diff options
author | Nico Weber <nicolasweber@gmx.de> | 2019-04-03 23:14:33 +0000 |
---|---|---|
committer | Nico Weber <nicolasweber@gmx.de> | 2019-04-03 23:14:33 +0000 |
commit | c2b872549359704d9af9b693fda47926b2fd1531 (patch) | |
tree | 4805b282f2d0a01cf77c3a5a8e86459c312e8895 /libcxxabi | |
parent | c9a012e4eab7f2e9aa8701451b0bf7c6b80222ac (diff) | |
download | bcm5719-llvm-c2b872549359704d9af9b693fda47926b2fd1531.tar.gz bcm5719-llvm-c2b872549359704d9af9b693fda47926b2fd1531.zip |
llvm-cxxfilt: Demangle gcc "old-style unified" ctors and dtors
These are variant 4, cf
https://github.com/gcc-mirror/gcc/blob/master/gcc/cp/mangle.c#L1851
https://github.com/gcc-mirror/gcc/blob/master/gcc/cp/mangle.c#L1880
and gcc seems to sometimes emit them still.
Differential Revision: https://reviews.llvm.org/D60229
llvm-svn: 357645
Diffstat (limited to 'libcxxabi')
-rw-r--r-- | libcxxabi/src/demangle/ItaniumDemangle.h | 17 | ||||
-rw-r--r-- | libcxxabi/test/test_demangle.pass.cpp | 6 |
2 files changed, 16 insertions, 7 deletions
diff --git a/libcxxabi/src/demangle/ItaniumDemangle.h b/libcxxabi/src/demangle/ItaniumDemangle.h index df06aa62d33..4dca309e3cb 100644 --- a/libcxxabi/src/demangle/ItaniumDemangle.h +++ b/libcxxabi/src/demangle/ItaniumDemangle.h @@ -2794,11 +2794,13 @@ AbstractManglingParser<Derived, Alloc>::parseOperatorName(NameState *State) { // <ctor-dtor-name> ::= C1 # complete object constructor // ::= C2 # base object constructor // ::= C3 # complete object allocating constructor -// extension ::= C5 # ? +// extension ::= C4 # gcc old-style "[unified]" constructor +// extension ::= C5 # the COMDAT used for ctors // ::= D0 # deleting destructor // ::= D1 # complete object destructor // ::= D2 # base object destructor -// extension ::= D5 # ? +// extension ::= D4 # gcc old-style "[unified]" destructor +// extension ::= D5 # the COMDAT used for dtors template <typename Derived, typename Alloc> Node * AbstractManglingParser<Derived, Alloc>::parseCtorDtorName(Node *&SoFar, @@ -2821,7 +2823,8 @@ AbstractManglingParser<Derived, Alloc>::parseCtorDtorName(Node *&SoFar, if (consumeIf('C')) { bool IsInherited = consumeIf('I'); - if (look() != '1' && look() != '2' && look() != '3' && look() != '5') + if (look() != '1' && look() != '2' && look() != '3' && look() != '4' && + look() != '5') return nullptr; int Variant = look() - '0'; ++First; @@ -2830,15 +2833,15 @@ AbstractManglingParser<Derived, Alloc>::parseCtorDtorName(Node *&SoFar, if (getDerived().parseName(State) == nullptr) return nullptr; } - return make<CtorDtorName>(SoFar, false, Variant); + return make<CtorDtorName>(SoFar, /*IsDtor=*/false, Variant); } - if (look() == 'D' && - (look(1) == '0' || look(1) == '1' || look(1) == '2' || look(1) == '5')) { + if (look() == 'D' && (look(1) == '0' || look(1) == '1' || look(1) == '2' || + look(1) == '4' || look(1) == '5')) { int Variant = look(1) - '0'; First += 2; if (State) State->CtorDtorConversion = true; - return make<CtorDtorName>(SoFar, true, Variant); + return make<CtorDtorName>(SoFar, /*IsDtor=*/true, Variant); } return nullptr; diff --git a/libcxxabi/test/test_demangle.pass.cpp b/libcxxabi/test/test_demangle.pass.cpp index ddc19617450..bc99ca7cee9 100644 --- a/libcxxabi/test/test_demangle.pass.cpp +++ b/libcxxabi/test/test_demangle.pass.cpp @@ -767,8 +767,14 @@ const char* cases[][2] = {"_ZNK5clang14ASTMergeAction24hasCodeCompletionSupportEv", "clang::ASTMergeAction::hasCodeCompletionSupport() const"}, {"_ZN5clang7ASTUnitC1Eb", "clang::ASTUnit::ASTUnit(bool)"}, {"_ZN5clang7ASTUnitC2Eb", "clang::ASTUnit::ASTUnit(bool)"}, + {"_ZN5clang7ASTUnitC3Eb", "clang::ASTUnit::ASTUnit(bool)"}, + {"_ZN5clang7ASTUnitC4Eb", "clang::ASTUnit::ASTUnit(bool)"}, + {"_ZN5clang7ASTUnitC5Eb", "clang::ASTUnit::ASTUnit(bool)"}, + {"_ZN5clang7ASTUnitD0Ev", "clang::ASTUnit::~ASTUnit()"}, {"_ZN5clang7ASTUnitD1Ev", "clang::ASTUnit::~ASTUnit()"}, {"_ZN5clang7ASTUnitD2Ev", "clang::ASTUnit::~ASTUnit()"}, + {"_ZN5clang7ASTUnitD4Ev", "clang::ASTUnit::~ASTUnit()"}, + {"_ZN5clang7ASTUnitD5Ev", "clang::ASTUnit::~ASTUnit()"}, {"_ZN5clang7ASTUnit19CleanTemporaryFilesEv", "clang::ASTUnit::CleanTemporaryFiles()"}, {"_ZN5clang7ASTUnit28ClearCachedCompletionResultsEv", "clang::ASTUnit::ClearCachedCompletionResults()"}, {"_ZN5clang7ASTUnit26CacheCodeCompletionResultsEv", "clang::ASTUnit::CacheCodeCompletionResults()"}, |