xref: /openbmc/linux/arch/ia64/kernel/vmlinux.lds.S (revision 293d5b43)
1
2#include <asm/cache.h>
3#include <asm/ptrace.h>
4#include <asm/pgtable.h>
5
6#include <asm-generic/vmlinux.lds.h>
7
8OUTPUT_FORMAT("elf64-ia64-little")
9OUTPUT_ARCH(ia64)
10ENTRY(phys_start)
11jiffies = jiffies_64;
12
13PHDRS {
14	code   PT_LOAD;
15	percpu PT_LOAD;
16	data   PT_LOAD;
17	note   PT_NOTE;
18	unwind 0x70000001; /* PT_IA_64_UNWIND, but ld doesn't match the name */
19}
20
21SECTIONS {
22	/*
23	 * unwind exit sections must be discarded before
24	 * the rest of the sections get included.
25	 */
26	/DISCARD/ : {
27		*(.IA_64.unwind.exit.text)
28		*(.IA_64.unwind_info.exit.text)
29		*(.comment)
30		*(.note)
31	}
32
33	v = PAGE_OFFSET; /* this symbol is here to make debugging easier... */
34	phys_start = _start - LOAD_OFFSET;
35
36	code : {
37	} :code
38	. = KERNEL_START;
39
40	_text = .;
41	_stext = .;
42
43	.text : AT(ADDR(.text) - LOAD_OFFSET) {
44		__start_ivt_text = .;
45		*(.text..ivt)
46		__end_ivt_text = .;
47		TEXT_TEXT
48		SCHED_TEXT
49		LOCK_TEXT
50		KPROBES_TEXT
51		*(.gnu.linkonce.t*)
52	}
53
54	.text2 : AT(ADDR(.text2) - LOAD_OFFSET)	{
55		*(.text2)
56	}
57
58#ifdef CONFIG_SMP
59	.text..lock : AT(ADDR(.text..lock) - LOAD_OFFSET) {
60		*(.text..lock)
61	}
62#endif
63	_etext = .;
64
65	/*
66	 * Read-only data
67	 */
68	NOTES :code :note       /* put .notes in text and mark in PT_NOTE  */
69	code_continues : {
70	} : code               /* switch back to regular program...  */
71
72	EXCEPTION_TABLE(16)
73
74	/* MCA table */
75	. = ALIGN(16);
76	__mca_table : AT(ADDR(__mca_table) - LOAD_OFFSET) {
77		__start___mca_table = .;
78		*(__mca_table)
79		__stop___mca_table = .;
80	}
81
82	.data..patch.phys_stack_reg : AT(ADDR(.data..patch.phys_stack_reg) - LOAD_OFFSET) {
83		__start___phys_stack_reg_patchlist = .;
84		*(.data..patch.phys_stack_reg)
85		__end___phys_stack_reg_patchlist = .;
86	}
87
88	/*
89	 * Global data
90	 */
91	_data = .;
92
93	/* Unwind info & table: */
94	. = ALIGN(8);
95	.IA_64.unwind_info : AT(ADDR(.IA_64.unwind_info) - LOAD_OFFSET) {
96		*(.IA_64.unwind_info*)
97	}
98	.IA_64.unwind : AT(ADDR(.IA_64.unwind) - LOAD_OFFSET) {
99		__start_unwind = .;
100		*(.IA_64.unwind*)
101		__end_unwind = .;
102	} :code :unwind
103	code_continues2 : {
104	} : code
105
106	RODATA
107
108	.opd : AT(ADDR(.opd) - LOAD_OFFSET) {
109		*(.opd)
110	}
111
112	/*
113	 * Initialization code and data:
114	 */
115	. = ALIGN(PAGE_SIZE);
116	__init_begin = .;
117
118	INIT_TEXT_SECTION(PAGE_SIZE)
119	INIT_DATA_SECTION(16)
120
121	.data..patch.vtop : AT(ADDR(.data..patch.vtop) - LOAD_OFFSET) {
122		__start___vtop_patchlist = .;
123		*(.data..patch.vtop)
124		__end___vtop_patchlist = .;
125	}
126
127	.data..patch.rse : AT(ADDR(.data..patch.rse) - LOAD_OFFSET) {
128		__start___rse_patchlist = .;
129		*(.data..patch.rse)
130		__end___rse_patchlist = .;
131	}
132
133	.data..patch.mckinley_e9 : AT(ADDR(.data..patch.mckinley_e9) - LOAD_OFFSET) {
134		__start___mckinley_e9_bundles = .;
135		*(.data..patch.mckinley_e9)
136		__end___mckinley_e9_bundles = .;
137	}
138
139#if defined(CONFIG_IA64_GENERIC)
140	/* Machine Vector */
141	. = ALIGN(16);
142	.machvec : AT(ADDR(.machvec) - LOAD_OFFSET) {
143		machvec_start = .;
144		*(.machvec)
145		machvec_end = .;
146	}
147#endif
148
149#ifdef	CONFIG_SMP
150	. = ALIGN(PERCPU_PAGE_SIZE);
151	__cpu0_per_cpu = .;
152	. = . + PERCPU_PAGE_SIZE;   /* cpu0 per-cpu space */
153#endif
154
155	. = ALIGN(PAGE_SIZE);
156	__init_end = .;
157
158	.data..page_aligned : AT(ADDR(.data..page_aligned) - LOAD_OFFSET) {
159		PAGE_ALIGNED_DATA(PAGE_SIZE)
160		. = ALIGN(PAGE_SIZE);
161		__start_gate_section = .;
162		*(.data..gate)
163		__stop_gate_section = .;
164	}
165	/*
166	 * make sure the gate page doesn't expose
167	 * kernel data
168	 */
169	. = ALIGN(PAGE_SIZE);
170
171	/* Per-cpu data: */
172	. = ALIGN(PERCPU_PAGE_SIZE);
173	PERCPU_VADDR(SMP_CACHE_BYTES, PERCPU_ADDR, :percpu)
174	__phys_per_cpu_start = __per_cpu_load;
175	/*
176	 * ensure percpu data fits
177	 * into percpu page size
178	 */
179	. = __phys_per_cpu_start + PERCPU_PAGE_SIZE;
180
181	data : {
182	} :data
183	.data : AT(ADDR(.data) - LOAD_OFFSET) {
184		_sdata  =  .;
185		INIT_TASK_DATA(PAGE_SIZE)
186		CACHELINE_ALIGNED_DATA(SMP_CACHE_BYTES)
187		READ_MOSTLY_DATA(SMP_CACHE_BYTES)
188		DATA_DATA
189		*(.data1)
190		*(.gnu.linkonce.d*)
191		CONSTRUCTORS
192	}
193
194	. = ALIGN(16);	/* gp must be 16-byte aligned for exc. table */
195	.got : AT(ADDR(.got) - LOAD_OFFSET) {
196		*(.got.plt)
197		*(.got)
198	}
199	__gp = ADDR(.got) + 0x200000;
200
201	/*
202	 * We want the small data sections together,
203	 * so single-instruction offsets can access
204	 * them all, and initialized data all before
205	 * uninitialized, so we can shorten the
206	 * on-disk segment size.
207	 */
208	.sdata : AT(ADDR(.sdata) - LOAD_OFFSET) {
209		*(.sdata)
210		*(.sdata1)
211		*(.srdata)
212	}
213	_edata  =  .;
214
215	BSS_SECTION(0, 0, 0)
216
217	_end = .;
218
219	code : {
220	} :code
221
222	STABS_DEBUG
223	DWARF_DEBUG
224
225	/* Default discards */
226	DISCARDS
227}
228