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https://github.com/varun-r-mallya/sysprof.git
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c8fa62e839
This gives us the ability to locate symbols by directory in a much more maintainable manner. Library consumers can adjust their location based on where they know symbols are likely to be located.
125 lines
2.9 KiB
C
125 lines
2.9 KiB
C
/* sp-symbol-dirs.c
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*
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* Copyright (C) 2017 Christian Hergert <chergert@redhat.com>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "config.h"
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#include "sp-symbol-dirs.h"
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static GPtrArray *sp_symbol_dirs;
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G_LOCK_DEFINE (sp_symbol_dirs);
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static GPtrArray *
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sp_get_symbol_dirs_locked (void)
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{
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if (sp_symbol_dirs == NULL)
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{
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sp_symbol_dirs = g_ptr_array_new ();
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g_ptr_array_add (sp_symbol_dirs, g_strdup ("/usr/lib/debug"));
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}
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return sp_symbol_dirs;
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}
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void
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sp_symbol_dirs_add (const gchar *path)
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{
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GPtrArray *ar;
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G_LOCK (sp_symbol_dirs);
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ar = sp_get_symbol_dirs_locked ();
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for (guint i = 0; i < ar->len; i++)
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{
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const gchar *ele = g_ptr_array_index (ar, i);
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if (g_strcmp0 (path, ele) == 0)
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goto skip;
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}
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g_ptr_array_add (ar, g_strdup (path));
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skip:
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G_UNLOCK (sp_symbol_dirs);
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}
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void
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sp_symbol_dirs_remove (const gchar *path)
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{
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GPtrArray *ar;
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G_LOCK (sp_symbol_dirs);
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ar = sp_get_symbol_dirs_locked ();
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for (guint i = 0; i < ar->len; i++)
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{
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const gchar *ele = g_ptr_array_index (ar, i);
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if (g_strcmp0 (path, ele) == 0)
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{
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g_ptr_array_remove_index (ar, i);
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break;
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}
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}
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G_UNLOCK (sp_symbol_dirs);
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}
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/**
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* sp_symbol_dirs_get_paths:
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* @dir: the directory containing the library
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* @name: the name of the file in @dir
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*
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* This function will build an array of files to look at to resolve the
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* debug symbols for the file at path "dir/name".
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*
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* Returns: (transfer full): A #GStrv of possible paths.
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*/
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gchar **
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sp_symbol_dirs_get_paths (const gchar *dir,
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const gchar *name)
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{
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GPtrArray *ret = g_ptr_array_new ();
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GPtrArray *ar;
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g_ptr_array_add (ret, g_build_filename (dir, name, NULL));
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G_LOCK (sp_symbol_dirs);
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ar = sp_get_symbol_dirs_locked ();
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for (guint i = 0; i < ar->len; i++)
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{
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const gchar *ele = g_ptr_array_index (ar, i);
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g_ptr_array_add (ret, g_build_filename (ele, name, NULL));
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g_ptr_array_add (ret, g_build_filename (ele, dir, name, NULL));
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}
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g_ptr_array_add (ret, g_build_filename (dir, ".debug", name, NULL));
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g_ptr_array_add (ret, g_build_filename (DEBUGDIR, dir, name, NULL));
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G_UNLOCK (sp_symbol_dirs);
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g_ptr_array_add (ret, NULL);
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return (gchar **)g_ptr_array_free (ret, FALSE);
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}
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