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[AArch64][6/6] LD support TLSLD load/store relocation types

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2015-08-19  Jiong Wang  <jiong.wang@arm.com>

bfd/
  * elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize new relocation
  types, including BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC,
  BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC,
  BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC,
  BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12,
  BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC.
  (elfNN_aarch64_final_link_relocate): Likewise.
  * elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise.
  (_bfd_aarch64_elf_resolve_relocation): Likewise.

ld/testsuite/
  * ld-aarch64/emit-relocs-531.s: New testcase.
  * ld-aarch64/emit-relocs-531-overflow.s: Likewise.
  * ld-aarch64/emit-relocs-532.s: Likewise.
  * ld-aarch64/emit-relocs-533.s: Likewise.
  * ld-aarch64/emit-relocs-533-overflow.s: Likewise.
  * ld-aarch64/emit-relocs-534.s: Likewise.
  * ld-aarch64/emit-relocs-535.s: Likewise.
  * ld-aarch64/emit-relocs-535-overflow.s: Likewise.
  * ld-aarch64/emit-relocs-536.s: Likewise.
  * ld-aarch64/emit-relocs-537.s: Likewise.
  * ld-aarch64/emit-relocs-537-overflow.s: Likewise.
  * ld-aarch64/emit-relocs-538.s: Likewise.
  * ld-aarch64/emit-relocs-531.d: New expectation file.
  * ld-aarch64/emit-relocs-531-overflow.d: Likewise.
  * ld-aarch64/emit-relocs-532.d: Likewise.
  * ld-aarch64/emit-relocs-533.d: Likewise.
  * ld-aarch64/emit-relocs-533-overflow.d: Likewise.
  * ld-aarch64/emit-relocs-534.d: Likewise.
  * ld-aarch64/emit-relocs-535.d: Likewise.
  * ld-aarch64/emit-relocs-535-overflow.d: Likewise.
  * ld-aarch64/emit-relocs-536.d: Likewise.
  * ld-aarch64/emit-relocs-537.d: Likewise.
  * ld-aarch64/emit-relocs-537-overflow.d: Likewise.
  * ld-aarch64/emit-relocs-538.d: Likewise.
  * ld-aarch64/aarch64-elf.exp: Run new testcases.
This commit is contained in:
Jiong Wang 2015-08-19 11:26:56 +01:00
parent 4c5625238c
commit 07c9aa07cd
29 changed files with 323 additions and 0 deletions
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15
bfd/ChangeLog
View File

@ -1,3 +1,18 @@
2015-08-19 Jiong Wang <jiong.wang@arm.com>
* elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize new relocation
types, including BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12,
BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC,
BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12,
BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC,
BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12,
BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC,
BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12,
BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC.
(elfNN_aarch64_final_link_relocate): Likewise.
* elfxx-aarch64.c (_bfd_aarch64_elf_put_addend): Likewise.
(_bfd_aarch64_elf_resolve_relocation): Likewise.
2015-08-19 Jiong Wang <jiong.wang@arm.com>
* reloc.c (BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12,

16
bfd/elfnn-aarch64.c
View File

@ -180,6 +180,14 @@
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_ADR_PREL21 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1 \
@ -5312,6 +5320,14 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_HI12:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1:

16
bfd/elfxx-aarch64.c
View File

@ -276,6 +276,14 @@ _bfd_aarch64_elf_put_addend (bfd *abfd,
case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC:
if (old_addend & ((1 << howto->rightshift) - 1))
return bfd_reloc_overflow;
/* Used for ldr*|str* rt, [rn, #uimm12] to provide the low order
@ -409,6 +417,14 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_HI12:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC:
case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1:

