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-rw-r--r--gdb/remote-udi.c305
1 files changed, 181 insertions, 124 deletions
diff --git a/gdb/remote-udi.c b/gdb/remote-udi.c
index cf577d6..a6a015c 100644
--- a/gdb/remote-udi.c
+++ b/gdb/remote-udi.c
@@ -48,16 +48,18 @@ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
#include "terminal.h"
#include "target.h"
#include "29k-share/udi/udiproc.h"
+#include "gdbcmd.h"
/* access the register store directly, without going through
the normal handler functions. This avoids an extra data copy. */
+static int kiodebug;
extern int stop_soon_quietly; /* for wait_for_inferior */
extern struct value *call_function_by_hand();
static void udi_resume();
static void udi_fetch_registers ();
static void udi_load();
-static int fetch_register ();
+static void fetch_register ();
static void udi_store_registers ();
static int store_register ();
static int regnum_to_srnum();
@@ -433,21 +435,23 @@ static void
udi_resume (step, sig)
int step, sig;
{
- UDIError tip_error;
- UDIUInt32 Steps = 1;
- UDIStepType StepType = UDIStepNatural;
- UDIRange Range;
+ UDIError tip_error;
+ UDIUInt32 Steps = 1;
+ UDIStepType StepType = UDIStepNatural;
+ UDIRange Range;
if (step) /* step 1 instruction */
- { tip_error = tip_error = UDIStep(Steps, StepType, Range);
- if(tip_error)fprintf(stderr, "UDIStep() error = %d\n", tip_error);
- if(tip_error)error ("failed in udi_resume");
+ {
+ tip_error = UDIStep (Steps, StepType, Range);
+ if (!tip_error)
+ return;
- }
- else
- { if(UDIExecute())
- error ("UDIExecute() failed in udi_resume");
- }
+ fprintf (stderr, "UDIStep() error = %d\n", tip_error);
+ error ("failed in udi_resume");
+ }
+
+ if (UDIExecute())
+ error ("UDIExecute() failed in udi_resume");
}
/******************************************************************** UDI_WAIT
@@ -473,113 +477,122 @@ udi_wait (status)
*/
timeout = 0; /* Wait indefinetly for a message */
immediate_quit = 1; /* Helps ability to QUIT */
+
while(1)
- {
- i = 0;
- MaxTime = UDIWaitForever;
- UDIWait(MaxTime, &PId, &StopReason);
- QUIT; /* Let user quit if they want */
- switch (StopReason & 0xff)
{
- default:
- goto halted;
- case UDIStdoutReady:
- if(UDIGetStdout(sbuf, (UDISizeT)SBUF_MAX, &CountDone))
- error("UDIGetStdin() failed in udi_wait");
- while(CountDone--)putc(sbuf[i++], stdout);
- fflush(stdout);
- break;
- case UDIStderrReady:
- UDIGetStderr(sbuf, (UDISizeT)SBUF_MAX, &CountDone);
- while(CountDone--)putc(sbuf[i++], stderr);
- fflush(stderr);
- fflush(stderr);
- break;
- case UDIStdinNeeded:
- printf("DEBUG: stdin requested ... continue\n");
-/* UDIPutStdin(sbuf, (UDISizeT)i, &CountDone); */
- break;
- case UDIStdinModeX:
- break;
- }
- continue;
- }
-halted:
- if (StopReason & 0xff == UDITrapped ) /* lower 8-bits == 0 */
- {
- if (StopReason >> 24 == 0)
- { printf("Am290*0 received vector number 0 (break point)\n");
- WSETSTOP ((*status), SIGTRAP);
- }
- else if (StopReason >> 24 == 1)
- { printf("Am290*0 received vector 1\n");
- WSETSTOP ((*status), SIGBUS);
- }
- else if (StopReason >> 24 == 3
- || StopReason >> 24 == 4)
- { printf("Am290*0 received vector number %d\n",
- StopReason >> 24);
- WSETSTOP ((*status), SIGFPE);
- }
- else if (StopReason >> 24 == 5)
- { printf("Am290*0 received vector number %d\n",
- StopReason >> 24);
- WSETSTOP ((*status), SIGILL);
- }
- else if (StopReason >> 24 >= 6
- && StopReason >> 24 <= 11)
- { printf("Am290*0 received vector number %d\n",
- StopReason >> 24);
- WSETSTOP ((*status), SIGSEGV);
- }
- else if (StopReason >> 24 == 12
- || StopReason >> 24 == 13)
- { printf("Am290*0 received vector number %d\n",
- StopReason >> 24);
- WSETSTOP ((*status), SIGILL);
- }
- else if ((StopReason & 0xff) == 14)
- { printf("Am290*0 received vector number %d\n",
- StopReason >> 24);
- WSETSTOP ((*status), SIGALRM);
- }
- else if ((StopReason & 0xff) == 15)
- WSETSTOP ((*status), SIGTRAP);
- else if ((StopReason >> 24) >= 16
- && (StopReason >> 24) <= 21)
- { printf("Am290*0 received vector number %d\n",
- StopReason >> 24);
- WSETSTOP ((*status), SIGINT);
