Merge with binutils-2_27-branch rev b5d3ac20

Change-Id: Iaa5f379bb904c3eb5b6e041c62c24076d2838063
diff --git a/.gitreview b/.gitreview
new file mode 100644
index 0000000..0c66476
--- /dev/null
+++ b/.gitreview
@@ -0,0 +1,4 @@
+[gerrit]
+host=review.linaro.org
+port=29418
+project=toolchain/binutils-gdb
diff --git a/bfd/ChangeLog.linaro b/bfd/ChangeLog.linaro
new file mode 100644
index 0000000..c5d7117
--- /dev/null
+++ b/bfd/ChangeLog.linaro
@@ -0,0 +1,18 @@
+2017-04-27  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+	Backport from mainline:
+	2017-04-21  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/19617
+	PR ld/21086
+	* elflink.c (elf_link_add_object_symbols): Require
+	--no-dynamic-linker with -E/--dynamic-list when creating
+	dynamic sections.
+
+2016-09-15  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	Backport from mainline:
+	2016-08-23  Nick Clifton  <nickc@redhat.com>
+
+	* elf32-arm.c (elf32_arm_count_additional_relocs): Return zero if
+	there is no arm data associated with the section.
diff --git a/bfd/elf32-arm.c b/bfd/elf32-arm.c
index 700bec3..3fab609 100644
--- a/bfd/elf32-arm.c
+++ b/bfd/elf32-arm.c
@@ -18207,7 +18207,7 @@
 {
   struct _arm_elf_section_data *arm_data;
   arm_data = get_arm_elf_section_data (sec);
-  return arm_data->additional_reloc_count;
+  return arm_data == NULL ? 0 : arm_data->additional_reloc_count;
 }
 
 /* Called to set the sh_flags, sh_link and sh_info fields of OSECTION which
diff --git a/bfd/elflink.c b/bfd/elflink.c
index 3e24940..c6b6992 100644
--- a/bfd/elflink.c
+++ b/bfd/elflink.c
@@ -3750,6 +3750,7 @@
       if (!just_syms
 	  && (bfd_link_pic (info)
 	      || (!bfd_link_relocatable (info)
+		  && info->nointerp
 		  && (info->export_dynamic || info->dynamic)))
 	  && is_elf_hash_table (htab)
 	  && info->output_bfd->xvec == abfd->xvec
diff --git a/gas/ChangeLog.linaro b/gas/ChangeLog.linaro
new file mode 100644
index 0000000..84a9828
--- /dev/null
+++ b/gas/ChangeLog.linaro
@@ -0,0 +1,21 @@
+2017-06-14  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	Backport from mainline:
+	2017-04-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	* config/tc-arm.c (move_or_literal_pool): Remove code generating MOVS.
+	Forbid MOV.W and MOVW if destination is SP or PC.
+
+2016-08-29  Adhemerval Zanella  <adhemerval.zanella@linaro.com>
+
+	Backport from mainline:
+	2016-08-05  Nick Clifton  <nickc@redhat.com>
+
+	PR gas/20364
+	* config/tc-aarch64.c (s_ltorg): Change the mapping state after
+	aligning the frag.
+	(aarch64_init): Treat rs_align frags in code sections as
+	containing code, not data.
+	* testsuite/gas/aarch64/pr20364.s: New test.
+	* testsuite/gas/aarch64/pr20364.d: New test driver.
+
diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index ddc40f2..74933cb 100644
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -1736,13 +1736,13 @@
       if (pool == NULL || pool->symbol == NULL || pool->next_free_entry == 0)
 	continue;
 
-      mapping_state (MAP_DATA);
-
       /* Align pool as you have word accesses.
          Only make a frag if we have to.  */
       if (!need_pass_2)
 	frag_align (align, 0, 0);
 
+      mapping_state (MAP_DATA);
+
       record_alignment (now_seg, align);
 
