From 2d3faad706c81814abc5e4080df38c4bccde1d48 Mon Sep 17 00:00:00 2001 From: Igor Kudrin Date: Tue, 26 Feb 2019 12:15:14 +0000 Subject: [llvm-objdump] Implement -Mreg-names-raw/-std options. The --disassembler-options, or -M, are used to customize the disassembler and affect its output. The two implemented options allow selecting register names on ARM: * With -Mreg-names-raw, the disassembler uses rNN for all registers. * With -Mreg-names-std it prints sp, lr and pc for r13, r14 and r15, which is the default behavior of llvm-objdump. Differential Revision: https://reviews.llvm.org/D57680 llvm-svn: 354870 --- llvm/tools/llvm-objdump/llvm-objdump.cpp | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'llvm/tools/llvm-objdump/llvm-objdump.cpp') diff --git a/llvm/tools/llvm-objdump/llvm-objdump.cpp b/llvm/tools/llvm-objdump/llvm-objdump.cpp index e9d1545..914789f 100644 --- a/llvm/tools/llvm-objdump/llvm-objdump.cpp +++ b/llvm/tools/llvm-objdump/llvm-objdump.cpp @@ -293,6 +293,15 @@ cl::alias DisassembleZeroesShort("z", cl::NotHidden, cl::Grouping, cl::aliasopt(DisassembleZeroes)); +static cl::list + DisassemblerOptions("disassembler-options", + cl::desc("Pass target specific disassembler options"), + cl::value_desc("options"), cl::CommaSeparated); +static cl::alias + DisassemblerOptionsShort("M", cl::desc("Alias for --disassembler-options"), + cl::NotHidden, cl::Prefix, cl::CommaSeparated, + cl::aliasopt(DisassemblerOptions)); + static StringRef ToolName; typedef std::vector> SectionSymbolsTy; @@ -1473,6 +1482,10 @@ static void disassembleObject(const ObjectFile *Obj, bool InlineRelocs) { PrettyPrinter &PIP = selectPrettyPrinter(Triple(TripleName)); SourcePrinter SP(Obj, TheTarget->getName()); + for (StringRef Opt : DisassemblerOptions) + if (!IP->applyTargetSpecificCLOption(Opt)) + error("Unrecognized disassembler option: " + Opt); + disassembleObject(TheTarget, Obj, Ctx, DisAsm.get(), MIA.get(), IP.get(), STI.get(), PIP, SP, InlineRelocs); } -- cgit v1.1