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dwarf.h
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dwarf.h
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/* Declarations and definitions of codes relating to the DWARF symbolic
debugging information format.
Written by Ron Guilmette (rfg@netcom.com)
Copyright (C) 1992, 2004 Free Software Foundation, Inc.
This file is part of GCC.
GCC is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free
Software Foundation; either version 2, or (at your option) any later
version.
GCC is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
for more details.
You should have received a copy of the GNU General Public License
along with GCC; see the file COPYING. If not, write to the Free
Software Foundation, 59 Temple Place - Suite 330, Boston, MA
02111-1307, USA. */
/* This file is derived from the DWARF specification (a public document)
Revision 1.0.1 (April 8, 1992) developed by the UNIX International
Programming Languages Special Interest Group (UI/PLSIG) and distributed
by UNIX International. Copies of this specification are available from
UNIX International, 20 Waterview Boulevard, Parsippany, NJ, 07054.
*/
/* Tag names and codes. */
enum dwarf_tag {
TAG_padding = 0x0000,
TAG_array_type = 0x0001,
TAG_class_type = 0x0002,
TAG_entry_point = 0x0003,
TAG_enumeration_type = 0x0004,
TAG_formal_parameter = 0x0005,
TAG_global_subroutine = 0x0006,
TAG_global_variable = 0x0007,
/* 0x0008 -- reserved */
/* 0x0009 -- reserved */
TAG_label = 0x000a,
TAG_lexical_block = 0x000b,
TAG_local_variable = 0x000c,
TAG_member = 0x000d,
/* 0x000e -- reserved */
TAG_pointer_type = 0x000f,
TAG_reference_type = 0x0010,
TAG_compile_unit = 0x0011,
TAG_string_type = 0x0012,
TAG_structure_type = 0x0013,
TAG_subroutine = 0x0014,
TAG_subroutine_type = 0x0015,
TAG_typedef = 0x0016,
TAG_union_type = 0x0017,
TAG_unspecified_parameters = 0x0018,
TAG_variant = 0x0019,
TAG_common_block = 0x001a,
TAG_common_inclusion = 0x001b,
TAG_inheritance = 0x001c,
TAG_inlined_subroutine = 0x001d,
TAG_module = 0x001e,
TAG_ptr_to_member_type = 0x001f,
TAG_set_type = 0x0020,
TAG_subrange_type = 0x0021,
TAG_with_stmt = 0x0022,
/* GNU extensions */
TAG_format_label = 0x8000, /* for FORTRAN 77 and Fortran 90 */
TAG_namelist = 0x8001, /* For Fortran 90 */
TAG_function_template = 0x8002, /* for C++ */
TAG_class_template = 0x8003 /* for C++ */
};
#define TAG_lo_user 0x8000 /* implementation-defined range start */
#define TAG_hi_user 0xffff /* implementation-defined range end */
#define TAG_source_file TAG_compile_unit /* for backward compatibility */
/* Form names and codes. */
enum dwarf_form {
FORM_ADDR = 0x1,
FORM_REF = 0x2,
FORM_BLOCK2 = 0x3,
FORM_BLOCK4 = 0x4,
FORM_DATA2 = 0x5,
FORM_DATA4 = 0x6,
FORM_DATA8 = 0x7,
FORM_STRING = 0x8
};
/* Attribute names and codes. */
enum dwarf_attribute {
AT_sibling = (0x0010|FORM_REF),
AT_location = (0x0020|FORM_BLOCK2),
AT_name = (0x0030|FORM_STRING),
AT_fund_type = (0x0050|FORM_DATA2),
AT_mod_fund_type = (0x0060|FORM_BLOCK2),
AT_user_def_type = (0x0070|FORM_REF),
AT_mod_u_d_type = (0x0080|FORM_BLOCK2),
AT_ordering = (0x0090|FORM_DATA2),
AT_subscr_data = (0x00a0|FORM_BLOCK2),
AT_byte_size = (0x00b0|FORM_DATA4),
AT_bit_offset = (0x00c0|FORM_DATA2),
AT_bit_size = (0x00d0|FORM_DATA4),
/* (0x00e0|FORM_xxxx) -- reserved */
AT_element_list = (0x00f0|FORM_BLOCK4),
AT_stmt_list = (0x0100|FORM_DATA4),
AT_low_pc = (0x0110|FORM_ADDR),
