#ifndef LLVM_SUPPORT_DWARF_H
#define LLVM_SUPPORT_DWARF_H
+#include "llvm/Support/Compiler.h"
#include "llvm/Support/DataTypes.h"
namespace llvm {
//===----------------------------------------------------------------------===//
// Debug info constants.
-enum {
+enum LLVM_ENUM_INT_TYPE(uint32_t) {
LLVMDebugVersion = (12 << 16), // Current version of debug information.
LLVMDebugVersion11 = (11 << 16), // Constant for version 11.
LLVMDebugVersion10 = (10 << 16), // Constant for version 10.
// Do not mix the following two enumerations sets. DW_TAG_invalid changes the
// enumeration base type.
-enum LLVMConstants {
+enum LLVMConstants LLVM_ENUM_INT_TYPE(uint32_t) {
// llvm mock tags
DW_TAG_invalid = ~0U, // Tag for invalid results.
DWARF_VERSION = 4, // Default dwarf version we output.
DW_CIE_VERSION = 1, // Common frame information version.
DW_PUBTYPES_VERSION = 2, // Section version number for .debug_pubtypes.
- DW_PUBNAMES_VERSION = 2 // Section version number for .debug_pubnames.
+ DW_PUBNAMES_VERSION = 2, // Section version number for .debug_pubnames.
+ DW_ARANGES_VERSION = 2 // Section version number for .debug_aranges.
};
// Special ID values that distinguish a CIE from a FDE in DWARF CFI.
/// AtomTypeString - Return the string for the specified Atom type.
const char *AtomTypeString(unsigned Atom);
+// Constants for the GNU pubnames/pubtypes extensions supporting gdb index.
+enum GDBIndexEntryKind {
+ GIEK_NONE,
+ GIEK_TYPE,
+ GIEK_VARIABLE,
+ GIEK_FUNCTION,
+ GIEK_OTHER,
+ GIEK_UNUSED5,
+ GIEK_UNUSED6,
+ GIEK_UNUSED7
+};
+
+const char *GDBIndexEntryKindString(GDBIndexEntryKind Kind);
+
+enum GDBIndexEntryLinkage {
+ GIEL_EXTERNAL,
+ GIEL_STATIC
+};
+
+const char *GDBIndexEntryLinkageString(GDBIndexEntryLinkage Linkage);
+
+/// The gnu_pub* kind looks like:
+///
+/// 0-3 reserved
+/// 4-6 symbol kind
+/// 7 0 == global, 1 == static
+///
+/// A gdb_index descriptor includes the above kind, shifted 24 bits up with the
+/// offset of the cu within the debug_info section stored in those 24 bits.
+struct PubIndexEntryDescriptor {
+ GDBIndexEntryKind Kind;
+ GDBIndexEntryLinkage Linkage;
+ PubIndexEntryDescriptor(GDBIndexEntryKind Kind, GDBIndexEntryLinkage Linkage)
+ : Kind(Kind), Linkage(Linkage) {}
+ /* implicit */ PubIndexEntryDescriptor(GDBIndexEntryKind Kind)
+ : Kind(Kind), Linkage(GIEL_EXTERNAL) {}
+ explicit PubIndexEntryDescriptor(uint8_t Value)
+ : Kind(static_cast<GDBIndexEntryKind>((Value & KIND_MASK) >>
+ KIND_OFFSET)),
+ Linkage(static_cast<GDBIndexEntryLinkage>((Value & LINKAGE_MASK) >>
+ LINKAGE_OFFSET)) {}
+ uint8_t toBits() { return Kind << KIND_OFFSET | Linkage << LINKAGE_OFFSET; }
+
+private:
+ enum {
+ KIND_OFFSET = 4,
+ KIND_MASK = 7 << KIND_OFFSET,
+ LINKAGE_OFFSET = 7,
+ LINKAGE_MASK = 1 << LINKAGE_OFFSET
+ };
+};
+
} // End of namespace dwarf
} // End of namespace llvm