1*4882a593Smuzhiyun/* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun#include <asm-generic/vmlinux.lds.h> 3*4882a593Smuzhiyun 4*4882a593SmuzhiyunOUTPUT_FORMAT(CONFIG_OUTPUT_FORMAT) 5*4882a593Smuzhiyun 6*4882a593Smuzhiyun#undef i386 7*4882a593Smuzhiyun 8*4882a593Smuzhiyun#include <asm/cache.h> 9*4882a593Smuzhiyun#include <asm/page_types.h> 10*4882a593Smuzhiyun 11*4882a593Smuzhiyun#ifdef CONFIG_X86_64 12*4882a593SmuzhiyunOUTPUT_ARCH(i386:x86-64) 13*4882a593SmuzhiyunENTRY(startup_64) 14*4882a593Smuzhiyun#else 15*4882a593SmuzhiyunOUTPUT_ARCH(i386) 16*4882a593SmuzhiyunENTRY(startup_32) 17*4882a593Smuzhiyun#endif 18*4882a593Smuzhiyun 19*4882a593SmuzhiyunSECTIONS 20*4882a593Smuzhiyun{ 21*4882a593Smuzhiyun /* Be careful parts of head_64.S assume startup_32 is at 22*4882a593Smuzhiyun * address 0. 23*4882a593Smuzhiyun */ 24*4882a593Smuzhiyun . = 0; 25*4882a593Smuzhiyun .head.text : { 26*4882a593Smuzhiyun _head = . ; 27*4882a593Smuzhiyun HEAD_TEXT 28*4882a593Smuzhiyun _ehead = . ; 29*4882a593Smuzhiyun } 30*4882a593Smuzhiyun .rodata..compressed : { 31*4882a593Smuzhiyun *(.rodata..compressed) 32*4882a593Smuzhiyun } 33*4882a593Smuzhiyun .text : { 34*4882a593Smuzhiyun _text = .; /* Text */ 35*4882a593Smuzhiyun *(.text) 36*4882a593Smuzhiyun *(.text.*) 37*4882a593Smuzhiyun _etext = . ; 38*4882a593Smuzhiyun } 39*4882a593Smuzhiyun .rodata : { 40*4882a593Smuzhiyun _rodata = . ; 41*4882a593Smuzhiyun *(.rodata) /* read-only data */ 42*4882a593Smuzhiyun *(.rodata.*) 43*4882a593Smuzhiyun _erodata = . ; 44*4882a593Smuzhiyun } 45*4882a593Smuzhiyun .data : { 46*4882a593Smuzhiyun _data = . ; 47*4882a593Smuzhiyun *(.data) 48*4882a593Smuzhiyun *(.data.*) 49*4882a593Smuzhiyun *(.bss.efistub) 50*4882a593Smuzhiyun _edata = . ; 51*4882a593Smuzhiyun } 52*4882a593Smuzhiyun . = ALIGN(L1_CACHE_BYTES); 53*4882a593Smuzhiyun .bss : { 54*4882a593Smuzhiyun _bss = . ; 55*4882a593Smuzhiyun *(.bss) 56*4882a593Smuzhiyun *(.bss.*) 57*4882a593Smuzhiyun *(COMMON) 58*4882a593Smuzhiyun . = ALIGN(8); /* For convenience during zeroing */ 59*4882a593Smuzhiyun _ebss = .; 60*4882a593Smuzhiyun } 61*4882a593Smuzhiyun#ifdef CONFIG_X86_64 62*4882a593Smuzhiyun . = ALIGN(PAGE_SIZE); 63*4882a593Smuzhiyun .pgtable : { 64*4882a593Smuzhiyun _pgtable = . ; 65*4882a593Smuzhiyun *(.pgtable) 66*4882a593Smuzhiyun _epgtable = . ; 67*4882a593Smuzhiyun } 68*4882a593Smuzhiyun#endif 69*4882a593Smuzhiyun . = ALIGN(PAGE_SIZE); /* keep ZO size page aligned */ 70*4882a593Smuzhiyun _end = .; 71*4882a593Smuzhiyun 72*4882a593Smuzhiyun STABS_DEBUG 73*4882a593Smuzhiyun DWARF_DEBUG 74*4882a593Smuzhiyun ELF_DETAILS 75*4882a593Smuzhiyun 76*4882a593Smuzhiyun DISCARDS 77*4882a593Smuzhiyun /DISCARD/ : { 78*4882a593Smuzhiyun *(.dynamic) *(.dynsym) *(.dynstr) *(.dynbss) 79*4882a593Smuzhiyun *(.hash) *(.gnu.hash) 80*4882a593Smuzhiyun *(.note.*) 81*4882a593Smuzhiyun } 82*4882a593Smuzhiyun 83*4882a593Smuzhiyun .got.plt (INFO) : { 84*4882a593Smuzhiyun *(.got.plt) 85*4882a593Smuzhiyun } 86*4882a593Smuzhiyun ASSERT(SIZEOF(.got.plt) == 0 || 87*4882a593Smuzhiyun#ifdef CONFIG_X86_64 88*4882a593Smuzhiyun SIZEOF(.got.plt) == 0x18, 89*4882a593Smuzhiyun#else 90*4882a593Smuzhiyun SIZEOF(.got.plt) == 0xc, 91*4882a593Smuzhiyun#endif 92*4882a593Smuzhiyun "Unexpected GOT/PLT entries detected!") 93*4882a593Smuzhiyun 94*4882a593Smuzhiyun /* 95*4882a593Smuzhiyun * Sections that should stay zero sized, which is safer to 96*4882a593Smuzhiyun * explicitly check instead of blindly discarding. 97*4882a593Smuzhiyun */ 98*4882a593Smuzhiyun .got : { 99*4882a593Smuzhiyun *(.got) 100*4882a593Smuzhiyun } 101*4882a593Smuzhiyun ASSERT(SIZEOF(.got) == 0, "Unexpected GOT entries detected!") 102*4882a593Smuzhiyun 103*4882a593Smuzhiyun .plt : { 104*4882a593Smuzhiyun *(.plt) *(.plt.*) 105*4882a593Smuzhiyun } 106*4882a593Smuzhiyun ASSERT(SIZEOF(.plt) == 0, "Unexpected run-time procedure linkages detected!") 107*4882a593Smuzhiyun 108*4882a593Smuzhiyun .rel.dyn : { 109*4882a593Smuzhiyun *(.rel.*) *(.rel_*) 110*4882a593Smuzhiyun } 111*4882a593Smuzhiyun ASSERT(SIZEOF(.rel.dyn) == 0, "Unexpected run-time relocations (.rel) detected!") 112*4882a593Smuzhiyun 113*4882a593Smuzhiyun .rela.dyn : { 114*4882a593Smuzhiyun *(.rela.*) *(.rela_*) 115*4882a593Smuzhiyun } 116*4882a593Smuzhiyun ASSERT(SIZEOF(.rela.dyn) == 0, "Unexpected run-time relocations (.rela) detected!") 117*4882a593Smuzhiyun} 118