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path: root/lldb/source/Core/DynamicLoader.cpp
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Diffstat (limited to 'lldb/source/Core/DynamicLoader.cpp')
-rw-r--r--lldb/source/Core/DynamicLoader.cpp70
1 files changed, 14 insertions, 56 deletions
diff --git a/lldb/source/Core/DynamicLoader.cpp b/lldb/source/Core/DynamicLoader.cpp
index 1c7b9125e4d1..96e0d4ec6555 100644
--- a/lldb/source/Core/DynamicLoader.cpp
+++ b/lldb/source/Core/DynamicLoader.cpp
@@ -145,72 +145,30 @@ DynamicLoader::GetSectionListFromModule(const ModuleSP module) const {
return sections;
}
-ModuleSP DynamicLoader::LoadModuleAtAddress(const FileSpec &file,
- addr_t link_map_addr,
- addr_t base_addr,
- bool base_addr_is_offset) {
+ModuleSP DynamicLoader::FindModuleViaTarget(const FileSpec &file) {
Target &target = m_process->GetTarget();
- ModuleList &modules = target.GetImages();
ModuleSpec module_spec(file, target.GetArchitecture());
- ModuleSP module_sp;
- if ((module_sp = modules.FindFirstModule(module_spec))) {
- UpdateLoadedSections(module_sp, link_map_addr, base_addr,
- base_addr_is_offset);
+ if (ModuleSP module_sp = target.GetImages().FindFirstModule(module_spec))
return module_sp;
- }
- if ((module_sp = target.GetOrCreateModule(module_spec,
- true /* notify */))) {
- UpdateLoadedSections(module_sp, link_map_addr, base_addr,
- base_addr_is_offset);
+ if (ModuleSP module_sp = target.GetOrCreateModule(module_spec, false))
return module_sp;
- }
- bool check_alternative_file_name = true;
- if (base_addr_is_offset) {
- // Try to fetch the load address of the file from the process as we need
- // absolute load address to read the file out of the memory instead of a
- // load bias.
- bool is_loaded = false;
- lldb::addr_t load_addr;
- Status error = m_process->GetFileLoadAddress(file, is_loaded, load_addr);
- if (error.Success() && is_loaded) {
- check_alternative_file_name = false;
- base_addr = load_addr;
- }
- }
-
- // We failed to find the module based on its name. Lets try to check if we
- // can find a different name based on the memory region info.
- if (check_alternative_file_name) {
- MemoryRegionInfo memory_info;
- Status error = m_process->GetMemoryRegionInfo(base_addr, memory_info);
- if (error.Success() && memory_info.GetMapped() &&
- memory_info.GetRange().GetRangeBase() == base_addr &&
- !(memory_info.GetName().IsEmpty())) {
- ModuleSpec new_module_spec(FileSpec(memory_info.GetName().GetStringRef()),
- target.GetArchitecture());
-
- if ((module_sp = modules.FindFirstModule(new_module_spec))) {
- UpdateLoadedSections(module_sp, link_map_addr, base_addr, false);
- return module_sp;
- }
-
- if ((module_sp = target.GetOrCreateModule(new_module_spec,
- true /* notify */))) {
- UpdateLoadedSections(module_sp, link_map_addr, base_addr, false);
- return module_sp;
- }
- }
- }
+ return nullptr;
+}
- if ((module_sp = m_process->ReadModuleFromMemory(file, base_addr))) {
- UpdateLoadedSections(module_sp, link_map_addr, base_addr, false);
- target.GetImages().AppendIfNeeded(module_sp);
+ModuleSP DynamicLoader::LoadModuleAtAddress(const FileSpec &file,
+ addr_t link_map_addr,
+ addr_t base_addr,
+ bool base_addr_is_offset) {
+ if (ModuleSP module_sp = FindModuleViaTarget(file)) {
+ UpdateLoadedSections(module_sp, link_map_addr, base_addr,
+ base_addr_is_offset);
+ return module_sp;
}
- return module_sp;
+ return nullptr;
}
int64_t DynamicLoader::ReadUnsignedIntWithSizeInBytes(addr_t addr,