1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Copyright (C) 2015 Imagination Technologies 4 * Author: Alex Smith <alex.smith@imgtec.com> 5 */ 6 7 #include <asm/sgidefs.h> 8 9 #if _MIPS_SIM == _MIPS_SIM_ABI64 10 OUTPUT_FORMAT("elf64-tradlittlemips", "elf64-tradbigmips", "elf64-tradlittlemips") 11 #elif _MIPS_SIM == _MIPS_SIM_NABI32 12 OUTPUT_FORMAT("elf32-ntradlittlemips", "elf32-ntradbigmips", "elf32-ntradlittlemips") 13 #else 14 OUTPUT_FORMAT("elf32-tradlittlemips", "elf32-tradbigmips", "elf32-tradlittlemips") 15 #endif 16 17 OUTPUT_ARCH(mips) 18 19 SECTIONS 20 { 21 PROVIDE(_start = .); 22 . = SIZEOF_HEADERS; 23 24 /* 25 * In order to retain compatibility with older toolchains we provide the 26 * ABI flags section ourself. Newer assemblers will automatically 27 * generate .MIPS.abiflags sections so we discard such input sections, 28 * and then manually define our own section here. genvdso will patch 29 * this section to have the correct name/type. 30 */ 31 .mips_abiflags : { *(.mips_abiflags) } :text :abiflags 32 33 .reginfo : { *(.reginfo) } :text :reginfo 34 35 .hash : { *(.hash) } :text 36 .gnu.hash : { *(.gnu.hash) } 37 .dynsym : { *(.dynsym) } 38 .dynstr : { *(.dynstr) } 39 .gnu.version : { *(.gnu.version) } 40 .gnu.version_d : { *(.gnu.version_d) } 41 .gnu.version_r : { *(.gnu.version_r) } 42 43 .note : { *(.note.*) } :text :note 44 45 .text : { *(.text*) } :text 46 PROVIDE (__etext = .); 47 PROVIDE (_etext = .); 48 PROVIDE (etext = .); 49 50 .eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr 51 .eh_frame : { KEEP (*(.eh_frame)) } :text 52 53 .dynamic : { *(.dynamic) } :text :dynamic 54 55 .rodata : { *(.rodata*) } :text 56 57 _end = .; 58 PROVIDE(end = .); 59 60 /DISCARD/ : { 61 *(.MIPS.abiflags) 62 *(.gnu.attributes) 63 *(.note.GNU-stack) 64 *(.data .data.* .gnu.linkonce.d.* .sdata*) 65 *(.bss .sbss .dynbss .dynsbss) 66 } 67 } 68 69 PHDRS 70 { 71 /* 72 * Provide a PT_MIPS_ABIFLAGS header to assign the ABI flags section 73 * to. We can specify the header type directly here so no modification 74 * is needed later on. 75 */ 76 abiflags 0x70000003; 77 78 /* 79 * The ABI flags header must exist directly after the PT_INTERP header, 80 * so we must explicitly place the PT_MIPS_REGINFO header after it to 81 * stop the linker putting one in at the start. 82 */ 83 reginfo 0x70000000; 84 85 text PT_LOAD FLAGS(5) FILEHDR PHDRS; /* PF_R|PF_X */ 86 dynamic PT_DYNAMIC FLAGS(4); /* PF_R */ 87 note PT_NOTE FLAGS(4); /* PF_R */ 88 eh_frame_hdr PT_GNU_EH_FRAME; 89 } 90 91 VERSION 92 { 93 LINUX_2.6 { 94 #ifndef CONFIG_MIPS_DISABLE_VDSO 95 global: 96 __vdso_clock_gettime; 97 __vdso_gettimeofday; 98 __vdso_clock_getres; 99 #if _MIPS_SIM != _MIPS_SIM_ABI64 100 __vdso_clock_gettime64; 101 #endif 102 #endif 103 local: *; 104 }; 105 } 106