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sreadahead: adding readahead system call into bionic libc

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Add bionic libc to support readahead system call.
This is needed to enable sreadahead to work.

Change-Id: I3856e1a3833db82e6cf42fd34af7631bd40cc723
Author: Winson Yung <winson.w.yung@intel.com>
Signed-off-by: Bruce Beare <bruce.j.beare@intel.com>
This commit is contained in:
Bruce Beare
2011-07-13 10:23:50 -07:00
parent a37f372973
commit e30e909363
9 changed files with 86 additions and 0 deletions
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1
libc/arch-arm/syscalls.mk
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@@ -14,6 +14,7 @@ syscall_src += arch-arm/syscalls/getegid.S
syscall_src += arch-arm/syscalls/getresuid.S
syscall_src += arch-arm/syscalls/getresgid.S
syscall_src += arch-arm/syscalls/gettid.S
syscall_src += arch-arm/syscalls/readahead.S
syscall_src += arch-arm/syscalls/getgroups.S
syscall_src += arch-arm/syscalls/getpgid.S
syscall_src += arch-arm/syscalls/getppid.S

16
libc/arch-arm/syscalls/readahead.S Normal file
View File

@@ -0,0 +1,16 @@
/* autogenerated by gensyscalls.py */
#include <machine/asm.h>
#include <sys/linux-syscalls.h>
ENTRY(readahead)
mov ip, sp
.save {r4, r5, r6, r7}
stmfd sp!, {r4, r5, r6, r7}
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_readahead
swi #0
ldmfd sp!, {r4, r5, r6, r7}
movs r0, r0
bxpl lr
b __set_syscall_errno
END(readahead)