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[15/16][binutils][AARCH64]Add relocation support for large memory model. [LD]Add TLSDESC support.
- From: Renlin Li <renlin dot li at arm dot com>
- To: "binutils at sourceware dot org" <binutils at sourceware dot org>
- Cc: Nicholas Clifton <nickc at redhat dot com>, Marcus Shawcroft <Marcus dot Shawcroft at arm dot com>, Jiong Wang <jiong dot wang at arm dot com>
- Date: Tue, 15 Sep 2015 14:44:28 +0100
- Subject: [15/16][binutils][AARCH64]Add relocation support for large memory model. [LD]Add TLSDESC support.
- Authentication-results: sourceware.org; auth=none
Hi all,
This patch adds the missing TLSDESC support for large memory model.
Basically, the following four relocation symbols are supported.
AARCH64_TLSDESC_OFF_G1
AARCH64_TLSDESC_OFF_G0_NC
AARCH64_TLSDESC_ADD
AARCH64_TLSDESC_LDR
Those four symbols are already defined, but not supported. This patch
add the LD support. A testcase is also provided.
Binutils regression test Okay. Okay to commit?
bfd/ChangeLog:
2015-09-15 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/ChangeLog:
2015-09-15 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.
diff --git a/bfd/elfnn-aarch64.c b/bfd/elfnn-aarch64.c
index f660108..dac75aa 100644
--- a/bfd/elfnn-aarch64.c
+++ b/bfd/elfnn-aarch64.c
@@ -202,12 +202,16 @@
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSIE_LDNN_GOTTPREL_LO12_NC \
+ || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_ADD \
+ || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21 \
+ || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_CALL \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_LD_PREL19 \
|| (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_LDNN_LO12_NC \
- || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_CALL \
- || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC)
+ || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_LDR \
+ || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC \
+ || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_OFF_G1)
#define IS_AARCH64_TLSDESC_RELOC(R_TYPE) \
((R_TYPE) == BFD_RELOC_AARCH64_TLSDESC \
@@ -4189,6 +4193,21 @@ aarch64_tls_transition_without_check (bfd_reloc_code_real_type r_type,
? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1
: BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19);
+ case BFD_RELOC_AARCH64_TLSDESC_LDR:
+ return (is_local
+ ? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0_NC
+ : BFD_RELOC_AARCH64_NONE);
+
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+ return (is_local
+ ? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1_NC
+ : BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC);
+
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
+ return (is_local
+ ? BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2
+ : BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1);
+
case BFD_RELOC_AARCH64_TLSDESC_LDNN_LO12_NC:
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
return (is_local
@@ -4209,6 +4228,7 @@ aarch64_tls_transition_without_check (bfd_reloc_code_real_type r_type,
? BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_HI12
: BFD_RELOC_AARCH64_TLSIE_LD_GOTTPREL_PREL19);
+ case BFD_RELOC_AARCH64_TLSDESC_ADD:
case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_CALL:
/* Instructions with these relocations will become NOPs. */
@@ -4259,6 +4279,7 @@ aarch64_reloc_got_type (bfd_reloc_code_real_type r_type)
case BFD_RELOC_AARCH64_TLSLD_ADR_PREL21:
return GOT_TLS_GD;
+ case BFD_RELOC_AARCH64_TLSDESC_ADD:
case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21:
@@ -4266,6 +4287,9 @@ aarch64_reloc_got_type (bfd_reloc_code_real_type r_type)
case BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
+ case BFD_RELOC_AARCH64_TLSDESC_LDR:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
return GOT_TLSDESC_GD;
case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
@@ -4889,7 +4913,9 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
switch (bfd_r_type)
{
case BFD_RELOC_AARCH64_NONE:
+ case BFD_RELOC_AARCH64_TLSDESC_ADD:
case BFD_RELOC_AARCH64_TLSDESC_CALL:
+ case BFD_RELOC_AARCH64_TLSDESC_LDR:
*unresolved_reloc_p = FALSE;
return bfd_reloc_ok;
@@ -5275,13 +5301,11 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
*unresolved_reloc_p = FALSE;
break;
- case BFD_RELOC_AARCH64_TLSDESC_ADD:
case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21:
case BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC:
- case BFD_RELOC_AARCH64_TLSDESC_LDR:
