#include "defs.h"
#include "gdbcore.h"
#include "regcache.h"
#include "value.h"
#include "osabi.h"
#include "solib-svr4.h"
#include "nbsd-tdep.h"
#include "sh-tdep.h"
#include "shnbsd-tdep.h"
static const int regmap[] =
{
(20 * 4),
(19 * 4),
(18 * 4),
(17 * 4),
(16 * 4),
(15 * 4),
(14 * 4),
(13 * 4),
(12 * 4),
(11 * 4),
(10 * 4),
( 9 * 4),
( 8 * 4),
( 7 * 4),
( 6 * 4),
( 5 * 4),
};
#define SIZEOF_STRUCT_REG (21 * 4)
void
shnbsd_supply_reg (char *regs, int regno)
{
int i;
if (regno == PC_REGNUM || regno == -1)
supply_register (PC_REGNUM, regs + (0 * 4));
if (regno == SR_REGNUM || regno == -1)
supply_register (SR_REGNUM, regs + (1 * 4));
if (regno == PR_REGNUM || regno == -1)
supply_register (PR_REGNUM, regs + (2 * 4));
if (regno == MACH_REGNUM || regno == -1)
supply_register (MACH_REGNUM, regs + (3 * 4));
if (regno == MACL_REGNUM || regno == -1)
supply_register (MACL_REGNUM, regs + (4 * 4));
if ((regno >= R0_REGNUM && regno <= (R0_REGNUM + 15)) || regno == -1)
{
for (i = R0_REGNUM; i <= (R0_REGNUM + 15); i++)
if (regno == i || regno == -1)
supply_register (i, regs + regmap[i - R0_REGNUM]);
}
}
void
shnbsd_fill_reg (char *regs, int regno)
{
int i;
if (regno == PC_REGNUM || regno == -1)
regcache_collect (PC_REGNUM, regs + (0 * 4));
if (regno == SR_REGNUM || regno == -1)
regcache_collect (SR_REGNUM, regs + (1 * 4));
if (regno == PR_REGNUM || regno == -1)
regcache_collect (PR_REGNUM, regs + (2 * 4));
if (regno == MACH_REGNUM || regno == -1)
regcache_collect (MACH_REGNUM, regs + (3 * 4));
if (regno == MACL_REGNUM || regno == -1)
regcache_collect (MACL_REGNUM, regs + (4 * 4));
if ((regno >= R0_REGNUM && regno <= (R0_REGNUM + 15)) || regno == -1)
{
for (i = R0_REGNUM; i <= (R0_REGNUM + 15); i++)
if (regno == i || regno == -1)
regcache_collect (i, regs + regmap[i - R0_REGNUM]);
}
}
static void
fetch_core_registers (char *core_reg_sect, unsigned core_reg_size,
int which, CORE_ADDR ignore)
{
if (which != 0)
return;
if (core_reg_size < SIZEOF_STRUCT_REG)
{
warning ("Wrong size register set in core file.");
return;
}
shnbsd_supply_reg (core_reg_sect, -1);
}
static void
fetch_elfcore_registers (char *core_reg_sect, unsigned core_reg_size,
int which, CORE_ADDR ignore)
{
switch (which)
{
case 0:
if (core_reg_size != SIZEOF_STRUCT_REG)
warning ("Wrong size register set in core file.");
else
shnbsd_supply_reg (core_reg_sect, -1);
break;
default:
break;
}
}
static struct core_fns shnbsd_core_fns =
{
bfd_target_unknown_flavour,
default_check_format,
default_core_sniffer,
fetch_core_registers,
NULL
};
static struct core_fns shnbsd_elfcore_fns =
{
bfd_target_elf_flavour,
default_check_format,
default_core_sniffer,
fetch_elfcore_registers,
NULL
};
static int
shnbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
{
return (nbsd_pc_in_sigtramp (pc, func_name));
}
static void
shnbsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
set_gdbarch_pc_in_sigtramp (gdbarch, shnbsd_pc_in_sigtramp);
set_solib_svr4_fetch_link_map_offsets (gdbarch,
nbsd_ilp32_solib_svr4_fetch_link_map_offsets);
}
void
_initialize_shnbsd_tdep (void)
{
add_core_fns (&shnbsd_core_fns);
add_core_fns (&shnbsd_elfcore_fns);
gdbarch_register_osabi (bfd_arch_sh, 0, GDB_OSABI_NETBSD_ELF,
shnbsd_init_abi);
}