1 //===-- ThreadMinidump.cpp --------------------------------------*- C++ -*-===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
11 #include "ThreadMinidump.h"
12 #include "ProcessMinidump.h"
14 #include "RegisterContextMinidump_x86_32.h"
15 #include "RegisterContextMinidump_x86_64.h"
17 // Other libraries and framework includes
18 #include "Plugins/Process/Utility/RegisterContextLinux_i386.h"
19 #include "Plugins/Process/Utility/RegisterContextLinux_x86_64.h"
20 #include "Plugins/Process/elf-core/RegisterContextPOSIXCore_x86_64.h"
21 #include "Plugins/Process/elf-core/RegisterUtilities.h"
23 #include "lldb/Target/RegisterContext.h"
24 #include "lldb/Target/StopInfo.h"
25 #include "lldb/Target/Target.h"
26 #include "lldb/Target/Unwind.h"
27 #include "lldb/Utility/DataExtractor.h"
28 #include "lldb/Utility/Log.h"
34 using namespace lldb_private;
35 using namespace minidump;
37 ThreadMinidump::ThreadMinidump(Process &process, const MinidumpThread &td,
38 llvm::ArrayRef<uint8_t> gpregset_data)
39 : Thread(process, td.thread_id), m_thread_reg_ctx_sp(),
40 m_gpregset_data(gpregset_data) {}
42 ThreadMinidump::~ThreadMinidump() {}
44 void ThreadMinidump::RefreshStateAfterStop() {}
46 RegisterContextSP ThreadMinidump::GetRegisterContext() {
47 if (!m_reg_context_sp) {
48 m_reg_context_sp = CreateRegisterContextForFrame(nullptr);
50 return m_reg_context_sp;
54 ThreadMinidump::CreateRegisterContextForFrame(StackFrame *frame) {
55 RegisterContextSP reg_ctx_sp;
56 uint32_t concrete_frame_idx = 0;
57 Log *log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_THREAD));
60 concrete_frame_idx = frame->GetConcreteFrameIndex();
62 if (concrete_frame_idx == 0) {
63 if (m_thread_reg_ctx_sp)
64 return m_thread_reg_ctx_sp;
66 ProcessMinidump *process =
67 static_cast<ProcessMinidump *>(GetProcess().get());
68 ArchSpec arch = process->GetArchitecture();
69 RegisterInfoInterface *reg_interface = nullptr;
71 // TODO write other register contexts and add them here
72 switch (arch.GetMachine()) {
73 case llvm::Triple::x86: {
74 reg_interface = new RegisterContextLinux_i386(arch);
75 lldb::DataBufferSP buf =
76 ConvertMinidumpContext_x86_32(m_gpregset_data, reg_interface);
77 DataExtractor gpregset(buf, lldb::eByteOrderLittle, 4);
78 m_thread_reg_ctx_sp.reset(new RegisterContextCorePOSIX_x86_64(
79 *this, reg_interface, gpregset, {}));
82 case llvm::Triple::x86_64: {
83 reg_interface = new RegisterContextLinux_x86_64(arch);
84 lldb::DataBufferSP buf =
85 ConvertMinidumpContext_x86_64(m_gpregset_data, reg_interface);
86 DataExtractor gpregset(buf, lldb::eByteOrderLittle, 8);
87 m_thread_reg_ctx_sp.reset(new RegisterContextCorePOSIX_x86_64(
88 *this, reg_interface, gpregset, {}));
97 log->Printf("elf-core::%s:: Architecture(%d) not supported",
98 __FUNCTION__, arch.GetMachine());
99 assert(false && "Architecture not supported");
102 reg_ctx_sp = m_thread_reg_ctx_sp;
103 } else if (m_unwinder_ap) {
104 reg_ctx_sp = m_unwinder_ap->CreateRegisterContextForFrame(frame);
110 bool ThreadMinidump::CalculateStopInfo() { return false; }