),
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FALSE));
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}
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CFCReleaser<CFURLRef> dsym_url (::DBGCopyFullDSYMURLForUUID(module_uuid_ref.get(), exec_url.get()));
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char path[PATH_MAX];
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if (dsym_url.get())
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{
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if (out_dsym_fspec)
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{
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if (::CFURLGetFileSystemRepresentation (dsym_url.get(), true, (UInt8*)path, sizeof(path)-1))
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{
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out_dsym_fspec->SetFile(path, path[0] == '~');
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if (out_dsym_fspec->GetFileType () == FileSpec::eFileTypeDirectory)
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{
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*out_dsym_fspec = Symbols::FindSymbolFileInBundle (*out_dsym_fspec, uuid, arch);
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if (*out_dsym_fspec)
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++items_found;
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}
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else
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{
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++items_found;
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}
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}
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}
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CFCReleaser<CFDictionaryRef> dict(::DBGCopyDSYMPropertyLists (dsym_url.get()));
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CFDictionaryRef uuid_dict = NULL;
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if (dict.get())
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{
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CFCString uuid_cfstr (uuid->GetAsString().c_str());
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uuid_dict = static_cast<CFDictionaryRef>(::CFDictionaryGetValue (dict.get(), uuid_cfstr.get()));
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if (uuid_dict)
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{
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CFStringRef actual_src_cfpath = static_cast<CFStringRef>(::CFDictionaryGetValue (uuid_dict, CFSTR("DBGSourcePath")));
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if (actual_src_cfpath)
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{
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CFStringRef build_src_cfpath = static_cast<CFStringRef>(::CFDictionaryGetValue (uuid_dict, CFSTR("DBGBuildSourcePath")));
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if (build_src_cfpath)
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{
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char actual_src_path[PATH_MAX];
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char build_src_path[PATH_MAX];
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::CFStringGetFileSystemRepresentation (actual_src_cfpath, actual_src_path, sizeof(actual_src_path));
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::CFStringGetFileSystemRepresentation (build_src_cfpath, build_src_path, sizeof(build_src_path));
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if (actual_src_path[0] == '~')
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{
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FileSpec resolved_source_path(actual_src_path, true);
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resolved_source_path.GetPath(actual_src_path, sizeof(actual_src_path));
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}
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module_spec.GetSourceMappingList().Append (ConstString(build_src_path), ConstString(actual_src_path), true);
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}
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}
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}
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}
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if (out_exec_fspec)
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{
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bool success = false;
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if (uuid_dict)
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{
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CFStringRef exec_cf_path = static_cast<CFStringRef>(::CFDictionaryGetValue (uuid_dict, CFSTR("DBGSymbolRichExecutable")));
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if (exec_cf_path && ::CFStringGetFileSystemRepresentation (exec_cf_path, path, sizeof(path)))
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{
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++items_found;
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out_exec_fspec->SetFile(path, path[0] == '~');
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if (out_exec_fspec->Exists())
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success = true;
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}
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}
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if (!success)
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{
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// No dictionary, check near the dSYM bundle for an executable that matches...
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if (::CFURLGetFileSystemRepresentation (dsym_url.get(), true, (UInt8*)path, sizeof(path)-1))
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{
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char *dsym_extension_pos = ::strstr (path, ".dSYM");
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if (dsym_extension_pos)
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{
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*dsym_extension_pos = '\0';
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FileSpec file_spec (path, true);
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switch (file_spec.GetFileType())
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{
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case FileSpec::eFileTypeDirectory: // Bundle directory?
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{
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CFCBundle bundle (path);
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CFCReleaser<CFURLRef> bundle_exe_url (bundle.CopyExecutableURL ());
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if (bundle_exe_url.get())
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{
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if (::CFURLGetFileSystemRepresentation (bundle_exe_url.get(), true, (UInt8*)path, sizeof(path)-1))
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{
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FileSpec bundle_exe_file_spec (path, true);
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if (FileAtPathContainsArchAndUUID (bundle_exe_file_spec, arch, uuid))
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{
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++items_found;
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*out_exec_fspec = bundle_exe_file_spec;
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}
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}
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}
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}
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break;
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case FileSpec::eFileTypePipe: // Forget pipes
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case FileSpec::eFileTypeSocket: // We can't process socket files
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case FileSpec::eFileTypeInvalid: // File doesn't exist...
