mirror of
https://git.FreeBSD.org/src.git
synced 2024-12-23 11:18:54 +00:00
320 lines
10 KiB
C
320 lines
10 KiB
C
/* 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, 51 Franklin Street, Fifth Floor, Boston, MA
|
|
02110-1301, 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'
|
|
};
|