98b14f8a6a
needed to get the topmost user iframe. Added i386_get_user_iframe() for exactly that purpose. * Added reinitialization of user debugging for the new thread when switching the context. git-svn-id: file:///srv/svn/repos/haiku/trunk/current@11523 a95241bf-73f2-0310-859d-f6bbb57e9c96
47 lines
860 B
C
47 lines
860 B
C
/*
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** Copyright 2002-2004, The Haiku Team. All rights reserved.
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** Distributed under the terms of the Haiku License.
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**
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** Copyright 2002, Travis Geiselbrecht. All rights reserved.
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** Distributed under the terms of the NewOS License.
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*/
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#ifndef _KERNEL_ARCH_x86_THREAD_H
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#define _KERNEL_ARCH_x86_THREAD_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <arch/cpu.h>
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void i386_push_iframe(struct thread *t, struct iframe *frame);
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void i386_pop_iframe(struct thread *t);
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struct iframe *i386_get_user_iframe(void);
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void i386_return_from_signal();
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void i386_end_return_from_signal();
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static
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inline struct thread *
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arch_thread_get_current_thread(void)
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{
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struct thread *t;
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read_dr3(t);
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return t;
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}
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static inline void
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arch_thread_set_current_thread(struct thread *t)
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{
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write_dr3(t);
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}
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#ifdef __cplusplus
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}
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#endif
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#endif /* _KERNEL_ARCH_x86_THREAD_H */
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