C++ (Cpp) db_value_of_name 예제들

예제 #1

파일: db_cpu.c 프로젝트: eyberg/rumpkernel-netbsd-src

static void
db_cpu_init(void)
{
	db_expr_t addr;

	db_value_of_name("ncpu", &addr);
	db_read_bytes((db_addr_t)addr, sizeof(db_ncpu), (char *)&db_ncpu);

	db_value_of_name("cpu_infos", &addr);
	db_read_bytes((db_addr_t)addr, sizeof(db_cpu_infos),
	    (char *)&db_cpu_infos);
}

예제 #2

파일: db_trace.c 프로젝트: avsm/openbsd-xen-sys

void
db_find_trace_symbols(void)
{
	db_expr_t	value;

	if (db_value_of_name("_trap", &value))
		db_trap_symbol_value = (db_addr_t) value;
	if (db_value_of_name("_kdintr", &value))
		db_kdintr_symbol_value = (db_addr_t) value;
	if (db_value_of_name("_syscall", &value))
		db_syscall_symbol_value = (db_addr_t) value;
	db_trace_symbols_found = TRUE;
}

예제 #3

파일: db_expr.c 프로젝트: AhmadTux/freebsd

static boolean_t
db_term(db_expr_t *valuep)
{
	int	t;

	t = db_read_token();
	if (t == tIDENT) {
	    if (!db_value_of_name(db_tok_string, valuep) &&
		!db_value_of_name_pcpu(db_tok_string, valuep) &&
		!db_value_of_name_vnet(db_tok_string, valuep)) {
		db_error("Symbol not found\n");
		/*NOTREACHED*/
	    }
	    return (TRUE);
	}
	if (t == tNUMBER) {
	    *valuep = (db_expr_t)db_tok_number;
	    return (TRUE);
	}
	if (t == tDOT) {
	    *valuep = (db_expr_t)db_dot;
	    return (TRUE);
	}
	if (t == tDOTDOT) {
	    *valuep = (db_expr_t)db_prev;
	    return (TRUE);
	}
	if (t == tPLUS) {
	    *valuep = (db_expr_t) db_next;
	    return (TRUE);
	}
	if (t == tDITTO) {
	    *valuep = (db_expr_t)db_last_addr;
	    return (TRUE);
	}
	if (t == tDOLLAR) {
	    if (!db_get_variable(valuep))
		return (FALSE);
	    return (TRUE);
	}
	if (t == tLPAREN) {
	    if (!db_expression(valuep)) {
		db_error("Syntax error\n");
		/*NOTREACHED*/
	    }
	    t = db_read_token();
	    if (t != tRPAREN) {
		db_error("Syntax error\n");
		/*NOTREACHED*/
	    }
	    return (TRUE);
	}
	db_unread_token(t);
	return (FALSE);
}

예제 #4

파일: db_trace.c 프로젝트: 0xffea/gnumach

void
db_find_trace_symbols(void)
{
	db_expr_t	value;
#ifdef __ELF__
#define P
#else
#define P "_"
#endif
	if (db_value_of_name(P"user_trap", &value))
	    db_user_trap_symbol_value = (db_addr_t) value;
	if (db_value_of_name(P"kernel_trap", &value))
	    db_kernel_trap_symbol_value = (db_addr_t) value;
	if (db_value_of_name(P"interrupt", &value))
	    db_interrupt_symbol_value = (db_addr_t) value;
	if (db_value_of_name(P"return_to_iret", &value))
	    db_return_to_iret_symbol_value = (db_addr_t) value;
	if (db_value_of_name(P"syscall", &value))
	    db_syscall_symbol_value = (db_addr_t) value;
#undef P
	db_trace_symbols_found = TRUE;
}

예제 #5

파일: db_access.c 프로젝트: goroutines/rumprun

int
db_read_int(const char *name)
{
	db_expr_t val;
	int p;

	if (!db_value_of_name(name, &val)) {
		db_printf("db_read_int: cannot find `%s'\n", name);
		db_error(NULL);
		/* NOTREACHED */
	}
	db_read_bytes((db_addr_t)val, sizeof(p), (char *)&p);
	return p;
}

예제 #6

파일: db_expr.c 프로젝트: eyberg/rumpkernel-netbsd-src

static bool
db_term(db_expr_t *valuep)
{
	int	t;

	t = db_read_token();
	if (t == tIDENT) {
		if (!db_value_of_name(db_tok_string, valuep)) {
			db_expr_t v = 0;
			int	i, c, byte;

			/* See if we can make a number out of all of it */
			for (i = 0; (c = db_tok_string[i]) != '\0'; i++) {
				byte = 0;
				if (c >= '0' && c <= '9')
					byte = c - '0';
				else if (db_radix == 16 && c >= 'a' && c <= 'f')
					byte = c - 'a' + 10;
				else if (db_radix == 16 && c >= 'A' && c <= 'F')
					byte = c - 'A' + 10;
				else
					db_error("Symbol not found\n");
					/*NOTREACHED*/
				v = v * db_radix + byte;
			}
			*valuep = (db_expr_t)v;
		}
		return (true);
	}
	if (t == tNUMBER) {
		*valuep = (db_expr_t)db_tok_number;
		return (true);
	}
	if (t == tDOT) {
		*valuep = (db_expr_t)db_dot;
		return (true);
	}
	if (t == tDOTDOT) {
		*valuep = (db_expr_t)db_prev;
		return (true);
	}
	if (t == tPLUS) {
		*valuep = (db_expr_t) db_next;
		return (true);
	}
	if (t == tDITTO) {
		*valuep = (db_expr_t)db_last_addr;
		return (true);
	}
	if (t == tDOLLAR) {
		if (!db_get_variable(valuep))
		    return (false);
		return (true);
	}
	if (t == tLPAREN) {
		if (!db_expression(valuep)) {
			db_error("Syntax error\n");
			/*NOTREACHED*/
		}
		t = db_read_token();
		if (t != tRPAREN) {
			db_error("Syntax error\n");
			/*NOTREACHED*/
		}
		return (true);
	}
	db_unread_token(t);
	return (false);
}