diff --git a/include/coff/ecoff-ext.h b/include/coff/ecoff-ext.h
new file mode 100644
index 0000000000..8b1d8b105d
--- /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))