#include "defs.h"
#include "frame.h"
+#include "gdbcore.h"
#include "value.h"
#include "alpha-tdep.h"
return 0;
}
+static int
+alpha_osf1_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
+{
+ return (func_name != NULL && STREQ ("__sigtramp", func_name));
+}
+
+static CORE_ADDR
+alpha_osf1_sigcontext_addr (struct frame_info *frame)
+{
+ return (read_memory_integer (frame->next ? frame->next->frame
+ : frame->frame, 8));
+}
+
static void
alpha_osf1_init_abi (struct gdbarch_info info,
struct gdbarch *gdbarch)
{
struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
+ set_gdbarch_pc_in_sigtramp (gdbarch, alpha_osf1_pc_in_sigtramp);
+ /* The next/step support via procfs on OSF1 is broken when running
+ on multi-processor machines. We need to use software single stepping
+ instead. */
+ set_gdbarch_software_single_step (gdbarch, alpha_software_single_step);
+
tdep->skip_sigtramp_frame = alpha_osf1_skip_sigtramp_frame;
+ tdep->sigcontext_addr = alpha_osf1_sigcontext_addr;
+
+ tdep->jb_pc = 2;
+ tdep->jb_elt_size = 8;
}
void
_initialize_alpha_osf1_tdep (void)
{
- alpha_gdbarch_register_os_abi (ALPHA_ABI_OSF1, alpha_osf1_init_abi);
+ gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_OSF1,
+ alpha_osf1_init_abi);
}