diff options
| -rw-r--r-- | gdb/config/d30v/tm-d30v.h | 19 | ||||
| -rw-r--r-- | gdb/d30v-tdep.c | 38 |
2 files changed, 55 insertions, 2 deletions
diff --git a/gdb/config/d30v/tm-d30v.h b/gdb/config/d30v/tm-d30v.h index 5dc255b..a011a68 100644 --- 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 eb88990..226301b 100644 --- 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."); |