383 lines
14 KiB
C
383 lines
14 KiB
C
/* evax.h -- Header file for ALPHA EVAX (openVMS/Alpha) support.
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Copyright 1996, 1997 Free Software Foundation, Inc.
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Written by Klaus K"ampf (kkaempf@progis.de)
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of proGIS Softwareentwicklung, Aachen, Germany
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
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#ifndef EVAX_H
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#define EVAX_H
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/* EVAX Text, information and relocation record (ETIR) definitions. */
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#define ETIR_S_C_MINSTACOD 0 /* Minimum store code */
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#define ETIR_S_C_STA_GBL 0 /* Stack global symbol value */
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#define ETIR_S_C_STA_LW 1 /* Stack longword */
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#define ETIR_S_C_STA_QW 2 /* Stack quadword */
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#define ETIR_S_C_STA_PQ 3 /* Stack psect base plus quadword offset */
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#define ETIR_S_C_STA_LI 4 /* Stack literal */
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#define ETIR_S_C_STA_MOD 5 /* Stack module */
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#define ETIR_S_C_STA_CKARG 6 /* Check Arguments */
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#define ETIR_S_C_MAXSTACOD 6 /* Maximum stack code */
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#define ETIR_S_C_MINSTOCOD 50 /* Minimum store code */
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#define ETIR_S_C_STO_B 50 /* Store byte */
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#define ETIR_S_C_STO_W 51 /* Store word */
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#define ETIR_S_C_STO_LW 52 /* Store longword */
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#define ETIR_S_C_STO_QW 53 /* Store quadword */
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#define ETIR_S_C_STO_IMMR 54 /* Store immediate Repeated */
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#define ETIR_S_C_STO_GBL 55 /* Store global */
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#define ETIR_S_C_STO_CA 56 /* Store code address */
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#define ETIR_S_C_STO_RB 57 /* Store relative branch */
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#define ETIR_S_C_STO_AB 58 /* Store absolute branch */
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#define ETIR_S_C_STO_OFF 59 /* Store offset within psect */
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#define ETIR_S_C_STO_IMM 61 /* Store immediate */
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#define ETIR_S_C_STO_GBL_LW 62 /* Store global Longword */
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#define ETIR_S_C_STO_LP_PSB 63 /* STO_LP_PSB not valid in level 2 use STC_LP_PSB */
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#define ETIR_S_C_STO_HINT_GBL 64 /* Store 14 bit HINT at global address */
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#define ETIR_S_C_STO_HINT_PS 65 /* Store 14 bit HINT at psect + offset */
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#define ETIR_S_C_MAXSTOCOD 65 /* Maximum store code */
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#define ETIR_S_C_MINOPRCOD 100 /* Minimum operate code */
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#define ETIR_S_C_OPR_NOP 100 /* No-op */
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#define ETIR_S_C_OPR_ADD 101 /* Add */
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#define ETIR_S_C_OPR_SUB 102 /* Subtract */
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#define ETIR_S_C_OPR_MUL 103 /* Multiply */
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#define ETIR_S_C_OPR_DIV 104 /* Divide */
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#define ETIR_S_C_OPR_AND 105 /* Logical AND */
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#define ETIR_S_C_OPR_IOR 106 /* Logical inclusive OR */
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#define ETIR_S_C_OPR_EOR 107 /* Logical exclusive OR */
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#define ETIR_S_C_OPR_NEG 108 /* Negate */
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#define ETIR_S_C_OPR_COM 109 /* Complement */
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#define ETIR_S_C_OPR_INSV 110 /* Insert bit field */
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#define ETIR_S_C_OPR_ASH 111 /* Arithmetic shift */
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#define ETIR_S_C_OPR_USH 112 /* Unsigned shift */
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#define ETIR_S_C_OPR_ROT 113 /* Rotate */
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#define ETIR_S_C_OPR_SEL 114 /* Select one of three longwords on top of stack */
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#define ETIR_S_C_OPR_REDEF 115 /* Redefine this symbol after pass 2 */
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#define ETIR_S_C_OPR_DFLIT 116 /* Define a literal */
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#define ETIR_S_C_MAXOPRCOD 116 /* Maximum operate code */
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#define ETIR_S_C_MINCTLCOD 150 /* Minimum control code */
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#define ETIR_S_C_CTL_SETRB 150 /* Set relocation base */
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#define ETIR_S_C_CTL_AUGRB 151 /* Augment relocation base */
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#define ETIR_S_C_CTL_DFLOC 152 /* Define debug location */
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#define ETIR_S_C_CTL_STLOC 153 /* Set debug location */
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#define ETIR_S_C_CTL_STKDL 154 /* Stack debug location */
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#define ETIR_S_C_MAXCTLCOD 154 /* Maximum control code */
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#define ETIR_S_C_MINSTCCOD 200 /* Minimum store-conditional code */
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#define ETIR_S_C_STC_LP 200 /* Store-conditional Linkage Pair */
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#define ETIR_S_C_STC_LP_PSB 201 /* Store-conditional Linkage Pair with Procedure Signature */
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#define ETIR_S_C_STC_GBL 202 /* Store-conditional Address at global address */
