Remove invalid .dynamic section with --only-keep-debugusers/hjl/pr22101

Remove invalid .dynamic section with --only-keep-debug.

bfd/

	PR binutils/22101
	* elf.c (rewrite_elf_program_header): Remove the segment from
	output if all sections in input have been removed.

binutils/x

	PR binutils/22101
	* objcopy.c (strip_main): Also remove invalid .dynamic section
	with --only-keep-debug.
	(copy_main): Likewise.

1 files changed, 5 insertions, 0 deletions

diff --git a/bfd/elf.c b/bfd/elf.c
index 2aa2337..45e19f4 100644
--- a/bfd/elf.c
+++ b/bfd/elf.c
@@ -6721,6 +6721,11 @@ rewrite_elf_program_header (bfd *ibfd, bfd *obfd)
 	    }
 	}
 
+      /* Remove the segment from output if all sections in input have
+	 been removed.  */
+      if (first_section != NULL && section_count == 0)
+	continue;
+
       /* Allocate a segment map big enough to contain
 	 all of the sections we have selected.  */
       amt = sizeof (struct elf_segment_map);