forked from OSchip/llvm-project
880 lines
29 KiB
C++
880 lines
29 KiB
C++
//===-- Address.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/Core/Address.h"
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#include "lldb/Core/Module.h"
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#include "lldb/Core/Section.h"
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#include "lldb/Symbol/ObjectFile.h"
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#include "lldb/Target/ExecutionContext.h"
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#include "lldb/Target/Process.h"
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#include "lldb/Target/Target.h"
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#include "llvm/ADT/Triple.h"
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using namespace lldb;
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using namespace lldb_private;
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static size_t
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ReadBytes (ExecutionContextScope *exe_scope, const Address &address, void *dst, size_t dst_len)
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{
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if (exe_scope == NULL)
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return 0;
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Target *target = exe_scope->CalculateTarget();
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if (target)
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{
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Error error;
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bool prefer_file_cache = false;
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return target->ReadMemory (address, prefer_file_cache, dst, dst_len, error);
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}
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return 0;
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}
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static bool
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GetByteOrderAndAddressSize (ExecutionContextScope *exe_scope, const Address &address, ByteOrder& byte_order, uint32_t& addr_size)
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{
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byte_order = eByteOrderInvalid;
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addr_size = 0;
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if (exe_scope == NULL)
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return false;
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Target *target = exe_scope->CalculateTarget();
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if (target)
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{
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byte_order = target->GetArchitecture().GetByteOrder();
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addr_size = target->GetArchitecture().GetAddressByteSize();
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}
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if (byte_order == eByteOrderInvalid || addr_size == 0)
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{
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Module *module = address.GetModule();
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if (module)
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{
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byte_order = module->GetArchitecture().GetByteOrder();
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addr_size = module->GetArchitecture().GetAddressByteSize();
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}
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}
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return byte_order != eByteOrderInvalid && addr_size != 0;
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}
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static uint64_t
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ReadUIntMax64 (ExecutionContextScope *exe_scope, const Address &address, uint32_t byte_size, bool &success)
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{
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uint64_t uval64 = 0;
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if (exe_scope == NULL || byte_size > sizeof(uint64_t))
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{
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success = false;
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return 0;
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}
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uint64_t buf;
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success = ReadBytes (exe_scope, address, &buf, byte_size) == byte_size;
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if (success)
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{
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ByteOrder byte_order = eByteOrderInvalid;
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uint32_t addr_size = 0;
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if (GetByteOrderAndAddressSize (exe_scope, address, byte_order, addr_size))
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{
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DataExtractor data (&buf, sizeof(buf), byte_order, addr_size);
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uint32_t offset = 0;
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uval64 = data.GetU64(&offset);
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}
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else
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success = false;
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}
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return uval64;
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}
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static bool
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ReadAddress (ExecutionContextScope *exe_scope, const Address &address, uint32_t pointer_size, Address &deref_so_addr)
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{
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if (exe_scope == NULL)
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return false;
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bool success = false;
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addr_t deref_addr = ReadUIntMax64 (exe_scope, address, pointer_size, success);
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if (success)
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{
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ExecutionContext exe_ctx;
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exe_scope->CalculateExecutionContext(exe_ctx);
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// If we have any sections that are loaded, try and resolve using the
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// section load list
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if (exe_ctx.target && !exe_ctx.target->GetSectionLoadList().IsEmpty())
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{
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if (exe_ctx.target->GetSectionLoadList().ResolveLoadAddress (deref_addr, deref_so_addr))
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return true;
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}
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else
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{
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// If we were not running, yet able to read an integer, we must
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// have a module
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Module *module = address.GetModule();
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assert (module);
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if (module->ResolveFileAddress(deref_addr, deref_so_addr))
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return true;
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}
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// We couldn't make "deref_addr" into a section offset value, but we were
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// able to read the address, so we return a section offset address with
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// no section and "deref_addr" as the offset (address).
