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* config/mcore/tm-mcore.h (REGISTER_BYTES, NUM_REGS, PC_REGNUM)

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(SP_REGNUM, FP_REGNUM, FUNCTION_START_OFFSET, DECR_PC_AFTER_BREAK)
	(BREAKPOINT_FROM_PC, INNER_THAN, SAVED_PC_AFTER_CALL)
	(INIT_EXTRA_FRAME_INFO, FRAME_INIT_SAVED_REGS, INIT_FRAME_PC)
	(FRAME_CHAIN, FRAME_CHAIN_VALID, FRAME_SAVED_PC)
	(STORE_RETURN_VALUE, DEPRECATED_EXTRACT_RETURN_VALUE)
	(STORE_STRUCT_RETURN, DEPRECATED_EXTRACT_STRUCT_VALUE_ADDRESS)
	(SKIP_PROLOGUE, FRAME_ARGS_SKIP, FRAME_ARGS_ADDRESS)
	(FRAME_LOCALS_ADDRESS, FRAME_NUM_ARGS, POP_FRAME)
	(PUSH_RETURN_ADDRESS, PUSH_DUMMY_FRAME, PUSH_ARGUMENTS): Remove.
	* mcore-tdep.c (mcore_init_extra_frame_info): Add fromleaf
	argument so the function fits the prototype in the architecture
	vector.
	(mcore_pop_frame): Remove argument so the function fits the
	prototype. Use get_current_frame instead of the argument.
	(mcore_push_arguments): Change type of struct_return so the
	function can be used in the architecture vector.
	(mcore_store_struct_return): Add.
	(mcore_frame_init_saved_regs): Add.
	(mcore_gdbarch_init): Add function calls to replace the macros
	removed from tm-mcore.h
This commit is contained in:
Grace Sainsbury
2002-07-03 21:23:02 +00:00
parent 36160dc4b2
commit 4e0d9804fe
3 changed files with 102 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