28
ld/testsuite/ChangeLog
View File

@ -1,3 +1,31 @@
2015-08-19 Jiong Wang <jiong.wang@arm.com>
* ld-aarch64/emit-relocs-531.s: New testcase.
* ld-aarch64/emit-relocs-531-overflow.s: Likewise.
* ld-aarch64/emit-relocs-532.s: Likewise.
* ld-aarch64/emit-relocs-533.s: Likewise.
* ld-aarch64/emit-relocs-533-overflow.s: Likewise.
* ld-aarch64/emit-relocs-534.s: Likewise.
* ld-aarch64/emit-relocs-535.s: Likewise.
* ld-aarch64/emit-relocs-535-overflow.s: Likewise.
* ld-aarch64/emit-relocs-536.s: Likewise.
* ld-aarch64/emit-relocs-537.s: Likewise.
* ld-aarch64/emit-relocs-537-overflow.s: Likewise.
* ld-aarch64/emit-relocs-538.s: Likewise.
* ld-aarch64/emit-relocs-531.d: New expectation file.
* ld-aarch64/emit-relocs-531-overflow.d: Likewise.
* ld-aarch64/emit-relocs-532.d: Likewise.
* ld-aarch64/emit-relocs-533.d: Likewise.
* ld-aarch64/emit-relocs-533-overflow.d: Likewise.
* ld-aarch64/emit-relocs-534.d: Likewise.
* ld-aarch64/emit-relocs-535.d: Likewise.
* ld-aarch64/emit-relocs-535-overflow.d: Likewise.
* ld-aarch64/emit-relocs-536.d: Likewise.
* ld-aarch64/emit-relocs-537.d: Likewise.
* ld-aarch64/emit-relocs-537-overflow.d: Likewise.
* ld-aarch64/emit-relocs-538.d: Likewise.
* ld-aarch64/aarch64-elf.exp: Run new testcases.
2015-08-19 Jiong Wang <jiong.wang@arm.com>
* ld-aarch64/emit-relocs-87.s: New testcase.

12
ld/testsuite/ld-aarch64/aarch64-elf.exp
View File

@ -136,6 +136,18 @@ run_dump_test "emit-relocs-528-overflow"
run_dump_test "emit-relocs-529"
run_dump_test "emit-relocs-529-overflow"
run_dump_test "emit-relocs-530"
run_dump_test "emit-relocs-531"
run_dump_test "emit-relocs-531-overflow"
run_dump_test "emit-relocs-532"
run_dump_test "emit-relocs-533"
run_dump_test "emit-relocs-533-overflow"
run_dump_test "emit-relocs-534"
run_dump_test "emit-relocs-535"
run_dump_test "emit-relocs-535-overflow"
run_dump_test "emit-relocs-536"
run_dump_test "emit-relocs-537"
run_dump_test "emit-relocs-537-overflow"
run_dump_test "emit-relocs-538"
# test addend correctness when --emit-relocs specified for non-relocatable obj.
run_dump_test "emit-relocs-local-addend"

4
ld/testsuite/ld-aarch64/emit-relocs-531-overflow.d Normal file
View File

@ -0,0 +1,4 @@
#source: emit-relocs-531-overflow.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#error: .*\(.text\+0x\d+\): relocation truncated to fit: R_AARCH64_TLSLD_LDST8_DTPREL_LO12 against symbol `v2' .*

11
ld/testsuite/ld-aarch64/emit-relocs-531-overflow.s Normal file
View File

@ -0,0 +1,11 @@
.global v1
.size v1, 4096
.global v2
.section .tdata,"awT",%progbits
v1:
.zero 4096
v2:
.word 0xcafecafe
.text
ldrsb x22, [x1, #:dtprel_lo12:v2]

7
ld/testsuite/ld-aarch64/emit-relocs-531.d Normal file
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@ -0,0 +1,7 @@
#source: emit-relocs-531.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#...
0000000000010000 <.text>:
10000: 39801115 ldrsb x21, \[x8,#4\]
10000: R_AARCH64_TLSLD_LDST8_DTPREL_LO12 v2

10
ld/testsuite/ld-aarch64/emit-relocs-531.s Normal file
View File

@ -0,0 +1,10 @@
.global v1
.global v2
.section .tdata,"awT",%progbits
v1:
.word 0xdeaddead
v2:
.word 0xcafecafe
.text
ldrsb x21, [x8, #:dtprel_lo12:v2]

