#include "defs.h"
#include "value.h"
#include "osabi.h"
#include "alpha-tdep.h"
static int
alphafbsd_use_struct_convention (int gcc_p, struct type *type)
{
enum type_code code;
int i;
if (TYPE_LENGTH (type) > ALPHA_REGISTER_SIZE)
return 1;
code = TYPE_CODE (type);
if (code != TYPE_CODE_STRUCT && code != TYPE_CODE_UNION)
return 1;
for (i = 0; i < TYPE_NFIELDS (type); i++)
{
if (TYPE_FIELD_BITPOS (type, i) != 0
&& TYPE_FIELD_BITSIZE (type, i) == 0)
return 1;
}
return 0;
}
CORE_ADDR alphafbsd_sigtramp_start = 0x11ffff68;
CORE_ADDR alphafbsd_sigtramp_end = 0x11ffffe0;
static int
alphafbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
{
return (pc >= alphafbsd_sigtramp_start && pc < alphafbsd_sigtramp_end);
}
static LONGEST
alphafbsd_sigtramp_offset (CORE_ADDR pc)
{
return pc - alphafbsd_sigtramp_start;
}
static CORE_ADDR
alphafbsd_sigcontext_addr (struct frame_info *next_frame)
{
return frame_unwind_register_unsigned (next_frame, ALPHA_SP_REGNUM) + 24;
}
static void
alphafbsd_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
alpha_dwarf2_init_abi (info, gdbarch);
alpha_mdebug_init_abi (info, gdbarch);
set_gdbarch_deprecated_use_struct_convention (gdbarch, alphafbsd_use_struct_convention);
tdep->dynamic_sigtramp_offset = alphafbsd_sigtramp_offset;
tdep->sigcontext_addr = alphafbsd_sigcontext_addr;
tdep->pc_in_sigtramp = alphafbsd_pc_in_sigtramp;
tdep->sc_pc_offset = 288;
tdep->sc_regs_offset = 24;
tdep->sc_fpregs_offset = 320;
tdep->jb_pc = 2;
tdep->jb_elt_size = 8;
}
void _initialize_alphafbsd_tdep (void);
void
_initialize_alphafbsd_tdep (void)
{
gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_FREEBSD_ELF,
alphafbsd_init_abi);
}