1 #ifndef _ASM_GENERIC_SECTIONS_H_
2 #define _ASM_GENERIC_SECTIONS_H_
4 /* References to section boundaries */
8 * _text, _data: architecture specific, don't use them in arch-independent code
9 * [_stext, _etext]: contains .text.* sections, may also contain .rodata.*
10 * and/or .init.* sections
11 * [_sdata, _edata]: contains .data.* sections, may also contain .rodata.*
12 * and/or .init.* sections.
13 * [__start_rodata, __end_rodata]: contains .rodata.* sections
14 * [__init_begin, __init_end]: contains .init.* sections, but .init.text.*
15 * may be out of this range on some architectures.
16 * [_sinittext, _einittext]: contains .init.text.* sections
17 * [__bss_start, __bss_stop]: contains BSS sections
19 * Following global variables are optional and may be unavailable on some
20 * architectures and/or kernel configurations.
22 * __kprobes_text_start, __kprobes_text_end
23 * __entry_text_start, __entry_text_end
24 * __ctors_start, __ctors_end
26 extern char _text[], _stext[], _etext[];
27 extern char _data[], _sdata[], _edata[];
28 extern char __bss_start[], __bss_stop[];
29 extern char __init_begin[], __init_end[];
30 extern char _sinittext[], _einittext[];
32 extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[];
33 extern char __kprobes_text_start[], __kprobes_text_end[];
34 extern char __entry_text_start[], __entry_text_end[];
35 extern char __start_rodata[], __end_rodata[];
37 /* Start and end of .ctors section - used for constructor calls. */
38 extern char __ctors_start[], __ctors_end[];
40 /* function descriptor handling (if any). Override
41 * in asm/sections.h */
42 #ifndef dereference_function_descriptor
43 #define dereference_function_descriptor(p) (p)
46 /* random extra sections (if any). Override
47 * in asm/sections.h */
48 #ifndef arch_is_kernel_text
49 static inline int arch_is_kernel_text(unsigned long addr)
55 #ifndef arch_is_kernel_data
56 static inline int arch_is_kernel_data(unsigned long addr)
62 #endif /* _ASM_GENERIC_SECTIONS_H_ */