Don't write to inferior_ptid in tracefile-tfile.c

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

diff --git a/opcodes/aarch64-dis.c b/opcodes/aarch64-dis.c
index 8b32097a5fa116d728e7e70b15be11534740c843..6567880efbaaeea5e1f2aa026df99059e9bb7471 100644 (file)
--- a/opcodes/aarch64-dis.c
+++ b/opcodes/aarch64-dis.c
@@ -1,5 +1,5 @@
 /* aarch64-dis.c -- AArch64 disassembler.
 /* aarch64-dis.c -- AArch64 disassembler.

-   Copyright (C) 2009-2019 Free Software Foundation, Inc.
+   Copyright (C) 2009-2020 Free Software Foundation, Inc.

    Contributed by ARM Ltd.
 
    This file is part of the GNU opcodes library.
    Contributed by ARM Ltd.
 
    This file is part of the GNU opcodes library.


@@ -178,18 +178,15 @@ extract_all_fields (const aarch64_operand *self, aarch64_insn code)
 }
 
 /* Sign-extend bit I of VALUE.  */
 }
 
 /* Sign-extend bit I of VALUE.  */

-static inline int32_t
+static inline uint64_t

 sign_extend (aarch64_insn value, unsigned i)
 {
 sign_extend (aarch64_insn value, unsigned i)
 {

-  uint32_t ret = value;
+  uint64_t ret, sign;

 
   assert (i < 32);
 
   assert (i < 32);

-  if ((value >> i) & 0x1)
-    {
-      uint32_t val = (uint32_t)(-1) << i;
-      ret = ret | val;
-    }
-  return (int32_t) ret;
+  ret = value;
+  sign = (uint64_t) 1 << i;
+  return ((ret & (sign + sign - 1)) ^ sign) - sign;

 }
 
 /* N.B. the following inline helpfer functions create a dependency on the
 }
 
 /* N.B. the following inline helpfer functions create a dependency on the


@@ -254,6 +251,16 @@ get_expected_qualifier (const aarch64_inst *inst, int i)
 
 /* Operand extractors.  */
 
 
 /* Operand extractors.  */
 

+bfd_boolean
+aarch64_ext_none (const aarch64_operand *self ATTRIBUTE_UNUSED,
+                 aarch64_opnd_info *info ATTRIBUTE_UNUSED,
+                 const aarch64_insn code ATTRIBUTE_UNUSED,
+                 const aarch64_inst *inst ATTRIBUTE_UNUSED,
+                 aarch64_operand_error *errors ATTRIBUTE_UNUSED)
+{
+  return TRUE;
+}
+

 bfd_boolean
 aarch64_ext_regno (const aarch64_operand *self, aarch64_opnd_info *info,
                   const aarch64_insn code,
 bfd_boolean
 aarch64_ext_regno (const aarch64_operand *self, aarch64_opnd_info *info,
                   const aarch64_insn code,


@@ -658,7 +665,7 @@ aarch64_ext_imm (const aarch64_operand *self, aarch64_opnd_info *info,
                 const aarch64_inst *inst ATTRIBUTE_UNUSED,
                 aarch64_operand_error *errors ATTRIBUTE_UNUSED)
 {
                 const aarch64_inst *inst ATTRIBUTE_UNUSED,
                 aarch64_operand_error *errors ATTRIBUTE_UNUSED)
 {

-  int64_t imm;
+  uint64_t imm;

 
   imm = extract_all_fields (self, code);
 
 
   imm = extract_all_fields (self, code);
 


@@ -2975,7 +2982,7 @@ aarch64_opcode_decode (const aarch64_opcode *opcode, const aarch64_insn code,
       DEBUG_TRACE ("constraint matching FAIL");
     }
 
       DEBUG_TRACE ("constraint matching FAIL");
     }
 

-decode_fail:
+ decode_fail:

   return FALSE;
 }
 \f
   return FALSE;
 }
 \f