diff options
Diffstat (limited to 'gdb/config')
| -rw-r--r-- | gdb/config/mn10300/tm-mn10300.h | 53 |
1 files changed, 32 insertions, 21 deletions
diff --git a/gdb/config/mn10300/tm-mn10300.h b/gdb/config/mn10300/tm-mn10300.h index 65203af..4b759ca 100644 --- a/gdb/config/mn10300/tm-mn10300.h +++ b/gdb/config/mn10300/tm-mn10300.h @@ -19,12 +19,22 @@ You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ +/* The mn10300 is little endian. */ #define TARGET_BYTE_ORDER LITTLE_ENDIAN +/* All registers are 32bits (phew!). */ #define REGISTER_SIZE 4 #define MAX_REGISTER_RAW_SIZE 4 #define NUM_REGS 14 +#define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int + +#define REGISTER_BYTE(REG) ((REG) * 4) +#define REGISTER_VIRTUAL_SIZE(REG) 4 +#define REGISTER_RAW_SIZE(REG) 4 + +#define MAX_REGISTER_VIRTUAL_SIZE 4 + #define REGISTER_BYTES (NUM_REGS * REGISTER_SIZE) #define REGISTER_NAMES \ @@ -40,14 +50,12 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define FP_REGNUM 7 -#define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int - -#define REGISTER_BYTE(REG) ((REG) * 4) -#define REGISTER_VIRTUAL_SIZE(REG) 4 -#define REGISTER_RAW_SIZE(REG) 4 - -#define MAX_REGISTER_VIRTUAL_SIZE 4 +/* The breakpoint instruction must be the same size as the smallest + instruction in the instruction set. + The Matsushita mn10x00 processors have single byte instructions + so we need a single byte breakpoint. Matsushita hasn't defined + one, so we defined it ourselves. */ #define BREAKPOINT {0xff} #define FUNCTION_START_OFFSET 0 @@ -66,20 +74,21 @@ struct type; struct value; #endif -#define EXTRA_FRAME_INFO struct frame_saved_regs fsr; +#define EXTRA_FRAME_INFO struct frame_saved_regs fsr; int status; int stack_size; -extern void mn10300_init_extra_frame_info PARAMS ((struct frame_info *fi)); +extern void mn10300_init_extra_frame_info PARAMS ((struct frame_info *)); #define INIT_EXTRA_FRAME_INFO(fromleaf, fi) mn10300_init_extra_frame_info (fi) #define INIT_FRAME_PC /* Not necessary */ -extern void mn10300_frame_find_saved_regs PARAMS ((struct frame_info *fi, struct frame_saved_regs *regaddr)); +extern void mn10300_frame_find_saved_regs PARAMS ((struct frame_info *, + struct frame_saved_regs *)); #define FRAME_FIND_SAVED_REGS(fi, regaddr) regaddr = fi->fsr -extern CORE_ADDR mn10300_frame_chain PARAMS ((struct frame_info *fi)); +extern CORE_ADDR mn10300_frame_chain PARAMS ((struct frame_info *)); #define FRAME_CHAIN(fi) mn10300_frame_chain (fi) #define FRAME_CHAIN_VALID(FP, FI) generic_frame_chain_valid (FP, FI) -extern CORE_ADDR mn10300_find_callers_reg PARAMS ((struct frame_info *fi, int regnum)); +extern CORE_ADDR mn10300_find_callers_reg PARAMS ((struct frame_info *, int)); extern CORE_ADDR mn10300_frame_saved_pc PARAMS ((struct frame_info *)); #define FRAME_SAVED_PC(FI) (mn10300_frame_saved_pc (FI)) @@ -97,7 +106,10 @@ extern CORE_ADDR mn10300_frame_saved_pc PARAMS ((struct frame_info *)); #define STORE_RETURN_VALUE(TYPE, VALBUF) \ write_register_bytes(REGISTER_BYTE (0), VALBUF, TYPE_LENGTH (TYPE)); -extern CORE_ADDR mn10300_skip_prologue PARAMS ((CORE_ADDR pc)); +#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \ + (SP) = mn10300_store_struct_return (STRUCT_ADDR, SP) + +extern CORE_ADDR mn10300_skip_prologue PARAMS ((CORE_ADDR)); #define SKIP_PROLOGUE(pc) pc = mn10300_skip_prologue (pc) #define FRAME_ARGS_SKIP 0 @@ -106,12 +118,11 @@ extern CORE_ADDR mn10300_skip_prologue PARAMS ((CORE_ADDR pc)); #define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame) #define FRAME_NUM_ARGS(val, fi) ((val) = -1) -extern void mn10300_pop_frame PARAMS ((struct frame_info *frame)); +extern void mn10300_pop_frame PARAMS ((struct frame_info *)); #define POP_FRAME mn10300_pop_frame (get_current_frame ()) #define USE_GENERIC_DUMMY_FRAMES #define CALL_DUMMY {0} -#undef CALL_DUMMY /* for now, no function calls */ #define CALL_DUMMY_START_OFFSET (0) #define CALL_DUMMY_BREAKPOINT_OFFSET (0) #define CALL_DUMMY_LOCATION AT_ENTRY_POINT @@ -124,18 +135,18 @@ extern CORE_ADDR mn10300_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR)); #define PUSH_DUMMY_FRAME generic_push_dummy_frame () extern CORE_ADDR -mn10300_push_arguments PARAMS ((int nargs, struct value **args, CORE_ADDR sp, - unsigned char struct_return, - CORE_ADDR struct_addr)); +mn10300_push_arguments PARAMS ((int, struct value **, CORE_ADDR, + unsigned char, CORE_ADDR )); #define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \ (SP) = mn10300_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) -#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) - #define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP) +#define REG_STRUCT_HAS_ADDR(gcc_p,TYPE) \ + (TYPE_LENGTH (TYPE) > 8) + #define USE_STRUCT_CONVENTION(GCC_P, TYPE) \ - (TYPE_NFIELDS (TYPE) > 1 || TYPE_LENGTH (TYPE) > 4) + (TYPE_NFIELDS (TYPE) > 1 || TYPE_LENGTH (TYPE) > 8) /* override the default get_saved_register function with one that takes account of generic CALL_DUMMY frames */ |