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deref_so_addr.SetSection(NULL);
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deref_so_addr.SetOffset(deref_addr);
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return true;
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}
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return false;
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}
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static bool
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DumpUInt (ExecutionContextScope *exe_scope, const Address &address, uint32_t byte_size, Stream* strm)
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{
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if (exe_scope == NULL || byte_size == 0)
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return 0;
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std::vector<uint8_t> buf(byte_size, 0);
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if (ReadBytes (exe_scope, address, &buf[0], buf.size()) == buf.size())
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{
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ByteOrder byte_order = eByteOrderInvalid;
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uint32_t addr_size = 0;
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if (GetByteOrderAndAddressSize (exe_scope, address, byte_order, addr_size))
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{
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DataExtractor data (&buf.front(), buf.size(), byte_order, addr_size);
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data.Dump (strm,
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0, // Start offset in "data"
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eFormatHex, // Print as characters
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buf.size(), // Size of item
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1, // Items count
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UINT32_MAX, // num per line
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LLDB_INVALID_ADDRESS,// base address
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0, // bitfield bit size
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0); // bitfield bit offset
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return true;
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}
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}
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return false;
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}
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static size_t
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ReadCStringFromMemory (ExecutionContextScope *exe_scope, const Address &address, Stream *strm)
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{
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if (exe_scope == NULL)
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return 0;
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const size_t k_buf_len = 256;
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char buf[k_buf_len+1];
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buf[k_buf_len] = '\0'; // NULL terminate
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// Byte order and address size don't matter for C string dumping..
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DataExtractor data (buf, sizeof(buf), lldb::endian::InlHostByteOrder(), 4);
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size_t total_len = 0;
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size_t bytes_read;
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Address curr_address(address);
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strm->PutChar ('"');
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while ((bytes_read = ReadBytes (exe_scope, curr_address, buf, k_buf_len)) > 0)
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{
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size_t len = strlen(buf);
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if (len == 0)
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break;
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if (len > bytes_read)
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len = bytes_read;
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data.Dump (strm,
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0, // Start offset in "data"
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eFormatChar, // Print as characters
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1, // Size of item (1 byte for a char!)
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len, // How many bytes to print?
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UINT32_MAX, // num per line
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LLDB_INVALID_ADDRESS,// base address
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0, // bitfield bit size
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0); // bitfield bit offset
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total_len += bytes_read;
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if (len < k_buf_len)
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break;
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curr_address.SetOffset (curr_address.GetOffset() + bytes_read);
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}
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strm->PutChar ('"');
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return total_len;
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}
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Address::Address (addr_t address, const SectionList * sections) :
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m_section (NULL),
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m_offset (LLDB_INVALID_ADDRESS)
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{
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ResolveAddressUsingFileSections(address, sections);
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}
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const Address&
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Address::operator= (const Address& rhs)
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{
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if (this != &rhs)
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{
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m_section = rhs.m_section;
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m_offset = rhs.m_offset;
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}
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return *this;
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}
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bool
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Address::ResolveAddressUsingFileSections (addr_t addr, const SectionList *sections)
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{
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if (sections)
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m_section = sections->FindSectionContainingFileAddress(addr).get();
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else
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m_section = NULL;
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if (m_section != NULL)
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{
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assert( m_section->ContainsFileAddress(addr) );
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m_offset = addr - m_section->GetFileAddress();
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return true; // Successfully transformed addr into a section offset address
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}
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m_offset = addr;
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return false; // Failed to resolve this address to a section offset value
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}
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Module *
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Address::GetModule () const
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{
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if (m_section)
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return m_section->GetModule();
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return NULL;
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}
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addr_t
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Address::GetFileAddress () const
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{
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if (m_section != NULL)
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{
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addr_t sect_file_addr = m_section->GetFileAddress();
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if (sect_file_addr == LLDB_INVALID_ADDRESS)
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{
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// Section isn't resolved, we can't return a valid file address
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return LLDB_INVALID_ADDRESS;
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}
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// We have a valid file range, so we can return the file based
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// address by adding the file base address to our offset
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return sect_file_addr + m_offset;
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}
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// No section, we just return the offset since it is the value in this case
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return m_offset;
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}
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addr_t
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Address::GetLoadAddress (Target *target) const
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{
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if (m_section == NULL)
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{
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// No section, we just return the offset since it is the value in this case
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return m_offset;
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}
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if (target)
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{
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addr_t sect_load_addr = m_section->GetLoadBaseAddress (target);
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if (sect_load_addr != LLDB_INVALID_ADDRESS)
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{
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// We have a valid file range, so we can return the file based
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// address by adding the file base address to our offset
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return sect_load_addr + m_offset;
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}
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}
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// The section isn't resolved or no process was supplied so we can't
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// return a valid file address.