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break;
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case FileSpec::eFileTypeUnknown:
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case FileSpec::eFileTypeRegular:
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case FileSpec::eFileTypeSymbolicLink:
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case FileSpec::eFileTypeOther:
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if (FileAtPathContainsArchAndUUID (file_spec, arch, uuid))
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{
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++items_found;
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*out_exec_fspec = file_spec;
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}
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break;
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}
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}
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}
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}
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}
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}
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}
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}
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}
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#endif // #if !defined (__arm__)
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return items_found;
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}
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static bool
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LocateDSYMInVincinityOfExecutable (const ModuleSpec &module_spec, FileSpec &dsym_fspec)
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{
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const FileSpec *exec_fspec = module_spec.GetFileSpecPtr();
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if (exec_fspec)
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{
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char path[PATH_MAX];
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if (exec_fspec->GetPath(path, sizeof(path)))
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{
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// Make sure the module isn't already just a dSYM file...
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if (strcasestr(path, ".dSYM/Contents/Resources/DWARF") == NULL)
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{
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size_t obj_file_path_length = strlen(path);
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strlcat(path, ".dSYM/Contents/Resources/DWARF/", sizeof(path));
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strlcat(path, exec_fspec->GetFilename().AsCString(), sizeof(path));
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dsym_fspec.SetFile(path, false);
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if (dsym_fspec.Exists() && FileAtPathContainsArchAndUUID (dsym_fspec, module_spec.GetArchitecturePtr(), module_spec.GetUUIDPtr()))
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{
|
|
return true;
|
|
}
|
|
else
|
|
{
|
|
path[obj_file_path_length] = '\0';
|
|
|
|
char *last_dot = strrchr(path, '.');
|
|
while (last_dot != NULL && last_dot[0])
|
|
{
|
|
char *next_slash = strchr(last_dot, '/');
|
|
if (next_slash != NULL)
|
|
{
|
|
*next_slash = '\0';
|
|
strlcat(path, ".dSYM/Contents/Resources/DWARF/", sizeof(path));
|
|
strlcat(path, exec_fspec->GetFilename().AsCString(), sizeof(path));
|
|
dsym_fspec.SetFile(path, false);
|
|
if (dsym_fspec.Exists() && FileAtPathContainsArchAndUUID (dsym_fspec, module_spec.GetArchitecturePtr(), module_spec.GetUUIDPtr()))
|
|
return true;
|
|
else
|
|
{
|
|
*last_dot = '\0';
|
|
char *prev_slash = strrchr(path, '/');
|
|
if (prev_slash != NULL)
|
|
*prev_slash = '\0';
|
|
else
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
dsym_fspec.Clear();
|
|
