https://github.com/eronnen updated
https://github.com/llvm/llvm-project/pull/141426
>From 79a0a7b83360a517b090dad297ccb5a5a7849d0f Mon Sep 17 00:00:00 2001
From: Ely Ronnen <elyron...@gmail.com>
Date: Wed, 21 May 2025 23:39:56 +0200
Subject: [PATCH 1/4] Reuse creation of Source objects for assembly and normal
sources
---
lldb/tools/lldb-dap/Breakpoint.cpp | 14 +-
.../Handler/DisassembleRequestHandler.cpp | 21 +--
.../Handler/LocationsRequestHandler.cpp | 10 +-
.../Handler/StackTraceRequestHandler.cpp | 6 +-
lldb/tools/lldb-dap/JSONUtils.cpp | 123 +++++++++---------
lldb/tools/lldb-dap/JSONUtils.h | 49 ++-----
lldb/tools/lldb-dap/Protocol/ProtocolTypes.h | 2 +
7 files changed, 100 insertions(+), 125 deletions(-)
diff --git a/lldb/tools/lldb-dap/Breakpoint.cpp
b/lldb/tools/lldb-dap/Breakpoint.cpp
index 2d0fd9c9c3954..440d589b912fc 100644
--- a/lldb/tools/lldb-dap/Breakpoint.cpp
+++ b/lldb/tools/lldb-dap/Breakpoint.cpp
@@ -9,12 +9,10 @@
#include "Breakpoint.h"
#include "DAP.h"
#include "JSONUtils.h"
-#include "LLDBUtils.h"
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBBreakpointLocation.h"
#include "lldb/API/SBLineEntry.h"
#include "lldb/API/SBMutex.h"
-#include "lldb/lldb-enumerations.h"
#include "llvm/ADT/StringExtras.h"
#include <cstddef>
#include <cstdint>
@@ -66,17 +64,15 @@ protocol::Breakpoint Breakpoint::ToProtocolBreakpoint() {
"0x" + llvm::utohexstr(bp_addr.GetLoadAddress(m_bp.GetTarget()));
breakpoint.instructionReference = formatted_addr;
- lldb::StopDisassemblyType stop_disassembly_display =
- GetStopDisassemblyDisplay(m_dap.debugger);
- auto line_entry = bp_addr.GetLineEntry();
- if (!ShouldDisplayAssemblySource(line_entry, stop_disassembly_display)) {
+ auto source = CreateSource(bp_addr, m_dap.debugger);
+ if (!source.IsAssemblySource()) {
+ auto line_entry = bp_addr.GetLineEntry();
const auto line = line_entry.GetLine();
if (line != LLDB_INVALID_LINE_NUMBER)
breakpoint.line = line;
const auto column = line_entry.GetColumn();
if (column != LLDB_INVALID_COLUMN_NUMBER)
breakpoint.column = column;
- breakpoint.source = CreateSource(line_entry);
} else {
// Assembly breakpoint.
auto symbol = bp_addr.GetSymbol();
@@ -86,10 +82,10 @@ protocol::Breakpoint Breakpoint::ToProtocolBreakpoint() {
.ReadInstructions(symbol.GetStartAddress(), bp_addr, nullptr)
.GetSize() +
1;
-
- breakpoint.source = CreateAssemblySource(m_dap.target, bp_addr);
}
}
+
+ breakpoint.source = std::move(source);
}
return breakpoint;
diff --git a/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
b/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
index 1d110eac18126..49e7c788a7fb3 100644
--- a/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
+++ b/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
@@ -13,6 +13,7 @@
#include "Protocol/ProtocolTypes.h"
#include "RequestHandler.h"
#include "lldb/API/SBAddress.h"
+#include "lldb/API/SBDebugger.h"
#include "lldb/API/SBInstruction.h"
#include "lldb/API/SBTarget.h"
#include "lldb/lldb-types.h"
@@ -81,12 +82,15 @@ static lldb::SBAddress
GetDisassembleStartAddress(lldb::SBTarget target,
.GetAddress();
}
-static DisassembledInstruction ConvertSBInstructionToDisassembledInstruction(
- lldb::SBTarget &target, lldb::SBInstruction &inst, bool resolve_symbols) {
+static DisassembledInstruction
+ConvertSBInstructionToDisassembledInstruction(lldb::SBDebugger &debugger,
+ lldb::SBInstruction &inst,
+ bool resolve_symbols) {
if (!inst.IsValid())
return GetInvalidInstruction();
- auto addr = inst.GetAddress();
+ lldb::SBTarget target = debugger.GetSelectedTarget();
+ lldb::SBAddress addr = inst.GetAddress();
const auto inst_addr = addr.GetLoadAddress(target);
// FIXME: This is a workaround - this address might come from
@@ -139,15 +143,14 @@ static DisassembledInstruction
ConvertSBInstructionToDisassembledInstruction(
disassembled_inst.instruction = std::move(instruction);
+ auto source = CreateSource(addr, debugger);
auto line_entry = addr.GetLineEntry();
- // If the line number is 0 then the entry represents a compiler generated
- // location.
- if (line_entry.GetStartAddress() == addr && line_entry.IsValid() &&
+ if (!source.IsAssemblySource() && line_entry.IsValid() &&
+ line_entry.GetStartAddress() == addr && line_entry.IsValid() &&
line_entry.GetFileSpec().IsValid() && line_entry.GetLine() != 0) {
- auto source = CreateSource(line_entry);
- disassembled_inst.location = std::move(source);
+ disassembled_inst.location = std::move(source);
const auto line = line_entry.GetLine();
if (line != 0 && line != LLDB_INVALID_LINE_NUMBER)
disassembled_inst.line = line;
@@ -235,7 +238,7 @@ DisassembleRequestHandler::Run(const DisassembleArguments
&args) const {
original_address_index = i;
instructions.push_back(ConvertSBInstructionToDisassembledInstruction(
- dap.target, inst, resolve_symbols));
+ dap.debugger, inst, resolve_symbols));
}
// Check if we miss instructions at the beginning.