AT_high_pc = (0x0120|FORM_ADDR),
AT_language = (0x0130|FORM_DATA4),
AT_member = (0x0140|FORM_REF),
AT_discr = (0x0150|FORM_REF),
AT_discr_value = (0x0160|FORM_BLOCK2),
/* (0x0170|FORM_xxxx) -- reserved */
/* (0x0180|FORM_xxxx) -- reserved */
AT_string_length = (0x0190|FORM_BLOCK2),
AT_common_reference = (0x01a0|FORM_REF),
AT_comp_dir = (0x01b0|FORM_STRING),
AT_const_value_string = (0x01c0|FORM_STRING),
AT_const_value_data2 = (0x01c0|FORM_DATA2),
AT_const_value_data4 = (0x01c0|FORM_DATA4),
AT_const_value_data8 = (0x01c0|FORM_DATA8),
AT_const_value_block2 = (0x01c0|FORM_BLOCK2),
AT_const_value_block4 = (0x01c0|FORM_BLOCK4),
AT_containing_type = (0x01d0|FORM_REF),
AT_default_value_addr = (0x01e0|FORM_ADDR),
AT_default_value_data2 = (0x01e0|FORM_DATA2),
AT_default_value_data4 = (0x01e0|FORM_DATA4),
AT_default_value_data8 = (0x01e0|FORM_DATA8),
AT_default_value_string = (0x01e0|FORM_STRING),
AT_friends = (0x01f0|FORM_BLOCK2),
AT_inline = (0x0200|FORM_STRING),
AT_is_optional = (0x0210|FORM_STRING),
AT_lower_bound_ref = (0x0220|FORM_REF),
AT_lower_bound_data2 = (0x0220|FORM_DATA2),
AT_lower_bound_data4 = (0x0220|FORM_DATA4),
AT_lower_bound_data8 = (0x0220|FORM_DATA8),
AT_private = (0x0240|FORM_STRING),
AT_producer = (0x0250|FORM_STRING),
AT_program = (0x0230|FORM_STRING),
AT_protected = (0x0260|FORM_STRING),
AT_prototyped = (0x0270|FORM_STRING),
AT_public = (0x0280|FORM_STRING),
AT_pure_virtual = (0x0290|FORM_STRING),
AT_return_addr = (0x02a0|FORM_BLOCK2),
AT_abstract_origin = (0x02b0|FORM_REF),
AT_start_scope = (0x02c0|FORM_DATA4),
AT_stride_size = (0x02e0|FORM_DATA4),
AT_upper_bound_ref = (0x02f0|FORM_REF),
AT_upper_bound_data2 = (0x02f0|FORM_DATA2),
AT_upper_bound_data4 = (0x02f0|FORM_DATA4),
AT_upper_bound_data8 = (0x02f0|FORM_DATA8),
AT_virtual = (0x0300|FORM_STRING),
/* GNU extensions. */
AT_sf_names = (0x8000|FORM_DATA4),
AT_src_info = (0x8010|FORM_DATA4),
AT_mac_info = (0x8020|FORM_DATA4),
AT_src_coords = (0x8030|FORM_DATA4),
AT_body_begin = (0x8040|FORM_ADDR),
AT_body_end = (0x8050|FORM_ADDR)
};
#define AT_lo_user 0x2000 /* implementation-defined range start */
#define AT_hi_user 0x3ff0 /* implementation-defined range end */
/* Location atom names and codes. */
enum dwarf_location_atom {
OP_REG = 0x01,
OP_BASEREG = 0x02,
OP_ADDR = 0x03,
OP_CONST = 0x04,
OP_DEREF2 = 0x05,
OP_DEREF4 = 0x06,
OP_ADD = 0x07,
/* GNU extensions. */
OP_MULT = 0x80
};
#define OP_LO_USER 0x80 /* implementation-defined range start */
#define OP_HI_USER 0xff /* implementation-defined range end */
/* Fundamental type names and codes. */
enum dwarf_fundamental_type {
FT_char = 0x0001,
FT_signed_char = 0x0002,
FT_unsigned_char = 0x0003,
FT_short = 0x0004,
FT_signed_short = 0x0005,
FT_unsigned_short = 0x0006,
FT_integer = 0x0007,
FT_signed_integer = 0x0008,
FT_unsigned_integer = 0x0009,
FT_long = 0x000a,
FT_signed_long = 0x000b,
FT_unsigned_long = 0x000c,
FT_pointer = 0x000d, /* an alias for (void *) */
FT_float = 0x000e,
FT_dbl_prec_float = 0x000f,
FT_ext_prec_float = 0x0010, /* breaks "classic" svr4 SDB */
FT_complex = 0x0011, /* breaks "classic" svr4 SDB */
FT_dbl_prec_complex = 0x0012, /* breaks "classic" svr4 SDB */
/* 0x0013 -- reserved */
FT_void = 0x0014,
FT_boolean = 0x0015, /* breaks "classic" svr4 SDB */
FT_ext_prec_complex = 0x0016, /* breaks "classic" svr4 SDB */
FT_label = 0x0017,
/* GNU extensions
The low order byte must indicate the size (in bytes) for the type.
