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Use gdbarch for most target parameters for the MN10300, rather

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than the tm-*.h file.
* config/mn10300/tm-mn10300.h (MAX_REGISTER_VIRTUAL_SIZE,
REGISTER_BYTES, FP_REGNUM, BREAKPOINT_FROM_PC,
FUNCTION_START_OFFSET, DECR_PC_AFTER_BREAK, INNER_THAN,
SAVED_PC_AFTER_CALL, INIT_EXTRA_FRAME_INFO, FRAME_INIT_SAVED_REGS,
FRAME_CHAIN, FRAME_CHAIN_VALID, FRAME_SAVED_PC,
EXTRACT_RETURN_VALUE, EXTRACT_STRUCT_VALUE_ADDRESS,
STORE_RETURN_VALUE, STORE_STRUCT_RETURN, SKIP_PROLOGUE,
FRAME_ARGS_SKIP, FRAME_ARGS_ADDRESS, FRAME_LOCALS_ADDRESS,
FRAME_NUM_ARGS, POP_FRAME, USE_GENERIC_DUMMY_FRAMES, CALL_DUMMY,
CALL_DUMMY_START_OFFSET, CALL_DUMMY_BREAKPOINT_OFFSET,
CALL_DUMMY_LOCATION, FIX_CALL_DUMMY, CALL_DUMMY_ADDRESS,
TARGET_READ_FP, PUSH_RETURN_ADDRESS, PUSH_DUMMY_FRAME,
SAVE_DUMMY_FRAME_TOS, PUSH_ARGUMENTS, PC_IN_CALL_DUMMY,
REG_STRUCT_HAS_ADDR, USE_STRUCT_CONVENTION, GET_SAVED_REGISTER):
Delete definitions.  We register gdbarch methods for these now.
(struct frame_info, struct type, struct value): Delete forward
declarations of these types; they're no longer necessary, since we
don't have function declarations here any more.
* mn10300-tdep.c: #include "arch-utils.h", to get declarations for
some default gdbarch methods.
(mn10300_store_struct_return): Return void, as expected by
gdbarch.
(mn10300_init_extra_frame_info): Take initial `fromleaf' argument,
as expected by gdbarch.
(mn10300_frame_init_saved_regs): Provide dummy definition for
this, as required by gdbarch.
(mn10300_gdbarch_init): Add mn10300_call_dummy_words, as expected
by gdbarch.  Register gdbarch methods or values for all the stuff
removed from tm-10300.h, listed above.
This commit is contained in:
Jim Blandy
2001-05-09 02:04:26 +00:00
parent 631ec795c9
commit ad8fe2ce84
3 changed files with 84 additions and 105 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
gdb/ChangeLog
View File

@ -1,3 +1,37 @@
2001-05-08 Jim Blandy <jimb@redhat.com>
Use gdbarch for most target parameters for the MN10300, rather
than the tm-*.h file.
* config/mn10300/tm-mn10300.h (MAX_REGISTER_VIRTUAL_SIZE,
REGISTER_BYTES, FP_REGNUM, BREAKPOINT_FROM_PC,
FUNCTION_START_OFFSET, DECR_PC_AFTER_BREAK, INNER_THAN,
SAVED_PC_AFTER_CALL, INIT_EXTRA_FRAME_INFO, FRAME_INIT_SAVED_REGS,
FRAME_CHAIN, FRAME_CHAIN_VALID, FRAME_SAVED_PC,
EXTRACT_RETURN_VALUE, EXTRACT_STRUCT_VALUE_ADDRESS,
STORE_RETURN_VALUE, STORE_STRUCT_RETURN, SKIP_PROLOGUE,
FRAME_ARGS_SKIP, FRAME_ARGS_ADDRESS, FRAME_LOCALS_ADDRESS,
FRAME_NUM_ARGS, POP_FRAME, USE_GENERIC_DUMMY_FRAMES, CALL_DUMMY,
CALL_DUMMY_START_OFFSET, CALL_DUMMY_BREAKPOINT_OFFSET,
CALL_DUMMY_LOCATION, FIX_CALL_DUMMY, CALL_DUMMY_ADDRESS,
TARGET_READ_FP, PUSH_RETURN_ADDRESS, PUSH_DUMMY_FRAME,
SAVE_DUMMY_FRAME_TOS, PUSH_ARGUMENTS, PC_IN_CALL_DUMMY,
REG_STRUCT_HAS_ADDR, USE_STRUCT_CONVENTION, GET_SAVED_REGISTER):
Delete definitions. We register gdbarch methods for these now.
(struct frame_info, struct type, struct value): Delete forward
declarations of these types; they're no longer necessary, since we
don't have function declarations here any more.
* mn10300-tdep.c: #include "arch-utils.h", to get declarations for
some default gdbarch methods.
(mn10300_store_struct_return): Return void, as expected by
gdbarch.
(mn10300_init_extra_frame_info): Take initial `fromleaf' argument,
as expected by gdbarch.
(mn10300_frame_init_saved_regs): Provide dummy definition for
this, as required by gdbarch.
(mn10300_gdbarch_init): Add mn10300_call_dummy_words, as expected
by gdbarch. Register gdbarch methods or values for all the stuff
removed from tm-10300.h, listed above.
2001-05-08 Andrew Cagney <ac131313@redhat.com>
* cli-out.c (cli_begin, cli_end): Replace cli_list_begin and

