Initial support for dumping DWARF corresponding to Swift code

src/common/dwarf/dwarf2enums.h

 // -*- mode: c++ -*-
 
 // Copyright (c) 2010 Google Inc. All Rights Reserved.
 //
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 // notice, this list of conditions and the following disclaimer.
@@ skipping 214 matching lines @@
   DW_AT_data_location = 0x50,
   DW_AT_stride        = 0x51,
   DW_AT_entry_pc      = 0x52,
   DW_AT_use_UTF8      = 0x53,
   DW_AT_extension     = 0x54,
   DW_AT_ranges        = 0x55,
   DW_AT_trampoline    = 0x56,
   DW_AT_call_column   = 0x57,
   DW_AT_call_file     = 0x58,
   DW_AT_call_line     = 0x59,
+  // DWARF 4
+  DW_AT_linkage_name  = 0x6e,
   // SGI/MIPS extensions.
   DW_AT_MIPS_fde = 0x2001,
   DW_AT_MIPS_loop_begin = 0x2002,
   DW_AT_MIPS_tail_loop_begin = 0x2003,
   DW_AT_MIPS_epilog_begin = 0x2004,
   DW_AT_MIPS_loop_unroll_factor = 0x2005,
   DW_AT_MIPS_software_pipeline_depth = 0x2006,
   DW_AT_MIPS_linkage_name = 0x2007,
   DW_AT_MIPS_stride = 0x2008,
   DW_AT_MIPS_abstract_name = 0x2009,
@@ skipping 247 matching lines @@
   DW_OP_nop                          =0x96,
   // DWARF3/DWARF3f
   DW_OP_push_object_address          =0x97,
   DW_OP_call2                        =0x98,
   DW_OP_call4                        =0x99,
   DW_OP_call_ref                     =0x9a,
   DW_OP_form_tls_address             =0x9b,
   DW_OP_call_frame_cfa               =0x9c,
   DW_OP_bit_piece                    =0x9d,
   DW_OP_lo_user                      =0xe0,
-  DW_OP_hi_user                      =0xff,  
+  DW_OP_hi_user                      =0xff,
   // GNU extensions
   DW_OP_GNU_push_tls_address         =0xe0,
   // Extensions for Fission.  See http://gcc.gnu.org/wiki/DebugFission.
   DW_OP_GNU_addr_index               =0xfb,
   DW_OP_GNU_const_index              =0xfc
 };
 
 // Section identifiers for DWP files
 enum DwarfSectionId {
   DW_SECT_INFO = 1,
@@ skipping 22 matching lines @@
     DW_LANG_Modula2                  =0x000a,
     DW_LANG_Java                     =0x000b,
     DW_LANG_C99                      =0x000c,
     DW_LANG_Ada95                    =0x000d,
     DW_LANG_Fortran95                =0x000e,
     DW_LANG_PLI                      =0x000f,
     DW_LANG_ObjC                     =0x0010,
     DW_LANG_ObjC_plus_plus           =0x0011,
     DW_LANG_UPC                      =0x0012,
     DW_LANG_D                        =0x0013,
+    DW_LANG_Swift                    =0x001e,
     // Implementation-defined language code range.
     DW_LANG_lo_user = 0x8000,
     DW_LANG_hi_user = 0xffff,
 
     // Extensions.
 
     // MIPS assembly language.  The GNU toolchain uses this for all
     // assembly languages, since there's no generic DW_LANG_ value for that.
     // See include/dwarf2.h in the binutils, gdb, or gcc source trees.
     DW_LANG_Mips_Assembler           =0x8001,
@@ skipping 106 matching lines @@
     // The GNU toolchain sources define this enum value as well,
     // simply to help classify the lower nybble values into signed and
     // unsigned groups.
     DW_EH_PE_signed     = 0x08,
 
     // This is not documented in LSB 4.0, but it is used in both the
     // Linux and OS X toolchains. It can be added to any other
     // encoding (except DW_EH_PE_aligned), and indicates that the
     // encoded value represents the address at which the true address
     // is stored, not the true address itself.
-    DW_EH_PE_indirect   = 0x80  
+    DW_EH_PE_indirect   = 0x80
   };
 
 }  // namespace dwarf2reader
 #endif  // COMMON_DWARF_DWARF2ENUMS_H__