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Diffstat (limited to 'lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.cpp')
-rw-r--r--lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.cpp54
1 files changed, 33 insertions, 21 deletions
diff --git a/lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.cpp b/lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.cpp
index b2c4d0883341..eeec7296747e 100644
--- a/lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.cpp
+++ b/lldb/source/Plugins/SymbolFile/Breakpad/SymbolFileBreakpad.cpp
@@ -1,4 +1,4 @@
-//===-- SymbolFileBreakpad.cpp ----------------------------------*- C++ -*-===//
+//===-- SymbolFileBreakpad.cpp --------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
@@ -25,6 +25,8 @@ using namespace lldb;
using namespace lldb_private;
using namespace lldb_private::breakpad;
+LLDB_PLUGIN_DEFINE(SymbolFileBreakpad)
+
char SymbolFileBreakpad::ID;
class SymbolFileBreakpad::LineIterator {
@@ -292,7 +294,7 @@ uint32_t SymbolFileBreakpad::ResolveSymbolContext(
}
void SymbolFileBreakpad::FindFunctions(
- ConstString name, const CompilerDeclContext *parent_decl_ctx,
+ ConstString name, const CompilerDeclContext &parent_decl_ctx,
FunctionNameType name_type_mask, bool include_inlines,
SymbolContextList &sc_list) {
// TODO
@@ -305,7 +307,7 @@ void SymbolFileBreakpad::FindFunctions(const RegularExpression &regex,
}
void SymbolFileBreakpad::FindTypes(
- ConstString name, const CompilerDeclContext *parent_decl_ctx,
+ ConstString name, const CompilerDeclContext &parent_decl_ctx,
uint32_t max_matches, llvm::DenseSet<SymbolFile *> &searched_symbol_files,
TypeMap &types) {}
@@ -406,20 +408,25 @@ GetRule(llvm::StringRef &unwind_rules) {
}
static const RegisterInfo *
-ResolveRegister(const SymbolFile::RegisterInfoResolver &resolver,
+ResolveRegister(const llvm::Triple &triple,
+ const SymbolFile::RegisterInfoResolver &resolver,
llvm::StringRef name) {
- if (name.consume_front("$"))
- return resolver.ResolveName(name);
-
- return nullptr;
+ if (triple.isX86() || triple.isMIPS()) {
+ // X86 and MIPS registers have '$' in front of their register names. Arm and
+ // AArch64 don't.
+ if (!name.consume_front("$"))
+ return nullptr;
+ }
+ return resolver.ResolveName(name);
}
static const RegisterInfo *
-ResolveRegisterOrRA(const SymbolFile::RegisterInfoResolver &resolver,
+ResolveRegisterOrRA(const llvm::Triple &triple,
+ const SymbolFile::RegisterInfoResolver &resolver,
llvm::StringRef name) {
if (name == ".ra")
return resolver.ResolveNumber(eRegisterKindGeneric, LLDB_REGNUM_GENERIC_PC);
- return ResolveRegister(resolver, name);
+ return ResolveRegister(triple, resolver, name);
}
llvm::ArrayRef<uint8_t> SymbolFileBreakpad::SaveAsDWARF(postfix::Node &node) {
@@ -438,6 +445,7 @@ bool SymbolFileBreakpad::ParseCFIUnwindRow(llvm::StringRef unwind_rules,
Log *log = GetLogIfAllCategoriesSet(LIBLLDB_LOG_SYMBOLS);
llvm::BumpPtrAllocator node_alloc;
+ llvm::Triple triple = m_objfile_sp->GetArchitecture().GetTriple();
while (auto rule = GetRule(unwind_rules)) {
node_alloc.Reset();
llvm::StringRef lhs = rule->first;
@@ -453,7 +461,8 @@ bool SymbolFileBreakpad::ParseCFIUnwindRow(llvm::StringRef unwind_rules,
if (name == ".cfa" && lhs != ".cfa")
return postfix::MakeNode<postfix::InitialValueNode>(node_alloc);
- if (const RegisterInfo *info = ResolveRegister(resolver, name)) {
+ if (const RegisterInfo *info =
+ ResolveRegister(triple, resolver, name)) {
return postfix::MakeNode<postfix::RegisterNode>(
node_alloc, info->kinds[eRegisterKindLLDB]);
}
