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[llvm-objdump] for mach-o add -bind, -lazy-bind, and -weak-bind options

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This finishes the ability of llvm-objdump to print out all information from
the LC_DYLD_INFO load command.

The -bind option prints out symbolic references that dyld must resolve 
immediately.

The -lazy-bind option prints out symbolc reference that are lazily resolved on 
first use.

The -weak-bind option prints out information about symbols which dyld must
try to coalesce across images.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217853 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Nick Kledzik
2014-09-16 01:41:51 +00:00
parent 2e363ece75
commit 367cf70f27
11 changed files with 544 additions and 3 deletions
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52
tools/llvm-objdump/llvm-objdump.cpp
View File

@ -84,6 +84,15 @@ ExportsTrie("exports-trie", cl::desc("Display mach-o exported symbols"));
static cl::opt<bool>
Rebase("rebase", cl::desc("Display mach-o rebasing info"));
static cl::opt<bool>
Bind("bind", cl::desc("Display mach-o binding info"));
static cl::opt<bool>
LazyBind("lazy-bind", cl::desc("Display mach-o lazy binding info"));
static cl::opt<bool>
WeakBind("weak-bind", cl::desc("Display mach-o weak binding info"));
static cl::opt<bool>
MachOOpt("macho", cl::desc("Use MachO specific object file parser"));
static cl::alias
@ -736,6 +745,38 @@ static void printRebaseTable(const ObjectFile *o) {
}
}
static void printBindTable(const ObjectFile *o) {
outs() << "Bind table:\n";
if (const MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
printMachOBindTable(MachO);
else {
errs() << "This operation is only currently supported "
"for Mach-O executable files.\n";
return;
}
}
static void printLazyBindTable(const ObjectFile *o) {
outs() << "Lazy bind table:\n";
if (const MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
printMachOLazyBindTable(MachO);
else {
errs() << "This operation is only currently supported "
"for Mach-O executable files.\n";
return;
}
}
static void printWeakBindTable(const ObjectFile *o) {
outs() << "Weak bind table:\n";
if (const MachOObjectFile *MachO = dyn_cast<MachOObjectFile>(o))
printMachOWeakBindTable(MachO);
else {
errs() << "This operation is only currently supported "
"for Mach-O executable files.\n";
return;
}
}
static void printPrivateFileHeader(const ObjectFile *o) {
if (o->isELF()) {
@ -770,6 +811,12 @@ static void DumpObject(const ObjectFile *o) {
printExportsTrie(o);
if (Rebase)
printRebaseTable(o);
if (Bind)
printBindTable(o);
if (LazyBind)
printLazyBindTable(o);
if (WeakBind)
printWeakBindTable(o);
}
/// @brief Dump each object file in \a a;
@ -853,7 +900,10 @@ int main(int argc, char **argv) {
&& !UnwindInfo
&& !PrivateHeaders
&& !ExportsTrie
&& !Rebase) {
&& !Rebase
&& !Bind
&& !LazyBind
&& !WeakBind) {
cl::PrintHelpMessage();
return 2;
}