57 lines
1.4 KiB
ArmAsm
57 lines
1.4 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 _jump_fcontext
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.text
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.align 2
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_jump_fcontext:
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mov 0x4(%esp),%ecx
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mov %edi,(%ecx)
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mov %esi,0x4(%ecx)
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mov %ebx,0x8(%ecx)
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mov %ebp,0xc(%ecx)
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mov %fs:0x18,%edx
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mov (%edx),%eax
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mov %eax,0x24(%ecx)
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mov 0x4(%edx),%eax
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mov %eax,0x18(%ecx)
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mov 0x8(%edx),%eax
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mov %eax,0x20(%ecx)
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mov 0x10(%edx),%eax
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mov %eax,0x28(%ecx)
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lea 0x4(%esp),%eax
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mov %eax,0x10(%ecx)
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mov (%esp),%eax
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mov %eax,0x14(%ecx)
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mov 0x8(%esp),%edx
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mov (%edx),%edi
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mov 0x4(%edx),%esi
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mov 0x8(%edx),%ebx
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mov 0xc(%edx),%ebp
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mov 0x10(%esp),%eax
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test %eax,%eax
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je _jump_fcontext+0x5f
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stmxcsr 0x2c(%ecx)
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fnstcw 0x30(%ecx)
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ldmxcsr 0x2c(%edx)
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fldcw 0x30(%edx)
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mov %edx,%ecx
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mov %fs:0x18,%edx
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mov 0x24(%ecx),%eax
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mov %eax,(%edx)
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mov 0x18(%ecx),%eax
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mov %eax,0x4(%edx)
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mov 0x20(%ecx),%eax
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mov %eax,0x8(%edx)
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mov 0x28(%ecx),%eax
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mov %eax,0x10(%edx)
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mov 0xc(%esp),%eax
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mov 0x10(%ecx),%esp
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mov %eax,0x4(%esp)
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mov 0x14(%ecx),%ecx
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jmp *%ecx
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