51 lines
1.2 KiB
ArmAsm
51 lines
1.2 KiB
ArmAsm
/* Copyright Oliver Kowalke 2009.
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Distributed under the Boost Software License, Version 1.0.
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(See accompanying file LICENSE_1_0.txt or copy at
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http://www.boost.org/LICENSE_1_0.txt)
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*/
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.global _make_fcontext
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.text
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.align 2
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_make_fcontext:
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mov 0x4(%esp),%eax
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lea -0x34(%eax),%eax
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and $0xfffffff0,%eax
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mov 0x4(%esp),%ecx
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mov %ecx,0x18(%eax)
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mov 0x8(%esp),%edx
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mov %edx,0x1c(%eax)
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neg %edx
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lea (%edx,%ecx,1),%ecx
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mov %ecx,0x20(%eax)
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mov 0xc(%esp),%ecx
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mov %ecx,0x14(%eax)
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stmxcsr 0x2c(%eax)
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fnstcw 0x30(%eax)
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lea -0x1c(%eax),%edx
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mov %edx,0x10(%eax)
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mov $0x0,%ecx
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mov %ecx,(%edx)
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mov %fs:0x18,%ecx
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mov (%ecx),%edx
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inc %edx
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je _make_fcontext+0x4c // <_make_fcontext+0x4c>
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dec %edx
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xchg %edx,%ecx
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jmp _make_fcontext+0x42 // <_make_fcontext+0x42>
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mov 0x4(%ecx),%ecx
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mov 0x10(%eax),%edx
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mov %ecx,0x18(%edx)
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mov $0xffffffff,%ecx
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mov %ecx,0x14(%edx)
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lea 0x14(%edx),%ecx
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mov %ecx,0x24(%eax)
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ret
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finish:
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xor %eax,%eax
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mov %eax,(%esp)
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call finish+0xa
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hlt
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