       sprintf (sym_name, "$$lit_\002%x", pool->id);
@@ -6373,11 +6373,15 @@
 
   switch (fragP->fr_type)
     {
-    case rs_align:
     case rs_align_test:
     case rs_fill:
       mapping_state_2 (MAP_DATA, max_chars);
       break;
+    case rs_align:
+      /* PR 20364: We can get alignment frags in code sections,
+	 so do not just assume that we should use the MAP_DATA state.  */
+      mapping_state_2 (subseg_text_p (now_seg) ? MAP_INSN : MAP_DATA, max_chars);
+      break;
     case rs_align_code:
       mapping_state_2 (MAP_INSN, max_chars);
       break;
diff --git a/gas/config/tc-arm.c b/gas/config/tc-arm.c
index 4fa0bfc..b5fad80 100644
--- a/gas/config/tc-arm.c
+++ b/gas/config/tc-arm.c
@@ -7930,17 +7930,13 @@
 	{
 	  if (thumb_p)
 	    {
-	      /* This can be encoded only for a low register.  */
-	      if ((v & ~0xFF) == 0 && (inst.operands[i].reg < 8))
-		{
-		  /* This can be done with a mov(1) instruction.  */
-		  inst.instruction = T_OPCODE_MOV_I8 | (inst.operands[i].reg << 8);
-		  inst.instruction |= v;
-		  return TRUE;
-		}
+	      /* LDR should not use lead in a flag-setting instruction being
+		 chosen so we do not check whether movs can be used.  */
 
-	      if (ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v6t2)
+	      if ((ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v6t2)
 		  || ARM_CPU_HAS_FEATURE (cpu_variant, arm_ext_v6t2_v8m))
+		  && inst.operands[i].reg != 13
+		  && inst.operands[i].reg != 15)
 		{
 		  /* Check if on thumb2 it can be done with a mov.w, mvn or
 		     movw instruction.  */
diff --git a/gas/testsuite/ChangeLog.linaro b/gas/testsuite/ChangeLog.linaro
new file mode 100644
index 0000000..b36ff7b
--- /dev/null
+++ b/gas/testsuite/ChangeLog.linaro
@@ -0,0 +1,11 @@
+2017-06-14  Christophe Lyon  <christophe.lyon@linaro.org>
+
+	Backport from mainline:
+	2017-04-24  Thomas Preud'homme  <thomas.preudhomme@arm.com>
+
+	* testsuite/gas/arm/thumb2_ldr_immediate_highregs_armv6t2.s: Explain
+	expectation of LDR not generating a MOVS for low registers and small
+	constants.  Add tests of MOVW generation.
+	* testsuite/gas/arm/thumb2_ldr_immediate_highregs_armv6t2.d: Update
+	expected disassembly.
+
diff --git a/gas/testsuite/gas/aarch64/pr20364.d b/gas/testsuite/gas/aarch64/pr20364.d
new file mode 100644
index 0000000..babcff1
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/pr20364.d
@@ -0,0 +1,13 @@
+# Check that ".align <size>, <fill>" does not set the mapping state to DATA, causing unnecessary frag generation.
+#name: PR20364 
+#objdump: -d
+
+.*:     file format .*
+
+Disassembly of section \.vectors:
+
+0+000 <.*>:
+   0:	d2800000 	mov	x0, #0x0                   	// #0
+   4:	94000000 	bl	0 <plat_report_exception>
+   8:	17fffffe 	b	0 <bl1_exceptions>
+
diff --git a/gas/testsuite/gas/aarch64/pr20364.s b/gas/testsuite/gas/aarch64/pr20364.s
new file mode 100644
index 0000000..594ad7c
--- /dev/null
+++ b/gas/testsuite/gas/aarch64/pr20364.s
@@ -0,0 +1,28 @@
+ .macro vector_base label
+ .section .vectors, "ax"
+ .align 11, 0
+ \label:
+ .endm
+
+ .macro vector_entry label
+ .section .vectors, "ax"
+ .align 7, 0
+ \label:
+ .endm
+
+ .macro check_vector_size since
+   .if (. - \since) > (32 * 4)
+     .error "Vector exceeds 32 instructions"
+   .endif
+ .endm
+
+ .globl bl1_exceptions
+
+vector_base bl1_exceptions
+
+vector_entry SynchronousExceptionSP0
+ mov x0, #0x0
+ bl plat_report_exception
+ b SynchronousExceptionSP0
+ check_vector_size SynchronousExceptionSP0
+
diff --git a/gas/testsuite/gas/arm/thumb2_ldr_immediate_highregs_armv6t2.d b/gas/testsuite/gas/arm/thumb2_ldr_immediate_highregs_armv6t2.d
index 55b5f17..7afc135 100644
--- a/gas/testsuite/gas/arm/thumb2_ldr_immediate_highregs_armv6t2.d
+++ b/gas/testsuite/gas/arm/thumb2_ldr_immediate_highregs_armv6t2.d
@@ -6,19 +6,23 @@
 .*: +file format .*arm.*
 