return false;
|
|
}
|
|
|
|
FileSpec
|
|
Symbols::LocateExecutableObjectFile (const ModuleSpec &module_spec)
|
|
{
|
|
const FileSpec *exec_fspec = module_spec.GetFileSpecPtr();
|
|
const ArchSpec *arch = module_spec.GetArchitecturePtr();
|
|
const UUID *uuid = module_spec.GetUUIDPtr();
|
|
Timer scoped_timer (__PRETTY_FUNCTION__,
|
|
"LocateExecutableObjectFile (file = %s, arch = %s, uuid = %p)",
|
|
exec_fspec ? exec_fspec->GetFilename().AsCString ("<NULL>") : "<NULL>",
|
|
arch ? arch->GetArchitectureName() : "<NULL>",
|
|
uuid);
|
|
|
|
FileSpec objfile_fspec;
|
|
if (exec_fspec && FileAtPathContainsArchAndUUID (exec_fspec, arch, uuid))
|
|
objfile_fspec = exec_fspec;
|
|
else
|
|
LocateMacOSXFilesUsingDebugSymbols (module_spec, &objfile_fspec, NULL);
|
|
return objfile_fspec;
|
|
}
|
|
|
|
FileSpec
|
|
Symbols::LocateExecutableSymbolFile (const ModuleSpec &module_spec)
|
|
{
|
|
const FileSpec *exec_fspec = module_spec.GetFileSpecPtr();
|
|
const ArchSpec *arch = module_spec.GetArchitecturePtr();
|
|
const UUID *uuid = module_spec.GetUUIDPtr();
|
|
|
|
Timer scoped_timer (__PRETTY_FUNCTION__,
|
|
"LocateExecutableSymbolFile (file = %s, arch = %s, uuid = %p)",
|
|
exec_fspec ? exec_fspec->GetFilename().AsCString ("<NULL>") : "<NULL>",
|
|
arch ? arch->GetArchitectureName() : "<NULL>",
|
|
uuid);
|
|
|
|
FileSpec symbol_fspec;
|
|
// First try and find the dSYM in the same directory as the executable or in
|
|
// an appropriate parent directory
|
|
if (LocateDSYMInVincinityOfExecutable (module_spec, symbol_fspec) == false)
|
|
{
|
|
// We failed to easily find the dSYM above, so use DebugSymbols
|
|
LocateMacOSXFilesUsingDebugSymbols (module_spec, NULL, &symbol_fspec);
|
|
}
|
|
return symbol_fspec;
|
|
}
|
|
|
|
|
|
static bool
|
|
GetModuleSpecInfoFromUUIDDictionary (CFDictionaryRef uuid_dict, ModuleSpec &module_spec)
|
|
{
|
|
bool success = false;
|
|
if (uuid_dict != NULL && CFGetTypeID (uuid_dict) == CFDictionaryGetTypeID ())
|
|
{
|
|
std::string str;
|
|
CFStringRef cf_str;
|
|
|
|
cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGSymbolRichExecutable"));
|
|
if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
|
|
{
|
|
if (CFCString::FileSystemRepresentation(cf_str, str))
|
|
module_spec.GetFileSpec().SetFile (str.c_str(), true);
|
|
}
|
|
|
|
cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGDSYMPath"));
|
|
if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
|
|
{
|
|
if (CFCString::FileSystemRepresentation(cf_str, str))
|
|
{
|
|
module_spec.GetSymbolFileSpec().SetFile (str.c_str(), true);
|
|
success = true;
|
|
}
|
|
}
|
|
|
|
cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGArchitecture"));
|
|
if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
|
|
{
|
|
if (CFCString::FileSystemRepresentation(cf_str, str))
|
|
module_spec.GetArchitecture().SetTriple(str.c_str());
|
|
}
|
|
|
|
std::string DBGBuildSourcePath;
|
|
std::string DBGSourcePath;
|
|
|
|
cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGBuildSourcePath"));
|
|
if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
|
|
{
|
|
CFCString::FileSystemRepresentation(cf_str, DBGBuildSourcePath);
|
|
}
|
|
|
|
cf_str = (CFStringRef)CFDictionaryGetValue ((CFDictionaryRef) uuid_dict, CFSTR("DBGSourcePath"));
|
|
if (cf_str && CFGetTypeID (cf_str) == CFStringGetTypeID ())
|
|
{
|
|
CFCString::FileSystemRepresentation(cf_str, DBGSourcePath);
|
|
}
|
|
|
|
if (!DBGBuildSourcePath.empty() && !DBGSourcePath.empty())
|
|
{
|
|
module_spec.GetSourceMappingList().Append (ConstString(DBGBuildSourcePath.c_str()), ConstString(DBGSourcePath.c_str()), true);
|
|
}
|
|
}
|
|
return success;
|
|
}
|
|
|
|
|
|
bool
|
|
Symbols::DownloadObjectAndSymbolFile (ModuleSpec &module_spec, bool force_lookup)
|
|
{
|
|
bool success = false;
|
|
const UUID *uuid_ptr = module_spec.GetUUIDPtr();
|
|
const FileSpec *file_spec_ptr = module_spec.GetFileSpecPtr();
|
|
|
|
// It's expensive to check for the DBGShellCommands defaults setting, only do it once per
|
|
// lldb run and cache the result.
