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[Objdump] Allow instruction pretty printing to be specialized by the target triple.

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Differential Revision: http://reviews.llvm.org/D8427

llvm-svn: 238457
This commit is contained in:
Colin LeMahieu 2015-05-28 19:07:14 +00:00
parent 0c791a688f
commit bce7307df4
1 changed files with 28 additions and 6 deletions
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34
tools/llvm-objdump/llvm-objdump.cpp
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@ -201,6 +201,30 @@ bool llvm::RelocAddressLess(RelocationRef a, RelocationRef b) {
return a_addr < b_addr;
}
namespace {
class PrettyPrinter {
public:
virtual void printInst(MCInstPrinter &IP, const MCInst *MI, bool ShowRawInsn,
ArrayRef<uint8_t> Bytes, uint64_t Address,
raw_ostream &OS, StringRef Annot,
MCSubtargetInfo const &STI) {
outs() << format("%8" PRIx64 ":", Address);
if (!NoShowRawInsn) {
outs() << "\t";
dumpBytes(Bytes, outs());
}
IP.printInst(MI, outs(), "", STI);
}
};
PrettyPrinter PrettyPrinterInst;
PrettyPrinter &selectPrettyPrinter(Triple const &Triple, MCInstPrinter &IP) {
switch(Triple.getArch()) {
default:
return PrettyPrinterInst;
}
}
}
static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
const Target *TheTarget = getTarget(Obj);
// getTarget() will have already issued a diagnostic if necessary, so
@ -267,6 +291,7 @@ static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
<< '\n';
return;
}
PrettyPrinter &PIP = selectPrettyPrinter(Triple(TripleName), *IP);
StringRef Fmt = Obj->getBytesInAddress() > 4 ? "\t\t%016" PRIx64 ": " :
"\t\t\t%08" PRIx64 ": ";
@ -383,12 +408,9 @@ static void DisassembleObject(const ObjectFile *Obj, bool InlineRelocs) {
if (DisAsm->getInstruction(Inst, Size, Bytes.slice(Index),
SectionAddr + Index, DebugOut,
CommentStream)) {
outs() << format("%8" PRIx64 ":", SectionAddr + Index);
if (!NoShowRawInsn) {
outs() << "\t";
dumpBytes(ArrayRef<uint8_t>(Bytes.data() + Index, Size), outs());
}
IP->printInst(&Inst, outs(), "", *STI);
PIP.printInst(*IP, &Inst, !NoShowRawInsn,
Bytes.slice(Index, Size),
SectionAddr + Index, outs(), "", *STI);
outs() << CommentStream.str();
Comments.clear();
outs() << "\n";