static
load_return_t
load_threadstack(
thread_t thread,
uint32_t *ts,
uint32_t total_size,
mach_vm_offset_t *user_stack,
int *customstack
)
{
kern_return_t ret;
uint32_t size;
int flavor;
uint32_t stack_size;
while (total_size > 0) {
flavor = *ts++;
size = *ts++;
if (UINT32_MAX-2 < size ||
UINT32_MAX/sizeof(uint32_t) < size+2)
return (LOAD_BADMACHO);
stack_size = (size+2)*sizeof(uint32_t);
if (stack_size > total_size)
return(LOAD_BADMACHO);
total_size -= stack_size;
/*
* Third argument is a kernel space pointer; it gets cast
* to the appropriate type in thread_userstack() based on
* the value of flavor.
*/
ret = thread_userstack(thread, flavor, (thread_state_t)ts, size, user_stack, customstack);
if (ret != KERN_SUCCESS) {
return(LOAD_FAILURE);
}
ts += size; /* ts is a (uint32_t *) */
}
return(LOAD_SUCCESS);
}
static
load_return_t
load_threadstack(
thread_t thread,
unsigned long *ts,
unsigned long total_size,
user_addr_t *user_stack,
int *customstack
)
{
kern_return_t ret;
unsigned long size;
int flavor;
unsigned long stack_size;
while (total_size > 0) {
flavor = *ts++;
size = *ts++;
stack_size = (size+2)*sizeof(unsigned long);
if (stack_size > total_size)
return(LOAD_BADMACHO);
total_size -= stack_size;
/*
* Third argument is a kernel space pointer; it gets cast
* to the appropriate type in thread_userstack() based on
* the value of flavor.
*/
ret = thread_userstack(thread, flavor, (thread_state_t)ts, size, user_stack, customstack);
if (ret != KERN_SUCCESS) {
return(LOAD_FAILURE);
}
ts += size; /* ts is a (unsigned long *) */
}
return(LOAD_SUCCESS);
}
