projects / people / ms / u-boot.git / blame
| Commit | Line | Data |
|---|---|---|
| 18652864 SG |
1 | /* |
| 2 | * Copyright (c) 2011 The Chromium OS Authors. | |
| 3 | * | |
| 1a459660 | 4 | * SPDX-License-Identifier: GPL-2.0+ |
| 18652864 SG |
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[]; | |
| a733b06b | 19 | extern char _end[], _init[]; |
| 18652864 SG |
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[]; | |
| c7ae3dfd SG |
25 | extern char __efi_hello_world_begin[]; |
| 26 | extern char __efi_hello_world_end[]; | |
| 18652864 SG |
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 | /* | |
| b60eff31 | 68 | * ARM defines its symbols as char[]. Other arches define them as ulongs. |
| 18652864 SG |
69 | */ |
| 70 | #ifdef CONFIG_ARM | |
| 18652864 | 71 | |
| b60eff31 AA |
72 | extern char __bss_start[]; |
| 73 | extern char __bss_end[]; | |
| 74 | extern char __image_copy_start[]; | |
| 75 | extern char __image_copy_end[]; | |
| 10172962 | 76 | extern char _image_binary_end[]; |
| b60eff31 AA |
77 | extern char __rel_dyn_start[]; |
| 78 | extern char __rel_dyn_end[]; | |
| 18652864 SG |
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; | |
| 22d95743 | 87 | extern ulong _image_binary_end; |
| 18652864 SG |
88 | |
| 89 | extern ulong _TEXT_BASE; /* code start */ | |
| 90 | ||
| 91 | #endif | |
| 92 | ||
| 93 | #endif /* _ASM_GENERIC_SECTIONS_H_ */ |