#include <linux/sched.h>
#include <linux/kernel.h>
#include <linux/mm.h>

Macros
#define	LDT_DESCRIPTOR(s) (((struct desc_struct *)current->mm->context.ldt)[(s) >> 3])

#define	SEG_D_SIZE(x) ((x).b & (3 << 21))

#define	SEG_G_BIT(x) ((x).b & (1 << 23))

#define	SEG_GRANULARITY(x) (((x).b & (1 << 23)) ? 4096 : 1)

#define	SEG_286_MODE(x) ((x).b & ( 0xff000000 \| 0xf0000 \| (1 << 23)))

#define	SEG_BASE_ADDR(s)

#define	SEG_LIMIT(s) (((s).b & 0xff0000) \| ((s).a & 0xffff))

#define	SEG_EXECUTE_ONLY(s) (((s).b & ((1 << 11) \| (1 << 9))) == (1 << 11))

#define	SEG_WRITE_PERM(s) (((s).b & ((1 << 11) \| (1 << 9))) == (1 << 9))

#define	SEG_EXPAND_DOWN(s)

#define	I387 (current->thread.fpu.state)

#define	FPU_info (I387->soft.info)

#define	FPU_CS ((unsigned short ) &(FPU_info->regs->cs))

#define	FPU_SS ((unsigned short ) &(FPU_info->regs->ss))

#define	FPU_DS ((unsigned short ) &(FPU_info->regs->ds))

#define	FPU_EAX (FPU_info->regs->ax)

#define	FPU_EFLAGS (FPU_info->regs->flags)

#define	FPU_EIP (FPU_info->regs->ip)

#define	FPU_ORIG_EIP (FPU_info->___orig_eip)

#define	FPU_lookahead (I387->soft.lookahead)

#define	no_ip_update ((u_char )&(I387->soft.no_update))

#define	FPU_rm ((u_char )&(I387->soft.rm))

#define	access_limit ((u_char )&(I387->soft.alimit))

#define	partial_status (I387->soft.swd)

#define	control_word (I387->soft.cwd)

#define	fpu_tag_word (I387->soft.twd)

#define	registers (I387->soft.st_space)

#define	top (I387->soft.ftop)

#define	instruction_address ((struct address )&I387->soft.fip)

#define	operand_address ((struct address )&I387->soft.foo)

#define	FPU_access_ok(x, y, z)

#define	FPU_abort math_abort(FPU_info, SIGSEGV)

#define	FPU_code_access_ok(z) FPU_access_ok(VERIFY_READ,(void __user *)FPU_EIP,z)

#define	FPU_get_user(x, y) get_user((x),(y))

#define	FPU_put_user(x, y) put_user((x),(y))

Macro Definition Documentation

#define access_limit (*(u_char *)&(I387->soft.alimit))

Definition at line 54 of file fpu_system.h.

#define control_word (I387->soft.cwd)

Definition at line 57 of file fpu_system.h.

#define FPU_abort math_abort(FPU_info, SIGSEGV)

Definition at line 67 of file fpu_system.h.

#define FPU_access_ok	(	x,
		y,
		z
	)

Value:

if ( !access_ok(x,y,z) ) \

math_abort(FPU_info,SIGSEGV)

Definition at line 65 of file fpu_system.h.

#define FPU_code_access_ok ( z ) FPU_access_ok(VERIFY_READ,(void __user *)FPU_EIP,z)

Definition at line 80 of file fpu_system.h.

#define FPU_CS (*(unsigned short *) &(FPU_info->regs->cs))

Definition at line 37 of file fpu_system.h.

#define FPU_DS (*(unsigned short *) &(FPU_info->regs->ds))

Definition at line 39 of file fpu_system.h.

#define FPU_EAX (FPU_info->regs->ax)

Definition at line 40 of file fpu_system.h.

#define FPU_EFLAGS (FPU_info->regs->flags)

Definition at line 41 of file fpu_system.h.

#define FPU_EIP (FPU_info->regs->ip)

Definition at line 42 of file fpu_system.h.

#define FPU_get_user	(	x,
		y
	)	get_user((x),(y))

Definition at line 83 of file fpu_system.h.

#define FPU_info (I387->soft.info)

Definition at line 35 of file fpu_system.h.

#define FPU_lookahead (I387->soft.lookahead)

Definition at line 45 of file fpu_system.h.

#define FPU_ORIG_EIP (FPU_info->___orig_eip)

Definition at line 43 of file fpu_system.h.

#define FPU_put_user	(	x,
		y
	)	put_user((x),(y))

Definition at line 84 of file fpu_system.h.

#define FPU_rm (*(u_char *)&(I387->soft.rm))

Definition at line 50 of file fpu_system.h.

#define FPU_SS (*(unsigned short *) &(FPU_info->regs->ss))

Definition at line 38 of file fpu_system.h.

#define fpu_tag_word (I387->soft.twd)

Definition at line 58 of file fpu_system.h.

#define I387 (current->thread.fpu.state)

Definition at line 34 of file fpu_system.h.

#define instruction_address (*(struct address *)&I387->soft.fip)

Definition at line 62 of file fpu_system.h.

#define LDT_DESCRIPTOR ( s ) (((struct desc_struct *)current->mm->context.ldt)[(s) >> 3])

Definition at line 21 of file fpu_system.h.

#define no_ip_update (*(u_char *)&(I387->soft.no_update))

Definition at line 49 of file fpu_system.h.

#define operand_address (*(struct address *)&I387->soft.foo)

Definition at line 63 of file fpu_system.h.

#define partial_status (I387->soft.swd)

Definition at line 56 of file fpu_system.h.

#define registers (I387->soft.st_space)

Definition at line 59 of file fpu_system.h.

#define SEG_286_MODE ( x ) ((x).b & ( 0xff000000 | 0xf0000 | (1 << 23)))

Definition at line 25 of file fpu_system.h.

#define SEG_BASE_ADDR ( s )

Value:

(((s).b & 0xff000000) \

| (((s).b & 0xff) << 16) | ((s).a >> 16))

Definition at line 26 of file fpu_system.h.

#define SEG_D_SIZE ( x ) ((x).b & (3 << 21))

Definition at line 22 of file fpu_system.h.

#define SEG_EXECUTE_ONLY ( s ) (((s).b & ((1 << 11) | (1 << 9))) == (1 << 11))

Definition at line 29 of file fpu_system.h.

#define SEG_EXPAND_DOWN ( s )

Value:

(((s).b & ((1 << 11) | (1 << 10))) \

== (1 << 10))

Definition at line 31 of file fpu_system.h.

#define SEG_G_BIT ( x ) ((x).b & (1 << 23))

Definition at line 23 of file fpu_system.h.

#define SEG_GRANULARITY ( x ) (((x).b & (1 << 23)) ? 4096 : 1)

Definition at line 24 of file fpu_system.h.

#define SEG_LIMIT ( s ) (((s).b & 0xff0000) | ((s).a & 0xffff))

Definition at line 28 of file fpu_system.h.

#define SEG_WRITE_PERM ( s ) (((s).b & ((1 << 11) | (1 << 9))) == (1 << 9))

Definition at line 30 of file fpu_system.h.

#define top (I387->soft.ftop)

Definition at line 60 of file fpu_system.h.

Macros

Macro Definition Documentation