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Add the option, -archive-headers, used with -macho to print the Mach-O archive headers to llvm-objdump.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@226228 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Kevin Enderby
2015-01-15 23:19:11 +00:00
parent c204f47feb
commit cdfe54f8a9
6 changed files with 151 additions and 3 deletions
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117
tools/llvm-objdump/MachODump.cpp
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@@ -66,9 +66,14 @@ static cl::opt<bool>
PrintImmHex("print-imm-hex",
cl::desc("Use hex format for immediate values"));
cl::opt<bool> llvm::UniversalHeaders("universal-headers",
cl::desc("Print Mach-O universal headers "
"(requires -macho)"));
cl::opt<bool>
llvm::UniversalHeaders("universal-headers",
cl::desc("Print Mach-O universal headers"));
llvm::ArchiveHeaders("archive-headers",
cl::desc("Print archive headers for Mach-O archives "
"(requires -macho)"));
static cl::list<std::string>
ArchFlags("arch", cl::desc("architecture(s) from a Mach-O file to dump"),
@@ -514,6 +519,106 @@ static void printMachOUniversalHeaders(const object::MachOUniversalBinary *UB,
}
}
static void printArchiveChild(Archive::Child &C, bool verbose,
bool print_offset) {
if (print_offset)
outs() << C.getChildOffset() << "\t";
sys::fs::perms Mode = C.getAccessMode();
if (verbose) {
// FIXME: this first dash, "-", is for (Mode & S_IFMT) == S_IFREG.
// But there is nothing in sys::fs::perms for S_IFMT or S_IFREG.
outs() << "-";
if (Mode & sys::fs::owner_read)
outs() << "r";
else
outs() << "-";
if (Mode & sys::fs::owner_write)
outs() << "w";
else
outs() << "-";
if (Mode & sys::fs::owner_exe)
outs() << "x";
else
outs() << "-";
if (Mode & sys::fs::group_read)
outs() << "r";
else
outs() << "-";
if (Mode & sys::fs::group_write)
outs() << "w";
else
outs() << "-";
if (Mode & sys::fs::group_exe)
outs() << "x";
else
outs() << "-";
if (Mode & sys::fs::others_read)
outs() << "r";
else
outs() << "-";
if (Mode & sys::fs::others_write)
outs() << "w";
else
outs() << "-";
if (Mode & sys::fs::others_exe)
outs() << "x";
else
outs() << "-";
} else {
outs() << format("0%o ", Mode);
}
unsigned UID = C.getUID();
outs() << format("%3d/", UID);
unsigned GID = C.getGID();
outs() << format("%-3d ", GID);
uint64_t Size = C.getRawSize() - sizeof(object::ArchiveMemberHeader);
outs() << format("%5d ", Size);
StringRef RawLastModified = C.getRawLastModified();
if (verbose) {
unsigned Seconds;
if (RawLastModified.getAsInteger(10, Seconds))
outs() << "(date: \"%s\" contains non-decimal chars) " << RawLastModified;
else {
// Since cime(3) returns a 26 character string of the form:
// "Sun Sep 16 01:03:52 1973\n\0"
// just print 24 characters.
time_t t = Seconds;
outs() << format("%.24s ", ctime(&t));
}
} else {
outs() << RawLastModified << " ";
}
if (verbose) {
ErrorOr<StringRef> NameOrErr = C.getName();
if (NameOrErr.getError()) {
StringRef RawName = C.getRawName();
outs() << RawName << "\n";
} else {
StringRef Name = NameOrErr.get();
outs() << Name << "\n";
}
} else {
StringRef RawName = C.getRawName();
outs() << RawName << "\n";
}
}
static void printArchiveHeaders(Archive *A, bool verbose, bool print_offset) {
if (A->hasSymbolTable()) {
Archive::child_iterator S = A->getSymbolTableChild();
Archive::Child C = *S;
printArchiveChild(C, verbose, print_offset);
}
for (Archive::child_iterator I = A->child_begin(), E = A->child_end(); I != E;
++I) {
Archive::Child C = *I;
printArchiveChild(C, verbose, print_offset);
}
}
// ParseInputMachO() parses the named Mach-O file in Filename and handles the
// -arch flags selecting just those slices as specified by them and also parses
// archive files. Then for each individual Mach-O file ProcessMachO() is
@@ -542,6 +647,8 @@ void llvm::ParseInputMachO(StringRef Filename) {
if (Archive *A = dyn_cast<Archive>(&Bin)) {
outs() << "Archive : " << Filename << "\n";
if (ArchiveHeaders)
printArchiveHeaders(A, true, false);
for (Archive::child_iterator I = A->child_begin(), E = A->child_end();
I != E; ++I) {
ErrorOr<std::unique_ptr<Binary>> ChildOrErr = I->getAsBinary();
@@ -587,6 +694,8 @@ void llvm::ParseInputMachO(StringRef Filename) {
if (!ArchitectureName.empty())
outs() << " (architecture " << ArchitectureName << ")";
outs() << "\n";
if (ArchiveHeaders)
printArchiveHeaders(A.get(), true, false);
for (Archive::child_iterator AI = A->child_begin(),
AE = A->child_end();
AI != AE; ++AI) {
@@ -627,6 +736,8 @@ void llvm::ParseInputMachO(StringRef Filename) {
I->getAsArchive()) {
std::unique_ptr<Archive> &A = *AOrErr;
outs() << "Archive : " << Filename << "\n";
if (ArchiveHeaders)
printArchiveHeaders(A.get(), true, false);
for (Archive::child_iterator AI = A->child_begin(),
AE = A->child_end();
AI != AE; ++AI) {
@@ -662,6 +773,8 @@ void llvm::ParseInputMachO(StringRef Filename) {
if (!ArchitectureName.empty())
outs() << " (architecture " << ArchitectureName << ")";
outs() << "\n";
if (ArchiveHeaders)
printArchiveHeaders(A.get(), true, false);
for (Archive::child_iterator AI = A->child_begin(), AE = A->child_end();
AI != AE; ++AI) {
ErrorOr<std::unique_ptr<Binary>> ChildOrErr = AI->getAsBinary();