Revert "Revert "Allow duplicated methods in different DWARF line tables.""
This reverts commit 8862fac4a0b97d827d2808146d2d79b8d799b998.
Change-Id: I4d5629df4580b7ac08a5cb04924c56eecad3ad25
diff --git a/compiler/debug/elf_debug_line_writer.h b/compiler/debug/elf_debug_line_writer.h
index 9875c71..3fe8c3b 100644
--- a/compiler/debug/elf_debug_line_writer.h
+++ b/compiler/debug/elf_debug_line_writer.h
@@ -17,6 +17,7 @@
#ifndef ART_COMPILER_DEBUG_ELF_DEBUG_LINE_WRITER_H_
#define ART_COMPILER_DEBUG_ELF_DEBUG_LINE_WRITER_H_
+#include <unordered_set>
#include <vector>
#include "compiled_method.h"
@@ -81,11 +82,14 @@
case kX86_64:
break;
}
+ std::unordered_set<uint64_t> seen_addresses(compilation_unit.methods.size());
dwarf::DebugLineOpCodeWriter<> opcodes(is64bit, code_factor_bits_);
for (const MethodDebugInfo* mi : compilation_unit.methods) {
// Ignore function if we have already generated line table for the same address.
// It would confuse the debugger and the DWARF specification forbids it.
- if (mi->deduped) {
+ // We allow the line table for method to be replicated in different compilation unit.
+ // This ensures that each compilation unit contains line table for all its methods.
+ if (!seen_addresses.insert(mi->code_address).second) {
continue;
}