1 files changed, 158 insertions, 0 deletions
diff --git a/llvm/lib/Object/MachOObjectFile.cpp b/llvm/lib/Object/MachOObjectFile.cpp
index abadb04..e09dc94 100644
--- a/llvm/lib/Object/MachOObjectFile.cpp
+++ b/llvm/lib/Object/MachOObjectFile.cpp
@@ -2685,6 +2685,164 @@ StringRef MachOObjectFile::getFileFormatName() const {
   }
 }
 
+Triple::ArchType MachOObjectFile::getArch(uint32_t CPUType, uint32_t CPUSubType) {
+  switch (CPUType) {
+  case MachO::CPU_TYPE_I386:
+    return Triple::x86;
+  case MachO::CPU_TYPE_X86_64:
+    return Triple::x86_64;
+  case MachO::CPU_TYPE_ARM:
+    return Triple::arm;
+  case MachO::CPU_TYPE_ARM64:
+    return Triple::aarch64;
+  case MachO::CPU_TYPE_ARM64_32:
+    return Triple::aarch64_32;
+  case MachO::CPU_TYPE_POWERPC:
+    return Triple::ppc;
+  case MachO::CPU_TYPE_POWERPC64:
+    return Triple::ppc64;
+  default:
+    return Triple::UnknownArch;
+  }
+}
+
+Triple MachOObjectFile::getArchTriple(uint32_t CPUType, uint32_t CPUSubType,
+                                      const char **McpuDefault,
+                                      const char **ArchFlag) {
+  if (McpuDefault)
+    *McpuDefault = nullptr;
+  if (ArchFlag)
+    *ArchFlag = nullptr;
+
+  switch (CPUType) {
+  case MachO::CPU_TYPE_I386:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_I386_ALL:
+      if (ArchFlag)
+        *ArchFlag = "i386";
+      return Triple("i386-apple-darwin");
+    default:
+      return Triple();
+    }
+  case MachO::CPU_TYPE_X86_64:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_X86_64_ALL:
+      if (ArchFlag)
+        *ArchFlag = "x86_64";
+      return Triple("x86_64-apple-darwin");
+    case MachO::CPU_SUBTYPE_X86_64_H:
+      if (ArchFlag)
+        *ArchFlag = "x86_64h";
+      return Triple("x86_64h-apple-darwin");
+    default:
+      return Triple();
+    }
+  case MachO::CPU_TYPE_ARM:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_ARM_V4T:
+      if (ArchFlag)
+        *ArchFlag = "armv4t";
+      return Triple("armv4t-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V5TEJ:
+      if (ArchFlag)
+        *ArchFlag = "armv5e";
+      return Triple("armv5e-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_XSCALE:
+      if (ArchFlag)
+        *ArchFlag = "xscale";
+      return Triple("xscale-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V6:
+      if (ArchFlag)
+        *ArchFlag = "armv6";
+      return Triple("armv6-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V6M:
+      if (McpuDefault)
+        *McpuDefault = "cortex-m0";
+      if (ArchFlag)
+        *ArchFlag = "armv6m";
+      return Triple("armv6m-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V7:
+      if (ArchFlag)
+        *ArchFlag = "armv7";
+      return Triple("armv7-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V7EM:
+      if (McpuDefault)
+        *McpuDefault = "cortex-m4";
+      if (ArchFlag)
+        *ArchFlag = "armv7em";
+      return Triple("thumbv7em-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V7K:
+      if (McpuDefault)
+        *McpuDefault = "cortex-a7";
+      if (ArchFlag)
+        *ArchFlag = "armv7k";
+      return Triple("armv7k-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V7M:
+      if (McpuDefault)
+        *McpuDefault = "cortex-m3";
+      if (ArchFlag)
+        *ArchFlag = "armv7m";
+      return Triple("thumbv7m-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM_V7S:
+      if (McpuDefault)
+        *McpuDefault = "cortex-a7";
+      if (ArchFlag)
+        *ArchFlag = "armv7s";
+      return Triple("armv7s-apple-darwin");
+    default:
+      return Triple();
+    }
+  case MachO::CPU_TYPE_ARM64:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_ARM64_ALL:
+      if (McpuDefault)
+        *McpuDefault = "cyclone";
+      if (ArchFlag)
+        *ArchFlag = "arm64";
+      return Triple("arm64-apple-darwin");
+    case MachO::CPU_SUBTYPE_ARM64E:
+      if (McpuDefault)
+        *McpuDefault = "apple-a12";
+      if (ArchFlag)
+        *ArchFlag = "arm64e";
+      return Triple("arm64e-apple-darwin");
+    default:
+      return Triple();
+    }
+  case MachO::CPU_TYPE_ARM64_32:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_ARM64_32_V8:
+      if (McpuDefault)
+        *McpuDefault = "cyclone";
+      if (ArchFlag)
+        *ArchFlag = "arm64_32";
+      return Triple("arm64_32-apple-darwin");
+    default:
+      return Triple();
+    }
+  case MachO::CPU_TYPE_POWERPC:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_POWERPC_ALL:
+      if (ArchFlag)
+        *ArchFlag = "ppc";
+      return Triple("ppc-apple-darwin");
+    default:
+      return Triple();
+    }
+  case MachO::CPU_TYPE_POWERPC64:
+    switch (CPUSubType & ~MachO::CPU_SUBTYPE_MASK) {
+    case MachO::CPU_SUBTYPE_POWERPC_ALL:
+      if (ArchFlag)
+        *ArchFlag = "ppc64";
+      return Triple("ppc64-apple-darwin");
+    default:
+      return Triple();
+    }
+  default:
+    return Triple();
+  }
+}
+
 Triple MachOObjectFile::getHostArch() {
   return Triple(sys::getDefaultTargetTriple());
 }