[PATCH 1/2] readelf: Warn if PT_DYNAMIC segment doesn't match .dynamic section

[H.J. Lu]

The PT_DYNAMIC segment, which is used by the run-time loader,  must
exactly match the .dynamic section.

	PR binutils/25809
	* readelf.c (process_program_headers): Warn if the PT_DYNAMIC
	segment doesn't match the .dynamic section.
---
 binutils/readelf.c | 13 ++++++-------
 1 file changed, 6 insertions(+), 7 deletions(-)

diff --git a/binutils/readelf.c b/binutils/readelf.c
index 535d47a58e..91e47887e7 100644
--- a/binutils/readelf.c
+++ b/binutils/readelf.c
@@ -5337,13 +5337,12 @@ process_program_headers (Filedata * filedata)
 	      dynamic_addr = sec->sh_offset;
 	      dynamic_size = sec->sh_size;
 
-	      if (dynamic_addr < segment->p_offset
-		  || dynamic_addr > segment->p_offset + segment->p_filesz)
-		warn (_("the .dynamic section is not contained"
-			" within the dynamic segment\n"));
-	      else if (dynamic_addr > segment->p_offset)
-		warn (_("the .dynamic section is not the first section"
-			" in the dynamic segment.\n"));
+	      /* The PT_DYNAMIC segment, which is used by the run-time
+		 loader,  must exactly match the .dynamic section.  */
+	      if (dynamic_addr != segment->p_offset
+		  || dynamic_size != segment->p_filesz)
+		warn (_("the .dynamic section doesn't match the "
+			"dynamic segment\n"));
 	    }
 
 	  /* PR binutils/17512: Avoid corrupt dynamic section info in the
-- 
2.25.2