Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
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 */