/arch/parisc/kernel/vmlinux.lds.S

  1/*    Kernel link layout for various "sections"
  2 *
  3 *    Copyright (C) 1999-2003 Matthew Wilcox <willy at parisc-linux.org>
  4 *    Copyright (C) 2000-2003 Paul Bame <bame at parisc-linux.org>
  5 *    Copyright (C) 2000 John Marvin <jsm at parisc-linux.org>
  6 *    Copyright (C) 2000 Michael Ang <mang with subcarrier.org>
  7 *    Copyright (C) 2002 Randolph Chung <tausq with parisc-linux.org>
  8 *    Copyright (C) 2003 James Bottomley <jejb with parisc-linux.org>
  9 *    Copyright (C) 2006 Helge Deller <deller@gmx.de>
 10 *
 11 *
 12 *    This program is free software; you can redistribute it and/or modify
 13 *    it under the terms of the GNU General Public License as published by
 14 *    the Free Software Foundation; either version 2 of the License, or
 15 *    (at your option) any later version.
 16 *
 17 *    This program is distributed in the hope that it will be useful,
 18 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 19 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 20 *    GNU General Public License for more details.
 21 *
 22 *    You should have received a copy of the GNU General Public License
 23 *    along with this program; if not, write to the Free Software
 24 *    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 25 */
 26#include <asm-generic/vmlinux.lds.h>
 27/* needed for the processor specific cache alignment size */	
 28#include <asm/cache.h>
 29#include <asm/page.h>
 30#include <asm/asm-offsets.h>
 31#include <asm/thread_info.h>
 32	
 33/* ld script to make hppa Linux kernel */
 34#ifndef CONFIG_64BIT
 35OUTPUT_FORMAT("elf32-hppa-linux")
 36OUTPUT_ARCH(hppa)
 37#else
 38OUTPUT_FORMAT("elf64-hppa-linux")
 39OUTPUT_ARCH(hppa:hppa2.0w)
 40#endif
 41
 42ENTRY(_stext)
 43#ifndef CONFIG_64BIT
 44jiffies = jiffies_64 + 4;
 45#else
 46jiffies = jiffies_64;
 47#endif
 48SECTIONS
 49{
 50	. = KERNEL_BINARY_TEXT_START;
 51
 52	_text = .;		/* Text and read-only data */
 53	.text ALIGN(16) : {
 54		HEAD_TEXT
 55		TEXT_TEXT
 56		SCHED_TEXT
 57		LOCK_TEXT
 58		KPROBES_TEXT
 59		IRQENTRY_TEXT
 60		*(.text.do_softirq)
 61		*(.text.sys_exit)
 62		*(.text.do_sigaltstack)
 63		*(.text.do_fork)
 64		*(.text.*)
 65		*(.fixup)
 66		*(.lock.text)		/* out-of-line lock text */
 67		*(.gnu.warning)
 68	} = 0
 69	/* End of text section */
 70	_etext = .;
 71
 72	RODATA
 73
 74	/* writeable */
 75	/* Make sure this is page aligned so
 76	 * that we can properly leave these
 77	 * as writable
 78	 */
 79	. = ALIGN(PAGE_SIZE);
 80	data_start = .;
 81
 82	/* unwind info */
 83	.PARISC.unwind : {
 84		__start___unwind = .;
 85		*(.PARISC.unwind)
 86		__stop___unwind = .;
 87	}
 88
 89	EXCEPTION_TABLE(16)
 90	NOTES
 91
 92	/* Data */
 93	RW_DATA_SECTION(L1_CACHE_BYTES, PAGE_SIZE, THREAD_SIZE)
 94
 95	/* PA-RISC locks requires 16-byte alignment */
 96	. = ALIGN(16);
 97	.data..lock_aligned : {
 98		*(.data..lock_aligned)
 99	}
100
101	/* End of data section */
102	_edata = .;
103
104	/* BSS */
105	__bss_start = .;
106	/* page table entries need to be PAGE_SIZE aligned */
107	. = ALIGN(PAGE_SIZE);
108	.data..vmpages : {
109		*(.data..vm0.pmd)
110		*(.data..vm0.pgd)
111		*(.data..vm0.pte)
112	}
113	.bss : {
114		*(.bss)
115		*(COMMON)
116	}
117	__bss_stop = .;
118
119#ifdef CONFIG_64BIT
120	. = ALIGN(16);
121	/* Linkage tables */
122	.opd : {
123		*(.opd)
124	} PROVIDE (__gp = .); 
125	.plt : {
126		*(.plt)
127	} 
128	.dlt : {
129		*(.dlt)
130	}
131#endif
132
133	/* reserve space for interrupt stack by aligning __init* to 16k */
134	. = ALIGN(16384);
135	__init_begin = .;
136	INIT_TEXT_SECTION(16384)
137	INIT_DATA_SECTION(16)
138	/* we have to discard exit text and such at runtime, not link time */
139	.exit.text :
140	{
141		EXIT_TEXT
142	}
143	.exit.data :
144	{
145		EXIT_DATA
146	}
147
148	PERCPU(PAGE_SIZE)
149	. = ALIGN(PAGE_SIZE);
150	__init_end = .;
151	/* freed after init ends here */
152	_end = . ;
153
154	STABS_DEBUG
155	.note 0 : { *(.note) }
156
157	/* Sections to be discarded */
158	DISCARDS
159	/DISCARD/ : {
160#ifdef CONFIG_64BIT
161		/* temporary hack until binutils is fixed to not emit these
162	 	 * for static binaries
163		 */
164		*(.interp)
165		*(.dynsym)
166		*(.dynstr)
167		*(.dynamic)
168		*(.hash)
169		*(.gnu.hash)
170#endif
171	}
172}