9
ld/testsuite/ld-aarch64/emit-relocs-532.d Normal file
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@ -0,0 +1,9 @@
#source: emit-relocs-532.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#...
0000000000010000 <.text>:
10000: 3980109d ldrsb x29, \[x4,#4\]
10000: R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC v2
10004: 398020f2 ldrsb x18, \[x7,#8\]
10004: R_AARCH64_TLSLD_LDST8_DTPREL_LO12_NC v3

17
ld/testsuite/ld-aarch64/emit-relocs-532.s Normal file
View File

@ -0,0 +1,17 @@
.global v1
.global v2
.size v2, 4100
.global v3
.section .tdata,"awT",%progbits
v1:
.word 0xdeaddead
v2:
.zero 4100
v3:
.word 0xcafecafe
.text
ldrsb x29, [x4, #:dtprel_lo12_nc:v2]
# should not issue overflow error.
ldrsb x18, [x7, #:dtprel_lo12_nc:v3]

4
ld/testsuite/ld-aarch64/emit-relocs-533-overflow.d Normal file
View File

@ -0,0 +1,4 @@
#source: emit-relocs-533-overflow.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#error: .*\(.text\+0x\d+\): relocation truncated to fit: R_AARCH64_TLSLD_LDST16_DTPREL_LO12 against symbol `v2' .*

11
ld/testsuite/ld-aarch64/emit-relocs-533-overflow.s Normal file
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@ -0,0 +1,11 @@
.global v1
.size v1, 4096
.global v2
.section .tdata,"awT",%progbits
v1:
.zero 4096
v2:
.word 0xcafecafe
.text
ldrsh x2, [x17, #:dtprel_lo12:v2]

7
ld/testsuite/ld-aarch64/emit-relocs-533.d Normal file
View File

@ -0,0 +1,7 @@
#source: emit-relocs-533.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#...
0000000000010000 <.text>:
10000: 798008eb ldrsh x11, \[x7,#4\]
10000: R_AARCH64_TLSLD_LDST16_DTPREL_LO12 v2

10
ld/testsuite/ld-aarch64/emit-relocs-533.s Normal file
View File

@ -0,0 +1,10 @@
.global v1
.global v2
.section .tdata,"awT",%progbits
v1:
.word 0xdeaddead
v2:
.word 0xcafecafe
.text
ldrsh x11, [x7, #:dtprel_lo12:v2]

9
ld/testsuite/ld-aarch64/emit-relocs-534.d Normal file
View File

@ -0,0 +1,9 @@
#source: emit-relocs-534.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#...
0000000000010000 <.text>:
10000: 798009d6 ldrsh x22, \[x14,#4\]
10000: R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC v2
10004: 79a71a28 ldrsh x8, \[x17,#5004\]
10004: R_AARCH64_TLSLD_LDST16_DTPREL_LO12_NC v3

17
ld/testsuite/ld-aarch64/emit-relocs-534.s Normal file
View File

@ -0,0 +1,17 @@
.global v1
.global v2
.size v2, 5000
.global v3
.section .tdata,"awT",%progbits
v1:
.word 0xdeaddead
v2:
.zero 5000
v3:
.word 0xcafecafe
.text
ldrsh x22, [x14, #:dtprel_lo12_nc:v2]
# should not issue overflow error.
ldrsh x8, [x17, #:dtprel_lo12_nc:v3]

4
ld/testsuite/ld-aarch64/emit-relocs-535-overflow.d Normal file
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@ -0,0 +1,4 @@
#source: emit-relocs-535-overflow.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#error: .*\(.text\+0x\d+\): relocation truncated to fit: R_AARCH64_TLSLD_LDST32_DTPREL_LO12 against symbol `v2' .*

11
ld/testsuite/ld-aarch64/emit-relocs-535-overflow.s Normal file
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@ -0,0 +1,11 @@
.global v1
.size v1, 4096
.global v2
.section .tdata,"awT",%progbits
v1:
.zero 4096
v2:
.word 0xcafecafe
.text
ldrsw x2, [x17, #:dtprel_lo12:v2]

