Add info command to print out flags values

diff --git a/gdb/config/d30v/tm-d30v.h b/gdb/config/d30v/tm-d30v.h
index 5dc255bd26cc8c34b232ef5c7f3f3e0780b6b0d4..a011a680b8b05ae897a2904932d64f6807ac8779 100644 (file)
--- a/gdb/config/d30v/tm-d30v.h
+++ b/gdb/config/d30v/tm-d30v.h
@@ -95,8 +95,23 @@ extern CORE_ADDR d30v_skip_prologue ();
 #define CREGS_START    66
 
 #define PSW_REGNUM     (CREGS_START + 0) /* psw, bpsw, or dpsw??? */
-#define    PSW_SM 0x80000000   /* Stack mode: 0 == interrupt (SPI),
-                                              1 == user (SPU) */
+#define    PSW_SM (((unsigned long)0x80000000) >> 0)   /* Stack mode: 0/SPI */
+                                                       /*             1/SPU */
+#define     PSW_EA (((unsigned long)0x80000000) >> 2)  /* Execution status */
+#define     PSW_DB (((unsigned long)0x80000000) >> 3)  /* Debug mode */
+#define     PSW_DS (((unsigned long)0x80000000) >> 4)  /* Debug EIT status */
+#define     PSW_IE (((unsigned long)0x80000000) >> 5)  /* Interrupt enable */
+#define     PSW_RP (((unsigned long)0x80000000) >> 6)  /* Repeat enable */
+#define     PSW_MD (((unsigned long)0x80000000) >> 7)  /* Modulo enable */
+#define     PSW_F0 (((unsigned long)0x80000000) >> 17) /* F0 flag */
+#define     PSW_F1 (((unsigned long)0x80000000) >> 19) /* F1 flag */
+#define     PSW_F2 (((unsigned long)0x80000000) >> 21) /* F2 flag */
+#define     PSW_F3 (((unsigned long)0x80000000) >> 23) /* F3 flag */
+#define     PSW_S  (((unsigned long)0x80000000) >> 25) /* Saturation flag */
+#define     PSW_V  (((unsigned long)0x80000000) >> 27) /* Overflow flag */
+#define     PSW_VA (((unsigned long)0x80000000) >> 29) /* Accum. overflow */
+#define     PSW_C  (((unsigned long)0x80000000) >> 31) /* Carry/Borrow flag */
+
 #define BPSW_REGNUM    (CREGS_START + 1) /* Backup PSW (on interrupt) */
 #define PC_REGNUM      (CREGS_START + 2) /* pc, bpc, or dpc??? */
 #define BPC_REGNUM     (CREGS_START + 3) /* Backup PC (on interrupt) */

diff --git a/gdb/d30v-tdep.c b/gdb/d30v-tdep.c
index eb889900c58f8727b57955e89b0abad55cc892a4..226301b377f88802fc75dc12452ab8fc2e267c8a 100644 (file)
--- a/gdb/d30v-tdep.c
+++ b/gdb/d30v-tdep.c
@@ -36,6 +36,8 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 void d30v_frame_find_saved_regs PARAMS ((struct frame_info *fi,
                                         struct frame_saved_regs *fsr));
 static void d30v_pop_dummy_frame PARAMS ((struct frame_info *fi));
+static void d30v_print_flags PARAMS ((void));
+static void print_flags_command PARAMS ((char *, int));
 
 /* Discard from the stack the innermost frame, restoring all saved
    registers.  */
@@ -435,12 +437,45 @@ d30v_print_register (regnum, tabular)
     }
 }
 
+static void
+d30v_print_flags ()
+{
+  long psw = read_register (PSW_REGNUM);
+  printf_filtered ("flags #1");
+  printf_filtered ("   (sm) %d", (psw & PSW_SM) != 0);
+  printf_filtered ("   (ea) %d", (psw & PSW_EA) != 0);
+  printf_filtered ("   (db) %d", (psw & PSW_DB) != 0);
+  printf_filtered ("   (ds) %d", (psw & PSW_DS) != 0);
+  printf_filtered ("   (ie) %d", (psw & PSW_IE) != 0);
+  printf_filtered ("   (rp) %d", (psw & PSW_RP) != 0);
+  printf_filtered ("   (md) %d\n", (psw & PSW_MD) != 0);
+
+  printf_filtered ("flags #2");
+  printf_filtered ("   (f0) %d", (psw & PSW_F0) != 0);
+  printf_filtered ("   (f1) %d", (psw & PSW_F1) != 0);
+  printf_filtered ("   (f2) %d", (psw & PSW_F2) != 0);
+  printf_filtered ("   (f3) %d", (psw & PSW_F3) != 0);
+  printf_filtered ("    (s) %d", (psw & PSW_S) != 0);
+  printf_filtered ("    (v) %d", (psw & PSW_V) != 0);
+  printf_filtered ("   (va) %d", (psw & PSW_VA) != 0);
+  printf_filtered ("    (c) %d\n", (psw & PSW_C) != 0);
+}
+
+static void
+print_flags_command (args, from_tty)
+     char *args;
+     int from_tty;
+{
+  d30v_print_flags ();
+}
+
 void
 d30v_do_registers_info (regnum, fpregs)
      int regnum;
      int fpregs;
 {
   long long num1, num2;
+  long psw;
 
   if (regnum != -1)
     {
@@ -506,6 +541,7 @@ d30v_do_registers_info (regnum, fpregs)
   d30v_print_register (INT_M_REGNUM, 1);
   printf_filtered ("\n");
 
+  d30v_print_flags ();
   for (regnum = 0; regnum <= 63;)
     {
       int i;
@@ -995,6 +1031,8 @@ _initialize_d30v_tdep ()
   target_resume_hook = d30v_eva_prepare_to_trace;
   target_wait_loop_hook = d30v_eva_get_trace_data;
 
+  add_info ("flags", print_flags_command, "Print d30v flags.");
+
   add_com ("trace", class_support, trace_command,
           "Enable tracing of instruction execution.");