1 /*
2  * Copyright (c) 2011 The Chromium OS Authors.
3  *
4  * SPDX-License-Identifier:	GPL-2.0+
5  */
6 
7 /* Taken from Linux kernel, commit f56c3196 */
8 
9 #ifndef _ASM_GENERIC_SECTIONS_H_
10 #define _ASM_GENERIC_SECTIONS_H_
11 
12 /* References to section boundaries */
13 
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[];
25 extern char __efi_hello_world_begin[];
26 extern char __efi_hello_world_end[];
27 
28 /* Start and end of .ctors section - used for constructor calls. */
29 extern char __ctors_start[], __ctors_end[];
30 
31 /* function descriptor handling (if any).  Override
32  * in asm/sections.h */
33 #ifndef dereference_function_descriptor
34 #define dereference_function_descriptor(p) (p)
35 #endif
36 
37 /* random extra sections (if any).  Override
38  * in asm/sections.h */
39 #ifndef arch_is_kernel_text
40 static inline int arch_is_kernel_text(unsigned long addr)
41 {
42 	return 0;
43 }
44 #endif
45 
46 #ifndef arch_is_kernel_data
47 static inline int arch_is_kernel_data(unsigned long addr)
48 {
49 	return 0;
50 }
51 #endif
52 
53 /* U-Boot-specific things begin here */
54 
55 /* Start of U-Boot text region */
56 extern char __text_start[];
57 
58 /* This marks the end of the text region which must be relocated */
59 extern char __image_copy_end[];
60 
61 /*
62  * This is the U-Boot entry point - prior to relocation it should be same
63  * as __text_start
64  */
65 extern void _start(void);
66 
67 /*
68  * ARM defines its symbols as char[]. Other arches define them as ulongs.
69  */
70 #ifdef CONFIG_ARM
71 
72 extern char __bss_start[];
73 extern char __bss_end[];
74 extern char __image_copy_start[];
75 extern char __image_copy_end[];
76 extern char _image_binary_end[];
77 extern char __rel_dyn_start[];
78 extern char __rel_dyn_end[];
79 
80 #else /* don't use offsets: */
81 
82 /* Exports from the Linker Script */
83 extern ulong __data_end;
84 extern ulong __rel_dyn_start;
85 extern ulong __rel_dyn_end;
86 extern ulong __bss_end;
87 extern ulong _image_binary_end;
88 
89 extern ulong _TEXT_BASE;	/* code start */
90 
91 #endif
92 
93 #endif /* _ASM_GENERIC_SECTIONS_H_ */
94