1/*
2 * This is the infamous ld script for the 32 bits vdso
3 * library
4 */
5#include <asm/vdso.h>
6
7#ifdef __LITTLE_ENDIAN__
8OUTPUT_FORMAT("elf32-powerpcle", "elf32-powerpcle", "elf32-powerpcle")
9#else
10OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
11#endif
12OUTPUT_ARCH(powerpc:common)
13ENTRY(_start)
14
15SECTIONS
16{
17	. = VDSO32_LBASE + SIZEOF_HEADERS;
18
19	.hash          	: { *(.hash) }			:text
20	.gnu.hash      	: { *(.gnu.hash) }
21	.dynsym        	: { *(.dynsym) }
22	.dynstr        	: { *(.dynstr) }
23	.gnu.version   	: { *(.gnu.version) }
24	.gnu.version_d 	: { *(.gnu.version_d) }
25	.gnu.version_r 	: { *(.gnu.version_r) }
26
27	.note		: { *(.note.*) }		:text	:note
28
29	. = ALIGN(16);
30	.text		: {
31		*(.text .stub .text.* .gnu.linkonce.t.* __ftr_alt_*)
32	}		      	      			:text
33	PROVIDE(__etext = .);
34	PROVIDE(_etext = .);
35	PROVIDE(etext = .);
36
37	. = ALIGN(8);
38	__ftr_fixup	: { *(__ftr_fixup) }
39
40	. = ALIGN(8);
41	__mmu_ftr_fixup	: { *(__mmu_ftr_fixup) }
42
43	. = ALIGN(8);
44	__lwsync_fixup	: { *(__lwsync_fixup) }
45
46#ifdef CONFIG_PPC64
47	. = ALIGN(8);
48	__fw_ftr_fixup	: { *(__fw_ftr_fixup) }
49#endif
50
51	/*
52	 * Other stuff is appended to the text segment:
53	 */
54	.rodata		: { *(.rodata .rodata.* .gnu.linkonce.r.*) }
55	.rodata1	: { *(.rodata1) }
56
57	.eh_frame_hdr	: { *(.eh_frame_hdr) }		:text	:eh_frame_hdr
58	.eh_frame	: { KEEP (*(.eh_frame)) }	:text
59	.gcc_except_table : { *(.gcc_except_table) }
60	.fixup		: { *(.fixup) }
61
62	.dynamic	: { *(.dynamic) }		:text	:dynamic
63	.got		: { *(.got) }			:text
64	.plt		: { *(.plt) }
65
66	_end = .;
67	__end = .;
68	PROVIDE(end = .);
69
70	/*
71	 * Stabs debugging sections are here too.
72	 */
73	.stab 0 : { *(.stab) }
74	.stabstr 0 : { *(.stabstr) }
75	.stab.excl 0 : { *(.stab.excl) }
76	.stab.exclstr 0 : { *(.stab.exclstr) }
77	.stab.index 0 : { *(.stab.index) }
78	.stab.indexstr 0 : { *(.stab.indexstr) }
79	.comment       0 : { *(.comment) }
80
81	/*
82	 * DWARF debug sections.
83	 * Symbols in the DWARF debugging sections are relative to the beginning
84	 * of the section so we begin them at 0.
85	 */
86	/* DWARF 1 */
87	.debug          0 : { *(.debug) }
88	.line           0 : { *(.line) }
89	/* GNU DWARF 1 extensions */
90	.debug_srcinfo  0 : { *(.debug_srcinfo) }
91	.debug_sfnames  0 : { *(.debug_sfnames) }
92	/* DWARF 1.1 and DWARF 2 */
93	.debug_aranges  0 : { *(.debug_aranges) }
94	.debug_pubnames 0 : { *(.debug_pubnames) }
95	/* DWARF 2 */
96	.debug_info     0 : { *(.debug_info .gnu.linkonce.wi.*) }
97	.debug_abbrev   0 : { *(.debug_abbrev) }
98	.debug_line     0 : { *(.debug_line) }
99	.debug_frame    0 : { *(.debug_frame) }
100	.debug_str      0 : { *(.debug_str) }
101	.debug_loc      0 : { *(.debug_loc) }
102	.debug_macinfo  0 : { *(.debug_macinfo) }
103	/* SGI/MIPS DWARF 2 extensions */
104	.debug_weaknames 0 : { *(.debug_weaknames) }
105	.debug_funcnames 0 : { *(.debug_funcnames) }
106	.debug_typenames 0 : { *(.debug_typenames) }
107	.debug_varnames  0 : { *(.debug_varnames) }
108
109	/DISCARD/	: {
110		*(.note.GNU-stack)
111		*(.data .data.* .gnu.linkonce.d.* .sdata*)
112		*(.bss .sbss .dynbss .dynsbss)
113	}
114}
115
116/*
117 * Very old versions of ld do not recognize this name token; use the constant.
118 */
119#define PT_GNU_EH_FRAME	0x6474e550
120
121/*
122 * We must supply the ELF program headers explicitly to get just one
123 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
124 */
125PHDRS
126{
127	text		PT_LOAD FILEHDR PHDRS FLAGS(5);	/* PF_R|PF_X */
128	dynamic		PT_DYNAMIC FLAGS(4);		/* PF_R */
129	note		PT_NOTE FLAGS(4);		/* PF_R */
130	eh_frame_hdr	PT_GNU_EH_FRAME;
131}
132
133/*
134 * This controls what symbols we export from the DSO.
135 */
136VERSION
137{
138	VDSO_VERSION_STRING {
139	global:
140		/*
141		 * Has to be there for the kernel to find
142		 */
143		__kernel_datapage_offset;
144
145		__kernel_get_syscall_map;
146		__kernel_gettimeofday;
147		__kernel_clock_gettime;
148		__kernel_clock_getres;
149		__kernel_get_tbfreq;
150		__kernel_sync_dicache;
151		__kernel_sync_dicache_p5;
152		__kernel_sigtramp32;
153		__kernel_sigtramp_rt32;
154#ifdef CONFIG_PPC64
155		__kernel_getcpu;
156#endif
157		__kernel_time;
158
159	local: *;
160	};
161}
162