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OS/pintos-env/pintos/tests/userprog/child-bad.c

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/* Child process run by wait-killed test.
Sets the stack pointer (%esp) to an invalid value and invokes
a system call, which should then terminate the process with a
-1 exit code. */
#include "tests/lib.h"
#include "tests/main.h"
void
test_main (void)
{
asm volatile ("movl $0x20101234, %esp; int $0x30");
fail ("should have exited with -1");
}