All of these types will probably break "classic" svr4 SDB. */
FT_long_long = 0x8008,
FT_signed_long_long = 0x8108,
FT_unsigned_long_long = 0x8208,
FT_int8 = 0x9001,
FT_signed_int8 = 0x9101,
FT_unsigned_int8 = 0x9201,
FT_int16 = 0x9302,
FT_signed_int16 = 0x9402,
FT_unsigned_int16 = 0x9502,
FT_int32 = 0x9604,
FT_signed_int32 = 0x9704,
FT_unsigned_int32 = 0x9804,
FT_int64 = 0x9908,
FT_signed_int64 = 0x9a08,
FT_unsigned_int64 = 0x9b08,
FT_int128 = 0x9c10,
FT_signed_int128 = 0x9d10,
FT_unsigned_int128 = 0x9e10,
FT_real32 = 0xa004,
FT_real64 = 0xa108,
FT_real96 = 0xa20c,
FT_real128 = 0xa310
};
#define FT_lo_user 0x8000 /* implementation-defined range start */
#define FT_hi_user 0xffff /* implementation defined range end */
/* Type modifier names and codes. */
enum dwarf_type_modifier {
MOD_pointer_to = 0x01,
MOD_reference_to = 0x02,
MOD_const = 0x03,
MOD_volatile = 0x04
};
#define MOD_lo_user 0x80 /* implementation-defined range start */
#define MOD_hi_user 0xff /* implementation-defined range end */
/* Array ordering names and codes. */
enum dwarf_array_dim_ordering {
ORD_row_major = 0,
ORD_col_major = 1
};
/* Array subscript format names and codes. */
enum dwarf_subscr_data_formats {
FMT_FT_C_C = 0x0,
FMT_FT_C_X = 0x1,
FMT_FT_X_C = 0x2,
FMT_FT_X_X = 0x3,
FMT_UT_C_C = 0x4,
FMT_UT_C_X = 0x5,
FMT_UT_X_C = 0x6,
FMT_UT_X_X = 0x7,
FMT_ET = 0x8
};
/* Derived from above for ease of use. */
#define FMT_CODE(_FUNDAMENTAL_TYPE_P, _LB_CONST_P, _UB_CONST_P) \
(((_FUNDAMENTAL_TYPE_P) ? 0 : 4) \
| ((_LB_CONST_P) ? 0 : 2) \
| ((_UB_CONST_P) ? 0 : 1))
/* Source language names and codes. */
enum dwarf_source_language {
LANG_C89 = 0x00000001,
LANG_C = 0x00000002,
LANG_ADA83 = 0x00000003,
LANG_C_PLUS_PLUS = 0x00000004,
LANG_COBOL74 = 0x00000005,
LANG_COBOL85 = 0x00000006,
LANG_FORTRAN77 = 0x00000007,
LANG_FORTRAN90 = 0x00000008,
LANG_PASCAL83 = 0x00000009,
LANG_MODULA2 = 0x0000000a,
LANG_JAVA = 0x0000000b
};
#define LANG_lo_user 0x00008000 /* implementation-defined range start */
#define LANG_hi_user 0x0000ffff /* implementation-defined range end */
/* Names and codes for GNU "macinfo" extension. */
enum dwarf_macinfo_record_type {
MACINFO_start = 's',
MACINFO_resume = 'r',
MACINFO_define = 'd',
MACINFO_undef = 'u'
};