Add new linker option: --warn-orphan which generates warning messages when orphan sections are detected.

ld	* ld.h (struct ld_config_type): Add new field: warn_orphan.
	* ldlex.h (enum option_values): Add OPTION_WARN_ORPHAN and
	OPTION_NO_WARN_ORPHAN.
	* lexsup.c (ld_options): Add --warn-orphan and --no-warn-orphan.
	(parse_args): Handle the new options.
	* ldemul.c (ldemul_place_orphan): If requested, generate a warning
	message when an orphan section is placed in the output file.
	* ld.texinfo: Document the new option.
	* NEWS: Mention the new feature.

tests	* ld-elf/orphan-5.l: New test - checks the linker's output with
	--warn-orphan enabled.
	* ld-elf/elf.exp: Run the new test.

1 files changed, 3 insertions, 0 deletions

diff --git a/ld/ld.h b/ld/ld.h
index e0ca3e8..f804f9c 100644
--- a/ld/ld.h
+++ b/ld/ld.h
@@ -226,6 +226,9 @@ typedef struct {
   /* If TRUE, only warn once about a particular undefined symbol.  */
   bfd_boolean warn_once;
 
+  /* If TRUE, issue warning messages when orphan sections are encountered.  */
+  bfd_boolean warn_orphan;
+
   /* If TRUE, warn if multiple global-pointers are needed (Alpha
      only).  */
   bfd_boolean warn_multiple_gp;