* remote-udi.c (download): Skip zero length sections.

diff --git a/gdb/remote-udi.c b/gdb/remote-udi.c
index e04225aa49a1b39eec29bb0b95cbfe4ea90715dd..a17913f558de1869cf39c2ef4a44b0e2d3893782 100644 (file)
--- a/gdb/remote-udi.c
+++ b/gdb/remote-udi.c
@@ -1058,6 +1058,11 @@ download(load_arg_string, from_tty)
          section_size = bfd_section_size (pbfd, section);
          section_end = To.Offset + section_size;
 
+         if (section_size == 0)
+           /* This is needed at least in the BSS case, where the code
+              below starts writing before it even checks the size.  */
+           continue;
+
          printf("[Loading section %s at %x (%d bytes)]\n",
                 section_name,
                 To.Offset,
@@ -1119,6 +1124,8 @@ download(load_arg_string, from_tty)
              unsigned long zero = 0;
 
              /* Write a zero byte at the vma */
+             /* FIXME: Broken for sections of 1-3 bytes (we test for
+                zero above).  */
              err = UDIWrite ((UDIHostMemPtr)&zero,     /* From */
                              To,                       /* To */
                              (UDICount)1,              /* Count */