Move accelerator table defines and constants to Dwarf.h since

[oota-llvm.git] / include / llvm / Support / Dwarf.h

diff --git a/include/llvm/Support/Dwarf.h b/include/llvm/Support/Dwarf.h
index c703da5762f9d8a0df3b3067b16bceecb081784a..91aef13de62ab5dc1138c018a1998f78799f16d4 100644 (file)
--- a/include/llvm/Support/Dwarf.h
+++ b/include/llvm/Support/Dwarf.h
@@ -16,50 +16,57 @@
 #ifndef LLVM_SUPPORT_DWARF_H
 #define LLVM_SUPPORT_DWARF_H
 
+#include "llvm/Support/DataTypes.h"
+
 namespace llvm {
 
 //===----------------------------------------------------------------------===//
 // Debug info constants.
 
 enum {
-  LLVMDebugVersion = (12 << 16),        // Current version of debug information.
-  LLVMDebugVersion11 = (11 << 16),      // Constant for version 11.
-  LLVMDebugVersion10 = (10 << 16),      // Constant for version 10.
-  LLVMDebugVersion9 = (9 << 16),        // Constant for version 9.
-  LLVMDebugVersion8 = (8 << 16),        // Constant for version 8.
-  LLVMDebugVersion7 = (7 << 16),        // Constant for version 7.
-  LLVMDebugVersion6 = (6 << 16),        // Constant for version 6.
-  LLVMDebugVersion5 = (5 << 16),        // Constant for version 5.
-  LLVMDebugVersion4 = (4 << 16),        // Constant for version 4.
-  LLVMDebugVersionMask = 0xffff0000     // Mask for version number.
+  LLVMDebugVersion = (12 << 16),    // Current version of debug information.
+  LLVMDebugVersion11 = (11 << 16),  // Constant for version 11.
+  LLVMDebugVersion10 = (10 << 16),  // Constant for version 10.
+  LLVMDebugVersion9 = (9 << 16),    // Constant for version 9.
+  LLVMDebugVersion8 = (8 << 16),    // Constant for version 8.
+  LLVMDebugVersion7 = (7 << 16),    // Constant for version 7.
+  LLVMDebugVersion6 = (6 << 16),    // Constant for version 6.
+  LLVMDebugVersion5 = (5 << 16),    // Constant for version 5.
+  LLVMDebugVersion4 = (4 << 16),    // Constant for version 4.
+  LLVMDebugVersionMask = 0xffff0000 // Mask for version number.
 };
 
 namespace dwarf {
 
 //===----------------------------------------------------------------------===//
 // Dwarf constants as gleaned from the DWARF Debugging Information Format V.4
-// reference manual http://dwarf.freestandards.org .
+// reference manual http://dwarf.freestandards.org.
 //
 
 // Do not mix the following two enumerations sets.  DW_TAG_invalid changes the
 // enumeration base type.
 
-enum llvm_dwarf_constants {
+enum LLVMConstants {
   // llvm mock tags
-  DW_TAG_invalid = ~0U,                 // Tag for invalid results.
+  DW_TAG_invalid = ~0U, // Tag for invalid results.
 
-  DW_TAG_auto_variable = 0x100,         // Tag for local (auto) variables.
-  DW_TAG_arg_variable = 0x101,          // Tag for argument variables.
+  DW_TAG_auto_variable = 0x100, // Tag for local (auto) variables.
+  DW_TAG_arg_variable = 0x101,  // Tag for argument variables.
 
-  DW_TAG_user_base = 0x1000,            // Recommended base for user tags.
+  DW_TAG_user_base = 0x1000, // Recommended base for user tags.
 
-  DW_CIE_VERSION = 1,                   // Common frame information version.
-  DW_CIE_ID       = 0xffffffff          // Common frame information mark.
+  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.
 };
 
-enum dwarf_constants {
-  DWARF_VERSION = 2,
+// Special ID values that distinguish a CIE from a FDE in DWARF CFI.
+// Not inside an enum because a 64-bit value is needed.
+const uint32_t DW_CIE_ID = UINT32_MAX;
+const uint64_t DW64_CIE_ID = UINT64_MAX;
 
+enum Constants {
   // Tags
   DW_TAG_array_type = 0x01,
   DW_TAG_class_type = 0x02,
@@ -263,6 +270,8 @@ enum dwarf_constants {
   DW_AT_GNU_vector = 0x2107,
   DW_AT_GNU_template_name = 0x2110,
 
+  DW_AT_GNU_odr_signature = 0x210f,
+
   // Extensions for Fission proposal.
   DW_AT_GNU_dwo_name = 0x2130,
   DW_AT_GNU_dwo_id = 0x2131,
@@ -754,6 +763,32 @@ const char *MacinfoString(unsigned Encoding);
 /// CallFrameString - Return the string for the specified call frame instruction
 /// encodings.
 const char *CallFrameString(unsigned Encoding);
+
+// Constants for the DWARF5 Accelerator Table Proposal
+enum AcceleratorTable {
+  // Data layout descriptors.
+  DW_ATOM_null = 0u,       // Marker as the end of a list of atoms.
+  DW_ATOM_die_offset = 1u, // DIE offset in the debug_info section.
+  DW_ATOM_cu_offset = 2u,  // Offset of the compile unit header that contains the
+                          // item in question.
+  DW_ATOM_die_tag = 3u,    // A tag entry.
+  DW_ATOM_type_flags = 4u, // Set of flags for a type.
+
+  // DW_ATOM_type_flags values.
+
+  // Always set for C++, only set for ObjC if this is the @implementation for a
+  // class.
+  DW_FLAG_type_implementation = 2u,
+
+  // Hash functions.
+
+  // Daniel J. Bernstein hash.
+  DW_hash_function_djb = 0u
+};
+
+/// AtomTypeString - Return the string for the specified Atom type.
+const char *AtomTypeString(unsigned Atom);
+
 } // End of namespace dwarf
 
 } // End of namespace llvm