mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-22 18:44:44 +08:00
00afe029aa
Some ports (like the Blackfin arch) have a discontiguous memory map which means there may be text or data that falls outside of the standard range of the start/end text/data symbols. Creating some helper functions allows these non-standard ports to declare these regions without adversely affecting anyone else. Signed-off-by: Mike Frysinger <vapier@gentoo.org> Cc: Ingo Molnar <mingo@elte.hu> Cc: Robin Getz <rgetz@blackfin.uclinux.org> Cc: Sam Ravnborg <sam@ravnborg.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
43 lines
1.1 KiB
C
43 lines
1.1 KiB
C
#ifndef _ASM_GENERIC_SECTIONS_H_
|
|
#define _ASM_GENERIC_SECTIONS_H_
|
|
|
|
/* References to section boundaries */
|
|
|
|
extern char _text[], _stext[], _etext[];
|
|
extern char _data[], _sdata[], _edata[];
|
|
extern char __bss_start[], __bss_stop[];
|
|
extern char __init_begin[], __init_end[];
|
|
extern char _sinittext[], _einittext[];
|
|
extern char _end[];
|
|
extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[];
|
|
extern char __kprobes_text_start[], __kprobes_text_end[];
|
|
extern char __initdata_begin[], __initdata_end[];
|
|
extern char __start_rodata[], __end_rodata[];
|
|
|
|
/* Start and end of .ctors section - used for constructor calls. */
|
|
extern char __ctors_start[], __ctors_end[];
|
|
|
|
/* function descriptor handling (if any). Override
|
|
* in asm/sections.h */
|
|
#ifndef dereference_function_descriptor
|
|
#define dereference_function_descriptor(p) (p)
|
|
#endif
|
|
|
|
/* random extra sections (if any). Override
|
|
* in asm/sections.h */
|
|
#ifndef arch_is_kernel_text
|
|
static inline int arch_is_kernel_text(unsigned long addr)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#ifndef arch_is_kernel_data
|
|
static inline int arch_is_kernel_data(unsigned long addr)
|
|
{
|
|
return 0;
|
|
}
|
|
#endif
|
|
|
|
#endif /* _ASM_GENERIC_SECTIONS_H_ */
|