- }
- else if ((StopReason & 0xff) == 22)
- { printf("Am290*0 received vector number %d\n",
- StopReason >> 24);
- WSETSTOP ((*status), SIGILL);
+ i = 0;
+ MaxTime = UDIWaitForever;
+ UDIWait(MaxTime, &PId, &StopReason);
+ QUIT; /* Let user quit if they want */
+
+ switch (StopReason & UDIGrossState)
+ {
+ case UDIStdoutReady:
+ if (UDIGetStdout (sbuf, (UDISizeT)SBUF_MAX, &CountDone))
+ error ("UDIGetStdin() failed in udi_wait");
+ fwrite (sbuf, 1, CountDone, stdout);
+ fflush(stdout);
+ continue;
+ case UDIStderrReady:
+ UDIGetStderr (sbuf, (UDISizeT)SBUF_MAX, &CountDone);
+ fwrite (sbuf, 1, CountDone, stderr);
+ fflush(stderr);
+ continue;
+ case UDIStdinNeeded:
+ printf("DEBUG: stdin requested ... continue\n");
+ /* UDIPutStdin(sbuf, (UDISizeT)i, &CountDone); */
+ continue;
+ case UDIStdinModeX:
+ continue;
+ default:
+ break;
+ }
+ break;
}
- else if ((StopReason & 0xff) == 77)
- WSETSTOP ((*status), SIGTRAP);
- else
-exit:
- WSETEXIT ((*status), 0);
- }
- else if ((StopReason & 0xff) == UDIBreak)
- WSETSTOP ((*status), SIGTRAP);
- else if ((StopReason & 0xff) == UDINotExecuting)
+
+ switch (StopReason & UDIGrossState)
+ {
+ case UDITrapped:
+ printf("Am290*0 received vector number %d\n", StopReason >> 24);
+
+ switch (StopReason >> 8)
+ {
+ case 0: /* Illegal opcode */
+ printf(" (break point)\n");
+ WSETSTOP ((*status), SIGTRAP);
+ break;
+ case 1: /* Unaligned Access */
+ WSETSTOP ((*status), SIGBUS);
+ break;
+ case 3:
+ case 4:
+ WSETSTOP ((*status), SIGFPE);
+ break;
+ case 5: /* Protection Violation */
+ WSETSTOP ((*status), SIGILL);
+ break;
+ case 6:
+ case 7:
+ case 8: /* User Instruction Mapping Miss */
+ case 9: /* User Data Mapping Miss */
+ case 10: /* Supervisor Instruction Mapping Miss */
+ case 11: /* Supervisor Data Mapping Miss */
+ WSETSTOP ((*status), SIGSEGV);
+ break;
+ case 12:
+ case 13:
+ WSETSTOP ((*status), SIGILL);
+ break;
+ case 14: /* Timer */
+ WSETSTOP ((*status), SIGALRM);
+ break;
+ case 15: /* Trace */
+ WSETSTOP ((*status), SIGTRAP);
+ break;
+ case 16: /* INTR0 */
+ case 17: /* INTR1 */
+ case 18: /* INTR2 */
+ case 19: /* INTR3/Internal */
+ case 20: /* TRAP0 */
+ case 21: /* TRAP1 */
+ WSETSTOP ((*status), SIGINT);
+ break;
+ case 22: /* Floating-Point Exception */
+ WSETSTOP ((*status), SIGILL);
+ break;
+ case 77: /* assert 77 */
+ WSETSTOP ((*status), SIGTRAP);
+ break;
+ default:
+ WSETEXIT ((*status), 0);
+ }
+ break;
+ case UDINotExecuting:
WSETSTOP ((*status), SIGTERM);
- else if ((StopReason & 0xff) == UDIRunning)
+ break;
+ case UDIRunning:
WSETSTOP ((*status), SIGILL);
- else if ((StopReason & 0xff) == UDIStopped)
+ break;
+ case UDIStopped:
WSETSTOP ((*status), SIGTSTP);
- else if ((StopReason & 0xff) == UDIWarned)
+ break;
+ case UDIWarned:
WSETSTOP ((*status), SIGLOST);
- else if ((StopReason & 0xff) == UDIStepped)
+ break;
+ case UDIStepped:
+ case UDIBreak:
WSETSTOP ((*status), SIGTRAP);
- else if ((StopReason & 0xff) == UDIWaiting)
+ break;
+ case UDIWaiting:
WSETSTOP ((*status), SIGSTOP);
- else if ((StopReason & 0xff) == UDIHalted)
+ break;
+ case UDIHalted:
WSETSTOP ((*status), SIGKILL);
- else
- WSETEXIT ((*status), 0);
+ break;
+ case UDIExited:
+ default:
+ WSETEXIT ((*status), 0);
+ }
timeout = old_timeout; /* Restore original timeout value */
immediate_quit = old_immediate_quit;
@@ -688,6 +701,14 @@ int regno;
register_valid[i] = 1;
}
+ if (kiodebug)
+ {
+ printf("Fetching all registers\n");
+ printf("Fetching PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n",
+ read_register(NPC_REGNUM), read_register(PC_REGNUM),
+ read_register(PC2_REGNUM));
+ }
+
/* There doesn't seem to be any way to get these. */
{
int val = -1;
@@ -721,6 +742,13 @@ int regno;
return;
}
+ if (kiodebug)
+ {
+ printf("Storing all registers\n");
+ printf("PC0 = 0x%x, PC1 = 0x%x, PC2 = 0x%x\n", read_register(NPC_REGNUM),
+ read_register(PC_REGNUM), read_register(PC2_REGNUM));
+ }
+
/* Gr1/rsp */
From = (UDIUInt32 *)&registers[4 * GR1_REGNUM];
@@ -1082,7 +1110,7 @@ int num;
/* Fetch a single register indicatated by 'regno'.
