xref: /linux/arch/mips/kernel/vmlinux.lds.S (revision 913df4453f85f1fe79b35ecf3c9a0c0b707d22a2)
1#include <asm/asm-offsets.h>
2#include <asm/page.h>
3#include <asm-generic/vmlinux.lds.h>
4
5#undef mips
6#define mips mips
7OUTPUT_ARCH(mips)
8ENTRY(kernel_entry)
9PHDRS {
10	text PT_LOAD FLAGS(7);	/* RWX */
11	note PT_NOTE FLAGS(4);	/* R__ */
12}
13
14#ifdef CONFIG_32BIT
15	#ifdef CONFIG_CPU_LITTLE_ENDIAN
16		jiffies  = jiffies_64;
17	#else
18		jiffies  = jiffies_64 + 4;
19	#endif
20#else
21	jiffies  = jiffies_64;
22#endif
23
24SECTIONS
25{
26#ifdef CONFIG_BOOT_ELF64
27	/* Read-only sections, merged into text segment: */
28	/* . = 0xc000000000000000; */
29
30	/* This is the value for an Origin kernel, taken from an IRIX kernel.  */
31	/* . = 0xc00000000001c000; */
32
33	/* Set the vaddr for the text segment to a value
34	 *   >= 0xa800 0000 0001 9000 if no symmon is going to configured
35	 *   >= 0xa800 0000 0030 0000 otherwise
36	 */
37
38	/* . = 0xa800000000300000; */
39	. = 0xffffffff80300000;
40#endif
41	. = VMLINUX_LOAD_ADDRESS;
42	/* read-only */
43	_text = .;	/* Text and read-only data */
44	.text : {
45		TEXT_TEXT
46		SCHED_TEXT
47		LOCK_TEXT
48		KPROBES_TEXT
49		*(.text.*)
50		*(.fixup)
51		*(.gnu.warning)
52	} :text = 0
53	_etext = .;	/* End of text section */
54
55	EXCEPTION_TABLE(16)
56
57	/* Exception table for data bus errors */
58	__dbe_table : {
59		__start___dbe_table = .;
60		*(__dbe_table)
61		__stop___dbe_table = .;
62	}
63
64	NOTES :text :note
65	.dummy : { *(.dummy) } :text
66
67	RODATA
68
69	/* writeable */
70	.data : {	/* Data */
71		. = . + DATAOFFSET;		/* for CONFIG_MAPPED_KERNEL */
72
73		INIT_TASK_DATA(PAGE_SIZE)
74		NOSAVE_DATA
75		CACHELINE_ALIGNED_DATA(1 << CONFIG_MIPS_L1_CACHE_SHIFT)
76		DATA_DATA
77		CONSTRUCTORS
78	}
79	_gp = . + 0x8000;
80	.lit8 : {
81		*(.lit8)
82	}
83	.lit4 : {
84		*(.lit4)
85	}
86	/* We want the small data sections together, so single-instruction offsets
87	   can access them all, and initialized data all before uninitialized, so
88	   we can shorten the on-disk segment size.  */
89	.sdata : {
90		*(.sdata)
91	}
92	_edata =  .;			/* End of data section */
93
94	/* will be freed after init */
95	. = ALIGN(PAGE_SIZE);		/* Init code and data */
96	__init_begin = .;
97	INIT_TEXT_SECTION(PAGE_SIZE)
98	INIT_DATA_SECTION(16)
99
100	/* .exit.text is discarded at runtime, not link time, to deal with
101	 * references from .rodata
102	 */
103	.exit.text : {
104		EXIT_TEXT
105	}
106	.exit.data : {
107		EXIT_DATA
108	}
109
110	PERCPU(PAGE_SIZE)
111	. = ALIGN(PAGE_SIZE);
112	__init_end = .;
113	/* freed after init ends here */
114
115	BSS_SECTION(0, 0, 0)
116
117	_end = . ;
118
119	/* These mark the ABI of the kernel for debuggers.  */
120	.mdebug.abi32 : {
121		KEEP(*(.mdebug.abi32))
122	}
123	.mdebug.abi64 : {
124		KEEP(*(.mdebug.abi64))
125	}
126
127	/* This is the MIPS specific mdebug section.  */
128	.mdebug : {
129		*(.mdebug)
130	}
131
132	STABS_DEBUG
133	DWARF_DEBUG
134
135	/* These must appear regardless of  .  */
136	.gptab.sdata : {
137		*(.gptab.data)
138		*(.gptab.sdata)
139	}
140	.gptab.sbss : {
141		*(.gptab.bss)
142		*(.gptab.sbss)
143	}
144
145	/* Sections to be discarded */
146	DISCARDS
147	/DISCARD/ : {
148		/* ABI crap starts here */
149		*(.MIPS.options)
150		*(.options)
151		*(.pdr)
152		*(.reginfo)
153	}
154}
155