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82 lines
1.5 KiB
82 lines
1.5 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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#include <asm_macros.h>
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#
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# contains important code patterns
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# doesn't actually do anything
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# make sure the relocated entry will copy more than one basic block.
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.text
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.global NAME(do_nothing)
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DECLARE_FUNCTION(do_nothing)
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NAME(do_nothing):
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test %eax, %eax
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je lab1
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xor %eax, %eax
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xor %eax, %eax
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lab1:
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xor %eax, %eax
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xor %eax, %eax
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ret
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#make sure the relocated entry will correctly handle a jump as the last
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#instruction in the basic block.
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.global NAME(nothing_doing)
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DECLARE_FUNCTION(nothing_doing)
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NAME(nothing_doing):
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test %eax, %eax
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test %eax, %eax
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je lab2
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xor %eax, %eax
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xor %eax, %eax
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lab2:
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xor %eax, %eax
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xor %eax, %eax
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ret
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# call should be replaced with a push/jmp when relocated.
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#
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.global NAME(call_function)
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DECLARE_FUNCTION(call_function)
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NAME(call_function):
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push %ebx
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call NAME(do_nothing)
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pop %ebx
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ret
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# make sure this code pattern works
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#
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.global NAME(call_nothing)
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DECLARE_FUNCTION(call_nothing)
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NAME(call_nothing):
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push %eax
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mov %eax, %eax
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push %ebx
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call NAME(do_nothing)
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pop %ebx
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pop %eax
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ret
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