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git.ipfire.org Git - people/ms/u-boot.git/blob - include/asm-generic/sections.h
2 * Copyright (c) 2011 The Chromium OS Authors.
4 * SPDX-License-Identifier: GPL-2.0+
7 /* Taken from Linux kernel, commit f56c3196 */
9 #ifndef _ASM_GENERIC_SECTIONS_H_
10 #define _ASM_GENERIC_SECTIONS_H_
12 /* References to section boundaries */
14 extern char _text
[], _stext
[], _etext
[];
15 extern char _data
[], _sdata
[], _edata
[];
16 extern char __bss_start
[], __bss_stop
[];
17 extern char __init_begin
[], __init_end
[];
18 extern char _sinittext
[], _einittext
[];
19 extern char _end
[], _init
[];
20 extern char __per_cpu_load
[], __per_cpu_start
[], __per_cpu_end
[];
21 extern char __kprobes_text_start
[], __kprobes_text_end
[];
22 extern char __entry_text_start
[], __entry_text_end
[];
23 extern char __initdata_begin
[], __initdata_end
[];
24 extern char __start_rodata
[], __end_rodata
[];
26 /* Start and end of .ctors section - used for constructor calls. */
27 extern char __ctors_start
[], __ctors_end
[];
29 /* function descriptor handling (if any). Override
30 * in asm/sections.h */
31 #ifndef dereference_function_descriptor
32 #define dereference_function_descriptor(p) (p)
35 /* random extra sections (if any). Override
36 * in asm/sections.h */
37 #ifndef arch_is_kernel_text
38 static inline int arch_is_kernel_text(unsigned long addr
)
44 #ifndef arch_is_kernel_data
45 static inline int arch_is_kernel_data(unsigned long addr
)
51 /* U-Boot-specific things begin here */
53 /* Start of U-Boot text region */
54 extern char __text_start
[];
56 /* This marks the end of the text region which must be relocated */
57 extern char __image_copy_end
[];
60 * This is the U-Boot entry point - prior to relocation it should be same
63 extern void _start(void);
66 * ARM defines its symbols as char[]. Other arches define them as ulongs.
70 extern char __bss_start
[];
71 extern char __bss_end
[];
72 extern char __image_copy_start
[];
73 extern char __image_copy_end
[];
74 extern char _image_binary_end
[];
75 extern char __rel_dyn_start
[];
76 extern char __rel_dyn_end
[];
78 #else /* don't use offsets: */
80 /* Exports from the Linker Script */
81 extern ulong __data_end
;
82 extern ulong __rel_dyn_start
;
83 extern ulong __rel_dyn_end
;
84 extern ulong __bss_end
;
86 extern ulong _TEXT_BASE
; /* code start */
90 #endif /* _ASM_GENERIC_SECTIONS_H_ */