Add support for AArch64 CloudABI binaries.

[binutils.git] / gas / config / tc-aarch64.c

diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index 1b62b3996179653ecd84b59a79a166da31b451aa..2cc7b4bd26284726259f66e9df8f18f1a4c4efc5 100644 (file)
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -1892,6 +1892,21 @@ s_aarch64_inst (int ignored ATTRIBUTE_UNUSED)
 }
 
 #ifdef OBJ_ELF
+/* Emit BFD_RELOC_AARCH64_TLSDESC_ADD on the next ADD instruction.  */
+
+static void
+s_tlsdescadd (int ignored ATTRIBUTE_UNUSED)
+{
+  expressionS exp;
+
+  expression (&exp);
+  frag_grow (4);
+  fix_new_aarch64 (frag_now, frag_more (0) - frag_now->fr_literal, 4, &exp, 0,
+                  BFD_RELOC_AARCH64_TLSDESC_ADD);
+
+  demand_empty_rest_of_line ();
+}
+
 /* Emit BFD_RELOC_AARCH64_TLSDESC_CALL on the next BLR instruction.  */
 
 static void
@@ -1911,6 +1926,21 @@ s_tlsdesccall (int ignored ATTRIBUTE_UNUSED)
 
   demand_empty_rest_of_line ();
 }
+
+/* Emit BFD_RELOC_AARCH64_TLSDESC_LDR on the next LDR instruction.  */
+
+static void
+s_tlsdescldr (int ignored ATTRIBUTE_UNUSED)
+{
+  expressionS exp;
+
+  expression (&exp);
+  frag_grow (4);
+  fix_new_aarch64 (frag_now, frag_more (0) - frag_now->fr_literal, 4, &exp, 0,
+                  BFD_RELOC_AARCH64_TLSDESC_LDR);
+
+  demand_empty_rest_of_line ();
+}
 #endif /* OBJ_ELF */
 
 static void s_aarch64_arch (int);
@@ -1936,7 +1966,9 @@ const pseudo_typeS md_pseudo_table[] = {
   {"arch_extension", s_aarch64_arch_extension, 0},
   {"inst", s_aarch64_inst, 0},
 #ifdef OBJ_ELF
+  {"tlsdescadd", s_tlsdescadd, 0},
   {"tlsdesccall", s_tlsdesccall, 0},
+  {"tlsdescldr", s_tlsdescldr, 0},
   {"word", s_aarch64_elf_cons, 4},
   {"long", s_aarch64_elf_cons, 4},
   {"xword", s_aarch64_elf_cons, 8},
@@ -2482,6 +2514,24 @@ static struct reloc_table_entry reloc_table[] = {
    BFD_RELOC_AARCH64_LD64_GOTOFF_LO15,
    0},
 
+  /* Get to the page containing GOT TLS entry for a symbol */
+  {"gottprel_g0_nc", 0,
+   0,                          /* adr_type */
+   0,
+   BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC,
+   0,
+   0,
+   0},
+
+  /* Get to the page containing GOT TLS entry for a symbol */
+  {"gottprel_g1", 0,
+   0,                          /* adr_type */
+   0,
+   BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1,
+   0,
+   0,
+   0},
+
   /* Get to the page containing GOT TLS entry for a symbol */
   {"tlsgd", 0,
    BFD_RELOC_AARCH64_TLSGD_ADR_PREL21, /* adr_type */
@@ -2500,6 +2550,24 @@ static struct reloc_table_entry reloc_table[] = {
    0,
    0},
 
+  /* Lower 16 bits address/value: MOVk.  */
+  {"tlsgd_g0_nc", 0,
+   0,                          /* adr_type */
+   0,
+   BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC,
+   0,
+   0,
+   0},
+
+  /* Most significant bits 16-31 of address/value: MOVZ.  */
+  {"tlsgd_g1", 0,
+   0,                          /* adr_type */
+   0,
+   BFD_RELOC_AARCH64_TLSGD_MOVW_G1,
+   0,
+   0,
+   0},
+
   /* Get to the page containing GOT TLS entry for a symbol */
   {"tlsdesc", 0,
    BFD_RELOC_AARCH64_TLSDESC_ADR_PREL21, /* adr_type */
@@ -2612,6 +2680,24 @@ static struct reloc_table_entry reloc_table[] = {
    0,
    0},
 
