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, 366 insertions, 0 deletions

diff --git a/libc/arch-x86/syscalls/fgetxattr.S b/libc/arch-x86/syscalls/fgetxattr.S
new file mode 100644
index 0000000..d9f582f
--- /dev/null
+++ b/libc/arch-x86/syscalls/fgetxattr.S
@@ -0,0 +1,32 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type fgetxattr, @function
+    .globl fgetxattr
+    .align 4
+
+fgetxattr:
+    pushl   %ebx
+    pushl   %ecx
+    pushl   %edx
+    pushl   %esi
+    mov     20(%esp), %ebx
+    mov     24(%esp), %ecx
+    mov     28(%esp), %edx
+    mov     32(%esp), %esi
+    movl    $__NR_fgetxattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %esi
+    popl    %edx
+    popl    %ecx
+    popl    %ebx
+    ret
diff --git a/libc/arch-x86/syscalls/flistxattr.S b/libc/arch-x86/syscalls/flistxattr.S
new file mode 100644
index 0000000..43ff73d
--- /dev/null
+++ b/libc/arch-x86/syscalls/flistxattr.S
@@ -0,0 +1,29 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type flistxattr, @function
+    .globl flistxattr
+    .align 4
+
+flistxattr:
+    pushl   %ebx
+    pushl   %ecx
+    pushl   %edx
+    mov     16(%esp), %ebx
+    mov     20(%esp), %ecx
+    mov     24(%esp), %edx
+    movl    $__NR_flistxattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %edx
+    popl    %ecx
+    popl    %ebx
+    ret
diff --git a/libc/arch-x86/syscalls/fremovexattr.S b/libc/arch-x86/syscalls/fremovexattr.S
new file mode 100644
index 0000000..eeed57f
--- /dev/null
+++ b/libc/arch-x86/syscalls/fremovexattr.S
@@ -0,0 +1,26 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type fremovexattr, @function
+    .globl fremovexattr
+    .align 4
+
+fremovexattr:
+    pushl   %ebx
+    pushl   %ecx
+    mov     12(%esp), %ebx
+    mov     16(%esp), %ecx
+    movl    $__NR_fremovexattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %ecx
+    popl    %ebx
+    ret
diff --git a/libc/arch-x86/syscalls/fsetxattr.S b/libc/arch-x86/syscalls/fsetxattr.S
new file mode 100644
index 0000000..a70ca4f
--- /dev/null
+++ b/libc/arch-x86/syscalls/fsetxattr.S
@@ -0,0 +1,35 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type fsetxattr, @function
+    .globl fsetxattr
+    .align 4
+
+fsetxattr:
+    pushl   %ebx
+    pushl   %ecx
+    pushl   %edx
+    pushl   %esi
+    pushl   %edi
+    mov     24(%esp), %ebx
+    mov     28(%esp), %ecx
+    mov     32(%esp), %edx
+    mov     36(%esp), %esi
+    mov     40(%esp), %edi
+    movl    $__NR_fsetxattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %edi
+    popl    %esi
+    popl    %edx
+    popl    %ecx
+    popl    %ebx
+    ret
diff --git a/libc/arch-x86/syscalls/getxattr.S b/libc/arch-x86/syscalls/getxattr.S
new file mode 100644
index 0000000..80d2fc4
--- /dev/null
+++ b/libc/arch-x86/syscalls/getxattr.S
@@ -0,0 +1,32 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type getxattr, @function
+    .globl getxattr
+    .align 4
+
+getxattr:
+    pushl   %ebx
+    pushl   %ecx
+    pushl   %edx
+    pushl   %esi
+    mov     20(%esp), %ebx
+    mov     24(%esp), %ecx
+    mov     28(%esp), %edx
+    mov     32(%esp), %esi
+    movl    $__NR_getxattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %esi
+    popl    %edx
+    popl    %ecx
+    popl    %ebx
+    ret
diff --git a/libc/arch-x86/syscalls/lgetxattr.S b/libc/arch-x86/syscalls/lgetxattr.S
new file mode 100644
index 0000000..3f5b63e
--- /dev/null
+++ b/libc/arch-x86/syscalls/lgetxattr.S
@@ -0,0 +1,32 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type lgetxattr, @function
+    .globl lgetxattr
+    .align 4
+
+lgetxattr:
+    pushl   %ebx
+    pushl   %ecx
+    pushl   %edx
+    pushl   %esi
+    mov     20(%esp), %ebx
+    mov     24(%esp), %ecx
+    mov     28(%esp), %edx
+    mov     32(%esp), %esi
+    movl    $__NR_lgetxattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %esi
+    popl    %edx
+    popl    %ecx
