diff --git a/libc/kernel/uapi/linux/coff.h b/libc/kernel/uapi/linux/coff.h
new file mode 100644
index 0000000..cdbb8d8
--- /dev/null
+++ b/libc/kernel/uapi/linux/coff.h
@@ -0,0 +1,243 @@
+/****************************************************************************
+ ****************************************************************************
+ ***
+ ***   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.
+ ***
+ ***   To edit the content of this header, modify the corresponding
+ ***   source file (e.g. under external/kernel-headers/original/) then
+ ***   run bionic/libc/kernel/tools/update_all.py
+ ***
+ ***   Any manual change here will be lost the next time this script will
+ ***   be run. You've been warned!
+ ***
+ ****************************************************************************
+ ****************************************************************************/
+#define E_SYMNMLEN 8
+#define E_FILNMLEN 14
+#define E_DIMNUM 4
+#define COFF_SHORT_L(ps) ((short)(((unsigned short)((unsigned char)ps[1])<<8)|  ((unsigned short)((unsigned char)ps[0]))))
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_LONG_L(ps) (((long)(((unsigned long)((unsigned char)ps[3])<<24) |  ((unsigned long)((unsigned char)ps[2])<<16) |  ((unsigned long)((unsigned char)ps[1])<<8) |  ((unsigned long)((unsigned char)ps[0])))))
+#define COFF_SHORT_H(ps) ((short)(((unsigned short)((unsigned char)ps[0])<<8)|  ((unsigned short)((unsigned char)ps[1]))))
+#define COFF_LONG_H(ps) (((long)(((unsigned long)((unsigned char)ps[0])<<24) |  ((unsigned long)((unsigned char)ps[1])<<16) |  ((unsigned long)((unsigned char)ps[2])<<8) |  ((unsigned long)((unsigned char)ps[3])))))
+#define COFF_LONG(v) COFF_LONG_L(v)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_SHORT(v) COFF_SHORT_L(v)
+struct COFF_filehdr {
+ char f_magic[2];
+ char f_nscns[2];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char f_timdat[4];
+ char f_symptr[4];
+ char f_nsyms[4];
+ char f_opthdr[2];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char f_flags[2];
+};
+#define COFF_F_RELFLG 0000001
+#define COFF_F_EXEC 0000002
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_F_LNNO 0000004
+#define COFF_F_LSYMS 0000010
+#define COFF_F_MINMAL 0000020
+#define COFF_F_UPDATE 0000040
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_F_SWABD 0000100
+#define COFF_F_AR16WR 0000200
+#define COFF_F_AR32WR 0000400
+#define COFF_F_AR32W 0001000
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_F_PATCH 0002000
+#define COFF_F_NODF 0002000
+#define COFF_I386MAGIC 0x14c
+#define COFF_I386BADMAG(x) (COFF_SHORT((x).f_magic) != COFF_I386MAGIC)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_FILHDR struct COFF_filehdr
+#define COFF_FILHSZ sizeof(COFF_FILHDR)
+typedef struct
+{
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char magic[2];
+ char vstamp[2];
+ char tsize[4];
+ char dsize[4];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char bsize[4];
+ char entry[4];
+ char text_start[4];
+ char data_start[4];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+}
+COFF_AOUTHDR;
+#define COFF_AOUTSZ (sizeof(COFF_AOUTHDR))
+#define COFF_STMAGIC 0401
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_OMAGIC 0404
+#define COFF_JMAGIC 0407
+#define COFF_DMAGIC 0410
+#define COFF_ZMAGIC 0413
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_SHMAGIC 0443
+struct COFF_scnhdr {
+ char s_name[8];
+ char s_paddr[4];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char s_vaddr[4];
+ char s_size[4];
+ char s_scnptr[4];
+ char s_relptr[4];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char s_lnnoptr[4];
+ char s_nreloc[2];
+ char s_nlnno[2];
+ char s_flags[4];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+#define COFF_SCNHDR struct COFF_scnhdr
+#define COFF_SCNHSZ sizeof(COFF_SCNHDR)
+#define COFF_TEXT ".text"
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_DATA ".data"
+#define COFF_BSS ".bss"
+#define COFF_COMMENT ".comment"
+#define COFF_LIB ".lib"
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_SECT_TEXT 0
+#define COFF_SECT_DATA 1
+#define COFF_SECT_BSS 2
+#define COFF_SECT_REQD 3
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_STYP_REG 0x00
+#define COFF_STYP_DSECT 0x01
+#define COFF_STYP_NOLOAD 0x02
+#define COFF_STYP_GROUP 0x04
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_STYP_PAD 0x08
+#define COFF_STYP_COPY 0x10
+#define COFF_STYP_TEXT 0x20
+#define COFF_STYP_DATA 0x40
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_STYP_BSS 0x80
+#define COFF_STYP_INFO 0x200
+#define COFF_STYP_OVER 0x400
+#define COFF_STYP_LIB 0x800
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+struct COFF_slib {
+ char sl_entsz[4];
+ char sl_pathndx[4];
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_SLIBHD struct COFF_slib
+#define COFF_SLIBSZ sizeof(COFF_SLIBHD)
+struct COFF_lineno {
+ union {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char l_symndx[4];
+ char l_paddr[4];
+ } l_addr;
+ char l_lnno[2];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+#define COFF_LINENO struct COFF_lineno
+#define COFF_LINESZ 6
+#define COFF_E_SYMNMLEN 8
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_E_FILNMLEN 14
+#define COFF_E_DIMNUM 4
+struct COFF_syment
+{
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ union {
+ char e_name[E_SYMNMLEN];
+ struct {
+ char e_zeroes[4];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char e_offset[4];
+ } e;
+ } e;
+ char e_value[4];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char e_scnum[2];
+ char e_type[2];
+ char e_sclass[1];
+ char e_numaux[1];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+};
+#define COFF_N_BTMASK (0xf)
+#define COFF_N_TMASK (0x30)
+#define COFF_N_BTSHFT (4)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_N_TSHIFT (2)
+union COFF_auxent {
+ struct {
+ char x_tagndx[4];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ union {
+ struct {
+ char x_lnno[2];
+ char x_size[2];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ } x_lnsz;
+ char x_fsize[4];
+ } x_misc;
+ union {
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct {
+ char x_lnnoptr[4];
+ char x_endndx[4];
+ } x_fcn;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct {
+ char x_dimen[E_DIMNUM][2];
+ } x_ary;
+ } x_fcnary;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char x_tvndx[2];
+ } x_sym;
+ union {
+ char x_fname[E_FILNMLEN];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ struct {
+ char x_zeroes[4];
+ char x_offset[4];
+ } x_n;
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ } x_file;
+ struct {
+ char x_scnlen[4];
+ char x_nreloc[2];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char x_nlinno[2];
+ } x_scn;
+ struct {
+ char x_tvfill[4];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char x_tvlen[2];
+ char x_tvran[2][2];
+ } x_tv;
+};
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_SYMENT struct COFF_syment
+#define COFF_SYMESZ 18
+#define COFF_AUXENT union COFF_auxent
+#define COFF_AUXESZ 18
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_ETEXT "etext"
+struct COFF_reloc {
+ char r_vaddr[4];
+ char r_symndx[4];
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+ char r_type[2];
+};
+#define COFF_RELOC struct COFF_reloc
+#define COFF_RELSZ 10
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define COFF_DEF_DATA_SECTION_ALIGNMENT 4
+#define COFF_DEF_BSS_SECTION_ALIGNMENT 4
+#define COFF_DEF_TEXT_SECTION_ALIGNMENT 4
+#define COFF_DEF_SECTION_ALIGNMENT 4
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */