185 строки
3.8 KiB
ArmAsm
185 строки
3.8 KiB
ArmAsm
/* 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 */
|
|
.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
|
|
.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
|
|
}
|
|
}
|