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/*
* Copyright (c) 1987, 1988 NeXT, Inc.
*
* HISTORY
* 15-May-91 Gregg Kellogg (gk) at NeXT
* Use m68k_saved_state instead of NeXT_saved_state.
* Use m68k_thread_state_regs NeXT_regs.
* Use m68k_thread_state_68882 NeXT_thread_state_68882.
* Use m68k_thread_state_user_reg NeXT_thread_state_user_reg.
* Moved m68k_saved_state and USER_REGS to pcb.h.
*
*/
#ifndef _MACH_M68K_THREAD_STATUS_
#define _MACH_M68K_THREAD_STATUS_
/*
* m68k_thread_state_regs this is the structure that is exported
* to user threads for use in set/get status
* calls. This structure should never
* change.
*
* m68k_thread_state_68882 this structure is exported to user threads
* to allow the to set/get 68882 floating
* pointer register state.
*
* m68k_saved_state this structure corresponds to the state
* of the user registers as saved on the
* stack upon kernel entry. This structure
* is used internally only. Since this
* structure may change from version to
* version, it is hidden from the user.
*/
#define M68K_THREAD_STATE_REGS (1) /* normal registers */
#define M68K_THREAD_STATE_68882 (2) /* 68882 registers */
#define M68K_THREAD_STATE_USER_REG (3) /* additional user register */
#define M68K_THREAD_STATE_MAXFLAVOR (3)
struct m68k_thread_state_regs {
int dreg[8]; /* data registers */
int areg[8]; /* address registers (incl stack pointer) */
short pad0; /* not used */
short sr; /* user's status register */
int pc; /* user's program counter */
};
#define M68K_THREAD_STATE_REGS_COUNT \
(sizeof (struct m68k_thread_state_regs) / sizeof (int))
struct m68k_thread_state_68882 {
struct {
int fp[3]; /* 96-bit extended format */
} regs[8];
int cr; /* control */
int sr; /* status */
int iar; /* instruction address */
int state; /* execution state */
};
#define M68K_THREAD_STATE_68882_COUNT \
(sizeof (struct m68k_thread_state_68882) / sizeof (int))
struct m68k_thread_state_user_reg {
int user_reg; /* user register (used by cthreads) */
};
#define M68K_THREAD_STATE_USER_REG_COUNT \
(sizeof (struct m68k_thread_state_user_reg) / sizeof (int))
#endif
These are the contents of the former NiCE NeXT User Group NeXTSTEP/OpenStep software archive, currently hosted by Netfuture.ch.