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return LLDB_INVALID_ADDRESS;
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}
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addr_t
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Address::GetCallableLoadAddress (Target *target) const
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{
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addr_t code_addr = GetLoadAddress (target);
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if (target)
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return target->GetCallableLoadAddress (code_addr, GetAddressClass());
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return code_addr;
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}
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bool
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Address::SetCallableLoadAddress (lldb::addr_t load_addr, Target *target)
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{
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if (SetLoadAddress (load_addr, target))
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{
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if (target)
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m_offset = target->GetCallableLoadAddress(m_offset, GetAddressClass());
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return true;
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}
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return false;
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}
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addr_t
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Address::GetOpcodeLoadAddress (Target *target) const
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{
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addr_t code_addr = GetLoadAddress (target);
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if (code_addr != LLDB_INVALID_ADDRESS)
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code_addr = target->GetOpcodeLoadAddress (code_addr, GetAddressClass());
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return code_addr;
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}
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bool
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Address::SetOpcodeLoadAddress (lldb::addr_t load_addr, Target *target)
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{
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if (SetLoadAddress (load_addr, target))
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{
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if (target)
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m_offset = target->GetOpcodeLoadAddress (m_offset, GetAddressClass());
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return true;
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}
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return false;
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}
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bool
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Address::Dump (Stream *s, ExecutionContextScope *exe_scope, DumpStyle style, DumpStyle fallback_style, uint32_t addr_size) const
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{
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// If the section was NULL, only load address is going to work.
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if (m_section == NULL)
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style = DumpStyleLoadAddress;
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Target *target = NULL;
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Process *process = NULL;
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if (exe_scope)
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{
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target = exe_scope->CalculateTarget();
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process = exe_scope->CalculateProcess();
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}
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// If addr_byte_size is UINT32_MAX, then determine the correct address
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// byte size for the process or default to the size of addr_t
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if (addr_size == UINT32_MAX)
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{
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if (process)
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addr_size = target->GetArchitecture().GetAddressByteSize ();
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else
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addr_size = sizeof(addr_t);
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}
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Address so_addr;
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switch (style)
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{
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case DumpStyleInvalid:
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return false;
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case DumpStyleSectionNameOffset:
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if (m_section != NULL)
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{
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m_section->DumpName(s);
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s->Printf (" + %llu", m_offset);
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}
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else
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{
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s->Address(m_offset, addr_size);
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}
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break;
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case DumpStyleSectionPointerOffset:
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s->Printf("(Section *)%.*p + ", (int)sizeof(void*) * 2, m_section);
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s->Address(m_offset, addr_size);
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break;
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case DumpStyleModuleWithFileAddress:
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if (m_section)
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s->Printf("%s[", m_section->GetModule()->GetFileSpec().GetFilename().AsCString());
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// Fall through