7
ld/testsuite/ld-aarch64/emit-relocs-535.d Normal file
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@ -0,0 +1,7 @@
#source: emit-relocs-535.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#...
0000000000010000 <.text>:
10000: b9800661 ldrsw x1, \[x19,#4\]
10000: R_AARCH64_TLSLD_LDST32_DTPREL_LO12 v2

10
ld/testsuite/ld-aarch64/emit-relocs-535.s Normal file
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@ -0,0 +1,10 @@
.global v1
.global v2
.section .tdata,"awT",%progbits
v1:
.word 0xdeaddead
v2:
.word 0xcafecafe
.text
ldrsw x1, [x19, #:dtprel_lo12:v2]

9
ld/testsuite/ld-aarch64/emit-relocs-536.d Normal file
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@ -0,0 +1,9 @@
#source: emit-relocs-536.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#...
0000000000010000 <.text>:
10000: b98005d6 ldrsw x22, \[x14,#4\]
10000: R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC v2
10004: b9800628 ldrsw x8, \[x17,#4\]
10004: R_AARCH64_TLSLD_LDST32_DTPREL_LO12_NC v3

17
ld/testsuite/ld-aarch64/emit-relocs-536.s Normal file
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@ -0,0 +1,17 @@
.global v1
.global v2
.size v2, 16384
.global v3
.section .tdata,"awT",%progbits
v1:
.word 0xdeaddead
v2:
.zero 16384
v3:
.word 0xcafecafe
.text
ldrsw x22, [x14, #:dtprel_lo12_nc:v2]
# should not issue overflow error.
ldrsw x8, [x17, #:dtprel_lo12_nc:v3]

4
ld/testsuite/ld-aarch64/emit-relocs-537-overflow.d Normal file
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@ -0,0 +1,4 @@
#source: emit-relocs-537-overflow.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#error: .*\(.text\+0x\d+\): relocation truncated to fit: R_AARCH64_TLSLD_LDST64_DTPREL_LO12 against symbol `v2' .*

11
ld/testsuite/ld-aarch64/emit-relocs-537-overflow.s Normal file
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@ -0,0 +1,11 @@
.global v1
.size v1, 4096
.global v2
.section .tdata,"awT",%progbits
v1:
.zero 4096
v2:
.word 0xcafecafe
.text
ldr x12, [x13, #:dtprel_lo12:v2]

7
ld/testsuite/ld-aarch64/emit-relocs-537.d Normal file
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@ -0,0 +1,7 @@
#source: emit-relocs-537.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#...
0000000000010000 <.text>:
10000: f9400520 ldr x0, \[x9,#8\]
10000: R_AARCH64_TLSLD_LDST64_DTPREL_LO12 v2

12
ld/testsuite/ld-aarch64/emit-relocs-537.s Normal file
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@ -0,0 +1,12 @@
.global v1
.global v2
.section .tdata,"awT",%progbits
v1:
.word 0xdeaddead
.word 0xdeaddead
v2:
.word 0xcafecafe
.word 0xcafecafe
.text
ldr x0, [x9, #:dtprel_lo12:v2]

9
ld/testsuite/ld-aarch64/emit-relocs-538.d Normal file
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@ -0,0 +1,9 @@
#source: emit-relocs-538.s
#ld: -T relocs.ld -e0 --emit-relocs
#objdump: -dr
#...
0000000000010000 <.text>:
10000: f9400482 ldr x2, \[x4,#8\]
10000: R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC v2
10004: f940062e ldr x14, \[x17,#8\]
10004: R_AARCH64_TLSLD_LDST64_DTPREL_LO12_NC v3

19
ld/testsuite/ld-aarch64/emit-relocs-538.s Normal file
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@ -0,0 +1,19 @@
.global v1
.global v2
.size v2, 32768
.global v3
.section .tdata,"awT",%progbits
v1:
.word 0xdeaddead
.word 0xdeaddead
v2:
.zero 32768
v3:
.word 0xcafecafe
.word 0xcafecafe
.text
ldr x2, [x4, #:dtprel_lo12_nc:v2]
# should not issue overflow error.
ldr x14, [x17, #:dtprel_lo12_nc:v3]