78
gdb/mcore-tdep.c
View File

@@ -26,6 +26,7 @@
#include "symfile.h"
#include "gdbcore.h"
#include "inferior.h"
#include "arch-utils.h"
/* Functions declared and used only in this file */
@@ -41,7 +42,7 @@ int mcore_use_struct_convention (int gcc_p, struct type *type);
void _initialize_mcore (void);
void mcore_init_extra_frame_info (struct frame_info *fi);
void mcore_init_extra_frame_info (int fromleaf, struct frame_info *fi);
CORE_ADDR mcore_frame_saved_pc (struct frame_info *fi);
@@ -54,9 +55,9 @@ CORE_ADDR mcore_frame_locals_address (struct frame_info *fi);
CORE_ADDR mcore_push_return_address (CORE_ADDR pc, CORE_ADDR sp);
CORE_ADDR mcore_push_arguments (int nargs, struct value ** args, CORE_ADDR sp,
unsigned char struct_return, CORE_ADDR struct_addr);
int struct_return, CORE_ADDR struct_addr);
void mcore_pop_frame (struct frame_info *fi);
void mcore_pop_frame ();
CORE_ADDR mcore_skip_prologue (CORE_ADDR pc);
@@ -243,6 +244,26 @@ mcore_breakpoint_from_pc (CORE_ADDR * bp_addr, int *bp_size)
return breakpoint;
}
static CORE_ADDR
mcore_saved_pc_after_call (struct frame_info *frame)
{
return read_register (PR_REGNUM);
}
/* This is currently handled by init_extra_frame_info. */
static void
mcore_frame_init_saved_regs (struct frame_info *frame)
{
}
/* This is currently handled by mcore_push_arguments */
static void
mcore_store_struct_return (CORE_ADDR addr, CORE_ADDR sp)
{
}
/* Helper function for several routines below. This funtion simply
sets up a fake, aka dummy, frame (not a _call_ dummy frame) that
we can analyze with mcore_analyze_prologue. */
@@ -749,9 +770,10 @@ mcore_frame_saved_pc (struct frame_info * fi)
command, or the call dummy breakpoint gets hit. */
void
mcore_pop_frame (struct frame_info *fi)
mcore_pop_frame ()
{
int rn;
struct frame_info *fi = get_current_frame ();
if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
generic_pop_dummy_frame ();
@@ -798,7 +820,7 @@ mcore_pop_frame (struct frame_info *fi)
CORE_ADDR
mcore_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
unsigned char struct_return, CORE_ADDR struct_addr)
int struct_return, CORE_ADDR struct_addr)
{
int argreg;
int argnum;
@@ -998,9 +1020,9 @@ mcore_store_return_value (struct type *type, char *valbuf)
the prologue of this frame. */
void
mcore_init_extra_frame_info (struct frame_info *fi)
mcore_init_extra_frame_info (int fromleaf, struct frame_info *fi)
{
if (fi->next)
if (fi && fi->next)
fi->pc = FRAME_SAVED_PC (fi->next);
frame_saved_regs_zalloc (fi);
@@ -1047,16 +1069,24 @@ mcore_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
gdbarch = gdbarch_alloc (&info, 0);
/* Registers: */
/* All registers are 32 bits */
set_gdbarch_register_size (gdbarch, MCORE_REG_SIZE);
set_gdbarch_max_register_raw_size (gdbarch, MCORE_REG_SIZE);
set_gdbarch_max_register_virtual_size (gdbarch, MCORE_REG_SIZE);
set_gdbarch_register_name (gdbarch, mcore_register_name);
set_gdbarch_register_virtual_type (gdbarch, mcore_register_virtual_type);
set_gdbarch_register_virtual_size (gdbarch, mcore_register_size);
set_gdbarch_register_raw_size (gdbarch, mcore_register_size);
set_gdbarch_register_byte (gdbarch, mcore_register_byte);
set_gdbarch_register_bytes (gdbarch, MCORE_REG_SIZE * MCORE_NUM_REGS);
set_gdbarch_num_regs (gdbarch, MCORE_NUM_REGS);
set_gdbarch_pc_regnum (gdbarch, 64);
set_gdbarch_sp_regnum (gdbarch, 0);
set_gdbarch_fp_regnum (gdbarch, 0);
/* Call Dummies: */
set_gdbarch_call_dummy_p (gdbarch, 1);
set_gdbarch_use_generic_dummy_frames (gdbarch, 1);
@@ -1071,6 +1101,38 @@ mcore_gdbarch_init (struct gdbarch_info info, struct gdbarch_list *arches)
set_gdbarch_save_dummy_frame_tos (gdbarch, generic_save_dummy_frame_tos);
set_gdbarch_pc_in_call_dummy (gdbarch, generic_pc_in_call_dummy);
set_gdbarch_call_dummy_stack_adjust_p (gdbarch, 0);
set_gdbarch_saved_pc_after_call (gdbarch, mcore_saved_pc_after_call);
set_gdbarch_function_start_offset (gdbarch, 0);
set_gdbarch_decr_pc_after_break (gdbarch, 0);
set_gdbarch_breakpoint_from_pc (gdbarch, mcore_breakpoint_from_pc);
set_gdbarch_push_return_address (gdbarch, mcore_push_return_address);
set_gdbarch_push_dummy_frame (gdbarch, generic_push_dummy_frame);
set_gdbarch_push_arguments (gdbarch, mcore_push_arguments);
/* Frames: */
set_gdbarch_init_extra_frame_info (gdbarch, mcore_init_extra_frame_info);
set_gdbarch_frame_chain (gdbarch, mcore_frame_chain);
set_gdbarch_frame_chain_valid (gdbarch, generic_file_frame_chain_valid);
set_gdbarch_frame_init_saved_regs (gdbarch, mcore_frame_init_saved_regs);
set_gdbarch_frame_saved_pc (gdbarch, mcore_frame_saved_pc);
set_gdbarch_store_return_value (gdbarch, mcore_store_return_value);
set_gdbarch_deprecated_extract_return_value (gdbarch,
mcore_extract_return_value);
set_gdbarch_store_struct_return (gdbarch, mcore_store_struct_return);
set_gdbarch_deprecated_extract_struct_value_address (gdbarch,
mcore_extract_struct_value_address);
set_gdbarch_skip_prologue (gdbarch, mcore_skip_prologue);
set_gdbarch_frame_args_skip (gdbarch, 0);
set_gdbarch_frame_args_address (gdbarch, mcore_frame_args_address);
set_gdbarch_frame_locals_address (gdbarch, mcore_frame_locals_address);
set_gdbarch_frame_num_args (gdbarch, frame_num_args_unknown);
set_gdbarch_pop_frame (gdbarch, mcore_pop_frame);
/* Misc.: */
/* Stack grows down. */
set_gdbarch_inner_than (gdbarch, core_addr_lessthan);
return gdbarch;
}