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* config/m32r/m32r.mt (GDBSERVER_LIBS): Added ../../intl/libintl.a.

Browse Source 
* config/mips/vr5000.mt (GDBSERVER_LIBS): Likewise.
* config/tic80/tic80.mt (GDBSERVER_LIBS): Likewise.
* gdbserver/low-sim.c (#include "defs.h"): Removed.
(mygeneric_load): Rename from generic_load.

* gdbserver/low-hppabsd.c (#include "server.h"): Added.
(#include "defs.h"): Removed.
(inferior_pid, perror_with_name): Remove declarations.
* gdbserver/low-linux.c: Likewise.
* gdbserver/low-nbsd.c: Likewise.
* gdbserver/low-sparc.c: Likewise.
* gdbserver/low-sun3.c: Likewise.

* i386-stub.c: Re-indent.
* m68k-stub.c: Re-indent.
This commit is contained in:
J.T. Conklin
2001-01-23 19:45:12 +00:00
parent 329de80343
commit f29d9b6d30
12 changed files with 731 additions and 597 deletions
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772
gdb/m68k-stub.c
View File

@@ -477,48 +477,53 @@ asm(" movel d0,sp@-"); /* push exception onto stack */
asm(" jbsr _handle_exception"); /* this never returns */
asm(" rts"); /* return */
void _returnFromException( Frame *frame )
void
_returnFromException (Frame * frame)
{
/* if no passed in frame, use the last one */
if (! frame)
/* if no passed in frame, use the last one */
if (!frame)
{
frame = lastFrame;
frame->frameSize = 4;
frame->format = 0;
frame->fsaveHeader = -1; /* restore regs, but we dont have fsave info*/
frame = lastFrame;
frame->frameSize = 4;
frame->format = 0;
frame->fsaveHeader = -1; /* restore regs, but we dont have fsave info */
}
#if !defined (mc68020) && !defined (mc68332)
/* a 68000 cannot use the internal info pushed onto a bus error
* or address error frame when doing an RTE so don't put this info
* onto the stack or the stack will creep every time this happens.
*/
frame->frameSize=3;
/* a 68000 cannot use the internal info pushed onto a bus error
* or address error frame when doing an RTE so don't put this info
* onto the stack or the stack will creep every time this happens.
*/
frame->frameSize = 3;
#endif
/* throw away any frames in the list after this frame */
lastFrame = frame;
/* throw away any frames in the list after this frame */
lastFrame = frame;
frame->sr = registers[(int) PS];
frame->pc = registers[(int) PC];
frame->sr = registers[(int) PS];
frame->pc = registers[(int) PC];
if (registers[(int) PS] & 0x2000)
{
/* return to supervisor mode... */
return_to_super();
if (registers[(int) PS] & 0x2000)
{
/* return to supervisor mode... */
return_to_super ();
}
else
{ /* return to user mode */
return_to_user();
else
{ /* return to user mode */
return_to_user ();
}
}
int hex(ch)
char ch;
int
hex (ch)
char ch;
{
if ((ch >= 'a') && (ch <= 'f')) return (ch-'a'+10);
if ((ch >= '0') && (ch <= '9')) return (ch-'0');
if ((ch >= 'A') && (ch <= 'F')) return (ch-'A'+10);
if ((ch >= 'a') && (ch <= 'f'))
return (ch - 'a' + 10);
if ((ch >= '0') && (ch <= '9'))
return (ch - '0');
if ((ch >= 'A') && (ch <= 'F'))
return (ch - 'A' + 10);
return (-1);
}
@@ -526,7 +531,7 @@ static char remcomInBuffer[BUFMAX];
static char remcomOutBuffer[BUFMAX];
/* scan for the sequence $<data>#<checksum> */
unsigned char *
getpacket (void)
{
@@ -542,7 +547,7 @@ getpacket (void)
while ((ch = getDebugChar ()) != '$')
;
retry:
retry:
checksum = 0;
xmitcsum = -1;
count = 0;
@@ -552,7 +557,7 @@ retry:
{
ch = getDebugChar ();
if (ch == '$')
goto retry;
goto retry;
if (ch == '#')
break;
checksum = checksum + ch;
@@ -573,7 +578,7 @@ retry:
if (remote_debug)
{
fprintf (stderr,
"bad checksum. My count = 0x%x, sent=0x%x. buf=%s\n",
"bad checksum. My count = 0x%x, sent=0x%x. buf=%s\n",
checksum, xmitcsum, buffer);
}
putDebugChar ('-'); /* failed checksum */
@@ -599,125 +604,179 @@ retry:
/* send the packet in buffer. */
void putpacket(buffer)
char * buffer;
void
putpacket (buffer)
char *buffer;
{
unsigned char checksum;
int count;
int count;
char ch;
/* $<packet info>#<checksum>. */
do {
putDebugChar('$');
checksum = 0;
