diff options
| -rw-r--r-- | test/tools/llvm-readobj/macho-needed-libs.test | 26 | ||||
| -rw-r--r-- | tools/llvm-readobj/MachODumper.cpp | 30 |
2 files changed, 56 insertions, 0 deletions
diff --git a/test/tools/llvm-readobj/macho-needed-libs.test b/test/tools/llvm-readobj/macho-needed-libs.test new file mode 100644 index 00000000000..22e6948e758 --- /dev/null +++ b/test/tools/llvm-readobj/macho-needed-libs.test @@ -0,0 +1,26 @@ +# RUN: yaml2obj %s -o %t.o +# RUN: llvm-readobj -needed-libs %t.o | FileCheck %s + +# CHECK: NeededLibraries [ +# CHECK-NEXT: /usr/lib/libSystem.B.dylib +# CHECK-NEXT: ] + +!mach-o +FileHeader: + magic: 0xFEEDFACF + cputype: 0x01000007 + cpusubtype: 0x00000003 + filetype: 0x00000001 + ncmds: 1 + sizeofcmds: 56 + flags: 0x00002000 + reserved: 0x00000000 +LoadCommands: + - cmd: LC_LOAD_DYLIB + cmdsize: 56 + dylib: + name: 24 + timestamp: 2 + current_version: 81985536 + compatibility_version: 65536 + PayloadString: /usr/lib/libSystem.B.dylib diff --git a/tools/llvm-readobj/MachODumper.cpp b/tools/llvm-readobj/MachODumper.cpp index 39e90927993..64178d7b33a 100644 --- a/tools/llvm-readobj/MachODumper.cpp +++ b/tools/llvm-readobj/MachODumper.cpp @@ -39,6 +39,8 @@ public: void printUnwindInfo() override; void printStackMap() const override; + void printNeededLibraries() override; + // MachO-specific. void printMachODataInCode() override; void printMachOVersionMin() override; @@ -675,6 +677,34 @@ void MachODumper::printStackMap() const { StackMapV2Parser<support::big>(StackMapContentsArray)); } +void MachODumper::printNeededLibraries() { + ListScope D(W, "NeededLibraries"); + + using LibsTy = std::vector<StringRef>; + LibsTy Libs; + + for (const auto &Command : Obj->load_commands()) { + if (Command.C.cmd == MachO::LC_LOAD_DYLIB || + Command.C.cmd == MachO::LC_ID_DYLIB || + Command.C.cmd == MachO::LC_LOAD_WEAK_DYLIB || + Command.C.cmd == MachO::LC_REEXPORT_DYLIB || + Command.C.cmd == MachO::LC_LAZY_LOAD_DYLIB || + Command.C.cmd == MachO::LC_LOAD_UPWARD_DYLIB) { + MachO::dylib_command Dl = Obj->getDylibIDLoadCommand(Command); + if (Dl.dylib.name < Dl.cmdsize) { + auto *P = static_cast<const char*>(Command.Ptr) + Dl.dylib.name; + Libs.push_back(P); + } + } + } + + std::stable_sort(Libs.begin(), Libs.end()); + + for (const auto &L : Libs) { + outs() << " " << L << "\n"; + } +} + void MachODumper::printMachODataInCode() { for (const auto &Load : Obj->load_commands()) { if (Load.C.cmd == MachO::LC_DATA_IN_CODE) { |