diff options
Diffstat (limited to 'arch/parisc/kernel/vmlinux.lds.S')
| -rw-r--r-- | arch/parisc/kernel/vmlinux.lds.S | 186 |
1 files changed, 186 insertions, 0 deletions
diff --git a/arch/parisc/kernel/vmlinux.lds.S b/arch/parisc/kernel/vmlinux.lds.S new file mode 100644 index 000000000..ad3a3239e --- /dev/null +++ b/arch/parisc/kernel/vmlinux.lds.S @@ -0,0 +1,186 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* Kernel link layout for various "sections" + * + * Copyright (C) 1999-2003 Matthew Wilcox <willy at parisc-linux.org> + * Copyright (C) 2000-2003 Paul Bame <bame at parisc-linux.org> + * Copyright (C) 2000 John Marvin <jsm at parisc-linux.org> + * Copyright (C) 2000 Michael Ang <mang with subcarrier.org> + * Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org> + * Copyright (C) 2003 James Bottomley <jejb with parisc-linux.org> + * Copyright (C) 2006-2013 Helge Deller <deller@gmx.de> + */ + +/* + * Put page table entries (swapper_pg_dir) as the first thing in .bss. This + * will ensure that it has .bss alignment (PAGE_SIZE). + */ +#define BSS_FIRST_SECTIONS *(.data..vm0.pmd) \ + *(.data..vm0.pgd) \ + *(.data..vm0.pte) + +#define CC_USING_PATCHABLE_FUNCTION_ENTRY +#define RO_EXCEPTION_TABLE_ALIGN 8 + +#include <asm-generic/vmlinux.lds.h> + +/* needed for the processor specific cache alignment size */ +#include <asm/cache.h> +#include <asm/page.h> +#include <asm/asm-offsets.h> +#include <asm/thread_info.h> + +/* 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 + +#define EXIT_TEXT_SECTIONS() .exit.text : { EXIT_TEXT } +#if !defined(CONFIG_64BIT) || defined(CONFIG_MLONGCALLS) +#define MLONGCALL_KEEP(x) +#define MLONGCALL_DISCARD(x) x +#else +#define MLONGCALL_KEEP(x) x +#define MLONGCALL_DISCARD(x) +#endif + +ENTRY(parisc_kernel_start) +#ifndef CONFIG_64BIT +jiffies = jiffies_64 + 4; +#else +jiffies = jiffies_64; +#endif +SECTIONS +{ + . = KERNEL_BINARY_TEXT_START; + + __init_begin = .; + HEAD_TEXT_SECTION + MLONGCALL_DISCARD(INIT_TEXT_SECTION(8)) + + . = ALIGN(PAGE_SIZE); + INIT_DATA_SECTION(PAGE_SIZE) + MLONGCALL_DISCARD(EXIT_TEXT_SECTIONS()) + .exit.data : + { + EXIT_DATA + } + PERCPU_SECTION(8) + . = ALIGN(4); + .altinstructions : { + __alt_instructions = .; + *(.altinstructions) + __alt_instructions_end = .; + } + . = ALIGN(HUGEPAGE_SIZE); + __init_end = .; + /* freed after init ends here */ + + _text = .; /* Text and read-only data */ + _stext = .; + MLONGCALL_KEEP(INIT_TEXT_SECTION(8)) + .text ALIGN(PAGE_SIZE) : { + TEXT_TEXT + LOCK_TEXT + SCHED_TEXT + CPUIDLE_TEXT + KPROBES_TEXT + IRQENTRY_TEXT + SOFTIRQENTRY_TEXT + *(.text.do_softirq) + *(.text.sys_exit) + *(.text.do_sigaltstack) + *(.text.do_fork) + *(.text.div) + *($$*) /* millicode routines */ + *(.text.*) + *(.fixup) + *(.lock.text) /* out-of-line lock text */ + *(.gnu.warning) + } + MLONGCALL_KEEP(EXIT_TEXT_SECTIONS()) + . = ALIGN(PAGE_SIZE); + _etext = .; + /* End of text section */ + + /* Start of data section */ + _sdata = .; + + /* Architecturally we need to keep __gp below 0x1000000 and thus + * in front of RO_DATA() which stores lots of tracepoint + * and ftrace symbols. */ +#ifdef CONFIG_64BIT + . = ALIGN(16); + /* Linkage tables */ + .opd : { + __start_opd = .; + *(.opd) + __end_opd = .; + } PROVIDE (__gp = .); + .plt : { + *(.plt) + } + .dlt : { + *(.dlt) + } +#endif + + RO_DATA(8) + + /* unwind info */ + . = ALIGN(4); + .PARISC.unwind : { + __start___unwind = .; + *(.PARISC.unwind) + __stop___unwind = .; + } + + /* writeable */ + /* Make sure this is page aligned so + * that we can properly leave these + * as writable + */ + . = ALIGN(HUGEPAGE_SIZE); + data_start = .; + + /* Data */ + RW_DATA(L1_CACHE_BYTES, PAGE_SIZE, PAGE_SIZE) + + /* PA-RISC locks requires 16-byte alignment */ + . = ALIGN(16); + .data..lock_aligned : { + *(.data..lock_aligned) + } + + /* End of data section */ + _edata = .; + + /* BSS */ + BSS_SECTION(PAGE_SIZE, PAGE_SIZE, PAGE_SIZE) + + . = ALIGN(HUGEPAGE_SIZE); + _end = . ; + + STABS_DEBUG + ELF_DETAILS + .note 0 : { *(.note) } + + /* Sections to be discarded */ + DISCARDS + /DISCARD/ : { +#ifdef CONFIG_64BIT + /* temporary hack until binutils is fixed to not emit these + * for static binaries + */ + *(.interp) + *(.dynsym) + *(.dynstr) + *(.dynamic) + *(.hash) + *(.gnu.hash) +#endif + } +} |