1/*
2 * This is the infamous ld script for the 32 bits vdso
3 * library
4 */
5#include <asm/vdso.h>
6
7OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
8OUTPUT_ARCH(powerpc:common)
9ENTRY(_start)
10
11SECTIONS
12{
13	. = VDSO32_LBASE + SIZEOF_HEADERS;
14
15	.hash          	: { *(.hash) }			:text
16	.gnu.hash      	: { *(.gnu.hash) }
17	.dynsym        	: { *(.dynsym) }
18	.dynstr        	: { *(.dynstr) }
19	.gnu.version   	: { *(.gnu.version) }
20	.gnu.version_d 	: { *(.gnu.version_d) }
21	.gnu.version_r 	: { *(.gnu.version_r) }
22
23	.note		: { *(.note.*) }		:text	:note
24
25	. = ALIGN(16);
26	.text		: {
27		*(.text .stub .text.* .gnu.linkonce.t.* __ftr_alt_*)
28	}		      	      			:text
29	PROVIDE(__etext = .);
30	PROVIDE(_etext = .);
31	PROVIDE(etext = .);
32
33	. = ALIGN(8);
34	__ftr_fixup	: { *(__ftr_fixup) }
35
36	. = ALIGN(8);
37	__mmu_ftr_fixup	: { *(__mmu_ftr_fixup) }
38
39	. = ALIGN(8);
40	__lwsync_fixup	: { *(__lwsync_fixup) }
41
42#ifdef CONFIG_PPC64
43	. = ALIGN(8);
44	__fw_ftr_fixup	: { *(__fw_ftr_fixup) }
45#endif
46
47	/*
48	 * Other stuff is appended to the text segment:
49	 */
50	.rodata		: { *(.rodata .rodata.* .gnu.linkonce.r.*) }
51	.rodata1	: { *(.rodata1) }
52
53	.eh_frame_hdr	: { *(.eh_frame_hdr) }		:text	:eh_frame_hdr
54	.eh_frame	: { KEEP (*(.eh_frame)) }	:text
55	.gcc_except_table : { *(.gcc_except_table) }
56	.fixup		: { *(.fixup) }
57
58	.dynamic	: { *(.dynamic) }		:text	:dynamic
59	.got		: { *(.got) }			:text
60	.plt		: { *(.plt) }
61
62	_end = .;
63	__end = .;
64	PROVIDE(end = .);
65
66	/*
67	 * Stabs debugging sections are here too.
68	 */
69	.stab 0 : { *(.stab) }
70	.stabstr 0 : { *(.stabstr) }
71	.stab.excl 0 : { *(.stab.excl) }
72	.stab.exclstr 0 : { *(.stab.exclstr) }
73	.stab.index 0 : { *(.stab.index) }
74	.stab.indexstr 0 : { *(.stab.indexstr) }
75	.comment       0 : { *(.comment) }
76
77	/*
78	 * DWARF debug sections.
79	 * Symbols in the DWARF debugging sections are relative to the beginning
80	 * of the section so we begin them at 0.
81	 */
82	/* DWARF 1 */
83	.debug          0 : { *(.debug) }
84	.line           0 : { *(.line) }
85	/* GNU DWARF 1 extensions */
86	.debug_srcinfo  0 : { *(.debug_srcinfo) }
87	.debug_sfnames  0 : { *(.debug_sfnames) }
88	/* DWARF 1.1 and DWARF 2 */
89	.debug_aranges  0 : { *(.debug_aranges) }
90	.debug_pubnames 0 : { *(.debug_pubnames) }
91	/* DWARF 2 */
92	.debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
93	.debug_abbrev   0 : { *(.debug_abbrev) }
94	.debug_line     0 : { *(.debug_line) }
95	.debug_frame    0 : { *(.debug_frame) }
96	.debug_str      0 : { *(.debug_str) }
97	.debug_loc      0 : { *(.debug_loc) }
98	.debug_macinfo  0 : { *(.debug_macinfo) }
99	/* SGI/MIPS DWARF 2 extensions */
100	.debug_weaknames 0 : { *(.debug_weaknames) }
101	.debug_funcnames 0 : { *(.debug_funcnames) }
102	.debug_typenames 0 : { *(.debug_typenames) }
103	.debug_varnames  0 : { *(.debug_varnames) }
104
105	/DISCARD/	: {
106		*(.note.GNU-stack)
107		*(.data .data.* .gnu.linkonce.d.* .sdata*)
108		*(.bss .sbss .dynbss .dynsbss)
109	}
110}
111
112/*
113 * Very old versions of ld do not recognize this name token; use the constant.
114 */
115#define PT_GNU_EH_FRAME	0x6474e550
116
117/*
118 * We must supply the ELF program headers explicitly to get just one
119 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
120 */
121PHDRS
122{
123	text		PT_LOAD FILEHDR PHDRS FLAGS(5);	/* PF_R|PF_X */
124	dynamic		PT_DYNAMIC FLAGS(4);		/* PF_R */
125	note		PT_NOTE FLAGS(4);		/* PF_R */
126	eh_frame_hdr	PT_GNU_EH_FRAME;
127}
128
129/*
130 * This controls what symbols we export from the DSO.
131 */
132VERSION
133{
134	VDSO_VERSION_STRING {
135	global:
136		/*
137		 * Has to be there for the kernel to find
138		 */
139		__kernel_datapage_offset;
140
141		__kernel_get_syscall_map;
142		__kernel_gettimeofday;
143		__kernel_clock_gettime;
144		__kernel_clock_getres;
145		__kernel_get_tbfreq;
146		__kernel_sync_dicache;
147		__kernel_sync_dicache_p5;
148		__kernel_sigtramp32;
149		__kernel_sigtramp_rt32;
150
151	local: *;
152	};
153}
154