generic-library/bionic
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Add splice, tee, and vmsplice.

Browse Source 
Change-Id: I5f43380b88d776a8bb607b47dbbc5db5a2fe6163
This commit is contained in:
Elliott Hughes
2014-06-24 16:32:01 -07:00
parent 52f9b051c8
commit 3f525d41c2
21 changed files with 488 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
libc/SYSCALLS.TXT
View File

@@ -285,6 +285,10 @@ int klogctl:syslog(int, char*, int) all
int sysinfo(struct sysinfo*) all
int personality(unsigned long) all
ssize_t tee(int, int, size_t, unsigned int) all
ssize_t splice(int, off64_t*, int, off64_t*, size_t, unsigned int) all
ssize_t vmsplice(int, const struct iovec*, size_t, unsigned int) all
int epoll_create1(int) all
int epoll_ctl(int, int op, int, struct epoll_event*) all
int __epoll_pwait:epoll_pwait(int, struct epoll_event*, int, int, const sigset_t*, size_t) all

22
libc/arch-arm/syscalls/splice.S Normal file
View File

@@ -0,0 +1,22 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(splice)
mov ip, sp
stmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 16
.cfi_rel_offset r4, 0
.cfi_rel_offset r5, 4
.cfi_rel_offset r6, 8
.cfi_rel_offset r7, 12
ldmfd ip, {r4, r5, r6}
ldr r7, =__NR_splice
swi #0
ldmfd sp!, {r4, r5, r6, r7}
.cfi_def_cfa_offset 0
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0
b __set_errno
END(splice)

14
libc/arch-arm/syscalls/tee.S Normal file
View File

@@ -0,0 +1,14 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(tee)
mov ip, r7
ldr r7, =__NR_tee
swi #0
mov r7, ip
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0
b __set_errno
END(tee)

14
libc/arch-arm/syscalls/vmsplice.S Normal file
View File

@@ -0,0 +1,14 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(vmsplice)
mov ip, r7
ldr r7, =__NR_vmsplice
swi #0
mov r7, ip
cmn r0, #(MAX_ERRNO + 1)
bxls lr
neg r0, r0
b __set_errno
END(vmsplice)

14
libc/arch-arm64/syscalls/splice.S Normal file
View File

@@ -0,0 +1,14 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(splice)
mov x8, __NR_splice
svc #0
cmn x0, #(MAX_ERRNO + 1)
cneg x0, x0, hi
b.hi __set_errno
ret
END(splice)

14
libc/arch-arm64/syscalls/tee.S Normal file
View File

@@ -0,0 +1,14 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(tee)
mov x8, __NR_tee
svc #0
cmn x0, #(MAX_ERRNO + 1)
cneg x0, x0, hi
b.hi __set_errno
ret
END(tee)

14
libc/arch-arm64/syscalls/vmsplice.S Normal file
View File

@@ -0,0 +1,14 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(vmsplice)
mov x8, __NR_vmsplice
svc #0
cmn x0, #(MAX_ERRNO + 1)
cneg x0, x0, hi
b.hi __set_errno
ret
END(vmsplice)

19
libc/arch-mips/syscalls/splice.S Normal file
View File

@@ -0,0 +1,19 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(splice)
.set noreorder
.cpload t9
li v0, __NR_splice
syscall
bnez a3, 1f
move a0, v0
j ra
nop
1:
la t9,__set_errno
j t9
nop
.set reorder
END(splice)

19
libc/arch-mips/syscalls/tee.S Normal file
View File

@@ -0,0 +1,19 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(tee)
.set noreorder
.cpload t9
li v0, __NR_tee
syscall
bnez a3, 1f
move a0, v0
j ra
nop
1:
la t9,__set_errno
j t9
nop
.set reorder
END(tee)

19
libc/arch-mips/syscalls/vmsplice.S Normal file
View File

@@ -0,0 +1,19 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(vmsplice)
.set noreorder
.cpload t9
li v0, __NR_vmsplice
syscall
bnez a3, 1f
move a0, v0
j ra
nop
1:
la t9,__set_errno
j t9
nop
.set reorder
END(vmsplice)

25
libc/arch-mips64/syscalls/splice.S Normal file
View File

@@ -0,0 +1,25 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(splice)
.set push
.set noreorder
li v0, __NR_splice
syscall
bnez a3, 1f
move a0, v0
j ra
nop
1:
move t0, ra
bal 2f
nop
2:
.cpsetup ra, t1, 2b
LA t9,__set_errno
.cpreturn
j t9
move ra, t0
.set pop
END(splice)

25
libc/arch-mips64/syscalls/tee.S Normal file
View File

@@ -0,0 +1,25 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(tee)
.set push
.set noreorder
li v0, __NR_tee
syscall
bnez a3, 1f
move a0, v0
j ra
nop
1:
move t0, ra
bal 2f
nop
2:
.cpsetup ra, t1, 2b
LA t9,__set_errno
.cpreturn
j t9
move ra, t0
.set pop
END(tee)

25
libc/arch-mips64/syscalls/vmsplice.S Normal file
View File

@@ -0,0 +1,25 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(vmsplice)
.set push
.set noreorder
li v0, __NR_vmsplice
syscall
bnez a3, 1f
move a0, v0
j ra
nop
1:
move t0, ra
bal 2f
nop
2:
.cpsetup ra, t1, 2b
LA t9,__set_errno
.cpreturn
j t9
move ra, t0
.set pop
END(vmsplice)