count = 0;
while (ch=buffer[count]) {
putDebugChar(ch);
checksum += ch;
count += 1;
}
putDebugChar('#');
putDebugChar(hexchars[checksum >> 4]);
putDebugChar(hexchars[checksum % 16]);
} while (getDebugChar() != '+');
/* $<packet info>#<checksum>. */
do
{
putDebugChar ('$');
checksum = 0;
count = 0;
while (ch = buffer[count])
{
putDebugChar (ch);
checksum += ch;
count += 1;
}
putDebugChar ('#');
putDebugChar (hexchars[checksum >> 4]);
putDebugChar (hexchars[checksum % 16]);
}
while (getDebugChar () != '+');
}
void debug_error(format, parm)
char * format;
char * parm;
void
debug_error (format, parm)
char *format;
char *parm;
{
if (remote_debug) fprintf (stderr,format,parm);
if (remote_debug)
fprintf (stderr, format, parm);
}
/* convert the memory pointed to by mem into hex, placing result in buf */
/* return a pointer to the last char put in buf (null) */
char* mem2hex(mem, buf, count)
char* mem;
char* buf;
int count;
char *
mem2hex (mem, buf, count)
char *mem;
char *buf;
int count;
{
int i;
unsigned char ch;
for (i=0;i<count;i++) {
ch = *mem++;
*buf++ = hexchars[ch >> 4];
*buf++ = hexchars[ch % 16];
}
*buf = 0;
return(buf);
int i;
unsigned char ch;
for (i = 0; i < count; i++)
{
ch = *mem++;
*buf++ = hexchars[ch >> 4];
*buf++ = hexchars[ch % 16];
}
*buf = 0;
return (buf);
}
/* convert the hex array pointed to by buf into binary to be placed in mem */
/* return a pointer to the character AFTER the last byte written */
char* hex2mem(buf, mem, count)
char* buf;
char* mem;
int count;
char *
hex2mem (buf, mem, count)
char *buf;
char *mem;
int count;
{
int i;
unsigned char ch;
for (i=0;i<count;i++) {
ch = hex(*buf++) << 4;
ch = ch + hex(*buf++);
*mem++ = ch;
}
return(mem);
int i;
unsigned char ch;
for (i = 0; i < count; i++)
{
ch = hex (*buf++) << 4;
ch = ch + hex (*buf++);
*mem++ = ch;
}
return (mem);
}
/* a bus error has occurred, perform a longjmp
to return execution and allow handling of the error */
void handle_buserror()
void
handle_buserror ()
{
longjmp(remcomEnv,1);
longjmp (remcomEnv, 1);
}
/* this function takes the 68000 exception number and attempts to
translate this number into a unix compatible signal value */
int computeSignal( exceptionVector )
int exceptionVector;
int
computeSignal (exceptionVector)
int exceptionVector;
{
int sigval;
switch (exceptionVector) {
case 2 : sigval = 10; break; /* bus error */
case 3 : sigval = 10; break; /* address error */
case 4 : sigval = 4; break; /* illegal instruction */
case 5 : sigval = 8; break; /* zero divide */
case 6 : sigval = 8; break; /* chk instruction */
case 7 : sigval = 8; break; /* trapv instruction */
case 8 : sigval = 11; break; /* privilege violation */
case 9 : sigval = 5; break; /* trace trap */
case 10: sigval = 4; break; /* line 1010 emulator */
case 11: sigval = 4; break; /* line 1111 emulator */
switch (exceptionVector)
{
case 2:
sigval = 10;
break; /* bus error */
case 3:
sigval = 10;
break; /* address error */
case 4:
sigval = 4;
break; /* illegal instruction */
case 5:
sigval = 8;
break; /* zero divide */
case 6:
sigval = 8;
break; /* chk instruction */
case 7:
sigval = 8;
break; /* trapv instruction */
case 8:
sigval = 11;
break; /* privilege violation */
case 9:
sigval = 5;
break; /* trace trap */
case 10:
sigval = 4;
break; /* line 1010 emulator */
case 11:
sigval = 4;
break; /* line 1111 emulator */
/* Coprocessor protocol violation. Using a standard MMU or FPU
this cannot be triggered by software. Call it a SIGBUS. */
case 13: sigval = 10; break;
this cannot be triggered by software. Call it a SIGBUS. */
case 13:
sigval = 10;
break;
case 31: sigval = 2; break; /* interrupt */
case 33: sigval = 5; break; /* breakpoint */
case 31:
sigval = 2;
break; /* interrupt */
case 33:
sigval = 5;
break; /* breakpoint */
/* This is a trap #8 instruction. Apparently it is someone's software
convention for some sort of SIGFPE condition. Whose? How many
people are being screwed by having this code the way it is?
