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Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
f1c2bb8b RW |
2 | /* |
3 | * Linker script for vDSO. This is an ELF shared object prelinked to | |
4 | * its virtual address, and with only one read-only segment. | |
5 | * This script controls its layout. | |
6 | */ | |
7 | ||
8 | SECTIONS | |
9 | { | |
10 | . = VDSO_PRELINK + SIZEOF_HEADERS; | |
11 | ||
12 | .hash : { *(.hash) } :text | |
13 | .gnu.hash : { *(.gnu.hash) } | |
14 | .dynsym : { *(.dynsym) } | |
15 | .dynstr : { *(.dynstr) } | |
16 | .gnu.version : { *(.gnu.version) } | |
17 | .gnu.version_d : { *(.gnu.version_d) } | |
18 | .gnu.version_r : { *(.gnu.version_r) } | |
19 | ||
20 | .note : { *(.note.*) } :text :note | |
21 | ||
22 | .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr | |
23 | .eh_frame : { KEEP (*(.eh_frame)) } :text | |
24 | ||
25 | .dynamic : { *(.dynamic) } :text :dynamic | |
26 | ||
27 | .rodata : { *(.rodata*) } :text | |
28 | .data : { | |
29 | *(.data*) | |
30 | *(.sdata*) | |
31 | *(.got.plt) *(.got) | |
32 | *(.gnu.linkonce.d.*) | |
33 | *(.bss*) | |
34 | *(.dynbss*) | |
35 | *(.gnu.linkonce.b.*) | |
36 | } | |
37 | ||
38 | .altinstructions : { *(.altinstructions) } | |
39 | .altinstr_replacement : { *(.altinstr_replacement) } | |
40 | ||
41 | /* | |
42 | * Align the actual code well away from the non-instruction data. | |
43 | * This is the best thing for the I-cache. | |
44 | */ | |
45 | . = ALIGN(0x100); | |
46 | ||
47 | .text : { *(.text*) } :text =0x90909090 | |
48 | } | |
49 | ||
50 | /* | |
51 | * Very old versions of ld do not recognize this name token; use the constant. | |
52 | */ | |
53 | #define PT_GNU_EH_FRAME 0x6474e550 | |
54 | ||
55 | /* | |
56 | * We must supply the ELF program headers explicitly to get just one | |
57 | * PT_LOAD segment, and set the flags explicitly to make segments read-only. | |
58 | */ | |
59 | PHDRS | |
60 | { | |
61 | text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ | |
62 | dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ | |
63 | note PT_NOTE FLAGS(4); /* PF_R */ | |
64 | eh_frame_hdr PT_GNU_EH_FRAME; | |
65 | } |