UnwindAssemblyInstEmulation.cpp revision 888a7334344778d1a4edbd58b5852ae4d53ffed9
1f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton//===-- UnwindAssemblyInstEmulation.cpp --------------------------*- C++ -*-===// 2f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton// 3f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton// The LLVM Compiler Infrastructure 4f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton// 5f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton// This file is distributed under the University of Illinois Open Source 6f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton// License. See LICENSE.TXT for details. 7f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton// 8f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton//===----------------------------------------------------------------------===// 9f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 10f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton#include "UnwindAssemblyInstEmulation.h" 11f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 12f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton#include "llvm-c/EnhancedDisassembly.h" 13f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 14f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton#include "lldb/Core/Address.h" 15f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton#include "lldb/Core/ArchSpec.h" 16888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton#include "lldb/Core/DataBufferHeap.h" 17888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton#include "lldb/Core/Disassembler.h" 18888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton#include "lldb/Core/Error.h" 19f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton#include "lldb/Core/PluginManager.h" 20888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton#include "lldb/Core/StreamFile.h" 21f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton#include "lldb/Target/ExecutionContext.h" 22f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton#include "lldb/Target/Process.h" 23f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton#include "lldb/Target/Thread.h" 24f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton#include "lldb/Target/Target.h" 25f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 26f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonusing namespace lldb; 27f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonusing namespace lldb_private; 28f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 29f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 30f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 31f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton//----------------------------------------------------------------------------------------------- 32f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton// UnwindAssemblyParser_x86 method definitions 33f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton//----------------------------------------------------------------------------------------------- 34f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 35f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonbool 36888a7334344778d1a4edbd58b5852ae4d53ffed9Greg ClaytonUnwindAssemblyInstEmulation::GetNonCallSiteUnwindPlanFromAssembly (AddressRange& range, 37888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton Thread& thread, 38888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton UnwindPlan& unwind_plan) 39f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton{ 40888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton#if 0 41888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton UnwindPlan::Row row; 42888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton UnwindPlan::Row::RegisterLocation regloc; 43888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 44888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton m_unwind_plan_sp->SetRegisterKind (eRegisterKindGeneric); 45888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton row.SetCFARegister (LLDB_REGNUM_GENERIC_FP); 46888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton row.SetCFAOffset (2 * 8); 47888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton row.SetOffset (0); 48888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 49888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton regloc.SetAtCFAPlusOffset (2 * -8); 50888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton row.SetRegisterInfo (LLDB_REGNUM_GENERIC_FP, regloc); 51888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton regloc.SetAtCFAPlusOffset (1 * -8); 52888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton row.SetRegisterInfo (LLDB_REGNUM_GENERIC_PC, regloc); 53888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton regloc.SetIsCFAPlusOffset (0); 54888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton row.SetRegisterInfo (LLDB_REGNUM_GENERIC_SP, regloc); 55888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 56888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton m_unwind_plan_sp->AppendRow (row); 57888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton m_unwind_plan_sp->SetSourceName ("x86_64 architectural default"); 58888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton#endif 59888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 60888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton if (range.GetByteSize() > 0 && 61888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton range.GetBaseAddress().IsValid() && 62888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton m_inst_emulator_ap.get()) 63888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton { 64888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton#if 0 65888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton Target &target = thread.GetProcess().GetTarget(); 66888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const ArchSpec &target_arch = target.GetArchitecture(); 67888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton bool prefer_file_cache = true; 68888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton Error error; 69888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton DataBufferHeap data_buffer (range.GetByteSize(), 0); 70888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton if (target.ReadMemory (range.GetBaseAddress(), 71888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton prefer_file_cache, 72888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton data_buffer.GetBytes(), 73888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton data_buffer.GetByteSize(), 74888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton error) == data_buffer.GetByteSize()) 75888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton { 76888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton DataExtractor data (data_buffer.GetBytes(), 77888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton data_buffer.GetByteSize(), 78888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton target_arch.GetByteOrder(), 79888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton target_arch.GetAddressByteSize()); 80888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton } 81888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton#endif 82888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton StreamFile strm (stdout, false); 83888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 84888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton ExecutionContext exe_ctx; 85888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton thread.CalculateExecutionContext(exe_ctx); 86888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton DisassemblerSP disasm_sp (Disassembler::DisassembleRange (m_arch, 87888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton NULL, 88888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton exe_ctx, 89888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton range)); 90888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton if (disasm_sp) 91888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton { 92888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 93888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton m_range_ptr = ⦥ 94888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton m_thread_ptr = &thread; 95888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton m_unwind_plan_ptr = &unwind_plan; 96888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 97888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const uint32_t addr_byte_size = m_arch.GetAddressByteSize(); 98888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const bool show_address = true; 99888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const bool show_bytes = true; 100888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const bool raw = false; 101888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton // Initialize the stack pointer with a known value. In the 32 bit case 102888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton // it will be 0x80000000, and in the 64 bit case 0x8000000000000000. 