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 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

 /* vim: set ts=8 sts=2 et sw=2 tw=80: */

 // Copyright (c) 2008, 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.

 //     * Redistributions in binary form must reproduce the above

 // copyright notice, this list of conditions and the following disclaimer

 // in the documentation and/or other materials provided with the

 // distribution.

 //     * Neither the name of Google Inc. nor the names of its

 // contributors may be used to endorse or promote products derived from

 // this software without specific prior written permission.

 //

 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS

 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT

 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR

 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT

 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,

 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT

 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,

 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY

 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 // CFI reader author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>

 // This file is derived from the following file in

 // toolkit/crashreporter/google-breakpad:

 //   src/common/dwarf/dwarf2enums.h

 #ifndef LulDwarfInt_h

 #define LulDwarfInt_h

 #include "LulCommonExt.h"

 #include "LulDwarfExt.h"

 namespace lul {

 // These enums do not follow the google3 style only because they are

 // known universally (specs, other implementations) by the names in

 // exactly this capitalization.

 // Tag names and codes.

 // Call Frame Info instructions.

 enum DwarfCFI

   {

     DW_CFA_advance_loc        = 0x40,

     DW_CFA_offset             = 0x80,

     DW_CFA_restore            = 0xc0,

     DW_CFA_nop                = 0x00,

     DW_CFA_set_loc            = 0x01,

     DW_CFA_advance_loc1       = 0x02,

     DW_CFA_advance_loc2       = 0x03,

     DW_CFA_advance_loc4       = 0x04,

     DW_CFA_offset_extended    = 0x05,

     DW_CFA_restore_extended   = 0x06,

     DW_CFA_undefined          = 0x07,

     DW_CFA_same_value         = 0x08,

     DW_CFA_register           = 0x09,

     DW_CFA_remember_state     = 0x0a,

     DW_CFA_restore_state      = 0x0b,

     DW_CFA_def_cfa            = 0x0c,

     DW_CFA_def_cfa_register   = 0x0d,

     DW_CFA_def_cfa_offset     = 0x0e,

     DW_CFA_def_cfa_expression = 0x0f,

     DW_CFA_expression         = 0x10,

     DW_CFA_offset_extended_sf = 0x11,

     DW_CFA_def_cfa_sf         = 0x12,

     DW_CFA_def_cfa_offset_sf  = 0x13,

     DW_CFA_val_offset         = 0x14,

     DW_CFA_val_offset_sf      = 0x15,

     DW_CFA_val_expression     = 0x16,

     // Opcodes in this range are reserved for user extensions.

     DW_CFA_lo_user = 0x1c,

     DW_CFA_hi_user = 0x3f,

     // SGI/MIPS specific.

     DW_CFA_MIPS_advance_loc8 = 0x1d,

     // GNU extensions.

     DW_CFA_GNU_window_save = 0x2d,

     DW_CFA_GNU_args_size = 0x2e,

     DW_CFA_GNU_negative_offset_extended = 0x2f

   };

 // Exception handling 'z' augmentation letters.

 enum DwarfZAugmentationCodes {

   // If the CFI augmentation string begins with 'z', then the CIE and FDE

   // have an augmentation data area just before the instructions, whose

   // contents are determined by the subsequent augmentation letters.

   DW_Z_augmentation_start = 'z',

   // If this letter is present in a 'z' augmentation string, the CIE

   // augmentation data includes a pointer encoding, and the FDE

   // augmentation data includes a language-specific data area pointer,

   // represented using that encoding.

   DW_Z_has_LSDA = 'L',

   // If this letter is present in a 'z' augmentation string, the CIE

   // augmentation data includes a pointer encoding, followed by a pointer

   // to a personality routine, represented using that encoding.

   DW_Z_has_personality_routine = 'P',

   // If this letter is present in a 'z' augmentation string, the CIE

   // augmentation data includes a pointer encoding describing how the FDE's

   // initial location, address range, and DW_CFA_set_loc operands are

   // encoded.

   DW_Z_has_FDE_address_encoding = 'R',

   // If this letter is present in a 'z' augmentation string, then code

   // addresses covered by FDEs that cite this CIE are signal delivery

   // trampolines. Return addresses of frames in trampolines should not be

   // adjusted as described in section 6.4.4 of the DWARF 3 spec.

   DW_Z_is_signal_trampoline = 'S'

 };

 } // namespace lul

 #endif // LulDwarfInt_h