lk/linux-kernel-test
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

[ARM] 5227/1: Add the ENDPROC declarations to the .S files

Browse Source 
This declaration specifies the "function" type and size for various
assembly functions, mainly needed for generating the correct branch
instructions in Thumb-2.

Signed-off-by: Catalin Marinas <catalin.marinas@arm.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
This commit is contained in:
Catalin Marinas
2008-08-28 11:22:32 +01:00
committed by Russell King
parent 8d5796d2ec
commit 93ed397011
58 changed files with 201 additions and 50 deletions
Download Patch File Download Diff File Expand all files Collapse all files

25
arch/arm/kernel/entry-common.S
View File

@@ -77,6 +77,7 @@ no_work_pending:
mov r0, r0
add sp, sp, #S_FRAME_SIZE - S_PC
movs pc, lr @ return & move spsr_svc into cpsr
ENDPROC(ret_to_user)
/*
* This is how we return from a fork.
@@ -92,7 +93,7 @@ ENTRY(ret_from_fork)
mov r0, #1 @ trace exit [IP = 1]
bl syscall_trace
b ret_slow_syscall
ENDPROC(ret_from_fork)
.equ NR_syscalls,0
#define CALL(x) .equ NR_syscalls,NR_syscalls+1
@@ -269,6 +270,7 @@ ENTRY(vector_swi)
eor r0, scno, #__NR_SYSCALL_BASE @ put OS number back
bcs arm_syscall
b sys_ni_syscall @ not private func
ENDPROC(vector_swi)
/*
* This is the really slow path. We're going to be doing
@@ -326,7 +328,6 @@ ENTRY(sys_call_table)
*/
@ r0 = syscall number
@ r8 = syscall table
.type sys_syscall, #function
sys_syscall:
bic scno, r0, #__NR_OABI_SYSCALL_BASE
cmp scno, #__NR_syscall - __NR_SYSCALL_BASE
@@ -338,53 +339,65 @@ sys_syscall:
movlo r3, r4
ldrlo pc, [tbl, scno, lsl #2]
b sys_ni_syscall
ENDPROC(sys_syscall)
sys_fork_wrapper:
add r0, sp, #S_OFF
b sys_fork
ENDPROC(sys_fork_wrapper)
sys_vfork_wrapper:
add r0, sp, #S_OFF
b sys_vfork
ENDPROC(sys_vfork_wrapper)
sys_execve_wrapper:
add r3, sp, #S_OFF
b sys_execve
ENDPROC(sys_execve_wrapper)
sys_clone_wrapper:
add ip, sp, #S_OFF
str ip, [sp, #4]
b sys_clone
ENDPROC(sys_clone_wrapper)
sys_sigsuspend_wrapper:
add r3, sp, #S_OFF
b sys_sigsuspend
ENDPROC(sys_sigsuspend_wrapper)
sys_rt_sigsuspend_wrapper:
add r2, sp, #S_OFF
b sys_rt_sigsuspend
ENDPROC(sys_rt_sigsuspend_wrapper)
sys_sigreturn_wrapper:
add r0, sp, #S_OFF
b sys_sigreturn
ENDPROC(sys_sigreturn_wrapper)
sys_rt_sigreturn_wrapper:
add r0, sp, #S_OFF
b sys_rt_sigreturn
ENDPROC(sys_rt_sigreturn_wrapper)
sys_sigaltstack_wrapper:
ldr r2, [sp, #S_OFF + S_SP]
b do_sigaltstack
ENDPROC(sys_sigaltstack_wrapper)
sys_statfs64_wrapper:
teq r1, #88
moveq r1, #84
b sys_statfs64
ENDPROC(sys_statfs64_wrapper)
sys_fstatfs64_wrapper:
teq r1, #88
moveq r1, #84
b sys_fstatfs64
ENDPROC(sys_fstatfs64_wrapper)
/*
* Note: off_4k (r5) is always units of 4K. If we can't do the requested
@@ -402,11 +415,14 @@ sys_mmap2:
str r5, [sp, #4]
b do_mmap2
#endif
ENDPROC(sys_mmap2)
ENTRY(pabort_ifar)
mrc p15, 0, r0, cr6, cr0, 2
ENTRY(pabort_noifar)
mov pc, lr
ENDPROC(pabort_ifar)
ENDPROC(pabort_noifar)
#ifdef CONFIG_OABI_COMPAT
@@ -417,26 +433,31 @@ ENTRY(pabort_noifar)
sys_oabi_pread64:
stmia sp, {r3, r4}
b sys_pread64
ENDPROC(sys_oabi_pread64)
sys_oabi_pwrite64:
stmia sp, {r3, r4}
b sys_pwrite64
ENDPROC(sys_oabi_pwrite64)
sys_oabi_truncate64:
mov r3, r2
mov r2, r1
b sys_truncate64
ENDPROC(sys_oabi_truncate64)
sys_oabi_ftruncate64:
mov r3, r2
mov r2, r1
b sys_ftruncate64
ENDPROC(sys_oabi_ftruncate64)
sys_oabi_readahead:
str r3, [sp]
mov r3, r2
mov r2, r1
b sys_readahead
ENDPROC(sys_oabi_readahead)
/*
* Let's declare a second syscall table for old ABI binaries