x86: Properly merge -z ibt and -z shstk

Merge -z ibt and -z shstk only with GNU_PROPERTY_X86_FEATURE_1_AND, not
any GNU_PROPERTY_X86_UINT32_AND_XXX properties.

bfd/

	PR ld/26711
	* elfxx-x86.c (_bfd_x86_elf_merge_gnu_properties): Merge -z ibt
	and -z shstk only with GNU_PROPERTY_X86_FEATURE_1_AND.

ld/

	PR ld/26711
	* testsuite/ld-i386/i386.exp: Run ld/26711 tests.
	* testsuite/ld-x86-64/x86-64.exp: Likewise.
	* testsuite/ld-i386/pr26711-1.d: Likewise.
	* testsuite/ld-i386/pr26711-2.d: Likewise.
	* testsuite/ld-i386/pr26711-3.d: Likewise.
	* testsuite/ld-x86-64/pr26711-1-x32.d: Likewise.
	* testsuite/ld-x86-64/pr26711-1.d: Likewise.
	* testsuite/ld-x86-64/pr26711-2-x32.d: Likewise.
	* testsuite/ld-x86-64/pr26711-2.d: Likewise.
	* testsuite/ld-x86-64/pr26711-3-x32.d: Likewise.
	* testsuite/ld-x86-64/pr26711-3.d: Likewise.
	* testsuite/ld-x86-64/pr26711.s: Likewise.

13 files changed, 148 insertions, 0 deletions

diff --git a/ld/ChangeLog b/ld/ChangeLog
index 62937a1b904..17c0d971670 100644
--- a/ld/ChangeLog
+++ b/ld/ChangeLog
@@ -1,3 +1,19 @@
+2020-10-06  H.J. Lu  <hongjiu.lu@intel.com>
+
+	PR ld/26711
+	* testsuite/ld-i386/i386.exp: Run ld/26711 tests.
+	* testsuite/ld-x86-64/x86-64.exp: Likewise.
+	* testsuite/ld-i386/pr26711-1.d: Likewise.
+	* testsuite/ld-i386/pr26711-2.d: Likewise.
+	* testsuite/ld-i386/pr26711-3.d: Likewise.
+	* testsuite/ld-x86-64/pr26711-1-x32.d: Likewise.
+	* testsuite/ld-x86-64/pr26711-1.d: Likewise.
+	* testsuite/ld-x86-64/pr26711-2-x32.d: Likewise.
+	* testsuite/ld-x86-64/pr26711-2.d: Likewise.
+	* testsuite/ld-x86-64/pr26711-3-x32.d: Likewise.
+	* testsuite/ld-x86-64/pr26711-3.d: Likewise.
+	* testsuite/ld-x86-64/pr26711.s: Likewise.
+
 2020-10-06  Brandon Bergren  <bdragon@FreeBSD.org>
 
 	* Makefile.am (ALL_64_EMULATION_SOURCES): Add eelf64lppc_fbsd.c.
diff --git a/ld/testsuite/ld-i386/i386.exp b/ld/testsuite/ld-i386/i386.exp
index d0b8ed77bd1..cd7b4deebde 100644
--- a/ld/testsuite/ld-i386/i386.exp
+++ b/ld/testsuite/ld-i386/i386.exp
@@ -472,6 +472,9 @@ run_dump_test "pr24322b"
 run_dump_test "align-branch-1"
 run_dump_test "pr26018"
 run_dump_test "pr26263"
+run_dump_test "pr26711-1"
+run_dump_test "pr26711-2"
+run_dump_test "pr26711-3"
 
