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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / cbea79867e906e642d872f8043ea2f9cb6dd7386 / . / include / asm-generic / sections.h
blob: ec992b0c2e3fbb63edc50d8b675a0a57112a587c [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1/* SPDX-License-Identifier: GPL-2.0+ */
Simon Glass18652862013-03-05 14:39:37 +0000[diff] [blame]2/*
3 * Copyright (c) 2011 The Chromium OS Authors.
Simon Glass18652862013-03-05 14:39:37 +0000[diff] [blame]4 */
5
6/* Taken from Linux kernel, commit f56c3196 */
7
8#ifndef _ASM_GENERIC_SECTIONS_H_
9#define _ASM_GENERIC_SECTIONS_H_
10
Sean Andersonfbdbf772019-12-17 21:22:42 -0500[diff] [blame]11#include <linux/types.h>
12
Simon Glass18652862013-03-05 14:39:37 +0000[diff] [blame]13/* References to section boundaries */
14
15extern char _text[], _stext[], _etext[];
16extern char _data[], _sdata[], _edata[];
17extern char __bss_start[], __bss_stop[];
18extern char __init_begin[], __init_end[];
19extern char _sinittext[], _einittext[];
Simon Glassa733b062013-04-26 02:53:43 +0000[diff] [blame]20extern char _end[], _init[];
Simon Glass18652862013-03-05 14:39:37 +0000[diff] [blame]21extern char __per_cpu_load[], __per_cpu_start[], __per_cpu_end[];
22extern char __kprobes_text_start[], __kprobes_text_end[];
23extern char __entry_text_start[], __entry_text_end[];
24extern char __initdata_begin[], __initdata_end[];
25extern char __start_rodata[], __end_rodata[];
Heinrich Schuchardt5e444892017-09-05 03:19:37 +0200[diff] [blame]26extern char __efi_helloworld_begin[];
27extern char __efi_helloworld_end[];
Heinrich Schuchardt7dda1632020-07-14 21:25:28 +0200[diff] [blame]28extern char __efi_var_file_begin[];
29extern char __efi_var_file_end[];
Ilias Apalodimasddf67da2021-07-17 17:26:44 +0300[diff] [blame]30extern char __efi_capsule_sig_begin[];
31extern char __efi_capsule_sig_end[];
Simon Glass18652862013-03-05 14:39:37 +0000[diff] [blame]32
Simon Glassbaf03712021-03-15 17:25:38 +1300[diff] [blame]33/* Private data used by of-platdata devices/uclasses */
34extern char __priv_data_start[], __priv_data_end[];
35
Simon Glass18652862013-03-05 14:39:37 +0000[diff] [blame]36/* Start and end of .ctors section - used for constructor calls. */
37extern char __ctors_start[], __ctors_end[];
38
39/* function descriptor handling (if any). Override
40 * in asm/sections.h */
41#ifndef dereference_function_descriptor
42#define dereference_function_descriptor(p) (p)
43#endif
44
45/* random extra sections (if any). Override
46 * in asm/sections.h */
47#ifndef arch_is_kernel_text
48static inline int arch_is_kernel_text(unsigned long addr)
49{
50 return 0;
51}
52#endif
53
54#ifndef arch_is_kernel_data
55static inline int arch_is_kernel_data(unsigned long addr)
56{
57 return 0;
58}
59#endif
60
61/* U-Boot-specific things begin here */
62
63/* Start of U-Boot text region */
64extern char __text_start[];
65
66/* This marks the end of the text region which must be relocated */
67extern char __image_copy_end[];
68
69/*
70 * This is the U-Boot entry point - prior to relocation it should be same
71 * as __text_start
72 */
73extern void _start(void);
74
75/*
Albert ARIBAUDb60eff32014-02-22 17:53:43 +0100[diff] [blame]76 * ARM defines its symbols as char[]. Other arches define them as ulongs.
Simon Glass18652862013-03-05 14:39:37 +0000[diff] [blame]77 */
78#ifdef CONFIG_ARM
Simon Glass18652862013-03-05 14:39:37 +0000[diff] [blame]79
Albert ARIBAUDb60eff32014-02-22 17:53:43 +0100[diff] [blame]80extern char __bss_start[];
81extern char __bss_end[];
82extern char __image_copy_start[];
83extern char __image_copy_end[];
Simon Glass10172962015-10-17 19:41:19 -0600[diff] [blame]84extern char _image_binary_end[];
Albert ARIBAUDb60eff32014-02-22 17:53:43 +0100[diff] [blame]85extern char __rel_dyn_start[];
86extern char __rel_dyn_end[];
Simon Glass18652862013-03-05 14:39:37 +0000[diff] [blame]87
88#else /* don't use offsets: */
89
90/* Exports from the Linker Script */
91extern ulong __data_end;
92extern ulong __rel_dyn_start;
93extern ulong __rel_dyn_end;
94extern ulong __bss_end;
Simon Glass22d95742016-09-25 21:33:05 -0600[diff] [blame]95extern ulong _image_binary_end;
Simon Glass18652862013-03-05 14:39:37 +0000[diff] [blame]96
97extern ulong _TEXT_BASE; /* code start */
98
99#endif
100
101#endif /* _ASM_GENERIC_SECTIONS_H_ */