Add extended attribute (xattr) system call wrappers to bionic.

The xattr system calls are required for the SE Android userspace in
order to get and set file security contexts.  In particular, libselinux
requires these calls.

Change-Id: I78f5eb3d8f3384aed0a5e7c6a6f001781d982017

12 files changed, 174 insertions, 0 deletions

diff --git a/libc/arch-arm/syscalls/fgetxattr.S b/libc/arch-arm/syscalls/fgetxattr.S
new file mode 100644
index 0000000..32b8ef8
--- /dev/null
+++ b/libc/arch-arm/syscalls/fgetxattr.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(fgetxattr)
+    .save   {r4, r7}
+    stmfd   sp!, {r4, r7}
+    ldr     r7, =__NR_fgetxattr
+    swi     #0
+    ldmfd   sp!, {r4, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(fgetxattr)
diff --git a/libc/arch-arm/syscalls/flistxattr.S b/libc/arch-arm/syscalls/flistxattr.S
new file mode 100644
index 0000000..0785e77
--- /dev/null
+++ b/libc/arch-arm/syscalls/flistxattr.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(flistxattr)
+    .save   {r4, r7}
+    stmfd   sp!, {r4, r7}
+    ldr     r7, =__NR_flistxattr
+    swi     #0
+    ldmfd   sp!, {r4, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(flistxattr)
diff --git a/libc/arch-arm/syscalls/fremovexattr.S b/libc/arch-arm/syscalls/fremovexattr.S
new file mode 100644
index 0000000..ae97d13
--- /dev/null
+++ b/libc/arch-arm/syscalls/fremovexattr.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(fremovexattr)
+    .save   {r4, r7}
+    stmfd   sp!, {r4, r7}
+    ldr     r7, =__NR_fremovexattr
+    swi     #0
+    ldmfd   sp!, {r4, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(fremovexattr)
diff --git a/libc/arch-arm/syscalls/fsetxattr.S b/libc/arch-arm/syscalls/fsetxattr.S
new file mode 100644
index 0000000..176cad9
--- /dev/null
+++ b/libc/arch-arm/syscalls/fsetxattr.S
@@ -0,0 +1,16 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(fsetxattr)
+    mov     ip, sp
+    .save   {r4, r5, r6, r7}
+    stmfd   sp!, {r4, r5, r6, r7}
+    ldmfd   ip, {r4, r5, r6}
+    ldr     r7, =__NR_fsetxattr
+    swi     #0
+    ldmfd   sp!, {r4, r5, r6, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(fsetxattr)
diff --git a/libc/arch-arm/syscalls/getxattr.S b/libc/arch-arm/syscalls/getxattr.S
new file mode 100644
index 0000000..18532ce
--- /dev/null
+++ b/libc/arch-arm/syscalls/getxattr.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(getxattr)
+    .save   {r4, r7}
+    stmfd   sp!, {r4, r7}
+    ldr     r7, =__NR_getxattr
+    swi     #0
+    ldmfd   sp!, {r4, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(getxattr)
diff --git a/libc/arch-arm/syscalls/lgetxattr.S b/libc/arch-arm/syscalls/lgetxattr.S
new file mode 100644
index 0000000..61fc098
--- /dev/null
+++ b/libc/arch-arm/syscalls/lgetxattr.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(lgetxattr)
+    .save   {r4, r7}
+    stmfd   sp!, {r4, r7}
+    ldr     r7, =__NR_lgetxattr
+    swi     #0
+    ldmfd   sp!, {r4, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(lgetxattr)
diff --git a/libc/arch-arm/syscalls/listxattr.S b/libc/arch-arm/syscalls/listxattr.S
new file mode 100644
index 0000000..6bbdb6a
--- /dev/null
+++ b/libc/arch-arm/syscalls/listxattr.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(listxattr)
+    .save   {r4, r7}
+    stmfd   sp!, {r4, r7}
+    ldr     r7, =__NR_listxattr
+    swi     #0
+    ldmfd   sp!, {r4, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(listxattr)
diff --git a/libc/arch-arm/syscalls/llistxattr.S b/libc/arch-arm/syscalls/llistxattr.S
new file mode 100644
index 0000000..89682df
--- /dev/null
+++ b/libc/arch-arm/syscalls/llistxattr.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(llistxattr)
+    .save   {r4, r7}
+    stmfd   sp!, {r4, r7}
+    ldr     r7, =__NR_llistxattr
+    swi     #0
+    ldmfd   sp!, {r4, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(llistxattr)
diff --git a/libc/arch-arm/syscalls/lremovexattr.S b/libc/arch-arm/syscalls/lremovexattr.S
new file mode 100644
index 0000000..62f6722
--- /dev/null
+++ b/libc/arch-arm/syscalls/lremovexattr.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(lremovexattr)
+    .save   {r4, r7}
+    stmfd   sp!, {r4, r7}
+    ldr     r7, =__NR_lremovexattr
+    swi     #0
+    ldmfd   sp!, {r4, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(lremovexattr)
diff --git a/libc/arch-arm/syscalls/lsetxattr.S b/libc/arch-arm/syscalls/lsetxattr.S
new file mode 100644
index 0000000..bde7c24
--- /dev/null
+++ b/libc/arch-arm/syscalls/lsetxattr.S
@@ -0,0 +1,16 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(lsetxattr)
+    mov     ip, sp
+    .save   {r4, r5, r6, r7}
+    stmfd   sp!, {r4, r5, r6, r7}
+    ldmfd   ip, {r4, r5, r6}
+    ldr     r7, =__NR_lsetxattr
+    swi     #0
+    ldmfd   sp!, {r4, r5, r6, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(lsetxattr)
diff --git a/libc/arch-arm/syscalls/removexattr.S b/libc/arch-arm/syscalls/removexattr.S
new file mode 100644
index 0000000..1a44caf
--- /dev/null
+++ b/libc/arch-arm/syscalls/removexattr.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(removexattr)
+    .save   {r4, r7}
+    stmfd   sp!, {r4, r7}
+    ldr     r7, =__NR_removexattr
+    swi     #0
+    ldmfd   sp!, {r4, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(removexattr)
diff --git a/libc/arch-arm/syscalls/setxattr.S b/libc/arch-arm/syscalls/setxattr.S
new file mode 100644
index 0000000..e86fe9f
--- /dev/null
+++ b/libc/arch-arm/syscalls/setxattr.S
@@ -0,0 +1,16 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(setxattr)
+    mov     ip, sp
+    .save   {r4, r5, r6, r7}
+    stmfd   sp!, {r4, r5, r6, r7}
+    ldmfd   ip, {r4, r5, r6}
+    ldr     r7, =__NR_setxattr
+    swi     #0
+    ldmfd   sp!, {r4, r5, r6, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(setxattr)