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[llvm-objdump] properly use c_str() with format("%s"). Improve getLibraryShortNameByIndex() error handling.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217930 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Kledzik 2014-09-17 00:25:22 +00:00
parent 5c16c4e45a
commit 2b90611892
4 changed files with 13 additions and 18 deletions
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15
lib/Object/MachOObjectFile.cpp
View File

@ -1184,27 +1184,22 @@ std::error_code MachOObjectFile::getLibraryShortNameByIndex(unsigned Index,
if (Index >= Libraries.size())
return object_error::parse_failed;
MachO::dylib_command D =
getStruct<MachO::dylib_command>(this, Libraries[Index]);
if (D.dylib.name >= D.cmdsize)
return object_error::parse_failed;
// If the cache of LibrariesShortNames is not built up do that first for
// all the Libraries.
if (LibrariesShortNames.size() == 0) {
for (unsigned i = 0; i < Libraries.size(); i++) {
MachO::dylib_command D =
getStruct<MachO::dylib_command>(this, Libraries[i]);
if (D.dylib.name >= D.cmdsize) {
LibrariesShortNames.push_back(StringRef());
continue;
}
if (D.dylib.name >= D.cmdsize)
return object_error::parse_failed;
const char *P = (const char *)(Libraries[i]) + D.dylib.name;
StringRef Name = StringRef(P);
if (D.dylib.name+Name.size() >= D.cmdsize)
return object_error::parse_failed;
StringRef Suffix;
bool isFramework;
StringRef shortName = guessLibraryShortName(Name, isFramework, Suffix);
if (shortName == StringRef())
if (shortName.empty())
LibrariesShortNames.push_back(Name);
else
LibrariesShortNames.push_back(shortName);

6
test/tools/llvm-objdump/macho-bind.test
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@ -6,6 +6,6 @@
# CHECK:__DATA __data 0x00001028 pointer 0 flat-namespace _any
# CHECK:__DATA __data 0x00001020 pointer 0 main-executable _fromApp
# CHECK:__DATA __data 0x00001018 pointer 0 this-image _myfunc
# CHECK:__DATA __data 0x00001000 pointer 0 libfoo.dylib _foo
# CHECK:__DATA __data 0x00001008 pointer 0 libbar.dylib _bar
# CHECK:__DATA __data 0x00001010 pointer 0 libSystem.B.dylib _malloc
# CHECK:__DATA __data 0x00001000 pointer 0 libfoo _foo
# CHECK:__DATA __data 0x00001008 pointer 0 libbar _bar
# CHECK:__DATA __data 0x00001010 pointer 0 libSystem _malloc

6
test/tools/llvm-objdump/macho-lazy-bind.test
View File

@ -3,6 +3,6 @@
# RUN: && FileCheck %s < %t || cat %t
# CHECK: __DATA __la_symbol_ptr 0x100001010 libfoo.dylib _foo
# CHECK: __DATA __la_symbol_ptr 0x100001018 libbar.dylib _bar
# CHECK: __DATA __la_symbol_ptr 0x100001020 libSystem.B.dylib _malloc
# CHECK: __DATA __la_symbol_ptr 0x100001010 libfoo _foo
# CHECK: __DATA __la_symbol_ptr 0x100001018 libbar _bar
# CHECK: __DATA __la_symbol_ptr 0x100001020 libSystem _malloc

4
tools/llvm-objdump/MachODump.cpp
View File

@ -2482,7 +2482,7 @@ void llvm::printMachOBindTable(const object::MachOObjectFile *Obj) {
Address,
Entry.typeName().str().c_str(),
Entry.addend(),
ordinalName(Obj, Entry.ordinal()))
ordinalName(Obj, Entry.ordinal()).str().c_str())
<< Entry.symbolName();
if (Entry.flags() & MachO::BIND_SYMBOL_FLAGS_WEAK_IMPORT)
outs() << " (weak_import)\n";
@ -2514,7 +2514,7 @@ void llvm::printMachOLazyBindTable(const object::MachOObjectFile *Obj) {
SegmentName.str().c_str(),
SectionName.str().c_str(),
Address,
ordinalName(Obj, Entry.ordinal()))
ordinalName(Obj, Entry.ordinal()).str().c_str())
<< Entry.symbolName() << "\n";
}
}