[LD][AARCH64]Add TLSDESC support for large memory model.

bfd/

2015-10-02  Renlin Li <renlin.li@arm.com>

	* elfnn-aarch64.c (aarch64_tls_transition_without_check):  Add
	relax transitions for TLSDESC_ADD, TLSDESC_LDR, TLSDESC_OFF_G0_NC,
	TLSDESC_OFF_G1.
	(aarch64_tls_transition_without_check): Add relaxation support.
	(aarch64_reloc_got_type): Add support.
	(elfNN_aarch64_final_link_relocate): Likewise.
	(elfNN_aarch64_tls_relax): Likewise.
	(elfNN_aarch64_relocate_section): Likewise.
	(elfNN_aarch64_gc_sweep_hook): Likewise.
	(elfNN_aarch64_check_relocs): Likewise.
	* elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise.
	(_bfd_aarch64_elf_resolve_relocation): Likewise.

ld/testsuite/

2015-10-02  Renlin Li <renlin.li@arm.com>

	* ld-aarch64/aarch64-elf.exp: Run new test.
	* ld-aarch64/tls-large-desc.d: New.
	* ld-aarch64/tls-large-desc.s: New.
	* ld-aarch64/tls-relax-large-desc-ie.d: New.
	* ld-aarch64/tls-relax-large-desc-ie.s: New.
	* ld-aarch64/tls-relax-large-desc-le.d: New.
	* ld-aarch64/tls-relax-large-desc-le.s: New.

8 files changed, 145 insertions, 0 deletions

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index a95de8c..43b688f 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,5 +1,15 @@
 2015-10-02  Renlin Li  <renlin.li@arm.com>
 
