uml: tidy ptrace interface
[linux-2.6] / arch / um / os-Linux / user_syms.c
1 #include "linux/types.h"
2 #include "linux/module.h"
3
4 /* Some of this are builtin function (some are not but could in the future),
5  * so I *must* declare good prototypes for them and then EXPORT them.
6  * The kernel code uses the macro defined by include/linux/string.h,
7  * so I undef macros; the userspace code does not include that and I
8  * add an EXPORT for the glibc one.
9  */
10
11 #undef strlen
12 #undef strstr
13 #undef memcpy
14 #undef memset
15
16 extern size_t strlen(const char *);
17 extern void *memcpy(void *, const void *, size_t);
18 extern void *memmove(void *, const void *, size_t);
19 extern void *memset(void *, int, size_t);
20 extern int printf(const char *, ...);
21
22 /* If it's not defined, the export is included in lib/string.c.*/
23 #ifdef __HAVE_ARCH_STRSTR
24 EXPORT_SYMBOL(strstr);
25 #endif
26
27 EXPORT_SYMBOL(memcpy);
28 EXPORT_SYMBOL(memmove);
29 EXPORT_SYMBOL(memset);
30 EXPORT_SYMBOL(printf);
31
32 /* Here, instead, I can provide a fake prototype. Yes, someone cares: genksyms.
33  * However, the modules will use the CRC defined *here*, no matter if it is
34  * good; so the versions of these symbols will always match
35  */
36 #define EXPORT_SYMBOL_PROTO(sym)       \
37         int sym(void);                  \
38         EXPORT_SYMBOL(sym);
39
40 extern void readdir64(void) __attribute__((weak));
41 EXPORT_SYMBOL(readdir64);
42 extern void truncate64(void) __attribute__((weak));
43 EXPORT_SYMBOL(truncate64);
44
45 #ifdef SUBARCH_i386
46 EXPORT_SYMBOL(vsyscall_ehdr);
47 EXPORT_SYMBOL(vsyscall_end);
48 #endif
49
50 EXPORT_SYMBOL_PROTO(__errno_location);
51
52 EXPORT_SYMBOL_PROTO(access);
53 EXPORT_SYMBOL_PROTO(open);
54 EXPORT_SYMBOL_PROTO(open64);
55 EXPORT_SYMBOL_PROTO(close);
56 EXPORT_SYMBOL_PROTO(read);
57 EXPORT_SYMBOL_PROTO(write);
58 EXPORT_SYMBOL_PROTO(dup2);
59 EXPORT_SYMBOL_PROTO(__xstat);
60 EXPORT_SYMBOL_PROTO(__lxstat);
61 EXPORT_SYMBOL_PROTO(__lxstat64);
62 EXPORT_SYMBOL_PROTO(__fxstat64);
63 EXPORT_SYMBOL_PROTO(lseek);
64 EXPORT_SYMBOL_PROTO(lseek64);
65 EXPORT_SYMBOL_PROTO(chown);
66 EXPORT_SYMBOL_PROTO(fchown);
67 EXPORT_SYMBOL_PROTO(truncate);
68 EXPORT_SYMBOL_PROTO(ftruncate64);
69 EXPORT_SYMBOL_PROTO(utime);
70 EXPORT_SYMBOL_PROTO(utimes);
71 EXPORT_SYMBOL_PROTO(futimes);
72 EXPORT_SYMBOL_PROTO(chmod);
73 EXPORT_SYMBOL_PROTO(fchmod);
74 EXPORT_SYMBOL_PROTO(rename);
75 EXPORT_SYMBOL_PROTO(__xmknod);
76
77 EXPORT_SYMBOL_PROTO(symlink);
78 EXPORT_SYMBOL_PROTO(link);
79 EXPORT_SYMBOL_PROTO(unlink);
80 EXPORT_SYMBOL_PROTO(readlink);
81
82 EXPORT_SYMBOL_PROTO(mkdir);
83 EXPORT_SYMBOL_PROTO(rmdir);
84 EXPORT_SYMBOL_PROTO(opendir);
85 EXPORT_SYMBOL_PROTO(readdir);
86 EXPORT_SYMBOL_PROTO(closedir);
87 EXPORT_SYMBOL_PROTO(seekdir);
88 EXPORT_SYMBOL_PROTO(telldir);
89
90 EXPORT_SYMBOL_PROTO(ioctl);
91
92 EXPORT_SYMBOL_PROTO(pread64);
93 EXPORT_SYMBOL_PROTO(pwrite64);
94
95 EXPORT_SYMBOL_PROTO(statfs);
96 EXPORT_SYMBOL_PROTO(statfs64);
97
98 EXPORT_SYMBOL_PROTO(getuid);
99
100 EXPORT_SYMBOL_PROTO(fsync);
101 EXPORT_SYMBOL_PROTO(fdatasync);
102
103 /* Export symbols used by GCC for the stack protector. */
104 extern void __stack_smash_handler(void *) __attribute__((weak));
105 EXPORT_SYMBOL(__stack_smash_handler);
106
107 extern long __guard __attribute__((weak));
108 EXPORT_SYMBOL(__guard);