diff --git a/include/coff/ecoff-ext.h b/include/coff/ecoff-ext.h
new file mode 100644
index 00000000000..8b1d8b105da
--- /dev/null
+++ b/include/coff/ecoff-ext.h
@@ -0,0 +1,286 @@
+/* `Extended (actually Mangled) COFF' symbol table external format.
+ Copyright 1992 Free Software Foundation.
+ Contributed by Cygnus Support. Written by John Gilmore.
+
+This file is part of GDB.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 2 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program; if not, write to the Free Software
+Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+
+/* File header as a set of bytes */
+
+struct hdr_ext {
+ char h_magic[2];
+ char h_vstamp[2];
+ char h_ilineMax[4];
+ char h_cbLine[4];
+ char h_cbLineOffset[4];
+ char h_idnMax[4];
+ char h_cbDnOffset[4];
+ char h_ipdMax[4];
+ char h_cbPdOffset[4];
+ char h_isymMax[4];
+ char h_cbSymOffset[4];
+ char h_ioptMax[4];
+ char h_cbOptOffset[4];
+ char h_iauxMax[4];
+ char h_cbAuxOffset[4];
+ char h_issMax[4];
+ char h_cbSsOffset[4];
+ char h_issExtMax[4];
+ char h_cbSsExtOffset[4];
+ char h_ifdMax[4];
+ char h_cbFdOffset[4];
+ char h_crfd[4];
+ char h_cbRfdOffset[4];
+ char h_iextMax[4];
+ char h_cbExtOffset[4];
+};
+
+/* File descriptor external record */
+
+struct fdr_ext {
+ char f_adr[4];
+ char f_rss[4];
+ char f_issBase[4];
+ char f_cbSs[4];
+ char f_isymBase[4];
+ char f_csym[4];
+ char f_ilineBase[4];
+ char f_cline[4];
+ char f_ioptBase[4];
+ char f_copt[4];
+ char f_ipdFirst[2];
+ char f_cpd[2];
+ char f_iauxBase[4];
+ char f_caux[4];
+ char f_rfdBase[4];
+ char f_crfd[4];
+ char f_bits1[1];
+ char f_bits2[3];
+ char f_cbLineOffset[4];
+ char f_cbLine[4];
+};
+
+#define FDR_BITS1_LANG_BIG 0xF8
+#define FDR_BITS1_LANG_SH_BIG 3
+#define FDR_BITS1_LANG_LITTLE 0x1F
+#define FDR_BITS1_LANG_SH_LITTLE 0
+
+#define FDR_BITS1_FMERGE_BIG 0x04
+#define FDR_BITS1_FMERGE_LITTLE 0x20
+
+#define FDR_BITS1_FREADIN_BIG 0x02
+#define FDR_BITS1_FREADIN_LITTLE 0x40
+
+#define FDR_BITS1_FBIGENDIAN_BIG 0x01
+#define FDR_BITS1_FBIGENDIAN_LITTLE 0x80
+
+#define FDR_BITS2_GLEVEL_BIG 0xC0
+#define FDR_BITS2_GLEVEL_SH_BIG 6
+#define FDR_BITS2_GLEVEL_LITTLE 0x03
+#define FDR_BITS2_GLEVEL_SH_LITTLE 0
+
+/* We ignore the `reserved' field in bits2. */
+
+
+/* Procedure descriptor external record */
+
+struct pdr_ext {
+ char p_adr[4];
+ char p_isym[4];
+ char p_iline[4];
+ char p_regmask[4];
+ char p_regoffset[4];
+ char p_iopt[4];
+ char p_fregmask[4];
+ char p_fregoffset[4];
+ char p_frameoffset[4];
+ char p_framereg[2];
+ char p_pcreg[2];
+ char p_lnLow[4];
+ char p_lnHigh[4];
+ char p_cbLineOffset[4];
+};
+
+/* Line numbers */
+
+struct line_ext {
+ char l_line[4];
+};
+
+/* Symbol external record */
+
+struct sym_ext {
+ char s_iss[4];
+ char s_value[4];
+ char s_bits1[1];
+ char s_bits2[1];
+ char s_bits3[1];
+ char s_bits4[1];
+};
+
+#define SYM_BITS1_ST_BIG 0xFC
+#define SYM_BITS1_ST_SH_BIG 2
+#define SYM_BITS1_ST_LITTLE 0x3F
+#define SYM_BITS1_ST_SH_LITTLE 0
+
+#define SYM_BITS1_SC_BIG 0x03
+#define SYM_BITS1_SC_SH_LEFT_BIG 3
+#define SYM_BITS1_SC_LITTLE 0xC0
+#define SYM_BITS1_SC_SH_LITTLE 6
+
+#define SYM_BITS2_SC_BIG 0xE0
+#define SYM_BITS2_SC_SH_BIG 5
+#define SYM_BITS2_SC_LITTLE 0x07
+#define SYM_BITS2_SC_SH_LEFT_LITTLE 2
+
+#define SYM_BITS2_RESERVED_BIG 0x10
+#define SYM_BITS2_RESERVED_LITTLE 0x08
+
+#define SYM_BITS2_INDEX_BIG 0x0F
+#define SYM_BITS2_INDEX_SH_LEFT_BIG 16
+#define SYM_BITS2_INDEX_LITTLE 0xF0
+#define SYM_BITS2_INDEX_SH_LITTLE 4
