/* Target-dependent code for GNU/Linux on Alpha.
- Copyright 2002 Free Software Foundation, Inc.
+ Copyright 2002, 2003 Free Software Foundation, Inc.
This file is part of GDB.
Boston, MA 02111-1307, USA. */
#include "defs.h"
+#include "frame.h"
+#include "gdbcore.h"
#include "value.h"
+#include "osabi.h"
#include "alpha-tdep.h"
middle of the designated sequence, in which case there is no
guarantee that we are in the middle of a sigreturn syscall. Don't
think this will be a problem in praxis, though. */
-long
+LONGEST
alpha_linux_sigtramp_offset (CORE_ADDR pc)
{
unsigned int i[3], w;
return -1;
}
+static int
+alpha_linux_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
+{
+ return (alpha_linux_sigtramp_offset (pc) >= 0);
+}
+
+static CORE_ADDR
+alpha_linux_sigcontext_addr (struct frame_info *frame)
+{
+ return (get_frame_base (frame) - 0x298); /* sizeof(struct sigcontext) */
+}
+
static void
alpha_linux_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
- /* Place holder. */
+ struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+
+ set_gdbarch_pc_in_sigtramp (gdbarch, alpha_linux_pc_in_sigtramp);
+
+ tdep->dynamic_sigtramp_offset = alpha_linux_sigtramp_offset;
+ tdep->sigcontext_addr = alpha_linux_sigcontext_addr;
+
+ tdep->jb_pc = 2;
+ tdep->jb_elt_size = 8;
}
void
_initialize_alpha_linux_tdep (void)
{
- alpha_gdbarch_register_os_abi (ALPHA_ABI_LINUX, alpha_linux_init_abi);
+ gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_LINUX,
+ alpha_linux_init_abi);
}