1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
|
/* Copyright (C) 2021-2023 Free Software Foundation, Inc.
Contributed by Oracle.
This file is part of GNU Binutils.
This program 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 3, or (at your option)
any later version.
This program 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 this program; if not, write to the Free Software
Foundation, 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
/*
* This file gives definitions supplementing <a.out.h>
* for debugging symbol table entries.
* These entries must have one of the N_STAB bits on,
* and are subject to relocation according to the masks in <a.out.h>
* on 4.x (stabs not relocated on SVR4).
*/
#ifndef _STAB_H
#define _STAB_H
/* this file also contains fragments of a.out.h relevant to
* support of stab processing within ELF files
* (when a.out.h is not available)
*/
struct stab
{
unsigned n_strx; /* index into file string table */
unsigned char n_type; /* type flag (N_TEXT,..) */
char n_other; /* used by N_SLINE stab */
short n_desc; /* see stabs documentation */
unsigned n_value; /* value of symbol (or sdb offset) */
};
/* patchtypes for N_PATCH stab (n_desc field) */
#define P_BITFIELD 0x1
#define P_SPILL 0x2
#define P_SCOPY 0x3
/* markers for N_CODETAG stab (n_other field) */
#define CODETAG_BITFIELD 0x1 /* load/store of a bit field */
#define CODETAG_SPILL 0x2 /* spill of registers */
#define CODETAG_SCOPY 0x3 /* structure copy load/store */
#define CODETAG_FSTART 0x4 /* points to first inst of new frame (0==leaf)*/
#define CODETAG_END_CTORS 0x5 /* end of calls to super-class constructors */
/* UNUSED 0x6 DW_ATCF_SUN_branch_target in dwarf, not used in stabs */
#define CODETAG_STACK_PROBE 0x7 /* marks insns which probe the stack memory */
/*
* Simple values for n_type.
*/
#define N_UNDF 0x0 /* undefined */
#define N_ABS 0x2 /* absolute */
#define N_TEXT 0x4 /* text */
#define N_DATA 0x6 /* data */
#define N_BSS 0x8 /* bss */
#define N_COMM 0x12 /* common (internal to ld) */
#define N_FN 0x1f /* file name symbol */
#define N_EXT 01 /* external bit, or'ed in */
#define N_TYPE 0x1e /* mask for all the type bits */
/*
* maximum length of stab string before using continuation stab.
* (this is just a suggested limit), assembler has no limit.
*/
#define MAX_STAB_STR_LEN 250
/*
* for symbolic debuggers:
*/
#define N_GSYM 0x20 /* global symbol: name,,0,type,0 */
#define N_FNAME 0x22 /* procedure name (f77 kludge): name,,0 */
#define N_FUN 0x24 /* procedure: name,,0,linenumber,0 */
#define N_OUTL 0x25 /* outlined func: name,,0,linenumber,0 */
#define N_STSYM 0x26 /* static symbol: name,,0,type,0 or section relative */
#define N_TSTSYM 0x27 /* thread static symbol: Ttdata.data */
#define N_LCSYM 0x28 /* .lcomm symbol: name,,0,type,0 or section relative */
#define N_TLCSYM 0x29 /* thread local symbol: Ttbss.bss */
#define N_MAIN 0x2a /* name of main routine : name,,0,0,0 */
#define N_ROSYM 0x2c /* ro_data: name,,0,type,0 or section relative */
#define N_FLSYM 0x2e /* fragmented data: name,,0,type,0 */
#define N_TFLSYM 0x2f /* thread fragmented data: name,,0,type,0 */
#define N_PC 0x30 /* global pascal symbol: name,,0,subtype,line */
#define N_CMDLINE 0x34 /* command line info */
#define N_OBJ 0x38 /* object file path or name */
#define N_OPT 0x3c /* compiler options */
#define N_RSYM 0x40 /* register sym: name,,0,type,register */
#define N_SLINE 0x44 /* src line: 0,,0,linenumber,function relative */
#define N_XLINE 0x45 /* h.o. src line: 0,,0,linenumber>>16,0 */
#define N_ILDPAD 0x4c /* now used as ild pad stab value=strtab delta
* was designed for "function start.end" */
#define N_SSYM 0x60 /* structure elt: name,,0,type,struct_offset */
#define N_ENDM 0x62 /* last stab emitted for object module */
#define N_SO 0x64 /* source file name: name,,0,0,0 */
#define N_MOD 0x66 /* f90 module: name,,0,0,0 */