+	* ld-aarch64/aarch64-elf.exp: Run new test.
+	* ld-aarch64/tls-large-desc.d: New.
+	* ld-aarch64/tls-large-desc.s: New.
+	* ld-aarch64/tls-relax-large-desc-ie.d: New.
+	* ld-aarch64/tls-relax-large-desc-ie.s: New.
+	* ld-aarch64/tls-relax-large-desc-le.d: New.
+	* ld-aarch64/tls-relax-large-desc-le.s: New.
+
+2015-10-02  Renlin Li  <renlin.li@arm.com>
+
 	* ld-aarch64/aarch64-elf.exp: run new test
 	* ld-aarch64/tls-relax-large-gd-ie.d: New.
 	* ld-aarch64/tls-relax-large-gd-ie.s: New.
diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp
index f51de9c..5c55dc7 100644
--- a/ld/testsuite/ld-aarch64/aarch64-elf.exp
+++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp
@@ -183,6 +183,8 @@ run_dump_test "tls-relax-gdesc-le"
 run_dump_test "tls-relax-gd-ie"
 run_dump_test "tls-relax-large-gd-ie"
 run_dump_test "tls-relax-large-gd-le"
+run_dump_test "tls-relax-large-desc-ie"
+run_dump_test "tls-relax-large-desc-le"
 run_dump_test "tls-relax-gdesc-ie"
 run_dump_test "tls-relax-ie-le"
 run_dump_test "tls-relax-ld-le-small"
@@ -200,6 +202,7 @@ run_dump_test "tls-tiny-desc-ie"
 run_dump_test "tls-tiny-desc-le"
 run_dump_test "tls-tiny-ie"
 run_dump_test "tls-large-ie"
+run_dump_test "tls-large-desc"
 run_dump_test "tls-tiny-ld"
 run_dump_test "tls-small-ld"
 run_dump_test "tlsle"
diff --git a/ld/testsuite/ld-aarch64/tls-large-desc.d b/ld/testsuite/ld-aarch64/tls-large-desc.d
new file mode 100644
index 0000000..0d309f1
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/tls-large-desc.d
@@ -0,0 +1,38 @@
+#source: tls-large-desc.s
+#ld: -shared -T relocs.ld -e0
+#objdump: -dr
+#...
+
+Disassembly of section .text:
+
+0000000000010000 \<test\>:
+  +10000:	58000101 	ldr	x1, 10020 \<test\+0x20\>
+  +10004:	100000e2 	adr	x2, 10020 \<test\+0x20\>
+  +10008:	8b020032 	add	x18, x1, x2
+  +1000c:	d2a00000 	movz	x0, #0x0, lsl #16
+  +10010:	f2800500 	movk	x0, #0x28
+  +10014:	f8606a41 	ldr	x1, \[x18,x0\]
+  +10018:	8b000240 	add	x0, x18, x0
+  +1001c:	d63f0020 	blr	x1
+  +10020:	0000ffe0 	.word	0x0000ffe0
+  +10024:	00000000 	.word	0x00000000
+
+Disassembly of section .plt:
+
+0000000000010028 <.plt>:
+  +10028:	a9bf7bf0 	stp	x16, x30, \[sp,#-16\]!
+  +1002c:	90000090 	adrp	x16, 20000 \<_GLOBAL_OFFSET_TABLE_\>
+  +10030:	f9401211 	ldr	x17, \[x16,#32\]
+  +10034:	91008210 	add	x16, x16, #0x20
+  +10038:	d61f0220 	br	x17
+  +1003c:	d503201f 	nop
+  +10040:	d503201f 	nop
+  +10044:	d503201f 	nop
+  +10048:	a9bf0fe2 	stp	x2, x3, \[sp,#-16\]!
+  +1004c:	90000082 	adrp	x2, 20000 \<_GLOBAL_OFFSET_TABLE_\>
+  +10050:	90000083 	adrp	x3, 20000 \<_GLOBAL_OFFSET_TABLE_\>
+  +10054:	f9400442 	ldr	x2, \[x2,#8\]
+  +10058:	91004063 	add	x3, x3, #0x10
+  +1005c:	d61f0040 	br	x2
+  +10060:	d503201f 	nop
+  +10064:	d503201f 	nop
diff --git a/ld/testsuite/ld-aarch64/tls-large-desc.s b/ld/testsuite/ld-aarch64/tls-large-desc.s
new file mode 100644
index 0000000..424f67c
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/tls-large-desc.s
@@ -0,0 +1,17 @@
+	.global var
+	.text
+test:
+	ldr x1, .Lgot
+	adr x2, .Lgot
+	add x18, x1, x2
+
+	movz x0, #:tlsdesc_off_g1:var
+	movk x0, #:tlsdesc_off_g0_nc:var
+	.tlsdescldr var
+	ldr x1, [x18, x0]
+	.tlsdescadd var
+	add x0, x18, x0
+	.tlsdesccall var
+	blr x1
+
+.Lgot: .xword _GLOBAL_OFFSET_TABLE_ - .
diff --git a/ld/testsuite/ld-aarch64/tls-relax-large-desc-ie.d b/ld/testsuite/ld-aarch64/tls-relax-large-desc-ie.d
new file mode 100644
index 0000000..64abbcd
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/tls-relax-large-desc-ie.d
@@ -0,0 +1,18 @@
+#source: tls-relax-large-desc-ie.s
+#ld: -T relocs.ld -e0
+#objdump: -dr
+#...
+
+Disassembly of section .text:
+
+0000000000010000 <test>:
+  +10000:	58000101 	ldr	x1, 10020 \<test\+0x20\>
+  +10004:	100000e2 	adr	x2, 10020 \<test\+0x20\>
+  +10008:	8b020032 	add	x18, x1, x2
+  +1000c:	d2a00000 	movz	x0, #0x0, lsl #16
+  +10010:	f2800100 	movk	x0, #0x8
+  +10014:	f8606a40 	ldr	x0, \[x18,x0\]
+  +10018:	d503201f 	nop
+  +1001c:	d503201f 	nop
+  +10020:	0000ffe0 	.word	0x0000ffe0
+  +10024:	00000000 	.word	0x00000000
diff --git a/ld/testsuite/ld-aarch64/tls-relax-large-desc-ie.s b/ld/testsuite/ld-aarch64/tls-relax-large-desc-ie.s
new file mode 100644
index 0000000..a4d1e00
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/tls-relax-large-desc-ie.s
@@ -0,0 +1,21 @@
+	.global var
+	.section	.tdata,"awT",%progbits
+var:
+	.word 2
+
+	.text
+test:
+	ldr x1, .Lgot
+	adr x2, .Lgot
+	add x18, x1, x2
+
+	movz x0, #:tlsdesc_off_g1:var
+	movk x0, #:tlsdesc_off_g0_nc:var
+	.tlsdescldr var
+	ldr x1, [x18, x0]
+	.tlsdescadd var
+	add x0, x18, x0
+	.tlsdesccall var
+	blr x1
+
+.Lgot: .xword _GLOBAL_OFFSET_TABLE_ - .
diff --git a/ld/testsuite/ld-aarch64/tls-relax-large-desc-le.d b/ld/testsuite/ld-aarch64/tls-relax-large-desc-le.d
new file mode 100644
index 0000000..9cd0b31
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/tls-relax-large-desc-le.d
@@ -0,0 +1,18 @@
+#source: tls-relax-large-desc-le.s
+#ld: -T relocs.ld -e0
+#objdump: -dr
+#...
+
+Disassembly of section .text:
+
+0000000000010000 <test>:
+  +10000:	58000101 	ldr	x1, 10020 \<test\+0x20\>
+  +10004:	100000e2 	adr	x2, 10020 \<test\+0x20\>
+  +10008:	8b020032 	add	x18, x1, x2
+  +1000c:	d2c00000 	movz	x0, #0x0, lsl #32
+  +10010:	f2a00000 	movk	x0, #0x0, lsl #16
+  +10014:	f2800200 	movk	x0, #0x10
+  +10018:	d503201f 	nop
+  +1001c:	d503201f 	nop
+  +10020:	0000ffe0 	.word	0x0000ffe0
+  +10024:	00000000 	.word	0x00000000
diff --git a/ld/testsuite/ld-aarch64/tls-relax-large-desc-le.s b/ld/testsuite/ld-aarch64/tls-relax-large-desc-le.s
new file mode 100644
index 0000000..ff27c4e
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/tls-relax-large-desc-le.s
@@ -0,0 +1,20 @@
+	.section	.tdata
+var:
+	.word	2
+
+	.text
+test:
+	ldr x1, .Lgot
+	adr x2, .Lgot
+	add x18, x1, x2
+
+	movz x0, #:tlsdesc_off_g1:var
+	movk x0, #:tlsdesc_off_g0_nc:var
+	.tlsdescldr var
+	ldr x1, [x18, x0]
+	.tlsdescadd var
+	add x0, x18, x0
+	.tlsdesccall var
+	blr x1
+
+.Lgot: .xword _GLOBAL_OFFSET_TABLE_ - .