blob: 9352ab5200e591ba2a0b2cb551f125a2b29dc652 [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * This is the infamous ld script for the 32 bits vdso
3 * library
4 */
5#include <asm/vdso.h>
6
Linus Torvalds1da177e2005-04-16 15:20:36 -07007OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc", "elf32-powerpc")
8OUTPUT_ARCH(powerpc:common)
9ENTRY(_start)
10
11SECTIONS
12{
Roland McGrathd4c9f232007-10-15 20:44:14 -070013 . = VDSO32_LBASE + SIZEOF_HEADERS;
Linus Torvalds1da177e2005-04-16 15:20:36 -070014
Roland McGrathd4c9f232007-10-15 20:44:14 -070015 .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) }
Benjamin Herrenschmidt1b29f9d2005-05-01 08:58:43 -070022
Roland McGrathd4c9f232007-10-15 20:44:14 -070023 .note : { *(.note.*) } :text :note
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
Roland McGrathd4c9f232007-10-15 20:44:14 -070025 . = ALIGN(16);
26 .text : {
27 *(.text .stub .text.* .gnu.linkonce.t.*)
28 }
29 PROVIDE(__etext = .);
30 PROVIDE(_etext = .);
31 PROVIDE(etext = .);
32
33 . = ALIGN(8);
34 __ftr_fixup : { *(__ftr_fixup) }
Benjamin Herrenschmidt0909c8c2006-10-20 11:47:18 +100035
36#ifdef CONFIG_PPC64
Roland McGrathd4c9f232007-10-15 20:44:14 -070037 . = ALIGN(8);
38 __fw_ftr_fixup : { *(__fw_ftr_fixup) }
Benjamin Herrenschmidt0909c8c2006-10-20 11:47:18 +100039#endif
40
Roland McGrathd4c9f232007-10-15 20:44:14 -070041 /*
42 * Other stuff is appended to the text segment:
43 */
44 .rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
45 .rodata1 : { *(.rodata1) }
Linus Torvalds1da177e2005-04-16 15:20:36 -070046
Roland McGrathd4c9f232007-10-15 20:44:14 -070047 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
48 .eh_frame : { KEEP (*(.eh_frame)) } :text
49 .gcc_except_table : { *(.gcc_except_table) }
50 .fixup : { *(.fixup) }
Linus Torvalds1da177e2005-04-16 15:20:36 -070051
Roland McGrathd4c9f232007-10-15 20:44:14 -070052 .dynamic : { *(.dynamic) } :text :dynamic
53 .got : { *(.got) }
54 .plt : { *(.plt) }
Linus Torvalds1da177e2005-04-16 15:20:36 -070055
Roland McGrathd4c9f232007-10-15 20:44:14 -070056 _end = .;
57 __end = .;
58 PROVIDE(end = .);
Linus Torvalds1da177e2005-04-16 15:20:36 -070059
Roland McGrathd4c9f232007-10-15 20:44:14 -070060 /*
61 * Stabs debugging sections are here too.
62 */
63 .stab 0 : { *(.stab) }
64 .stabstr 0 : { *(.stabstr) }
65 .stab.excl 0 : { *(.stab.excl) }
66 .stab.exclstr 0 : { *(.stab.exclstr) }
67 .stab.index 0 : { *(.stab.index) }
68 .stab.indexstr 0 : { *(.stab.indexstr) }
69 .comment 0 : { *(.comment) }
Linus Torvalds1da177e2005-04-16 15:20:36 -070070
Roland McGrathd4c9f232007-10-15 20:44:14 -070071 /*
72 * DWARF debug sections.
73 * Symbols in the DWARF debugging sections are relative to the beginning
74 * of the section so we begin them at 0.
75 */
76 /* DWARF 1 */
77 .debug 0 : { *(.debug) }
78 .line 0 : { *(.line) }
79 /* GNU DWARF 1 extensions */
80 .debug_srcinfo 0 : { *(.debug_srcinfo) }
81 .debug_sfnames 0 : { *(.debug_sfnames) }
82 /* DWARF 1.1 and DWARF 2 */
83 .debug_aranges 0 : { *(.debug_aranges) }
84 .debug_pubnames 0 : { *(.debug_pubnames) }
85 /* DWARF 2 */
86 .debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
87 .debug_abbrev 0 : { *(.debug_abbrev) }
88 .debug_line 0 : { *(.debug_line) }
89 .debug_frame 0 : { *(.debug_frame) }
90 .debug_str 0 : { *(.debug_str) }
91 .debug_loc 0 : { *(.debug_loc) }
92 .debug_macinfo 0 : { *(.debug_macinfo) }
93 /* SGI/MIPS DWARF 2 extensions */
94 .debug_weaknames 0 : { *(.debug_weaknames) }
95 .debug_funcnames 0 : { *(.debug_funcnames) }
96 .debug_typenames 0 : { *(.debug_typenames) }
97 .debug_varnames 0 : { *(.debug_varnames) }
Linus Torvalds1da177e2005-04-16 15:20:36 -070098
Roland McGrathd4c9f232007-10-15 20:44:14 -070099 /DISCARD/ : {
100 *(.note.GNU-stack)
101 *(.data .data.* .gnu.linkonce.d.* .sdata*)
102 *(.bss .sbss .dynbss .dynsbss)
103 }
Linus Torvalds1da177e2005-04-16 15:20:36 -0700104}
105
Roland McGrathd4c9f232007-10-15 20:44:14 -0700106/*
107 * Very old versions of ld do not recognize this name token; use the constant.
108 */
109#define PT_GNU_EH_FRAME 0x6474e550
Linus Torvalds1da177e2005-04-16 15:20:36 -0700110
Roland McGrathd4c9f232007-10-15 20:44:14 -0700111/*
112 * We must supply the ELF program headers explicitly to get just one
113 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
114 */
Linus Torvalds1da177e2005-04-16 15:20:36 -0700115PHDRS
116{
Roland McGrathd4c9f232007-10-15 20:44:14 -0700117 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
118 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
119 note PT_NOTE FLAGS(4); /* PF_R */
120 eh_frame_hdr PT_GNU_EH_FRAME;
Linus Torvalds1da177e2005-04-16 15:20:36 -0700121}
122
Linus Torvalds1da177e2005-04-16 15:20:36 -0700123/*
124 * This controls what symbols we export from the DSO.
125 */
126VERSION
127{
Roland McGrathd4c9f232007-10-15 20:44:14 -0700128 VDSO_VERSION_STRING {
129 global:
130 /*
131 * Has to be there for the kernel to find
132 */
133 __kernel_datapage_offset;
134
135 __kernel_get_syscall_map;
136 __kernel_gettimeofday;
137 __kernel_clock_gettime;
138 __kernel_clock_getres;
139 __kernel_get_tbfreq;
140 __kernel_sync_dicache;
141 __kernel_sync_dicache_p5;
142 __kernel_sigtramp32;
143 __kernel_sigtramp_rt32;
144
145 local: *;
146 };
Linus Torvalds1da177e2005-04-16 15:20:36 -0700147}