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[deliverable/binutils-gdb.git] / gdb / alpha-osf1-tdep.c

diff --git a/gdb/alpha-osf1-tdep.c b/gdb/alpha-osf1-tdep.c
index 97ac6fb1e741a73deb7344903cb956524e63ff50..67c56cf9d36bb2064a9079416b83bb970ace2f5d 100644 (file)
--- a/gdb/alpha-osf1-tdep.c
+++ b/gdb/alpha-osf1-tdep.c
@@ -20,6 +20,7 @@
 
 #include "defs.h"
 #include "frame.h"
+#include "gdbcore.h"
 #include "value.h"
 
 #include "alpha-tdep.h"
@@ -37,13 +38,32 @@ alpha_osf1_skip_sigtramp_frame (struct frame_info *frame, CORE_ADDR pc)
   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);
+
   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