gdb: add target_ops::supports_displaced_step

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

diff --git a/opcodes/ppc-dis.c b/opcodes/ppc-dis.c
index 9add60272a5172fad9f44c28451bce6aa3d349da..162f770697514b8180555a25cb9bb2ebe5a65cb5 100644 (file)
--- a/opcodes/ppc-dis.c
+++ b/opcodes/ppc-dis.c
@@ -1,5 +1,5 @@
 /* ppc-dis.c -- Disassemble PowerPC instructions
-   Copyright (C) 1994-2019 Free Software Foundation, Inc.
+   Copyright (C) 1994-2020 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Cygnus Support
 
    This file is part of the GNU opcodes library.
@@ -185,10 +185,15 @@ struct ppc_mopt ppc_opts[] = {
                | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9
                | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
     0 },
+  { "power10", (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
+               | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
+               | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9
+               | PPC_OPCODE_POWER10 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
+    0 },
   { "future",  (PPC_OPCODE_PPC | PPC_OPCODE_ISEL | PPC_OPCODE_64
                | PPC_OPCODE_POWER4 | PPC_OPCODE_POWER5 | PPC_OPCODE_POWER6
                | PPC_OPCODE_POWER7 | PPC_OPCODE_POWER8 | PPC_OPCODE_POWER9
-               | PPC_OPCODE_POWERXX | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
+               | PPC_OPCODE_POWER10 | PPC_OPCODE_ALTIVEC | PPC_OPCODE_VSX),
     0 },
   { "ppc",     PPC_OPCODE_PPC,
     0 },
@@ -354,7 +359,7 @@ powerpc_init_dialect (struct disassemble_info *info)
       break;
     default:
       if (info->arch == bfd_arch_powerpc)
-       dialect = ppc_parse_cpu (dialect, &sticky, "power9") | PPC_OPCODE_ANY;
+       dialect = ppc_parse_cpu (dialect, &sticky, "power10") | PPC_OPCODE_ANY;
       else
        dialect = ppc_parse_cpu (dialect, &sticky, "pwr");
       break;
@@ -750,8 +755,9 @@ print_insn_powerpc (bfd_vma memaddr,
   if (status != 0 && (dialect & PPC_OPCODE_VLE) != 0)
     {
       /* Clear buffer so unused bytes will not have garbage in them.  */
-      buffer[0] = buffer[1] = buffer[2] = buffer[3] = 0;
+      buffer[2] = buffer[3] = 0;
       status = (*info->read_memory_func) (memaddr, buffer, 2, info);
+      insn_length = 2;
     }
 
   if (status != 0)
@@ -767,7 +773,7 @@ print_insn_powerpc (bfd_vma memaddr,
 
   /* Get the major opcode of the insn.  */
   opcode = NULL;
-  if ((dialect & PPC_OPCODE_POWERXX) != 0
+  if ((dialect & PPC_OPCODE_POWER10) != 0
       && PPC_OP (insn) == 0x1)
     {
       uint64_t temp_insn, suffix;
@@ -801,12 +807,15 @@ print_insn_powerpc (bfd_vma memaddr,
          insn_length = 2;
        }
     }
-  if (opcode == NULL && (dialect & PPC_OPCODE_SPE2) != 0)
-    opcode = lookup_spe2 (insn);
-  if (opcode == NULL)
-    opcode = lookup_powerpc (insn, dialect & ~PPC_OPCODE_ANY);
-  if (opcode == NULL && (dialect & PPC_OPCODE_ANY) != 0)
-    opcode = lookup_powerpc (insn, dialect);
+  if (opcode == NULL && insn_length == 4)
+    {
+      if ((dialect & PPC_OPCODE_SPE2) != 0)
+       opcode = lookup_spe2 (insn);
+      if (opcode == NULL)
+       opcode = lookup_powerpc (insn, dialect & ~PPC_OPCODE_ANY);
+      if (opcode == NULL && (dialect & PPC_OPCODE_ANY) != 0)
+       opcode = lookup_powerpc (insn, dialect);
+    }
 
   if (opcode != NULL)
     {
@@ -824,16 +833,16 @@ print_insn_powerpc (bfd_vma memaddr,
        need_paren
       } op_separator;
       bfd_boolean skip_optional;
-      int spaces;
+      int blanks;
 
       (*info->fprintf_func) (info->stream, "%s", opcode->name);
       /* gdb fprintf_func doesn't return count printed.  */
-      spaces = 8 - strlen (opcode->name);
-      if (spaces <= 0)
-       spaces = 1;
+      blanks = 8 - strlen (opcode->name);
+      if (blanks <= 0)
+       blanks = 1;
 
       /* Now extract and print the operands.  */
-      op_separator = spaces;
+      op_separator = blanks;
       skip_optional = FALSE;
       for (opindex = opcode->operands; *opindex != 0; opindex++)
        {
@@ -872,6 +881,8 @@ print_insn_powerpc (bfd_vma memaddr,
            (*info->fprintf_func) (info->stream, "v%" PRId64, value);
          else if ((operand->flags & PPC_OPERAND_VSR) != 0)
            (*info->fprintf_func) (info->stream, "vs%" PRId64, value);
+         else if ((operand->flags & PPC_OPERAND_ACC) != 0)
+           (*info->fprintf_func) (info->stream, "a%" PRId64, value);
          else if ((operand->flags & PPC_OPERAND_RELATIVE) != 0)
            (*info->print_address_func) (memaddr + value, info);
          else if ((operand->flags & PPC_OPERAND_ABSOLUTE) != 0)
@@ -918,9 +929,13 @@ print_insn_powerpc (bfd_vma memaddr,
     }
 
   /* We could not find a match.  */
-  (*info->fprintf_func) (info->stream, ".long 0x%" PRIx64, insn);
-
-  return 4;
+  if (insn_length == 4)
+    (*info->fprintf_func) (info->stream, ".long 0x%x",
+                          (unsigned int) insn);
+  else
+    (*info->fprintf_func) (info->stream, ".word 0x%x",
+                          (unsigned int) insn >> 16);
+  return insn_length;
 }
 
 const disasm_options_and_args_t *