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Add info command to print out flags values

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This commit is contained in:
Michael Meissner 1997-11-13 14:52:14 +00:00
parent 832ef2cca2
commit 5d62f957a8
2 changed files with 55 additions and 2 deletions
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19
gdb/config/d30v/tm-d30v.h
View File

@ -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) */

38
gdb/d30v-tdep.c
View File

@ -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.");