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[AArch64][6/8] LD support BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC
- From: Jiong Wang <jiong dot wang at arm dot com>
- To: "binutils\ at sourceware dot org" <binutils at sourceware dot org>
- Date: Fri, 24 Jul 2015 16:57:02 +0100
- Subject: [AArch64][6/8] LD support BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC
- Authentication-results: sourceware.org; auth=none
2015-07-24 Jiong Wang <jiong.wang@arm.com>
bfd/
* elfnn-aarch64.c (IS_AARCH64_TLS_RELOC): Recognize
BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC.
(aarch64_reloc_got_type): Likewise.
(elfNN_aarch64_final_link_relocate): 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/
* ld-aarch64/tls-small-ld.s: Update testcase.
--
Regards,
Jiong
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index afc4a80..5a1cde1 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -174,6 +174,7 @@
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19 \
+ || (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_TLSLE_ADD_TPREL_LO12 \
@@ -4122,6 +4123,7 @@ aarch64_reloc_got_type (bfd_reloc_code_real_type r_type)
case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
/* LD share the same GOT entry layout with GD.
The only difference is module index should be initialized into zero. */
+ case BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
return GOT_TLS_GD;
@@ -5030,6 +5032,7 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19:
+ case BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
if (globals->root.sgot == NULL)
@@ -5516,6 +5519,7 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
+ case BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
if (! symbol_got_offset_mark_p (input_bfd, h, r_symndx))
@@ -5554,7 +5558,8 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
elfNN_aarch64_bfd_reloc_from_type (r_type);
if (real_type == BFD_RELOC_AARCH64_TLSLD_ADR_PREL21
- || real_type == BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21)
+ || real_type == BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21
+ || real_type == BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC)
{
/* For local dynamic, don't generate DTPREL in any case.
Initialize the DTPREL slot into zero, so we get module
@@ -6058,6 +6063,7 @@ elfNN_aarch64_gc_sweep_hook (bfd *abfd,
case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19:
+ case BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
@@ -6536,6 +6542,7 @@ elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info,
case BFD_RELOC_AARCH64_TLSIE_LD32_GOTTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD64_GOTTPREL_LO12_NC:
case BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19:
+ case BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12:
diff --git a/bfd/elfxx-aarch64.c b/bfd/elfxx-aarch64.c
index a51dd7b..75bc253 100644
--- a/bfd/elfxx-aarch64.c
+++ b/bfd/elfxx-aarch64.c
@@ -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_LO12_NC:
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:
@@ -441,6 +442,7 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
case BFD_RELOC_AARCH64_TLSGD_ADD_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_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC:
value = PG_OFFSET (value + addend);
diff --git a/ld/testsuite/ld-aarch64/tls-small-ld.s b/ld/testsuite/ld-aarch64/tls-small-ld.s
index 0a8b6b9..1a560fc 100644
--- a/ld/testsuite/ld-aarch64/tls-small-ld.s
+++ b/ld/testsuite/ld-aarch64/tls-small-ld.s
@@ -2,6 +2,7 @@
.text
func:
- add x1, x2, x3
+ // BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC
+ add x1, x2, #:tlsldm_lo12:dummy
// BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21
adrp x0, :tlsldm:dummy