 if { !([istarget "i?86-*-linux*"]
        || [istarget "i?86-*-gnu*"]
diff --git a/ld/testsuite/ld-i386/pr26711-1.d b/ld/testsuite/ld-i386/pr26711-1.d
new file mode 100644
index 00000000000..24a8429fbca
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr26711-1.d
@@ -0,0 +1,10 @@
+#source: ../ld-x86-64/pr26711.s
+#source: ../ld-x86-64/start.s
+#as: --32 -mx86-used-note=no
+#ld: -m elf_i386 -z ibt
+#readelf: -n
+
+Displaying notes found in: .note.gnu.property
+[ 	]+Owner[ 	]+Data size[ 	]+Description
+  GNU                  0x[0-9a-f]+	NT_GNU_PROPERTY_TYPE_0
+      Properties: x86 feature: IBT
diff --git a/ld/testsuite/ld-i386/pr26711-2.d b/ld/testsuite/ld-i386/pr26711-2.d
new file mode 100644
index 00000000000..e92559fa70f
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr26711-2.d
@@ -0,0 +1,10 @@
+#source: ../ld-x86-64/pr26711.s
+#source: ../ld-x86-64/start.s
+#as: --32 -mx86-used-note=no
+#ld: -m elf_i386 -z shstk
+#readelf: -n
+
+Displaying notes found in: .note.gnu.property
+[ 	]+Owner[ 	]+Data size[ 	]+Description
+  GNU                  0x[0-9a-f]+	NT_GNU_PROPERTY_TYPE_0
+      Properties: x86 feature: SHSTK
diff --git a/ld/testsuite/ld-i386/pr26711-3.d b/ld/testsuite/ld-i386/pr26711-3.d
new file mode 100644
index 00000000000..df9bfced540
--- /dev/null
+++ b/ld/testsuite/ld-i386/pr26711-3.d
@@ -0,0 +1,10 @@
+#source: ../ld-x86-64/pr26711.s
+#source: ../ld-x86-64/start.s
+#as: --32 -mx86-used-note=no
+#ld: -m elf_i386 -z ibt -z shstk
+#readelf: -n
+
+Displaying notes found in: .note.gnu.property
+[ 	]+Owner[ 	]+Data size[ 	]+Description
+  GNU                  0x[0-9a-f]+	NT_GNU_PROPERTY_TYPE_0
+      Properties: x86 feature: IBT, SHSTK
diff --git a/ld/testsuite/ld-x86-64/pr26711-1-x32.d b/ld/testsuite/ld-x86-64/pr26711-1-x32.d
new file mode 100644
index 00000000000..67013195b2e
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr26711-1-x32.d
@@ -0,0 +1,10 @@
+#source: pr26711.s
+#source: start.s
+#as: --x32 -mx86-used-note=no
+#ld: -m elf32_x86_64 -z ibt
+#readelf: -n
+
+Displaying notes found in: .note.gnu.property
+[ 	]+Owner[ 	]+Data size[ 	]+Description
+  GNU                  0x[0-9a-f]+	NT_GNU_PROPERTY_TYPE_0
+      Properties: x86 feature: IBT
diff --git a/ld/testsuite/ld-x86-64/pr26711-1.d b/ld/testsuite/ld-x86-64/pr26711-1.d
new file mode 100644
index 00000000000..d8e3cbf19ba
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr26711-1.d
@@ -0,0 +1,10 @@
+#source: pr26711.s
+#source: start.s
+#as: --64 -defsym __64_bit__=1 -mx86-used-note=no
+#ld: -m elf_x86_64 -z ibt
+#readelf: -n
+
+Displaying notes found in: .note.gnu.property
+[ 	]+Owner[ 	]+Data size[ 	]+Description
+  GNU                  0x[0-9a-f]+	NT_GNU_PROPERTY_TYPE_0
+      Properties: x86 feature: IBT
diff --git a/ld/testsuite/ld-x86-64/pr26711-2-x32.d b/ld/testsuite/ld-x86-64/pr26711-2-x32.d
new file mode 100644
index 00000000000..9822f8df4dc
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr26711-2-x32.d
@@ -0,0 +1,10 @@
+#source: pr26711.s
+#source: start.s
+#as: --x32 -mx86-used-note=no
+#ld: -m elf32_x86_64 -z shstk
+#readelf: -n
