gas/
[deliverable/binutils-gdb.git] / opcodes / mips-dis.c
index 35a51191525903913eef8c9b7b1212d16ac79106..01e446c56aa507f0bb3cf0f73f4d8fbb4f2a1155 100644 (file)
@@ -1,6 +1,6 @@
 /* Print mips instructions for GDB, the GNU debugger, or for objdump.
    Copyright 1989, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
-   2000, 2001, 2002, 2003, 2005, 2007, 2008
+   2000, 2001, 2002, 2003, 2005, 2006, 2007, 2008, 2009
    Free Software Foundation, Inc.
    Contributed by Nobuyuki Hikichi(hikichi@sra.co.jp).
 
@@ -319,6 +319,56 @@ static const struct mips_cp0sel_name mips_cp0sel_names_sb1[] =
   { 29, 3, "c0_datahi_d"       },
 };
 
+/* Xlr cop0 register names.  */
+static const char * const mips_cp0_names_xlr[32] = {
+  "c0_index",     "c0_random",    "c0_entrylo0",  "c0_entrylo1",
+  "c0_context",   "c0_pagemask",  "c0_wired",     "$7",
+  "c0_badvaddr",  "c0_count",     "c0_entryhi",   "c0_compare",
+  "c0_status",    "c0_cause",     "c0_epc",       "c0_prid",
+  "c0_config",    "c0_lladdr",    "c0_watchlo",   "c0_watchhi",
+  "c0_xcontext",  "$21",          "$22",          "c0_debug",
+  "c0_depc",      "c0_perfcnt",   "c0_errctl",    "c0_cacheerr_i",
+  "c0_taglo_i",   "c0_taghi_i",   "c0_errorepc",  "c0_desave",
+};
+
+/* XLR's CP0 Select Registers.  */
+
+static const struct mips_cp0sel_name mips_cp0sel_names_xlr[] = {
+  {  9, 6, "c0_extintreq"       },
+  {  9, 7, "c0_extintmask"      },
+  { 15, 1, "c0_ebase"           },
+  { 16, 1, "c0_config1"         },
+  { 16, 2, "c0_config2"         },
+  { 16, 3, "c0_config3"         },
+  { 16, 7, "c0_procid2"         },
+  { 18, 1, "c0_watchlo,1"       },
+  { 18, 2, "c0_watchlo,2"       },
+  { 18, 3, "c0_watchlo,3"       },
+  { 18, 4, "c0_watchlo,4"       },
+  { 18, 5, "c0_watchlo,5"       },
+  { 18, 6, "c0_watchlo,6"       },
+  { 18, 7, "c0_watchlo,7"       },
+  { 19, 1, "c0_watchhi,1"       },
+  { 19, 2, "c0_watchhi,2"       },
+  { 19, 3, "c0_watchhi,3"       },
+  { 19, 4, "c0_watchhi,4"       },
+  { 19, 5, "c0_watchhi,5"       },
+  { 19, 6, "c0_watchhi,6"       },
+  { 19, 7, "c0_watchhi,7"       },
+  { 25, 1, "c0_perfcnt,1"       },
+  { 25, 2, "c0_perfcnt,2"       },
+  { 25, 3, "c0_perfcnt,3"       },
+  { 25, 4, "c0_perfcnt,4"       },
+  { 25, 5, "c0_perfcnt,5"       },
+  { 25, 6, "c0_perfcnt,6"       },
+  { 25, 7, "c0_perfcnt,7"       },
+  { 27, 1, "c0_cacheerr,1"      },
+  { 27, 2, "c0_cacheerr,2"      },
+  { 27, 3, "c0_cacheerr,3"      },
+  { 28, 1, "c0_datalo"          },
+  { 29, 1, "c0_datahi"          }
+};
+
 static const char * const mips_hwr_names_numeric[32] =
 {
   "$0",   "$1",   "$2",   "$3",   "$4",   "$5",   "$6",   "$7",
@@ -409,6 +459,10 @@ const struct mips_arch_choice mips_arch_choices[] =
     mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
   { "r12000",  1, bfd_mach_mips12000, CPU_R12000, ISA_MIPS4,
     mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+  { "r14000",  1, bfd_mach_mips14000, CPU_R14000, ISA_MIPS4,
+    mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
+  { "r16000",  1, bfd_mach_mips16000, CPU_R16000, ISA_MIPS4,
+    mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
   { "mips5",   1, bfd_mach_mips5, CPU_MIPS5, ISA_MIPS5,
     mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
 
@@ -418,13 +472,13 @@ const struct mips_arch_choice mips_arch_choices[] =
      MIPS32 Architecture_ (MIPS Document Number MD00082, Revision 0.95),
      page 1.  */
   { "mips32",  1, bfd_mach_mipsisa32, CPU_MIPS32,
-    ISA_MIPS32 | INSN_MIPS16 | INSN_SMARTMIPS,
+    ISA_MIPS32 | INSN_SMARTMIPS,
     mips_cp0_names_mips3264,
     mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264),
     mips_hwr_names_numeric },
 
