2003-10-06 Andrew Cagney <cagney@redhat.com>

[deliverable/binutils-gdb.git] / gdb / alphanbsd-tdep.c

diff --git a/gdb/alphanbsd-tdep.c b/gdb/alphanbsd-tdep.c
index a3a1f532a03f407e9bb27cf13c61e97d9c283615..efb7ab9b47d27320694bcbf55b36b0061453d6bc 100644 (file)
--- a/gdb/alphanbsd-tdep.c
+++ b/gdb/alphanbsd-tdep.c
@@ -1,5 +1,5 @@
 /* Target-dependent code for NetBSD/Alpha.
-   Copyright 2002 Free Software Foundation, Inc.
+   Copyright 2002, 2003 Free Software Foundation, Inc.
    Contributed by Wasabi Systems, Inc.
 
    This file is part of GDB.
@@ -21,8 +21,10 @@
 
 #include "defs.h"
 #include "gdbcore.h"
+#include "frame.h"
 #include "regcache.h"
 #include "value.h"
+#include "osabi.h"
 
 #include "solib-svr4.h"
 
@@ -68,7 +70,6 @@ fetch_core_registers (char *core_reg_sect, unsigned core_reg_size, int which,
   for (regno = 0; regno < ALPHA_ZERO_REGNUM; regno++)
     supply_register (regno, regs + (regmap[regno] * 8));
   supply_register (ALPHA_ZERO_REGNUM, NULL);
-  supply_register (FP_REGNUM, NULL);
   supply_register (PC_REGNUM, regs + (28 * 8));
 
   /* Floating point registers.  */
@@ -182,12 +183,27 @@ alphanbsd_pc_in_sigtramp (CORE_ADDR pc, char *func_name)
          || alphanbsd_sigtramp_offset (pc) >= 0);
 }
 
+static CORE_ADDR
+alphanbsd_sigcontext_addr (struct frame_info *frame)
+{
+  /* FIXME: This is not correct for all versions of NetBSD/alpha.
+     We will probably need to disassemble the trampoline to figure
+     out which trampoline frame type we have.  */
+  return get_frame_base (frame);
+}
+
 static void
 alphanbsd_init_abi (struct gdbarch_info info,
                     struct gdbarch *gdbarch)
 {
   struct gdbarch_tdep *tdep = gdbarch_tdep (gdbarch);
 
+  /* Hook into the DWARF CFI frame unwinder.  */
+  alpha_dwarf2_init_abi (info, gdbarch);
+
+  /* Hook into the MDEBUG frame unwinder.  */
+  alpha_mdebug_init_abi (info, gdbarch);
+
   set_gdbarch_pc_in_sigtramp (gdbarch, alphanbsd_pc_in_sigtramp);
 
   /* NetBSD/alpha does not provide single step support via ptrace(2); we
@@ -198,6 +214,7 @@ alphanbsd_init_abi (struct gdbarch_info info,
                                  nbsd_lp64_solib_svr4_fetch_link_map_offsets);
 
   tdep->dynamic_sigtramp_offset = alphanbsd_sigtramp_offset;
+  tdep->sigcontext_addr = alphanbsd_sigcontext_addr;
 
   tdep->jb_pc = 2;
   tdep->jb_elt_size = 8;
@@ -206,7 +223,7 @@ alphanbsd_init_abi (struct gdbarch_info info,
 void
 _initialize_alphanbsd_tdep (void)
 {
-  gdbarch_register_osabi (bfd_arch_alpha, GDB_OSABI_NETBSD_ELF,
+  gdbarch_register_osabi (bfd_arch_alpha, 0, GDB_OSABI_NETBSD_ELF,
                           alphanbsd_init_abi);
 
   add_core_fns (&alphanbsd_core_fns);