/* Target-dependent code for the Mitsubishi m32r for GDB, the GNU debugger.
- Copyright 1996, Free Software Foundation, Inc.
+
+ Copyright 1996, 1998, 1999, 2000, 2001, 2003 Free Software
+ Foundation, Inc.
This file is part of GDB.
#include "defs.h"
#include "frame.h"
#include "inferior.h"
-#include "obstack.h"
#include "target.h"
#include "value.h"
#include "bfd.h"
#include "gdb_string.h"
#include "gdbcore.h"
#include "symfile.h"
+#include "regcache.h"
/* Function: m32r_use_struct_convention
Return nonzero if call_function should allocate stack space for a
struct return? */
int
-m32r_use_struct_convention (gcc_p, type)
- int gcc_p;
- struct type *type;
+m32r_use_struct_convention (int gcc_p, struct type *type)
{
return (TYPE_LENGTH (type) > 8);
}
an empty frame_saved_regs, so I guess that's better than total failure */
void
-m32r_frame_find_saved_regs (fi, regaddr)
- struct frame_info *fi;
- struct frame_saved_regs *regaddr;
+m32r_frame_find_saved_regs (struct frame_info *fi,
+ struct frame_saved_regs *regaddr)
{
memcpy (regaddr, &fi->fsr, sizeof (struct frame_saved_regs));
}
{
printf_filtered (" %s %08x %08x ",
commnt, (unsigned int) pc, (unsigned int) insn);
- (*tm_print_insn) (pc, &tm_print_insn_info);
+ TARGET_PRINT_INSN (pc, &tm_print_insn_info);
printf_filtered ("\n");
}
#define insn_debug(args) { printf_filtered args; }
*/
static void
-decode_prologue (start_pc, scan_limit,
- pl_endptr, framelength,
- fi, fsr)
- CORE_ADDR start_pc;
- CORE_ADDR scan_limit;
- CORE_ADDR *pl_endptr; /* var parameter */
- unsigned long *framelength;
- struct frame_info *fi;
- struct frame_saved_regs *fsr;
+decode_prologue (CORE_ADDR start_pc, CORE_ADDR scan_limit, CORE_ADDR *pl_endptr, /* var parameter */
+ unsigned long *framelength, struct frame_info *fi,
+ struct frame_saved_regs *fsr)
{
unsigned long framesize;
int insn;
Find end of function prologue */
CORE_ADDR
-m32r_skip_prologue (pc)
- CORE_ADDR pc;
+m32r_skip_prologue (CORE_ADDR pc)
{
CORE_ADDR func_addr, func_end;
struct symtab_and_line sal;
}
static unsigned long
-m32r_scan_prologue (fi, fsr)
- struct frame_info *fi;
- struct frame_saved_regs *fsr;
+m32r_scan_prologue (struct frame_info *fi, struct frame_saved_regs *fsr)
{
struct symtab_and_line sal;
CORE_ADDR prologue_start, prologue_end, current_pc;
examine the prologue. */
void
-m32r_init_extra_frame_info (fi)
- struct frame_info *fi;
+m32r_init_extra_frame_info (struct frame_info *fi)
{
int reg;
memset (fi->fsr.regs, '\000', sizeof fi->fsr.regs);
- if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
+ if (DEPRECATED_PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
{
/* We need to setup fi->frame here because run_stack_dummy gets it wrong
by assuming it's always FP. */
- fi->frame = generic_read_register_dummy (fi->pc, fi->frame, SP_REGNUM);
+ fi->frame = deprecated_read_register_dummy (fi->pc, fi->frame,
+ SP_REGNUM);
fi->framesize = 0;
return;
}
}
}
-/* Function: mn10300_virtual_frame_pointer
+/* Function: m32r_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
any frame pointer offsets. */
void
-m32r_virtual_frame_pointer (pc, reg, offset)
- CORE_ADDR pc;
- long *reg;
- long *offset;
+m32r_virtual_frame_pointer (CORE_ADDR pc, long *reg, long *offset)
{
- struct frame_info fi;
+ struct frame_info *fi = deprecated_frame_xmalloc ();
+ struct cleanup *old_chain = make_cleanup (xfree, fi);
/* Set up a dummy frame_info. */
- fi.next = NULL;
- fi.prev = NULL;
- fi.frame = 0;
- fi.pc = pc;
+ fi->next = NULL;
+ fi->prev = NULL;
+ fi->frame = 0;
+ fi->pc = pc;
/* Analyze the prolog and fill in the extra info. */
- m32r_init_extra_frame_info (&fi);
-
+ m32r_init_extra_frame_info (fi);
/* Results will tell us which type of frame it uses. */
- if (fi.using_frame_pointer)
+ if (fi->using_frame_pointer)
{
*reg = FP_REGNUM;
*offset = 0;
*reg = SP_REGNUM;
*offset = 0;
}
+ do_cleanups (old_chain);
}
/* Function: find_callers_reg
caller-saves registers for an inner frame. */
CORE_ADDR
-m32r_find_callers_reg (fi, regnum)
- struct frame_info *fi;
- int regnum;
+m32r_find_callers_reg (struct frame_info *fi, int regnum)
{
for (; fi; fi = fi->next)
- if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
- return generic_read_register_dummy (fi->pc, fi->frame, regnum);
+ if (DEPRECATED_PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
+ return deprecated_read_register_dummy (fi->pc, fi->frame, regnum);
else if (fi->fsr.regs[regnum] != 0)
return read_memory_integer (fi->fsr.regs[regnum],
REGISTER_RAW_SIZE (regnum));
return read_register (regnum);
}
-/* Function: frame_chain
- Given a GDB frame, determine the address of the calling function's frame.