102
gdb/config/mn10300/tm-mn10300.h
View File

@ -43,10 +43,6 @@
#define REGISTER_RAW_SIZE(REG) 4
#endif
#define MAX_REGISTER_VIRTUAL_SIZE 4
#define REGISTER_BYTES (NUM_REGS * REGISTER_SIZE)
#define D2_REGNUM 2
#define D3_REGNUM 3
#define A2_REGNUM 6
@ -59,111 +55,13 @@
#define LAR_REGNUM 13
#define E0_REGNUM 15
/* Pseudo register that contains true address of executing stack frame */
#define FP_REGNUM 31
/* 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(lhs,rhs) ((lhs) < (rhs))
extern CORE_ADDR mn10300_saved_pc_after_call (struct frame_info *frame);
#define SAVED_PC_AFTER_CALL(frame) \
mn10300_saved_pc_after_call (frame)
struct frame_info;
struct type;
struct value;
extern void mn10300_init_extra_frame_info (struct frame_info *);
#define INIT_EXTRA_FRAME_INFO(fromleaf, fi) mn10300_init_extra_frame_info (fi)
#define INIT_FRAME_PC /* Not necessary */
#define FRAME_INIT_SAVED_REGS(fi) /* handled by init_extra_frame_info */
extern CORE_ADDR mn10300_frame_chain (struct frame_info *);
#define FRAME_CHAIN(fi) mn10300_frame_chain (fi)
#define FRAME_CHAIN_VALID(FP, FI) generic_file_frame_chain_valid (FP, FI)
extern CORE_ADDR mn10300_find_callers_reg (struct frame_info *, int);
extern CORE_ADDR mn10300_frame_saved_pc (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. */
extern void mn10300_extract_return_value (struct type *type, char *regbuf,
char *valbuf);
#define EXTRACT_RETURN_VALUE(TYPE, REGBUF, VALBUF) \
mn10300_extract_return_value (TYPE, REGBUF, VALBUF)
CORE_ADDR mn10300_extract_struct_value_address (char *regbuf);
#define EXTRACT_STRUCT_VALUE_ADDRESS(REGBUF) \
mn10300_extract_struct_value_address (REGBUF)
void mn10300_store_return_value (struct type *type, char *valbuf);
#define STORE_RETURN_VALUE(TYPE, VALBUF) \
mn10300_store_return_value (TYPE, VALBUF)
extern CORE_ADDR mn10300_store_struct_return (CORE_ADDR addr, CORE_ADDR sp);
#define STORE_STRUCT_RETURN(STRUCT_ADDR, SP) \
(mn10300_store_struct_return (STRUCT_ADDR, SP))
extern CORE_ADDR mn10300_skip_prologue (CORE_ADDR);
#define SKIP_PROLOGUE(pc) (mn10300_skip_prologue (pc))
#define FRAME_ARGS_SKIP 0
#define FRAME_ARGS_ADDRESS(fi) ((fi)->frame)
#define FRAME_LOCALS_ADDRESS(fi) ((fi)->frame)
#define FRAME_NUM_ARGS(fi) (-1)
extern void mn10300_pop_frame (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 ()
#define TARGET_READ_FP() read_sp ()
extern CORE_ADDR mn10300_push_return_address (CORE_ADDR, CORE_ADDR);
#define PUSH_RETURN_ADDRESS(PC, SP) mn10300_push_return_address (PC, SP)
#define PUSH_DUMMY_FRAME generic_push_dummy_frame ()
#define SAVE_DUMMY_FRAME_TOS(SP) generic_save_dummy_frame_tos (SP)
extern CORE_ADDR
mn10300_push_arguments (int, struct value **, CORE_ADDR,
int, CORE_ADDR);
#define PUSH_ARGUMENTS(NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR) \
(mn10300_push_arguments (NARGS, ARGS, SP, STRUCT_RETURN, STRUCT_ADDR))
#define PC_IN_CALL_DUMMY(PC, SP, FP) generic_pc_in_call_dummy (PC, SP, FP)
#define REG_STRUCT_HAS_ADDR(gcc_p,TYPE) \
(TYPE_LENGTH (TYPE) > 8)
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(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 (CORE_ADDR, long *, long *);
#define TARGET_VIRTUAL_FRAME_POINTER(PC, REGP, OFFP) \