+  /* Lower 16 bit offset into GOT entry for a symbol */
+  {"tlsdesc_off_g0_nc", 0,
+   0,                          /* adr_type */
+   0,
+   BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC,
+   0,
+   0,
+   0},
+
+  /* Higher 16 bit offset into GOT entry for a symbol */
+  {"tlsdesc_off_g1", 0,
+   0,                          /* adr_type */
+   0,
+   BFD_RELOC_AARCH64_TLSDESC_OFF_G1,
+   0,
+   0,
+   0},
+
   /* Get to the page containing GOT TLS entry for a symbol */
   {"gottprel", 0,
    0,                          /* adr_type */
@@ -4670,6 +4756,7 @@ process_movw_reloc_info (void)
       case BFD_RELOC_AARCH64_MOVW_G0_S:
       case BFD_RELOC_AARCH64_MOVW_G1_S:
       case BFD_RELOC_AARCH64_MOVW_G2_S:
+      case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
       case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
       case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
       case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G2:
@@ -4686,6 +4773,9 @@ process_movw_reloc_info (void)
     case BFD_RELOC_AARCH64_MOVW_G0_NC:
     case BFD_RELOC_AARCH64_MOVW_G0_S:
     case BFD_RELOC_AARCH64_MOVW_GOTOFF_G0_NC:
+    case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+    case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
+    case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC:
     case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0:
     case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G0_NC:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G0:
@@ -4696,6 +4786,9 @@ process_movw_reloc_info (void)
     case BFD_RELOC_AARCH64_MOVW_G1_NC:
     case BFD_RELOC_AARCH64_MOVW_G1_S:
     case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
+    case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
+    case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
+    case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1:
     case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1:
     case BFD_RELOC_AARCH64_TLSLD_MOVW_DTPREL_G1_NC:
     case BFD_RELOC_AARCH64_TLSLE_MOVW_TPREL_G1:
@@ -6818,6 +6911,22 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg)
     case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
       scale = 16;
       goto movw_common;
+    case BFD_RELOC_AARCH64_TLSDESC_OFF_G0_NC:
+      scale = 0;
+      S_SET_THREAD_LOCAL (fixP->fx_addsy);
+      /* Should always be exported to object file, see
+        aarch64_force_relocation().  */
+      gas_assert (!fixP->fx_done);
+      gas_assert (seg->use_rela_p);
+      goto movw_common;
+    case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
+      scale = 16;
+      S_SET_THREAD_LOCAL (fixP->fx_addsy);
+      /* Should always be exported to object file, see
+        aarch64_force_relocation().  */
+      gas_assert (!fixP->fx_done);
+      gas_assert (seg->use_rela_p);
+      goto movw_common;
     case BFD_RELOC_AARCH64_MOVW_G2:
     case BFD_RELOC_AARCH64_MOVW_G2_NC:
     case BFD_RELOC_AARCH64_MOVW_G2_S:
@@ -6847,6 +6956,7 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg)
                case BFD_RELOC_AARCH64_MOVW_G2:
                case BFD_RELOC_AARCH64_MOVW_G3:
                case BFD_RELOC_AARCH64_MOVW_GOTOFF_G1:
+               case BFD_RELOC_AARCH64_TLSDESC_OFF_G1:
                  if (unsigned_overflow (value, scale + 16))
                    as_bad_where (fixP->fx_file, fixP->fx_line,
                                  _("unsigned value out of range"));
@@ -6915,10 +7025,14 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg)
     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_TLSGD_MOVW_G0_NC:
+    case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
     case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
     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_TLSIE_MOVW_GOTTPREL_G0_NC:
+    case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1:
     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:
@@ -7140,14 +7254,20 @@ aarch64_force_relocation (struct fix *fixp)
     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:
+    case BFD_RELOC_AARCH64_TLSGD_MOVW_G0_NC:
+    case BFD_RELOC_AARCH64_TLSGD_MOVW_G1:
     case BFD_RELOC_AARCH64_TLSIE_ADR_GOTTPREL_PAGE21:
     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_DTPREL_HI12:
+    case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G0_NC:
+    case BFD_RELOC_AARCH64_TLSIE_MOVW_GOTTPREL_G1:
+   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_ADD_LO12_NC:
@@ -7189,6 +7309,11 @@ aarch64_force_relocation (struct fix *fixp)
 const char *
 elf64_aarch64_target_format (void)
 {
+  if (strcmp (TARGET_OS, "cloudabi") == 0)
+    {
+      /* FIXME: What to do for ilp32_p ?  */
+      return target_big_endian ? "elf64-bigaarch64-cloudabi" : "elf64-littleaarch64-cloudabi";
+    }
   if (target_big_endian)
     return ilp32_p ? "elf32-bigaarch64" : "elf64-bigaarch64";
   else
@@ -7391,24 +7516,24 @@ md_begin (void)
                         aarch64_pstatefields[i].name,
                         (void *) (aarch64_pstatefields + i));
 
-  for (i = 0; aarch64_sys_regs_ic[i].template != NULL; i++)
+  for (i = 0; aarch64_sys_regs_ic[i].name != NULL; i++)
     checked_hash_insert (aarch64_sys_regs_ic_hsh,
-                        aarch64_sys_regs_ic[i].template,
+                        aarch64_sys_regs_ic[i].name,
                         (void *) (aarch64_sys_regs_ic + i));
 
-  for (i = 0; aarch64_sys_regs_dc[i].template != NULL; i++)
+  for (i = 0; aarch64_sys_regs_dc[i].name != NULL; i++)
     checked_hash_insert (aarch64_sys_regs_dc_hsh,
-                        aarch64_sys_regs_dc[i].template,
+                        aarch64_sys_regs_dc[i].name,
                         (void *) (aarch64_sys_regs_dc + i));
 
-  for (i = 0; aarch64_sys_regs_at[i].template != NULL; i++)
+  for (i = 0; aarch64_sys_regs_at[i].name != NULL; i++)
     checked_hash_insert (aarch64_sys_regs_at_hsh,
-                        aarch64_sys_regs_at[i].template,
+                        aarch64_sys_regs_at[i].name,
                         (void *) (aarch64_sys_regs_at + i));
 
-  for (i = 0; aarch64_sys_regs_tlbi[i].template != NULL; i++)
+  for (i = 0; aarch64_sys_regs_tlbi[i].name != NULL; i++)
     checked_hash_insert (aarch64_sys_regs_tlbi_hsh,
-                        aarch64_sys_regs_tlbi[i].template,
+                        aarch64_sys_regs_tlbi[i].name,
                         (void *) (aarch64_sys_regs_tlbi + i));
 
   for (i = 0; i < ARRAY_SIZE (reg_names); i++)