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#ifndef _ASM_POWERPC_SECTIONS_H
#define _ASM_POWERPC_SECTIONS_H
#ifdef __KERNEL__
#include <linux/elf.h>
#include <linux/uaccess.h>
#include <asm-generic/sections.h>
#ifdef __powerpc64__
extern char __start_interrupts[];
extern char __end_interrupts[];
extern char __prom_init_toc_start[];
extern char __prom_init_toc_end[];
static inline int in_kernel_text(unsigned long addr)
{
if (addr >= (unsigned long)_stext && addr < (unsigned long)__init_end)
return 1;
return 0;
}
static inline int overlaps_interrupt_vector_text(unsigned long start,
unsigned long end)
{
unsigned long real_start, real_end;
real_start = __start_interrupts - _stext;
real_end = __end_interrupts - _stext;
return start < (unsigned long)__va(real_end) &&
(unsigned long)__va(real_start) < end;
}
static inline int overlaps_kernel_text(unsigned long start, unsigned long end)
{
return start < (unsigned long)__init_end &&
(unsigned long)_stext < end;
}
static inline int overlaps_kvm_tmp(unsigned long start, unsigned long end)
{
#ifdef CONFIG_KVM_GUEST
extern char kvm_tmp[];
return start < (unsigned long)kvm_tmp &&
(unsigned long)&kvm_tmp[1024 * 1024] < end;
#else
return 0;
#endif
}
#if !defined(_CALL_ELF) || _CALL_ELF != 2
#undef dereference_function_descriptor
static inline void *dereference_function_descriptor(void *ptr)
{
struct ppc64_opd_entry *desc = ptr;
void *p;
if (!probe_kernel_address(&desc->funcaddr, p))
ptr = p;
return ptr;
}
#endif
#endif
#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_SECTIONS_H */