2 * Linker script for vsyscall DSO. The vsyscall page is an ELF shared
3 * object with only one read-only segment (that fits in one page).
4 * This script controls its layout.
11 .hash : { *(.hash) } :text
12 .dynsym : { *(.dynsym) }
13 .dynstr : { *(.dynstr) }
14 .gnu.version : { *(.gnu.version) }
15 .gnu.version_d : { *(.gnu.version_d) }
16 .gnu.version_r : { *(.gnu.version_r) }
18 /* This linker script is used both with -r and with -shared.
19 For the layouts to match, we need to skip more than enough
20 space for the dynamic symbol table et al. If this amount
21 is insufficient, ld -shared will barf. Just increase it here. */
24 .text : { *(.text) } :text =0x90909090
26 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
27 .eh_frame : { KEEP (*(.eh_frame)) } :text
28 .dynamic : { *(.dynamic) } :text :dynamic
31 *(.data .data.* .gnu.linkonce.d.*)
33 *(.bss .bss.* .gnu.linkonce.b.*)
38 * We must supply the ELF program headers explicitly to get just one
39 * PT_LOAD segment, and set the flags explicitly to make segments read-only.
43 text PT_LOAD FILEHDR PHDRS FLAGS(5); /* PF_R|PF_X */
44 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */
45 eh_frame_hdr 0x6474e550; /* PT_GNU_EH_FRAME, but ld doesn't match the name */
49 * This controls what symbols we export from the DSO.
57 __kernel_rt_sigreturn;
63 /* The ELF entry point can be used to set the AT_SYSINFO value. */
64 ENTRY(__kernel_vsyscall);