1 /* SPDX-License-Identifier: GPL-2.0+ */
2 /*
3 * Copyright (c) 2011 The Chromium OS Authors.
4 */
5
6 /* Taken from Linux kernel, commit f56c3196 */
7
8 #ifndef _ASM_GENERIC_SECTIONS_H_
9 #define _ASM_GENERIC_SECTIONS_H_
10
11 #include <linux/types.h>
12
13 /* References to section boundaries */
14
15 extern char _text[], _stext[], _etext[];
16 extern char _data[], _sdata[], _edata[];
17 extern char __bss_start[], __bss_stop[];
18 extern char __init_begin[], __init_end[];
19 extern char _sinittext[], _einittext[];
20 extern char _end[], _init[];
21 extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[];
22 extern char __kprobes_text_start[], __kprobes_text_end[];
23 extern char __entry_text_start[], __entry_text_end[];
24 extern char __initdata_begin[], __initdata_end[];
25 extern char __start_rodata[], __end_rodata[];
26 extern char __efi_helloworld_begin[];
27 extern char __efi_helloworld_end[];
28 extern char __efi_var_file_begin[];
29 extern char __efi_var_file_end[];
30
31 /* Private data used by of-platdata devices/uclasses */
32 extern char __priv_data_start[], __priv_data_end[];
33
34 /* Start and end of .ctors section - used for constructor calls. */
35 extern char __ctors_start[], __ctors_end[];
36
37 /* function descriptor handling (if any). Override
38 * in asm/sections.h */
39 #ifndef dereference_function_descriptor
40 #define dereference_function_descriptor(p) (p)
41 #endif
42
43 /* random extra sections (if any). Override
44 * in asm/sections.h */
45 #ifndef arch_is_kernel_text
arch_is_kernel_text(unsigned long addr)46 static inline int arch_is_kernel_text(unsigned long addr)
47 {
48 return 0;
49 }
50 #endif
51
52 #ifndef arch_is_kernel_data
arch_is_kernel_data(unsigned long addr)53 static inline int arch_is_kernel_data(unsigned long addr)
54 {
55 return 0;
56 }
57 #endif
58
59 /* U-Boot-specific things begin here */
60
61 /* Start of U-Boot text region */
62 extern char __text_start[];
63
64 /* This marks the end of the text region which must be relocated */
65 extern char __image_copy_end[];
66
67 /*
68 * This is the U-Boot entry point - prior to relocation it should be same
69 * as __text_start
70 */
71 extern void _start(void);
72
73 /*
74 * ARM defines its symbols as char[]. Other arches define them as ulongs.
75 */
76 #ifdef CONFIG_ARM
77
78 extern char __bss_start[];
79 extern char __bss_end[];
80 extern char __image_copy_start[];
81 extern char __image_copy_end[];
82 extern char _image_binary_end[];
83 extern char __rel_dyn_start[];
84 extern char __rel_dyn_end[];
85
86 #else /* don't use offsets: */
87
88 /* Exports from the Linker Script */
89 extern ulong __data_end;
90 extern ulong __rel_dyn_start;
91 extern ulong __rel_dyn_end;
92 extern ulong __bss_end;
93 extern ulong _image_binary_end;
94
95 extern ulong _TEXT_BASE; /* code start */
96
97 #endif
98
99 #endif /* _ASM_GENERIC_SECTIONS_H_ */
100