Merge "gdb: backport an upstream patch to support fission with split debug."
diff --git a/gdb-7.11/gdb/dwarf2read.c b/gdb-7.11/gdb/dwarf2read.c
index 1020c12..9fc871b 100644
--- a/gdb-7.11/gdb/dwarf2read.c
+++ b/gdb-7.11/gdb/dwarf2read.c
@@ -10837,12 +10837,26 @@
struct dwp_file *dwp_file;
char *dwp_name;
bfd *dbfd;
- struct cleanup *cleanups;
+ struct cleanup *cleanups = make_cleanup (null_cleanup, 0);
/* Try to find first .dwp for the binary file before any symbolic links
resolving. */
- dwp_name = xstrprintf ("%s.dwp", objfile->original_name);
- cleanups = make_cleanup (xfree, dwp_name);
+
+ /* If the objfile is a debug file, find the name of the real binary
+ file and get the name of dwp file from there. */
+ if (objfile->separate_debug_objfile_backlink != NULL)
+ {
+ struct objfile *backlink = objfile->separate_debug_objfile_backlink;
+ const char *backlink_basename = lbasename (backlink->original_name);
+ char *debug_dirname = ldirname (objfile->original_name);
+
+ make_cleanup (xfree, debug_dirname);
+ dwp_name = xstrprintf ("%s%s%s.dwp", debug_dirname,
+ SLASH_STRING, backlink_basename);
+ }
+ else
+ dwp_name = xstrprintf ("%s.dwp", objfile->original_name);
+ make_cleanup (xfree, dwp_name);
dbfd = open_dwp_file (dwp_name);
if (dbfd == NULL
diff --git a/gdb-7.11/gdb/testsuite/gdb.dwarf2/dwp-sepdebug.c b/gdb-7.11/gdb/testsuite/gdb.dwarf2/dwp-sepdebug.c
new file mode 100644
index 0000000..bb11da2
--- /dev/null
+++ b/gdb-7.11/gdb/testsuite/gdb.dwarf2/dwp-sepdebug.c
@@ -0,0 +1,22 @@
+/* This testcase is part of GDB, the GNU debugger.
+
+ Copyright 2016 Free Software Foundation, Inc.
+
+ 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/>. */
+
+int
+main (int argc, char **argv)
+{
+ return 0;
+}
diff --git a/gdb-7.11/gdb/testsuite/gdb.dwarf2/dwp-sepdebug.exp b/gdb-7.11/gdb/testsuite/gdb.dwarf2/dwp-sepdebug.exp
new file mode 100644
index 0000000..a4e7068
--- /dev/null
+++ b/gdb-7.11/gdb/testsuite/gdb.dwarf2/dwp-sepdebug.exp
@@ -0,0 +1,40 @@
+# Copyright 2016 Free Software Foundation, Inc.
+
+# 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/>.
+
+standard_testfile
+
+if { [build_executable ${testfile}.exp ${testfile} ${srcfile}] == -1 } {
+ return -1
+}
+if ![remote_file host exists [standard_output_file ${testfile}.dwp]] {
+ unsupported "testsuite run does not produce dwp files"
+ return 0
+}
+
+# Note: the procedure gdb_gnu_strip_debug will produce an executable called
+# ${binfile}, which is just like the executable ($binfile) but without
+# the debuginfo. Instead $binfile has a .gnu_debuglink section which contains
+# the name of a debuginfo only file. This file will be stored in the
+# gdb.base/ subdirectory.
+
+if [gdb_gnu_strip_debug $binfile$EXEEXT] {
+ # check that you have a recent version of strip and objcopy installed
+ unsupported "cannot produce separate debug info files"
+ return -1
+}
+
+clean_restart "$testfile"
+
+gdb_test "ptype main" {type = int \(int, char \*\*\)}
