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[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.
This commit is contained in:
Jiong Wang 2015-08-11 17:44:30 +01:00
parent 70151fb54a
commit 40fbed8481
13 changed files with 102 additions and 0 deletions
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10
bfd/ChangeLog
View File

@ -1,3 +1,13 @@
2015-08-11 Jiong Wang <jiong.wang@arm.com>
* 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.
2015-08-11 Jiong Wang <jiong.wang@arm.com>
* reloc.c (BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12): New entry.

8
bfd/elfnn-aarch64.c
View File

@ -174,6 +174,7 @@
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12 \
|| (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 \
@ -4174,6 +4175,7 @@ aarch64_reloc_got_type (bfd_reloc_code_real_type r_type)
case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19:
return GOT_TLS_IE;
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC:
@ -5078,6 +5080,12 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
*unresolved_reloc_p = FALSE;
break;
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value,
signed_addend - dtpoff_base (info),
weak_undef_p);
break;
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC:

2
bfd/elfxx-aarch64.c
View File

@ -249,6 +249,7 @@ _bfd_aarch64_elf_put_addend (bfd *abfd,
case BFD_RELOC_AARCH64_ADD_LO12:
case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
case BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
@ -398,6 +399,7 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
case BFD_RELOC_AARCH64_MOVW_G2_NC:
case BFD_RELOC_AARCH64_MOVW_G2_S:
case BFD_RELOC_AARCH64_MOVW_G3:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
value = value + addend;
break;

12
ld/testsuite/ChangeLog
View File

@ -1,3 +1,15 @@
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.

4
ld/testsuite/ld-aarch64/aarch64-elf.exp
View File

@ -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"

4
ld/testsuite/ld-aarch64/emit-relocs-529-overflow.d Normal file
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@ -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' .*

11
ld/testsuite/ld-aarch64/emit-relocs-529-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
add x20, x9, #:dtprel_lo12:v2

7
ld/testsuite/ld-aarch64/emit-relocs-529.d Normal file
View File

@ -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

10
ld/testsuite/ld-aarch64/emit-relocs-529.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
add x20, x9, #:dtprel_lo12:v2

5
ld/testsuite/ld-aarch64/emit-relocs-86-overflow.d Normal file
View File

@ -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' .*

11
ld/testsuite/ld-aarch64/emit-relocs-86-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
add w20, w9, #:dtprel_lo12:v2

8
ld/testsuite/ld-aarch64/emit-relocs-86.d Normal file
View File

@ -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

10
ld/testsuite/ld-aarch64/emit-relocs-86.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
add w20, w9, #:dtprel_lo12:v2