Is there a clean solution? */
case 40: sigval = 8; break; /* floating point err */
convention for some sort of SIGFPE condition. Whose? How many
people are being screwed by having this code the way it is?
Is there a clean solution? */
case 40:
sigval = 8;
break; /* floating point err */
case 48: sigval = 8; break; /* floating point err */
case 49: sigval = 8; break; /* floating point err */
case 50: sigval = 8; break; /* zero divide */
case 51: sigval = 8; break; /* underflow */
case 52: sigval = 8; break; /* operand error */
case 53: sigval = 8; break; /* overflow */
case 54: sigval = 8; break; /* NAN */
default:
sigval = 7; /* "software generated"*/
}
case 48:
sigval = 8;
break; /* floating point err */
case 49:
sigval = 8;
break; /* floating point err */
case 50:
sigval = 8;
break; /* zero divide */
case 51:
sigval = 8;
break; /* underflow */
case 52:
sigval = 8;
break; /* operand error */
case 53:
sigval = 8;
break; /* overflow */
case 54:
sigval = 8;
break; /* NAN */
default:
sigval = 7; /* "software generated" */
}
return (sigval);
}
@@ -725,242 +784,255 @@ int exceptionVector;
/* WHILE WE FIND NICE HEX CHARS, BUILD AN INT */
/* RETURN NUMBER OF CHARS PROCESSED */
/**********************************************/
int hexToInt(char **ptr, int *intValue)
int
hexToInt (char **ptr, int *intValue)
{
int numChars = 0;
int hexValue;
*intValue = 0;
int numChars = 0;
int hexValue;
while (**ptr)
*intValue = 0;
while (**ptr)
{
hexValue = hex(**ptr);
if (hexValue >=0)
{
*intValue = (*intValue <<4) | hexValue;
numChars ++;
}
else
break;
(*ptr)++;
hexValue = hex (**ptr);
if (hexValue >= 0)
{
*intValue = (*intValue << 4) | hexValue;
numChars++;
}
else
break;
(*ptr)++;
}
return (numChars);
return (numChars);
}
/*
* This function does all command procesing for interfacing to gdb.
*/
void handle_exception(int exceptionVector)
void
handle_exception (int exceptionVector)
{
int sigval, stepping;
int addr, length;
char * ptr;
int newPC;
Frame *frame;
if (remote_debug) printf("vector=%d, sr=0x%x, pc=0x%x\n",
exceptionVector,
registers[ PS ],
registers[ PC ]);
int sigval, stepping;
int addr, length;
char *ptr;
int newPC;
Frame *frame;
if (remote_debug)
printf ("vector=%d, sr=0x%x, pc=0x%x\n",
exceptionVector, registers[PS], registers[PC]);
/* reply to host that an exception has occurred */
sigval = computeSignal( exceptionVector );
sigval = computeSignal (exceptionVector);
remcomOutBuffer[0] = 'S';
remcomOutBuffer[1] = hexchars[sigval >> 4];
remcomOutBuffer[2] = hexchars[sigval % 16];
remcomOutBuffer[1] = hexchars[sigval >> 4];
remcomOutBuffer[2] = hexchars[sigval % 16];
remcomOutBuffer[3] = 0;
putpacket(remcomOutBuffer);
putpacket (remcomOutBuffer);
stepping = 0;
while (1==1) {
remcomOutBuffer[0] = 0;
ptr = getpacket();
switch (*ptr++) {
case '?' : remcomOutBuffer[0] = 'S';
remcomOutBuffer[1] = hexchars[sigval >> 4];
remcomOutBuffer[2] = hexchars[sigval % 16];
remcomOutBuffer[3] = 0;
break;
case 'd' : remote_debug = !(remote_debug); /* toggle debug flag */
break;