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case DumpStyleFileAddress:
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{
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addr_t file_addr = GetFileAddress();
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if (file_addr == LLDB_INVALID_ADDRESS)
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{
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if (fallback_style != DumpStyleInvalid)
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return Dump (s, exe_scope, fallback_style, DumpStyleInvalid, addr_size);
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return false;
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}
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s->Address (file_addr, addr_size);
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if (style == DumpStyleModuleWithFileAddress && m_section)
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s->PutChar(']');
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}
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break;
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case DumpStyleLoadAddress:
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{
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addr_t load_addr = GetLoadAddress (target);
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if (load_addr == LLDB_INVALID_ADDRESS)
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{
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if (fallback_style != DumpStyleInvalid)
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return Dump (s, exe_scope, fallback_style, DumpStyleInvalid, addr_size);
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return false;
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}
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s->Address (load_addr, addr_size);
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}
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break;
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case DumpStyleResolvedDescription:
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case DumpStyleResolvedDescriptionNoModule:
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if (IsSectionOffset())
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{
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AddressType addr_type = eAddressTypeLoad;
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addr_t addr = GetLoadAddress (target);
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if (addr == LLDB_INVALID_ADDRESS)
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{
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addr = GetFileAddress();
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addr_type = eAddressTypeFile;
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}
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uint32_t pointer_size = 4;
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Module *module = GetModule();
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if (target)
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pointer_size = target->GetArchitecture().GetAddressByteSize();
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else if (module)
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pointer_size = module->GetArchitecture().GetAddressByteSize();
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bool showed_info = false;
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const Section *section = GetSection();
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if (section)
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{
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SectionType sect_type = section->GetType();
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switch (sect_type)
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{
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case eSectionTypeData:
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if (module)
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{
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ObjectFile *objfile = module->GetObjectFile();
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if (objfile)
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{
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Symtab *symtab = objfile->GetSymtab();
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if (symtab)
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{
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const addr_t file_Addr = GetFileAddress();
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Symbol *symbol = symtab->FindSymbolContainingFileAddress (file_Addr);
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if (symbol)
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{
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const char *symbol_name = symbol->GetName().AsCString();
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if (symbol_name)
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{
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s->PutCString(symbol_name);
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addr_t delta = file_Addr - symbol->GetAddressRangePtr()->GetBaseAddress().GetFileAddress();
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if (delta)
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s->Printf(" + %llu", delta);
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showed_info = true;
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}
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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 eSectionTypeDataCString:
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// Read the C string from memory and display it
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showed_info = true;
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ReadCStringFromMemory (exe_scope, *this, s);
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break;
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case eSectionTypeDataCStringPointers:
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{
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if (ReadAddress (exe_scope, *this, pointer_size, so_addr))
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{
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#if VERBOSE_OUTPUT
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s->PutCString("(char *)");
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so_addr.Dump(s, exe_scope, DumpStyleLoadAddress, DumpStyleFileAddress);
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s->PutCString(": ");
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#endif
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showed_info = true;
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ReadCStringFromMemory (exe_scope, so_addr, s);
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}
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}
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break;
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case eSectionTypeDataObjCMessageRefs:
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{
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if (ReadAddress (exe_scope, *this, pointer_size, so_addr))
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{
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if (target && so_addr.IsSectionOffset())
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{
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SymbolContext func_sc;
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target->GetImages().ResolveSymbolContextForAddress (so_addr,
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eSymbolContextEverything,
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func_sc);
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if (func_sc.function || func_sc.symbol)
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{
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showed_info = true;
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#if VERBOSE_OUTPUT
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s->PutCString ("(objc_msgref *) -> { (func*)");
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so_addr.Dump(s, exe_scope, DumpStyleLoadAddress, DumpStyleFileAddress);
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#else
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s->PutCString ("{ ");
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#endif
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Address cstr_addr(*this);
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cstr_addr.SetOffset(cstr_addr.GetOffset() + pointer_size);
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func_sc.DumpStopContext(s, exe_scope, so_addr, true, true, false);
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if (ReadAddress (exe_scope, cstr_addr, pointer_size, so_addr))
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{
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#if VERBOSE_OUTPUT
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s->PutCString("), (char *)");
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so_addr.Dump(s, exe_scope, DumpStyleLoadAddress, DumpStyleFileAddress);
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s->PutCString(" (");
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#else
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s->PutCString(", ");
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#endif
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ReadCStringFromMemory (exe_scope, so_addr, s);
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}
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#if VERBOSE_OUTPUT
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s->PutCString(") }");
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#else
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s->PutCString(" }");
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#endif
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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 eSectionTypeDataObjCCFStrings:
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{
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Address cfstring_data_addr(*this);
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cfstring_data_addr.SetOffset(cfstring_data_addr.GetOffset() + (2 * pointer_size));
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if (ReadAddress (exe_scope, cfstring_data_addr, pointer_size, so_addr))
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{
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#if VERBOSE_OUTPUT
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s->PutCString("(CFString *) ");
|
|
cfstring_data_addr.Dump(s, exe_scope, DumpStyleLoadAddress, DumpStyleFileAddress);
|
|
s->PutCString(" -> @");
|
|
#else
|
|
s->PutChar('@');
|
|
#endif
|
|
if (so_addr.Dump(s, exe_scope, DumpStyleResolvedDescription))
|
|
showed_info = true;
|
|
}
|
|
}
|
|
break;
|
|
|
|
case eSectionTypeData4:
|
|
// Read the 4 byte data and display it
|
|
showed_info = true;
|
|
s->PutCString("(uint32_t) ");
|
|
DumpUInt (exe_scope, *this, 4, s);
|
|
break;
|
|
|
|
case eSectionTypeData8:
|
|
// Read the 8 byte data and display it
|
|
showed_info = true;
|
|
s->PutCString("(uint64_t) ");
|
|
DumpUInt (exe_scope, *this, 8, s);
|
|
break;
|
|
|
|
case eSectionTypeData16:
|
|
// Read the 16 byte data and display it
|
|
showed_info = true;
|
|
s->PutCString("(uint128_t) ");
|
|
DumpUInt (exe_scope, *this, 16, s);
|
|
break;
|
|
|
|
case eSectionTypeDataPointers:
|
|
// Read the pointer data and display it
|
|
{
|
|
if (ReadAddress (exe_scope, *this, pointer_size, so_addr))
|
|
{
|
|
s->PutCString ("(void *)");
|
|
so_addr.Dump(s, exe_scope, DumpStyleLoadAddress, DumpStyleFileAddress);
|
|
|
|
showed_info = true;
|
|
if (so_addr.IsSectionOffset())
|
|
{
|
|
SymbolContext pointer_sc;
|
|
if (target)
|
|
{
|
|
target->GetImages().ResolveSymbolContextForAddress (so_addr,
|
|
eSymbolContextEverything,
|
|
pointer_sc);
|
|
if (pointer_sc.function || pointer_sc.symbol)
|
|
{
|
|
s->PutCString(": ");
|
|
pointer_sc.DumpStopContext(s, exe_scope, so_addr, true, false, false);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
if (!showed_info)
|
|
{
|
|
if (module)
|
|
{
|
|
SymbolContext sc;
|
|
module->ResolveSymbolContextForAddress(*this, eSymbolContextEverything, sc);
|
|
if (sc.function || sc.symbol)
|
|
{
|
|
bool show_stop_context = true;
|
|
const bool show_module = (style == DumpStyleResolvedDescription);
|
|
const bool show_fullpaths = false;
|
|
const bool show_inlined_frames = true;
|
|
if (sc.function == NULL && sc.symbol != NULL)
|
|
{
|
|
// If we have just a symbol make sure it is in the right section
|
|
if (sc.symbol->GetAddressRangePtr())
|
|
{
|
|
if (sc.symbol->GetAddressRangePtr()->GetBaseAddress().GetSection() != GetSection())
|
|
{
|
|
// don't show the module if the symbol is a trampoline symbol
|
|
show_stop_context = false;
|
|
}
|
|
}
|
|
}
|
|
if (show_stop_context)
|
|
{
|
|
// We have a function or a symbol from the same
|
|
// sections as this address.
