varun-r-mallya/sysprof
1
0
Fork 0
mirror of https://github.com/varun-r-mallya/sysprof.git synced 2026-02-12 16:10:54 +00:00
Code Issues Packages Projects Releases Wiki Activity

symbols: provide minimal API to specify symbol directories

Browse Source 
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.
This commit is contained in:
Christian Hergert
2017-02-25 21:35:21 -08:00
parent 9c7a31cbf6
commit c8fa62e839
6 changed files with 188 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

124
lib/sp-symbol-dirs.c Normal file
View File

@ -0,0 +1,124 @@
/* sp-symbol-dirs.c
*
* Copyright (C) 2017 Christian Hergert <chergert@redhat.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "config.h"
#include "sp-symbol-dirs.h"
static GPtrArray *sp_symbol_dirs;
G_LOCK_DEFINE (sp_symbol_dirs);
static GPtrArray *
sp_get_symbol_dirs_locked (void)
{
if (sp_symbol_dirs == NULL)
{
sp_symbol_dirs = g_ptr_array_new ();
g_ptr_array_add (sp_symbol_dirs, g_strdup ("/usr/lib/debug"));
}
return sp_symbol_dirs;
}
void
sp_symbol_dirs_add (const gchar *path)
{
GPtrArray *ar;
G_LOCK (sp_symbol_dirs);
ar = sp_get_symbol_dirs_locked ();
for (guint i = 0; i < ar->len; i++)
{
const gchar *ele = g_ptr_array_index (ar, i);
if (g_strcmp0 (path, ele) == 0)
goto skip;
}
g_ptr_array_add (ar, g_strdup (path));
skip:
G_UNLOCK (sp_symbol_dirs);
}
void
sp_symbol_dirs_remove (const gchar *path)
{
GPtrArray *ar;
G_LOCK (sp_symbol_dirs);
ar = sp_get_symbol_dirs_locked ();
for (guint i = 0; i < ar->len; i++)
{
const gchar *ele = g_ptr_array_index (ar, i);
if (g_strcmp0 (path, ele) == 0)
{
g_ptr_array_remove_index (ar, i);
break;
}
}
G_UNLOCK (sp_symbol_dirs);
}
/**
* sp_symbol_dirs_get_paths:
* @dir: the directory containing the library
* @name: the name of the file in @dir
*
* This function will build an array of files to look at to resolve the
* debug symbols for the file at path "dir/name".
*
* Returns: (transfer full): A #GStrv of possible paths.
*/
gchar **
sp_symbol_dirs_get_paths (const gchar *dir,
const gchar *name)
{
GPtrArray *ret = g_ptr_array_new ();
GPtrArray *ar;
g_ptr_array_add (ret, g_build_filename (dir, name, NULL));
G_LOCK (sp_symbol_dirs);
ar = sp_get_symbol_dirs_locked ();
for (guint i = 0; i < ar->len; i++)
{
const gchar *ele = g_ptr_array_index (ar, i);
g_ptr_array_add (ret, g_build_filename (ele, name, NULL));
g_ptr_array_add (ret, g_build_filename (ele, dir, name, NULL));
}
g_ptr_array_add (ret, g_build_filename (dir, ".debug", name, NULL));
g_ptr_array_add (ret, g_build_filename (DEBUGDIR, dir, name, NULL));
G_UNLOCK (sp_symbol_dirs);
g_ptr_array_add (ret, NULL);
return (gchar **)g_ptr_array_free (ret, FALSE);
}