1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 | /* SPDX-License-Identifier: GPL-2.0 */ #include <asm/vdso.h> #include <asm/vdso/vsyscall.h> #include <vdso/datapage.h> /* * Linker script for vDSO. This is an ELF shared object prelinked to * its virtual address, and with only one read-only segment. * This script controls its layout. */ SECTIONS { /* * User/kernel shared data is before the vDSO. This may be a little * uglier than putting it after the vDSO, but it avoids issues with * non-allocatable things that dangle past the end of the PT_LOAD * segment. */ VDSO_VVAR_SYMS vclock_pages = VDSO_VCLOCK_PAGES_START(vdso_u_data); pvclock_page = vclock_pages + VDSO_PAGE_PVCLOCK_OFFSET * PAGE_SIZE; hvclock_page = vclock_pages + VDSO_PAGE_HVCLOCK_OFFSET * PAGE_SIZE; . = SIZEOF_HEADERS; .hash : { *(.hash) } :text .gnu.hash : { *(.gnu.hash) } .dynsym : { *(.dynsym) } .dynstr : { *(.dynstr) } .gnu.version : { *(.gnu.version) } .gnu.version_d : { *(.gnu.version_d) } .gnu.version_r : { *(.gnu.version_r) } .dynamic : { *(.dynamic) } :text :dynamic .rodata : { *(.rodata*) *(.data*) *(.sdata*) *(.got.plt) *(.got) *(.gnu.linkonce.d.*) *(.bss*) *(.dynbss*) *(.gnu.linkonce.b.*) } :text .note.gnu.property : { *(.note.gnu.property) } :text :note :gnu_property .note : { *(.note*) } :text :note .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr .eh_frame : { KEEP (*(.eh_frame)) *(.eh_frame.*) } :text /* * Text is well-separated from actual data: there's plenty of * stuff that isn't used at runtime in between. */ .text : { *(.text*) } :text =0x90909090, .altinstructions : { *(.altinstructions) } :text .altinstr_replacement : { *(.altinstr_replacement) } :text __ex_table : { *(__ex_table) } :text /DISCARD/ : { *(.discard) *(.discard.*) *(__bug_table) } } /* * Very old versions of ld do not recognize this name token; use the constant. */ #define PT_GNU_EH_FRAME 0x6474e550 #define PT_GNU_STACK 0x6474e551 #define PT_GNU_PROPERTY 0x6474e553 /* * We must supply the ELF program headers explicitly to get just one * PT_LOAD segment, and set the flags explicitly to make segments read-only. */ #define PF_R FLAGS(4) #define PF_RW FLAGS(6) #define PF_RX FLAGS(5) PHDRS { text PT_LOAD PF_RX FILEHDR PHDRS; dynamic PT_DYNAMIC PF_R; note PT_NOTE PF_R; eh_frame_hdr PT_GNU_EH_FRAME PF_R; gnu_stack PT_GNU_STACK PF_RW; gnu_property PT_GNU_PROPERTY PF_R; } |