* bfd/elf32-arm.c (elf32_arm_merge_eabi_attributes): Add support for

	merging Tag_DIV_use, Tag_MPextension_use, and
	Tag_MPextension_use_legacy tags.
	* binutils/readelf.c (arm_attr_tag_Advanced_SIMD_arch): Add
	description of newly permitted attribute values.
	(arm_attr_tag_Virtualization_use): Likewise.
	(arm_attr_tag_DIV_use): Add description of new attribute.
	(arm_attr_tag_MPextension_use_legacy): Likewise.
	* gas/config/tc-arm.c (arm_convert_symbolic_attribute):
	Add Tag_DIV_use.
	* gas/doc/c-arm.texi: Likewise.
	* gas/testsuite/gas/arm/attr-order.d: Fix test for new names for
	attribute values.
	* include/elf/arm.h (Tag_MPextension_use): Renumber.
	(Tag_DIV_use): Add.
	(Tag_MPextension_use_legacy): Likewise.
	* ld/testsuite/ld-arm/attr-merge-3.attr: Fix test for new attribute
	values.
	* ld/testsuite/ld-arm/attr-merge-3b.s: Likewise.
	* ld/testsuite/ld-arm/attr-merge-unknown-1.d: Fix test now that 42
	is a recognised attribute ID.
	* ld/testsuite/ld-arm/attr-merge-unknown-1.s: Likewise.
	* ld/testsuite/ld-arm/attr-merge-6.attr: New test.
	* ld/testsuite/ld-arm/attr-merge-6a.s: Likewise.
	* ld/testsuite/ld-arm/attr-merge-6b.s: Likewise.
	* ld/testsuite/ld-arm/attr-merge-7.attr: Likewise.
	* ld/testsuite/ld-arm/attr-merge-7a.s: Likewise.
	* ld/testsuite/ld-arm/attr-merge-7b.s: Likewise.
	* ld/testsuite/ld-arm/arm-elf.exp: Run the new tests.