53
gdb/mn10300-tdep.c
View File

@ -30,6 +30,7 @@
#include "gdbcore.h"
#include "symfile.h"
#include "regcache.h"
#include "arch-utils.h"
extern void _initialize_mn10300_tdep (void);
static CORE_ADDR mn10300_analyze_prologue (struct frame_info *fi,
@ -727,12 +728,11 @@ mn10300_push_return_address (CORE_ADDR pc, CORE_ADDR sp)
Store the structure value return address for an inferior function
call. */
CORE_ADDR
void
mn10300_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
{
/* The structure return address is passed as the first argument. */
write_register (0, addr);
return sp;
}
/* Function: frame_saved_pc
@ -777,7 +777,7 @@ mn10300_frame_saved_pc (struct frame_info *fi)
pointer just prior to calling the target function (see run_stack_dummy). */
void
mn10300_init_extra_frame_info (struct frame_info *fi)
mn10300_init_extra_frame_info (int fromleaf, struct frame_info *fi)
{
if (fi->next)
fi->pc = FRAME_SAVED_PC (fi->next);
@ -792,6 +792,14 @@ mn10300_init_extra_frame_info (struct frame_info *fi)
mn10300_analyze_prologue (fi, 0);
}
/* This function's job is handled by init_extra_frame_info. */
void
mn10300_frame_init_saved_regs (struct frame_info *frame)
{
}
/* Function: mn10300_virtual_frame_pointer
Return the register that the function uses for a frame pointer,
plus any necessary offset to be applied to the register before
@ -944,6 +952,7 @@ static struct gdbarch *
mn10300_gdbarch_init (struct gdbarch_info info,
struct gdbarch_list *arches)
{
static LONGEST mn10300_call_dummy_words[] = { 0 };
struct gdbarch *gdbarch;
struct gdbarch_tdep *tdep = NULL;
int am33_mode;
@ -1001,6 +1010,44 @@ mn10300_gdbarch_init (struct gdbarch_info info,
set_gdbarch_num_regs (gdbarch, num_regs);
set_gdbarch_do_registers_info (gdbarch, mn10300_do_registers_info);
set_gdbarch_fp_regnum (gdbarch, 31);
set_gdbarch_max_register_virtual_size (gdbarch, 4);
set_gdbarch_register_bytes (gdbarch,
num_regs * gdbarch_register_size (gdbarch));
set_gdbarch_breakpoint_from_pc (gdbarch, mn10300_breakpoint_from_pc);
set_gdbarch_function_start_offset (gdbarch, 0);
set_gdbarch_decr_pc_after_break (gdbarch, 0);
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
set_gdbarch_frame_chain_valid (gdbarch, generic_file_frame_chain_valid);
set_gdbarch_saved_pc_after_call (gdbarch, mn10300_saved_pc_after_call);
set_gdbarch_init_extra_frame_info (gdbarch, mn10300_init_extra_frame_info);
set_gdbarch_frame_init_saved_regs (gdbarch, mn10300_frame_init_saved_regs);
set_gdbarch_frame_chain (gdbarch, mn10300_frame_chain);
set_gdbarch_frame_saved_pc (gdbarch, mn10300_frame_saved_pc);
set_gdbarch_extract_return_value (gdbarch, mn10300_extract_return_value);
set_gdbarch_extract_struct_value_address
(gdbarch, mn10300_extract_struct_value_address);
set_gdbarch_store_return_value (gdbarch, mn10300_store_return_value);
set_gdbarch_store_struct_return (gdbarch, mn10300_store_struct_return);
set_gdbarch_skip_prologue (gdbarch, mn10300_skip_prologue);
set_gdbarch_frame_args_skip (gdbarch, 0);
set_gdbarch_frame_args_address (gdbarch, default_frame_address);
set_gdbarch_frame_locals_address (gdbarch, default_frame_address);
set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
/* That's right, we're using the stack pointer as our frame pointer. */
set_gdbarch_read_fp (gdbarch, generic_target_read_sp);
set_gdbarch_call_dummy_location (gdbarch, AT_ENTRY_POINT);
set_gdbarch_call_dummy_address (gdbarch, entry_point_address);
set_gdbarch_call_dummy_words (gdbarch, mn10300_call_dummy_words);
set_gdbarch_sizeof_call_dummy_words (gdbarch,
sizeof (mn10300_call_dummy_words));
set_gdbarch_call_dummy_length (gdbarch, 0);
set_gdbarch_fix_call_dummy (gdbarch, generic_fix_call_dummy);
set_gdbarch_call_dummy_start_offset (gdbarch, 0);
set_gdbarch_pc_in_call_dummy (gdbarch, generic_pc_in_call_dummy);
set_gdbarch_push_dummy_frame (gdbarch, generic_push_dummy_frame);
set_gdbarch_use_struct_convention (gdbarch, mn10300_use_struct_convention);
tdep->am33_mode = am33_mode;
return gdbarch;