   { "mips32r2",        1, bfd_mach_mipsisa32r2, CPU_MIPS32R2,
-    (ISA_MIPS32R2 | INSN_MIPS16 | INSN_SMARTMIPS | INSN_DSP | INSN_DSPR2
+    (ISA_MIPS32R2 | INSN_SMARTMIPS | INSN_DSP | INSN_DSPR2
      | INSN_MIPS3D | INSN_MT),
     mips_cp0_names_mips3264r2,
     mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
@@ -432,13 +486,13 @@ const struct mips_arch_choice mips_arch_choices[] =
 
   /* For stock MIPS64, disassemble all applicable MIPS-specified ASEs.  */
   { "mips64",  1, bfd_mach_mipsisa64, CPU_MIPS64,
-    ISA_MIPS64 | INSN_MIPS16 | INSN_MIPS3D | INSN_MDMX,
+    ISA_MIPS64 | INSN_MIPS3D | INSN_MDMX,
     mips_cp0_names_mips3264,
     mips_cp0sel_names_mips3264, ARRAY_SIZE (mips_cp0sel_names_mips3264),
     mips_hwr_names_numeric },
 
   { "mips64r2",        1, bfd_mach_mipsisa64r2, CPU_MIPS64R2,
-    (ISA_MIPS64R2 | INSN_MIPS16 | INSN_MIPS3D | INSN_DSP | INSN_DSPR2
+    (ISA_MIPS64R2 | INSN_MIPS3D | INSN_DSP | INSN_DSPR2
      | INSN_DSP64 | INSN_MT | INSN_MDMX),
     mips_cp0_names_mips3264r2,
     mips_cp0sel_names_mips3264r2, ARRAY_SIZE (mips_cp0sel_names_mips3264r2),
@@ -462,9 +516,15 @@ const struct mips_arch_choice mips_arch_choices[] =
     ISA_MIPS64R2 | INSN_OCTEON, mips_cp0_names_numeric, NULL, 0,
     mips_hwr_names_numeric },
 
+  { "xlr", 1, bfd_mach_mips_xlr, CPU_XLR,
+    ISA_MIPS64 | INSN_XLR,
+    mips_cp0_names_xlr,
+    mips_cp0sel_names_xlr, ARRAY_SIZE (mips_cp0sel_names_xlr),
+    mips_hwr_names_numeric },
+
   /* This entry, mips16, is here only for ISA/processor selection; do
      not print its name.  */
-  { "",                1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3 | INSN_MIPS16,
+  { "",                1, bfd_mach_mips16, CPU_MIPS16, ISA_MIPS3,
     mips_cp0_names_numeric, NULL, 0, mips_hwr_names_numeric },
 };
 
@@ -1104,6 +1164,7 @@ print_insn_args (const char *d,
          break;
 
        case '<':
+       case '1':
          (*info->fprintf_func) (info->stream, "0x%lx",
                                 (l >> OP_SH_SHAMT) & OP_MASK_SHAMT);
          break;
@@ -1599,7 +1660,6 @@ print_mips16_insn_arg (char type,
            signedp = 1;
            pcrel = 1;
            branch = 1;
-           info->insn_type = dis_condbranch;
            break;
          case 'q':
            nbits = 11;
@@ -1607,7 +1667,6 @@ print_mips16_insn_arg (char type,
            signedp = 1;
            pcrel = 1;
            branch = 1;
-           info->insn_type = dis_branch;
            break;
          case 'A':
            nbits = 8;
@@ -1728,8 +1787,6 @@ print_mips16_insn_arg (char type,
       }
       info->target = ((memaddr + 4) & ~(bfd_vma) 0x0fffffff) | l;
       (*info->print_address_func) (info->target, info);
-      info->insn_type = dis_jsr;
-      info->branch_delay_insns = 1;
       break;
 
     case 'l':
@@ -2021,12 +2078,19 @@ print_insn_mips16 (bfd_vma memaddr, struct disassemble_info *info)
                                     info);
            }
 
+         /* Figure out branch instruction type and delay slot information.  */
          if ((op->pinfo & INSN_UNCOND_BRANCH_DELAY) != 0)
+           info->branch_delay_insns = 1;
+         if ((op->pinfo & (INSN_UNCOND_BRANCH_DELAY
+                           | MIPS16_INSN_UNCOND_BRANCH)) != 0)
            {
-             info->branch_delay_insns = 1;
-             if (info->insn_type != dis_jsr)
+             if ((op->pinfo & INSN_WRITE_GPR_31) != 0)
+               info->insn_type = dis_jsr;
+             else
                info->insn_type = dis_branch;
            }
+         else if ((op->pinfo & MIPS16_INSN_COND_BRANCH) != 0)
+           info->insn_type = dis_condbranch;
 
          return length;
        }
@@ -2068,8 +2132,8 @@ _print_insn_mips (bfd_vma memaddr,
   if (info->mach == bfd_mach_mips16
       || (info->symbols != NULL
          && bfd_asymbol_flavour (*info->symbols) == bfd_target_elf_flavour
-         && ((*(elf_symbol_type **) info->symbols)->internal_elf_sym.st_other
-             == STO_MIPS16)))
+         && ELF_ST_IS_MIPS16 ((*(elf_symbol_type **) info->symbols)
+                              ->internal_elf_sym.st_other)))
     return print_insn_mips16 (memaddr, info);
 #endif
 
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