diff --git a/lldb/tools/lldb-dap/Handler/LocationsRequestHandler.cpp
b/lldb/tools/lldb-dap/Handler/LocationsRequestHandler.cpp
index 15109d4b8e589..29f7356f46e42 100644
--- a/lldb/tools/lldb-dap/Handler/LocationsRequestHandler.cpp
+++ b/lldb/tools/lldb-dap/Handler/LocationsRequestHandler.cpp
@@ -10,7 +10,9 @@
#include "EventHelper.h"
#include "JSONUtils.h"
#include "RequestHandler.h"
+#include "lldb/API/SBAddress.h"
#include "lldb/API/SBDeclaration.h"
+#include "lldb/API/SBLineEntry.h"
namespace lldb_dap {
@@ -122,9 +124,9 @@ void LocationsRequestHandler::operator()(
return;
}
- lldb::addr_t addr = variable.GetValueAsAddress();
- lldb::SBLineEntry line_entry =
- dap.target.ResolveLoadAddress(addr).GetLineEntry();
+ lldb::addr_t raw_addr = variable.GetValueAsAddress();
+ lldb::SBAddress addr = dap.target.ResolveLoadAddress(raw_addr);
+ lldb::SBLineEntry line_entry = addr.GetLineEntry();
if (!line_entry.IsValid()) {
response["success"] = false;
@@ -133,7 +135,7 @@ void LocationsRequestHandler::operator()(
return;
}
- body.try_emplace("source", CreateSource(line_entry.GetFileSpec()));
+ body.try_emplace("source", CreateSource(addr, dap.debugger));
if (int line = line_entry.GetLine())
body.try_emplace("line", line);
if (int column = line_entry.GetColumn())
diff --git a/lldb/tools/lldb-dap/Handler/StackTraceRequestHandler.cpp
b/lldb/tools/lldb-dap/Handler/StackTraceRequestHandler.cpp
index ff326a47d9a48..1a4e87f8035ec 100644
--- a/lldb/tools/lldb-dap/Handler/StackTraceRequestHandler.cpp
+++ b/lldb/tools/lldb-dap/Handler/StackTraceRequestHandler.cpp
@@ -9,9 +9,7 @@
#include "DAP.h"
#include "EventHelper.h"
#include "JSONUtils.h"
-#include "LLDBUtils.h"
#include "RequestHandler.h"
-#include "lldb/lldb-enumerations.h"
namespace lldb_dap {
@@ -55,8 +53,6 @@ static bool FillStackFrames(DAP &dap, lldb::SBThread &thread,
llvm::json::Array &stack_frames, int64_t &offset,
const int64_t start_frame, const int64_t levels,
const bool include_all) {
- lldb::StopDisassemblyType stop_disassembly_display =
- GetStopDisassemblyDisplay(dap.debugger);
bool reached_end_of_stack = false;
for (int64_t i = start_frame;
static_cast<int64_t>(stack_frames.size()) < levels; i++) {
@@ -74,7 +70,7 @@ static bool FillStackFrames(DAP &dap, lldb::SBThread &thread,
}
stack_frames.emplace_back(
- CreateStackFrame(frame, frame_format, stop_disassembly_display));
+ CreateStackFrame(frame, frame_format, dap.debugger));
}
if (include_all && reached_end_of_stack) {
diff --git a/lldb/tools/lldb-dap/JSONUtils.cpp
b/lldb/tools/lldb-dap/JSONUtils.cpp
index c9c6f4554c325..318f493f26e2f 100644
--- a/lldb/tools/lldb-dap/JSONUtils.cpp
+++ b/lldb/tools/lldb-dap/JSONUtils.cpp
@@ -497,34 +497,33 @@ static std::string GetLoadAddressString(const
lldb::addr_t addr) {
return result;
}
-protocol::Source CreateSource(const lldb::SBFileSpec &file) {
- protocol::Source source;
- if (file.IsValid()) {
- const char *name = file.GetFilename();
- if (name)
- source.name = name;
- char path[PATH_MAX] = "";
- if (file.GetPath(path, sizeof(path)) &&
- lldb::SBFileSpec::ResolvePath(path, path, PATH_MAX))
- source.path = path;
- }
- return source;
-}
+static bool ShouldDisplayAssemblySource(
+ lldb::SBAddress address,
+ lldb::StopDisassemblyType stop_disassembly_display) {
+ if (stop_disassembly_display == lldb::eStopDisassemblyTypeNever)
+ return false;
-protocol::Source CreateSource(const lldb::SBLineEntry &line_entry) {
- return CreateSource(line_entry.GetFileSpec());
-}
+ if (stop_disassembly_display == lldb::eStopDisassemblyTypeAlways)
+ return true;
-protocol::Source CreateSource(llvm::StringRef source_path) {
- protocol::Source source;
- llvm::StringRef name = llvm::sys::path::filename(source_path);
- source.name = name;
- source.path = source_path;
- return source;
+ // A line entry of 0 indicates the line is compiler generated i.e. no source
+ // file is associated with the frame.
+ auto line_entry = address.GetLineEntry();
+ auto file_spec = line_entry.GetFileSpec();
+ if (!file_spec.IsValid() || line_entry.GetLine() == 0 ||
+ line_entry.GetLine() == LLDB_INVALID_LINE_NUMBER)
+ return true;
+
+ if (stop_disassembly_display == lldb::eStopDisassemblyTypeNoSource &&
+ !file_spec.Exists()) {
+ return true;
+ }
+
+ return false;
}
-protocol::Source CreateAssemblySource(const lldb::SBTarget &target,
- lldb::SBAddress &address) {
+static protocol::Source CreateAssemblySource(const lldb::SBTarget &target,
+ lldb::SBAddress address) {
protocol::Source source;
auto symbol = address.GetSymbol();
@@ -558,28 +557,36 @@ protocol::Source CreateAssemblySource(const
lldb::SBTarget &target,
return source;
}
-bool ShouldDisplayAssemblySource(
- const lldb::SBLineEntry &line_entry,
- lldb::StopDisassemblyType stop_disassembly_display) {
- if (stop_disassembly_display == lldb::eStopDisassemblyTypeNever)
- return false;
-
- if (stop_disassembly_display == lldb::eStopDisassemblyTypeAlways)
- return true;
+protocol::Source CreateSource(const lldb::SBFileSpec &file) {
+ protocol::Source source;
+ if (file.IsValid()) {
+ const char *name = file.GetFilename();
+ if (name)
+ source.name = name;
+ char path[PATH_MAX] = "";
+ if (file.GetPath(path, sizeof(path)) &&
+ lldb::SBFileSpec::ResolvePath(path, path, PATH_MAX))
+ source.path = path;
+ }
+ return source;
+}
- // A line entry of 0 indicates the line is compiler generated i.e. no source
- // file is associated with the frame.
