1 #ifndef _ASM_POWERPC_SECTIONS_H
2 #define _ASM_POWERPC_SECTIONS_H
3 #ifdef __KERNEL__
4 
5 #include <linux/elf.h>
6 #include <linux/uaccess.h>
7 #include <asm-generic/sections.h>
8 
9 #ifdef __powerpc64__
10 
11 extern char _end[];
12 
13 static inline int in_kernel_text(unsigned long addr)
14 {
15 	if (addr >= (unsigned long)_stext && addr < (unsigned long)__init_end)
16 		return 1;
17 
18 	return 0;
19 }
20 
21 #undef dereference_function_descriptor
22 static inline void *dereference_function_descriptor(void *ptr)
23 {
24 	struct ppc64_opd_entry *desc = ptr;
25 	void *p;
26 
27 	if (!probe_kernel_address(&desc->funcaddr, p))
28 		ptr = p;
29 	return ptr;
30 }
31 
32 #endif
33 
34 #endif /* __KERNEL__ */
35 #endif	/* _ASM_POWERPC_SECTIONS_H */
36