#include "llvm/Support/ErrorHandling.h"
#include "llvm/Support/Format.h"
#include "llvm/Support/FormattedStream.h"
+#include "llvm/Support/LEB128.h"
#include "llvm/Support/MathExtras.h"
#include "llvm/Support/Path.h"
#include <cctype>
void EmitCFISameValue(int64_t Register) override;
void EmitCFIRelOffset(int64_t Register, int64_t Offset) override;
void EmitCFIAdjustCfaOffset(int64_t Adjustment) override;
+ void EmitCFIEscape(StringRef Values) override;
+ void EmitCFIGnuArgsSize(int64_t Size) override;
void EmitCFISignalFrame() override;
void EmitCFIUndefined(int64_t Register) override;
void EmitCFIRegister(int64_t Register1, int64_t Register2) override;
EmitEOL();
}
+static void PrintCFIEscape(llvm::formatted_raw_ostream &OS, StringRef Values) {
+ OS << "\t.cfi_escape ";
+ if (!Values.empty()) {
+ size_t e = Values.size() - 1;
+ for (size_t i = 0; i < e; ++i)
+ OS << format("0x%02x", uint8_t(Values[i])) << ", ";
+ OS << format("0x%02x", uint8_t(Values[e]));
+ }
+}
+
+void MCAsmStreamer::EmitCFIEscape(StringRef Values) {
+ MCStreamer::EmitCFIEscape(Values);
+ PrintCFIEscape(OS, Values);
+ EmitEOL();
+}
+
+void MCAsmStreamer::EmitCFIGnuArgsSize(int64_t Size) {
+ MCStreamer::EmitCFIGnuArgsSize(Size);
+
+ uint8_t Buffer[16] = { dwarf::DW_CFA_GNU_args_size };
+ unsigned Len = encodeULEB128(Size, Buffer + 1) + 1;
+
+ PrintCFIEscape(OS, StringRef((const char *)&Buffer[0], Len));
+ EmitEOL();
+}
+
void MCAsmStreamer::EmitCFIDefCfaRegister(int64_t Register) {
MCStreamer::EmitCFIDefCfaRegister(Register);
OS << "\t.cfi_def_cfa_register ";