CS代考计算机代写 /* Expand the stack by 32 bytes all at once using the PUSHA

/* Expand the stack by 32 bytes all at once using the PUSHA
instruction.
This must succeed. */

#include
#include “tests/arc4.h”
#include “tests/cksum.h”
#include “tests/lib.h”
#include “tests/main.h”

void
test_main (void)
{
asm volatile
(“movl %%esp, %%eax;” /* Save a copy of the stack pointer. */
“andl $0xfffff000, %%esp;” /* Move stack pointer to bottom of page. */
“pushal;” /* Push 32 bytes on stack at once. */
“movl %%eax, %%esp” /* Restore copied stack pointer. */
: : : “eax”); /* Tell GCC we destroyed eax. */
}