2008-11-30 12:44:32 +07:00
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/* ld script for sparc32/sparc64 kernel */
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2005-04-17 05:20:36 +07:00
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#include <asm-generic/vmlinux.lds.h>
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2008-12-27 15:34:41 +07:00
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2007-09-18 09:02:30 +07:00
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#include <asm/page.h>
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2008-12-27 15:34:41 +07:00
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#include <asm/thread_info.h>
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2005-04-17 05:20:36 +07:00
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2008-11-30 12:44:32 +07:00
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#ifdef CONFIG_SPARC32
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#define INITIAL_ADDRESS 0x10000 + SIZEOF_HEADERS
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#define TEXTSTART 0xf0004000
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#define SMP_CACHE_BYTES_SHIFT 5
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#else
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#define SMP_CACHE_BYTES_SHIFT 6
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#define INITIAL_ADDRESS 0x4000
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#define TEXTSTART 0x0000000000404000
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#endif
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#define SMP_CACHE_BYTES (1 << SMP_CACHE_BYTES_SHIFT)
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#ifdef CONFIG_SPARC32
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2005-04-17 05:20:36 +07:00
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OUTPUT_FORMAT("elf32-sparc", "elf32-sparc", "elf32-sparc")
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OUTPUT_ARCH(sparc)
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ENTRY(_start)
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jiffies = jiffies_64 + 4;
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2008-11-30 12:44:32 +07:00
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#else
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/* sparc64 */
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OUTPUT_FORMAT("elf64-sparc", "elf64-sparc", "elf64-sparc")
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OUTPUT_ARCH(sparc:v9a)
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ENTRY(_start)
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jiffies = jiffies_64;
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#endif
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2016-04-28 04:27:37 +07:00
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#ifdef CONFIG_SPARC64
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ASSERT((swapper_tsb == 0x0000000000408000), "Error: sparc64 early assembler too large")
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#endif
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2005-04-17 05:20:36 +07:00
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SECTIONS
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{
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2014-09-28 11:30:57 +07:00
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#ifdef CONFIG_SPARC64
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swapper_pg_dir = 0x0000000000402000;
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#endif
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2008-11-30 12:44:32 +07:00
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. = INITIAL_ADDRESS;
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.text TEXTSTART :
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2007-09-18 09:02:30 +07:00
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{
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_text = .;
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2009-04-26 09:11:08 +07:00
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HEAD_TEXT
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2007-09-18 09:02:30 +07:00
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TEXT_TEXT
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SCHED_TEXT
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LOCK_TEXT
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2008-11-30 12:44:32 +07:00
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KPROBES_TEXT
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2010-04-07 18:41:33 +07:00
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IRQENTRY_TEXT
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2016-03-26 04:22:05 +07:00
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SOFTIRQENTRY_TEXT
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2007-09-18 09:02:30 +07:00
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*(.gnu.warning)
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} = 0
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_etext = .;
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2008-11-30 12:44:32 +07:00
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RO_DATA(PAGE_SIZE)
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2010-04-09 14:14:35 +07:00
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/* Start of data section */
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_sdata = .;
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2007-09-18 09:02:30 +07:00
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.data1 : {
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*(.data1)
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}
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2009-09-19 02:52:09 +07:00
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RW_DATA_SECTION(SMP_CACHE_BYTES, 0, THREAD_SIZE)
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2008-12-27 15:34:41 +07:00
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/* End of data section */
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2007-09-18 09:02:30 +07:00
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_edata = .;
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2008-12-27 15:34:41 +07:00
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2007-09-18 09:02:30 +07:00
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.fixup : {
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__start___fixup = .;
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*(.fixup)
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__stop___fixup = .;
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}
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2009-09-19 02:52:09 +07:00
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EXCEPTION_TABLE(16)
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2007-09-18 09:02:30 +07:00
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NOTES
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. = ALIGN(PAGE_SIZE);
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2009-09-19 02:52:09 +07:00
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__init_begin = ALIGN(PAGE_SIZE);
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INIT_TEXT_SECTION(PAGE_SIZE)
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2007-09-18 09:02:30 +07:00
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__init_text_end = .;
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2009-09-19 02:52:09 +07:00
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INIT_DATA_SECTION(16)
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2007-02-10 16:44:44 +07:00