 Disassembly of section \.text:
-0[0-9a-f]+ <[^>]+> 2000[[:space:]]+movs[[:space:]]+r0, #0.*
-0[0-9a-f]+ <[^>]+> 2108[[:space:]]+movs[[:space:]]+r1, #8.*
-0[0-9a-f]+ <[^>]+> 2251[[:space:]]+movs[[:space:]]+r2, #81.*
-0[0-9a-f]+ <[^>]+> 231f[[:space:]]+movs[[:space:]]+r3, #31.*
-0[0-9a-f]+ <[^>]+> 242f[[:space:]]+movs[[:space:]]+r4, #47.*
-0[0-9a-f]+ <[^>]+> 253f[[:space:]]+movs[[:space:]]+r5, #63.*
-0[0-9a-f]+ <[^>]+> 2680[[:space:]]+movs[[:space:]]+r6, #128.*
-0[0-9a-f]+ <[^>]+> 27ff[[:space:]]+movs[[:space:]]+r7, #255.*
+0[0-9a-f]+ <[^>]+> f04f 0000[[:space:]]+mov\.w[[:space:]]+r0, #0.*
+0[0-9a-f]+ <[^>]+> f04f 0108[[:space:]]+mov\.w[[:space:]]+r1, #8.*
+0[0-9a-f]+ <[^>]+> f04f 0251[[:space:]]+mov\.w[[:space:]]+r2, #81.*
+0[0-9a-f]+ <[^>]+> f04f 031f[[:space:]]+mov\.w[[:space:]]+r3, #31.*
+0[0-9a-f]+ <[^>]+> f04f 042f[[:space:]]+mov\.w[[:space:]]+r4, #47.*
+0[0-9a-f]+ <[^>]+> f04f 053f[[:space:]]+mov\.w[[:space:]]+r5, #63.*
+0[0-9a-f]+ <[^>]+> f04f 0680[[:space:]]+mov\.w[[:space:]]+r6, #128.*
+0[0-9a-f]+ <[^>]+> f04f 07ff[[:space:]]+mov\.w[[:space:]]+r7, #255.*
 0[0-9a-f]+ <[^>]+> f04f 0800[[:space:]]+mov\.w[[:space:]]+r8, #0.*
 0[0-9a-f]+ <[^>]+> f04f 0908[[:space:]]+mov\.w[[:space:]]+r9, #8.*
 0[0-9a-f]+ <[^>]+> f04f 0a51[[:space:]]+mov\.w[[:space:]]+sl, #81.*
 0[0-9a-f]+ <[^>]+> f04f 0b1f[[:space:]]+mov\.w[[:space:]]+fp, #31.*
 0[0-9a-f]+ <[^>]+> f04f 0c2f[[:space:]]+mov\.w[[:space:]]+ip, #47.*
-0[0-9a-f]+ <[^>]+> f04f 0d3f[[:space:]]+mov\.w[[:space:]]+sp, #63.*
 0[0-9a-f]+ <[^>]+> f04f 0e80[[:space:]]+mov\.w[[:space:]]+lr, #128.*
-0[0-9a-f]+ <[^>]+> f04f 0fff[[:space:]]+mov\.w[[:space:]]+pc, #255.*
+0[0-9a-f]+ <[^>]+> f64f 78ff[[:space:]]+movw[[:space:]]+r8, #65535.*
+0[0-9a-f]+ <[^>]+> f24f 09f0[[:space:]]+movw[[:space:]]+r9, #61680.*
+0[0-9a-f]+ <[^>]+> f8df d004[[:space:]]+ldr\.w[[:space:]]+sp, \[pc, #4\].*
+0[0-9a-f]+ <[^>]+> f8df f004[[:space:]]+ldr\.w[[:space:]]+pc, \[pc, #4\].*
+0[0-9a-f]+ <[^>]+> 0000003f[[:space:]]+.word[[:space:]]+0x0000003f.*
+0[0-9a-f]+ <[^>]+> 000000ff[[:space:]]+.word[[:space:]]+0x000000ff.*
diff --git a/gas/testsuite/gas/arm/thumb2_ldr_immediate_highregs_armv6t2.s b/gas/testsuite/gas/arm/thumb2_ldr_immediate_highregs_armv6t2.s
index d225410..b473857 100644
--- a/gas/testsuite/gas/arm/thumb2_ldr_immediate_highregs_armv6t2.s
+++ b/gas/testsuite/gas/arm/thumb2_ldr_immediate_highregs_armv6t2.s
@@ -2,8 +2,8 @@
 	.syntax unified
 	.thumb_func
 thumb2_ldr:
-	# These can be encoded into movs since constant is small
-	# And register can be encoded in 3 bits
+	# These must be encoded into mov.w despite constant and register being
+	# small enough as ldr should not generate a flag-setting instruction.
 	ldr r0,=0x00
 	ldr r1,=0x08
 	ldr r2,=0x51
@@ -12,13 +12,19 @@
 	ldr r5,=0x3F
 	ldr r6,=0x80
 	ldr r7,=0xFF
-	# These shall be encoded into mov.w
-	# Since register cannot be encoded in 3 bits
+	# These shall be encoded into mov.w since register cannot be encoded in
+	# 3 bits
 	ldr r8,=0x00
 	ldr r9,=0x08
 	ldr r10,=0x51
 	ldr r11,=0x1F
 	ldr r12,=0x2F
-	ldr r13,=0x3F
 	ldr r14,=0x80
+	# These shall be encoded into movw since immediate cannot be encoded
+	# with mov.w
+	ldr r8,=0xFFFF
+	ldr r9,=0xF0F0
+	# These should be encoded as ldr since mov immediate is unpredictable
+	# for sp and pc
+	ldr r13,=0x3F
 	ldr r15,=0xFF
diff --git a/ld/ChangeLog.linaro b/ld/ChangeLog.linaro
new file mode 100644
index 0000000..65f006d
--- /dev/null
+++ b/ld/ChangeLog.linaro
@@ -0,0 +1,11 @@
+2017-04-27  Adhemerval Zanella  <adhemerval.zanella@linaro.org>
+
+	Backport from mainline:
+	2017-04-21  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/19617
+	PR ld/21086
+	* testsuite/ld-elf/pr19617a.d: Pass --no-dynamic-linker to ld.
+	* testsuite/ld-elf/pr19617b.d: Likewise.
+	* testsuite/ld-elf/pr19617c.d: Likewise.
+	*testsuite/ld-i386/pr19636-4d.d: Likewise.
diff --git a/ld/testsuite/ld-elf/pr19617a.d b/ld/testsuite/ld-elf/pr19617a.d
index 784aacb..132021f 100644
--- a/ld/testsuite/ld-elf/pr19617a.d
+++ b/ld/testsuite/ld-elf/pr19617a.d
@@ -1,5 +1,5 @@
 #source: pr19617.s
-#ld: -E
+#ld: -E --no-dynamic-linker
 #readelf : --dyn-syms --wide
 #target: *-*-linux* *-*-gnu* *-*-solaris*
 
