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128 lines
4.9 KiB
C++
128 lines
4.9 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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// Copyright (c) 2008, 2010 Google Inc. All Rights Reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following disclaimer
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// in the documentation and/or other materials provided with the
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// distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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// CFI reader author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
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// This file is derived from the following file in
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// toolkit/crashreporter/google-breakpad:
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// src/common/dwarf/dwarf2enums.h
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#ifndef LulDwarfInt_h
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#define LulDwarfInt_h
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#include "LulCommonExt.h"
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#include "LulDwarfExt.h"
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namespace lul {
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// These enums do not follow the google3 style only because they are
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// known universally (specs, other implementations) by the names in
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// exactly this capitalization.
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// Tag names and codes.
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// Call Frame Info instructions.
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enum DwarfCFI
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{
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DW_CFA_advance_loc = 0x40,
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DW_CFA_offset = 0x80,
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DW_CFA_restore = 0xc0,
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DW_CFA_nop = 0x00,
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DW_CFA_set_loc = 0x01,
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DW_CFA_advance_loc1 = 0x02,
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DW_CFA_advance_loc2 = 0x03,
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DW_CFA_advance_loc4 = 0x04,
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DW_CFA_offset_extended = 0x05,
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DW_CFA_restore_extended = 0x06,
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DW_CFA_undefined = 0x07,
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DW_CFA_same_value = 0x08,
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DW_CFA_register = 0x09,
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DW_CFA_remember_state = 0x0a,
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DW_CFA_restore_state = 0x0b,
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DW_CFA_def_cfa = 0x0c,
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DW_CFA_def_cfa_register = 0x0d,
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DW_CFA_def_cfa_offset = 0x0e,
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DW_CFA_def_cfa_expression = 0x0f,
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DW_CFA_expression = 0x10,
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DW_CFA_offset_extended_sf = 0x11,
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DW_CFA_def_cfa_sf = 0x12,
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DW_CFA_def_cfa_offset_sf = 0x13,
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DW_CFA_val_offset = 0x14,
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DW_CFA_val_offset_sf = 0x15,
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DW_CFA_val_expression = 0x16,
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// Opcodes in this range are reserved for user extensions.
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DW_CFA_lo_user = 0x1c,
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DW_CFA_hi_user = 0x3f,
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// SGI/MIPS specific.
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DW_CFA_MIPS_advance_loc8 = 0x1d,
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// GNU extensions.
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DW_CFA_GNU_window_save = 0x2d,
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DW_CFA_GNU_args_size = 0x2e,
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DW_CFA_GNU_negative_offset_extended = 0x2f
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};
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// Exception handling 'z' augmentation letters.
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enum DwarfZAugmentationCodes {
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// If the CFI augmentation string begins with 'z', then the CIE and FDE
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// have an augmentation data area just before the instructions, whose
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// contents are determined by the subsequent augmentation letters.
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DW_Z_augmentation_start = 'z',
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// If this letter is present in a 'z' augmentation string, the CIE
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// augmentation data includes a pointer encoding, and the FDE
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// augmentation data includes a language-specific data area pointer,
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// represented using that encoding.
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DW_Z_has_LSDA = 'L',
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// If this letter is present in a 'z' augmentation string, the CIE
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// augmentation data includes a pointer encoding, followed by a pointer
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// to a personality routine, represented using that encoding.
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DW_Z_has_personality_routine = 'P',
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// If this letter is present in a 'z' augmentation string, the CIE
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// augmentation data includes a pointer encoding describing how the FDE's
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// initial location, address range, and DW_CFA_set_loc operands are
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// encoded.
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DW_Z_has_FDE_address_encoding = 'R',
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// If this letter is present in a 'z' augmentation string, then code
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// addresses covered by FDEs that cite this CIE are signal delivery
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// trampolines. Return addresses of frames in trampolines should not be
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// adjusted as described in section 6.4.4 of the DWARF 3 spec.
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DW_Z_is_signal_trampoline = 'S'
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};
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} // namespace lul
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#endif // LulDwarfInt_h
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