+
+#define SYM_BITS3_INDEX_SH_LEFT_BIG 8
+#define SYM_BITS3_INDEX_SH_LEFT_LITTLE 4
+
+#define SYM_BITS4_INDEX_SH_LEFT_BIG 0
+#define SYM_BITS4_INDEX_SH_LEFT_LITTLE 12
+
+/* External symbol external record */
+
+struct ext_ext {
+ char es_bits1[1];
+ char es_bits2[1];
+ char es_ifd[2];
+ struct sym_ext es_asym;
+};
+
+#define EXT_BITS1_JMPTBL_BIG 0x80
+#define EXT_BITS1_JMPTBL_LITTLE 0x01
+
+#define EXT_BITS1_COBOL_MAIN_BIG 0x40
+#define EXT_BITS1_COBOL_MAIN_LITTLE 0x02
+
+/* Type information external record */
+
+struct tir_ext {
+ char t_bits1[1];
+ char t_tq45[1];
+ char t_tq01[1];
+ char t_tq23[1];
+};
+
+#define TIR_BITS1_FBITFIELD_BIG 0x80
+#define TIR_BITS1_FBITFIELD_LITTLE 0x01
+
+#define TIR_BITS1_CONTINUED_BIG 0x40
+#define TIR_BITS1_CONTINUED_LITTLE 0x02
+
+#define TIR_BITS1_BT_BIG 0x3F
+#define TIR_BITS1_BT_SH_BIG 0
+#define TIR_BITS1_BT_LITTLE 0xFC
+#define TIR_BITS1_BT_SH_LITTLE 2
+
+#define TIR_BITS_TQ4_BIG 0xF0
+#define TIR_BITS_TQ4_SH_BIG 4
+#define TIR_BITS_TQ5_BIG 0x0F
+#define TIR_BITS_TQ5_SH_BIG 0
+#define TIR_BITS_TQ4_LITTLE 0x0F
+#define TIR_BITS_TQ4_SH_LITTLE 0
+#define TIR_BITS_TQ5_LITTLE 0xF0
+#define TIR_BITS_TQ5_SH_LITTLE 4
+
+#define TIR_BITS_TQ0_BIG 0xF0
+#define TIR_BITS_TQ0_SH_BIG 4
+#define TIR_BITS_TQ1_BIG 0x0F
+#define TIR_BITS_TQ1_SH_BIG 0
+#define TIR_BITS_TQ0_LITTLE 0x0F
+#define TIR_BITS_TQ0_SH_LITTLE 0
+#define TIR_BITS_TQ1_LITTLE 0xF0
+#define TIR_BITS_TQ1_SH_LITTLE 4
+
+#define TIR_BITS_TQ2_BIG 0xF0
+#define TIR_BITS_TQ2_SH_BIG 4
+#define TIR_BITS_TQ3_BIG 0x0F
+#define TIR_BITS_TQ3_SH_BIG 0
+#define TIR_BITS_TQ2_LITTLE 0x0F
+#define TIR_BITS_TQ2_SH_LITTLE 0
+#define TIR_BITS_TQ3_LITTLE 0xF0
+#define TIR_BITS_TQ3_SH_LITTLE 4
+
+
+/* Relative symbol external record */
+
+struct rndx_ext {
+ char r_bits[4];
+};
+
+#define RNDX_BITS0_RFD_SH_LEFT_BIG 4
+#define RNDX_BITS1_RFD_BIG 0xF0
+#define RNDX_BITS1_RFD_SH_BIG 4
+
+#define RNDX_BITS0_RFD_SH_LEFT_LITTLE 0
+#define RNDX_BITS1_RFD_LITTLE 0x0F
+#define RNDX_BITS1_RFD_SH_LEFT_LITTLE 8
+
+#define RNDX_BITS1_INDEX_BIG 0x0F
+#define RNDX_BITS1_INDEX_SH_LEFT_BIG 16
+#define RNDX_BITS2_INDEX_SH_LEFT_BIG 8
+#define RNDX_BITS3_INDEX_SH_LEFT_BIG 0
+
+#define RNDX_BITS1_INDEX_LITTLE 0xF0
+#define RNDX_BITS1_INDEX_SH_LITTLE 4
+#define RNDX_BITS2_INDEX_SH_LEFT_LITTLE 4
+#define RNDX_BITS3_INDEX_SH_LEFT_LITTLE 12
+
+
+/* Dense numbers external record */
+
+struct dnr_ext {
+ char d_rfd[4];
+ char d_index[4];
+};
+
+/* Auxliliary symbol information external record */
+
+union aux_ext {
+ struct tir_ext a_ti;
+ struct rndx_ext a_rndx;
+ char a_dnLow[4];
+ char a_dnHigh[4];
+ char a_isym[4];
+ char a_iss[4];
+ char a_width[4];
+ char a_count[4];
+};
+
+/* FIXME! These are copied from ../bfd/libbfd.h */
+PROTO (bfd_vma, _do_getb32, (unsigned char *addr));
+PROTO (bfd_vma, _do_getl32, (unsigned char *addr));
+
+#define AUX_GET_DNLOW(bigend, ax) (bigend? _do_getb32 ((ax)->a_dnLow): \
+ _do_getl32 ((ax)->a_dnLow))
+#define AUX_GET_DNHIGH(bigend, ax) (bigend? _do_getb32 ((ax)->a_dnHigh): \
+ _do_getl32 ((ax)->a_dnHigh))
+#define AUX_GET_ISYM(bigend, ax) (bigend? _do_getb32 ((ax)->a_isym): \
+ _do_getl32 ((ax)->a_isym))
+#define AUX_GET_ISS(bigend, ax) (bigend? _do_getb32 ((ax)->a_iss): \
+ _do_getl32 ((ax)->a_iss))
+#define AUX_GET_WIDTH(bigend, ax) (bigend? _do_getb32 ((ax)->a_width): \
+ _do_getl32 ((ax)->a_width))
+#define AUX_GET_COUNT(bigend, ax) (bigend? _do_getb32 ((ax)->a_count): \
+ _do_getl32 ((ax)->a_count))