[LD][AARCH64]Add TLSDESC support for large memory model.
authorRenlin Li <renlin.li@arm.com>
Fri, 2 Oct 2015 16:43:08 +0000 (17:43 +0100)
committerRenlin Li <renlin.li@arm.com>
Fri, 2 Oct 2015 16:56:09 +0000 (17:56 +0100)
bfd/

2015-10-02  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/

2015-10-02  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.

bfd/ChangeLog
bfd/elfnn-aarch64.c
bfd/elfxx-aarch64.c
ld/testsuite/ChangeLog
ld/testsuite/ld-aarch64/aarch64-elf.exp
ld/testsuite/ld-aarch64/tls-large-desc.d [new file with mode: 0644]
ld/testsuite/ld-aarch64/tls-large-desc.s [new file with mode: 0644]
ld/testsuite/ld-aarch64/tls-relax-large-desc-ie.d [new file with mode: 0644]
ld/testsuite/ld-aarch64/tls-relax-large-desc-ie.s [new file with mode: 0644]
ld/testsuite/ld-aarch64/tls-relax-large-desc-le.d [new file with mode: 0644]
ld/testsuite/ld-aarch64/tls-relax-large-desc-le.s [new file with mode: 0644]

index 87aae5e471677b3dec6e7ed2ce77a6d384f2112f..aef8fe36aa858b52c6c7d00e12c74dfb7ea12dde 100644 (file)
@@ -1,3 +1,18 @@
+2015-10-02  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.
+
 2015-10-02  Renlin Li  <renlin.li@arm.com>
 
        * elfnn-aarch64.c (elfNN_aarch64_howto_table): Check overflow for
index 18ca46f36ac7f21288e44e1d1bba14c6f9e33917..aa22c3e7e7b3bfab505cd1f230759441ff6eecb3 100644 (file)
    || IS_AARCH64_TLSDESC_RELOC ((R_TYPE)))
 
 #define IS_AARCH64_TLS_RELAX_RELOC(R_TYPE)                     \
-  ((R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_ADD_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_LDR                        \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC          \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_OFF_G1             \
+   || (R_TYPE) == BFD_RELOC_AARCH64_TLSDESC_LDR                        \
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADR_PAGE21           \
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADR_PREL21           \
    || (R_TYPE) == BFD_RELOC_AARCH64_TLSGD_ADD_LO12_NC          \
@@ -4432,6 +4437,21 @@ 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
@@ -4452,6 +4472,7 @@ 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.  */
@@ -4507,6 +4528,7 @@ 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:
@@ -4514,6 +4536,9 @@ 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:
@@ -5137,7 +5162,9 @@ 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;
 
@@ -5538,13 +5565,11 @@ 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;
@@ -5558,6 +5583,24 @@ 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;
     }
@@ -5817,6 +5860,7 @@ 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:
@@ -5826,6 +5870,55 @@ 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
@@ -6240,6 +6333,8 @@ 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;
@@ -6623,6 +6718,8 @@ 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:
@@ -7100,6 +7197,8 @@ 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:
index 47e19779e11652f21ca7303a84f780c56d68f066..7e4236cbcef370d271c283e2052e0e3a6bff82a7 100644 (file)
@@ -333,6 +333,8 @@ _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:
@@ -424,6 +426,8 @@ _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_HI12:
index a95de8c4201aad01a2c6931f8d577767bfd4432c..43b688f2d991d8c1a69b51b548daf9bdf3f25363 100644 (file)
@@ -1,3 +1,13 @@
+2015-10-02  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.
+
 2015-10-02  Renlin Li  <renlin.li@arm.com>
 
        * ld-aarch64/aarch64-elf.exp: run new test
index f51de9c2068889d1a78521c746f136a46c16d185..5c55dc7de8dca2b93676a12b7607b25a45871004 100644 (file)
@@ -183,6 +183,8 @@ 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-relax-ld-le-small"
@@ -200,6 +202,7 @@ 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 (file)
index 0000000..0d309f1
--- /dev/null
@@ -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 (file)
index 0000000..424f67c
--- /dev/null
@@ -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 (file)
index 0000000..64abbcd
--- /dev/null
@@ -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 (file)
index 0000000..a4d1e00
--- /dev/null
@@ -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 (file)
index 0000000..9cd0b31
--- /dev/null
@@ -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 (file)
index 0000000..ff27c4e
--- /dev/null
@@ -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_ - .