Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 1 | /* Convenience functions for handling DWARF descriptions of inline functions. |
| 2 | Copyright (C) 2005,2006 Red Hat, Inc. |
| 3 | This file is part of Red Hat elfutils. |
| 4 | |
| 5 | Red Hat elfutils is free software; you can redistribute it and/or modify |
| 6 | it under the terms of the GNU General Public License as published by the |
| 7 | Free Software Foundation; version 2 of the License. |
| 8 | |
| 9 | Red Hat elfutils is distributed in the hope that it will be useful, but |
| 10 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 12 | General Public License for more details. |
| 13 | |
| 14 | You should have received a copy of the GNU General Public License along |
| 15 | with Red Hat elfutils; if not, write to the Free Software Foundation, |
Ulrich Drepper | 1e9ef50 | 2006-04-04 22:29:06 +0000 | [diff] [blame] | 16 | Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA. |
Ulrich Drepper | 361df7d | 2006-04-04 21:38:57 +0000 | [diff] [blame] | 17 | |
| 18 | In addition, as a special exception, Red Hat, Inc. gives You the |
| 19 | additional right to link the code of Red Hat elfutils with code licensed |
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| 23 | exception must only link to the code of Red Hat elfutils through those |
| 24 | well defined interfaces identified in the file named EXCEPTION found in |
| 25 | the source code files (the "Approved Interfaces"). The files of Non-GPL |
| 26 | Code may instantiate templates or use macros or inline functions from |
| 27 | the Approved Interfaces without causing the resulting work to be covered |
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| 30 | this exception is conditioned upon your not adding any new exceptions. |
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| 34 | with Red Hat elfutils except the Non-GPL Code covered by this exception. |
| 35 | If you modify this file, you may extend this exception to your version |
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| 41 | Red Hat elfutils is an included package of the Open Invention Network. |
| 42 | An included package of the Open Invention Network is a package for which |
| 43 | Open Invention Network licensees cross-license their patents. No patent |
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| 47 | <http://www.openinventionnetwork.com>. */ |
| 48 | |
Roland McGrath | 104532f | 2005-08-15 09:53:48 +0000 | [diff] [blame] | 49 | #ifdef HAVE_CONFIG_H |
| 50 | # include <config.h> |
| 51 | #endif |
| 52 | |
| 53 | #include "libdwP.h" |
| 54 | #include <dwarf.h> |
| 55 | |
| 56 | struct visitor_info |
| 57 | { |
| 58 | void *die_addr; |
| 59 | int (*callback) (Dwarf_Die *, void *); |
| 60 | void *arg; |
| 61 | }; |
| 62 | |
| 63 | static int |
| 64 | scope_visitor (unsigned int depth __attribute__ ((unused)), |
Roland McGrath | 71e15a0 | 2005-08-27 10:33:26 +0000 | [diff] [blame] | 65 | struct Dwarf_Die_Chain *die, void *arg) |
Roland McGrath | 104532f | 2005-08-15 09:53:48 +0000 | [diff] [blame] | 66 | { |
| 67 | struct visitor_info *const v = arg; |
| 68 | |
Roland McGrath | 71e15a0 | 2005-08-27 10:33:26 +0000 | [diff] [blame] | 69 | if (INTUSE(dwarf_tag) (&die->die) != DW_TAG_inlined_subroutine) |
Roland McGrath | 104532f | 2005-08-15 09:53:48 +0000 | [diff] [blame] | 70 | return DWARF_CB_OK; |
| 71 | |
| 72 | Dwarf_Attribute attr_mem; |
Roland McGrath | 71e15a0 | 2005-08-27 10:33:26 +0000 | [diff] [blame] | 73 | Dwarf_Attribute *attr = INTUSE(dwarf_attr) (&die->die, DW_AT_abstract_origin, |
Roland McGrath | 104532f | 2005-08-15 09:53:48 +0000 | [diff] [blame] | 74 | &attr_mem); |
| 75 | if (attr == NULL) |
| 76 | return DWARF_CB_OK; |
| 77 | |
| 78 | Dwarf_Die origin_mem; |
| 79 | Dwarf_Die *origin = INTUSE(dwarf_formref_die) (attr, &origin_mem); |
| 80 | if (origin == NULL) |
| 81 | return DWARF_CB_ABORT; |
| 82 | |
| 83 | if (origin->addr != v->die_addr) |
| 84 | return DWARF_CB_OK; |
| 85 | |
Roland McGrath | 71e15a0 | 2005-08-27 10:33:26 +0000 | [diff] [blame] | 86 | return (*v->callback) (&die->die, v->arg); |
Roland McGrath | 104532f | 2005-08-15 09:53:48 +0000 | [diff] [blame] | 87 | } |
| 88 | |
| 89 | int |
Roland McGrath | 6724c90 | 2005-10-28 07:07:19 +0000 | [diff] [blame] | 90 | dwarf_func_inline (Dwarf_Die *func) |
Roland McGrath | 104532f | 2005-08-15 09:53:48 +0000 | [diff] [blame] | 91 | { |
| 92 | Dwarf_Attribute attr_mem; |
| 93 | Dwarf_Word val; |
Roland McGrath | 6724c90 | 2005-10-28 07:07:19 +0000 | [diff] [blame] | 94 | if (INTUSE(dwarf_formudata) (INTUSE(dwarf_attr) (func, DW_AT_inline, |
Roland McGrath | 104532f | 2005-08-15 09:53:48 +0000 | [diff] [blame] | 95 | &attr_mem), |
| 96 | &val) == 0) |
| 97 | switch (val) |
| 98 | { |
| 99 | case DW_INL_not_inlined: |
| 100 | return 0; |
| 101 | |
| 102 | case DW_INL_declared_not_inlined: |
| 103 | return -1; |
| 104 | |
| 105 | case DW_INL_inlined: |
| 106 | case DW_INL_declared_inlined: |
| 107 | return 1; |
| 108 | } |
| 109 | |
| 110 | return 0; |
| 111 | } |
| 112 | |
| 113 | int |
Roland McGrath | 6724c90 | 2005-10-28 07:07:19 +0000 | [diff] [blame] | 114 | dwarf_func_inline_instances (Dwarf_Die *func, |
Roland McGrath | 104532f | 2005-08-15 09:53:48 +0000 | [diff] [blame] | 115 | int (*callback) (Dwarf_Die *, void *), |
| 116 | void *arg) |
| 117 | { |
Roland McGrath | 6724c90 | 2005-10-28 07:07:19 +0000 | [diff] [blame] | 118 | struct visitor_info v = { func->addr, callback, arg }; |
| 119 | struct Dwarf_Die_Chain cu = { .die = CUDIE (func->cu), .parent = NULL }; |
Roland McGrath | 71e15a0 | 2005-08-27 10:33:26 +0000 | [diff] [blame] | 120 | return __libdw_visit_scopes (0, &cu, &scope_visitor, NULL, &v); |
Roland McGrath | 104532f | 2005-08-15 09:53:48 +0000 | [diff] [blame] | 121 | } |