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Diffstat (limited to 'arch/um/os-Linux/user_syms.c')
-rw-r--r--arch/um/os-Linux/user_syms.c62
1 files changed, 42 insertions, 20 deletions
diff --git a/arch/um/os-Linux/user_syms.c b/arch/um/os-Linux/user_syms.c
index 56d3f870926..db4a034aeee 100644
--- a/arch/um/os-Linux/user_syms.c
+++ b/arch/um/os-Linux/user_syms.c
@@ -1,11 +1,12 @@
-#include "linux/types.h"
-#include "linux/module.h"
+#include <linux/types.h>
+#include <linux/module.h>
/* Some of this are builtin function (some are not but could in the future),
* so I *must* declare good prototypes for them and then EXPORT them.
* The kernel code uses the macro defined by include/linux/string.h,
* so I undef macros; the userspace code does not include that and I
- * add an EXPORT for the glibc one.*/
+ * add an EXPORT for the glibc one.
+ */
#undef strlen
#undef strstr
@@ -13,28 +14,38 @@
#undef memset
extern size_t strlen(const char *);
-extern void *memcpy(void *, const void *, size_t);
extern void *memmove(void *, const void *, size_t);
extern void *memset(void *, int, size_t);
extern int printf(const char *, ...);
-EXPORT_SYMBOL(strlen);
+/* If it's not defined, the export is included in lib/string.c.*/
+#ifdef __HAVE_ARCH_STRSTR
+EXPORT_SYMBOL(strstr);
+#endif
+
+#ifndef __x86_64__
+extern void *memcpy(void *, const void *, size_t);
EXPORT_SYMBOL(memcpy);
+#endif
+
EXPORT_SYMBOL(memmove);
EXPORT_SYMBOL(memset);
EXPORT_SYMBOL(printf);
-EXPORT_SYMBOL(strstr);
-
/* Here, instead, I can provide a fake prototype. Yes, someone cares: genksyms.
* However, the modules will use the CRC defined *here*, no matter if it is
* good; so the versions of these symbols will always match
*/
#define EXPORT_SYMBOL_PROTO(sym) \
- int sym(void); \
- EXPORT_SYMBOL(sym);
+ int sym(void); \
+ EXPORT_SYMBOL(sym);
-#ifdef SUBARCH_i386
+extern void readdir64(void) __attribute__((weak));
+EXPORT_SYMBOL(readdir64);
+extern void truncate64(void) __attribute__((weak));
+EXPORT_SYMBOL(truncate64);
+
+#ifdef CONFIG_ARCH_REUSE_HOST_VSYSCALL_AREA
EXPORT_SYMBOL(vsyscall_ehdr);
EXPORT_SYMBOL(vsyscall_end);
#endif
@@ -51,12 +62,18 @@ EXPORT_SYMBOL_PROTO(dup2);
EXPORT_SYMBOL_PROTO(__xstat);
EXPORT_SYMBOL_PROTO(__lxstat);
EXPORT_SYMBOL_PROTO(__lxstat64);
+EXPORT_SYMBOL_PROTO(__fxstat64);
EXPORT_SYMBOL_PROTO(lseek);
EXPORT_SYMBOL_PROTO(lseek64);
EXPORT_SYMBOL_PROTO(chown);
+EXPORT_SYMBOL_PROTO(fchown);
EXPORT_SYMBOL_PROTO(truncate);
+EXPORT_SYMBOL_PROTO(ftruncate64);
EXPORT_SYMBOL_PROTO(utime);
+EXPORT_SYMBOL_PROTO(utimes);
+EXPORT_SYMBOL_PROTO(futimes);
EXPORT_SYMBOL_PROTO(chmod);
+EXPORT_SYMBOL_PROTO(fchmod);
EXPORT_SYMBOL_PROTO(rename);
EXPORT_SYMBOL_PROTO(__xmknod);
@@ -86,13 +103,18 @@ EXPORT_SYMBOL_PROTO(getuid);
EXPORT_SYMBOL_PROTO(fsync);
EXPORT_SYMBOL_PROTO(fdatasync);
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only. This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
+EXPORT_SYMBOL_PROTO(lstat64);
+EXPORT_SYMBOL_PROTO(fstat64);
+EXPORT_SYMBOL_PROTO(mknod);
+
+/* Export symbols used by GCC for the stack protector. */
+extern void __stack_smash_handler(void *) __attribute__((weak));
+EXPORT_SYMBOL(__stack_smash_handler);
+
+extern long __guard __attribute__((weak));
+EXPORT_SYMBOL(__guard);
+
+#ifdef _FORTIFY_SOURCE
+extern int __sprintf_chk(char *str, int flag, size_t strlen, const char *format);
+EXPORT_SYMBOL(__sprintf_chk);
+#endif