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[PARISC] more ENTRY(), ENDPROC(), END() conversions

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Signed-off-by: Helge Deller <deller@gmx.de>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
This commit is contained in:
Helge Deller
2007-01-24 22:36:32 +01:00
committed by Kyle McMartin
parent b288a8f79a
commit 8e9e9844b4
6 changed files with 99 additions and 125 deletions
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71
arch/parisc/kernel/syscall.S
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@@ -12,10 +12,11 @@
#include <asm/errno.h>
#include <asm/psw.h>
#include <asm/thread_info.h>
#include <asm/assembly.h>
#include <asm/processor.h>
#include <linux/linkage.h>
/* We fill the empty parts of the gateway page with
* something that will kill the kernel or a
* userspace application.
@@ -28,11 +29,18 @@
.level 1.1
#endif
/* on 64bit pad to 64bit values */
#ifdef CONFIG_64BIT
#define ULONG_WORD(x) .word 0, x
#else
#define ULONG_WORD(x) .word x
#endif
.text
.import syscall_exit,code
.import syscall_exit_rfi,code
.export linux_gateway_page
/* Linux gateway page is aliased to virtual page 0 in the kernel
* address space. Since it is a gateway page it cannot be
@@ -43,7 +51,7 @@
*/
.align ASM_PAGE_SIZE
linux_gateway_page:
ENTRY(linux_gateway_page)
/* ADDRESS 0x00 to 0xb0 = 176 bytes / 4 bytes per insn = 44 insns */
.rept 44
@@ -595,73 +603,49 @@ cas_action:
the other for the store. Either return -EFAULT.
Each of the entries must be relocated. */
.section __ex_table,"aw"
#ifdef CONFIG_64BIT
/* Pad the address calculation */
.word 0,(2b - linux_gateway_page)
.word 0,(3b - linux_gateway_page)
#else
.word (2b - linux_gateway_page)
.word (3b - linux_gateway_page)
#endif
ULONG_WORD(2b - linux_gateway_page)
ULONG_WORD(3b - linux_gateway_page)
.previous
.section __ex_table,"aw"
#ifdef CONFIG_64BIT
/* Pad the address calculation */
.word 0,(1b - linux_gateway_page)
.word 0,(3b - linux_gateway_page)
#else
.word (1b - linux_gateway_page)
.word (3b - linux_gateway_page)
#endif
ULONG_WORD(1b - linux_gateway_page)
ULONG_WORD(3b - linux_gateway_page)
.previous
end_compare_and_swap:
/* Make sure nothing else is placed on this page */
.align ASM_PAGE_SIZE
.export end_linux_gateway_page
end_linux_gateway_page:
END(linux_gateway_page)
ENTRY(end_linux_gateway_page)
/* Relocate symbols assuming linux_gateway_page is mapped
to virtual address 0x0 */
#ifdef CONFIG_64BIT
/* FIXME: The code will always be on the gateay page
and thus it will be on the first 4k, the
assembler seems to think that the final
subtraction result is only a word in
length, so we pad the value.
*/
#define LWS_ENTRY(_name_) .word 0,(lws_##_name_ - linux_gateway_page)
#else
#define LWS_ENTRY(_name_) .word (lws_##_name_ - linux_gateway_page)
#endif
#define LWS_ENTRY(_name_) ULONG_WORD(lws_##_name_ - linux_gateway_page)
.section .rodata,"a"
.align ASM_PAGE_SIZE
/* Light-weight-syscall table */
/* Start of lws table. */
.export lws_table
.Llws_table:
lws_table:
ENTRY(lws_table)
LWS_ENTRY(compare_and_swap32) /* 0 - ELF32 Atomic compare and swap */
LWS_ENTRY(compare_and_swap64) /* 1 - ELF64 Atomic compare and swap */
END(lws_table)
/* End of lws table */
.align ASM_PAGE_SIZE
.export sys_call_table
.Lsys_call_table:
sys_call_table:
ENTRY(sys_call_table)
#include "syscall_table.S"
END(sys_call_table)
#ifdef CONFIG_64BIT
.align ASM_PAGE_SIZE
.export sys_call_table64
.Lsys_call_table64:
sys_call_table64:
ENTRY(sys_call_table64)
#define SYSCALL_TABLE_64BIT
#include "syscall_table.S"
END(sys_call_table64)
#endif
#ifdef CONFIG_SMP
@@ -671,9 +655,7 @@ sys_call_table64:
*/
.section .data
.align 4096
.export lws_lock_start
.Llws_lock_start:
lws_lock_start:
ENTRY(lws_lock_start)
/* lws locks */
.align 16
.rept 16
@@ -683,6 +665,7 @@ lws_lock_start:
.word 0
.word 0
.endr
END(lws_lock_start)
.previous
#endif
/* CONFIG_SMP for lws_lock_start */