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/*
* 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:
subq $8, %rsp
/*
* Push a 'ret' instruction, then call it.
*/
pushq $0xc3 /* ret */
call *%rsp
popq %rax
/*
* Push a 'jmp *%rcx' instruction, then jump to it.
*/
lea .l1(%rip), %rcx
pushq $0xe1ff /* jmp *%rcx */
jmp *%rsp
.l1:
popq %rax
xorl %eax, %eax
addq $8, %rsp
ret