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/* MIPS `ECOFF' symbol table external format.
Copyright 1992, 1993 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 {
unsigned char h_magic[2];
unsigned char h_vstamp[2];
unsigned char h_ilineMax[4];
unsigned char h_cbLine[4];
unsigned char h_cbLineOffset[4];
unsigned char h_idnMax[4];
unsigned char h_cbDnOffset[4];
unsigned char h_ipdMax[4];
unsigned char h_cbPdOffset[4];
unsigned char h_isymMax[4];
unsigned char h_cbSymOffset[4];
unsigned char h_ioptMax[4];
unsigned char h_cbOptOffset[4];
unsigned char h_iauxMax[4];
unsigned char h_cbAuxOffset[4];
unsigned char h_issMax[4];
unsigned char h_cbSsOffset[4];
unsigned char h_issExtMax[4];
unsigned char h_cbSsExtOffset[4];
unsigned char h_ifdMax[4];
unsigned char h_cbFdOffset[4];
unsigned char h_crfd[4];
unsigned char h_cbRfdOffset[4];
unsigned char h_iextMax[4];
unsigned char h_cbExtOffset[4];
};
/* File descriptor external record */
struct fdr_ext {
unsigned char f_adr[4];
unsigned char f_rss[4];
unsigned char f_issBase[4];
unsigned char f_cbSs[4];
unsigned char f_isymBase[4];
unsigned char f_csym[4];
unsigned char f_ilineBase[4];
unsigned char f_cline[4];
unsigned char f_ioptBase[4];
unsigned char f_copt[4];
unsigned char f_ipdFirst[2];
unsigned char f_cpd[2];
unsigned char f_iauxBase[4];
unsigned char f_caux[4];
unsigned char f_rfdBase[4];
unsigned char f_crfd[4];
unsigned char f_bits1[1];
unsigned char f_bits2[3];
unsigned char f_cbLineOffset[4];
unsigned 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 {
unsigned char p_adr[4];
unsigned char p_isym[4];
unsigned char p_iline[4];
unsigned char p_regmask[4];
unsigned char p_regoffset[4];
unsigned char p_iopt[4];
unsigned char p_fregmask[4];
unsigned char p_fregoffset[4];
unsigned char p_frameoffset[4];
unsigned char p_framereg[2];
unsigned char p_pcreg[2];
unsigned char p_lnLow[4];
unsigned char p_lnHigh[4];
unsigned char p_cbLineOffset[4];
};
/* Line numbers */
struct line_ext {
unsigned char l_line[4];
};
/* Symbol external record */
struct sym_ext {
unsigned char s_iss[4];
unsigned char s_value[4];
unsigned char s_bits1[1];
unsigned char s_bits2[1];
unsigned char s_bits3[1];
unsigned 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 {
unsigned char es_bits1[1];
unsigned char es_bits2[1];
unsigned 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 {
unsigned char t_bits1[1];
unsigned char t_tq45[1];
unsigned char t_tq01[1];
unsigned 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 {
unsigned 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 {
unsigned char d_rfd[4];
unsigned char d_index[4];
};
/* Auxliliary symbol information external record */
union aux_ext {
struct tir_ext a_ti;
struct rndx_ext a_rndx;
unsigned char a_dnLow[4];
unsigned char a_dnHigh[4];
unsigned char a_isym[4];
unsigned char a_iss[4];
unsigned char a_width[4];
unsigned char a_count[4];
};
/* FIXME! These are copied from ../bfd/libbfd.h */
extern bfd_vma _do_getb32 PARAMS ((unsigned char *addr));
extern bfd_vma _do_getl32 PARAMS ((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 {
unsigned char rfd[4];
};
/* Optimizer symbol external record */
struct opt_ext {
unsigned char o_bits1[1];
unsigned char o_bits2[1];
unsigned char o_bits3[1];
unsigned char o_bits4[1];
struct rndx_ext o_rndx;
unsigned char o_offset[4];
};
#define OPT_BITS2_VALUE_SH_LEFT_BIG 16
#define OPT_BITS2_VALUE_SH_LEFT_LITTLE 0
#define OPT_BITS3_VALUE_SH_LEFT_BIG 8
#define OPT_BITS3_VALUE_SH_LEFT_LITTLE 8
#define OPT_BITS4_VALUE_SH_LEFT_BIG 0
#define OPT_BITS4_VALUE_SH_LEFT_LITTLE 16
/* Prototypes for the swapping functions. These require that sym.h be
included before this file. */
extern void ecoff_swap_hdr_in PARAMS ((bfd *, struct hdr_ext *, HDRR *));
extern void ecoff_swap_hdr_out PARAMS ((bfd *, HDRR *, struct hdr_ext *));
extern void ecoff_swap_fdr_in PARAMS ((bfd *, struct fdr_ext *, FDR *));
extern void ecoff_swap_fdr_out PARAMS ((bfd *, FDR *, struct fdr_ext *));
extern void ecoff_swap_pdr_in PARAMS ((bfd *, struct pdr_ext *, PDR *));
extern void ecoff_swap_pdr_out PARAMS ((bfd *, PDR *, struct pdr_ext *));
extern void ecoff_swap_sym_in PARAMS ((bfd *, struct sym_ext *, SYMR *));
extern void ecoff_swap_sym_out PARAMS ((bfd *, SYMR *, struct sym_ext *));
extern void ecoff_swap_ext_in PARAMS ((bfd *, struct ext_ext *, EXTR *));
extern void ecoff_swap_ext_out PARAMS ((bfd *, EXTR *, struct ext_ext *));
extern void ecoff_swap_dnr_in PARAMS ((bfd *, struct dnr_ext *, DNR *));
extern void ecoff_swap_dnr_out PARAMS ((bfd *, DNR *, struct dnr_ext *));
extern void ecoff_swap_tir_in PARAMS ((int bigend, struct tir_ext *, TIR *));
extern void ecoff_swap_rndx_in PARAMS ((int bigend, struct rndx_ext *,
RNDXR *));
extern void ecoff_swap_rndx_out PARAMS ((int bigend, RNDXR *,
struct rndx_ext *));
extern void ecoff_swap_rfd_in PARAMS ((bfd *, struct rfd_ext *, RFDT *));
extern void ecoff_swap_rfd_out PARAMS ((bfd *, RFDT *, struct rfd_ext *));
extern void ecoff_swap_opt_in PARAMS ((bfd *, struct opt_ext *, OPTR *));
extern void ecoff_swap_opt_out PARAMS ((bfd *, OPTR *, struct opt_ext *));
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