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#define ETIR_S_C_STC_GCA 203 /* Store-conditional Code Address at global address */
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#define ETIR_S_C_STC_PS 204 /* Store-conditional Address at psect + offset */
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#define ETIR_S_C_STC_NOP_GBL 205 /* Store-conditional NOP at address of global */
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#define ETIR_S_C_STC_NOP_PS 206 /* Store-conditional NOP at pect + offset */
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#define ETIR_S_C_STC_BSR_GBL 207 /* Store-conditional BSR at global address */
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#define ETIR_S_C_STC_BSR_PS 208 /* Store-conditional BSR at pect + offset */
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#define ETIR_S_C_STC_LDA_GBL 209 /* Store-conditional LDA at global address */
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#define ETIR_S_C_STC_LDA_PS 210 /* Store-conditional LDA at psect + offset */
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#define ETIR_S_C_STC_BOH_GBL 211 /* Store-conditional BSR or Hint at global address */
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#define ETIR_S_C_STC_BOH_PS 212 /* Store-conditional BSR or Hint at pect + offset */
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#define ETIR_S_C_STC_NBH_GBL 213 /* Store-conditional NOP,BSR or HINT at global address */
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#define ETIR_S_C_STC_NBH_PS 214 /* Store-conditional NOP,BSR or HINT at psect + offset */
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#define ETIR_S_C_MAXSTCCOD 214 /* Maximum store-conditional code */
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/* EVAX Global symbol definition record (EGSD). */
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#define EGSD_S_K_ENTRIES 2 /* Offset to first entry in record */
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#define EGSD_S_C_ENTRIES 2 /* Offset to first entry in record */
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#define EGSD_S_C_PSC 0 /* Psect definition */
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#define EGSD_S_C_SYM 1 /* Symbol specification */
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#define EGSD_S_C_IDC 2 /* Random entity check */
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#define EGSD_S_C_SPSC 5 /* Shareable image psect definition */
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#define EGSD_S_C_SYMV 6 /* Vectored (dual-valued) versions of SYM, */
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#define EGSD_S_C_SYMM 7 /* Masked versions of SYM, */
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#define EGSD_S_C_SYMG 8 /* EGST - gst version of SYM */
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#define EGSD_S_C_MAXRECTYP 8 /* Maximum entry type defined */
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#define EGPS_S_V_PIC 0x0001
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#define EGPS_S_V_LIB 0x0002
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#define EGPS_S_V_OVR 0x0004
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#define EGPS_S_V_REL 0x0008
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#define EGPS_S_V_GBL 0x0010
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#define EGPS_S_V_SHR 0x0020
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#define EGPS_S_V_EXE 0x0040
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#define EGPS_S_V_RD 0x0080
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#define EGPS_S_V_WRT 0x0100
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#define EGPS_S_V_VEC 0x0200
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#define EGPS_S_V_NOMOD 0x0400
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#define EGPS_S_V_COM 0x0800
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#define EGSY_S_V_WEAK 0x0001
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#define EGSY_S_V_DEF 0x0002
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#define EGSY_S_V_UNI 0x0004
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#define EGSY_S_V_REL 0x0008
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#define EGSY_S_V_COMM 0x0010
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#define EGSY_S_V_VECEP 0x0020
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#define EGSY_S_V_NORM 0x0040
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/* EVAX Module header record (EMH) definitions. */
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#define EMH_S_C_MHD 0 /* Main header record */
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#define EMH_S_C_LNM 1 /* Language name and version */
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#define EMH_S_C_SRC 2 /* Source file specification */
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#define EMH_S_C_TTL 3 /* Title text of module */
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#define EMH_S_C_CPR 4 /* Copyright notice */
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#define EMH_S_C_MTC 5 /* Maintenance status */
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#define EMH_S_C_GTX 6 /* General text */
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#define EMH_S_C_MAXHDRTYP 6 /* Maximum allowable type */
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/* evax-alpha.c. */
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extern asymbol *_bfd_evax_make_empty_symbol PARAMS ((bfd *abfd));
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/* evax-egsd.c. */
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extern int _bfd_evax_slurp_egsd PARAMS ((bfd *abfd));
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extern int _bfd_evax_write_egsd PARAMS ((bfd *abfd));
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/* evax-emh.c. */
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extern int _bfd_evax_slurp_emh PARAMS ((bfd *abfd));
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extern int _bfd_evax_write_emh PARAMS ((bfd *abfd));
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extern int _bfd_evax_slurp_eeom PARAMS ((bfd *abfd));
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extern int _bfd_evax_write_eeom PARAMS ((bfd *abfd));
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/* evax-etir.c. */
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extern int _bfd_evax_slurp_etir PARAMS ((bfd *abfd));
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extern int _bfd_evax_slurp_edbg PARAMS ((bfd *abfd));
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extern int _bfd_evax_slurp_etbt PARAMS ((bfd *abfd));
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extern int _bfd_evax_write_etir PARAMS ((bfd *abfd));