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2008-11-30 12:44:32 +07:00
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. = ALIGN(4);
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.tsb_ldquad_phys_patch : {
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__tsb_ldquad_phys_patch = .;
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*(.tsb_ldquad_phys_patch)
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__tsb_ldquad_phys_patch_end = .;
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}
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.tsb_phys_patch : {
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__tsb_phys_patch = .;
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*(.tsb_phys_patch)
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__tsb_phys_patch_end = .;
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}
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.cpuid_patch : {
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__cpuid_patch = .;
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*(.cpuid_patch)
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__cpuid_patch_end = .;
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}
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.sun4v_1insn_patch : {
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__sun4v_1insn_patch = .;
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*(.sun4v_1insn_patch)
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__sun4v_1insn_patch_end = .;
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}
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.sun4v_2insn_patch : {
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__sun4v_2insn_patch = .;
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*(.sun4v_2insn_patch)
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__sun4v_2insn_patch_end = .;
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}
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2012-05-26 04:20:09 +07:00
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.leon_1insn_patch : {
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__leon_1insn_patch = .;
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*(.leon_1insn_patch)
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__leon_1insn_patch_end = .;
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}
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2011-08-05 14:53:57 +07:00
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.swapper_tsb_phys_patch : {
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__swapper_tsb_phys_patch = .;
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*(.swapper_tsb_phys_patch)
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__swapper_tsb_phys_patch_end = .;
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}
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.swapper_4m_tsb_phys_patch : {
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__swapper_4m_tsb_phys_patch = .;
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*(.swapper_4m_tsb_phys_patch)
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__swapper_4m_tsb_phys_patch_end = .;
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}
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2011-07-29 23:42:07 +07:00
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.popc_3insn_patch : {
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__popc_3insn_patch = .;
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*(.popc_3insn_patch)
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__popc_3insn_patch_end = .;
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}
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2011-08-03 10:23:34 +07:00
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.popc_6insn_patch : {
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__popc_6insn_patch = .;
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*(.popc_6insn_patch)
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__popc_6insn_patch_end = .;
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}
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2012-10-29 03:04:47 +07:00
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.pause_3insn_patch : {
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__pause_3insn_patch = .;
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*(.pause_3insn_patch)
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__pause_3insn_patch_end = .;
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2012-10-28 13:00:41 +07:00
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}
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2015-05-27 23:00:46 +07:00
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.sun_m7_2insn_patch : {
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__sun_m7_2insn_patch = .;
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*(.sun_m7_2insn_patch)
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__sun_m7_2insn_patch_end = .;
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}
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2011-03-25 00:50:09 +07:00
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PERCPU_SECTION(SMP_CACHE_BYTES)
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2008-11-30 12:44:32 +07:00
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2007-09-18 09:02:30 +07:00
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. = ALIGN(PAGE_SIZE);
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__init_end = .;
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2009-09-19 02:52:09 +07:00
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BSS_SECTION(0, 0, 0)
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2007-09-18 09:02:30 +07:00
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_end = . ;
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2008-11-30 12:44:32 +07:00
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2007-09-18 09:02:30 +07:00
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STABS_DEBUG
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DWARF_DEBUG
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linker script: unify usage of discard definition
Discarded sections in different archs share some commonality but have
considerable differences. This led to linker script for each arch
implementing its own /DISCARD/ definition, which makes maintaining
tedious and adding new entries error-prone.
This patch makes all linker scripts to move discard definitions to the
end of the linker script and use the common DISCARDS macro. As ld
uses the first matching section definition, archs can include default
discarded sections by including them earlier in the linker script.
ia64 is notable because it first throws away some ia64 specific
subsections and then include the rest of the sections into the final
image, so those sections must be discarded before the inclusion.
defconfig compile tested for x86, x86-64, powerpc, powerpc64, ia64,
alpha, sparc, sparc64 and s390. Michal Simek tested microblaze.
Signed-off-by: Tejun Heo <tj@kernel.org>
Acked-by: Paul Mundt <lethal@linux-sh.org>
Acked-by: Mike Frysinger <vapier@gentoo.org>
Tested-by: Michal Simek <monstr@monstr.eu>
Cc: linux-arch@vger.kernel.org
Cc: Michal Simek <monstr@monstr.eu>
Cc: microblaze-uclinux@itee.uq.edu.au
Cc: Sam Ravnborg <sam@ravnborg.org>
Cc: Tony Luck <tony.luck@intel.com>
2009-07-09 09:27:40 +07:00
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DISCARDS
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2005-04-17 05:20:36 +07:00
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}
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