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Hi, In the document: http://llvm.org/docs/WritingAnLLVMBackend.html described example like: SparcTargetAsmInfo::SparcTargetAsmInfo(const SparcTargetMachine &TM) { Data16bitsDirective = "\t.half\t"; Data32bitsDirective = "\t.word\t"; Data64bitsDirective = 0; // .xword is only supported by V9. ZeroDirective = "\t.skip\t"; CommentString = "!"; ConstantPoolSection = "\t.section \".rodata\",#alloc\n"; } That is wrong for LLVM 3.0 In latest LLVM versions, Sparc have MC subtarget and: SparcELFMCAsmInfo::SparcELFMCAsmInf...

Dear LLVM-Mailing list (again), I still have another beginners question in my mind - thank you for your patience. Again I was playing around, but this time with llvm::Function. In an older question I learned, that I can replace a llvm::Function directly with an address. llvm::Function *function = mainModue->getFunction("puts"); function->replaceAllUsesWith(

Hi, I am trying to execute a simple hello world program compiled like so: path/to/compiled/clang -o test --target=aarch64-linux-gnu -march=armv8.5-a -fsanitize=hwaddress --sysroot=/usr/aarch64-linux-gnu/ -L/usr/lib/gcc/aarch64-linux-gnu/10.1.0/ -g test.c However, when I look at the disassembly, there is an unknown instruction listed at 0x2d51c: 000000000002d4c0 main: 2d4c0: ff c3 00 d1

Fantastic! Thanks for all of the input! I'll be considering all of it going forward. The plan right now is just to worry about ELF executables and nothing else. I'm very sympathetic to the "llvm-objtool" change. If everyone is cool with it I'll change the name in the next CL to "llvm-objtool". To start out I implemented a very basic ELF64LE specific bit of code.

...MCAsmInfo() { + PointerSize = 8; + + Code32Directive = ".code\t32"; + SupportsDebugInformation = true; + ExceptionsType = ExceptionHandling::DwarfCFI; + + /*Data16bitsDirective = "\t.hword\t"; + Data32bitsDirective = "\t.word\t"; + Data64bitsDirective = "\t.xword\t"; + + UseDataRegionDirectives = true; + + WeakRefDirective = "\t.weak\t"; + + HasLEB128 = true; + SupportsDebugInformation = true; + + // Exceptions handling + ExceptionsType = ExceptionHandling::DwarfCFI;*/ +} + +const MCExpr *AArch64MachOMCAsmInfo::getExprForPersonalitySymb...