* Returns 0/-1 on success/failure.
*/
-static int
+static void
fetch_register (regno)
int regno;
{
@@ -1124,7 +1152,7 @@ fetch_register (regno)
{
int val = -1;
supply_register(160 + (regno - FPE_REGNUM),(char *) &val);
- return 0; /* Pretend Success */
+ return; /* Pretend Success */
}
else
{
@@ -1136,7 +1164,9 @@ fetch_register (regno)
error("UDIRead() failed in udi_fetch_registers");
supply_register(regno, (char *) &To);
- return result;
+
+ if (kiodebug)
+ printf("Fetching register %s = 0x%x\n", reg_names[regno], To);
}
/*****************************************************************************/
/* Store a single register indicated by 'regno'.
@@ -1156,6 +1186,9 @@ store_register (regno)
From = read_register (regno); /* get data value */
+ if (kiodebug)
+ printf("Storing register %s = 0x%x\n", reg_names[regno], From);
+
if (regno == GR1_REGNUM)
{ To.Space = UDI29KGlobalRegs;
To.Offset = 1;
@@ -1281,31 +1314,55 @@ int QuietMode = 0; /* used for debugging */
* Define the target subroutine names
*/
static struct target_ops udi_ops = {
- "udi", "Remote UDI connected TIP",
+ "udi",
+ "Remote UDI connected TIP",
"Remote debug an AMD 29k using UDI socket connection to TIP process",
- udi_open, udi_close,
- udi_attach, udi_detach, udi_resume, udi_wait,
- udi_fetch_registers, udi_store_registers,
+ udi_open,
+ udi_close,
+ udi_attach,
+ udi_detach,
+ udi_resume,
+ udi_wait,
+ udi_fetch_registers,
+ udi_store_registers,
udi_prepare_to_store,
udi_xfer_inferior_memory,
udi_files_info,
- udi_insert_breakpoint, udi_remove_breakpoint, /* Breakpoints */
- 0, 0, 0, 0, 0, /* Terminal handling */
+ udi_insert_breakpoint,
+ udi_remove_breakpoint,
+ 0, /* termial_init */
+ 0, /* terminal_inferior */
+ 0, /* terminal_ours_for_output */
+ 0, /* terminal_ours */
+ 0, /* terminal_info */
udi_kill, /* FIXME, kill */
udi_load,
0, /* lookup_symbol */
- udi_create_inferior, /* create_inferior */
- udi_mourn, /* mourn_inferior FIXME */
+ udi_create_inferior,
+ udi_mourn, /* mourn_inferior FIXME */
0, /* can_run */
- process_stratum, 0, /* next */
- 1, 1, 1, 1, 1, /* all mem, mem, stack, regs, exec */
- 0, 0, /* Section pointers */
+ process_stratum,
+ 0, /* next */
+ 1, /* has_all_memory */
+ 1, /* has_memory */
+ 1, /* has_stack */
+ 1, /* has_registers */
+ 1, /* has_execution */
+ 0, /* sections */
+ 0, /* sections_end */
OPS_MAGIC, /* Always the last thing */
};
void _initialize_remote_udi()
{
add_target (&udi_ops);
+ add_show_from_set (
+ add_set_cmd ("remotedebug", no_class, var_boolean,
+ (char *)&kiodebug,
+ "Set debugging of UDI I/O.\n\
+When enabled, debugging info is displayed.",
+ &setlist),
+ &showlist);
}
#ifdef NO_HIF_SUPPORT
generated by cgit v1.1 at 2025-01-07 04:36:13 +0000