You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.

43 lines
922 B

/*
* Copyright 2002-2019 Intel Corporation.
*
* This software is provided to you as Sample Source Code as defined in the accompanying
* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
* section 1.L.
*
* This software and the related documents are provided as is, with no express or implied
* warranties, other than those that are expressly stated in the License.
*/
/*
* This test verifies Pin's handling of two weird instructions:
* "call *%rsp" and "jmp *%rsp".
*/
.text
.globl main
main:
pushl %ebp
movl %esp, %ebp
subl $8, %esp
/*
* Push a 'ret' instruction, then call it.
*/
pushl $0xc3 /* ret */
call *%esp
popl %eax
/*
* Push a 'jmp *%ecx' instruction, then jump to it.
*/
lea .l1, %ecx
pushl $0xe1ff /* jmp *%ecx */
jmp *%esp
.l1:
popl %eax
xorl %eax, %eax
leave
ret