Ulrich Drepper | b08d5a8 | 2005-07-26 05:00:05 +0000 | [diff] [blame^] | 1 | /* Return source file information of CU. |
| 2 | Copyright (C) 2004, 2005 Red Hat, Inc. |
| 3 | Written by Ulrich Drepper <drepper@redhat.com>, 2004. |
| 4 | |
| 5 | This program is Open Source software; you can redistribute it and/or |
| 6 | modify it under the terms of the Open Software License version 1.0 as |
| 7 | published by the Open Source Initiative. |
| 8 | |
| 9 | You should have received a copy of the Open Software License along |
| 10 | with this program; if not, you may obtain a copy of the Open Software |
| 11 | License version 1.0 from http://www.opensource.org/licenses/osl.php or |
| 12 | by writing the Open Source Initiative c/o Lawrence Rosen, Esq., |
| 13 | 3001 King Ranch Road, Ukiah, CA 95482. */ |
| 14 | |
| 15 | #ifdef HAVE_CONFIG_H |
| 16 | # include <config.h> |
| 17 | #endif |
| 18 | |
| 19 | #include <assert.h> |
| 20 | #include <dwarf.h> |
| 21 | #include "libdwP.h" |
| 22 | |
| 23 | |
| 24 | int |
| 25 | dwarf_getsrcfiles (Dwarf_Die *cudie, Dwarf_Files **files, size_t *nfiles) |
| 26 | { |
| 27 | if (unlikely (cudie == NULL |
| 28 | || INTUSE(dwarf_tag) (cudie) != DW_TAG_compile_unit)) |
| 29 | return -1; |
| 30 | |
| 31 | int res = -1; |
| 32 | |
| 33 | /* Get the information if it is not already known. */ |
| 34 | struct Dwarf_CU *const cu = cudie->cu; |
| 35 | if (cu->lines == NULL) |
| 36 | { |
| 37 | Dwarf_Lines *lines; |
| 38 | size_t nlines; |
| 39 | |
| 40 | /* Let the more generic function do the work. It'll create more |
| 41 | data but that will be needed in an real program anyway. */ |
| 42 | res = INTUSE(dwarf_getsrclines) (cudie, &lines, &nlines); |
| 43 | } |
| 44 | else if (cu->files != (void *) -1l) |
| 45 | /* We already have the information. */ |
| 46 | res = 0; |
| 47 | |
| 48 | if (likely (res == 0)) |
| 49 | { |
| 50 | assert (cu->files != NULL && cu->files != (void *) -1l); |
| 51 | *files = cu->files; |
| 52 | if (nfiles != NULL) |
| 53 | *nfiles = cu->files->nfiles; |
| 54 | } |
| 55 | |
| 56 | // XXX Eventually: unlocking here. |
| 57 | |
| 58 | return res; |
| 59 | } |
| 60 | INTDEF (dwarf_getsrcfiles) |