Provide <sys/user.h>.
strace wants this, for example.
Change-Id: Icb4d64bde392abbc091fa3375a4fa19b2707b12c
diff --git a/libc/include/sys/user.h b/libc/include/sys/user.h
new file mode 100644
index 0000000..dc07c1f
--- /dev/null
+++ b/libc/include/sys/user.h
@@ -0,0 +1,191 @@
+/*
+ * Copyright (C) 2013 The Android Open Source Project
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in
+ * the documentation and/or other materials provided with the
+ * distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+ * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+ * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
+ * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
+ * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _SYS_USER_H_
+#define _SYS_USER_H_
+
+#include <sys/cdefs.h>
+
+__BEGIN_DECLS
+
+#if __i386__
+
+struct user_i387_struct {
+ long cwd;
+ long swd;
+ long twd;
+ long fip;
+ long fcs;
+ long foo;
+ long fos;
+ long st_space[20];
+};
+struct user_fxsr_struct {
+ unsigned short cwd;
+ unsigned short swd;
+ unsigned short twd;
+ unsigned short fop;
+ long fip;
+ long fcs;
+ long foo;
+ long fos;
+ long mxcsr;
+ long reserved;
+ long st_space[32];
+ long xmm_space[32];
+ long padding[56];
+};
+struct user_regs_struct {
+ unsigned long bx;
+ unsigned long cx;
+ unsigned long dx;
+ unsigned long si;
+ unsigned long di;
+ unsigned long bp;
+ unsigned long ax;
+ unsigned long ds;
+ unsigned long es;
+ unsigned long fs;
+ unsigned long gs;
+ unsigned long orig_ax;
+ unsigned long ip;
+ unsigned long cs;
+ unsigned long flags;
+ unsigned long sp;
+ unsigned long ss;
+};
+struct user{
+ struct user_regs_struct regs;
+ int u_fpvalid;
+ struct user_i387_struct i387;
+ unsigned long int u_tsize;
+ unsigned long int u_dsize;
+ unsigned long int u_ssize;
+ unsigned long start_code;
+ unsigned long start_stack;
+ long int signal;
+ int reserved;
+ unsigned long u_ar0;
+ struct user_i387_struct *u_fpstate;
+ unsigned long magic;
+ char u_comm[32];
+ int u_debugreg[8];
+};
+
+#elif defined(__x86_64__)
+
+struct user_i387_struct {
+ unsigned short cwd;
+ unsigned short swd;
+ unsigned short twd;
+ unsigned short fop;
+ __u64 rip;
+ __u64 rdp;
+ __u32 mxcsr;
+ __u32 mxcsr_mask;
+ __u32 st_space[32];
+ __u32 xmm_space[64];
+ __u32 padding[24];
+};
+struct user_regs_struct {
+ unsigned long r15;
+ unsigned long r14;
+ unsigned long r13;
+ unsigned long r12;
+ unsigned long bp;
+ unsigned long bx;
+ unsigned long r11;
+ unsigned long r10;
+ unsigned long r9;
+ unsigned long r8;
+ unsigned long ax;
+ unsigned long cx;
+ unsigned long dx;
+ unsigned long si;
+ unsigned long di;
+ unsigned long orig_ax;
+ unsigned long ip;
+ unsigned long cs;
+ unsigned long flags;
+ unsigned long sp;
+ unsigned long ss;
+ unsigned long fs_base;
+ unsigned long gs_base;
+ unsigned long ds;
+ unsigned long es;
+ unsigned long fs;
+ unsigned long gs;
+};
+struct user {
+ struct user_regs_struct regs;
+ int u_fpvalid;
+ int pad0;
+ struct user_i387_struct i387;
+ unsigned long int u_tsize;
+ unsigned long int u_dsize;
+ unsigned long int u_ssize;
+ unsigned long start_code;
+ unsigned long start_stack;
+ long int signal;
+ int reserved;
+ int pad1;
+ unsigned long u_ar0;
+ struct user_i387_struct *u_fpstate;
+ unsigned long magic;
+ char u_comm[32];
+ unsigned long u_debugreg[8];
+ unsigned long error_code;
+ unsigned long fault_address;
+};
+
+#elif defined(__mips__)
+
+struct user {
+ unsigned long regs[180 / sizeof(unsigned long) + 64];
+ size_t u_tsize;
+ size_t u_dsize;
+ size_t u_ssize;
+ unsigned long start_code;
+ unsigned long start_data;
+ unsigned long start_stack;
+ long int signal;
+ unsigned long u_ar0;
+ unsigned long magic;
+ char u_comm[32];
+};
+
+#else
+
+/* arm and aarch64 have uapi user.h headers. */
+#include <asm/user.h>
+
+#endif
+
+__END_DECLS
+
+#endif /* _SYS_USER_H_ */