elf/x86: Issue an error on discarded output .plt section

[binutils-gdb.git] / gdb / corelow.c

diff --git a/gdb/corelow.c b/gdb/corelow.c
index eb785a08633ac1659711a8c30e38aa90067ea333..10942e6af01fe2859ec175922fd52dfed70ef226 100644 (file)
--- a/gdb/corelow.c
+++ b/gdb/corelow.c
@@ -214,7 +214,7 @@ core_target::build_file_mappings ()
     /* read_core_file_mappings will invoke this lambda for each mapping
        that it finds.  */
     [&] (int num, ULONGEST start, ULONGEST end, ULONGEST file_ofs,
-        const char *filename)
+        const char *filename, const bfd_build_id *build_id)
       {
        /* Architecture-specific read_core_mapping methods are expected to
           weed out non-file-backed mappings.  */
@@ -428,7 +428,8 @@ core_target_open (const char *arg, int from_tty)
     }
 
   gdb::unique_xmalloc_ptr<char> filename (tilde_expand (arg));
-  if (!IS_ABSOLUTE_PATH (filename.get ()))
+  if (strlen (filename.get ()) != 0
+      && !IS_ABSOLUTE_PATH (filename.get ()))
     filename = gdb_abspath (filename.get ());
 
   flags = O_BINARY | O_LARGEFILE;
@@ -436,7 +437,7 @@ core_target_open (const char *arg, int from_tty)
     flags |= O_RDWR;
   else
     flags |= O_RDONLY;
-  scratch_chan = gdb_open_cloexec (filename.get (), flags, 0);
+  scratch_chan = gdb_open_cloexec (filename.get (), flags, 0).release ();
   if (scratch_chan < 0)
     perror_with_name (filename.get ());