10 files changed, 38 insertions, 5 deletions

diff --git a/ld/testsuite/ld-arm/arm-elf.exp b/ld/testsuite/ld-arm/arm-elf.exp
index a207a79..ed9cb74 100644
--- a/ld/testsuite/ld-arm/arm-elf.exp
+++ b/ld/testsuite/ld-arm/arm-elf.exp
@@ -296,6 +296,15 @@ set armeabitests {
      {"EABI attribute merging 5" "-r" "" {attr-merge-5.s attr-merge-5.s}
       {{readelf -A attr-merge-5.attr}}
       "attr-merge-5"}
+     {"EABI attribute merging 6" "-r" "" {attr-merge-6a.s attr-merge-6b.s}
+      {{readelf -A attr-merge-6.attr}}
+      "attr-merge-6"}
+     {"EABI attribute merging 6 reversed" "-r" "" {attr-merge-6b.s attr-merge-6a.s}
+      {{readelf -A attr-merge-6.attr}}
+      "attr-merge-6r"}
+     {"EABI attribute merging 7" "-r" "" {attr-merge-7a.s attr-merge-7b.s}
+      {{readelf -A attr-merge-7.attr}}
+      "attr-merge-7"}
      {"EABI attribute arch merging 1" "-r" "" {arch-v6k.s arch-v6t2.s}
       {{readelf -A attr-merge-arch-1.attr}}
       "attr-merge-arch-1"}
diff --git a/ld/testsuite/ld-arm/attr-merge-3.attr b/ld/testsuite/ld-arm/attr-merge-3.attr
index e4e06e1..b865181 100644
--- a/ld/testsuite/ld-arm/attr-merge-3.attr
+++ b/ld/testsuite/ld-arm/attr-merge-3.attr
@@ -26,6 +26,6 @@ File Attributes
   Tag_ABI_VFP_args: VFP registers
   Tag_CPU_unaligned_access: v6
   Tag_VFP_HP_extension: Allowed
-  Tag_T2EE_use: Allowed
-  Tag_Virtualization_use: Allowed
   Tag_MPextension_use: Allowed
+  Tag_T2EE_use: Allowed
+  Tag_Virtualization_use: TrustZone
diff --git a/ld/testsuite/ld-arm/attr-merge-3b.s b/ld/testsuite/ld-arm/attr-merge-3b.s
index b858482..73d6590 100644
--- a/ld/testsuite/ld-arm/attr-merge-3b.s
+++ b/ld/testsuite/ld-arm/attr-merge-3b.s
@@ -33,6 +33,6 @@
 	.eabi_attribute Tag_nodefaults, 1
 	@ .eabi_attribute Tag_also_compatible_with,
 	.eabi_attribute Tag_T2EE_use, 1
-	.eabi_attribute Tag_conformance, "2.07"
+	.eabi_attribute Tag_conformance, "2.08"
 	.eabi_attribute Tag_Virtualization_use, 1
 	.eabi_attribute Tag_MPextension_use, 1
diff --git a/ld/testsuite/ld-arm/attr-merge-6a.s b/ld/testsuite/ld-arm/attr-merge-6a.s
new file mode 100644
index 0000000..056d8c8
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-6a.s
@@ -0,0 +1,4 @@
+	.cpu cortex-a9
+	.fpu softvfp
+	.eabi_attribute 70, 1
+	.file	"attr-merge-6a.s"
diff --git a/ld/testsuite/ld-arm/attr-merge-6b.s b/ld/testsuite/ld-arm/attr-merge-6b.s
new file mode 100644
index 0000000..b9ef4d2
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-6b.s
@@ -0,0 +1,3 @@
+	.cpu cortex-a9
+	.fpu softvfp
+	.file	"attr-merge-6b.s"
diff --git a/ld/testsuite/ld-arm/attr-merge-7.attr b/ld/testsuite/ld-arm/attr-merge-7.attr
new file mode 100644
index 0000000..e996c93
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-7.attr
@@ -0,0 +1,9 @@
+Attribute Section: aeabi
+File Attributes
+  Tag_CPU_name: "CORTEX-A9"
+  Tag_CPU_arch: v7
+  Tag_CPU_arch_profile: Application
+  Tag_ARM_ISA_use: Yes
+  Tag_THUMB_ISA_use: Thumb-2
+  Tag_MPextension_use: Allowed
+
diff --git a/ld/testsuite/ld-arm/attr-merge-7a.s b/ld/testsuite/ld-arm/attr-merge-7a.s
new file mode 100644
index 0000000..d875d28
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-7a.s
@@ -0,0 +1,4 @@
+	.cpu cortex-a9
+	.fpu softvfp
+	.eabi_attribute 70, 1
+	.file	"attr-merge-7a.s"
diff --git a/ld/testsuite/ld-arm/attr-merge-7b.s b/ld/testsuite/ld-arm/attr-merge-7b.s
new file mode 100644
index 0000000..2e83e71
--- /dev/null
+++ b/ld/testsuite/ld-arm/attr-merge-7b.s
@@ -0,0 +1,4 @@
+	.cpu cortex-a9
+	.fpu softvfp
+	.eabi_attribute Tag_MPextension_use, 1
+	.file	"attr-merge-7b.s"
diff --git a/ld/testsuite/ld-arm/attr-merge-unknown-1.d b/ld/testsuite/ld-arm/attr-merge-unknown-1.d
index 395d2b6..38acff9 100644
--- a/ld/testsuite/ld-arm/attr-merge-unknown-1.d
+++ b/ld/testsuite/ld-arm/attr-merge-unknown-1.d
@@ -2,4 +2,4 @@
 #source: blank.s
 #as:
 #ld:
-#error: Unknown mandatory EABI object attribute 42
+#error: Unknown mandatory EABI object attribute 40
diff --git a/ld/testsuite/ld-arm/attr-merge-unknown-1.s b/ld/testsuite/ld-arm/attr-merge-unknown-1.s
index 298c673..d2cff1f 100644
--- a/ld/testsuite/ld-arm/attr-merge-unknown-1.s
+++ b/ld/testsuite/ld-arm/attr-merge-unknown-1.s
@@ -1,3 +1,3 @@
 	@ This attrubute is supposed to be unknown.
 	@ If this number should become known, change it.
-	.eabi_attribute  42, 1
+	.eabi_attribute  40, 1