103888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton // We use the address byte size to be safe for any future addresss sizes 104888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton SetRegisterValue (eRegisterKindGeneric, LLDB_REGNUM_GENERIC_SP, (1ull << ((addr_byte_size * 8) - 1))); 105888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 106888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const InstructionList &inst_list = disasm_sp->GetInstructionList (); 107888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const size_t num_instructions = inst_list.GetSize(); 108888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton for (size_t idx=0; idx<num_instructions; ++idx) 109888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton { 110888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton Instruction *inst = inst_list.GetInstructionAtIndex (idx).get(); 111888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton if (inst) 112888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton { 113888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton inst->Dump(&strm, inst_list.GetMaxOpcocdeByteSize (), show_address, show_bytes, &exe_ctx, raw); 114888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton strm.EOL(); 115888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 116888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton m_inst_emulator_ap->SetInstruction (inst->GetOpcode(), inst->GetAddress(), exe_ctx.target); 117888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton m_inst_emulator_ap->EvaluateInstruction (eEmulateInstructionOptionIgnoreConditions); 118888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton } 119888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton } 120888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton } 121888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton } 122f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton return false; 123f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton} 124f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 125f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonbool 126888a7334344778d1a4edbd58b5852ae4d53ffed9Greg ClaytonUnwindAssemblyInstEmulation::GetFastUnwindPlan (AddressRange& func, 127888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton Thread& thread, 128888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton UnwindPlan &unwind_plan) 129f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton{ 130f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton return false; 131f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton} 132f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 133f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonbool 134888a7334344778d1a4edbd58b5852ae4d53ffed9Greg ClaytonUnwindAssemblyInstEmulation::FirstNonPrologueInsn (AddressRange& func, 135888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton Target& target, 136888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton Thread* thread, 137888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton Address& first_non_prologue_insn) 138f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton{ 139f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton return false; 140f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton} 141f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 1428badcb2503ed2e2884a48f66099c1d48494817f4Greg ClaytonUnwindAssembly * 143f6e287a873007543f3b419a71546ab8f007be90bGreg ClaytonUnwindAssemblyInstEmulation::CreateInstance (const ArchSpec &arch) 144f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton{ 145888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton std::auto_ptr<lldb_private::EmulateInstruction> inst_emulator_ap (EmulateInstruction::FindPlugin (arch, eInstructionTypePrologueEpilogue, NULL)); 146888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton // Make sure that all prologue instructions are handled 147888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton if (inst_emulator_ap.get()) 148888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton return new UnwindAssemblyInstEmulation (arch, inst_emulator_ap.release()); 149f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton return NULL; 150f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton} 151f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 152f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 153f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton//------------------------------------------------------------------ 154f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton// PluginInterface protocol in UnwindAssemblyParser_x86 155f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton//------------------------------------------------------------------ 156f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 157f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonconst char * 158f6e287a873007543f3b419a71546ab8f007be90bGreg ClaytonUnwindAssemblyInstEmulation::GetPluginName() 159f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton{ 160f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton return "UnwindAssemblyInstEmulation"; 161f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton} 162f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 163f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonconst char * 164f6e287a873007543f3b419a71546ab8f007be90bGreg ClaytonUnwindAssemblyInstEmulation::GetShortPluginName() 165f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton{ 166f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton return "unwindassembly.inst-emulation"; 167f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton} 168f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 169f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 170f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonuint32_t 171f6e287a873007543f3b419a71546ab8f007be90bGreg ClaytonUnwindAssemblyInstEmulation::GetPluginVersion() 172f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton{ 173f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton return 1; 174f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton} 175f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 176f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonvoid 177f6e287a873007543f3b419a71546ab8f007be90bGreg ClaytonUnwindAssemblyInstEmulation::Initialize() 178f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton{ 179f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton PluginManager::RegisterPlugin (GetPluginNameStatic(), 180f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton GetPluginDescriptionStatic(), 181f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton CreateInstance); 182f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton} 183f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 184f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonvoid 185f6e287a873007543f3b419a71546ab8f007be90bGreg ClaytonUnwindAssemblyInstEmulation::Terminate() 186f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton{ 187f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton PluginManager::UnregisterPlugin (CreateInstance); 188f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton} 189f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 190f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 191f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonconst char * 192f6e287a873007543f3b419a71546ab8f007be90bGreg ClaytonUnwindAssemblyInstEmulation::GetPluginNameStatic() 193f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton{ 194f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton return "UnwindAssemblyInstEmulation"; 195f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton} 196f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton 197f6e287a873007543f3b419a71546ab8f007be90bGreg Claytonconst char * 198f6e287a873007543f3b419a71546ab8f007be90bGreg ClaytonUnwindAssemblyInstEmulation::GetPluginDescriptionStatic() 199f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton{ 200f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton return "Instruction emulation based unwind information."; 201f6e287a873007543f3b419a71546ab8f007be90bGreg Clayton} 202888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 203888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 204888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 205888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Claytonsize_t 206888a7334344778d1a4edbd58b5852ae4d53ffed9Greg ClaytonUnwindAssemblyInstEmulation::ReadMemory (EmulateInstruction *instruction, 207888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton void *baton, 208888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const EmulateInstruction::Context &context, 209888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton lldb::addr_t addr, 210888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton void *dst, 211888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton size_t dst_len) 212888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton{ 213888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton //UnwindAssemblyInstEmulation *inst_emulator = (UnwindAssemblyInstEmulation *)baton; 214888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton printf ("UnwindAssemblyInstEmulation::ReadMemory (context.type = %i, context.info_type = %i, addr = 0x%16.16llx, dst = %p, dst_len = %zu)\n", 215888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton context.type, 216888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton context.info_type, 217888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton addr, 218888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton dst, 219888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton dst_len); 220888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton return dst_len; 221888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton} 222888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 223888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Claytonsize_t 224888a7334344778d1a4edbd58b5852ae4d53ffed9Greg ClaytonUnwindAssemblyInstEmulation::WriteMemory (EmulateInstruction *instruction, 225888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton void *baton, 226888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const EmulateInstruction::Context &context, 227888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton lldb::addr_t addr, 228888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const void *dst, 229888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton size_t dst_len) 230888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton{ 231888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton // UnwindAssemblyInstEmulation *inst_emulator = (UnwindAssemblyInstEmulation *)baton; 232888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 233888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton DataExtractor data (dst, 234888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton dst_len, 235888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton instruction->GetArchitecture ().GetByteOrder(), 236888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton instruction->GetArchitecture ().GetAddressByteSize()); 237888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton StreamFile strm(stdout, false); 238888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 239888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton strm.Printf ("UnwindAssemblyInstEmulation::WriteMemory (context.type = %i, context.info_type = %i, ", 240888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton context.type, 241888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton context.info_type); 242888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton data.Dump(&strm, 0, eFormatBytes, 1, dst_len, UINT32_MAX, addr, 0, 0); 243888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton strm.EOL(); 244888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton return dst_len; 245888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton} 246888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 247888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Claytonbool 248888a7334344778d1a4edbd58b5852ae4d53ffed9Greg ClaytonUnwindAssemblyInstEmulation::ReadRegister (EmulateInstruction *instruction, 249888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton void *baton, 250888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton uint32_t reg_kind, 251888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton uint32_t reg_num, 252888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton uint64_t ®_value) 253888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton{ 254888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton UnwindAssemblyInstEmulation *inst_emulator = (UnwindAssemblyInstEmulation *)baton; 255888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const char *reg_name = instruction->GetRegisterName (reg_kind, reg_num); 256888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 257888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton reg_value = inst_emulator->GetRegisterValue (reg_kind, reg_num); 258888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 259888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton printf ("UnwindAssemblyInstEmulation::ReadRegister (name = \"%s\") => value = 0x%16.16llx\n", reg_name, reg_value); 260888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 261888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton return true; 262888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton} 263888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 264888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Claytonbool 265888a7334344778d1a4edbd58b5852ae4d53ffed9Greg ClaytonUnwindAssemblyInstEmulation::WriteRegister (EmulateInstruction *instruction, 266888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton void *baton, 267888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const EmulateInstruction::Context &context, 268888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton uint32_t reg_kind, 269888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton uint32_t reg_num, 270888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton uint64_t reg_value) 271888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton{ 272888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton UnwindAssemblyInstEmulation *inst_emulator = (UnwindAssemblyInstEmulation *)baton; 273888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton const char *reg_name = instruction->GetRegisterName (reg_kind, reg_num); 274888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 275888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton printf ("UnwindAssemblyInstEmulation::WriteRegister (name = \"%s\", value = 0x%16.16llx, context.type = %i, context.info_type = %i)\n", 276888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton reg_name, 277888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton reg_value, 278888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton context.type, 279888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton context.info_type); 280888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 281888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton inst_emulator->SetRegisterValue (reg_kind, reg_num, reg_value); 282888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 283888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton switch (context.type) 284888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton { 285888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextInvalid: 286888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextReadOpcode: 287888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextImmediate: 288888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextAdjustBaseRegister: 289888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextRegisterPlusOffset: 290888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextAdjustPC: 291888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextRegisterStore: 292888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextRegisterLoad: 293888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextRelativeBranchImmediate: 294888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextAbsoluteBranchRegister: 295888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextSupervisorCall: 296888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextTableBranchReadMemory: 297888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextWriteRegisterRandomBits: 298888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextWriteMemoryRandomBits: 299888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextMultiplication: 300888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextAddition: 301888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextSubtraction: 302888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextAdvancePC: 303888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextReturnFromException: 304888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton break; 305888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 306888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextPushRegisterOnStack: 307888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton break; 308888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 309888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextPopRegisterOffStack: 310888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton break; 311888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 312888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton case EmulateInstruction::eContextAdjustStackPointer: 313888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton break; 314888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton } 315888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton return true; 316888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton} 317888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 318888a7334344778d1a4edbd58b5852ae4d53ffed9Greg Clayton 319