xref: /linux/arch/mips/kernel/vmlinux.lds.S (revision 2b8232ce512105e28453f301d1510de8363bccd1) 
1#include <asm/asm-offsets.h>
2#include <asm-generic/vmlinux.lds.h>
3
4#undef mips
5#define mips mips
6OUTPUT_ARCH(mips)
7ENTRY(kernel_entry)
8jiffies = JIFFIES;
9
10SECTIONS
11{
12#ifdef CONFIG_BOOT_ELF64
13	/* Read-only sections, merged into text segment: */
14	/* . = 0xc000000000000000; */
15
16	/* This is the value for an Origin kernel, taken from an IRIX kernel.  */
17	/* . = 0xc00000000001c000; */
18
19	/* Set the vaddr for the text segment to a value
20	 *   >= 0xa800 0000 0001 9000 if no symmon is going to configured
21	 *   >= 0xa800 0000 0030 0000 otherwise
22	 */
23
24	/* . = 0xa800000000300000; */
25	/* . = 0xa800000000300000; */
26	. = 0xffffffff80300000;
27#endif
28	. = LOADADDR;
29	/* read-only */
30	_text = .;	/* Text and read-only data */
31	.text : {
32		TEXT_TEXT
33		SCHED_TEXT
34		LOCK_TEXT
35		*(.fixup)
36		*(.gnu.warning)
37	} =0
38	_etext = .;	/* End of text section */
39
40	/* Exception table */
41	. = ALIGN(16);
42	__ex_table : {
43		__start___ex_table = .;
44		*(__ex_table)
45		__stop___ex_table = .;
46	}
47
48	/* Exception table for data bus errors */
49	__dbe_table : {
50		__start___dbe_table = .;
51		*(__dbe_table)
52		__stop___dbe_table = .;
53	}
54	RODATA
55
56	/* writeable */
57	.data : {	/* Data */
58	  . = . + DATAOFFSET;		/* for CONFIG_MAPPED_KERNEL */
59	  /*
60	   * This ALIGN is needed as a workaround for a bug a gcc bug upto 4.1 which
61	   * limits the maximum alignment to at most 32kB and results in the following
62	   * warning:
63	   *
64	   *  CC      arch/mips/kernel/init_task.o
65	   * arch/mips/kernel/init_task.c:30: warning: alignment of ‘init_thread_union’
66	   * is greater than maximum object file alignment.  Using 32768
67	   */
68	  . = ALIGN(_PAGE_SIZE);
69	  *(.data.init_task)
70
71	  DATA_DATA
72	  CONSTRUCTORS
73	}
74	_gp = . + 0x8000;
75	.lit8 : {
76		*(.lit8)
77	}
78	.lit4 : {
79		*(.lit4)
80	}
81	/* We want the small data sections together, so single-instruction offsets
82	   can access them all, and initialized data all before uninitialized, so
83	   we can shorten the on-disk segment size.  */
84	.sdata : {
85		*(.sdata)
86	}
87
88	. = ALIGN(_PAGE_SIZE);
89	.data_nosave : {
90		__nosave_begin = .;
91		*(.data.nosave)
92	}
93	. = ALIGN(_PAGE_SIZE);
94	__nosave_end = .;
95
96	. = ALIGN(32);
97	.data.cacheline_aligned : {
98		*(.data.cacheline_aligned)
99	}
100	_edata =  .;			/* End of data section */
101
102	/* will be freed after init */
103	. = ALIGN(_PAGE_SIZE);		/* Init code and data */
104	__init_begin = .;
105	.init.text : {
106		_sinittext = .;
107		*(.init.text)
108		_einittext = .;
109	}
110	.init.data : {
111		*(.init.data)
112	}
113	. = ALIGN(16);
114	.init.setup : {
115		__setup_start = .;
116		*(.init.setup)
117		__setup_end = .;
118	}
119
120	.initcall.init : {
121		__initcall_start = .;
122		INITCALLS
123		__initcall_end = .;
124	}
125
126	.con_initcall.init : {
127		__con_initcall_start = .;
128		*(.con_initcall.init)
129		__con_initcall_end = .;
130	}
131	SECURITY_INIT
132
133	/* .exit.text is discarded at runtime, not link time, to deal with
134	 * references from .rodata
135	 */
136	.exit.text : {
137		*(.exit.text)
138	}
139	.exit.data : {
140		*(.exit.data)
141	}
142#if defined(CONFIG_BLK_DEV_INITRD)
143	. = ALIGN(_PAGE_SIZE);
144	.init.ramfs : {
145		__initramfs_start = .;
146		*(.init.ramfs)
147		__initramfs_end = .;
148	}
149#endif
150	PERCPU(_PAGE_SIZE)
151	. = ALIGN(_PAGE_SIZE);
152	__init_end = .;
153	/* freed after init ends here */
154
155	__bss_start = .;	/* BSS */
156	.sbss  : {
157		*(.sbss)
158		*(.scommon)
159	}
160	.bss : {
161		*(.bss)
162		*(COMMON)
163	}
164	__bss_stop = .;
165
166	_end = . ;
167
168	/* Sections to be discarded */
169	/DISCARD/ : {
170		*(.exitcall.exit)
171
172		/* ABI crap starts here */
173		*(.MIPS.options)
174		*(.options)
175		*(.pdr)
176		*(.reginfo)
177	}
178
179	/* These mark the ABI of the kernel for debuggers.  */
180	.mdebug.abi32 : {
181		KEEP(*(.mdebug.abi32))
182	}
183	.mdebug.abi64 : {
184		KEEP(*(.mdebug.abi64))
185	}
186
187	/* This is the MIPS specific mdebug section.  */
188	.mdebug : {
189		*(.mdebug)
190	}
191
192	STABS_DEBUG
193	DWARF_DEBUG
194
195	/* These must appear regardless of  .  */
196	.gptab.sdata : {
197		*(.gptab.data)
198		*(.gptab.sdata)
199	}
200	.gptab.sbss : {
201		*(.gptab.bss)
202		*(.gptab.sbss)
203	}
204	.note : {
205		*(.note)
206	}
207}
208