x86: Cache section contents and relocations

bfd/

	PR ld/22135
	* elf32-i386.c (elf_i386_convert_load_reloc): Add an argument
	to indicate if conversion is performed.
	(elf_i386_check_relocs): Cache section contents and relocations
	if conversion is performed.
	* elf64-x86-64.c (elf_x86_64_check_relocs): Cache section
	contents and relocations if conversion is performed.

ld/

	PR ld/22135
	* testsuite/ld-i386/i386.exp: Run pr22135.
	* testsuite/ld-x86-64/x86-64.exp: Likewise.
	* testsuite/ld-i386/pr22135.d: New file.
	* testsuite/ld-i386/pr22135.s: Likewise.
	* testsuite/ld-x86-64/pr22135.d: Likewise.
	* testsuite/ld-x86-64/pr22135.s: Likewise.

7 files changed, 58 insertions, 0 deletions

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 1d052f7..857f4c9 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,13 @@
+2017-09-14  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/22135
+	* testsuite/ld-i386/i386.exp: Run pr22135.
+	* testsuite/ld-x86-64/x86-64.exp: Likewise.
+	* testsuite/ld-i386/pr22135.d: New file.
+	* testsuite/ld-i386/pr22135.s: Likewise.
+	* testsuite/ld-x86-64/pr22135.d: Likewise.
+	* testsuite/ld-x86-64/pr22135.s: Likewise.
+
 2017-09-09  Alan Modra  <amodra@gmail.com>
 
 	* ld.texinfo (--plt-align): Describe new behaviour of option.
diff --git a/ld/testsuite/ld-i386/i386.exp b/ld/testsuite/ld-i386/i386.exp
index f691c32..d79c4583 100644
--- a/ld/testsuite/ld-i386/i386.exp
+++ b/ld/testsuite/ld-i386/i386.exp
@@ -444,6 +444,7 @@ run_dump_test "pr22115-1a"
 run_dump_test "pr22115-1b"
 run_dump_test "pr22115-1c"
 run_dump_test "pr22115-1d"
+run_dump_test "pr22135"
 
 if { !([istarget "i?86-*-linux*"]
        || [istarget "i?86-*-gnu*"]
diff --git a/ld/testsuite/ld-i386/pr22135.d b/ld/testsuite/ld-i386/pr22135.d
new file mode 100644
index 0000000..a5796ba
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr22135.d
@@ -0,0 +1,12 @@
+#as: --32 -mrelax-relocations=yes
+#ld: -pie -melf_i386 --no-keep-memory
+#objdump: -dw
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+#...
+[ 	]*[a-f0-9]+:	8d 81 ([0-9a-f]{2} ){4} *	lea    -0x[a-f0-9]+\(%ecx\),%eax
+#pass
diff --git a/ld/testsuite/ld-i386/pr22135.s b/ld/testsuite/ld-i386/pr22135.s
new file mode 100644
index 0000000..6afad88
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr22135.s
@@ -0,0 +1,11 @@
+	.text
+	.globl	foo
+	.type	foo, @function
+foo:
+	ret
+	.size	foo, .-foo
+	.globl	_start
+	.type	_start, @function
+_start:
+	movl	foo@GOT(%ecx), %eax
+	.size	_start, .-_start
diff --git a/ld/testsuite/ld-x86-64/pr22135.d b/ld/testsuite/ld-x86-64/pr22135.d
new file mode 100644
index 0000000..2cd6861
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr22135.d
@@ -0,0 +1,12 @@
+#as: --64
+#ld: -pie -melf_x86_64 --no-keep-memory
+#objdump: -dw
+
+.*: +file format .*
+
+
+Disassembly of section .text:
+
+#...
+[ 	]*[a-f0-9]+:	8d 05 ([0-9a-f]{2} ){4} *	lea    -0x[a-f0-9]+\(%rip\),%eax        # [a-f0-9]+ <foo>
+#pass
diff --git a/ld/testsuite/ld-x86-64/pr22135.s b/ld/testsuite/ld-x86-64/pr22135.s
new file mode 100644
index 0000000..f4dff5c
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr22135.s
@@ -0,0 +1,11 @@
+	.text
+	.globl	foo
+	.type	foo, @function
+foo:
+	ret
+	.size	foo, .-foo
+	.globl	_start
+	.type	_start, @function
+_start:
+	movl	foo@GOTPCREL(%rip), %eax
+	.size	_start, .-_start
diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp
index edf8896..676d44a 100644
--- a/ld/testsuite/ld-x86-64/x86-64.exp
+++ b/ld/testsuite/ld-x86-64/x86-64.exp
@@ -377,6 +377,7 @@ run_dump_test "pr22115-1c"
 run_dump_test "pr22115-1c-x32"
 run_dump_test "pr22115-1d"
 run_dump_test "pr22115-1d-x32"
+run_dump_test "pr22135"
 
 if { ![istarget "x86_64-*-linux*"] && ![istarget "x86_64-*-nacl*"]} {
     return