Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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linux
1/* This file defines the fixed addresses where userspace programs can find
2 atomic code sequences. */
3
4#ifndef __BFIN_ASM_FIXED_CODE_H__
5#define __BFIN_ASM_FIXED_CODE_H__
6
7#ifdef __KERNEL__
8#ifndef __ASSEMBLY__
9#include <linux/linkage.h>
10#include <linux/ptrace.h>
11extern asmlinkage void finish_atomic_sections(struct pt_regs *regs);
12extern char fixed_code_start;
13extern char fixed_code_end;
14extern int atomic_xchg32(void);
15extern int atomic_cas32(void);
16extern int atomic_add32(void);
17extern int atomic_sub32(void);
18extern int atomic_ior32(void);
19extern int atomic_and32(void);
20extern int atomic_xor32(void);
21extern void safe_user_instruction(void);
22extern void sigreturn_stub(void);
23#endif
24#endif
25
26#define FIXED_CODE_START 0x400
27
28#define SIGRETURN_STUB 0x400
29
30#define ATOMIC_SEQS_START 0x410
31
32#define ATOMIC_XCHG32 0x410
33#define ATOMIC_CAS32 0x420
34#define ATOMIC_ADD32 0x430
35#define ATOMIC_SUB32 0x440
36#define ATOMIC_IOR32 0x450
37#define ATOMIC_AND32 0x460
38#define ATOMIC_XOR32 0x470
39
40#define ATOMIC_SEQS_END 0x480
41
42#define SAFE_USER_INSTRUCTION 0x480
43
44#define FIXED_CODE_END 0x490
45
46#endif