* gdbarch.sh (PS_REGNUM): Add. Document. Default to -1.

[deliverable/binutils-gdb.git] / gdb / gdbarch.c

diff --git a/gdb/gdbarch.c b/gdb/gdbarch.c
index 90118d6e41fe6fc5febc9c704fcf34d1395075e0..fa9054bc57fc539aa573766c6599f26a5a11a76a 100644 (file)
--- a/gdb/gdbarch.c
+++ b/gdb/gdbarch.c
@@ -151,6 +151,7 @@ struct gdbarch
   int sp_regnum;
   int fp_regnum;
   int pc_regnum;
+  int ps_regnum;
   int fp0_regnum;
   int npc_regnum;
   int nnpc_regnum;
@@ -296,6 +297,7 @@ struct gdbarch startup_gdbarch =
   0,
   0,
   0,
+  -1,
   0,
   0,
   0,
@@ -459,6 +461,7 @@ gdbarch_alloc (const struct gdbarch_info *info,
   current_gdbarch->sp_regnum = -1;
   current_gdbarch->fp_regnum = -1;
   current_gdbarch->pc_regnum = -1;
+  current_gdbarch->ps_regnum = -1;
   current_gdbarch->fp0_regnum = -1;
   current_gdbarch->npc_regnum = -1;
   current_gdbarch->nnpc_regnum = -1;
@@ -592,6 +595,7 @@ verify_gdbarch (struct gdbarch *gdbarch)
   if ((GDB_MULTI_ARCH > GDB_MULTI_ARCH_PARTIAL)
       && (gdbarch->pc_regnum == -1))
     fprintf_unfiltered (log, "\n\tpc_regnum");
+  /* Skip verify of ps_regnum, invalid_p == 0 */
   /* Skip verify of fp0_regnum, invalid_p == 0 */
   /* Skip verify of npc_regnum, invalid_p == 0 */
   /* Skip verify of nnpc_regnum, invalid_p == 0 */
@@ -1532,6 +1536,14 @@ gdbarch_dump (struct gdbarch *gdbarch, struct ui_file *file)
                         (long) current_gdbarch->prologue_frameless_p
                         /*PROLOGUE_FRAMELESS_P ()*/);
 #endif
+#ifdef PS_REGNUM
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: PS_REGNUM # %s\n",
+                      XSTRING (PS_REGNUM));
+  fprintf_unfiltered (file,
+                      "gdbarch_dump: PS_REGNUM = %d\n",
+                      PS_REGNUM);
+#endif
 #ifdef PUSH_ARGUMENTS
   fprintf_unfiltered (file,
                       "gdbarch_dump: %s # %s\n",
@@ -2586,6 +2598,22 @@ set_gdbarch_pc_regnum (struct gdbarch *gdbarch,
   gdbarch->pc_regnum = pc_regnum;
 }
 
+int
+gdbarch_ps_regnum (struct gdbarch *gdbarch)
+{
+  /* Skip verify of ps_regnum, invalid_p == 0 */
+  if (gdbarch_debug >= 2)
+    fprintf_unfiltered (gdb_stdlog, "gdbarch_ps_regnum called\n");
+  return gdbarch->ps_regnum;
+}
+
+void
+set_gdbarch_ps_regnum (struct gdbarch *gdbarch,
+                       int ps_regnum)
+{
+  gdbarch->ps_regnum = ps_regnum;
+}
+
 int
 gdbarch_fp0_regnum (struct gdbarch *gdbarch)
 {