@@ -468,7 +477,8 @@ bool SymbolFileBreakpad::ParseCFIUnwindRow(llvm::StringRef unwind_rules,
llvm::ArrayRef<uint8_t> saved = SaveAsDWARF(*rhs);
if (lhs == ".cfa") {
row.GetCFAValue().SetIsDWARFExpression(saved.data(), saved.size());
- } else if (const RegisterInfo *info = ResolveRegisterOrRA(resolver, lhs)) {
+ } else if (const RegisterInfo *info =
+ ResolveRegisterOrRA(triple, resolver, lhs)) {
UnwindPlan::Row::RegisterLocation loc;
loc.SetIsDWARFExpression(saved.data(), saved.size());
row.SetRegisterInfo(info->kinds[eRegisterKindLLDB], loc);
@@ -572,6 +582,7 @@ SymbolFileBreakpad::ParseWinUnwindPlan(const Bookmark &bookmark,
return nullptr;
}
auto it = program.begin();
+ llvm::Triple triple = m_objfile_sp->GetArchitecture().GetTriple();
const auto &symbol_resolver =
[&](postfix::SymbolNode &symbol) -> postfix::Node * {
llvm::StringRef name = symbol.GetName();
@@ -579,7 +590,7 @@ SymbolFileBreakpad::ParseWinUnwindPlan(const Bookmark &bookmark,
if (rule.first == name)
return rule.second;
}
- if (const RegisterInfo *info = ResolveRegister(resolver, name))
+ if (const RegisterInfo *info = ResolveRegister(triple, resolver, name))
return postfix::MakeNode<postfix::RegisterNode>(
node_alloc, info->kinds[eRegisterKindLLDB]);
return nullptr;
@@ -609,7 +620,7 @@ SymbolFileBreakpad::ParseWinUnwindPlan(const Bookmark &bookmark,
// Now process the rest of the assignments.
for (++it; it != program.end(); ++it) {
- const RegisterInfo *info = ResolveRegister(resolver, it->first);
+ const RegisterInfo *info = ResolveRegister(triple, resolver, it->first);
// It is not an error if the resolution fails because the program may
// contain temporary variables.
if (!info)
@@ -694,18 +705,18 @@ void SymbolFileBreakpad::ParseLineTableAndSupportFiles(CompileUnit &cu,
"How did we create compile units without a base address?");
SupportFileMap map;
- data.line_table_up = std::make_unique<LineTable>(&cu);
- std::unique_ptr<LineSequence> line_seq_up(
- data.line_table_up->CreateLineSequenceContainer());
+ std::vector<std::unique_ptr<LineSequence>> sequences;
+ std::unique_ptr<LineSequence> line_seq_up =
+ LineTable::CreateLineSequenceContainer();
llvm::Optional<addr_t> next_addr;
auto finish_sequence = [&]() {
- data.line_table_up->AppendLineEntryToSequence(
+ LineTable::AppendLineEntryToSequence(
line_seq_up.get(), *next_addr, /*line*/ 0, /*column*/ 0,
/*file_idx*/ 0, /*is_start_of_statement*/ false,
/*is_start_of_basic_block*/ false, /*is_prologue_end*/ false,
/*is_epilogue_begin*/ false, /*is_terminal_entry*/ true);
- data.line_table_up->InsertSequence(line_seq_up.get());
- line_seq_up->Clear();
+ sequences.push_back(std::move(line_seq_up));
+ line_seq_up = LineTable::CreateLineSequenceContainer();
};
LineIterator It(*m_objfile_sp, Record::Func, data.bookmark),
@@ -722,7 +733,7 @@ void SymbolFileBreakpad::ParseLineTableAndSupportFiles(CompileUnit &cu,
// Discontiguous entries. Finish off the previous sequence and reset.
finish_sequence();
}
- data.line_table_up->AppendLineEntryToSequence(
+ LineTable::AppendLineEntryToSequence(
line_seq_up.get(), record->Address, record->LineNum, /*column*/ 0,
map[record->FileNum], /*is_start_of_statement*/ true,
/*is_start_of_basic_block*/ false, /*is_prologue_end*/ false,
@@ -731,6 +742,7 @@ void SymbolFileBreakpad::ParseLineTableAndSupportFiles(CompileUnit &cu,
}
if (next_addr)
finish_sequence();
+ data.line_table_up = std::make_unique<LineTable>(&cu, std::move(sequences));
data.support_files = map.translate(cu.GetPrimaryFile(), *m_files);
}
generated by cgit v1.2.3 (git 2.25.1) at 2025-08-04 02:21:34 +0000