* mips-tdep.c (enum mips_abi): Add MIPS_ABI_N64.

	(mips_abi_strings): Add "n64".
	(mips_gdbarch_init): Add test for n64 abi.  Add MIPS_ABI_N64 case.

diff --git a/gdb/ChangeLog b/gdb/ChangeLog
index a7bd04c..76571fd 100644 (file)
--- a/gdb/ChangeLog
+++ b/gdb/ChangeLog
@@ -1,5 +1,11 @@
 2002-07-31  Kevin Buettner  <kevinb@redhat.com>
 
+       * mips-tdep.c (enum mips_abi): Add MIPS_ABI_N64.
+       (mips_abi_strings): Add "n64".
+       (mips_gdbarch_init): Add test for n64 abi.  Add MIPS_ABI_N64 case.
+
+2002-07-31  Kevin Buettner  <kevinb@redhat.com>
+
        * config/mips/tm-irix6.h (MIPS_REGSIZE): Define to be 8.
        (REGISTER_VIRTUAL_TYPE): Some registers are now 64 bits wide.
 

diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c
index fb46b02..6d32f4e 100644 (file)
--- a/gdb/mips-tdep.c
+++ b/gdb/mips-tdep.c
@@ -64,6 +64,7 @@ enum mips_abi
     MIPS_ABI_UNKNOWN = 0,
     MIPS_ABI_N32,
     MIPS_ABI_O32,
+    MIPS_ABI_N64,
     MIPS_ABI_O64,
     MIPS_ABI_EABI32,
     MIPS_ABI_EABI64,
@@ -76,6 +77,7 @@ static const char *mips_abi_strings[] = {
   "auto",
   "n32",
   "o32",
+  "n64",
   "o64",
   "eabi32",
   "eabi64",
@@ -4352,7 +4354,11 @@ mips_gdbarch_init (struct gdbarch_info info,
          break;
        case bfd_mach_mips8000:
        case bfd_mach_mips10000:
-         mips_abi = MIPS_ABI_N32;
+         if (bfd_get_flavour (info.abfd) == bfd_target_elf_flavour
+             && elf_elfheader (info.abfd)->e_ident[EI_CLASS] == ELFCLASS64)
+           mips_abi = MIPS_ABI_N64;
+         else
+           mips_abi = MIPS_ABI_N32;
          break;
        }
     }
@@ -4494,6 +4500,30 @@ mips_gdbarch_init (struct gdbarch_info info,
       else
        tm_print_insn_info.mach = bfd_mach_mips8000;
       break;
+    case MIPS_ABI_N64:
+      tdep->mips_default_saved_regsize = 8;
+      tdep->mips_default_stack_argsize = 8;
+      tdep->mips_fp_register_double = 1;
+      tdep->mips_last_arg_regnum = A0_REGNUM + 8 - 1;
+      tdep->mips_last_fp_arg_regnum = FPA0_REGNUM + 8 - 1;
+      tdep->mips_regs_have_home_p = 0;
+      tdep->gdb_target_is_mips64 = 1;
+      tdep->default_mask_address_p = 0;
+      set_gdbarch_long_bit (gdbarch, 64);
+      set_gdbarch_ptr_bit (gdbarch, 64);
+      set_gdbarch_long_long_bit (gdbarch, 64);
+
+      /* Set up the disassembler info, so that we get the right
+        register names from libopcodes.  */
+      tm_print_insn_info.flavour = bfd_target_elf_flavour;
+      tm_print_insn_info.arch = bfd_arch_mips;
+      if (info.bfd_arch_info != NULL
+         && info.bfd_arch_info->arch == bfd_arch_mips
+         && info.bfd_arch_info->mach)
+       tm_print_insn_info.mach = info.bfd_arch_info->mach;
+      else
+       tm_print_insn_info.mach = bfd_mach_mips8000;
+      break;
     default:
       internal_error (__FILE__, __LINE__,
                      "unknown ABI in switch");