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From: "H.J. Lu" <hjl.tools@gmail.com>
To: binutils@sourceware.org
Subject: [PATCH 1/2] Revert "PR28824, relro security issues, x86 keep COMMONPAGESIZE relro"
Date: Mon, 14 Feb 2022 17:10:25 -0800	[thread overview]
Message-ID: <20220215011026.738505-1-hjl.tools@gmail.com> (raw)

This reverts commit 31b4d3a16f200bf04db8439a63b72bba7af4e1be.
---
 ld/emultempl/elf-x86.em          | 1 -
 ld/ld.h                          | 4 ----
 ld/ldexp.c                       | 5 +----
 ld/testsuite/ld-x86-64/pr18176.d | 1 -
 4 files changed, 1 insertion(+), 10 deletions(-)

diff --git a/ld/emultempl/elf-x86.em b/ld/emultempl/elf-x86.em
index 134e4e1b616..f75521cecea 100644
--- a/ld/emultempl/elf-x86.em
+++ b/ld/emultempl/elf-x86.em
@@ -33,7 +33,6 @@ static struct elf_linker_x86_params params;
 static void
 elf_x86_create_output_section_statements (void)
 {
-  config.relro_use_commonpagesize = true;
   _bfd_elf_linker_x86_set_options (&link_info, &params);
 }
 
diff --git a/ld/ld.h b/ld/ld.h
index c7e4ca3d334..f3086bf30de 100644
--- a/ld/ld.h
+++ b/ld/ld.h
@@ -276,10 +276,6 @@ typedef struct
   /* If set, code and non-code sections should never be in one segment.  */
   bool separate_code;
 
-  /* TRUE if the end of the relro segment should be aligned to
-     COMMONPAGESIZE rather than MAXPAGESIZE.  */
-  bool relro_use_commonpagesize;
-
   /* The rpath separation character.  Usually ':'.  */
   char rpath_separator;
 
diff --git a/ld/ldexp.c b/ld/ldexp.c
index 90760e0a8ca..c18b8284ca5 100644
--- a/ld/ldexp.c
+++ b/ld/ldexp.c
@@ -485,10 +485,7 @@ fold_segment_align (etree_value_type *lhs)
 	      seg->base = expld.result.value;
 	      seg->commonpagesize = commonpage;
 	      seg->maxpagesize = maxpage;
-	      if (config.relro_use_commonpagesize)
-		seg->relropagesize = commonpage;
-	      else
-		seg->relropagesize = maxpage;
+	      seg->relropagesize = maxpage;
 	      seg->relro_end = 0;
 	    }
 	  else
diff --git a/ld/testsuite/ld-x86-64/pr18176.d b/ld/testsuite/ld-x86-64/pr18176.d
index 728c15a3dd8..a99ff15ac6b 100644
--- a/ld/testsuite/ld-x86-64/pr18176.d
+++ b/ld/testsuite/ld-x86-64/pr18176.d
@@ -3,7 +3,6 @@
 #ld: -melf_x86_64 -shared -z relro -T pr18176.t -z max-page-size=0x200000 -z common-page-size=0x1000 $NO_DT_RELR_LDFLAGS
 #readelf: -l --wide
 #target: x86_64-*-linux*
-#xfail: *-*-*
 
 #...
   GNU_RELRO      0x04bd17 0x000000000024bd17 0x000000000024bd17 0x0022e9 0x0022e9 R   0x1
-- 
2.34.1


             reply	other threads:[~2022-02-15  1:10 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-02-15  1:10 H.J. Lu [this message]
2022-02-15  1:10 ` [PATCH 2/2] x86-64: Use MAXPAGESIZE for the relro segment alignment H.J. Lu
2022-02-15 14:08   ` Michael Matz
2022-02-15 14:41     ` H.J. Lu
2022-02-15 14:57       ` Michael Matz

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