xref: /titanic_44/usr/src/tools/ctf/dwarf/common/dwarf_funcs.c (revision c3f7431d06a31d5689b27f508120a3bd357f251e)
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_funcs.h"
42 #include "dwarf_global.h"
43 
44 int
45 dwarf_get_funcs(Dwarf_Debug dbg,
46 		Dwarf_Func ** funcs,
47 		Dwarf_Signed * ret_func_count, Dwarf_Error * error)
48 {
49     int res;
50 
51     res =
52 	_dwarf_load_section(dbg,
53 			    dbg->de_debug_funcnames_index,
54 			    &dbg->de_debug_funcnames,
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_funcnames, dbg->de_debug_funcnames_size, (Dwarf_Global **) funcs,	/* type
61 																	   punning,
62 																	   Dwarf_Type
63 																	   is never
64 																	   a
65 																	   completed
66 																	   type */
67 						  ret_func_count,
68 						  error,
69 						  DW_DLA_FUNC_CONTEXT,
70 						  DW_DLE_DEBUG_FUNCNAMES_LENGTH_BAD,
71 						  DW_DLE_DEBUG_FUNCNAMES_VERSION_ERROR);
72 
73 }
74 
75 
76 int
77 dwarf_funcname(Dwarf_Func func_in, char **ret_name, Dwarf_Error * error)
78 {
79     Dwarf_Global func = (Dwarf_Global) func_in;
80 
81     if (func == NULL) {
82 	_dwarf_error(NULL, error, DW_DLE_FUNC_NULL);
83 	return (DW_DLV_ERROR);
84     }
85 
86     *ret_name = (char *) (func->gl_name);
87     return DW_DLV_OK;
88 }
89 
90 int
91 dwarf_func_die_offset(Dwarf_Func func_in,
92 		      Dwarf_Off * return_offset, Dwarf_Error * error)
93 {
94     Dwarf_Global func = (Dwarf_Global) func_in;
95 
96     return dwarf_global_die_offset(func, return_offset, error);
97 }
98 
99 
100 int
101 dwarf_func_cu_offset(Dwarf_Func func_in,
102 		     Dwarf_Off * return_offset, Dwarf_Error * error)
103 {
104     Dwarf_Global func = (Dwarf_Global) func_in;
105 
106     return dwarf_global_cu_offset(func, return_offset, error);
107 }
108 
109 
110 int
111 dwarf_func_name_offsets(Dwarf_Func func_in,
112 			char **ret_func_name,
113 			Dwarf_Off * die_offset,
114 			Dwarf_Off * cu_die_offset, Dwarf_Error * error)
115 {
116     Dwarf_Global func = (Dwarf_Global) func_in;
117 
118     return dwarf_global_name_offsets(func,
119 				     ret_func_name,
120 				     die_offset, cu_die_offset, error);
121 }
122