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authorRoland McGrath <roland@redhat.com>2008-01-30 07:30:44 -0500
committerIngo Molnar <mingo@elte.hu>2008-01-30 07:30:44 -0500
commit16f4bc738d616962a844e80f7b1fcb52c626542a (patch)
tree15e26944661e9597f9d7ec2579494a0651f6585a /arch/x86/ia32/vsyscall.lds
parentaf65d64845a90c8f2fc90b97e2148ff74672e979 (diff)
x86 vDSO: ia32 vsyscall removal
This removes all the old vsyscall code from arch/x86/ia32/ that is no longer used because arch/x86/vdso/ code has replaced it. Signed-off-by: Roland McGrath <roland@redhat.com> Cc: Andrew Morton <akpm@linux-foundation.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'arch/x86/ia32/vsyscall.lds')
-rw-r--r--arch/x86/ia32/vsyscall.lds80
1 files changed, 0 insertions, 80 deletions
diff --git a/arch/x86/ia32/vsyscall.lds b/arch/x86/ia32/vsyscall.lds
deleted file mode 100644
index 1dc86ff5bcb9..000000000000
--- a/arch/x86/ia32/vsyscall.lds
+++ /dev/null
@@ -1,80 +0,0 @@
1/*
2 * Linker script for vsyscall DSO. The vsyscall page is an ELF shared
3 * object prelinked to its virtual address. This script controls its layout.
4 */
5
6/* This must match <asm/fixmap.h>. */
7VSYSCALL_BASE = 0xffffe000;
8
9SECTIONS
10{
11 . = VSYSCALL_BASE + SIZEOF_HEADERS;
12
13 .hash : { *(.hash) } :text
14 .gnu.hash : { *(.gnu.hash) }
15 .dynsym : { *(.dynsym) }
16 .dynstr : { *(.dynstr) }
17 .gnu.version : { *(.gnu.version) }
18 .gnu.version_d : { *(.gnu.version_d) }
19 .gnu.version_r : { *(.gnu.version_r) }
20
21 /* This linker script is used both with -r and with -shared.
22 For the layouts to match, we need to skip more than enough
23 space for the dynamic symbol table et al. If this amount
24 is insufficient, ld -shared will barf. Just increase it here. */
25 . = VSYSCALL_BASE + 0x400;
26
27 .text.vsyscall : { *(.text.vsyscall) } :text =0x90909090
28
29 /* This is an 32bit object and we cannot easily get the offsets
30 into the 64bit kernel. Just hardcode them here. This assumes
31 that all the stubs don't need more than 0x100 bytes. */
32 . = VSYSCALL_BASE + 0x500;
33
34 .text.sigreturn : { *(.text.sigreturn) } :text =0x90909090
35
36 . = VSYSCALL_BASE + 0x600;
37
38 .text.rtsigreturn : { *(.text.rtsigreturn) } :text =0x90909090
39
40 .note : { *(.note.*) } :text :note
41 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
42 .eh_frame : { KEEP (*(.eh_frame)) } :text
43 .dynamic : { *(.dynamic) } :text :dynamic
44 .useless : {
45 *(.got.plt) *(.got)
46 *(.data .data.* .gnu.linkonce.d.*)
47 *(.dynbss)
48 *(.bss .bss.* .gnu.linkonce.b.*)
49 } :text
50}
51
52/*
53 * We must supply the ELF program headers explicitly to get just one
54 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
55 */
56PHDRS
57{
58 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
59 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
60 note PT_NOTE FLAGS(4); /* PF_R */
61 eh_frame_hdr 0x6474e550; /* PT_GNU_EH_FRAME, but ld doesn't match the name */
62}
63
64/*
65 * This controls what symbols we export from the DSO.
66 */
67VERSION
68{
69 LINUX_2.5 {
70 global:
71 __kernel_vsyscall;
72 __kernel_sigreturn;
73 __kernel_rt_sigreturn;
74
75 local: *;
76 };
77}
78
79/* The ELF entry point can be used to set the AT_SYSINFO value. */
80ENTRY(__kernel_vsyscall);