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author | Kevin Enderby <enderby@apple.com> | 2014-05-14 21:18:50 +0000 |
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committer | Kevin Enderby <enderby@apple.com> | 2014-05-14 21:18:50 +0000 |
commit | 14963a696b8c4dc89409889288e85f531bd59534 (patch) | |
tree | ad667409d3bd4d20e9c5779e7818c4c0d11bbeda | |
parent | 6b543713a25c20c028cc0bbca0dd8b052c61e000 (diff) | |
download | llvm-14963a696b8c4dc89409889288e85f531bd59534.tar.gz llvm-14963a696b8c4dc89409889288e85f531bd59534.tar.bz2 llvm-14963a696b8c4dc89409889288e85f531bd59534.tar.xz |
Teach llvm-nm to know about fat archives (aka MachOUniversal files
containing archives). First step as other tools will be updated next.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@208812 91177308-0d34-0410-b5e6-96231b3b80d8
-rw-r--r-- | include/llvm/Object/MachOUniversal.h | 3 | ||||
-rw-r--r-- | lib/Object/MachOUniversal.cpp | 20 | ||||
-rw-r--r-- | test/Object/Inputs/macho-universal-archive.x86_64.i386 | bin | 0 -> 1656 bytes | |||
-rw-r--r-- | test/Object/nm-universal-binary.test | 23 | ||||
-rw-r--r-- | tools/llvm-nm/llvm-nm.cpp | 14 |
5 files changed, 55 insertions, 5 deletions
diff --git a/include/llvm/Object/MachOUniversal.h b/include/llvm/Object/MachOUniversal.h index da1445fd70..d27c824a87 100644 --- a/include/llvm/Object/MachOUniversal.h +++ b/include/llvm/Object/MachOUniversal.h @@ -17,6 +17,7 @@ #include "llvm/ADT/StringRef.h" #include "llvm/ADT/Triple.h" #include "llvm/Object/Binary.h" +#include "llvm/Object/Archive.h" #include "llvm/Support/ErrorOr.h" #include "llvm/Support/MachO.h" @@ -53,6 +54,8 @@ public: uint32_t getCPUType() const { return Header.cputype; } error_code getAsObjectFile(std::unique_ptr<ObjectFile> &Result) const; + + error_code getAsArchive(std::unique_ptr<Archive> &Result) const; }; class object_iterator { diff --git a/lib/Object/MachOUniversal.cpp b/lib/Object/MachOUniversal.cpp index 3f3731f22d..5085efde5e 100644 --- a/lib/Object/MachOUniversal.cpp +++ b/lib/Object/MachOUniversal.cpp @@ -14,6 +14,7 @@ #include "llvm/Object/MachOUniversal.h" #include "llvm/Object/MachO.h" #include "llvm/Object/ObjectFile.h" +#include "llvm/Object/Archive.h" #include "llvm/Support/Casting.h" #include "llvm/Support/Host.h" #include "llvm/Support/MemoryBuffer.h" @@ -90,6 +91,25 @@ error_code MachOUniversalBinary::ObjectForArch::getAsObjectFile( return object_error::parse_failed; } +error_code MachOUniversalBinary::ObjectForArch::getAsArchive( + std::unique_ptr<Archive> &Result) const { + if (Parent) { + StringRef ParentData = Parent->getData(); + StringRef ObjectData = ParentData.substr(Header.offset, Header.size); + std::string ObjectName = + Parent->getFileName().str() + ":" + + Triple::getArchTypeName(MachOObjectFile::getArch(Header.cputype)); + MemoryBuffer *ObjBuffer = MemoryBuffer::getMemBuffer( + ObjectData, ObjectName, false); + ErrorOr<Archive *> Obj = Archive::create(ObjBuffer); + if (error_code EC = Obj.getError()) + return EC; + Result.reset(Obj.get()); + return object_error::success; + } + return object_error::parse_failed; +} + void MachOUniversalBinary::anchor() { } ErrorOr<MachOUniversalBinary *> diff --git a/test/Object/Inputs/macho-universal-archive.x86_64.i386 b/test/Object/Inputs/macho-universal-archive.x86_64.i386 Binary files differnew file mode 100644 index 0000000000..1660714c68 --- /dev/null +++ b/test/Object/Inputs/macho-universal-archive.x86_64.i386 diff --git a/test/Object/nm-universal-binary.test b/test/Object/nm-universal-binary.test index 07a97f7aff..faf4812e53 100644 --- a/test/Object/nm-universal-binary.test +++ b/test/Object/nm-universal-binary.test @@ -1,6 +1,19 @@ -RUN: llvm-nm %p/Inputs/macho-universal.x86_64.i386 | FileCheck %s +RUN: llvm-nm %p/Inputs/macho-universal.x86_64.i386 \ +RUN: | FileCheck %s -check-prefix CHECK-OBJ +RUN: llvm-nm %p/Inputs/macho-universal-archive.x86_64.i386 \ +RUN: | FileCheck %s -check-prefix CHECK-AR -CHECK: macho-universal.x86_64.i386:x86_64 -CHECK: 0000000100000f60 T _main -CHECK: macho-universal.x86_64.i386:i386 -CHECK: 00001fa0 T _main +CHECK-OBJ: macho-universal.x86_64.i386:x86_64 +CHECK-OBJ: 0000000100000f60 T _main +CHECK-OBJ: macho-universal.x86_64.i386:i386 +CHECK-OBJ: 00001fa0 T _main + +CHECK-AR: macho-universal-archive.x86_64.i386:x86_64:hello.o: +CHECK-AR: 0000000000000068 s EH_frame0 +CHECK-AR: 000000000000003b s L_.str +CHECK-AR: 0000000000000000 T _main +CHECK-AR: 0000000000000080 S _main.eh +CHECK-AR: 0000000000000000 U _printf +CHECK-AR: macho-universal-archive.x86_64.i386:i386:foo.o: +CHECK-AR: 00000008 S _bar +CHECK-AR: 00000000 T _foo diff --git a/tools/llvm-nm/llvm-nm.cpp b/tools/llvm-nm/llvm-nm.cpp index 0a1491b846..57e9d55c86 100644 --- a/tools/llvm-nm/llvm-nm.cpp +++ b/tools/llvm-nm/llvm-nm.cpp @@ -595,10 +595,24 @@ static void dumpSymbolNamesFromFile(std::string &Filename) { E = UB->end_objects(); I != E; ++I) { std::unique_ptr<ObjectFile> Obj; + std::unique_ptr<Archive> A; if (!I->getAsObjectFile(Obj)) { outs() << Obj->getFileName() << ":\n"; dumpSymbolNamesFromObject(Obj.get()); } + else if (!I->getAsArchive(A)) { + for (Archive::child_iterator AI = A->child_begin(), AE = A->child_end(); + AI != AE; ++AI) { + std::unique_ptr<Binary> Child; + if (AI->getAsBinary(Child, &Context)) + continue; + if (SymbolicFile *O = dyn_cast<SymbolicFile>(Child.get())) { + outs() << A->getFileName() << ":"; + outs() << O->getFileName() << ":\n"; + dumpSymbolNamesFromObject(O); + } + } + } } return; } |