/* Target-dependent code for Renesas M32R, for GDB.
- Copyright (C) 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005 Free
- Software Foundation, Inc.
+ Copyright (C) 1996, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2007
+ Free Software Foundation, Inc.
This file is part of GDB.
The following functions take care of this behavior. */
static int
-m32r_memory_insert_breakpoint (CORE_ADDR addr, bfd_byte *contents_cache)
+m32r_memory_insert_breakpoint (struct bp_target_info *bp_tgt)
{
+ CORE_ADDR addr = bp_tgt->placed_address;
int val;
gdb_byte buf[4];
+ gdb_byte *contents_cache = bp_tgt->shadow_contents;
gdb_byte bp_entry[] = { 0x10, 0xf1 }; /* dpt */
/* Save the memory contents. */
if (val != 0)
return val; /* return error */
+ bp_tgt->placed_size = bp_tgt->shadow_len = 4;
+
/* Determine appropriate breakpoint contents and size for this address. */
- if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
{
if ((addr & 3) == 0)
{
}
static int
-m32r_memory_remove_breakpoint (CORE_ADDR addr, bfd_byte *contents_cache)
+m32r_memory_remove_breakpoint (struct bp_target_info *bp_tgt)
{
+ CORE_ADDR addr = bp_tgt->placed_address;
int val;
gdb_byte buf[4];
+ gdb_byte *contents_cache = bp_tgt->shadow_contents;
buf[0] = contents_cache[0];
buf[1] = contents_cache[1];
buf[3] = contents_cache[3];
/* Remove parallel bit. */
- if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
{
if ((buf[0] & 0x80) == 0 && (buf[2] & 0x80) != 0)
buf[2] &= 0x7f;
gdb_byte *bp;
/* Determine appropriate breakpoint. */
- if (TARGET_BYTE_ORDER == BFD_ENDIAN_BIG)
+ if (gdbarch_byte_order (current_gdbarch) == BFD_ENDIAN_BIG)
{
if ((*pcptr & 3) == 0)
{
info->uses_frame = 0;
scan_limit = frame_pc_unwind (next_frame);
- for (pc = frame_func_unwind (next_frame);
+ for (pc = frame_func_unwind (next_frame, NORMAL_FRAME);
pc > 0 && pc < scan_limit; pc += 2)
{
if ((pc & 2) == 0)
/* Adjust all the saved registers so that they contain addresses and
not offsets. */
- for (i = 0; i < NUM_REGS - 1; i++)
+ for (i = 0; i < gdbarch_num_regs (current_gdbarch) - 1; i++)
if (trad_frame_addr_p (info->saved_regs, i))
info->saved_regs[i].addr = (info->prev_sp + info->saved_regs[i].addr);
}
static CORE_ADDR
-m32r_read_pc (ptid_t ptid)
+m32r_read_pc (struct regcache *regcache)
{
- ptid_t save_ptid;
ULONGEST pc;
-
- save_ptid = inferior_ptid;
- inferior_ptid = ptid;
- regcache_cooked_read_unsigned (current_regcache, M32R_PC_REGNUM, &pc);
- inferior_ptid = save_ptid;
+ regcache_cooked_read_unsigned (regcache, M32R_PC_REGNUM, &pc);
return pc;
}
static void
-m32r_write_pc (CORE_ADDR val, ptid_t ptid)
+m32r_write_pc (struct regcache *regcache, CORE_ADDR val)
{
- ptid_t save_ptid;
-
- save_ptid = inferior_ptid;
- inferior_ptid = ptid;
- write_register (M32R_PC_REGNUM, val);
- inferior_ptid = save_ptid;
+ regcache_cooked_write_unsigned (regcache, M32R_PC_REGNUM, val);
}
static CORE_ADDR
struct frame_id id;
/* The FUNC is easy. */
- func = frame_func_unwind (next_frame);
+ func = frame_func_unwind (next_frame, NORMAL_FRAME);
/* Check if the stack is empty. */
msym_stack = lookup_minimal_symbol ("_stack", NULL, NULL);
/* Hook in the default unwinders. */
frame_unwind_append_sniffer (gdbarch, m32r_frame_sniffer);
+ /* Support simple overlay manager. */
+ set_gdbarch_overlay_update (gdbarch, simple_overlay_update);
+
return gdbarch;
}