- auto file_spec = line_entry.GetFileSpec();
- if (!file_spec.IsValid() || line_entry.GetLine() == 0 ||
- line_entry.GetLine() == LLDB_INVALID_LINE_NUMBER)
- return true;
+protocol::Source CreateSource(lldb::SBAddress address,
+ lldb::SBDebugger &debugger) {
+ lldb::StopDisassemblyType stop_disassembly_display =
+ GetStopDisassemblyDisplay(debugger);
+ if (!ShouldDisplayAssemblySource(address, stop_disassembly_display))
+ return CreateSource(address.GetLineEntry().GetFileSpec());
- if (stop_disassembly_display == lldb::eStopDisassemblyTypeNoSource &&
- !file_spec.Exists()) {
- return true;
- }
+ return CreateAssemblySource(debugger.GetSelectedTarget(), address);
+}
- return false;
+protocol::Source CreateSource(llvm::StringRef source_path) {
+ protocol::Source source;
+ llvm::StringRef name = llvm::sys::path::filename(source_path);
+ source.name = name;
+ source.path = source_path;
+ return source;
}
// "StackFrame": {
@@ -643,9 +650,8 @@ bool ShouldDisplayAssemblySource(
// },
// "required": [ "id", "name", "line", "column" ]
// }
-llvm::json::Value
-CreateStackFrame(lldb::SBFrame &frame, lldb::SBFormat &format,
- lldb::StopDisassemblyType stop_disassembly_display) {
+llvm::json::Value CreateStackFrame(lldb::SBFrame &frame, lldb::SBFormat
&format,
+ lldb::SBDebugger &debugger) {
llvm::json::Object object;
int64_t frame_id = MakeDAPFrameID(frame);
object.try_emplace("id", frame_id);
@@ -673,22 +679,17 @@ CreateStackFrame(lldb::SBFrame &frame, lldb::SBFormat
&format,
EmplaceSafeString(object, "name", frame_name);
- auto line_entry = frame.GetLineEntry();
- if (!ShouldDisplayAssemblySource(line_entry, stop_disassembly_display)) {
- object.try_emplace("source", CreateSource(line_entry));
+ auto source = CreateSource(frame.GetPCAddress(), debugger);
+ if (!source.IsAssemblySource()) {
+ // This is a normal source with valid line entry.
+ auto line_entry = frame.GetLineEntry();
object.try_emplace("line", line_entry.GetLine());
auto column = line_entry.GetColumn();
object.try_emplace("column", column);
} else if (frame.GetSymbol().IsValid()) {
- // If no source is associated with the frame, use the DAPFrameID to track
- // the 'source' and generate assembly.
- auto frame_address = frame.GetPCAddress();
- object.try_emplace("source", CreateAssemblySource(
-
frame.GetThread().GetProcess().GetTarget(),
- frame_address));
-
- // Calculate the line of the current PC from the start of the current
- // symbol.
+ // This is a source where the disassembly is used, but there is a valid
+ // symbol. Calculate the line of the current PC from the start of the
+ // current symbol.
lldb::SBTarget target = frame.GetThread().GetProcess().GetTarget();
lldb::SBInstructionList inst_list = target.ReadInstructions(
frame.GetSymbol().GetStartAddress(), frame.GetPCAddress(), nullptr);
@@ -699,14 +700,12 @@ CreateStackFrame(lldb::SBFrame &frame, lldb::SBFormat
&format,
object.try_emplace("column", 1);
} else {
// No valid line entry or symbol.
- auto frame_address = frame.GetPCAddress();
- object.try_emplace("source", CreateAssemblySource(
-
frame.GetThread().GetProcess().GetTarget(),
- frame_address));
object.try_emplace("line", 1);
object.try_emplace("column", 1);
}
+ object.try_emplace("source", std::move(source));
+
const auto pc = frame.GetPC();
if (pc != LLDB_INVALID_ADDRESS) {
std::string formatted_addr = "0x" + llvm::utohexstr(pc);
diff --git a/lldb/tools/lldb-dap/JSONUtils.h b/lldb/tools/lldb-dap/JSONUtils.h
index 5758c3d56ec90..74866cdf32840 100644
--- a/lldb/tools/lldb-dap/JSONUtils.h
+++ b/lldb/tools/lldb-dap/JSONUtils.h
@@ -11,7 +11,9 @@
#include "DAPForward.h"
#include "Protocol/ProtocolTypes.h"
+#include "lldb/API/SBAddress.h"
#include "lldb/API/SBCompileUnit.h"
+#include "lldb/API/SBDebugger.h"
#include "lldb/API/SBFileSpec.h"
#include "lldb/API/SBFormat.h"
#include "lldb/API/SBLineEntry.h"
@@ -250,14 +252,17 @@ protocol::Source CreateSource(const lldb::SBFileSpec
&file);
/// Create a "Source" JSON object as described in the debug adapter definition.
///
-/// \param[in] line_entry
-/// The LLDB line table to use when populating out the "Source"
-/// object
+/// \param[in] address
+/// The address to use when populating out the "Source" object.
+///
+/// \param[in] debugger
+/// The debugger, used to get relevant settings.
///
/// \return
/// A "Source" JSON object that follows the formal JSON
/// definition outlined by Microsoft.
-protocol::Source CreateSource(const lldb::SBLineEntry &line_entry);
+protocol::Source CreateSource(lldb::SBAddress address,
+ lldb::SBDebugger &debugger);
/// Create a "Source" object for a given source path.
///
@@ -269,35 +274,6 @@ protocol::Source CreateSource(const lldb::SBLineEntry
&line_entry);
/// definition outlined by Microsoft.
protocol::Source CreateSource(llvm::StringRef source_path);
-/// Create a "Source" object for a given frame, using its assembly for source.
-///
-/// \param[in] target
-/// The relevant target.
-///
-/// \param[in] address
-/// The address to use when creating the "Source" object.
