mib created this revision.
Herald added a project: LLDB.
mib added a reviewer: LLDB.
Add `function.mangled-name` key for FormatEntity to show the mangled
function names in backtraces.
rdar://54088244
Signed-off-by: Med Ismail Bennani <medismail.benn...@gmail.com>
Repository:
rG LLVM Github Monorepo
https://reviews.llvm.org/D71237
Files:
lldb/docs/use/formatting.rst
lldb/include/lldb/Core/FormatEntity.h
lldb/include/lldb/Target/Language.h
lldb/source/Core/FormatEntity.cpp
lldb/test/Shell/Settings/Inputs/main.cpp
lldb/test/Shell/Settings/TestFrameFormatMangling.test
Index: lldb/test/Shell/Settings/TestFrameFormatMangling.test
===================================================================
--- /dev/null
+++ lldb/test/Shell/Settings/TestFrameFormatMangling.test
@@ -0,0 +1,11 @@
+# RUN: %clangxx_host -std=c++14 -g -O0 %S/Inputs/main.cpp -o %t.out
+# RUN: %lldb -x -b -s %s %t.out | FileCheck %s
+br set -p "Set break"
+run
+frame info
+# CHECK: frame #0: {{.*}}C::C(this=
+set set frame-format "frame #${frame.index}: ${ansi.fg.yellow}${frame.pc}${ansi.normal}{ ${module.file.basename}{\`${function.mangled-name}{${frame.no-debug}${function.pc-offset}}}}{ at ${ansi.fg.cyan}${line.file.basename}${ansi.normal}:${ansi.fg.yellow}${line.number}${ansi.normal}{:${ansi.fg.yellow}${line.column}${ansi.normal}}}{${function.is-optimized} [opt]}{${frame.is-artificial} [artificial]}\n"
+frame info
+# CHECK: frame #0: {{.*}}_ZN1CC2Eiii
+c
+q
Index: lldb/test/Shell/Settings/Inputs/main.cpp
===================================================================
--- /dev/null
+++ lldb/test/Shell/Settings/Inputs/main.cpp
@@ -0,0 +1,125 @@
+//===-- main.cpp ------------------------------------------------*- C++ -*-===//
+//
+// 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
+//
+//===----------------------------------------------------------------------===//
+
+class Conversion
+{
+public:
+ Conversion (int i) :
+ m_i (i)
+ {}
+
+ operator bool()
+ {
+ return m_i != 0;
+ }
+
+private:
+ int m_i;
+};
+
+class A
+{
+public:
+ A(int i=0):
+ m_a_int(i),
+ m_aa_int(i+1)
+ {
+ }
+
+ //virtual
+ ~A()
+ {
+ }
+
+ int
+ GetInteger() const
+ {
+ return m_a_int;
+ }
+ void
+ SetInteger(int i)
+ {
+ m_a_int = i;
+ }
+
+protected:
+ int m_a_int;
+ int m_aa_int;
+};
+
+class B : public A
+{
+public:
+ B(int ai, int bi) :
+ A(ai),
+ m_b_int(bi)
+ {
+ }
+
+ //virtual
+ ~B()
+ {
+ }
+
+ int
+ GetIntegerB() const
+ {
+ return m_b_int;
+ }
+ void
+ SetIntegerB(int i)
+ {
+ m_b_int = i;
+ }
+
+protected:
+ int m_b_int;
+};
+
+#include <cstdio>
+class C : public B
+{
+public:
+ C(int ai, int bi, int ci) :
+ B(ai, bi),
+ m_c_int(ci)
+ {
+ std::printf("Within C::ctor() m_c_int=%d\n", m_c_int); // Set break point at this line.