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extern int _bfd_evax_write_etbt PARAMS ((bfd *abfd));
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extern int _bfd_evax_write_edbg PARAMS ((bfd *abfd));
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/* The r_type field in a reloc is one of the following values. */
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#define ALPHA_R_IGNORE 0
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#define ALPHA_R_REFQUAD 1
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#define ALPHA_R_BRADDR 2
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#define ALPHA_R_HINT 3
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#define ALPHA_R_SREL16 4
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#define ALPHA_R_SREL32 5
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#define ALPHA_R_SREL64 6
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#define ALPHA_R_OP_PUSH 7
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#define ALPHA_R_OP_STORE 8
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#define ALPHA_R_OP_PSUB 9
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#define ALPHA_R_OP_PRSHIFT 10
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#define ALPHA_R_LINKAGE 11
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#define ALPHA_R_REFLONG 12
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#define ALPHA_R_CODEADDR 13
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/* Object language definitions. */
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#define EOBJ_S_C_EMH 8 /*EVAX module header record */
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#define EOBJ_S_C_EEOM 9 /*EVAX end of module record */
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#define EOBJ_S_C_EGSD 10 /*EVAX global symbol definition record */
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#define EOBJ_S_C_ETIR 11 /*EVAX text information record */
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#define EOBJ_S_C_EDBG 12 /*EVAX Debugger information record */
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#define EOBJ_S_C_ETBT 13 /*EVAX Traceback information record */
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#define EOBJ_S_C_MAXRECTYP 13 /*Last assigned record type */
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#define EOBJ_S_K_SUBTYP 4
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#define EOBJ_S_C_SUBTYP 4
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#define EOBJ_S_C_MAXRECSIZ 8192 /*Maximum legal record size */
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#define EOBJ_S_C_STRLVL 2 /*Structure level */
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#define EOBJ_S_C_SYMSIZ 64 /*Maxymum symbol length */
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#define EOBJ_S_C_STOREPLIM -1 /*Maximum repeat count on store commands */
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#define EOBJ_S_C_PSCALILIM 16 /*Maximum p-sect alignment */
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/* Miscellaneous definitions. */
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#if __GNUC__
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typedef unsigned long long uquad;
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#else
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typedef unsigned long uquad;
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#endif
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#define MAX_OUTREC_SIZE 4096
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#define MIN_OUTREC_LUFT 64
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typedef struct _evax_section {
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unsigned char *contents;
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bfd_vma offset;
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bfd_size_type size;
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struct _evax_section *next;
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} evax_section;
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extern boolean _bfd_save_evax_section
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PARAMS ((bfd *abfd, asection *section, PTR data, file_ptr offset,
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bfd_size_type count));
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extern evax_section *_bfd_get_evax_section PARAMS ((bfd *abfd, int index));
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typedef struct _evax_reloc {
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struct _evax_reloc *next;
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arelent *reloc;
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asection *section;
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} evax_reloc;
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/* evax module header */
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struct emh_struc {
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int emh_b_strlvl;
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long emh_l_arch1;
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long emh_l_arch2;
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long emh_l_recsiz;
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char *emh_t_name;
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char *emh_t_version;
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char *emh_t_date;
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char *emh_c_lnm;
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char *emh_c_src;
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char *emh_c_ttl;
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};
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/* evax end of module */
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struct eeom_struc {
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long eeom_l_total_lps;
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unsigned char eeom_b_comcod;
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boolean eeom_has_transfer;
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unsigned char eeom_b_tfrflg;
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long eeom_l_psindx;
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long eeom_l_tfradr;
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};
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enum file_format_enum { FF_UNKNOWN, FF_FOREIGN, FF_NATIVE };
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typedef struct evax_symbol_struct {
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struct bfd_hash_entry bfd_hash;
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asymbol *symbol;