case 'g' : /* return the value of the CPU registers */
mem2hex((char*) registers, remcomOutBuffer, NUMREGBYTES);
break;
case 'G' : /* set the value of the CPU registers - return OK */
hex2mem(ptr, (char*) registers, NUMREGBYTES);
strcpy(remcomOutBuffer,"OK");
break;
/* mAA..AA,LLLL Read LLLL bytes at address AA..AA */
case 'm' :
if (setjmp(remcomEnv) == 0)
{
exceptionHandler(2,handle_buserror);
while (1 == 1)
{
remcomOutBuffer[0] = 0;
ptr = getpacket ();
switch (*ptr++)
{
case '?':
remcomOutBuffer[0] = 'S';
remcomOutBuffer[1] = hexchars[sigval >> 4];
remcomOutBuffer[2] = hexchars[sigval % 16];
remcomOutBuffer[3] = 0;
break;
case 'd':
remote_debug = !(remote_debug); /* toggle debug flag */
break;
case 'g': /* return the value of the CPU registers */
mem2hex ((char *) registers, remcomOutBuffer, NUMREGBYTES);
break;
case 'G': /* set the value of the CPU registers - return OK */
hex2mem (ptr, (char *) registers, NUMREGBYTES);
strcpy (remcomOutBuffer, "OK");
break;
/* TRY TO READ %x,%x. IF SUCCEED, SET PTR = 0 */
if (hexToInt(&ptr,&addr))
if (*(ptr++) == ',')
if (hexToInt(&ptr,&length))
{
ptr = 0;
mem2hex((char*) addr, remcomOutBuffer, length);
}
/* mAA..AA,LLLL Read LLLL bytes at address AA..AA */
case 'm':
if (setjmp (remcomEnv) == 0)
{
exceptionHandler (2, handle_buserror);
if (ptr)
{
strcpy(remcomOutBuffer,"E01");
}
} else {
exceptionHandler(2,_catchException);
strcpy(remcomOutBuffer,"E03");
debug_error("bus error");
}
/* restore handler for bus error */
exceptionHandler(2,_catchException);
/* TRY TO READ %x,%x. IF SUCCEED, SET PTR = 0 */
if (hexToInt (&ptr, &addr))
if (*(ptr++) == ',')
if (hexToInt (&ptr, &length))
{
ptr = 0;
mem2hex ((char *) addr, remcomOutBuffer, length);
}
if (ptr)
{
strcpy (remcomOutBuffer, "E01");
}
}
else
{
exceptionHandler (2, _catchException);
strcpy (remcomOutBuffer, "E03");
debug_error ("bus error");
}
/* restore handler for bus error */
exceptionHandler (2, _catchException);
break;
/* MAA..AA,LLLL: Write LLLL bytes at address AA.AA return OK */
case 'M':
if (setjmp (remcomEnv) == 0)
{
exceptionHandler (2, handle_buserror);
/* TRY TO READ '%x,%x:'. IF SUCCEED, SET PTR = 0 */
if (hexToInt (&ptr, &addr))
if (*(ptr++) == ',')
if (hexToInt (&ptr, &length))
if (*(ptr++) == ':')
{
hex2mem (ptr, (char *) addr, length);
ptr = 0;
strcpy (remcomOutBuffer, "OK");
}
if (ptr)
{
strcpy (remcomOutBuffer, "E02");
}
}
else
{
exceptionHandler (2, _catchException);
strcpy (remcomOutBuffer, "E03");
debug_error ("bus error");
}
/* restore handler for bus error */
exceptionHandler (2, _catchException);
break;
/* cAA..AA Continue at address AA..AA(optional) */
/* sAA..AA Step one instruction from AA..AA(optional) */
case 's':
stepping = 1;
case 'c':
/* try to read optional parameter, pc unchanged if no parm */
if (hexToInt (&ptr, &addr))
registers[PC] = addr;
newPC = registers[PC];
/* clear the trace bit */
registers[PS] &= 0x7fff;
/* set the trace bit if we're stepping */
if (stepping)
registers[PS] |= 0x8000;
/*
* look for newPC in the linked list of exception frames.