|
|
static bool g_have_checked_for_dbgshell_command = false;
|
|
static const char *g_dbgshell_command = NULL;
|
|
if (g_have_checked_for_dbgshell_command == false)
|
|
{
|
|
g_have_checked_for_dbgshell_command = true;
|
|
CFTypeRef defaults_setting = CFPreferencesCopyAppValue (CFSTR ("DBGShellCommands"), CFSTR ("com.apple.DebugSymbols"));
|
|
if (defaults_setting && CFGetTypeID (defaults_setting) == CFStringGetTypeID())
|
|
{
|
|
char cstr_buf[PATH_MAX];
|
|
if (CFStringGetCString ((CFStringRef) defaults_setting, cstr_buf, sizeof (cstr_buf), kCFStringEncodingUTF8))
|
|
{
|
|
g_dbgshell_command = strdup (cstr_buf); // this malloc'ed memory will never be freed
|
|
}
|
|
}
|
|
if (defaults_setting)
|
|
{
|
|
CFRelease (defaults_setting);
|
|
}
|
|
}
|
|
|
|
// When g_dbgshell_command is NULL, the user has not enabled the use of an external program
|
|
// to find the symbols, don't run it for them.
|
|
if (force_lookup == false && g_dbgshell_command == NULL)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (uuid_ptr || (file_spec_ptr && file_spec_ptr->Exists()))
|
|
{
|
|
static bool g_located_dsym_for_uuid_exe = false;
|
|
static bool g_dsym_for_uuid_exe_exists = false;
|
|
static char g_dsym_for_uuid_exe_path[PATH_MAX];
|
|
if (!g_located_dsym_for_uuid_exe)
|
|
{
|
|
g_located_dsym_for_uuid_exe = true;
|
|
const char *dsym_for_uuid_exe_path_cstr = getenv("LLDB_APPLE_DSYMFORUUID_EXECUTABLE");
|
|
FileSpec dsym_for_uuid_exe_spec;
|
|
if (dsym_for_uuid_exe_path_cstr)
|
|
{
|
|
dsym_for_uuid_exe_spec.SetFile(dsym_for_uuid_exe_path_cstr, true);
|
|
g_dsym_for_uuid_exe_exists = dsym_for_uuid_exe_spec.Exists();
|
|
}
|
|
|
|
if (!g_dsym_for_uuid_exe_exists)
|
|
{
|
|
dsym_for_uuid_exe_spec.SetFile("/usr/local/bin/dsymForUUID", false);
|
|
g_dsym_for_uuid_exe_exists = dsym_for_uuid_exe_spec.Exists();
|
|
if (!g_dsym_for_uuid_exe_exists)
|
|
{
|
|
long bufsize;
|
|
if ((bufsize = sysconf(_SC_GETPW_R_SIZE_MAX)) != -1)
|
|
{
|
|
char buffer[bufsize];
|
|
struct passwd pwd;
|
|
struct passwd *tilde_rc = NULL;
|
|
// we are a library so we need to use the reentrant version of getpwnam()
|
|
if (getpwnam_r ("rc", &pwd, buffer, bufsize, &tilde_rc) == 0
|
|
&& tilde_rc
|
|
&& tilde_rc->pw_dir)
|
|
{
|
|
std::string dsymforuuid_path(tilde_rc->pw_dir);
|
|
dsymforuuid_path += "/bin/dsymForUUID";
|
|
dsym_for_uuid_exe_spec.SetFile(dsymforuuid_path.c_str(), false);
|
|
g_dsym_for_uuid_exe_exists = dsym_for_uuid_exe_spec.Exists();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
if (!g_dsym_for_uuid_exe_exists && g_dbgshell_command != NULL)
|
|
{
|
|
dsym_for_uuid_exe_spec.SetFile(g_dbgshell_command, true);
|
|
g_dsym_for_uuid_exe_exists = dsym_for_uuid_exe_spec.Exists();
|
|
}
