162306a36Sopenharmony_ci/* SPDX-License-Identifier: GPL-2.0 */ 262306a36Sopenharmony_ci/* 362306a36Sopenharmony_ci * Linker script for vDSO. This is an ELF shared object prelinked to 462306a36Sopenharmony_ci * its virtual address, and with only one read-only segment. 562306a36Sopenharmony_ci * This script controls its layout. 662306a36Sopenharmony_ci */ 762306a36Sopenharmony_ci 862306a36Sopenharmony_ciSECTIONS 962306a36Sopenharmony_ci{ 1062306a36Sopenharmony_ci . = VDSO_PRELINK + SIZEOF_HEADERS; 1162306a36Sopenharmony_ci 1262306a36Sopenharmony_ci .hash : { *(.hash) } :text 1362306a36Sopenharmony_ci .gnu.hash : { *(.gnu.hash) } 1462306a36Sopenharmony_ci .dynsym : { *(.dynsym) } 1562306a36Sopenharmony_ci .dynstr : { *(.dynstr) } 1662306a36Sopenharmony_ci .gnu.version : { *(.gnu.version) } 1762306a36Sopenharmony_ci .gnu.version_d : { *(.gnu.version_d) } 1862306a36Sopenharmony_ci .gnu.version_r : { *(.gnu.version_r) } 1962306a36Sopenharmony_ci 2062306a36Sopenharmony_ci .note : { *(.note.*) } :text :note 2162306a36Sopenharmony_ci 2262306a36Sopenharmony_ci .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 2362306a36Sopenharmony_ci .eh_frame : { KEEP (*(.eh_frame)) } :text 2462306a36Sopenharmony_ci 2562306a36Sopenharmony_ci .dynamic : { *(.dynamic) } :text :dynamic 2662306a36Sopenharmony_ci 2762306a36Sopenharmony_ci .rodata : { *(.rodata*) } :text 2862306a36Sopenharmony_ci .data : { 2962306a36Sopenharmony_ci *(.data*) 3062306a36Sopenharmony_ci *(.sdata*) 3162306a36Sopenharmony_ci *(.got.plt) *(.got) 3262306a36Sopenharmony_ci *(.gnu.linkonce.d.*) 3362306a36Sopenharmony_ci *(.bss*) 3462306a36Sopenharmony_ci *(.dynbss*) 3562306a36Sopenharmony_ci *(.gnu.linkonce.b.*) 3662306a36Sopenharmony_ci } 3762306a36Sopenharmony_ci 3862306a36Sopenharmony_ci .altinstructions : { *(.altinstructions) } 3962306a36Sopenharmony_ci .altinstr_replacement : { *(.altinstr_replacement) } 4062306a36Sopenharmony_ci 4162306a36Sopenharmony_ci /* 4262306a36Sopenharmony_ci * Align the actual code well away from the non-instruction data. 4362306a36Sopenharmony_ci * This is the best thing for the I-cache. 4462306a36Sopenharmony_ci */ 4562306a36Sopenharmony_ci . = ALIGN(0x100); 4662306a36Sopenharmony_ci 4762306a36Sopenharmony_ci .text : { *(.text*) } :text =0x90909090 4862306a36Sopenharmony_ci} 4962306a36Sopenharmony_ci 5062306a36Sopenharmony_ci/* 5162306a36Sopenharmony_ci * Very old versions of ld do not recognize this name token; use the constant. 5262306a36Sopenharmony_ci */ 5362306a36Sopenharmony_ci#define PT_GNU_EH_FRAME 0x6474e550 5462306a36Sopenharmony_ci 5562306a36Sopenharmony_ci/* 5662306a36Sopenharmony_ci * We must supply the ELF program headers explicitly to get just one 5762306a36Sopenharmony_ci * PT_LOAD segment, and set the flags explicitly to make segments read-only. 5862306a36Sopenharmony_ci */ 5962306a36Sopenharmony_ciPHDRS 6062306a36Sopenharmony_ci{ 6162306a36Sopenharmony_ci text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ 6262306a36Sopenharmony_ci dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 6362306a36Sopenharmony_ci note PT_NOTE FLAGS(4); /* PF_R */ 6462306a36Sopenharmony_ci eh_frame_hdr PT_GNU_EH_FRAME; 6562306a36Sopenharmony_ci} 66