LXR linux/arch/powerpc/include/asm/sections.h

   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
  11extern char _end[];
  12
  13static 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
  21static inline int overlaps_kernel_text(unsigned long start, unsigned long end)
  22{
  23        return start < (unsigned long)__init_end &&
  24                (unsigned long)_stext < end;
  25}
  26
  27#undef dereference_function_descriptor
  28static inline void *dereference_function_descriptor(void *ptr)
  29{
  30        struct ppc64_opd_entry *desc = ptr;
  31        void *p;
  32
  33        if (!probe_kernel_address(&desc->funcaddr, p))
  34                ptr = p;
  35        return ptr;
  36}
  37
  38#endif
  39
  40#endif /* __KERNEL__ */
  41#endif  /* _ASM_POWERPC_SECTIONS_H */
  42