|
|
sc.DumpStopContext (s,
|
|
exe_scope,
|
|
*this,
|
|
show_fullpaths,
|
|
show_module,
|
|
show_inlined_frames);
|
|
}
|
|
else
|
|
{
|
|
// We found a symbol but it was in a different
|
|
// section so it isn't the symbol we should be
|
|
// showing, just show the section name + offset
|
|
Dump (s, exe_scope, DumpStyleSectionNameOffset);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (fallback_style != DumpStyleInvalid)
|
|
return Dump (s, exe_scope, fallback_style, DumpStyleInvalid, addr_size);
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
case DumpStyleDetailedSymbolContext:
|
|
if (IsSectionOffset())
|
|
{
|
|
Module *module = GetModule();
|
|
if (module)
|
|
{
|
|
SymbolContext sc;
|
|
module->ResolveSymbolContextForAddress(*this, eSymbolContextEverything, sc);
|
|
if (sc.symbol)
|
|
{
|
|
// If we have just a symbol make sure it is in the same section
|
|
// as our address. If it isn't, then we might have just found
|
|
// the last symbol that came before the address that we are
|
|
// looking up that has nothing to do with our address lookup.
|
|
if (sc.symbol->GetAddressRangePtr() && sc.symbol->GetAddressRangePtr()->GetBaseAddress().GetSection() != GetSection())
|
|
sc.symbol = NULL;
|
|
}
|
|
sc.GetDescription(s, eDescriptionLevelBrief, target);
|
|
}
|
|
}
|
|
if (fallback_style != DumpStyleInvalid)
|
|
return Dump (s, exe_scope, fallback_style, DumpStyleInvalid, addr_size);
|
|
return false;
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
Address::CalculateSymbolContext (SymbolContext *sc)
|
|
{
|
|
sc->Clear();
|
|
// Absolute addresses don't have enough information to reconstruct even their target.
|
|
if (m_section == NULL)
|
|
return;
|
|
|
|
if (m_section->GetModule())
|
|
{
|
|
sc->module_sp = m_section->GetModule()->GetSP();
|
|
if (sc->module_sp)
|
|
sc->module_sp->ResolveSymbolContextForAddress (*this, eSymbolContextEverything, *sc);
|
|
}
|
|
}
|
|
|
|
int
|
|
Address::CompareFileAddress (const Address& a, const Address& b)
|
|
{
|
|
addr_t a_file_addr = a.GetFileAddress();
|
|
addr_t b_file_addr = b.GetFileAddress();
|
|
if (a_file_addr < b_file_addr)
|
|
return -1;
|
|
if (a_file_addr > b_file_addr)
|
|
return +1;
|
|
return 0;
|
|
}
|
|
|
|
|
|
int
|
|
Address::CompareLoadAddress (const Address& a, const Address& b, Target *target)
|
|
{
|
|
assert (target != NULL);
|
|
addr_t a_load_addr = a.GetLoadAddress (target);
|
|
addr_t b_load_addr = b.GetLoadAddress (target);
|
|
if (a_load_addr < b_load_addr)
|
|
return -1;
|
|
if (a_load_addr > b_load_addr)
|
|
return +1;
|
|
return 0;
|
|
}
|
|
|
|
int
|
|
Address::CompareModulePointerAndOffset (const Address& a, const Address& b)
|
|
{
|
|
Module *a_module = a.GetModule ();
|
|
Module *b_module = b.GetModule ();
|
|
if (a_module < b_module)
|
|
return -1;
|
|
if (a_module > b_module)
|
|
return +1;
|
|
// Modules are the same, just compare the file address since they should
|
|
// be unique
|
|
addr_t a_file_addr = a.GetFileAddress();
|
|
addr_t b_file_addr = b.GetFileAddress();
|
|
if (a_file_addr < b_file_addr)
|
|
return -1;
|
|
if (a_file_addr > b_file_addr)
|
|
return +1;
|
|
return 0;
|
|
}
|
|
|
|
|
|
size_t
|
|
Address::MemorySize () const
|
|
{
|
|
// Noting special for the memory size of a single Address object,
|
|
// it is just the size of itself.
