1//===-- ObjectFileMinidump.cpp --------------------------------------------===//
2//
3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4// See https://llvm.org/LICENSE.txt for license information.
5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6//
7//===----------------------------------------------------------------------===//
8
9#include "ObjectFileMinidump.h"
10
11#include "MinidumpFileBuilder.h"
12
13#include "lldb/Core/ModuleSpec.h"
14#include "lldb/Core/PluginManager.h"
15#include "lldb/Core/Section.h"
16#include "lldb/Target/Process.h"
17#include "lldb/Utility/LLDBLog.h"
18
19#include "llvm/Support/FileSystem.h"
20
21using namespace lldb;
22using namespace lldb_private;
23
24LLDB_PLUGIN_DEFINE(ObjectFileMinidump)
25
26void ObjectFileMinidump::Initialize() {
27 PluginManager::RegisterPlugin(
28 name: GetPluginNameStatic(), description: GetPluginDescriptionStatic(), create_callback: CreateInstance,
29 create_memory_callback: CreateMemoryInstance, get_module_specifications: GetModuleSpecifications, save_core: SaveCore);
30}
31
32void ObjectFileMinidump::Terminate() {
33 PluginManager::UnregisterPlugin(create_callback: CreateInstance);
34}
35
36ObjectFile *ObjectFileMinidump::CreateInstance(
37 const lldb::ModuleSP &module_sp, lldb::DataBufferSP data_sp,
38 lldb::offset_t data_offset, const lldb_private::FileSpec *file,
39 lldb::offset_t offset, lldb::offset_t length) {
40 return nullptr;
41}
42
43ObjectFile *ObjectFileMinidump::CreateMemoryInstance(
44 const lldb::ModuleSP &module_sp, WritableDataBufferSP data_sp,
45 const ProcessSP &process_sp, lldb::addr_t header_addr) {
46 return nullptr;
47}
48
49size_t ObjectFileMinidump::GetModuleSpecifications(
50 const lldb_private::FileSpec &file, lldb::DataBufferSP &data_sp,
51 lldb::offset_t data_offset, lldb::offset_t file_offset,
52 lldb::offset_t length, lldb_private::ModuleSpecList &specs) {
53 specs.Clear();
54 return 0;
55}
56
57bool ObjectFileMinidump::SaveCore(const lldb::ProcessSP &process_sp,
58 const lldb_private::FileSpec &outfile,
59 lldb::SaveCoreStyle &core_style,
60 lldb_private::Status &error) {
61 // Set default core style if it isn't set.
62 if (core_style == SaveCoreStyle::eSaveCoreUnspecified)
63 core_style = SaveCoreStyle::eSaveCoreStackOnly;
64
65 if (!process_sp)
66 return false;
67
68 MinidumpFileBuilder builder;
69
70 Target &target = process_sp->GetTarget();
71
72 Log *log = GetLog(mask: LLDBLog::Object);
73 error = builder.AddSystemInfo(target_triple: target.GetArchitecture().GetTriple());
74 if (error.Fail()) {
75 LLDB_LOG(log, "AddSystemInfo failed: %s", error.AsCString());
76 return false;
77 }
78
79 error = builder.AddModuleList(target);
80 if (error.Fail()) {
81 LLDB_LOG(log, "AddModuleList failed: %s", error.AsCString());
82 return false;
83 }
84
85 builder.AddMiscInfo(process_sp);
86
87 error = builder.AddThreadList(process_sp);
88 if (error.Fail()) {
89 LLDB_LOG(log, "AddThreadList failed: %s", error.AsCString());
90 return false;
91 }
92
93 // Add any exceptions but only if there are any in any threads.
94 builder.AddExceptions(process_sp);
95
96 error = builder.AddMemoryList(process_sp, core_style);
97 if (error.Fail()) {
98 LLDB_LOG(log, "AddMemoryList failed: %s", error.AsCString());
99 return false;
100 }
101
102 if (target.GetArchitecture().GetTriple().getOS() ==
103 llvm::Triple::OSType::Linux) {
104 builder.AddLinuxFileStreams(process_sp);
105 }
106
107 llvm::Expected<lldb::FileUP> maybe_core_file = FileSystem::Instance().Open(
108 file_spec: outfile, options: File::eOpenOptionWriteOnly | File::eOpenOptionCanCreate);
109 if (!maybe_core_file) {
110 error = maybe_core_file.takeError();
111 return false;
112 }
113 lldb::FileUP core_file = std::move(maybe_core_file.get());
114
115 error = builder.Dump(core_file);
116 if (error.Fail())
117 return false;
118
119 return true;
120}
121

source code of lldb/source/Plugins/ObjectFile/Minidump/ObjectFileMinidump.cpp