#define N_EMOD 0x68 /* end of f90 module: name,,0,0,0 */
#define N_READ_MOD 0x6a /* use of f90 module: name;locallist,,0,0,0 */
#define N_ALIAS 0x6c /* alias name: name,,0,0,0 */
#define N_LSYM 0x80 /* local sym: name,,0,type,offset */
#define N_BINCL 0x82 /* header file: name,,0,0,0 */
#define N_SOL 0x84 /* #included file name: name,,0,0,0 */
#define N_PSYM 0xa0 /* parameter: name,,0,type,offset */
#define N_EINCL 0xa2 /* end of include file */
#define N_ENTRY 0xa4 /* alternate entry: name,linenumber,0 */
#define N_SINCL 0xa6 /* shared include file */
#define N_LBRAC 0xc0 /* left bracket: 0,,0,nesting level,function relative */
#define N_EXCL 0xc2 /* excluded include file */
#define N_USING 0xc4 /* C++ using command */
#define N_ISYM 0xc6 /* position independent type symbol, internal */
#define N_ESYM 0xc8 /* position independent type symbol, external */
#define N_PATCH 0xd0 /* Instruction to be ignored by run-time checking. */
#define N_CONSTRUCT 0xd2 /* C++ constructor call. */
#define N_DESTRUCT 0xd4 /* C++ destructor call. */
#define N_CODETAG 0xd8 /* Generic code tag */
#define N_FUN_CHILD 0xd9 /* Identifies a child function */
#define N_RBRAC 0xe0 /* right bracket: 0,,0,nesting level,function relative */
#define N_BCOMM 0xe2 /* begin common: name,, */
#define N_TCOMM 0xe3 /* begin task common: name,, */
#define N_ECOMM 0xe4 /* end task_common/common: name,, */
#define N_XCOMM 0xe6 /* excluded common block */
#define N_ECOML 0xe8 /* end common (local name): ,,address */
#define N_WITH 0xea /* pascal with statement: type,,0,0,offset */
#define N_LENG 0xfe /* second stab entry with length information */
/*
* for analyzer (cache profile feedback support)
*/
#define N_CPROF 0xf0 /* annotation for cache profile feedback */
/*
* n_descr values used in N_CPROF stabs. The n_descr field of
* an N_CPROF stab identifies the type of table whose location
* is defined by the N_CPROF stab.
*/
typedef enum n_cprof_instr_type_t
{
N_CPROF_INSTR_TYPE_LOAD = 0, /* profiled load ops */
N_CPROF_INSTR_TYPE_STORE, /* profiled store ops */
N_CPROF_INSTR_TYPE_PREFETCH, /* profiled prefetch ops */
N_CPROF_INSTR_TYPE_BRTARGET, /* branch target locations */
N_CPROF_INSTR_TYPE_NTYPES /* number of types */
} n_cprof_instr_type_t;
/*
* for code browser only
*/
#define N_BROWS 0x48 /* path to associated .cb file */
/*
* for functions -- n_other bits for N_FUN stab
*/
#define N_FUN_PURE (1 << 0)
#define N_FUN_ELEMENTAL (1 << 1)
#define N_FUN_RECURSIVE (1 << 2)
#define N_FUN_AMD64_PARMDUMP (1 << 3)
/*
* for variables -- n_other bits for N_LSYM, N_GSYM, N_LCSYM, N_STSYM, ...
*/
#define N_SYM_OMP_TLS (1 << 3)
/*
* Optional language designations for N_SO (n_desc field)
*/
#define N_SO_AS 1 /* Assembler */
#define N_SO_C 2 /* C */
#define N_SO_ANSI_C 3 /* ANSI C */
#define N_SO_CC 4 /* C++ */
#define N_SO_FORTRAN 5 /* Fortran 77 */
#define N_SO_FORTRAN77 5 /* Fortran 77 */
#define N_SO_PASCAL 6 /* Pascal */
#define N_SO_FORTRAN90 7 /* Fortran 90 */
#define N_SO_JAVA 8 /* Java */
#define N_SO_C99 9 /* C99 */
/*
* Floating point type values (encoded in "R" type specification string)
*/
#define NF_NONE 0 /* Undefined type */
#define NF_SINGLE 1 /* Float IEEE 32 bit floating point */
#define NF_DOUBLE 2 /* Double IEEE 64 bit floating point */
#define NF_COMPLEX 3 /* Complex (2 32bit floats) */
#define NF_COMPLEX16 4 /* Complex (2 64bit doubles) */
#define NF_COMPLEX32 5 /* Complex (2 128bit long doubles) */
#define NF_LDOUBLE 6 /* Long double 128 bit floating point */
#define NF_INTERARITH 7 /* Interval (2 32bit floats) */
#define NF_DINTERARITH 8 /* Interval (2 64bit doubles) */
#define NF_QINTERARITH 9 /* Interval (2 128bit long doubles) */
#define NF_IMAGINARY 10 /* Imaginary (1 32bit floats) */
#define NF_DIMAGINARY 11 /* Imaginary (1 64bit doubles) */
#define NF_QIMAGINARY 12 /* Imaginary (1 128bit long doubles) */
#endif
|
GitWeb