[AArch64][5/8] GAS support BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC

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

diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index b0cd54b3f5f36fe855f65c1a4437539e88928004..a633b04fd84695d270b616bf41e4b2603fe33d45 100644 (file)
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -2455,6 +2455,15 @@ static struct reloc_table_entry reloc_table[] = {
    BFD_RELOC_AARCH64_LD_GOT_LO12_NC,
    0},
 
+  /* 15 bit offset into the page containing GOT entry for that symbol.  */
+  {"gotoff_lo15", 0,
+   0,                          /* adr_type */
+   0,
+   0,
+   0,
+   BFD_RELOC_AARCH64_LD64_GOTOFF_LO15,
+   0},
+
   /* Get to the page containing GOT TLS entry for a symbol */
   {"tlsgd", 0,
    BFD_RELOC_AARCH64_TLSGD_ADR_PREL21, /* adr_type */
@@ -2491,6 +2500,28 @@ static struct reloc_table_entry reloc_table[] = {
    BFD_RELOC_AARCH64_TLSDESC_LD_LO12_NC,
    0},
 
+  /* Get to the page containing GOT TLS entry for a symbol.
+     The same as GD, we allocate two consecutive GOT slots
+     for module index and module offset, the only difference
+     with GD is the module offset should be intialized to
+     zero without any outstanding runtime relocation. */
+  {"tlsldm", 0,
+   BFD_RELOC_AARCH64_TLSLD_ADR_PREL21, /* adr_type */
+   BFD_RELOC_AARCH64_TLSLD_ADR_PAGE21,
+   0,
+   0,
+   0,
+   0},
+
+  /* 12 bit offset into the page containing GOT TLS entry for a symbol */
+  {"tlsldm_lo12_nc", 0,
+   0,                          /* adr_type */
+   0,
+   0,
+   BFD_RELOC_AARCH64_TLSLD_ADD_LO12_NC,
+   0,
+   0},
+
   /* Get to the page containing GOT TLS entry for a symbol */
   {"gottprel", 0,
    0,                          /* adr_type */
@@ -2589,6 +2620,24 @@ static struct reloc_table_entry reloc_table[] = {
    0,
    0,
    0},
+
+  /* 15bit offset from got entry to base address of GOT table.  */
+  {"gotpage_lo15", 0,
+   0,
+   0,
+   0,
+   0,
+   BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15,
+   0},
+
+  /* 14bit offset from got entry to base address of GOT table.  */
+  {"gotpage_lo14", 0,
+   0,
+   0,
+   0,
+   0,
+   BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14,
+   0},
 };
 
 /* Given the address of a pointer pointing to the textual name of a
@@ -3383,10 +3432,15 @@ parse_barrier (char **str)
    Returns the encoding for the option, or PARSE_FAIL.
 
    If IMPLE_DEFINED_P is non-zero, the function will also try to parse the
-   implementation defined system register name S<op0>_<op1>_<Cn>_<Cm>_<op2>.  */
+   implementation defined system register name S<op0>_<op1>_<Cn>_<Cm>_<op2>.
+
+   If PSTATEFIELD_P is non-zero, the function will parse the name as a PSTATE
+   field, otherwise as a system register.
+*/
 
 static int
-parse_sys_reg (char **str, struct hash_control *sys_regs, int imple_defined_p)
+parse_sys_reg (char **str, struct hash_control *sys_regs,
+              int imple_defined_p, int pstatefield_p)
 {
   char *p, *q;
   char buf[32];
@@ -3421,9 +3475,15 @@ parse_sys_reg (char **str, struct hash_control *sys_regs, int imple_defined_p)
     }
   else
     {
+      if (pstatefield_p && !aarch64_pstatefield_supported_p (cpu_variant, o))
+       as_bad (_("selected processor does not support PSTATE field "
+                 "name '%s'"), buf);
+      if (!pstatefield_p && !aarch64_sys_reg_supported_p (cpu_variant, o))
+       as_bad (_("selected processor does not support system register "
+                 "name '%s'"), buf);
       if (aarch64_sys_reg_deprecated_p (o))
        as_warn (_("system register name '%s' is deprecated and may be "
-"removed in a future release"), buf);
+                  "removed in a future release"), buf);
       value = o->value;
     }
 
