/* * 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 { #ifdef BUILD_VDSO32 #include .hpet_sect : { hpet_page = . - VDSO_OFFSET(VDSO_HPET_PAGE); } :text :hpet_sect .vvar_sect : { vvar = . - VDSO_OFFSET(VDSO_VVAR_PAGE); /* Place all vvars at the offsets in asm/vvar.h. */ #define EMIT_VVAR(name, offset) vvar_ ## name = vvar + offset; #define __VVAR_KERNEL_LDS #include #undef __VVAR_KERNEL_LDS #undef EMIT_VVAR } :text :vvar_sect #endif . = 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) } .note : { *(.note.*) } :text :note .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr .eh_frame : { KEEP (*(.eh_frame)) } :text .dynamic : { *(.dynamic) } :text :dynamic .rodata : { *(.rodata*) } :text .data : { *(.data*) *(.sdata*) *(.got.plt) *(.got) *(.gnu.linkonce.d.*) *(.bss*) *(.dynbss*) *(.gnu.linkonce.b.*) } .altinstructions : { *(.altinstructions) } .altinstr_replacement : { *(.altinstr_replacement) } /* * Align the actual code well away from the non-instruction data. * This is the best thing for the I-cache. */ . = ALIGN(0x100); .text : { *(.text*) } :text =0x90909090 /DISCARD/ : { *(.discard) *(.discard.*) } } /* * Very old versions of ld do not recognize this name token; use the constant. */ #define PT_GNU_EH_FRAME 0x6474e550 /* * 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. */ PHDRS { text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ note PT_NOTE FLAGS(4); /* PF_R */ eh_frame_hdr PT_GNU_EH_FRAME; #ifdef BUILD_VDSO32 vvar_sect PT_NULL FLAGS(4); /* PF_R */ hpet_sect PT_NULL FLAGS(4); /* PF_R */ #endif }