-//===-- ARMMCAsmInfo.cpp - ARM asm properties -------------------*- C++ -*-===//
+//===-- ARMMCAsmInfo.cpp - ARM asm properties -----------------------------===//
//
// The LLVM Compiler Infrastructure
//
//===----------------------------------------------------------------------===//
#include "ARMMCAsmInfo.h"
+#include "llvm/ADT/Triple.h"
#include "llvm/Support/CommandLine.h"
using namespace llvm;
-extern cl::opt<ExceptionHandling::ARMEHABIMode> EnableARMEHABI;
-
-
-static const char *const arm_asm_table[] = {
- "{r0}", "r0",
- "{r1}", "r1",
- "{r2}", "r2",
- "{r3}", "r3",
- "{r4}", "r4",
- "{r5}", "r5",
- "{r6}", "r6",
- "{r7}", "r7",
- "{r8}", "r8",
- "{r9}", "r9",
- "{r10}", "r10",
- "{r11}", "r11",
- "{r12}", "r12",
- "{r13}", "r13",
- "{r14}", "r14",
- "{lr}", "lr",
- "{sp}", "sp",
- "{ip}", "ip",
- "{fp}", "fp",
- "{sl}", "sl",
- "{memory}", "memory",
- "{cc}", "cc",
- 0,0
-};
-
void ARMMCAsmInfoDarwin::anchor() { }
-ARMMCAsmInfoDarwin::ARMMCAsmInfoDarwin() {
- AsmTransCBE = arm_asm_table;
- Data64bitsDirective = 0;
+ARMMCAsmInfoDarwin::ARMMCAsmInfoDarwin(const Triple &TheTriple) {
+ if ((TheTriple.getArch() == Triple::armeb) ||
+ (TheTriple.getArch() == Triple::thumbeb))
+ IsLittleEndian = false;
+
+ Data64bitsDirective = nullptr;
CommentString = "@";
Code16Directive = ".code\t16";
Code32Directive = ".code\t32";
+ UseDataRegionDirectives = true;
SupportsDebugInformation = true;
// Exceptions handling
- ExceptionsType = ExceptionHandling::SjLj;
+ ExceptionsType = TheTriple.isOSDarwin() && !TheTriple.isWatchOS()
+ ? ExceptionHandling::SjLj
+ : ExceptionHandling::DwarfCFI;
+
+ UseIntegratedAssembler = true;
}
void ARMELFMCAsmInfo::anchor() { }
-ARMELFMCAsmInfo::ARMELFMCAsmInfo() {
+ARMELFMCAsmInfo::ARMELFMCAsmInfo(const Triple &TheTriple) {
+ if ((TheTriple.getArch() == Triple::armeb) ||
+ (TheTriple.getArch() == Triple::thumbeb))
+ IsLittleEndian = false;
+
// ".comm align is in bytes but .align is pow-2."
AlignmentIsInBytes = false;
- Data64bitsDirective = 0;
+ Data64bitsDirective = nullptr;
CommentString = "@";
- PrivateGlobalPrefix = ".L";
Code16Directive = ".code\t16";
Code32Directive = ".code\t32";
- WeakRefDirective = "\t.weak\t";
- LCOMMDirectiveType = LCOMM::NoAlignment;
-
- HasLEB128 = true;
SupportsDebugInformation = true;
// Exceptions handling
- if (EnableARMEHABI != ExceptionHandling::ARMEHABIDisabled)
+ switch (TheTriple.getOS()) {
+ case Triple::Bitrig:
+ case Triple::NetBSD:
+ ExceptionsType = ExceptionHandling::DwarfCFI;
+ break;
+ default:
ExceptionsType = ExceptionHandling::ARM;
+ break;
+ }
+
+ // foo(plt) instead of foo@plt
+ UseParensForSymbolVariant = true;
+
+ UseIntegratedAssembler = true;
+}
+
+void ARMELFMCAsmInfo::setUseIntegratedAssembler(bool Value) {
+ UseIntegratedAssembler = Value;
+ if (!UseIntegratedAssembler) {
+ // gas doesn't handle VFP register names in cfi directives,
+ // so don't use register names with external assembler.
+ // See https://sourceware.org/bugzilla/show_bug.cgi?id=16694
+ DwarfRegNumForCFI = true;
+ }
+}
+
+void ARMCOFFMCAsmInfoMicrosoft::anchor() { }
+
+ARMCOFFMCAsmInfoMicrosoft::ARMCOFFMCAsmInfoMicrosoft() {
+ AlignmentIsInBytes = false;
+
+ PrivateGlobalPrefix = "$M";
+ PrivateLabelPrefix = "$M";
+}
+
+void ARMCOFFMCAsmInfoGNU::anchor() { }
+
+ARMCOFFMCAsmInfoGNU::ARMCOFFMCAsmInfoGNU() {
+ AlignmentIsInBytes = false;
+ HasSingleParameterDotFile = true;
+
+ CommentString = "@";
+ Code16Directive = ".code\t16";
+ Code32Directive = ".code\t32";
+ PrivateGlobalPrefix = ".L";
+ PrivateLabelPrefix = ".L";
+
+ SupportsDebugInformation = true;
+ ExceptionsType = ExceptionHandling::None;
+ UseParensForSymbolVariant = true;
+
+ UseIntegratedAssembler = false;
+ DwarfRegNumForCFI = true;
}
+