diff options
Diffstat (limited to 'gdb/mips-tdep.c')
| -rw-r--r-- | gdb/mips-tdep.c | 32 |
1 files changed, 31 insertions, 1 deletions
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index fb46b02..6d32f4e 100644 --- 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"); |