|
|
|
|
if (g_dsym_for_uuid_exe_exists)
|
|
dsym_for_uuid_exe_spec.GetPath (g_dsym_for_uuid_exe_path, sizeof(g_dsym_for_uuid_exe_path));
|
|
}
|
|
if (g_dsym_for_uuid_exe_exists)
|
|
{
|
|
std::string uuid_str;
|
|
char file_path[PATH_MAX];
|
|
file_path[0] = '\0';
|
|
|
|
if (uuid_ptr)
|
|
uuid_str = uuid_ptr->GetAsString();
|
|
|
|
if (file_spec_ptr)
|
|
file_spec_ptr->GetPath(file_path, sizeof(file_path));
|
|
|
|
StreamString command;
|
|
if (!uuid_str.empty())
|
|
command.Printf("%s --ignoreNegativeCache --copyExecutable %s", g_dsym_for_uuid_exe_path, uuid_str.c_str());
|
|
else if (file_path && file_path[0])
|
|
command.Printf("%s --ignoreNegativeCache --copyExecutable %s", g_dsym_for_uuid_exe_path, file_path);
|
|
|
|
if (!command.GetString().empty())
|
|
{
|
|
int exit_status = -1;
|
|
int signo = -1;
|
|
std::string command_output;
|
|
Error error = Host::RunShellCommand (command.GetData(),
|
|
NULL, // current working directory
|
|
&exit_status, // Exit status
|
|
&signo, // Signal int *
|
|
&command_output, // Command output
|
|
30, // Large timeout to allow for long dsym download times
|
|
NULL); // Don't run in a shell (we don't need shell expansion)
|
|
if (error.Success() && exit_status == 0 && !command_output.empty())
|
|
{
|
|
CFCData data (CFDataCreateWithBytesNoCopy (NULL,
|
|
(const UInt8 *)command_output.data(),
|
|
command_output.size(),
|
|
kCFAllocatorNull));
|
|
|
|
CFCReleaser<CFDictionaryRef> plist((CFDictionaryRef)::CFPropertyListCreateFromXMLData (NULL, data.get(), kCFPropertyListImmutable, NULL));
|
|
|
|
if (plist.get() && CFGetTypeID (plist.get()) == CFDictionaryGetTypeID ())
|
|
{
|
|
if (!uuid_str.empty())
|
|
{
|
|
CFCString uuid_cfstr(uuid_str.c_str());
|
|
CFDictionaryRef uuid_dict = (CFDictionaryRef)CFDictionaryGetValue (plist.get(), uuid_cfstr.get());
|
|
success = GetModuleSpecInfoFromUUIDDictionary (uuid_dict, module_spec);
|
|
}
|
|
else
|
|
{
|
|
const CFIndex num_values = ::CFDictionaryGetCount(plist.get());
|
|
if (num_values > 0)
|
|
{
|
|
std::vector<CFStringRef> keys (num_values, NULL);
|
|
std::vector<CFDictionaryRef> values (num_values, NULL);
|
|
::CFDictionaryGetKeysAndValues(plist.get(), NULL, (const void **)&values[0]);
|
|
if (num_values == 1)
|
|
{
|
|
return GetModuleSpecInfoFromUUIDDictionary (values[0], module_spec);
|
|
}
|
|
else
|
|
{
|
|
for (CFIndex i=0; i<num_values; ++i)
|
|
{
|
|
ModuleSpec curr_module_spec;
|
|
if (GetModuleSpecInfoFromUUIDDictionary (values[i], curr_module_spec))
|
|
{
|
|
if (module_spec.GetArchitecture().IsCompatibleMatch(curr_module_spec.GetArchitecture()))
|
|
{
|
|
module_spec = curr_module_spec;
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return success;
|
|
}
|
|
|