- This will be used to create a new GDB frame struct, and then
- INIT_EXTRA_FRAME_INFO and INIT_FRAME_PC will be called for the new frame.
- For m32r, we save the frame size when we initialize the frame_info. */
+/* Function: frame_chain Given a GDB frame, determine the address of
+ the calling function's frame. This will be used to create a new
+ GDB frame struct, and then INIT_EXTRA_FRAME_INFO and
+ DEPRECATED_INIT_FRAME_PC will be called for the new frame. For
+ m32r, we save the frame size when we initialize the frame_info. */
CORE_ADDR
-m32r_frame_chain (fi)
- struct frame_info *fi;
+m32r_frame_chain (struct frame_info *fi)
{
CORE_ADDR fn_start, callers_pc, fp;
/* is this a dummy frame? */
- if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
+ if (DEPRECATED_PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
return fi->frame; /* dummy frame same as caller's frame */
/* is caller-of-this a dummy frame? */
callers_pc = FRAME_SAVED_PC (fi); /* find out who called us: */
fp = m32r_find_callers_reg (fi, FP_REGNUM);
- if (PC_IN_CALL_DUMMY (callers_pc, fp, fp))
+ if (DEPRECATED_PC_IN_CALL_DUMMY (callers_pc, fp, fp))
return fp; /* dummy frame's frame may bear no relation to ours */
if (find_pc_partial_function (fi->pc, 0, &fn_start, 0))
(ie. when using an empty CALL_DUMMY) */
CORE_ADDR
-m32r_push_return_address (pc, sp)
- CORE_ADDR pc;
- CORE_ADDR sp;
+m32r_push_return_address (CORE_ADDR pc, CORE_ADDR sp)
{
write_register (RP_REGNUM, CALL_DUMMY_ADDRESS ());
return sp;
restoring all saved registers. */
struct frame_info *
-m32r_pop_frame (frame)
- struct frame_info *frame;
+m32r_pop_frame (struct frame_info *frame)
{
int regnum;
- if (PC_IN_CALL_DUMMY (frame->pc, frame->frame, frame->frame))
+ if (DEPRECATED_PC_IN_CALL_DUMMY (frame->pc, frame->frame, frame->frame))
generic_pop_dummy_frame ();
else
{
in the stack anywhere, otherwise we get it from the registers. */
CORE_ADDR
-m32r_frame_saved_pc (fi)
- struct frame_info *fi;
+m32r_frame_saved_pc (struct frame_info *fi)
{
- if (PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
- return generic_read_register_dummy (fi->pc, fi->frame, PC_REGNUM);
+ if (DEPRECATED_PC_IN_CALL_DUMMY (fi->pc, fi->frame, fi->frame))
+ return deprecated_read_register_dummy (fi->pc, fi->frame, PC_REGNUM);
else
return m32r_find_callers_reg (fi, RP_REGNUM);
}
passed as an implicit first argument, always in R0. */
CORE_ADDR
-m32r_push_arguments (nargs, args, sp, struct_return, struct_addr)
- int nargs;
- value_ptr *args;
- CORE_ADDR sp;
- unsigned char struct_return;
- CORE_ADDR struct_addr;
+m32r_push_arguments (int nargs, struct value **args, CORE_ADDR sp,
+ unsigned char struct_return, CORE_ADDR struct_addr)
{
int stack_offset, stack_alloc;
int argreg;
is the target of the target function call. */
void
-m32r_fix_call_dummy (dummy, pc, fun, nargs, args, type, gcc_p)
- char *dummy;
- CORE_ADDR pc;
- CORE_ADDR fun;
- int nargs;
- value_ptr *args;
- struct type *type;
- int gcc_p;
+m32r_fix_call_dummy (char *dummy, CORE_ADDR pc, CORE_ADDR fun, int nargs,
+ struct value **args, struct type *type, int gcc_p)
{
/* ld24 r8, <(imm24) fun> */
*(unsigned long *) (dummy) = (fun & 0x00ffffff) | 0xe8000000;
we must actually write one of those two as well, depending on PSW. */
void
-m32r_write_sp (val)
- CORE_ADDR val;
+m32r_write_sp (CORE_ADDR val)
{
unsigned long psw = read_register (PSW_REGNUM);
}
void
-_initialize_m32r_tdep ()
+_initialize_m32r_tdep (void)
{
tm_print_insn = print_insn_m32r;
}
projects / deliverable / binutils-gdb.git / blobdiff