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_interrupts[];
  12
  13extern char __prom_init_toc_start[];
  14extern char __prom_init_toc_end[];
  15
  16static inline int in_kernel_text(unsigned long addr)
  17{
  18        if (addr >= (unsigned long)_stext && addr < (unsigned long)__init_end)
  19                return 1;
  20
  21        return 0;
  22}
  23
  24static inline int overlaps_kernel_text(unsigned long start, unsigned long end)
  25{
  26        return start < (unsigned long)__init_end &&
  27                (unsigned long)_stext < end;
  28}
  29
  30#undef dereference_function_descriptor
  31static inline void *dereference_function_descriptor(void *ptr)
  32{
  33        struct ppc64_opd_entry *desc = ptr;
  34        void *p;
  35
  36        if (!probe_kernel_address(&desc->funcaddr, p))
  37                ptr = p;
  38        return ptr;
  39}
  40
  41#endif
  42
  43#endif /* __KERNEL__ */
  44#endif  /* _ASM_POWERPC_SECTIONS_H */
  45