diff --git a/ld/testsuite/ld-elf/pr19617b.d b/ld/testsuite/ld-elf/pr19617b.d
index e1dcb71..4d1886f 100644
--- a/ld/testsuite/ld-elf/pr19617b.d
+++ b/ld/testsuite/ld-elf/pr19617b.d
@@ -1,5 +1,5 @@
 #source: pr19617.s
-#ld: --dynamic-list-data
+#ld: --dynamic-list-data --no-dynamic-linker
 #readelf : --dyn-syms --wide
 #target: *-*-linux* *-*-gnu* *-*-solaris*
 
diff --git a/ld/testsuite/ld-elf/pr19617c.d b/ld/testsuite/ld-elf/pr19617c.d
index 00e2e7e..9ac8fc1 100644
--- a/ld/testsuite/ld-elf/pr19617c.d
+++ b/ld/testsuite/ld-elf/pr19617c.d
@@ -1,5 +1,5 @@
 #source: pr19617.s
-#ld: --dynamic-list-data
+#ld: --dynamic-list-data --no-dynamic-linker
 #readelf : --dyn-syms --wide
 #target: *-*-linux* *-*-gnu* *-*-solaris*
 
diff --git a/ld/testsuite/ld-elf/pr21086.c b/ld/testsuite/ld-elf/pr21086.c
new file mode 100644
index 0000000..8fb892c
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr21086.c
@@ -0,0 +1,8 @@
+#include <stdio.h>
+
+int
+main ()
+{
+  printf ("PASS\n");
+  return 0;
+}
diff --git a/ld/testsuite/ld-elf/pr21086.list b/ld/testsuite/ld-elf/pr21086.list
new file mode 100644
index 0000000..a4e712f
--- /dev/null
+++ b/ld/testsuite/ld-elf/pr21086.list
@@ -0,0 +1,3 @@
+{
+  main;
+};
diff --git a/ld/testsuite/ld-i386/pr19636-4d.d b/ld/testsuite/ld-i386/pr19636-4d.d
index a9487f0..e3db609 100644
--- a/ld/testsuite/ld-i386/pr19636-4d.d
+++ b/ld/testsuite/ld-i386/pr19636-4d.d
@@ -1,6 +1,6 @@
 #source: pr19636-4.s
 #as: --32
-#ld: -E --defsym foobar=0x100 -m elf_i386
+#ld: -E --defsym foobar=0x100 -m elf_i386 --no-dynamic-linker
 #readelf : --dyn-syms --wide
 
 Symbol table '\.dynsym' contains [0-9]+ entries: