Пример #1
0
void tracePrintNewline(void)
{
	if (!isTraced())
		return;

	fprintf(stderr,"\n");
}
Пример #2
0
static void tracePrintFmtVa(const char * szFormat, va_list va)
{
	if (!isTraced())
		return;

	vfprintf(stderr,szFormat,va);
}
Пример #3
0
void tracePrintPrefix(const char * szFunction)
{
	if (!isTraced())
		return;

	debugIndent();

	fprintf(stderr,"[%s][at %lu] ",szFunction,getInputLineNumber());
}
Пример #4
0
void tracePrint(const char * szFunction, const char * szFormat,...)
{
	if (!isTraced())
		return;

	tracePrintPrefix(szFormat);

	va_list va;
	va_start(va,szFormat);
	tracePrintFmtVa (szFormat,va);
	va_end(va);

	tracePrintNewline();
}
Пример #5
0
void traceLeave(const char * szFunction,const char * szFormat,...)
{
	if (!isTraced())
		return;

	debugDec();
	debugIndent ();

	fprintf(stderr,"[<< %s][at %lu] ",szFunction,getInputLineNumber());

	va_list va;
	va_start(va,szFormat);
	vfprintf(stderr,szFormat,va);
	va_end(va);

	fprintf(stderr,"\n");
}
Пример #6
0
void parent() {
    int status;

    if (conf.xml) {
	
	printToplevelOpen();
	printProcessTag(conf.command, conf.binArgc, conf.args);

	printTraceOpen();
    } else {
	printPlHeader(conf.command, conf.binArgc, conf.args);
    }

    while (1) {
	/* Wait for child status to change: */
	wait(&status);

	if (WIFEXITED(status)) {
	    //exit(0);
	    break;
	}
	if (WIFSIGNALED(status)) {
	    //exit(0);
	    break;
	}
	if (!WIFSTOPPED(status)) {
	    //exit(0);
	    break;
	}
	if (WSTOPSIG(status) == SIGTRAP) {
	    /* Note that there are *three* reasons why the child might stop
	     * with SIGTRAP:
	     *  1) syscall entry
	     *  2) syscall exit
	     *  3) child calls exec
	     */

	    struct user_regs_struct regs;
	    ptrace(PTRACE_GETREGS, child_pid, 0, &regs);

	    long syscall = regs.orig_rax;

	    if (isTraced(syscall)) {
		handleSyscall(regs);
	    } 


	} else {
	    // printf("Child stopped due to signal %d\n", WSTOPSIG(status));
	    //printf("|     N/A | Signal %2d        |\n", WSTOPSIG(status));
	}
	fflush(stdout);

	/* Resume child, requesting that it stops again on syscall enter/exit
	 * (in addition to any other reason why it might stop):
	 */
	ptrace(PTRACE_SYSCALL, child_pid, NULL, NULL);
    }

    if (conf.xml) {
	printTraceClose();
	printToplevelClose();
    } 

}