diff --git a/libc/kernel/arch-arm/asm/ptrace.h b/libc/kernel/arch-arm/asm/ptrace.h
new file mode 100644
index 0000000..c6dfea1
--- /dev/null
+++ b/libc/kernel/arch-arm/asm/ptrace.h
@@ -0,0 +1,95 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   This header was automatically generated from a Linux kernel header
+ ***   of the same name, to make information necessary for userspace to
+ ***   call into the kernel available to libc.  It contains only constants,
+ ***   structures, and macros generated from the original header, and thus,
+ ***   contains no copyrightable information.
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#ifndef __ASM_ARM_PTRACE_H
+#define __ASM_ARM_PTRACE_H
+
+#define PTRACE_GETREGS 12
+#define PTRACE_SETREGS 13
+#define PTRACE_GETFPREGS 14
+#define PTRACE_SETFPREGS 15
+
+#define PTRACE_GETWMMXREGS 18
+#define PTRACE_SETWMMXREGS 19
+
+#define PTRACE_OLDSETOPTIONS 21
+
+#define PTRACE_GET_THREAD_AREA 22
+
+#define PTRACE_SET_SYSCALL 23
+
+#define PTRACE_GETCRUNCHREGS 25
+#define PTRACE_SETCRUNCHREGS 26
+
+#define USR26_MODE 0x00000000
+#define FIQ26_MODE 0x00000001
+#define IRQ26_MODE 0x00000002
+#define SVC26_MODE 0x00000003
+#define USR_MODE 0x00000010
+#define FIQ_MODE 0x00000011
+#define IRQ_MODE 0x00000012
+#define SVC_MODE 0x00000013
+#define ABT_MODE 0x00000017
+#define UND_MODE 0x0000001b
+#define SYSTEM_MODE 0x0000001f
+#define MODE32_BIT 0x00000010
+#define MODE_MASK 0x0000001f
+#define PSR_T_BIT 0x00000020
+#define PSR_F_BIT 0x00000040
+#define PSR_I_BIT 0x00000080
+#define PSR_J_BIT 0x01000000
+#define PSR_Q_BIT 0x08000000
+#define PSR_V_BIT 0x10000000
+#define PSR_C_BIT 0x20000000
+#define PSR_Z_BIT 0x40000000
+#define PSR_N_BIT 0x80000000
+#define PCMASK 0
+
+#define PSR_f 0xff000000  
+#define PSR_s 0x00ff0000  
+#define PSR_x 0x0000ff00  
+#define PSR_c 0x000000ff  
+
+#ifndef __ASSEMBLY__
+
+struct pt_regs {
+ long uregs[18];
+};
+
+#define ARM_cpsr uregs[16]
+#define ARM_pc uregs[15]
+#define ARM_lr uregs[14]
+#define ARM_sp uregs[13]
+#define ARM_ip uregs[12]
+#define ARM_fp uregs[11]
+#define ARM_r10 uregs[10]
+#define ARM_r9 uregs[9]
+#define ARM_r8 uregs[8]
+#define ARM_r7 uregs[7]
+#define ARM_r6 uregs[6]
+#define ARM_r5 uregs[5]
+#define ARM_r4 uregs[4]
+#define ARM_r3 uregs[3]
+#define ARM_r2 uregs[2]
+#define ARM_r1 uregs[1]
+#define ARM_r0 uregs[0]
+#define ARM_ORIG_r0 uregs[17]
+
+#define pc_pointer(v)   ((v) & ~PCMASK)
+
+#define instruction_pointer(regs)   (pc_pointer((regs)->ARM_pc))
+
+#define profile_pc(regs) instruction_pointer(regs)
+
+#endif
+
+#endif
+