* if it is found, use the old frame it. otherwise,
* fake up a dummy frame in returnFromException().
*/
if (remote_debug)
printf ("new pc = 0x%x\n", newPC);
frame = lastFrame;
while (frame)
{
if (remote_debug)
printf ("frame at 0x%x has pc=0x%x, except#=%d\n",
frame, frame->exceptionPC, frame->exceptionVector);
if (frame->exceptionPC == newPC)
break; /* bingo! a match */
/*
* for a breakpoint instruction, the saved pc may
* be off by two due to re-executing the instruction
* replaced by the trap instruction. Check for this.
*/
if ((frame->exceptionVector == 33) &&
(frame->exceptionPC == (newPC + 2)))
break;
/* MAA..AA,LLLL: Write LLLL bytes at address AA.AA return OK */
case 'M' :
if (setjmp(remcomEnv) == 0) {
exceptionHandler(2,handle_buserror);
/* TRY TO READ '%x,%x:'. IF SUCCEED, SET PTR = 0 */
if (hexToInt(&ptr,&addr))
if (*(ptr++) == ',')
if (hexToInt(&ptr,&length))
if (*(ptr++) == ':')
{
hex2mem(ptr, (char*) addr, length);
ptr = 0;
strcpy(remcomOutBuffer,"OK");
}
if (ptr)
{
strcpy(remcomOutBuffer,"E02");
}
} else {
exceptionHandler(2,_catchException);
strcpy(remcomOutBuffer,"E03");
debug_error("bus error");
}
/* restore handler for bus error */
exceptionHandler(2,_catchException);
break;
/* cAA..AA Continue at address AA..AA(optional) */
/* sAA..AA Step one instruction from AA..AA(optional) */
case 's' :
stepping = 1;
case 'c' :
/* try to read optional parameter, pc unchanged if no parm */
if (hexToInt(&ptr,&addr))
registers[ PC ] = addr;
newPC = registers[ PC];
/* clear the trace bit */
registers[ PS ] &= 0x7fff;
/* set the trace bit if we're stepping */
if (stepping) registers[ PS ] |= 0x8000;
/*
* look for newPC in the linked list of exception frames.
* if it is found, use the old frame it. otherwise,
* fake up a dummy frame in returnFromException().
*/
if (remote_debug) printf("new pc = 0x%x\n",newPC);
frame = lastFrame;
while (frame)
{
if (remote_debug)
printf("frame at 0x%x has pc=0x%x, except#=%d\n",
frame,frame->exceptionPC,
frame->exceptionVector);
if (frame->exceptionPC == newPC) break; /* bingo! a match */
/*
* for a breakpoint instruction, the saved pc may
* be off by two due to re-executing the instruction
* replaced by the trap instruction. Check for this.
*/
if ((frame->exceptionVector == 33) &&
(frame->exceptionPC == (newPC+2))) break;
if (frame == frame->previous)
{
frame = 0; /* no match found */
break;
}
if (frame == frame->previous)
{
frame = 0; /* no match found */
break;
}
frame = frame->previous;
}
/*
* If we found a match for the PC AND we are not returning
* as a result of a breakpoint (33),
* trace exception (9), nmi (31), jmp to
* the old exception handler as if this code never ran.
*/
if (frame)
{
if ((frame->exceptionVector != 9) &&
(frame->exceptionVector != 31) &&
(frame->exceptionVector != 33))
{
/*
* invoke the previous handler.
*/
if (oldExceptionHook)
(*oldExceptionHook) (frame->exceptionVector);
newPC = registers[ PC ]; /* pc may have changed */
if (newPC != frame->exceptionPC)
{
if (remote_debug)
printf("frame at 0x%x has pc=0x%x, except#=%d\n",
frame,frame->exceptionPC,
frame->exceptionVector);
/* re-use the last frame, we're skipping it (longjump?)*/
}
/*
* If we found a match for the PC AND we are not returning
* as a result of a breakpoint (33),
* trace exception (9), nmi (31), jmp to
* the old exception handler as if this code never ran.
*/
if (frame)
{
if ((frame->exceptionVector != 9) &&
(frame->exceptionVector != 31) &&
(frame->exceptionVector != 33))
{
/*
* invoke the previous handler.
