Author: rpaulo
Date: Fri Feb 20 20:02:47 2015
New Revision: 279082
URL: https://svnweb.freebsd.org/changeset/base/279082
Log:
MFC r278658:
Teach libproc how to find debugging symbols in /usr/lib/debug.
Modified:
stable/10/lib/libproc/proc_sym.c
Directory Properties:
stable/10/ (props changed)
Modified: stable/10/lib/libproc/proc_sym.c
==============================================================================
--- stable/10/lib/libproc/proc_sym.c Fri Feb 20 19:48:24 2015
(r279081)
+++ stable/10/lib/libproc/proc_sym.c Fri Feb 20 20:02:47 2015
(r279082)
@@ -71,6 +71,21 @@ fail:
strlcpy(buf, symbol, len);
}
+static int
+find_dbg_obj(const char *path)
+{
+ int fd;
+ char dbg_path[PATH_MAX];
+
+ snprintf(dbg_path, sizeof(dbg_path),
+ "/usr/lib/debug/%s.debug", path);
+ fd = open(dbg_path, O_RDONLY);
+ if (fd > 0)
+ return (fd);
+ else
+ return (open(path, O_RDONLY));
+}
+
static void
proc_rdl2prmap(rd_loadobj_t *rdl, prmap_t *map)
{
@@ -247,7 +262,7 @@ proc_addr2sym(struct proc_handle *p, uin
if ((map = proc_addr2map(p, addr)) == NULL)
return (-1);
- if ((fd = open(map->pr_mapname, O_RDONLY, 0)) < 0) {
+ if ((fd = find_dbg_obj(map->pr_mapname)) < 0) {
DPRINTF("ERROR: open %s failed", map->pr_mapname);
goto err0;
}
@@ -428,7 +443,7 @@ proc_name2sym(struct proc_handle *p, con
DPRINTFX("ERROR: couldn't find object %s", object);
goto err0;
}
- if ((fd = open(map->pr_mapname, O_RDONLY, 0)) < 0) {
+ if ((fd = find_dbg_obj(map->pr_mapname)) < 0) {
DPRINTF("ERROR: open %s failed", map->pr_mapname);
goto err0;
}
@@ -525,7 +540,7 @@ proc_iter_symbyaddr(struct proc_handle *
if ((map = proc_name2map(p, object)) == NULL)
return (-1);
- if ((fd = open(map->pr_mapname, O_RDONLY)) < 0) {
+ if ((fd = find_dbg_obj(map->pr_mapname)) < 0) {
DPRINTF("ERROR: open %s failed", map->pr_mapname);
goto err0;
}
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