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 __rel_dyn_start[];
75 extern char __rel_dyn_end[];
77 #else /* don't use offsets: */
79 /* Exports from the Linker Script */
80 extern ulong __data_end;
81 extern ulong __rel_dyn_start;
82 extern ulong __rel_dyn_end;
83 extern ulong __bss_end;
85 extern ulong _TEXT_BASE; /* code start */
89 #endif /* _ASM_GENERIC_SECTIONS_H_ */