*/
if (oldExceptionHook)
(*oldExceptionHook) (frame->exceptionVector);
newPC = registers[PC]; /* pc may have changed */
if (newPC != frame->exceptionPC)
{
if (remote_debug)
printf ("frame at 0x%x has pc=0x%x, except#=%d\n",
frame, frame->exceptionPC,
frame->exceptionVector);
/* re-use the last frame, we're skipping it (longjump?) */
frame = (Frame *) 0;
_returnFromException( frame ); /* this is a jump */
}
}
}
_returnFromException (frame); /* this is a jump */
}
}
}
/* if we couldn't find a frame, create one */
if (frame == 0)
{
frame = lastFrame - 1;
/* if we couldn't find a frame, create one */
if (frame == 0)
{
frame = lastFrame -1 ;
/* by using a bunch of print commands with breakpoints,
it's possible for the frame stack to creep down. If it creeps
too far, give up and reset it to the top. Normal use should
not see this happen.
*/
if ((unsigned int) (frame-2) < (unsigned int) &gdbFrameStack)
{
initializeRemcomErrorFrame();
frame = lastFrame;
}
frame->previous = lastFrame;
lastFrame = frame;
frame = 0; /* null so _return... will properly initialize it */
}
_returnFromException( frame ); /* this is a jump */
it's possible for the frame stack to creep down. If it creeps
too far, give up and reset it to the top. Normal use should
not see this happen.
*/
if ((unsigned int) (frame - 2) < (unsigned int) &gdbFrameStack)
{
initializeRemcomErrorFrame ();
frame = lastFrame;
}
frame->previous = lastFrame;
lastFrame = frame;
frame = 0; /* null so _return... will properly initialize it */
}
break;
/* kill the program */
case 'k' : /* do nothing */
break;
} /* switch */
/* reply to the request */
putpacket(remcomOutBuffer);
_returnFromException (frame); /* this is a jump */
break;
/* kill the program */
case 'k': /* do nothing */
break;
} /* switch */
/* reply to the request */
putpacket (remcomOutBuffer);
}
}
@@ -968,46 +1040,47 @@ void handle_exception(int exceptionVector)
void
initializeRemcomErrorFrame (void)
{
lastFrame = ((Frame *) &gdbFrameStack[FRAMESIZE-1]) - 1;
lastFrame->previous = lastFrame;
lastFrame = ((Frame *) & gdbFrameStack[FRAMESIZE - 1]) - 1;
lastFrame->previous = lastFrame;
}
/* this function is used to set up exception handlers for tracing and
breakpoints */
void set_debug_traps()
void
set_debug_traps ()
{
extern void _debug_level7();
extern void remcomHandler();
extern void _debug_level7 ();
extern void remcomHandler ();
int exception;
initializeRemcomErrorFrame();
stackPtr = &remcomStack[STACKSIZE/sizeof(int) - 1];
initializeRemcomErrorFrame ();
stackPtr = &remcomStack[STACKSIZE / sizeof (int) - 1];
for (exception = 2; exception <= 23; exception++)
exceptionHandler(exception,_catchException);
exceptionHandler (exception, _catchException);
/* level 7 interrupt */
exceptionHandler(31,_debug_level7);
exceptionHandler (31, _debug_level7);
/* breakpoint exception (trap #1) */
exceptionHandler(33,_catchException);
exceptionHandler (33, _catchException);
/* This is a trap #8 instruction. Apparently it is someone's software
convention for some sort of SIGFPE condition. Whose? How many
people are being screwed by having this code the way it is?
Is there a clean solution? */
exceptionHandler(40,_catchException);
exceptionHandler (40, _catchException);
/* 48 to 54 are floating point coprocessor errors */
for (exception = 48; exception <= 54; exception++)
exceptionHandler(exception,_catchException);
exceptionHandler (exception, _catchException);
if (oldExceptionHook != remcomHandler)
{
{
oldExceptionHook = exceptionHook;
exceptionHook = remcomHandler;
}
exceptionHook = remcomHandler;
}
initialized = 1;
}
@@ -1016,9 +1089,10 @@ void set_debug_traps()
beginning of a program to sync up with a debugger and can be used
otherwise as a quick means to stop program execution and "break" into
the debugger. */
void breakpoint()
{
if (initialized) BREAKPOINT();
}
void
breakpoint ()
{
if (initialized)
BREAKPOINT ();
}