X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fconfig%2Fmn10300%2Ftm-mn10300.h;h=42b73415d2859c415653a04e489df77831a4a448;hb=b83266a0e1813b7f4891d5d6b0ed6b7302a3fe98;hp=846483dfaf2b10f37751e287eeac23191ebfe582;hpb=ddc2888e6b77292272adb3c0f0296019eaeef9be;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/config/mn10300/tm-mn10300.h b/gdb/config/mn10300/tm-mn10300.h index 846483dfaf..42b73415d2 100644 --- a/gdb/config/mn10300/tm-mn10300.h +++ b/gdb/config/mn10300/tm-mn10300.h @@ -1,6 +1,5 @@ /* Parameters for execution on a Matsushita mn10300 processor. - Copyright 1996 - Free Software Foundation, Inc. + Copyright 1996, 1997 Free Software Foundation, Inc. Contributed by Geoffrey Noer @@ -20,19 +19,31 @@ 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. */ -#define TARGET_BYTE_ORDER LITTLE_ENDIAN - -#define REGISTER_BYTES (NUM_REGS * 4) +/* The mn10300 is little endian. */ +#define TARGET_BYTE_ORDER_DEFAULT LITTLE_ENDIAN +/* All registers are 32bits (phew!). */ #define REGISTER_SIZE 4 #define MAX_REGISTER_RAW_SIZE 4 +#define NUM_REGS 32 -#define NUM_REGS 14 +#define REGISTER_VIRTUAL_TYPE(REG) builtin_type_int -#define REGISTER_NAMES \ -{ "d0", "d1", "d2", "d3", "a0", "a1", "a2", "a3", \ - "sp", "pc", "mdr", "psw", "lir", "lar"} +#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) + +extern char **mn10300_register_names; +#define REGISTER_NAME(i) mn10300_register_names[i] + +#define D2_REGNUM 2 +#define D3_REGNUM 3 +#define A2_REGNUM 6 +#define A3_REGNUM 7 #define SP_REGNUM 8 #define PC_REGNUM 9 #define MDR_REGNUM 10 @@ -40,60 +51,69 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ #define LIR_REGNUM 12 #define LAR_REGNUM 13 -#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 +/* Pseudo register that contains true address of executing stack frame */ +#define FP_REGNUM 31 -#define MAX_REGISTER_VIRTUAL_SIZE 4 - -#define BREAKPOINT {0xff, 0xff} +/* BREAKPOINT_FROM_PC uses the program counter value to determine the + breakpoint that should be used */ +extern breakpoint_from_pc_fn mn10300_breakpoint_from_pc; +#define BREAKPOINT_FROM_PC(pcptr, lenptr) mn10300_breakpoint_from_pc (pcptr, lenptr) #define FUNCTION_START_OFFSET 0 #define DECR_PC_AFTER_BREAK 0 -#define INNER_THAN < +#define INNER_THAN(lhs,rhs) ((lhs) < (rhs)) -#define SAVED_PC_AFTER_CALL(fi) read_register (RP_REGNUM) +#define SAVED_PC_AFTER_CALL(frame) \ + read_memory_integer (read_register (SP_REGNUM), 4) #ifdef __STDC__ struct frame_info; -struct frame_saved_regs; struct type; struct value; #endif -#define EXTRA_FRAME_INFO struct frame_saved_regs fsr; - -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)); -#define FRAME_FIND_SAVED_REGS(fi, regaddr) regaddr = fi->fsr +#define FRAME_INIT_SAVED_REGS(fi) /* handled by init_extra_frame_info */ -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)) +/* Extract from an array REGBUF containing the (raw) register state + a function return value of type TYPE, and copy that, in virtual format, + into VALBUF. */ + #define EXTRACT_RETURN_VALUE(TYPE, REGBUF, VALBUF) \ - memcpy (VALBUF, REGBUF + REGISTER_BYTE (V0_REGNUM), TYPE_LENGTH (TYPE)) + if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \ + memcpy (VALBUF, REGBUF + REGISTER_BYTE (4), TYPE_LENGTH (TYPE)); \ + else \ + memcpy (VALBUF, REGBUF + REGISTER_BYTE (0), TYPE_LENGTH (TYPE)); + #define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \ - extract_address (REGBUF + REGISTER_BYTE (V0_REGNUM), \ - REGISTER_RAW_SIZE (V0_REGNUM)) + extract_address (REGBUF + REGISTER_BYTE (4), \ + REGISTER_RAW_SIZE (4)) #define STORE_RETURN_VALUE(TYPE, VALBUF) \ - write_register_bytes(REGISTER_BYTE (V0_REGNUM), VALBUF, TYPE_LENGTH (TYPE)); + if (TYPE_CODE (TYPE) == TYPE_CODE_PTR) \ + write_register_bytes(REGISTER_BYTE (4), VALBUF, TYPE_LENGTH (TYPE)); \ + else \ + write_register_bytes(REGISTER_BYTE (0), VALBUF, TYPE_LENGTH (TYPE)); + +#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \ + (SP) = mn10300_store_struct_return (STRUCT_ADDR, SP) -extern CORE_ADDR mn10300_skip_prologue PARAMS ((CORE_ADDR pc)); -#define SKIP_PROLOGUE(pc) pc = mn10300_skip_prologue (pc) +extern CORE_ADDR mn10300_skip_prologue PARAMS ((CORE_ADDR)); +#define SKIP_PROLOGUE(pc) (mn10300_skip_prologue (pc)) #define FRAME_ARGS_SKIP 0 @@ -101,37 +121,45 @@ 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 1 #define CALL_DUMMY {0} #define CALL_DUMMY_START_OFFSET (0) #define CALL_DUMMY_BREAKPOINT_OFFSET (0) #define CALL_DUMMY_LOCATION AT_ENTRY_POINT #define FIX_CALL_DUMMY(DUMMY, START, FUNADDR, NARGS, ARGS, TYPE, GCCP) #define CALL_DUMMY_ADDRESS() entry_point_address () + extern CORE_ADDR mn10300_push_return_address PARAMS ((CORE_ADDR, CORE_ADDR)); #define PUSH_RETURN_ADDRESS(PC, SP) mn10300_push_return_address (PC, SP) #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, FP) -#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) +extern use_struct_convention_fn mn10300_use_struct_convention; +#define USE_STRUCT_CONVENTION(GCC_P, TYPE) mn10300_use_struct_convention (GCC_P, TYPE) /* override the default get_saved_register function with one that takes account of generic CALL_DUMMY frames */ -#define GET_SAVED_REGISTER +#define GET_SAVED_REGISTER(raw_buffer, optimized, addrp, frame, regnum, lval) \ + generic_get_saved_register (raw_buffer, optimized, addrp, frame, regnum, lval) + +/* Cons up virtual frame pointer for trace */ +extern void mn10300_virtual_frame_pointer PARAMS ((CORE_ADDR, long *, long *)); +#define TARGET_VIRTUAL_FRAME_POINTER(PC, REGP, OFFP) \ + mn10300_virtual_frame_pointer ((PC), (REGP), (OFFP)) /* Define this for Wingdb */