blob: 32c4d495d847b14a53ef86dafbb478d906fff211 (
plain) (
tree)
|
|
/* This file defines the fixed addresses where userspace programs can find
atomic code sequences. */
#ifndef __BFIN_ASM_FIXED_CODE_H__
#define __BFIN_ASM_FIXED_CODE_H__
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
#include <linux/linkage.h>
#include <linux/ptrace.h>
extern asmlinkage void finish_atomic_sections(struct pt_regs *regs);
extern char fixed_code_start;
extern char fixed_code_end;
extern int atomic_xchg32(void);
extern int atomic_cas32(void);
extern int atomic_add32(void);
extern int atomic_sub32(void);
extern int atomic_ior32(void);
extern int atomic_and32(void);
extern int atomic_xor32(void);
extern void safe_user_instruction(void);
extern void sigreturn_stub(void);
#endif
#endif
#define FIXED_CODE_START 0x400
#define SIGRETURN_STUB 0x400
#define ATOMIC_SEQS_START 0x410
#define ATOMIC_XCHG32 0x410
#define ATOMIC_CAS32 0x420
#define ATOMIC_ADD32 0x430
#define ATOMIC_SUB32 0x440
#define ATOMIC_IOR32 0x450
#define ATOMIC_AND32 0x460
#define ATOMIC_XOR32 0x470
#define ATOMIC_SEQS_END 0x480
#define SAFE_USER_INSTRUCTION 0x480
#define FIXED_CODE_END 0x490
#endif
|