-///
-/// \return
-/// A "Source" JSON object that follows the formal JSON
-/// definition outlined by Microsoft.
-protocol::Source CreateAssemblySource(const lldb::SBTarget &target,
- lldb::SBAddress &address);
-
-/// Return true if the given line entry should be displayed as assembly.
-///
-/// \param[in] line_entry
-/// The LLDB line entry to check.
-///
-/// \param[in] stop_disassembly_display
-/// The value of the "stop-disassembly-display" setting.
-///
-/// \return
-/// True if the line entry should be displayed as assembly, false
-/// otherwise.
-bool ShouldDisplayAssemblySource(
- const lldb::SBLineEntry &line_entry,
- lldb::StopDisassemblyType stop_disassembly_display);
-
/// Create a "StackFrame" object for a LLDB frame object.
///
/// This function will fill in the following keys in the returned
@@ -316,14 +292,15 @@ bool ShouldDisplayAssemblySource(
/// The LLDB format to use when populating out the "StackFrame"
/// object.
///
-/// \param[in] stop_disassembly_display
-/// The value of the "stop-disassembly-display" setting.
+/// \param[in] debugger
+/// The LLDB debugger to use when populating out the "StackFrame"
+/// object.
///
/// \return
/// A "StackFrame" JSON object with that follows the formal JSON
/// definition outlined by Microsoft.
llvm::json::Value CreateStackFrame(lldb::SBFrame &frame, lldb::SBFormat
&format,
- lldb::StopDisassemblyType);
+ lldb::SBDebugger &debugger);
/// Create a "StackFrame" label object for a LLDB thread.
///
diff --git a/lldb/tools/lldb-dap/Protocol/ProtocolTypes.h
b/lldb/tools/lldb-dap/Protocol/ProtocolTypes.h
index f5e21c96fe17f..b05b02d7092ea 100644
--- a/lldb/tools/lldb-dap/Protocol/ProtocolTypes.h
+++ b/lldb/tools/lldb-dap/Protocol/ProtocolTypes.h
@@ -317,6 +317,8 @@ struct Source {
std::optional<PresentationHint> presentationHint;
// unsupported keys: origin, sources, adapterData, checksums
+
+ bool IsAssemblySource() const { return sourceReference.value_or(0) != 0; }
};
bool fromJSON(const llvm::json::Value &, Source::PresentationHint &,
llvm::json::Path);
>From 43ec346b029c4927c592a9a91b79b9d8d34f3397 Mon Sep 17 00:00:00 2001
From: Ely Ronnen <elyron...@gmail.com>
Date: Sun, 25 May 2025 21:18:40 +0200
Subject: [PATCH 2/4] apply source mapping when getting line entry from an
address
---
lldb/include/lldb/API/SBAddress.h | 7 ++++++
lldb/source/API/SBAddress.cpp | 22 ++++++++++++++++---
lldb/source/Core/Module.cpp | 3 +++
lldb/tools/lldb-dap/Breakpoint.cpp | 2 +-
.../Handler/DisassembleRequestHandler.cpp | 22 +++++++++----------
.../Handler/LocationsRequestHandler.cpp | 5 +++--
.../Handler/StackTraceRequestHandler.cpp | 3 +--
lldb/tools/lldb-dap/JSONUtils.cpp | 22 +++++++++++--------
lldb/tools/lldb-dap/JSONUtils.h | 15 +++++--------
lldb/tools/lldb-dap/LLDBUtils.cpp | 7 ++++++
lldb/tools/lldb-dap/LLDBUtils.h | 14 ++++++++++++
11 files changed, 84 insertions(+), 38 deletions(-)
diff --git a/lldb/include/lldb/API/SBAddress.h
b/lldb/include/lldb/API/SBAddress.h
index 430dad4862dbf..c61f02702f1ca 100644
--- a/lldb/include/lldb/API/SBAddress.h
+++ b/lldb/include/lldb/API/SBAddress.h
@@ -11,6 +11,7 @@
#include "lldb/API/SBDefines.h"
#include "lldb/API/SBModule.h"
+#include "lldb/API/SBTarget.h"
namespace lldb {
@@ -58,6 +59,9 @@ class LLDB_API SBAddress {
// "lldb::SBAddress SBTarget::ResolveLoadAddress (...)".
lldb::SBSymbolContext GetSymbolContext(uint32_t resolve_scope);
+ lldb::SBSymbolContext GetSymbolContext(const SBTarget &target,
+ uint32_t resolve_scope);
+
// The following functions grab individual objects for a given address and
// are less efficient if you want more than one symbol related objects. Use
// one of the following when you want multiple debug symbol related objects
@@ -122,6 +126,9 @@ class LLDB_API SBAddress {
void SetAddress(const lldb_private::Address &address);
+ void CalculateSymbolContext(lldb_private::SymbolContext &sc,
+ uint32_t resolve_scope);
+
private:
std::unique_ptr<lldb_private::Address> m_opaque_up;
};
diff --git a/lldb/source/API/SBAddress.cpp b/lldb/source/API/SBAddress.cpp
index e519f0bcc83c6..b6b9e238d3cbf 100644
--- a/lldb/source/API/SBAddress.cpp
+++ b/lldb/source/API/SBAddress.cpp
@@ -213,9 +213,18 @@ SBSymbolContext SBAddress::GetSymbolContext(uint32_t
resolve_scope) {
LLDB_INSTRUMENT_VA(this, resolve_scope);
SBSymbolContext sb_sc;
- SymbolContextItem scope = static_cast<SymbolContextItem>(resolve_scope);
- if (m_opaque_up->IsValid())
- m_opaque_up->CalculateSymbolContext(&sb_sc.ref(), scope);
+ CalculateSymbolContext(sb_sc.ref(), resolve_scope);
+ return sb_sc;
+}
+
+SBSymbolContext SBAddress::GetSymbolContext(const SBTarget &target,
