From a22e923106a8faabff9cfe5ab6d73f5eddfcfa71 Mon Sep 17 00:00:00 2001 From: Jason Molenda Date: Fri, 22 Dec 2017 00:16:04 +0000 Subject: Change the default Aarch64 ISA to be v8.2 to correctly decode newer instructions (e.g. on the new iphones). llvm-svn: 321328 --- lldb/source/Plugins/Disassembler/llvm/DisassemblerLLVMC.cpp | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'lldb/source/Plugins/Disassembler/llvm/DisassemblerLLVMC.cpp') diff --git a/lldb/source/Plugins/Disassembler/llvm/DisassemblerLLVMC.cpp b/lldb/source/Plugins/Disassembler/llvm/DisassemblerLLVMC.cpp index 21e19bf2b12..a61abb9898a 100644 --- a/lldb/source/Plugins/Disassembler/llvm/DisassemblerLLVMC.cpp +++ b/lldb/source/Plugins/Disassembler/llvm/DisassemblerLLVMC.cpp @@ -1127,6 +1127,11 @@ DisassemblerLLVMC::DisassemblerLLVMC(const ArchSpec &arch, features_str += "+dspr2,"; } + // If any AArch64 variant, enable the ARMv8.2 ISA + // extensions so we can disassemble newer instructions. + if (triple.getArch() == llvm::Triple::aarch64) + features_str += "+v8.2a"; + m_disasm_ap.reset(new LLVMCDisassembler(triple_str, cpu, features_str.c_str(), flavor, *this)); if (!m_disasm_ap->IsValid()) { -- cgit v1.2.3