/* -*- 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 // 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' }; // Expression opcodes enum DwarfExpressionOpcodes { DW_OP_addr = 0x03, DW_OP_deref = 0x06, DW_OP_const1s = 0x09, DW_OP_const2u = 0x0a, DW_OP_const2s = 0x0b, DW_OP_const4u = 0x0c, DW_OP_const4s = 0x0d, DW_OP_const8u = 0x0e, DW_OP_const8s = 0x0f, DW_OP_constu = 0x10, DW_OP_consts = 0x11, DW_OP_dup = 0x12, DW_OP_drop = 0x13, DW_OP_over = 0x14, DW_OP_pick = 0x15, DW_OP_swap = 0x16, DW_OP_rot = 0x17, DW_OP_xderef = 0x18, DW_OP_abs = 0x19, DW_OP_and = 0x1a, DW_OP_div = 0x1b, DW_OP_minus = 0x1c, DW_OP_mod = 0x1d, DW_OP_mul = 0x1e, DW_OP_neg = 0x1f, DW_OP_not = 0x20, DW_OP_or = 0x21, DW_OP_plus = 0x22, DW_OP_plus_uconst = 0x23, DW_OP_shl = 0x24, DW_OP_shr = 0x25, DW_OP_shra = 0x26, DW_OP_xor = 0x27, DW_OP_skip = 0x2f, DW_OP_bra = 0x28, DW_OP_eq = 0x29, DW_OP_ge = 0x2a, DW_OP_gt = 0x2b, DW_OP_le = 0x2c, DW_OP_lt = 0x2d, DW_OP_ne = 0x2e, DW_OP_lit0 = 0x30, DW_OP_lit31 = 0x4f, DW_OP_reg0 = 0x50, DW_OP_reg31 = 0x6f, DW_OP_breg0 = 0x70, DW_OP_breg31 = 0x8f, DW_OP_regx = 0x90, DW_OP_fbreg = 0x91, DW_OP_bregx = 0x92, DW_OP_piece = 0x93, DW_OP_deref_size = 0x94, DW_OP_xderef_size = 0x95, DW_OP_nop = 0x96, 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 }; } // namespace lul #endif // LulDwarfInt_h