+ }
+
+ //virtual
+ ~C()
+ {
+ }
+
+ int
+ GetIntegerC() const
+ {
+ return m_c_int;
+ }
+ void
+ SetIntegerC(int i)
+ {
+ m_c_int = i;
+ }
+
+protected:
+ int m_c_int;
+};
+
+int
+main (int argc, char const *argv[])
+{
+ A a(12);
+ B b(22,33);
+ C c(44,55,66);
+ Conversion conv(1);
+ if (conv)
+ return b.GetIntegerB() - a.GetInteger() + c.GetInteger();
+ return 0;
+}
Index: lldb/source/Core/FormatEntity.cpp
===================================================================
--- lldb/source/Core/FormatEntity.cpp
+++ lldb/source/Core/FormatEntity.cpp
@@ -125,6 +125,7 @@
ENTRY("name", FunctionName),
ENTRY("name-without-args", FunctionNameNoArgs),
ENTRY("name-with-args", FunctionNameWithArgs),
+ ENTRY("mangled-name", FunctionMangledName),
ENTRY("addr-offset", FunctionAddrOffset),
ENTRY("concrete-only-addr-offset-no-padding", FunctionAddrOffsetConcrete),
ENTRY("line-offset", FunctionLineOffset),
@@ -351,6 +352,7 @@
ENUM_TO_CSTR(FunctionName);
ENUM_TO_CSTR(FunctionNameWithArgs);
ENUM_TO_CSTR(FunctionNameNoArgs);
+ ENUM_TO_CSTR(FunctionMangledName);
ENUM_TO_CSTR(FunctionAddrOffset);
ENUM_TO_CSTR(FunctionAddrOffsetConcrete);
ENUM_TO_CSTR(FunctionLineOffset);
@@ -1745,6 +1747,58 @@
}
return false;
+ case Entry::Type::FunctionMangledName: {
+ Language *language_plugin = nullptr;
+ bool language_plugin_handled = false;
+ StreamString ss;
+ if (sc->function)
+ language_plugin = Language::FindPlugin(sc->function->GetLanguage());
+ else if (sc->symbol)
+ language_plugin = Language::FindPlugin(sc->symbol->GetLanguage());
+ if (language_plugin) {
+ language_plugin_handled = language_plugin->GetFunctionDisplayName(
+ sc, exe_ctx, Language::FunctionNameRepresentation::eMangledName, ss);
+ }
+ if (language_plugin_handled) {
+ s << ss.GetString();
+ return true;
+ } else {
+ const char *mangled_name = nullptr;
+ if (sc->function)
+ mangled_name = sc->function->GetMangled().GetMangledName().AsCString();
+ else if (sc->symbol)
+ mangled_name = sc->symbol->GetMangled().GetMangledName().AsCString();
+ const char *name = nullptr;
+ if (!mangled_name) {
+ if (sc->function)
+ name = sc->function->GetName().AsCString();
+ else if (sc->symbol)
+ name = sc->symbol->GetName().AsCString();
+
+ } else {
+ name = mangled_name;
+ }
+
+ if (name) {
+ s.PutCString(name);
+
+ if (sc->block) {
+ Block *inline_block = sc->block->GetContainingInlinedBlock();
+ if (inline_block) {
+ const InlineFunctionInfo *inline_info =
+ sc->block->GetInlinedFunctionInfo();
+ if (inline_info) {
+ s.PutCString(" [inlined] ");
+ inline_info->GetName(sc->function->GetLanguage()).Dump(&s);
+ }
+ }
+ }
+ return true;
+ }
+ }
+ }
+ return false;
+
case Entry::Type::FunctionAddrOffset:
if (addr) {
if (DumpAddressOffsetFromFunction(s, sc, exe_ctx, *addr, false, false,
Index: lldb/include/lldb/Target/Language.h
===================================================================
--- lldb/include/lldb/Target/Language.h
+++ lldb/include/lldb/Target/Language.h
@@ -142,7 +142,8 @@
enum class FunctionNameRepresentation {
eName,
eNameWithArgs,
- eNameWithNoArgs
+ eNameWithNoArgs,
+ eMangledName
};
~Language() override;
Index: lldb/include/lldb/Core/FormatEntity.h
===================================================================
--- lldb/include/lldb/Core/FormatEntity.h
+++ lldb/include/lldb/Core/FormatEntity.h
@@ -85,6 +85,7 @@
FunctionName,
FunctionNameWithArgs,
FunctionNameNoArgs,
+ FunctionMangledName,
FunctionAddrOffset,
FunctionAddrOffsetConcrete,
FunctionLineOffset,
Index: lldb/docs/use/formatting.rst
===================================================================
--- lldb/docs/use/formatting.rst
+++ lldb/docs/use/formatting.rst
@@ -92,6 +92,8 @@
+---------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ``function.name-without-args`` | The name of the current function without arguments and values (used to include a function name in-line in the ``disassembly-format``) |
+---------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+| ``function.mangled-name`` | The mangled name of the current function or symbol. |
++---------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ``function.pc-offset`` | The program counter offset within the current function or symbol |
+---------------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
| ``function.addr-offset`` | The offset in bytes of the current function, formatted as " + dddd" |
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