case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
if (globals->root.sgot == NULL)
return bfd_reloc_notsupported;
@@ -5295,6 +5319,24 @@ elfNN_aarch64_final_link_relocate (reloc_howto_type *howto,
*unresolved_reloc_p = FALSE;
break;
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
+ if (globals->root.sgot == NULL)
+ return bfd_reloc_notsupported;
+
+ value = (symbol_tlsdesc_got_offset (input_bfd, h, r_symndx)
+ + globals->root.sgotplt->output_section->vma
+ + globals->root.sgotplt->output_offset
+ + globals->sgotplt_jump_table_size);
+
+ value -= (globals->root.sgot->output_section->vma
+ + globals->root.sgot->output_offset);
+
+ value = _bfd_aarch64_elf_resolve_relocation (bfd_r_type, place, value,
+ 0, weak_undef_p);
+ *unresolved_reloc_p = FALSE;
+ break;
+
default:
return bfd_reloc_notsupported;
}
@@ -5554,6 +5596,7 @@ elfNN_aarch64_tls_relax (struct elf_aarch64_link_hash_table *globals,
return bfd_reloc_continue;
}
+ case BFD_RELOC_AARCH64_TLSDESC_ADD:
case BFD_RELOC_AARCH64_TLSDESC_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_CALL:
/* GD->IE/LE relaxation:
@@ -5563,6 +5606,55 @@ elfNN_aarch64_tls_relax (struct elf_aarch64_link_hash_table *globals,
bfd_putl32 (INSN_NOP, contents + rel->r_offset);
return bfd_reloc_ok;
+ case BFD_RELOC_AARCH64_TLSDESC_LDR:
+ if (is_local)
+ {
+ /* GD->LE relaxation:
+ ldr xd, [gp, xn] => movk x0, #:tprel_g0_nc:var
+ */
+ bfd_putl32 (0xf2800000, contents + rel->r_offset);
+ return bfd_reloc_continue;
+ }
+ else
+ {
+ /* GD->IE relaxation:
+ ldr xd, [gp, xn] => ldr x0, [gp, xn]
+ */
+ insn = bfd_getl32 (contents + rel->r_offset);
+ insn &= 0xffffffe0;
+ bfd_putl32 (insn, contents + rel->r_offset);
+ return bfd_reloc_ok;
+ }
+
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+ /* GD->LE relaxation:
+ movk xd, #:tlsdesc_off_g0_nc:var => movk x0, #:tprel_g1_nc:var, lsl #16
+ GD->IE relaxation:
+ movk xd, #:tlsdesc_off_g0_nc:var => movk xd, #:gottprel_g0_nc:var
+ */
+ if (is_local)
+ bfd_putl32 (0xf2a00000, contents + rel->r_offset);
+ return bfd_reloc_continue;
+
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
+ if (is_local)
+ {
+ /* GD->LE relaxation:
+ movz xd, #:tlsdesc_off_g1:var => movz x0, #:tprel_g2:var, lsl #32
+ */
+ bfd_putl32 (0xd2c00000, contents + rel->r_offset);
+ return bfd_reloc_continue;
+ }
+ else
+ {
+ /* GD->IE relaxation:
+ movz xd, #:tlsdesc_off_g1:var => movz xd, #:gottprel_g1:var, lsl #16
+ */
+ insn = bfd_getl32 (contents + rel->r_offset);
+ bfd_putl32 (0xd2a00000 | (insn & 0x1f), contents + rel->r_offset);
+ return bfd_reloc_continue;
+ }
+
case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
/* IE->LE relaxation:
adrp xd, :gottprel:var => movz xd, :tprel_g1:var
@@ -5932,6 +6024,8 @@ elfNN_aarch64_relocate_section (bfd *output_bfd,
case BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21:
case BFD_RELOC_AARCH64_TLSDESC_LDNN_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
if (! symbol_tlsdesc_got_offset_mark_p (input_bfd, h, r_symndx))
{
bfd_boolean need_relocs = FALSE;
@@ -6315,6 +6409,8 @@ elfNN_aarch64_gc_sweep_hook (bfd *abfd,
case BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
@@ -6792,6 +6888,8 @@ elfNN_aarch64_check_relocs (bfd *abfd, struct bfd_link_info *info,
case BFD_RELOC_AARCH64_TLSDESC_LD32_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_LD64_LO12_NC:
case BFD_RELOC_AARCH64_TLSDESC_LD_PREL19:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
case BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC:
case BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21:
case BFD_RELOC_AARCH64_TLSGD_ADR_PREL21:
diff --git a/bfd/elfxx-aarch64.c b/bfd/elfxx-aarch64.c
index 083880a..6bcbabc 100644
--- a/bfd/elfxx-aarch64.c
+++ b/bfd/elfxx-aarch64.c
@@ -320,6 +320,8 @@ _bfd_aarch64_elf_put_addend (bfd *abfd,
case BFD_RELOC_AARCH64_MOVW_G3:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC:
@@ -409,6 +411,8 @@ _bfd_aarch64_elf_resolve_relocation (bfd_reloc_code_real_type r_type,
case BFD_RELOC_AARCH64_MOVW_G3:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+ case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
case BFD_RELOC_AARCH64_TLSLD_ADD_DTPREL_LO12:
diff --git a/ld/testsuite/ld-aarch64/aarch64-elf.exp b/ld/testsuite/ld-aarch64/aarch64-elf.exp
index 985540b..940a55b 100644
--- a/ld/testsuite/ld-aarch64/aarch64-elf.exp
+++ b/ld/testsuite/ld-aarch64/aarch64-elf.exp
@@ -155,6 +155,8 @@ 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-desc-ie"
@@ -170,6 +172,7 @@ 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_ - .