46
libc/arch-x86/syscalls/splice.S Normal file
View File

@@ -0,0 +1,46 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(splice)
pushl %ebx
.cfi_def_cfa_offset 8
.cfi_rel_offset ebx, 0
pushl %ecx
.cfi_adjust_cfa_offset 4
.cfi_rel_offset ecx, 0
pushl %edx
.cfi_adjust_cfa_offset 4
.cfi_rel_offset edx, 0
pushl %esi
.cfi_adjust_cfa_offset 4
.cfi_rel_offset esi, 0
pushl %edi
.cfi_adjust_cfa_offset 4
.cfi_rel_offset edi, 0
pushl %ebp
.cfi_adjust_cfa_offset 4
.cfi_rel_offset ebp, 0
mov 28(%esp), %ebx
mov 32(%esp), %ecx
mov 36(%esp), %edx
mov 40(%esp), %esi
mov 44(%esp), %edi
mov 48(%esp), %ebp
movl $__NR_splice, %eax
int $0x80
cmpl $-MAX_ERRNO, %eax
jb 1f
negl %eax
pushl %eax
call __set_errno
addl $4, %esp
1:
popl %ebp
popl %edi
popl %esi
popl %edx
popl %ecx
popl %ebx
ret
END(splice)

36
libc/arch-x86/syscalls/tee.S Normal file
View File

@@ -0,0 +1,36 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(tee)
pushl %ebx
.cfi_def_cfa_offset 8
.cfi_rel_offset ebx, 0
pushl %ecx
.cfi_adjust_cfa_offset 4
.cfi_rel_offset ecx, 0
pushl %edx
.cfi_adjust_cfa_offset 4
.cfi_rel_offset edx, 0
pushl %esi
.cfi_adjust_cfa_offset 4
.cfi_rel_offset esi, 0
mov 20(%esp), %ebx
mov 24(%esp), %ecx
mov 28(%esp), %edx
mov 32(%esp), %esi
movl $__NR_tee, %eax
int $0x80
cmpl $-MAX_ERRNO, %eax
jb 1f
negl %eax
pushl %eax
call __set_errno
addl $4, %esp
1:
popl %esi
popl %edx
popl %ecx
popl %ebx
ret
END(tee)

36
libc/arch-x86/syscalls/vmsplice.S Normal file
View File

@@ -0,0 +1,36 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(vmsplice)
pushl %ebx
.cfi_def_cfa_offset 8
.cfi_rel_offset ebx, 0
pushl %ecx
.cfi_adjust_cfa_offset 4
.cfi_rel_offset ecx, 0
pushl %edx
.cfi_adjust_cfa_offset 4
.cfi_rel_offset edx, 0
pushl %esi
.cfi_adjust_cfa_offset 4
.cfi_rel_offset esi, 0
mov 20(%esp), %ebx
mov 24(%esp), %ecx
mov 28(%esp), %edx
mov 32(%esp), %esi
movl $__NR_vmsplice, %eax
int $0x80
cmpl $-MAX_ERRNO, %eax
jb 1f
negl %eax
pushl %eax
call __set_errno
addl $4, %esp
1:
popl %esi
popl %edx
popl %ecx
popl %ebx
ret
END(vmsplice)

16
libc/arch-x86_64/syscalls/splice.S Normal file
View File

@@ -0,0 +1,16 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(splice)
movq %rcx, %r10
movl $__NR_splice, %eax
syscall
cmpq $-MAX_ERRNO, %rax
jb 1f
negl %eax
movl %eax, %edi
call __set_errno
1:
ret
END(splice)

16
libc/arch-x86_64/syscalls/tee.S Normal file
View File

@@ -0,0 +1,16 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(tee)
movq %rcx, %r10
movl $__NR_tee, %eax
syscall
cmpq $-MAX_ERRNO, %rax
jb 1f
negl %eax
movl %eax, %edi
call __set_errno
1:
ret
END(tee)

16
libc/arch-x86_64/syscalls/vmsplice.S Normal file
View File

@@ -0,0 +1,16 @@
/* Generated by gensyscalls.py. Do not edit. */
#include <private/bionic_asm.h>
ENTRY(vmsplice)
movq %rcx, %r10
movl $__NR_vmsplice, %eax
syscall
cmpq $-MAX_ERRNO, %rax
jb 1f
negl %eax
movl %eax, %edi
call __set_errno
1:
ret
END(vmsplice)

13
libc/include/fcntl.h
View File

@@ -33,6 +33,7 @@
#include <sys/types.h>
#include <linux/fadvise.h>
#include <linux/fcntl.h>
#include <linux/uio.h>
#include <unistd.h> /* this is not required, but makes client code much happier */
__BEGIN_DECLS
@@ -51,9 +52,12 @@ struct flock64 {
#define F_SETLKW64 F_SETLKW
#endif
#ifndef O_ASYNC
#define O_ASYNC FASYNC
#endif
#define O_ASYNC FASYNC
#define SPLICE_F_MOVE 1
#define SPLICE_F_NONBLOCK 2
#define SPLICE_F_MORE 4
#define SPLICE_F_GIFT 8
#define SYNC_FILE_RANGE_WAIT_BEFORE 1
#define SYNC_FILE_RANGE_WRITE 2
@@ -70,7 +74,10 @@ extern int open(const char*, int, ...);
extern int open64(const char*, int, ...);
extern int posix_fallocate64(int, off64_t, off64_t);
extern int posix_fallocate(int, off_t, off_t);
extern ssize_t splice(int, off64_t*, int, off64_t*, size_t, unsigned int);
extern ssize_t tee(int, int, size_t, unsigned int);
extern int unlinkat(int, const char*, int);
extern ssize_t vmsplice(int, const struct iovec*, size_t, unsigned int);
#if defined(__BIONIC_FORTIFY)