提交 4a288563 编写于 作者: P Paul Mackerras

powerpc: Reduce the 32/64-bit diffs in vmlinux.lds.S

Also adds the definition of the _sdata symbol to the ppc64 vmlinux.lds.S.
Signed-off-by: NPaul Mackerras <paulus@samba.org>
上级 86417780
#include <linux/config.h>
#ifdef CONFIG_PPC64
#include <asm/page.h>
#else
#define PAGE_SIZE 4096
#endif
#include <asm-generic/vmlinux.lds.h>
......@@ -16,9 +18,7 @@ SECTIONS
/* Sections to be discarded. */
/DISCARD/ : {
*(.exitcall.exit)
#ifdef CONFIG_PPC32
*(.exit.data)
#endif
}
......@@ -49,16 +49,10 @@ SECTIONS
.plt : { *(.plt) }
#endif
.text : {
#ifdef CONFIG_PPC64
*(.text .text.*)
#else
*(.text)
#endif
SCHED_TEXT
LOCK_TEXT
#ifdef CONFIG_PPC64
KPROBES_TEXT
#endif
*(.fixup)
#ifdef CONFIG_PPC32
*(.got1)
......@@ -106,7 +100,7 @@ SECTIONS
#ifdef CONFIG_PPC32
/* Read-write section, merged into data segment: */
. = ALIGN(4096);
. = ALIGN(PAGE_SIZE);
_sdata = .;
.data :
{
......@@ -119,10 +113,10 @@ SECTIONS
CONSTRUCTORS
}
. = ALIGN(4096);
. = ALIGN(PAGE_SIZE);
__nosave_begin = .;
.data_nosave : { *(.data.nosave) }
. = ALIGN(4096);
. = ALIGN(PAGE_SIZE);
__nosave_end = .;
. = ALIGN(32);
......@@ -133,12 +127,10 @@ SECTIONS
. = ALIGN(8192);
.data.init_task : { *(.data.init_task) }
#endif
. = ALIGN(4096);
#else
/* will be freed after init */
. = ALIGN(PAGE_SIZE);
#endif
__init_begin = .;
.init.text : {
_sinittext = .;
......@@ -151,9 +143,6 @@ SECTIONS
.exit.text : { *(.exit.text) }
#endif
.init.data : {
#ifdef CONFIG_PPC64
*(.init.data)
#else
*(.init.data);
__vtop_table_begin = .;
*(.vtop_fixup);
......@@ -161,31 +150,17 @@ SECTIONS
__ptov_table_begin = .;
*(.ptov_fixup);
__ptov_table_end = .;
#endif
}
. = ALIGN(16);
#ifdef CONFIG_PPC32
__setup_start = .;
#endif
.init.setup : {
#ifdef CONFIG_PPC64
__setup_start = .;
#endif
*(.init.setup)
#ifdef CONFIG_PPC64
__setup_end = .;
#endif
}
#ifdef CONFIG_PPC32
__setup_end = .;
__initcall_start = .;
#endif
.initcall.init : {
#ifdef CONFIG_PPC64
__initcall_start = .;
#endif
*(.initcall1.init)
*(.initcall2.init)
*(.initcall3.init)
......@@ -193,27 +168,14 @@ SECTIONS
*(.initcall5.init)
*(.initcall6.init)
*(.initcall7.init)
#ifdef CONFIG_PPC64
__initcall_end = .;
#endif
}
#ifdef CONFIG_PPC32
__initcall_end = .;
__con_initcall_start = .;
#endif
.con_initcall.init : {
#ifdef CONFIG_PPC64
__con_initcall_start = .;
#endif
*(.con_initcall.init)
#ifdef CONFIG_PPC64
__con_initcall_end = .;
#endif
}
#ifdef CONFIG_PPC32
__con_initcall_end = .;
#endif
SECURITY_INIT
......@@ -232,31 +194,23 @@ SECTIONS
#ifdef CONFIG_PPC32
. = ALIGN(32);
__per_cpu_start = .;
#endif
.data.percpu : {
#ifdef CONFIG_PPC64
__per_cpu_start = .;
#endif
*(.data.percpu)
#ifdef CONFIG_PPC64
__per_cpu_end = .;
#endif
}
#ifdef CONFIG_PPC32
__per_cpu_end = .;
#endif
#ifdef CONFIG_PPC64
. = ALIGN(PAGE_SIZE);
#ifdef CONFIG_PPC64
. = ALIGN(16384);
__init_end = .;
/* freed after init ends here */
/* Read/write sections */
. = ALIGN(PAGE_SIZE);
. = ALIGN(16384);
_sdata = .;
/* The initial task and kernel stack */
.data.init_task : {
*(.data.init_task)
......@@ -288,10 +242,8 @@ SECTIONS
_edata = .;
}
. = ALIGN(PAGE_SIZE);
#else
. = ALIGN(4096);
__initramfs_start = .;
.init.ramfs : {
*(.init.ramfs)
......@@ -307,23 +259,15 @@ SECTIONS
__bss_start = .;
#endif
.bss : {
#ifdef CONFIG_PPC64
__bss_start = .;
#else
*(.sbss) *(.scommon)
*(.dynbss)
#endif
*(.bss)
#ifdef CONFIG_PPC32
*(COMMON)
#else
__bss_stop = .;
#endif
}
#ifdef CONFIG_PPC32
__bss_stop = .;
#endif
#ifdef CONFIG_PPC64
. = ALIGN(PAGE_SIZE);
......
......@@ -106,6 +106,7 @@ SECTIONS
/* Read/write sections */
. = ALIGN(PAGE_SIZE);
. = ALIGN(16384);
_sdata = .;
/* The initial task and kernel stack */
.data.init_task : {
*(.data.init_task)
......
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