+ uint32_t resolve_scope) {
+ LLDB_INSTRUMENT_VA(this, target, resolve_scope);
+
+ SBSymbolContext sb_sc;
+ lldb_private::SymbolContext &sc = sb_sc.ref();
+ sc.target_sp = target.GetSP();
+ CalculateSymbolContext(sc, resolve_scope);
return sb_sc;
}
@@ -266,3 +275,10 @@ SBLineEntry SBAddress::GetLineEntry() {
}
return sb_line_entry;
}
+
+void SBAddress::CalculateSymbolContext(lldb_private::SymbolContext &sc,
+ uint32_t resolve_scope) {
+ SymbolContextItem scope = static_cast<SymbolContextItem>(resolve_scope);
+ if (m_opaque_up->IsValid())
+ m_opaque_up->CalculateSymbolContext(&sc, scope);
+}
diff --git a/lldb/source/Core/Module.cpp b/lldb/source/Core/Module.cpp
index 625c14e4a2153..90997dada3666 100644
--- a/lldb/source/Core/Module.cpp
+++ b/lldb/source/Core/Module.cpp
@@ -483,6 +483,9 @@ uint32_t Module::ResolveSymbolContextForAddress(
symfile->SetLoadDebugInfoEnabled();
resolved_flags |=
symfile->ResolveSymbolContext(so_addr, resolve_scope, sc);
+
+ if ((resolve_scope & eSymbolContextLineEntry) && sc.line_entry.IsValid())
+ sc.line_entry.ApplyFileMappings(sc.target_sp);
}
// Resolve the symbol if requested, but don't re-look it up if we've
diff --git a/lldb/tools/lldb-dap/Breakpoint.cpp
b/lldb/tools/lldb-dap/Breakpoint.cpp
index 440d589b912fc..dea4dbadc0bda 100644
--- a/lldb/tools/lldb-dap/Breakpoint.cpp
+++ b/lldb/tools/lldb-dap/Breakpoint.cpp
@@ -64,7 +64,7 @@ protocol::Breakpoint Breakpoint::ToProtocolBreakpoint() {
"0x" + llvm::utohexstr(bp_addr.GetLoadAddress(m_bp.GetTarget()));
breakpoint.instructionReference = formatted_addr;
- auto source = CreateSource(bp_addr, m_dap.debugger);
+ auto source = CreateSource(bp_addr, m_dap.target);
if (!source.IsAssemblySource()) {
auto line_entry = bp_addr.GetLineEntry();
const auto line = line_entry.GetLine();
diff --git a/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
b/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
index 49e7c788a7fb3..fd0d5de7911fb 100644
--- a/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
+++ b/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
@@ -9,11 +9,11 @@
#include "DAP.h"
#include "EventHelper.h"
#include "JSONUtils.h"
+#include "LLDBUtils.h"
#include "Protocol/ProtocolRequests.h"
#include "Protocol/ProtocolTypes.h"
#include "RequestHandler.h"
#include "lldb/API/SBAddress.h"
-#include "lldb/API/SBDebugger.h"
#include "lldb/API/SBInstruction.h"
#include "lldb/API/SBTarget.h"
#include "lldb/lldb-types.h"
@@ -82,15 +82,12 @@ static lldb::SBAddress
GetDisassembleStartAddress(lldb::SBTarget target,
.GetAddress();
}
-static DisassembledInstruction
-ConvertSBInstructionToDisassembledInstruction(lldb::SBDebugger &debugger,
- lldb::SBInstruction &inst,
- bool resolve_symbols) {
+static DisassembledInstruction ConvertSBInstructionToDisassembledInstruction(
+ lldb::SBTarget &target, lldb::SBInstruction &inst, bool resolve_symbols) {
if (!inst.IsValid())
return GetInvalidInstruction();
- lldb::SBTarget target = debugger.GetSelectedTarget();
- lldb::SBAddress addr = inst.GetAddress();
+ auto addr = inst.GetAddress();
const auto inst_addr = addr.GetLoadAddress(target);
// FIXME: This is a workaround - this address might come from
@@ -143,9 +140,11 @@
ConvertSBInstructionToDisassembledInstruction(lldb::SBDebugger &debugger,
disassembled_inst.instruction = std::move(instruction);
- auto source = CreateSource(addr, debugger);
- auto line_entry = addr.GetLineEntry();
+ auto source = CreateSource(addr, target);
+ auto line_entry = GetLineEntryForAddress(target, addr);
+ // If the line number is 0 then the entry represents a compiler generated
+ // location.
if (!source.IsAssemblySource() && line_entry.IsValid() &&
line_entry.GetStartAddress() == addr && line_entry.IsValid() &&
line_entry.GetFileSpec().IsValid() && line_entry.GetLine() != 0) {
@@ -159,7 +158,8 @@
ConvertSBInstructionToDisassembledInstruction(lldb::SBDebugger &debugger,
if (column != 0 && column != LLDB_INVALID_COLUMN_NUMBER)
disassembled_inst.column = column;
- auto end_line_entry = line_entry.GetEndAddress().GetLineEntry();
+ lldb::SBAddress end_addr = line_entry.GetEndAddress();
+ auto end_line_entry = GetLineEntryForAddress(target, end_addr);
if (end_line_entry.IsValid() &&
end_line_entry.GetFileSpec() == line_entry.GetFileSpec()) {
const auto end_line = end_line_entry.GetLine();
@@ -238,7 +238,7 @@ DisassembleRequestHandler::Run(const DisassembleArguments
&args) const {
original_address_index = i;
instructions.push_back(ConvertSBInstructionToDisassembledInstruction(
- dap.debugger, inst, resolve_symbols));
+ dap.target, inst, resolve_symbols));
}
// Check if we miss instructions at the beginning.
