>From ff242043c11ca4fb4f96b7bf147462f916e9309c Mon Sep 17 00:00:00 2001
From: Petar Jovanovic <petar.jovanovic@rt-rk.com>
Date: Wed, 20 Aug 2014 00:50:54 +0200
Subject: [PATCH] Fix dynamic linker issue with bind-now

Fix the bind-now case when DT_REL and DT_JMPREL sections are separate
and there is a gap between them. This patch fixes bug #14341.
---
 elf/dynamic-link.h         |    5 ++++-
 elf/tst-split-dynreloc.c   |   28 ++++++++++++++++++++++++++++
 elf/tst-split-dynreloc.lds |    6 ++++++
 sysdeps/x86_64/Makefile    |    5 +++++
 4 files changed, 43 insertions(+), 1 deletion(-)
 create mode 100644 elf/tst-split-dynreloc.c
 create mode 100644 elf/tst-split-dynreloc.lds

diff --git a/elf/dynamic-link.h b/elf/dynamic-link.h
index 8d428e2..bb9ab27 100644
--- a/elf/dynamic-link.h
+++ b/elf/dynamic-link.h
@@ -135,7 +135,10 @@ elf_machine_lazy_rel (struct link_map *map,
 									      \
 	if (ranges[0].start + ranges[0].size == (start + size))		      \
 	  ranges[0].size -= size;					      \
-	if (! ELF_DURING_STARTUP && ((do_lazy) || ranges[0].size == 0))	      \
+	if (! ELF_DURING_STARTUP					      \
+	    && ((do_lazy)						      \
+		|| ranges[0].size == 0					      \
+		|| (ranges[0].start + ranges[0].size != start)))	      \
 	  {								      \
 	    ranges[1].start = start;					      \
 	    ranges[1].size = size;					      \
diff --git a/elf/tst-split-dynreloc.c b/elf/tst-split-dynreloc.c
new file mode 100644
index 0000000..bdb6b7c
--- /dev/null
+++ b/elf/tst-split-dynreloc.c
@@ -0,0 +1,28 @@
+/* This test will be used to create an executable with a specific
+   section layout in which .rela.dyn and .rela.plt are not contiguous.
+   For x86 case, readelf will report something like:
+
+   ...
+   [10] .rela.dyn         RELA
+   [11] .bar              PROGBITS
+   [12] .rela.plt         RELA
+   ...
+
+   This is important as this case was not correctly handled by dynamic
+   linker in the bind-now case, and the second section was never
+   processed.  */
+
+#include <stdio.h>
+
+static int __attribute__ ((section(".bar"))) bar = 0x12345678;
+static const char foo[] = "foo";
+
+static int
+do_test (void)
+{
+  printf ("%s %d\n", foo, bar);
+  return 0;
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"
diff --git a/elf/tst-split-dynreloc.lds b/elf/tst-split-dynreloc.lds
new file mode 100644
index 0000000..ed0a656
--- /dev/null
+++ b/elf/tst-split-dynreloc.lds
@@ -0,0 +1,6 @@
+SECTIONS
+{
+   .bar : { *(.bar) }
+}
+INSERT AFTER .rela.dyn;
+
diff --git a/sysdeps/x86_64/Makefile b/sysdeps/x86_64/Makefile
index ef70a50..6d53d06 100644
--- a/sysdeps/x86_64/Makefile
+++ b/sysdeps/x86_64/Makefile
@@ -38,6 +38,11 @@ tests += tst-audit3 tst-audit4 tst-audit5 tst-audit10
 ifeq (yes,$(config-cflags-avx))
 tests += tst-audit6 tst-audit7
 endif
+
+tests += tst-split-dynreloc
+LDFLAGS-tst-split-dynreloc = -Wl,-T,tst-split-dynreloc.lds
+tst-split-dynreloc-ENV = LD_BIND_NOW=1
+
 modules-names += tst-auditmod3a tst-auditmod3b \
 		tst-auditmod4a tst-auditmod4b \
 		tst-auditmod5a tst-auditmod5b \
-- 
1.7.9.5