1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* ld script to make ARM Linux kernel !! 2 #if defined(CONFIG_MMU) && !defined(CONFIG_COLDFIRE)
3 * taken from the i386 version by Russell King !! 3 PHDRS
4 * Written by Martin Mares <mj@atrey.karlin.mff <<
5 */ <<
6 <<
7 #ifdef CONFIG_XIP_KERNEL <<
8 #include "vmlinux-xip.lds.S" <<
9 #else <<
10 <<
11 #include <linux/pgtable.h> <<
12 #include <asm/vmlinux.lds.h> <<
13 #include <asm/cache.h> <<
14 #include <asm/thread_info.h> <<
15 #include <asm/page.h> <<
16 #include <asm/mpu.h> <<
17 <<
18 OUTPUT_ARCH(arm) <<
19 ENTRY(stext) <<
20 <<
21 #ifndef __ARMEB__ <<
22 jiffies = jiffies_64; <<
23 #else <<
24 jiffies = jiffies_64 + 4; <<
25 #endif <<
26 <<
27 SECTIONS <<
28 { 4 {
29 /* !! 5 text PT_LOAD FILEHDR PHDRS FLAGS (7);
30 * XXX: The linker does not define how !! 6 data PT_LOAD FLAGS (7);
31 * assigned to input sections when the !! 7 }
32 * matching the same input section nam !! 8 #ifdef CONFIG_SUN3
33 * order of matching. !! 9 #include "vmlinux-sun3.lds"
34 * <<
35 * unwind exit sections must be discar <<
36 * unwind sections get included. <<
37 */ <<
38 /DISCARD/ : { <<
39 ARM_DISCARD <<
40 #ifndef CONFIG_SMP_ON_UP <<
41 *(.alt.smp.init) <<
42 #endif <<
43 #ifndef CONFIG_ARM_UNWIND <<
44 *(.ARM.exidx) *(.ARM.exidx.*) <<
45 *(.ARM.extab) *(.ARM.extab.*) <<
46 #endif <<
47 } <<
48 <<
49 . = KERNEL_OFFSET + TEXT_OFFSET; <<
50 .head.text : { <<
51 _text = .; <<
52 HEAD_TEXT <<
53 } <<
54 <<
55 #ifdef CONFIG_STRICT_KERNEL_RWX <<
56 . = ALIGN(1<<SECTION_SHIFT); <<
57 #endif <<
58 <<
59 #ifdef CONFIG_ARM_MPU <<
60 . = ALIGN(PMSAv8_MINALIGN); <<
61 #endif <<
62 .text : { /* Rea <<
63 _stext = .; /* Tex <<
64 ARM_TEXT <<
65 } <<
66 <<
67 #ifdef CONFIG_DEBUG_ALIGN_RODATA <<
68 . = ALIGN(1<<SECTION_SHIFT); <<
69 #endif <<
70 _etext = .; /* End <<
71 <<
72 RO_DATA(PAGE_SIZE) <<
73 <<
74 . = ALIGN(4); <<
75 __ex_table : AT(ADDR(__ex_table) - LOA <<
76 __start___ex_table = .; <<
77 ARM_MMU_KEEP(KEEP(*(__ex_table <<
78 __stop___ex_table = .; <<
79 } <<
80 <<
81 #ifdef CONFIG_ARM_UNWIND <<
82 ARM_UNWIND_SECTIONS <<
83 #endif <<
84 <<
85 #ifdef CONFIG_STRICT_KERNEL_RWX <<
86 . = ALIGN(1<<SECTION_SHIFT); <<
87 #else 10 #else
88 . = ALIGN(PAGE_SIZE); !! 11 #include "vmlinux-std.lds"
89 #endif <<
90 __init_begin = .; <<
91 <<
92 ARM_VECTORS <<
93 INIT_TEXT_SECTION(8) <<
94 .exit.text : { <<
95 ARM_EXIT_KEEP(EXIT_TEXT) <<
96 } <<
97 .init.proc.info : { <<
98 ARM_CPU_DISCARD(PROC_INFO) <<
99 } <<
100 .init.arch.info : { <<
101 __arch_info_begin = .; <<
102 KEEP(*(.arch.info.init)) <<
103 __arch_info_end = .; <<
104 } <<
105 .init.tagtable : { <<
106 __tagtable_begin = .; <<
107 *(.taglist.init) <<
108 __tagtable_end = .; <<
109 } <<
110 #ifdef CONFIG_SMP_ON_UP <<
111 .init.smpalt : { <<
112 __smpalt_begin = .; <<
113 *(.alt.smp.init) <<
114 __smpalt_end = .; <<
115 } <<
116 #endif <<
117 .init.pv_table : { <<
118 __pv_table_begin = .; <<
119 KEEP(*(.pv_table)) <<
120 __pv_table_end = .; <<
121 } <<
122 <<
123 INIT_DATA_SECTION(16) <<
124 <<
125 .exit.data : { <<
126 ARM_EXIT_KEEP(EXIT_DATA) <<
127 } <<
128 <<
129 #ifdef CONFIG_SMP <<
130 PERCPU_SECTION(L1_CACHE_BYTES) <<
131 #endif <<
132 <<
133 #ifdef CONFIG_HAVE_TCM <<
134 ARM_TCM <<
135 #endif 12 #endif
136 <<
137 #ifdef CONFIG_STRICT_KERNEL_RWX <<
138 . = ALIGN(1<<SECTION_SHIFT); <<
139 #else 13 #else
140 . = ALIGN(THREAD_ALIGN); !! 14 #include "vmlinux-nommu.lds"
141 #endif <<
142 __init_end = .; <<
143 <<
144 _sdata = .; <<
145 RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, THR <<
146 _edata = .; <<
147 <<
148 BSS_SECTION(0, 0, 0) <<
149 #ifdef CONFIG_ARM_MPU <<
150 . = ALIGN(PMSAv8_MINALIGN); <<
151 #endif <<
152 _end = .; <<
153 <<
154 STABS_DEBUG <<
155 DWARF_DEBUG <<
156 ARM_DETAILS <<
157 <<
158 ARM_ASSERTS <<
159 } <<
160 <<
161 #ifdef CONFIG_STRICT_KERNEL_RWX <<
162 /* <<
163 * Without CONFIG_DEBUG_ALIGN_RODATA, __start_ <<
164 * be the first section-aligned location after <<
165 * it will be equal to __start_rodata. <<
166 */ <<
167 __start_rodata_section_aligned = ALIGN(__start <<
168 #endif <<
169 <<
170 /* <<
171 * These must never be empty <<
172 * If you have to comment these two assert sta <<
173 * binutils is too old (for other reasons as w <<
174 */ <<
175 ASSERT((__proc_info_end - __proc_info_begin), <<
176 #ifndef CONFIG_COMPILE_TEST <<
177 ASSERT((__arch_info_end - __arch_info_begin), <<
178 #endif 15 #endif
179 <<
180 #endif /* CONFIG_XIP_KERNEL */ <<
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