[AArch64][8/8] LD support BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12

2015-08-11  Jiong Wang  <jiong.wang@arm.com>

bfd/
  * elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize
  BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12.
  (aarch64_reloc_got_type): Likewise.
  (elfNN_aarch64_final_link_relocate): Likewise.
  (elfNN_aarch64_relocate_section): Likewise.
  * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise.
  (_bfd_aarch64_elf_resolve_relocation): Likewise.

ld/testsuite/
  * ld-aarch64/emit-relocs-529.s: New testcase.
  * ld-aarch64/emit-relocs-529-overflow.s: Likewise.
  * ld-aarch64/emit-relocs-86.s: Likewise.
  * ld-aarch64/emit-relocs-86-overflow.s: Likewise.
  * ld-aarch64/emit-relocs-529.d: New expectation file.
  * ld-aarch64/emit-relocs-529-overflow.d: Likewise.
  * ld-aarch64/emit-relocs-86.d: Likewise.
  * ld-aarch64/emit-relocs-86-overflow.d: Likewise.
  * ld-aarch64/aarch64-elf.exp: Run new testcases.

10 files changed, 82 insertions, 0 deletions

diff --git a/ld/testsuite/ChangeLog b/ld/testsuite/ChangeLog
index d618866..dae1cbb 100644
--- a/ld/testsuite/ChangeLog
+++ b/ld/testsuite/ChangeLog
@@ -1,5 +1,17 @@
 2015-08-11  Jiong Wang  <jiong.wang@arm.com>
 
+	* ld-aarch64/emit-relocs-529.s: New testcase.
+	* ld-aarch64/emit-relocs-529-overflow.s: Likewise.
+	* ld-aarch64/emit-relocs-86.s: Likewise.
+	* ld-aarch64/emit-relocs-86-overflow.s: Likewise.
+	* ld-aarch64/emit-relocs-529.d: New expectation file.
+	* ld-aarch64/emit-relocs-529-overflow.d: Likewise.
+	* ld-aarch64/emit-relocs-86.d: Likewise.
+	* ld-aarch64/emit-relocs-86-overflow.d: Likewise.
+	* ld-aarch64/aarch64-elf.exp: Run new testcases.
+
+2015-08-11  Jiong Wang  <jiong.wang@arm.com>
+
 	* ld-aarch64/tls-small-ld.s: Update testcase.
 
 2015-08-11  Jiong Wang  <jiong.wang@arm.com>
diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp
index 0c06610..c8a8aae 100644
--- a/ld/testsuite/ld-aarch64/aarch64-elf.exp
+++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp
@@ -59,6 +59,8 @@ run_dump_test "erratum843419"
 # Relocation Tests
 run_dump_test "weak-undefined"
 run_dump_test "emit-relocs-28"
+run_dump_test "emit-relocs-86"
+run_dump_test "emit-relocs-86-overflow"
 run_dump_test "emit-relocs-257"
 run_dump_test "emit-relocs-257-be"
 # 258 is tested in 257
@@ -109,6 +111,8 @@ run_dump_test "emit-relocs-309-low-bad"
 run_dump_test "emit-relocs-311"
 run_dump_test "emit-relocs-312"
 run_dump_test "emit-relocs-313"
+run_dump_test "emit-relocs-529"
+run_dump_test "emit-relocs-529-overflow"
 
 # test addend correctness when --emit-relocs specified for non-relocatable obj.
 run_dump_test "emit-relocs-local-addend"
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-529-overflow.d b/ld/testsuite/ld-aarch64/emit-relocs-529-overflow.d
new file mode 100644
index 0000000..6635905
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-529-overflow.d
@@ -0,0 +1,4 @@
+#source: emit-relocs-529-overflow.s
+#ld: -T relocs.ld -e0 --emit-relocs
+#objdump: -dr
+#error: .*\(.text\+0x\d+\): relocation truncated to fit: R_AARCH64_TLSLD_ADD_DTPREL_LO12 against symbol `v2' .*
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-529-overflow.s b/ld/testsuite/ld-aarch64/emit-relocs-529-overflow.s
new file mode 100644
index 0000000..deddcbf
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-529-overflow.s
@@ -0,0 +1,11 @@
+	.global	v1
+	.size	v1, 4096
+	.global	v2
+	.section	.tdata,"awT",%progbits
+v1:
+	.zero	4096
+v2:
+	.word	0xcafecafe
+
+	.text
+	add	x20, x9, #:dtprel_lo12:v2
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-529.d b/ld/testsuite/ld-aarch64/emit-relocs-529.d
new file mode 100644
index 0000000..e2286e5
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-529.d
@@ -0,0 +1,7 @@
+#source: emit-relocs-529.s
+#ld: -T relocs.ld -e0 --emit-relocs
+#objdump: -dr
+#...
+0000000000010000 <.text>:
+   10000:	91001134 	add	x20, x9, #0x4
+			10000: R_AARCH64_TLSLD_ADD_DTPREL_LO12	v2
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-529.s b/ld/testsuite/ld-aarch64/emit-relocs-529.s
new file mode 100644
index 0000000..ec84f57
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-529.s
@@ -0,0 +1,10 @@
+	.global	v1
+	.global	v2
+	.section	.tdata,"awT",%progbits
+v1:
+	.word	0xdeaddead
+v2:
+	.word	0xcafecafe
+
+	.text
+	add	x20, x9, #:dtprel_lo12:v2
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-86-overflow.d b/ld/testsuite/ld-aarch64/emit-relocs-86-overflow.d
new file mode 100644
index 0000000..fb727b3
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-86-overflow.d
@@ -0,0 +1,5 @@
+#source: emit-relocs-86-overflow.s
+#as: -mabi=ilp32
+#ld: -m aarch64linux32 -e0 --emit-relocs
+#objdump: -dr
+#error: .*\(.text\+0x\d+\): relocation truncated to fit: R_AARCH64_P32_TLSLD_ADD_DTPREL_LO12 against symbol `v2' .*
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-86-overflow.s b/ld/testsuite/ld-aarch64/emit-relocs-86-overflow.s
new file mode 100644
index 0000000..945a66c
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-86-overflow.s
@@ -0,0 +1,11 @@
+	.global	v1
+	.size	v1, 4096
+	.global	v2
+	.section	.tdata,"awT",%progbits
+v1:
+	.zero	4096
+v2:
+	.word	0xcafecafe
+
+	.text
+	add	w20, w9, #:dtprel_lo12:v2
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-86.d b/ld/testsuite/ld-aarch64/emit-relocs-86.d
new file mode 100644
index 0000000..c0f5aca
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-86.d
@@ -0,0 +1,8 @@
+#source: emit-relocs-86.s
+#as: -mabi=ilp32
+#ld: -m aarch64linux32 -e0 --emit-relocs
+#objdump: -dr
+#...
+00400094 <.text>:
+  400094:	11001134 	add	w20, w9, #0x4
+			400094: R_AARCH64_P32_TLSLD_ADD_DTPREL_LO12	v2
diff --git a/ld/testsuite/ld-aarch64/emit-relocs-86.s b/ld/testsuite/ld-aarch64/emit-relocs-86.s
new file mode 100644
index 0000000..d56d864
--- /dev/null
+++ b/ld/testsuite/ld-aarch64/emit-relocs-86.s
@@ -0,0 +1,10 @@
+	.global	v1
+	.global	v2
+	.section	.tdata,"awT",%progbits
+v1:
+	.word	0xdeaddead
+v2:
+	.word	0xcafecafe
+
+	.text
+	add	w20, w9, #:dtprel_lo12:v2