xref: /titanic_41/usr/src/tools/ctf/dwarf/common/dwarf_vars.c (revision 49d3bc91e27cd871b950d56c01398fa2f2e12ab4)
1 /*
2 
3   Copyright (C) 2000, 2002 Silicon Graphics, Inc.  All Rights Reserved.
4 
5   This program is free software; you can redistribute it and/or modify it
6   under the terms of version 2.1 of the GNU Lesser General Public License
7   as published by the Free Software Foundation.
8 
9   This program is distributed in the hope that it would be useful, but
10   WITHOUT ANY WARRANTY; without even the implied warranty of
11   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
12 
13   Further, this software is distributed without any warranty that it is
14   free of the rightful claim of any third person regarding infringement
15   or the like.  Any license provided herein, whether implied or
16   otherwise, applies only to this software file.  Patent licenses, if
17   any, provided herein do not apply to combinations of this program with
18   other software, or any other product whatsoever.
19 
20   You should have received a copy of the GNU Lesser General Public
21   License along with this program; if not, write the Free Software
22   Foundation, Inc., 59 Temple Place - Suite 330, Boston MA 02111-1307,
23   USA.
24 
25   Contact information:  Silicon Graphics, Inc., 1600 Amphitheatre Pky,
26   Mountain View, CA 94043, or:
27 
28   http://www.sgi.com
29 
30   For further information regarding this notice, see:
31 
32   http://oss.sgi.com/projects/GenInfo/NoticeExplan
33 
34 */
35 
36 
37 
38 #include "config.h"
39 #include "dwarf_incl.h"
40 #include <stdio.h>
41 #include "dwarf_vars.h"
42 #include "dwarf_global.h"
43 
44 int
45 dwarf_get_vars(Dwarf_Debug dbg,
46 	       Dwarf_Var ** vars,
47 	       Dwarf_Signed * ret_var_count, Dwarf_Error * error)
48 {
49     int res;
50 
51     res =
52        _dwarf_load_section(dbg,
53 		           dbg->de_debug_varnames_index,
54 			   &dbg->de_debug_varnames,
55 		           error);
56     if (res != DW_DLV_OK) {
57 	return res;
58     }
59 
60     return _dwarf_internal_get_pubnames_like_data(dbg, dbg->de_debug_varnames, dbg->de_debug_varnames_size, (Dwarf_Global **) vars,	/* type
61 																	   punning,
62 																	   Dwarf_Type
63 																	   is never
64 																	   a
65 																	   completed
66 																	   type */
67 						  ret_var_count,
68 						  error,
69 						  DW_DLA_VAR_CONTEXT,
70 						  DW_DLE_DEBUG_VARNAMES_LENGTH_BAD,
71 						  DW_DLE_DEBUG_VARNAMES_VERSION_ERROR);
72 }
73 
74 
75 int
76 dwarf_varname(Dwarf_Var var_in, char **ret_varname, Dwarf_Error * error)
77 {
78     Dwarf_Global var = (Dwarf_Global) var_in;
79 
80     if (var == NULL) {
81 	_dwarf_error(NULL, error, DW_DLE_VAR_NULL);
82 	return (DW_DLV_ERROR);
83     }
84 
85     *ret_varname = (char *) (var->gl_name);
86     return DW_DLV_OK;
87 }
88 
89 
90 int
91 dwarf_var_die_offset(Dwarf_Var var_in,
92 		     Dwarf_Off * returned_offset, Dwarf_Error * error)
93 {
94     Dwarf_Global var = (Dwarf_Global) var_in;
95 
96     return dwarf_global_die_offset(var, returned_offset, error);
97 
98 }
99 
100 
101 int
102 dwarf_var_cu_offset(Dwarf_Var var_in,
103 		    Dwarf_Off * returned_offset, Dwarf_Error * error)
104 {
105     Dwarf_Global var = (Dwarf_Global) var_in;
106 
107     return dwarf_global_cu_offset(var, returned_offset, error);
108 }
109 
110 
111 int
112 dwarf_var_name_offsets(Dwarf_Var var_in,
113 		       char **returned_name,
114 		       Dwarf_Off * die_offset,
115 		       Dwarf_Off * cu_offset, Dwarf_Error * error)
116 {
117     Dwarf_Global var = (Dwarf_Global) var_in;
118 
119     return
120 	dwarf_global_name_offsets(var,
121 				  returned_name, die_offset, cu_offset,
122 				  error);
123 }
124