@@ -5288,7 +5348,7 @@ parse_operands (char *str, const aarch64_opcode *opcode)
          break;
 
        case AARCH64_OPND_SYSREG:
-         if ((val = parse_sys_reg (&str, aarch64_sys_regs_hsh, 1))
+         if ((val = parse_sys_reg (&str, aarch64_sys_regs_hsh, 1, 0))
              == PARSE_FAIL)
            {
              set_syntax_error (_("unknown or missing system register name"));
@@ -5298,7 +5358,7 @@ parse_operands (char *str, const aarch64_opcode *opcode)
          break;
 
        case AARCH64_OPND_PSTATEFIELD:
-         if ((val = parse_sys_reg (&str, aarch64_pstatefield_hsh, 0))
+         if ((val = parse_sys_reg (&str, aarch64_pstatefield_hsh, 0, 1))
              == PARSE_FAIL)
            {
              set_syntax_error (_("unknown or missing PSTATE field name"));
@@ -6727,6 +6787,9 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg)
     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:
     case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
     case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC:
@@ -6758,6 +6821,9 @@ md_apply_fix (fixS * fixP, valueT * valP, segT seg)
     case BFD_RELOC_AARCH64_ADR_HI21_PCREL:
     case BFD_RELOC_AARCH64_GOT_LD_PREL19:
     case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
+    case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
+    case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
+    case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
     case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
     case BFD_RELOC_AARCH64_LDST128_LO12:
     case BFD_RELOC_AARCH64_LDST16_LO12:
@@ -6911,6 +6977,9 @@ aarch64_force_relocation (struct fix *fixp)
     case BFD_RELOC_AARCH64_ADR_HI21_PCREL:
     case BFD_RELOC_AARCH64_GOT_LD_PREL19:
     case BFD_RELOC_AARCH64_LD32_GOT_LO12_NC:
+    case BFD_RELOC_AARCH64_LD32_GOTPAGE_LO14:
+    case BFD_RELOC_AARCH64_LD64_GOTOFF_LO15:
+    case BFD_RELOC_AARCH64_LD64_GOTPAGE_LO15:
     case BFD_RELOC_AARCH64_LD64_GOT_LO12_NC:
     case BFD_RELOC_AARCH64_LDST128_LO12:
     case BFD_RELOC_AARCH64_LDST16_LO12:
@@ -6930,6 +6999,9 @@ aarch64_force_relocation (struct fix *fixp)
     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:
     case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12:
     case BFD_RELOC_AARCH64_TLSLE_ADD_TPREL_LO12_NC:
@@ -7350,6 +7422,7 @@ struct aarch64_arch_option_table
 static const struct aarch64_arch_option_table aarch64_archs[] = {
   {"all", AARCH64_ANY},
   {"armv8-a", AARCH64_ARCH_V8},
+  {"armv8.1-a", AARCH64_ARCH_V8_1},
   {NULL, AARCH64_ARCH_NONE}
 };
 
@@ -7366,6 +7439,10 @@ static const struct aarch64_option_cpu_value_table aarch64_features[] = {
   {"fp",               AARCH64_FEATURE (AARCH64_FEATURE_FP, 0)},
   {"lse",              AARCH64_FEATURE (AARCH64_FEATURE_LSE, 0)},
   {"simd",             AARCH64_FEATURE (AARCH64_FEATURE_SIMD, 0)},
+  {"pan",              AARCH64_FEATURE (AARCH64_FEATURE_PAN, 0)},
+  {"lor",              AARCH64_FEATURE (AARCH64_FEATURE_LOR, 0)},
+  {"rdma",             AARCH64_FEATURE (AARCH64_FEATURE_SIMD
+                                        | AARCH64_FEATURE_RDMA, 0)},
   {NULL,               AARCH64_ARCH_NONE}
 };