diff --git a/lldb/tools/lldb-dap/Handler/LocationsRequestHandler.cpp
b/lldb/tools/lldb-dap/Handler/LocationsRequestHandler.cpp
index 29f7356f46e42..39ad6949990c7 100644
--- a/lldb/tools/lldb-dap/Handler/LocationsRequestHandler.cpp
+++ b/lldb/tools/lldb-dap/Handler/LocationsRequestHandler.cpp
@@ -9,6 +9,7 @@
#include "DAP.h"
#include "EventHelper.h"
#include "JSONUtils.h"
+#include "LLDBUtils.h"
#include "RequestHandler.h"
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBDeclaration.h"
@@ -126,7 +127,7 @@ void LocationsRequestHandler::operator()(
lldb::addr_t raw_addr = variable.GetValueAsAddress();
lldb::SBAddress addr = dap.target.ResolveLoadAddress(raw_addr);
- lldb::SBLineEntry line_entry = addr.GetLineEntry();
+ lldb::SBLineEntry line_entry = GetLineEntryForAddress(dap.target, addr);
if (!line_entry.IsValid()) {
response["success"] = false;
@@ -135,7 +136,7 @@ void LocationsRequestHandler::operator()(
return;
}
- body.try_emplace("source", CreateSource(addr, dap.debugger));
+ body.try_emplace("source", CreateSource(line_entry.GetFileSpec()));
if (int line = line_entry.GetLine())
body.try_emplace("line", line);
if (int column = line_entry.GetColumn())
diff --git a/lldb/tools/lldb-dap/Handler/StackTraceRequestHandler.cpp
b/lldb/tools/lldb-dap/Handler/StackTraceRequestHandler.cpp
index 1a4e87f8035ec..4ea4cd1e517d4 100644
--- a/lldb/tools/lldb-dap/Handler/StackTraceRequestHandler.cpp
+++ b/lldb/tools/lldb-dap/Handler/StackTraceRequestHandler.cpp
@@ -69,8 +69,7 @@ static bool FillStackFrames(DAP &dap, lldb::SBThread &thread,
break;
}
- stack_frames.emplace_back(
- CreateStackFrame(frame, frame_format, dap.debugger));
+ stack_frames.emplace_back(CreateStackFrame(frame, frame_format));
}
if (include_all && reached_end_of_stack) {
diff --git a/lldb/tools/lldb-dap/JSONUtils.cpp
b/lldb/tools/lldb-dap/JSONUtils.cpp
index 318f493f26e2f..e0c6e19863896 100644
--- a/lldb/tools/lldb-dap/JSONUtils.cpp
+++ b/lldb/tools/lldb-dap/JSONUtils.cpp
@@ -12,6 +12,7 @@
#include "LLDBUtils.h"
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBCompileUnit.h"
+#include "lldb/API/SBDebugger.h"
#include "lldb/API/SBDeclaration.h"
#include "lldb/API/SBEnvironment.h"
#include "lldb/API/SBError.h"
@@ -571,14 +572,16 @@ protocol::Source CreateSource(const lldb::SBFileSpec
&file) {
return source;
}
-protocol::Source CreateSource(lldb::SBAddress address,
- lldb::SBDebugger &debugger) {
+protocol::Source CreateSource(lldb::SBAddress address, lldb::SBTarget &target)
{
+ lldb::SBDebugger debugger = target.GetDebugger();
lldb::StopDisassemblyType stop_disassembly_display =
GetStopDisassemblyDisplay(debugger);
- if (!ShouldDisplayAssemblySource(address, stop_disassembly_display))
- return CreateSource(address.GetLineEntry().GetFileSpec());
+ if (!ShouldDisplayAssemblySource(address, stop_disassembly_display)) {
+ lldb::SBLineEntry line_entry = GetLineEntryForAddress(target, address);
+ return CreateSource(line_entry.GetFileSpec());
+ }
- return CreateAssemblySource(debugger.GetSelectedTarget(), address);
+ return CreateAssemblySource(target, address);
}
protocol::Source CreateSource(llvm::StringRef source_path) {
@@ -650,8 +653,8 @@ protocol::Source CreateSource(llvm::StringRef source_path) {
// },
// "required": [ "id", "name", "line", "column" ]
// }
-llvm::json::Value CreateStackFrame(lldb::SBFrame &frame, lldb::SBFormat
&format,
- lldb::SBDebugger &debugger) {
+llvm::json::Value CreateStackFrame(lldb::SBFrame &frame,
+ lldb::SBFormat &format) {
llvm::json::Object object;
int64_t frame_id = MakeDAPFrameID(frame);
object.try_emplace("id", frame_id);
@@ -679,9 +682,10 @@ llvm::json::Value CreateStackFrame(lldb::SBFrame &frame,
lldb::SBFormat &format,
EmplaceSafeString(object, "name", frame_name);
- auto source = CreateSource(frame.GetPCAddress(), debugger);
+ auto target = frame.GetThread().GetProcess().GetTarget();
+ auto source = CreateSource(frame.GetPCAddress(), target);
if (!source.IsAssemblySource()) {
- // This is a normal source with valid line entry.
+ // This is a normal source with a valid line entry.
auto line_entry = frame.GetLineEntry();
object.try_emplace("line", line_entry.GetLine());
auto column = line_entry.GetColumn();
diff --git a/lldb/tools/lldb-dap/JSONUtils.h b/lldb/tools/lldb-dap/JSONUtils.h
index 74866cdf32840..3f9b3162ad027 100644
--- a/lldb/tools/lldb-dap/JSONUtils.h
+++ b/lldb/tools/lldb-dap/JSONUtils.h
@@ -255,14 +255,13 @@ protocol::Source CreateSource(const lldb::SBFileSpec
&file);
/// \param[in] address
/// The address to use when populating out the "Source" object.
///
-/// \param[in] debugger
-/// The debugger, used to get relevant settings.
+/// \param[in] target
+/// The target that has the address.
///
/// \return
/// A "Source" JSON object that follows the formal JSON
/// definition outlined by Microsoft.
-protocol::Source CreateSource(lldb::SBAddress address,
- lldb::SBDebugger &debugger);
+protocol::Source CreateSource(lldb::SBAddress address, lldb::SBTarget &target);
/// Create a "Source" object for a given source path.
///
@@ -292,15 +291,11 @@ protocol::Source CreateSource(llvm::StringRef
source_path);
/// The LLDB format to use when populating out the "StackFrame"
/// object.
///
-/// \param[in] debugger
-/// The LLDB debugger to use when populating out the "StackFrame"
-/// object.
-///
/// \return
/// A "StackFrame" JSON object with that follows the formal JSON
/// definition outlined by Microsoft.
-llvm::json::Value CreateStackFrame(lldb::SBFrame &frame, lldb::SBFormat
&format,
- lldb::SBDebugger &debugger);
+llvm::json::Value CreateStackFrame(lldb::SBFrame &frame,
+ lldb::SBFormat &format);
/// Create a "StackFrame" label object for a LLDB thread.
