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- /* MIPS `ECOFF' 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. */
-
- /* ECOFF uses COFF-like section structures, but its own symbol format.
- This file defines the symbol format in fields whose size and alignment
- will not vary on different host systems. The bfd module coff-msym.c
- converts between external and internal forms of this information,
- deals with byte order issues, etc. */
-
- /* 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
-
- #define EXT_BITS1_WEAKEXT_BIG 0x20
- #define EXT_BITS1_WEAKEXT_LITTLE 0x04
-
- /* 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))
-
- /* Relative file descriptor */
-
- struct rfd_ext {
- char rfd[4];
- };
-