+    popl    %ebx
+    ret
diff --git a/libc/arch-x86/syscalls/listxattr.S b/libc/arch-x86/syscalls/listxattr.S
new file mode 100644
index 0000000..88109bb
--- /dev/null
+++ b/libc/arch-x86/syscalls/listxattr.S
@@ -0,0 +1,29 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type listxattr, @function
+    .globl listxattr
+    .align 4
+
+listxattr:
+    pushl   %ebx
+    pushl   %ecx
+    pushl   %edx
+    mov     16(%esp), %ebx
+    mov     20(%esp), %ecx
+    mov     24(%esp), %edx
+    movl    $__NR_listxattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %edx
+    popl    %ecx
+    popl    %ebx
+    ret
diff --git a/libc/arch-x86/syscalls/llistxattr.S b/libc/arch-x86/syscalls/llistxattr.S
new file mode 100644
index 0000000..fa8505c
--- /dev/null
+++ b/libc/arch-x86/syscalls/llistxattr.S
@@ -0,0 +1,29 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type llistxattr, @function
+    .globl llistxattr
+    .align 4
+
+llistxattr:
+    pushl   %ebx
+    pushl   %ecx
+    pushl   %edx
+    mov     16(%esp), %ebx
+    mov     20(%esp), %ecx
+    mov     24(%esp), %edx
+    movl    $__NR_llistxattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %edx
+    popl    %ecx
+    popl    %ebx
+    ret
diff --git a/libc/arch-x86/syscalls/lremovexattr.S b/libc/arch-x86/syscalls/lremovexattr.S
new file mode 100644
index 0000000..f6c7afe
--- /dev/null
+++ b/libc/arch-x86/syscalls/lremovexattr.S
@@ -0,0 +1,26 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type lremovexattr, @function
+    .globl lremovexattr
+    .align 4
+
+lremovexattr:
+    pushl   %ebx
+    pushl   %ecx
+    mov     12(%esp), %ebx
+    mov     16(%esp), %ecx
+    movl    $__NR_lremovexattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %ecx
+    popl    %ebx
+    ret
diff --git a/libc/arch-x86/syscalls/lsetxattr.S b/libc/arch-x86/syscalls/lsetxattr.S
new file mode 100644
index 0000000..56c8cf8
--- /dev/null
+++ b/libc/arch-x86/syscalls/lsetxattr.S
@@ -0,0 +1,35 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type lsetxattr, @function
+    .globl lsetxattr
+    .align 4
+
+lsetxattr:
+    pushl   %ebx
+    pushl   %ecx
+    pushl   %edx
+    pushl   %esi
+    pushl   %edi
+    mov     24(%esp), %ebx
+    mov     28(%esp), %ecx
+    mov     32(%esp), %edx
+    mov     36(%esp), %esi
+    mov     40(%esp), %edi
+    movl    $__NR_lsetxattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %edi
+    popl    %esi
+    popl    %edx
+    popl    %ecx
+    popl    %ebx
+    ret
diff --git a/libc/arch-x86/syscalls/removexattr.S b/libc/arch-x86/syscalls/removexattr.S
new file mode 100644
index 0000000..2350865
--- /dev/null
+++ b/libc/arch-x86/syscalls/removexattr.S
@@ -0,0 +1,26 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type removexattr, @function
+    .globl removexattr
+    .align 4
+
+removexattr:
+    pushl   %ebx
+    pushl   %ecx
+    mov     12(%esp), %ebx
+    mov     16(%esp), %ecx
+    movl    $__NR_removexattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %ecx
+    popl    %ebx
+    ret
diff --git a/libc/arch-x86/syscalls/setxattr.S b/libc/arch-x86/syscalls/setxattr.S
new file mode 100644
index 0000000..38be736
--- /dev/null
+++ b/libc/arch-x86/syscalls/setxattr.S
@@ -0,0 +1,35 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type setxattr, @function
+    .globl setxattr
+    .align 4
+
+setxattr:
+    pushl   %ebx
+    pushl   %ecx
+    pushl   %edx
+    pushl   %esi
+    pushl   %edi
+    mov     24(%esp), %ebx
+    mov     28(%esp), %ecx
+    mov     32(%esp), %edx
+    mov     36(%esp), %esi
+    mov     40(%esp), %edi
+    movl    $__NR_setxattr, %eax
+    int     $0x80
+    cmpl    $-129, %eax
+    jb      1f
+    negl    %eax
+    pushl   %eax
+    call    __set_errno
+    addl    $4, %esp
+    orl     $-1, %eax
+1:
+    popl    %edi
+    popl    %esi
+    popl    %edx
+    popl    %ecx
+    popl    %ebx
+    ret