///
diff --git a/lldb/tools/lldb-dap/LLDBUtils.cpp
b/lldb/tools/lldb-dap/LLDBUtils.cpp
index fe0bcda19b4cd..eb23a89be78da 100644
--- a/lldb/tools/lldb-dap/LLDBUtils.cpp
+++ b/lldb/tools/lldb-dap/LLDBUtils.cpp
@@ -252,4 +252,11 @@ std::string GetSBFileSpecPath(const lldb::SBFileSpec
&file_spec) {
return path;
}
+lldb::SBLineEntry GetLineEntryForAddress(lldb::SBTarget &target,
+ lldb::SBAddress &address) {
+ lldb::SBSymbolContext sc =
+ address.GetSymbolContext(target, lldb::eSymbolContextLineEntry);
+ return sc.GetLineEntry();
+}
+
} // namespace lldb_dap
diff --git a/lldb/tools/lldb-dap/LLDBUtils.h b/lldb/tools/lldb-dap/LLDBUtils.h
index 7fdf4b859ee61..74c10befdca67 100644
--- a/lldb/tools/lldb-dap/LLDBUtils.h
+++ b/lldb/tools/lldb-dap/LLDBUtils.h
@@ -14,6 +14,8 @@
#include "lldb/API/SBEnvironment.h"
#include "lldb/API/SBError.h"
#include "lldb/API/SBFileSpec.h"
+#include "lldb/API/SBLineEntry.h"
+#include "lldb/API/SBTarget.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/Support/Error.h"
@@ -171,6 +173,18 @@ GetEnvironmentFromArguments(const llvm::json::Object
&arguments);
/// The file path as a string.
std::string GetSBFileSpecPath(const lldb::SBFileSpec &file_spec);
+/// Gets the line entry for a given address.
+/// \param[in] target
+/// The target that has the address.
+///
+/// \param[in] address
+/// The address for which to get the line entry.
+///
+/// \return
+/// The line entry for the given address.
+lldb::SBLineEntry GetLineEntryForAddress(lldb::SBTarget &target,
+ lldb::SBAddress &address);
+
/// Helper for sending telemetry to lldb server, if client-telemetry is
enabled.
class TelemetryDispatcher {
public:
>From 1bb6e4d1edef1ef537f69e02a93469dbbf97bdd5 Mon Sep 17 00:00:00 2001
From: Ely Ronnen <elyron...@gmail.com>
Date: Wed, 28 May 2025 08:57:55 +0200
Subject: [PATCH 3/4] remove dead CreateSource version, move IsAssemblySource
to ProtocolUtils.cpp
---
lldb/tools/lldb-dap/Breakpoint.cpp | 3 ++-
lldb/tools/lldb-dap/CMakeLists.txt | 1 +
.../Handler/DisassembleRequestHandler.cpp | 3 ++-
lldb/tools/lldb-dap/JSONUtils.cpp | 11 ++-------
lldb/tools/lldb-dap/JSONUtils.h | 10 --------
lldb/tools/lldb-dap/Protocol/ProtocolTypes.h | 2 --
.../tools/lldb-dap/Protocol/ProtocolUtils.cpp | 17 +++++++++++++
lldb/tools/lldb-dap/Protocol/ProtocolUtils.h | 24 +++++++++++++++++++
8 files changed, 48 insertions(+), 23 deletions(-)
create mode 100644 lldb/tools/lldb-dap/Protocol/ProtocolUtils.cpp
create mode 100644 lldb/tools/lldb-dap/Protocol/ProtocolUtils.h
diff --git a/lldb/tools/lldb-dap/Breakpoint.cpp
b/lldb/tools/lldb-dap/Breakpoint.cpp
index dea4dbadc0bda..ef9333713e940 100644
--- a/lldb/tools/lldb-dap/Breakpoint.cpp
+++ b/lldb/tools/lldb-dap/Breakpoint.cpp
@@ -9,6 +9,7 @@
#include "Breakpoint.h"
#include "DAP.h"
#include "JSONUtils.h"
+#include "Protocol/ProtocolUtils.h"
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBBreakpointLocation.h"
#include "lldb/API/SBLineEntry.h"
@@ -65,7 +66,7 @@ protocol::Breakpoint Breakpoint::ToProtocolBreakpoint() {
breakpoint.instructionReference = formatted_addr;
auto source = CreateSource(bp_addr, m_dap.target);
- if (!source.IsAssemblySource()) {
+ if (!IsAssemblySource(source)) {
auto line_entry = bp_addr.GetLineEntry();
const auto line = line_entry.GetLine();
if (line != LLDB_INVALID_LINE_NUMBER)
diff --git a/lldb/tools/lldb-dap/CMakeLists.txt
b/lldb/tools/lldb-dap/CMakeLists.txt
index 490aa4710af1a..401e0672b5375 100644
--- a/lldb/tools/lldb-dap/CMakeLists.txt
+++ b/lldb/tools/lldb-dap/CMakeLists.txt
@@ -68,6 +68,7 @@ add_lldb_library(lldbDAP
Protocol/ProtocolBase.cpp
Protocol/ProtocolTypes.cpp
Protocol/ProtocolRequests.cpp
+ Protocol/ProtocolUtils.cpp
LINK_LIBS
liblldb
diff --git a/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
b/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
index fd0d5de7911fb..abde452b3d1d3 100644
--- a/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
+++ b/lldb/tools/lldb-dap/Handler/DisassembleRequestHandler.cpp
@@ -12,6 +12,7 @@
#include "LLDBUtils.h"
#include "Protocol/ProtocolRequests.h"
#include "Protocol/ProtocolTypes.h"
+#include "Protocol/ProtocolUtils.h"
#include "RequestHandler.h"
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBInstruction.h"
@@ -145,7 +146,7 @@ static DisassembledInstruction
ConvertSBInstructionToDisassembledInstruction(
// If the line number is 0 then the entry represents a compiler generated
// location.
