Fixed issue with NULL pointer access on header var.

[deliverable/binutils-gdb.git] / opcodes / aarch64-opc.c

diff --git a/opcodes/aarch64-opc.c b/opcodes/aarch64-opc.c
index 76992df7e740974fc9c8c8cf84832a7938767e5b..322b991a4bc3e3ade711ba025747ea2664d7a714 100644 (file)
--- a/opcodes/aarch64-opc.c
+++ b/opcodes/aarch64-opc.c
@@ -1521,6 +1521,16 @@ operand_general_constraint_met_p (const aarch64_opnd_info *opnds, int idx,
       break;
 
     case AARCH64_OPND_CLASS_SIMD_REGLIST:
+      if (type == AARCH64_OPND_LEt)
+       {
+         /* Get the upper bound for the element index.  */
+         num = 16 / aarch64_get_qualifier_esize (qualifier) - 1;
+         if (!value_in_range_p (opnd->reglist.index, 0, num))
+           {
+             set_elem_idx_out_of_range_error (mismatch_detail, idx, 0, num);
+             return 0;
+           }
+       }
       /* The opcode dependent area stores the number of elements in
         each structure to be loaded/stored.  */
       num = get_opcode_dependent_value (opcode);
@@ -2256,7 +2266,7 @@ print_register_list (char *buf, size_t size, const aarch64_opnd_info *opnd)
 
   /* Prepare the index if any.  */
   if (opnd->reglist.has_index)
-    snprintf (tb, 8, "[%d]", opnd->reglist.index);
+    snprintf (tb, 8, "[%" PRIi64 "]", opnd->reglist.index);
   else
     tb[0] = '\0';
 
@@ -2479,7 +2489,7 @@ aarch64_print_operand (char *buf, size_t size, bfd_vma pc,
     case AARCH64_OPND_Ed:
     case AARCH64_OPND_En:
     case AARCH64_OPND_Em:
-      snprintf (buf, size, "v%d.%s[%d]", opnd->reglane.regno,
+      snprintf (buf, size, "v%d.%s[%" PRIi64 "]", opnd->reglane.regno,
                aarch64_get_qualifier_name (opnd->qualifier),
                opnd->reglane.index);
       break;
@@ -3417,6 +3427,35 @@ aarch64_sys_ins_reg_supported_p (const aarch64_feature_set features,
 #undef C14
 #undef C15
 
+#define BIT(INSN,BT)     (((INSN) >> (BT)) & 1)
+#define BITS(INSN,HI,LO) (((INSN) >> (LO)) & ((1 << (((HI) - (LO)) + 1)) - 1))
+
+static bfd_boolean
+verify_ldpsw (const struct aarch64_opcode * opcode ATTRIBUTE_UNUSED,
+             const aarch64_insn insn)
+{
+  int t  = BITS (insn, 4, 0);
+  int n  = BITS (insn, 9, 5);
+  int t2 = BITS (insn, 14, 10);
+
+  if (BIT (insn, 23))
+    {
+      /* Write back enabled.  */
+      if ((t == n || t2 == n) && n != 31)
+       return FALSE;
+    }
+
+  if (BIT (insn, 22))
+    {
+      /* Load */
+      if (t == t2)
+       return FALSE;
+    }
+
+  return TRUE;
+}
+
 /* Include the opcode description table as well as the operand description
    table.  */
+#define VERIFIER(x) verify_##x
 #include "aarch64-tbl.h"