Skip to content

[lldb] Get the SDK path from CompileUnit on Linux #11231

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Draft
wants to merge 1 commit into
base: next
Choose a base branch
from
Draft

[lldb] Get the SDK path from CompileUnit on Linux #11231

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
22 changes: 22 additions & 0 deletions lldb/source/Plugins/Platform/Linux/PlatformLinux.cpp
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,7 @@
#include "Plugins/Process/Utility/LinuxSignals.h"
#include "Utility/ARM64_DWARF_Registers.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Core/Module.h"
#include "lldb/Core/PluginManager.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Symbol/UnwindPlan.h"
Expand All @@ -28,6 +29,9 @@
#include "lldb/Utility/State.h"
#include "lldb/Utility/Status.h"
#include "lldb/Utility/StreamString.h"
#include "lldb/Symbol/SymbolFile.h"
#include "lldb/Symbol/CompileUnit.h"
#include "lldb/Utility/XcodeSDK.h"

// Define these constants from Linux mman.h for use when targeting remote linux
// systems even when host has different values.
Expand Down Expand Up @@ -601,3 +605,21 @@ lldb::StopInfoSP PlatformLinux::GetStopInfoFromSiginfo(Thread &thread) {
thread, signo_sp->GetValueAsUnsigned(-1), siginfo_description.c_str(),
sicode_sp->GetValueAsUnsigned(0));
}

llvm::Expected<XcodeSDK>
PlatformLinux::GetSDKPathFromDebugInfo(CompileUnit &unit) {
ModuleSP module_sp = unit.CalculateSymbolContextModule();
if (!module_sp)
return llvm::createStringError("compile unit has no module");

SymbolFile *sym_file = module_sp->GetSymbolFile();
if (!sym_file)
return llvm::createStringError(
llvm::formatv("No symbol file available for module '{0}'",
module_sp->GetFileSpec().GetFilename()));

// For Linux, we don't have Xcode SDKs, but we can try to extract
// system library paths from debug info. This is particularly useful
// for Swift runtime libraries.
return sym_file->ParseXcodeSDK(unit);
}
2 changes: 2 additions & 0 deletions lldb/source/Plugins/Platform/Linux/PlatformLinux.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -64,6 +64,8 @@ class PlatformLinux : public PlatformPOSIX {

lldb::StopInfoSP GetStopInfoFromSiginfo(Thread &thread) override;

llvm::Expected<XcodeSDK> GetSDKPathFromDebugInfo(CompileUnit &unit) override;

std::vector<ArchSpec> m_supported_architectures;

private:
Expand Down