haiku/headers/private/kernel/arch/x86/thread_struct.h
Axel Dörfler a8673f45bf Added prototypes for arch_{store|restore}_fork_frame().
Removed broken arch_thread::current_iframe field.
Introduced new arch_fork_arg structure.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@9295 a95241bf-73f2-0310-859d-f6bbb57e9c96
2004-10-12 03:57:31 +00:00

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C
Executable File

/*
** Copyright 2002-2004, The Haiku Team. All rights reserved.
** Distributed under the terms of the Haiku License.
**
** Copyright 2001-2002, Travis Geiselbrecht. All rights reserved.
** Distributed under the terms of the NewOS License.
*/
#ifndef _KERNEL_ARCH_x86_THREAD_STRUCT_H
#define _KERNEL_ARCH_x86_THREAD_STRUCT_H
#include <arch_cpu.h>
struct farcall {
uint32 *esp;
uint32 *ss;
};
#define IFRAME_TRACE_DEPTH 4
// architecture specific thread info
struct arch_thread {
struct farcall current_stack;
struct farcall interrupt_stack;
// used to track interrupts on this thread
struct iframe *iframes[IFRAME_TRACE_DEPTH];
int iframe_ptr;
// 512 byte floating point save point
uint8 fpu_state[512];
};
struct arch_team {
// nothing here
};
struct arch_fork_arg {
struct iframe iframe;
};
#endif /* _KERNEL_ARCH_x86_THREAD_STRUCT_H */