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Diffstat (limited to 'include/coff/ecoff-ext.h')
| -rw-r--r-- | include/coff/ecoff-ext.h | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/include/coff/ecoff-ext.h b/include/coff/ecoff-ext.h new file mode 100644 index 0000000..8b1d8b1 --- /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)) |