|
|
return sizeof(Address);
|
|
}
|
|
|
|
|
|
//----------------------------------------------------------------------
|
|
// NOTE: Be careful using this operator. It can correctly compare two
|
|
// addresses from the same Module correctly. It can't compare two
|
|
// addresses from different modules in any meaningful way, but it will
|
|
// compare the module pointers.
|
|
//
|
|
// To sum things up:
|
|
// - works great for addresses within the same module
|
|
// - it works for addresses across multiple modules, but don't expect the
|
|
// address results to make much sense
|
|
//
|
|
// This basically lets Address objects be used in ordered collection
|
|
// classes.
|
|
//----------------------------------------------------------------------
|
|
|
|
bool
|
|
lldb_private::operator< (const Address& lhs, const Address& rhs)
|
|
{
|
|
Module *lhs_module = lhs.GetModule();
|
|
Module *rhs_module = rhs.GetModule();
|
|
if (lhs_module == rhs_module)
|
|
{
|
|
// Addresses are in the same module, just compare the file addresses
|
|
return lhs.GetFileAddress() < rhs.GetFileAddress();
|
|
}
|
|
else
|
|
{
|
|
// The addresses are from different modules, just use the module
|
|
// pointer value to get consistent ordering
|
|
return lhs_module < rhs_module;
|
|
}
|
|
}
|
|
|
|
bool
|
|
lldb_private::operator> (const Address& lhs, const Address& rhs)
|
|
{
|
|
Module *lhs_module = lhs.GetModule();
|
|
Module *rhs_module = rhs.GetModule();
|
|
if (lhs_module == rhs_module)
|
|
{
|
|
// Addresses are in the same module, just compare the file addresses
|
|
return lhs.GetFileAddress() > rhs.GetFileAddress();
|
|
}
|
|
else
|
|
{
|
|
// The addresses are from different modules, just use the module
|
|
// pointer value to get consistent ordering
|
|
return lhs_module > rhs_module;
|
|
}
|
|
}
|
|
|
|
|
|
// The operator == checks for exact equality only (same section, same offset)
|
|
bool
|
|
lldb_private::operator== (const Address& a, const Address& rhs)
|
|
{
|
|
return a.GetSection() == rhs.GetSection() &&
|
|
a.GetOffset() == rhs.GetOffset();
|
|
}
|
|
// The operator != checks for exact inequality only (differing section, or
|
|
// different offset)
|
|
bool
|
|
lldb_private::operator!= (const Address& a, const Address& rhs)
|
|
{
|
|
return a.GetSection() != rhs.GetSection() ||
|
|
a.GetOffset() != rhs.GetOffset();
|
|
}
|
|
|
|
bool
|
|
Address::IsLinkedAddress () const
|
|
{
|
|
return m_section && m_section->GetLinkedSection();
|
|
}
|
|
|
|
|
|
void
|
|
Address::ResolveLinkedAddress ()
|
|
{
|
|
if (m_section)
|
|
{
|
|
const Section *linked_section = m_section->GetLinkedSection();
|
|
if (linked_section)
|
|
{
|
|
m_offset += m_section->GetLinkedOffset();
|
|
m_section = linked_section;
|
|
}
|
|
}
|
|
}
|
|
|
|
AddressClass
|
|
Address::GetAddressClass () const
|
|
{
|
|
Module *module = GetModule();
|
|
if (module)
|
|
{
|
|
ObjectFile *obj_file = module->GetObjectFile();
|
|
if (obj_file)
|
|
return obj_file->GetAddressClass (GetFileAddress());
|
|
}
|
|
return eAddressClassUnknown;
|
|
}
|
|
|
|
bool
|
|
Address::SetLoadAddress (lldb::addr_t load_addr, Target *target)
|
|
{
|
|
if (target && target->GetSectionLoadList().ResolveLoadAddress(load_addr, *this))
|
|
return true;
|
|
m_section = NULL;
|
|
m_offset = load_addr;
|
|
return false;
|
|
}
|
|
|