- if (!source.IsAssemblySource() && line_entry.IsValid() &&
+ if (!IsAssemblySource(source) && line_entry.IsValid() &&
line_entry.GetStartAddress() == addr && line_entry.IsValid() &&
line_entry.GetFileSpec().IsValid() && line_entry.GetLine() != 0) {
diff --git a/lldb/tools/lldb-dap/JSONUtils.cpp
b/lldb/tools/lldb-dap/JSONUtils.cpp
index e0c6e19863896..26bc13ef6759d 100644
--- a/lldb/tools/lldb-dap/JSONUtils.cpp
+++ b/lldb/tools/lldb-dap/JSONUtils.cpp
@@ -10,6 +10,7 @@
#include "DAP.h"
#include "ExceptionBreakpoint.h"
#include "LLDBUtils.h"
+#include "Protocol/ProtocolUtils.h"
#include "lldb/API/SBAddress.h"
#include "lldb/API/SBCompileUnit.h"
#include "lldb/API/SBDebugger.h"
@@ -584,14 +585,6 @@ protocol::Source CreateSource(lldb::SBAddress address,
lldb::SBTarget &target) {
return CreateAssemblySource(target, address);
}
-protocol::Source CreateSource(llvm::StringRef source_path) {
- protocol::Source source;
- llvm::StringRef name = llvm::sys::path::filename(source_path);
- source.name = name;
- source.path = source_path;
- return source;
-}
-
// "StackFrame": {
// "type": "object",
// "description": "A Stackframe contains the source location.",
@@ -684,7 +677,7 @@ llvm::json::Value CreateStackFrame(lldb::SBFrame &frame,
auto target = frame.GetThread().GetProcess().GetTarget();
auto source = CreateSource(frame.GetPCAddress(), target);
- if (!source.IsAssemblySource()) {
+ if (!IsAssemblySource(source)) {
// This is a normal source with a valid line entry.
auto line_entry = frame.GetLineEntry();
object.try_emplace("line", line_entry.GetLine());
diff --git a/lldb/tools/lldb-dap/JSONUtils.h b/lldb/tools/lldb-dap/JSONUtils.h
index 3f9b3162ad027..f2a7c20c4e711 100644
--- a/lldb/tools/lldb-dap/JSONUtils.h
+++ b/lldb/tools/lldb-dap/JSONUtils.h
@@ -263,16 +263,6 @@ protocol::Source CreateSource(const lldb::SBFileSpec
&file);
/// definition outlined by Microsoft.
protocol::Source CreateSource(lldb::SBAddress address, lldb::SBTarget &target);
-/// Create a "Source" object for a given source path.
-///
-/// \param[in] source_path
-/// The path to the source to use when creating the "Source" object.
-///
-/// \return
-/// A "Source" JSON object that follows the formal JSON
-/// definition outlined by Microsoft.
-protocol::Source CreateSource(llvm::StringRef source_path);
-
/// Create a "StackFrame" object for a LLDB frame object.
///
/// This function will fill in the following keys in the returned
diff --git a/lldb/tools/lldb-dap/Protocol/ProtocolTypes.h
b/lldb/tools/lldb-dap/Protocol/ProtocolTypes.h
index b05b02d7092ea..f5e21c96fe17f 100644
--- a/lldb/tools/lldb-dap/Protocol/ProtocolTypes.h
+++ b/lldb/tools/lldb-dap/Protocol/ProtocolTypes.h
@@ -317,8 +317,6 @@ struct Source {
std::optional<PresentationHint> presentationHint;
// unsupported keys: origin, sources, adapterData, checksums
-
- bool IsAssemblySource() const { return sourceReference.value_or(0) != 0; }
};
bool fromJSON(const llvm::json::Value &, Source::PresentationHint &,
llvm::json::Path);
diff --git a/lldb/tools/lldb-dap/Protocol/ProtocolUtils.cpp
b/lldb/tools/lldb-dap/Protocol/ProtocolUtils.cpp
new file mode 100644
index 0000000000000..63f16a1a927f3
--- /dev/null
+++ b/lldb/tools/lldb-dap/Protocol/ProtocolUtils.cpp
@@ -0,0 +1,17 @@
+//===-- ProtocolUtils.cpp
-------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+#include "Protocol/ProtocolUtils.h"
+
+namespace lldb_dap::protocol {
+
+bool IsAssemblySource(const protocol::Source &source) {
+ return source.sourceReference.value_or(0) != 0;
+}
+
+} // namespace lldb_dap::protocol
diff --git a/lldb/tools/lldb-dap/Protocol/ProtocolUtils.h
b/lldb/tools/lldb-dap/Protocol/ProtocolUtils.h
new file mode 100644
index 0000000000000..a78a0a9ca392b
--- /dev/null
+++ b/lldb/tools/lldb-dap/Protocol/ProtocolUtils.h
@@ -0,0 +1,24 @@
+//===-- ProtocolUtils.h
---------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM
Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+//
+// This file contains Utility function for protocol objects.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLDB_TOOLS_LLDB_DAP_PROTOCOL_PROTOCOL_UTILS_H
+#define LLDB_TOOLS_LLDB_DAP_PROTOCOL_PROTOCOL_UTILS_H
+
+#include "Protocol/ProtocolTypes.h"
+
+namespace lldb_dap::protocol {
+
+bool IsAssemblySource(const protocol::Source &source);
+
+} // namespace lldb_dap::protocol
+
+#endif
>From 5f1959a0e5ad1444a5c83d64f5e4c32c583fb031 Mon Sep 17 00:00:00 2001
From: Ely Ronnen <elyron...@gmail.com>
Date: Wed, 28 May 2025 21:51:42 +0200
Subject: [PATCH 4/4] add small GetSymbolContext comment
---
lldb/include/lldb/API/SBAddress.h | 3 +++
1 file changed, 3 insertions(+)
diff --git a/lldb/include/lldb/API/SBAddress.h
b/lldb/include/lldb/API/SBAddress.h
index c61f02702f1ca..6a1b9b9d40a50 100644
--- a/lldb/include/lldb/API/SBAddress.h
+++ b/lldb/include/lldb/API/SBAddress.h
@@ -59,6 +59,9 @@ class LLDB_API SBAddress {
// "lldb::SBAddress SBTarget::ResolveLoadAddress (...)".
lldb::SBSymbolContext GetSymbolContext(uint32_t resolve_scope);
+ /// Same as the previous function, but uses the given target in the symbol
+ /// context. This can help to resolve things that require the target,
+ // for example it's necessary in order to apply source map on SBLineEntry.
lldb::SBSymbolContext GetSymbolContext(const SBTarget &target,
uint32_t resolve_scope);
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