darling-gdb/gdb/gdbserver/linux-m32r-low.c
Pedro Alves c14dfd3206 2012-03-28 Pedro Alves <palves@redhat.com>
* linux-ia64-low.c (ia64_regmap): Map IA64_EC_REGNUM to PT_AR_EC.
	(IA64_GR0_REGNUM, IA64_FR0_REGNUM)
	(IA64_FR1_REGNUM): New defines.
	(ia64_fetch_register): New.
	(the_low_target): Install it.
	* linux-low.h (struct linux_target_ops) <fetch_register>: New
	field.
	* linux-low.c (linux_fetch_registers): Try the
	the_low_target.fetch_register hook first.

	* linux-arm-low.c (the_low_target): Adjust.
	* linux-bfin-low.c (the_low_target): Adjust.
	* linux-cris-low.c (the_low_target): Adjust.
	* linux-crisv32-low.c (the_low_target): Adjust.
	* linux-m32r-low.c (the_low_target): Adjust.
	* linux-m68k-low.c (the_low_target): Adjust.
	* linux-mips-low.c (the_low_target): Adjust.
	* linux-ppc-low.c (the_low_target): Adjust.
	* linux-s390-low.c (the_low_target): Adjust.
	* linux-sh-low.c (the_low_target): Adjust.
	* linux-sparc-low.c (the_low_target): Adjust.
	* linux-tic6x-low.c (the_low_target): Adjust.
	* linux-x86-low.c (the_low_target): Adjust.
	* linux-xtensa-low.c (the_low_target): Adjust.
2012-03-28 18:30:01 +00:00

106 lines
2.7 KiB
C

/* GNU/Linux/m32r specific low level interface, for the remote server for GDB.
Copyright (C) 2005, 2007-2012 Free Software Foundation, Inc.
This file is part of GDB.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>. */
#include "server.h"
#include "linux-low.h"
#ifdef HAVE_SYS_REG_H
#include <sys/reg.h>
#endif
/* Defined in auto-generated file reg-m32r.c. */
void init_registers_m32r (void);
#define m32r_num_regs 25
static int m32r_regmap[] = {
#ifdef PT_R0
PT_R0, PT_R1, PT_R2, PT_R3, PT_R4, PT_R5, PT_R6, PT_R7,
PT_R8, PT_R9, PT_R10, PT_R11, PT_R12, PT_FP, PT_LR, PT_SPU,
PT_PSW, PT_CBR, PT_SPI, PT_SPU, PT_BPC, PT_PC, PT_ACCL, PT_ACCH, PT_EVB
#else
4 * 4, 4 * 5, 4 * 6, 4 * 7, 4 * 0, 4 * 1, 4 * 2, 4 * 8,
4 * 9, 4 * 10, 4 * 11, 4 * 12, 4 * 13, 4 * 24, 4 * 25, 4 * 23,
4 * 19, 4 * 31, 4 * 26, 4 * 23, 4 * 20, 4 * 30, 4 * 16, 4 * 15, 4 * 32
#endif
};
static int
m32r_cannot_store_register (int regno)
{
return (regno >= m32r_num_regs);
}
static int
m32r_cannot_fetch_register (int regno)
{
return (regno >= m32r_num_regs);
}
static CORE_ADDR
m32r_get_pc (struct regcache *regcache)
{
unsigned long pc;
collect_register_by_name (regcache, "pc", &pc);
if (debug_threads)
fprintf (stderr, "stop pc is %08lx\n", pc);
return pc;
}
static void
m32r_set_pc (struct regcache *regcache, CORE_ADDR pc)
{
unsigned long newpc = pc;
supply_register_by_name (regcache, "pc", &newpc);
}
static const unsigned short m32r_breakpoint = 0x10f1;
#define m32r_breakpoint_len 2
static int
m32r_breakpoint_at (CORE_ADDR where)
{
unsigned short insn;
(*the_target->read_memory) (where, (unsigned char *) &insn,
m32r_breakpoint_len);
if (insn == m32r_breakpoint)
return 1;
/* If necessary, recognize more trap instructions here. GDB only uses the
one. */
return 0;
}
struct linux_target_ops the_low_target = {
init_registers_m32r,
m32r_num_regs,
m32r_regmap,
NULL,
m32r_cannot_fetch_register,
m32r_cannot_store_register,
NULL, /* fetch_register */
m32r_get_pc,
m32r_set_pc,
(const unsigned char *) &m32r_breakpoint,
m32r_breakpoint_len,
NULL,
0,
m32r_breakpoint_at,
};