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1 | #ifndef _DWARF_AUX_H |
2 | #define _DWARF_AUX_H | |
3 | /* | |
4 | * dwarf-aux.h : libdw auxiliary interfaces | |
5 | * | |
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. | |
10 | * | |
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. | |
15 | * | |
16 | * You should have received a copy of the GNU General Public License | |
17 | * along with this program; if not, write to the Free Software | |
18 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
19 | * | |
20 | */ | |
21 | ||
22 | #include <dwarf.h> | |
23 | #include <elfutils/libdw.h> | |
24 | #include <elfutils/libdwfl.h> | |
25 | #include <elfutils/version.h> | |
26 | ||
27 | /* Find the realpath of the target file */ | |
28 | extern const char *cu_find_realpath(Dwarf_Die *cu_die, const char *fname); | |
29 | ||
30 | /* Get DW_AT_comp_dir (should be NULL with older gcc) */ | |
31 | extern const char *cu_get_comp_dir(Dwarf_Die *cu_die); | |
32 | ||
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); | |
36 | ||
37 | /* Compare diename and tname */ | |
38 | extern bool die_compare_name(Dwarf_Die *dw_die, const char *tname); | |
39 | ||
40 | /* Get callsite line number of inline-function instance */ | |
41 | extern int die_get_call_lineno(Dwarf_Die *in_die); | |
42 | ||
43 | /* Get type die */ | |
44 | extern Dwarf_Die *die_get_type(Dwarf_Die *vr_die, Dwarf_Die *die_mem); | |
45 | ||
46 | /* Get a type die, but skip qualifiers and typedef */ | |
47 | extern Dwarf_Die *die_get_real_type(Dwarf_Die *vr_die, Dwarf_Die *die_mem); | |
48 | ||
49 | /* Check whether the DIE is signed or not */ | |
50 | extern bool die_is_signed_type(Dwarf_Die *tp_die); | |
51 | ||
52 | /* Get data_member_location offset */ | |
53 | extern int die_get_data_member_location(Dwarf_Die *mb_die, Dwarf_Word *offs); | |
54 | ||
55 | /* Return values for die_find_child() callbacks */ | |
56 | enum { | |
57 | DIE_FIND_CB_END = 0, /* End of Search */ | |
58 | DIE_FIND_CB_CHILD = 1, /* Search only children */ | |
59 | DIE_FIND_CB_SIBLING = 2, /* Search only siblings */ | |
60 | DIE_FIND_CB_CONTINUE = 3, /* Search children and siblings */ | |
61 | }; | |
62 | ||
63 | /* Search child DIEs */ | |
64 | extern Dwarf_Die *die_find_child(Dwarf_Die *rt_die, | |
65 | int (*callback)(Dwarf_Die *, void *), | |
66 | void *data, Dwarf_Die *die_mem); | |
67 | ||
68 | /* Search a non-inlined function including given address */ | |
69 | extern Dwarf_Die *die_find_realfunc(Dwarf_Die *cu_die, Dwarf_Addr addr, | |
70 | Dwarf_Die *die_mem); | |
71 | ||
72 | /* Search an inlined function including given address */ | |
73 | extern Dwarf_Die *die_find_inlinefunc(Dwarf_Die *sp_die, Dwarf_Addr addr, | |
74 | Dwarf_Die *die_mem); | |
75 | ||
76 | /* Walker on lines (Note: line number will not be sorted) */ | |
77 | typedef int (* line_walk_callback_t) (const char *fname, int lineno, | |
78 | Dwarf_Addr addr, void *data); | |
79 | ||
80 | /* | |
81 | * Walk on lines inside given DIE. If the DIE is a subprogram, walk only on | |
82 | * the lines inside the subprogram, otherwise the DIE must be a CU DIE. | |
83 | */ | |
84 | extern int die_walk_lines(Dwarf_Die *rt_die, line_walk_callback_t callback, | |
85 | void *data); | |
86 | ||
87 | /* Find a variable called 'name' at given address */ | |
88 | extern Dwarf_Die *die_find_variable_at(Dwarf_Die *sp_die, const char *name, | |
89 | Dwarf_Addr addr, Dwarf_Die *die_mem); | |
90 | ||
91 | /* Find a member called 'name' */ | |
92 | extern Dwarf_Die *die_find_member(Dwarf_Die *st_die, const char *name, | |
93 | Dwarf_Die *die_mem); | |
94 | ||
95 | /* Get the name of given variable DIE */ | |
96 | extern int die_get_typename(Dwarf_Die *vr_die, char *buf, int len); | |
97 | ||
98 | /* Get the name and type of given variable DIE, stored as "type\tname" */ | |
99 | extern int die_get_varname(Dwarf_Die *vr_die, char *buf, int len); | |
100 | #endif |