/* Kernel link layout for various "sections" * * Copyright (C) 1999-2003 Matthew Wilcox * Copyright (C) 2000-2003 Paul Bame * Copyright (C) 2000 John Marvin * Copyright (C) 2000 Michael Ang * Copyright (C) 2002 Randolph Chung * Copyright (C) 2003 James Bottomley * Copyright (C) 2006 Helge Deller * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #include /* needed for the processor specific cache alignment size */ #include #include #include /* ld script to make hppa Linux kernel */ #ifndef CONFIG_64BIT OUTPUT_FORMAT("elf32-hppa-linux") OUTPUT_ARCH(hppa) #else OUTPUT_FORMAT("elf64-hppa-linux") OUTPUT_ARCH(hppa:hppa2.0w) #endif ENTRY(_stext) #ifndef CONFIG_64BIT jiffies = jiffies_64 + 4; #else jiffies = jiffies_64; #endif SECTIONS { . = KERNEL_BINARY_TEXT_START; _text = .; /* Text and read-only data */ .text ALIGN(16) : { TEXT_TEXT SCHED_TEXT LOCK_TEXT *(.text.do_softirq) *(.text.sys_exit) *(.text.do_sigaltstack) *(.text.do_fork) *(.text.*) *(.fixup) *(.lock.text) /* out-of-line lock text */ *(.gnu.warning) } = 0 _etext = .; /* End of text section */ RODATA BUG_TABLE /* writeable */ . = ALIGN(ASM_PAGE_SIZE); /* Make sure this is page aligned so that we can properly leave these as writable */ data_start = .; . = ALIGN(16); /* Exception table */ __start___ex_table = .; __ex_table : { *(__ex_table) } __stop___ex_table = .; __start___unwind = .; /* unwind info */ .PARISC.unwind : { *(.PARISC.unwind) } __stop___unwind = .; /* rarely changed data like cpu maps */ . = ALIGN(16); .data.read_mostly : { *(.data.read_mostly) } . = ALIGN(L1_CACHE_BYTES); .data : { /* Data */ DATA_DATA CONSTRUCTORS } . = ALIGN(L1_CACHE_BYTES); .data.cacheline_aligned : { *(.data.cacheline_aligned) } /* PA-RISC locks requires 16-byte alignment */ . = ALIGN(16); .data.lock_aligned : { *(.data.lock_aligned) } . = ALIGN(ASM_PAGE_SIZE); /* nosave data is really only used for software suspend...it's here * just in case we ever implement it */ __nosave_begin = .; .data_nosave : { *(.data.nosave) } . = ALIGN(ASM_PAGE_SIZE); __nosave_end = .; _edata = .; /* End of data section */ __bss_start = .; /* BSS */ /* page table entries need to be PAGE_SIZE aligned */ . = ALIGN(ASM_PAGE_SIZE); .data.vmpages : { *(.data.vm0.pmd) *(.data.vm0.pgd) *(.data.vm0.pte) } .bss : { *(.bss) *(COMMON) } __bss_stop = .; /* assembler code expects init_task to be 16k aligned */ . = ALIGN(16384); /* init_task */ .data.init_task : { *(.data.init_task) } /* The interrupt stack is currently partially coded, but not yet * implemented */ . = ALIGN(16384); init_istack : { *(init_istack) } #ifdef CONFIG_64BIT . = ALIGN(16); /* Linkage tables */ .opd : { *(.opd) } PROVIDE (__gp = .); .plt : { *(.plt) } .dlt : { *(.dlt) } #endif /* reserve space for interrupt stack by aligning __init* to 16k */ . = ALIGN(16384); __init_begin = .; .init.text : { _sinittext = .; *(.init.text) _einittext = .; } .init.data : { *(.init.data) } . = ALIGN(16); __setup_start = .; .init.setup : { *(.init.setup) } __setup_end = .; __initcall_start = .; .initcall.init : { INITCALLS } __initcall_end = .; __con_initcall_start = .; .con_initcall.init : { *(.con_initcall.init) } __con_initcall_end = .; SECURITY_INIT /* alternate instruction replacement. This is a mechanism x86 uses * to detect the CPU type and replace generic instruction sequences * with CPU specific ones. We don't currently do this in PA, but * it seems like a good idea... */ . = ALIGN(4); __alt_instructions = .; .altinstructions : { *(.altinstructions) } __alt_instructions_end = .; .altinstr_replacement : { *(.altinstr_replacement) } /* .exit.text is discard at runtime, not link time, to deal with references from .altinstructions and .eh_frame */ .exit.text : { *(.exit.text) } .exit.data : { *(.exit.data) } #ifdef CONFIG_BLK_DEV_INITRD . = ALIGN(ASM_PAGE_SIZE); __initramfs_start = .; .init.ramfs : { *(.init.ramfs) } __initramfs_end = .; #endif PERCPU(ASM_PAGE_SIZE) . = ALIGN(ASM_PAGE_SIZE); __init_end = .; /* freed after init ends here */ _end = . ; /* Sections to be discarded */ /DISCARD/ : { *(.exitcall.exit) #ifdef CONFIG_64BIT /* temporary hack until binutils is fixed to not emit these for static binaries */ *(.interp) *(.dynsym) *(.dynstr) *(.dynamic) *(.hash) *(.gnu.hash) #endif } STABS_DEBUG .note 0 : { *(.note) } }