+
+Displaying notes found in: .note.gnu.property
+[ 	]+Owner[ 	]+Data size[ 	]+Description
+  GNU                  0x[0-9a-f]+	NT_GNU_PROPERTY_TYPE_0
+      Properties: x86 feature: SHSTK
diff --git a/ld/testsuite/ld-x86-64/pr26711-2.d b/ld/testsuite/ld-x86-64/pr26711-2.d
new file mode 100644
index 00000000000..e24cfbfc0b0
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr26711-2.d
@@ -0,0 +1,10 @@
+#source: pr26711.s
+#source: start.s
+#as: --64 -defsym __64_bit__=1 -mx86-used-note=no
+#ld: -m elf_x86_64 -z shstk
+#readelf: -n
+
+Displaying notes found in: .note.gnu.property
+[ 	]+Owner[ 	]+Data size[ 	]+Description
+  GNU                  0x[0-9a-f]+	NT_GNU_PROPERTY_TYPE_0
+      Properties: x86 feature: SHSTK
diff --git a/ld/testsuite/ld-x86-64/pr26711-3-x32.d b/ld/testsuite/ld-x86-64/pr26711-3-x32.d
new file mode 100644
index 00000000000..0661c7d5236
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr26711-3-x32.d
@@ -0,0 +1,10 @@
+#source: pr26711.s
+#source: start.s
+#as: --x32 -mx86-used-note=no
+#ld: -m elf32_x86_64 -z ibt -z shstk
+#readelf: -n
+
+Displaying notes found in: .note.gnu.property
+[ 	]+Owner[ 	]+Data size[ 	]+Description
+  GNU                  0x[0-9a-f]+	NT_GNU_PROPERTY_TYPE_0
+      Properties: x86 feature: IBT, SHSTK
diff --git a/ld/testsuite/ld-x86-64/pr26711-3.d b/ld/testsuite/ld-x86-64/pr26711-3.d
new file mode 100644
index 00000000000..87bc3ccfb05
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr26711-3.d
@@ -0,0 +1,10 @@
+#source: pr26711.s
+#source: start.s
+#as: --64 -defsym __64_bit__=1 -mx86-used-note=no
+#ld: -m elf_x86_64 -z ibt -z shstk
+#readelf: -n
+
+Displaying notes found in: .note.gnu.property
+[ 	]+Owner[ 	]+Data size[ 	]+Description
+  GNU                  0x[0-9a-f]+	NT_GNU_PROPERTY_TYPE_0
+      Properties: x86 feature: IBT, SHSTK
diff --git a/ld/testsuite/ld-x86-64/pr26711.s b/ld/testsuite/ld-x86-64/pr26711.s
new file mode 100644
index 00000000000..8fa185d42a7
--- /dev/null
+++ b/ld/testsuite/ld-x86-64/pr26711.s
@@ -0,0 +1,33 @@
+	.section ".note.gnu.property", "a"
+.ifdef __64_bit__
+	.p2align 3
+.else
+	.p2align 2
+.endif
+	.long 1f - 0f		/* name length */
+	.long 5f - 2f		/* data length */
+	.long 5			/* note type */
+0:	.asciz "GNU"		/* vendor name */
+1:
+.ifdef __64_bit__
+	.p2align 3
+.else
+	.p2align 2
+.endif
+2:	.long 0xc0001002	/* pr_type.  */
+	.long 4f - 3f		/* pr_datasz.  */
+3:
+	.long 0x30
+4:
+.ifdef __64_bit__
+	.p2align 3
+.else
+	.p2align 2
+.endif
+5:
+
+	.text
+	.globl	foo
+	.type	foo, @function
+foo:
+	ret
diff --git a/ld/testsuite/ld-x86-64/x86-64.exp b/ld/testsuite/ld-x86-64/x86-64.exp
index 2c2551fd62e..59cad54a799 100644
--- a/ld/testsuite/ld-x86-64/x86-64.exp
+++ b/ld/testsuite/ld-x86-64/x86-64.exp
@@ -432,6 +432,12 @@ run_dump_test "pr25416-3"
 run_dump_test "pr25416-4"
 run_dump_test "pr26018"
 run_dump_test "pr26263"
+run_dump_test "pr26711-1"
+run_dump_test "pr26711-1-x32"
+run_dump_test "pr26711-2"
+run_dump_test "pr26711-2-x32"
+run_dump_test "pr26711-3"
+run_dump_test "pr26711-3-x32"
 
 if ![istarget "x86_64-*-linux*"] {
     return