#include "defs.h"
#include "arch-utils.h"
#include "gdbcore.h"
#include "regcache.h"
#include "osabi.h"
#include "i386-tdep.h"
#include "i387-tdep.h"
void _initialize_i386obsd_tdep (void);
#define SIZEOF_STRUCT_REG (16 * 4)
static void
i386obsd_supply_reg (char *regs, int regno)
{
int i;
for (i = 0; i <= 15; i++)
if (regno == i || regno == -1)
supply_register (i, regs + i * 4);
}
static void
fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
CORE_ADDR ignore)
{
char *regs, *fsave;
if (which != 0)
return;
if (core_reg_size < (SIZEOF_STRUCT_REG + 108))
{
warning ("Wrong size register set in core file.");
return;
}
regs = core_reg_sect;
fsave = core_reg_sect + SIZEOF_STRUCT_REG;
i386obsd_supply_reg (regs, -1);
i387_supply_fsave (fsave);
}
static struct core_fns i386obsd_core_fns =
{
bfd_target_unknown_flavour,
default_check_format,
default_core_sniffer,
fetch_core_registers,
NULL
};
CORE_ADDR i386obsd_sigtramp_start = 0xbfbfdf20;
CORE_ADDR i386obsd_sigtramp_end = 0xbfbfdff0;
int i386obsd_sc_pc_offset = 44;
int i386obsd_sc_sp_offset = 56;
static void
i386obsd_init_abi (struct gdbarch_info info, struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
i386bsd_init_abi (info, gdbarch);
tdep->struct_return = reg_struct_return;
tdep->sigtramp_start = i386obsd_sigtramp_start;
tdep->sigtramp_end = i386obsd_sigtramp_end;
tdep->sc_pc_offset = i386obsd_sc_pc_offset;
tdep->sc_sp_offset = i386obsd_sc_sp_offset;
}
void
_initialize_i386obsd_tdep (void)
{
add_core_fns (&i386obsd_core_fns);
#define GDB_OSABI_OPENBSD_AOUT GDB_OSABI_NETBSD_AOUT
gdbarch_register_osabi (bfd_arch_i386, 0, GDB_OSABI_OPENBSD_AOUT,
i386obsd_init_abi);
}