diff options
Diffstat (limited to 'gdb/gdbarch.c')
| -rw-r--r-- | gdb/gdbarch.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c index 8dfdc84..b0a0203 100644 --- a/gdb/gdbarch.c +++ b/gdb/gdbarch.c @@ -176,6 +176,8 @@ struct gdbarch gdbarch_do_registers_info_ftype *do_registers_info; gdbarch_register_sim_regno_ftype *register_sim_regno; gdbarch_register_bytes_ok_ftype *register_bytes_ok; + gdbarch_cannot_fetch_register_ftype *cannot_fetch_register; + gdbarch_cannot_store_register_ftype *cannot_store_register; int use_generic_dummy_frames; int call_dummy_location; gdbarch_call_dummy_address_ftype *call_dummy_address; @@ -332,6 +334,8 @@ struct gdbarch startup_gdbarch = 0, 0, 0, + 0, + 0, generic_get_saved_register, 0, 0, @@ -455,6 +459,8 @@ gdbarch_alloc (const struct gdbarch_info *info, gdbarch->max_register_virtual_size = -1; gdbarch->do_registers_info = do_registers_info; gdbarch->register_sim_regno = default_register_sim_regno; + gdbarch->cannot_fetch_register = cannot_register_not; + gdbarch->cannot_store_register = cannot_register_not; gdbarch->use_generic_dummy_frames = -1; gdbarch->call_dummy_start_offset = -1; gdbarch->call_dummy_breakpoint_offset = -1; @@ -602,6 +608,8 @@ verify_gdbarch (struct gdbarch *gdbarch) /* Skip verify of do_registers_info, invalid_p == 0 */ /* Skip verify of register_sim_regno, invalid_p == 0 */ /* Skip verify of register_bytes_ok, has predicate */ + /* Skip verify of cannot_fetch_register, invalid_p == 0 */ + /* Skip verify of cannot_store_register, invalid_p == 0 */ if ((GDB_MULTI_ARCH >= 1) && (gdbarch->use_generic_dummy_frames == -1)) internal_error (__FILE__, __LINE__, @@ -1042,6 +1050,18 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) "REGISTER_BYTES_OK(nr_bytes)", XSTRING (REGISTER_BYTES_OK (nr_bytes))); #endif +#ifdef CANNOT_FETCH_REGISTER + fprintf_unfiltered (file, + "gdbarch_dump: %s # %s\n", + "CANNOT_FETCH_REGISTER(reg_nr)", + XSTRING (CANNOT_FETCH_REGISTER (reg_nr))); +#endif +#ifdef CANNOT_STORE_REGISTER + fprintf_unfiltered (file, + "gdbarch_dump: %s # %s\n", + "CANNOT_STORE_REGISTER(reg_nr)", + XSTRING (CANNOT_STORE_REGISTER (reg_nr))); +#endif #ifdef USE_GENERIC_DUMMY_FRAMES fprintf_unfiltered (file, "gdbarch_dump: USE_GENERIC_DUMMY_FRAMES # %s\n", @@ -1757,6 +1777,20 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file) (long) current_gdbarch->register_bytes_ok /*REGISTER_BYTES_OK ()*/); #endif +#ifdef CANNOT_FETCH_REGISTER + if (GDB_MULTI_ARCH) + fprintf_unfiltered (file, + "gdbarch_dump: CANNOT_FETCH_REGISTER = 0x%08lx\n", + (long) current_gdbarch->cannot_fetch_register + /*CANNOT_FETCH_REGISTER ()*/); +#endif +#ifdef CANNOT_STORE_REGISTER + if (GDB_MULTI_ARCH) + fprintf_unfiltered (file, + "gdbarch_dump: CANNOT_STORE_REGISTER = 0x%08lx\n", + (long) current_gdbarch->cannot_store_register + /*CANNOT_STORE_REGISTER ()*/); +#endif #ifdef USE_GENERIC_DUMMY_FRAMES fprintf_unfiltered (file, "gdbarch_dump: USE_GENERIC_DUMMY_FRAMES = %ld\n", @@ -3055,6 +3089,42 @@ set_gdbarch_register_bytes_ok (struct gdbarch *gdbarch, } int +gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, int reg_nr) +{ + if (gdbarch->cannot_fetch_register == 0) + internal_error (__FILE__, __LINE__, + "gdbarch: gdbarch_cannot_fetch_register invalid"); + if (gdbarch_debug >= 2) + fprintf_unfiltered (gdb_stdlog, "gdbarch_cannot_fetch_register called\n"); + return gdbarch->cannot_fetch_register (reg_nr); +} + +void +set_gdbarch_cannot_fetch_register (struct gdbarch *gdbarch, + gdbarch_cannot_fetch_register_ftype cannot_fetch_register) +{ + gdbarch->cannot_fetch_register = cannot_fetch_register; +} + +int +gdbarch_cannot_store_register (struct gdbarch *gdbarch, int reg_nr) +{ + if (gdbarch->cannot_store_register == 0) + internal_error (__FILE__, __LINE__, + "gdbarch: gdbarch_cannot_store_register invalid"); + if (gdbarch_debug >= 2) + fprintf_unfiltered (gdb_stdlog, "gdbarch_cannot_store_register called\n"); + return gdbarch->cannot_store_register (reg_nr); +} + +void +set_gdbarch_cannot_store_register (struct gdbarch *gdbarch, + gdbarch_cannot_store_register_ftype cannot_store_register) +{ + gdbarch->cannot_store_register = cannot_store_register; +} + +int gdbarch_use_generic_dummy_frames (struct gdbarch *gdbarch) { if (gdbarch->use_generic_dummy_frames == -1) |