4 * dwarf-aux.h : libdw auxiliary interfaces
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
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18 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
23 #include <elfutils/libdw.h>
24 #include <elfutils/libdwfl.h>
25 #include <elfutils/version.h>
27 /* Find the realpath of the target file */
28 extern const char *cu_find_realpath(Dwarf_Die *cu_die, const char *fname);
30 /* Get DW_AT_comp_dir (should be NULL with older gcc) */
31 extern const char *cu_get_comp_dir(Dwarf_Die *cu_die);
33 /* Get a line number and file name for given address */
34 extern int cu_find_lineinfo(Dwarf_Die *cudie, unsigned long addr,
35 const char **fname, int *lineno);
37 /* Compare diename and tname */
38 extern bool die_compare_name(Dwarf_Die *dw_die, const char *tname);
40 /* Get callsite line number of inline-function instance */
41 extern int die_get_call_lineno(Dwarf_Die *in_die);
43 /* Get callsite file name of inlined function instance */
44 extern const char *die_get_call_file(Dwarf_Die *in_die);
47 extern Dwarf_Die *die_get_type(Dwarf_Die *vr_die, Dwarf_Die *die_mem);
49 /* Get a type die, but skip qualifiers and typedef */
50 extern Dwarf_Die *die_get_real_type(Dwarf_Die *vr_die, Dwarf_Die *die_mem);
52 /* Check whether the DIE is signed or not */
53 extern bool die_is_signed_type(Dwarf_Die *tp_die);
55 /* Get data_member_location offset */
56 extern int die_get_data_member_location(Dwarf_Die *mb_die, Dwarf_Word *offs);
58 /* Return values for die_find_child() callbacks */
60 DIE_FIND_CB_END = 0, /* End of Search */
61 DIE_FIND_CB_CHILD = 1, /* Search only children */
62 DIE_FIND_CB_SIBLING = 2, /* Search only siblings */
63 DIE_FIND_CB_CONTINUE = 3, /* Search children and siblings */
66 /* Search child DIEs */
67 extern Dwarf_Die *die_find_child(Dwarf_Die *rt_die,
68 int (*callback)(Dwarf_Die *, void *),
69 void *data, Dwarf_Die *die_mem);
71 /* Search a non-inlined function including given address */
72 extern Dwarf_Die *die_find_realfunc(Dwarf_Die *cu_die, Dwarf_Addr addr,
75 /* Search an inlined function including given address */
76 extern Dwarf_Die *die_find_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr,
79 /* Walker on lines (Note: line number will not be sorted) */
80 typedef int (* line_walk_callback_t) (const char *fname, int lineno,
81 Dwarf_Addr addr, void *data);
84 * Walk on lines inside given DIE. If the DIE is a subprogram, walk only on
85 * the lines inside the subprogram, otherwise the DIE must be a CU DIE.
87 extern int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback,
90 /* Find a variable called 'name' at given address */
91 extern Dwarf_Die *die_find_variable_at(Dwarf_Die *sp_die, const char *name,
92 Dwarf_Addr addr, Dwarf_Die *die_mem);
94 /* Find a member called 'name' */
95 extern Dwarf_Die *die_find_member(Dwarf_Die *st_die, const char *name,
98 /* Get the name of given variable DIE */
99 extern int die_get_typename(Dwarf_Die *vr_die, char *buf, int len);
101 /* Get the name and type of given variable DIE, stored as "type\tname" */
102 extern int die_get_varname(Dwarf_Die *vr_die, char *buf, int len);