diff --git a/libc/SYSCALLS.TXT b/libc/SYSCALLS.TXT
index 14b990d..a9bd4fd 100644
--- a/libc/SYSCALLS.TXT
+++ b/libc/SYSCALLS.TXT
@@ -160,6 +160,7 @@
 int     rename(const char *, const char *)  38
 int     __getcwd:getcwd(char * buf, size_t size)  183
 int     access(const char *, int)  33
+int     faccessat(int, const char *, int, int)  334,307
 int     symlink(const char *, const char *)  83
 int     fchdir(int)    133
 int     truncate(const char*, off_t)    92
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index 61a37d5..e635e68 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -108,6 +108,7 @@
 syscall_src += arch-arm/syscalls/rename.S
 syscall_src += arch-arm/syscalls/__getcwd.S
 syscall_src += arch-arm/syscalls/access.S
+syscall_src += arch-arm/syscalls/faccessat.S
 syscall_src += arch-arm/syscalls/symlink.S
 syscall_src += arch-arm/syscalls/fchdir.S
 syscall_src += arch-arm/syscalls/truncate.S
diff --git a/libc/arch-arm/syscalls/faccessat.S b/libc/arch-arm/syscalls/faccessat.S
new file mode 100644
index 0000000..a2f176f
--- /dev/null
+++ b/libc/arch-arm/syscalls/faccessat.S
@@ -0,0 +1,14 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(faccessat)
+    .save   {r4, r7}
+    stmfd   sp!, {r4, r7}
+    ldr     r7, =__NR_faccessat
+    swi     #0
+    ldmfd   sp!, {r4, r7}
+    movs    r0, r0
+    bxpl    lr
+    b       __set_syscall_errno
+END(faccessat)
diff --git a/libc/arch-x86/syscalls.mk b/libc/arch-x86/syscalls.mk
index d7362f2..f1b7e76 100644
--- a/libc/arch-x86/syscalls.mk
+++ b/libc/arch-x86/syscalls.mk
@@ -112,6 +112,7 @@
 syscall_src += arch-x86/syscalls/rename.S
 syscall_src += arch-x86/syscalls/__getcwd.S
 syscall_src += arch-x86/syscalls/access.S
+syscall_src += arch-x86/syscalls/faccessat.S
 syscall_src += arch-x86/syscalls/symlink.S
 syscall_src += arch-x86/syscalls/fchdir.S
 syscall_src += arch-x86/syscalls/truncate.S
diff --git a/libc/arch-x86/syscalls/faccessat.S b/libc/arch-x86/syscalls/faccessat.S
new file mode 100644
index 0000000..2010e57
--- /dev/null
+++ b/libc/arch-x86/syscalls/faccessat.S
@@ -0,0 +1,32 @@
+/* autogenerated by gensyscalls.py */
+#include <sys/linux-syscalls.h>
+
+    .text
+    .type faccessat, @function
+    .globl faccessat
+    .align 4
+
+faccessat:
+    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_faccessat, %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/include/sys/linux-syscalls.h b/libc/include/sys/linux-syscalls.h
index c2c609d..d09e955 100644
--- a/libc/include/sys/linux-syscalls.h
+++ b/libc/include/sys/linux-syscalls.h
@@ -166,6 +166,7 @@
 #define __NR_fchmodat                     (__NR_SYSCALL_BASE + 333)
 #define __NR_renameat                     (__NR_SYSCALL_BASE + 329)
 #define __NR_unlinkat                     (__NR_SYSCALL_BASE + 328)
+#define __NR_faccessat                    (__NR_SYSCALL_BASE + 334)
 #define __NR_statfs64                     (__NR_SYSCALL_BASE + 266)
 #define __NR_clock_gettime                (__NR_SYSCALL_BASE + 263)
 #define __NR_clock_settime                (__NR_SYSCALL_BASE + 262)
@@ -227,6 +228,7 @@
 #define __NR_fchmodat                     (__NR_SYSCALL_BASE + 306)
 #define __NR_renameat                     (__NR_SYSCALL_BASE + 302)
 #define __NR_unlinkat                     (__NR_SYSCALL_BASE + 301)
+#define __NR_faccessat                    (__NR_SYSCALL_BASE + 307)
 #define __NR_statfs64                     (__NR_SYSCALL_BASE + 268)
 #define __NR_clock_gettime                (__NR_SYSCALL_BASE + 265)
 #define __NR_clock_settime                (__NR_SYSCALL_BASE + 264)
diff --git a/libc/include/unistd.h b/libc/include/unistd.h
index d92549f..d8263fe 100644
--- a/libc/include/unistd.h
+++ b/libc/include/unistd.h
@@ -107,6 +107,7 @@
 #define F_OK  0  /* Existence */
 
 extern int access(const char *, int);
+extern int faccessat(int, const char *, int, int);
 extern int link(const char *, const char *);
 extern int unlink(const char *);
 extern int chdir(const char *);