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} evax_symbol_entry;
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/* stack value for push/pop commands */
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struct stack_struct {
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uquad value;
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int psect;
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};
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#define STACKSIZE 50
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/* location stack definitions for CTL_DFLOC, CTL_STLOC, and CTL_STKDL */
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struct location_struct {
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unsigned long value;
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int psect;
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};
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#define LOCATION_SAVE_SIZE 32
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#define EVAX_SECTION_COUNT 32
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struct evax_private_data_struct {
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boolean fixup_done; /* Flag to indicate if all
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section pointers and PRIV(sections)
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are set up correctly */
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unsigned char *evax_buf; /* buffer to record */
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int buf_size; /* max size of buffer */
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unsigned char *evax_rec; /* actual record ptr */
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int rec_length; /* remaining record length */
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int rec_size; /* actual record size */
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int rec_type; /* actual record type */
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enum file_format_enum file_format;
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struct emh_struc emh_data; /* data from EMH record */
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struct eeom_struc eeom_data; /* data from EEOM record */
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int egsd_sec_count; /* # of EGSD sections */
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asection **sections; /* vector of EGSD sections */
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int egsd_sym_count; /* # of EGSD symbols */
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asymbol **symbols; /* vector of EGSD symbols */
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struct proc_value *procedure;
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struct stack_struct *stack;
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int stackptr;
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evax_section *evax_section_table[EVAX_SECTION_COUNT];
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struct bfd_hash_table *evax_symbol_table;
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struct symbol_cache_entry **symcache;
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int symnum;
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struct location_struct *location_stack;
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unsigned char *image_ptr; /* a pointer to section->contents */
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unsigned char pdsc[8]; /* procedure descriptor */
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/* Output routine storage */
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unsigned char *output_buf; /* output data */
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int push_level;
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int pushed_size;
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int length_pos;
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int output_size;
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int output_alignment;
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/* linkage index counter
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used by conditional store commands (ETIR_S_C_STC_) */
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int evax_linkage_index;
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/* see tc-alpha.c of gas for a description. */
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int flag_hash_long_names; /* -+, hash instead of truncate */
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int flag_show_after_trunc; /* -H, show hashing/truncation */
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};
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#define PRIV(name) ((struct evax_private_data_struct *)abfd->tdata.any)->name
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#if EVAX_DEBUG
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extern void _bfd_evax_debug PARAMS((int level, char *format, ...));
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extern void _bfd_hexdump
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PARAMS ((int level, unsigned char *ptr, int size, int offset));
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#define evax_debug _bfd_evax_debug
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#endif
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extern struct bfd_hash_entry *_bfd_evax_hash_newfunc
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PARAMS ((struct bfd_hash_entry *entry, struct bfd_hash_table *table,
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const char *string));
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extern void _bfd_evax_get_header_values
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PARAMS ((bfd *abfd, unsigned char *buf, int *type, int *length));
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extern int _bfd_evax_get_record PARAMS ((bfd *abfd));
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extern int _bfd_evax_next_record PARAMS ((bfd *abfd));
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extern char *_bfd_evax_save_sized_string PARAMS ((char *str, int size));
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extern char *_bfd_evax_save_counted_string PARAMS ((char *ptr));
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extern void _bfd_evax_push PARAMS ((bfd *abfd, uquad val, int psect));
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extern uquad _bfd_evax_pop PARAMS ((bfd *abfd, int *psect));
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extern boolean _bfd_save_evax_section
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PARAMS ((bfd *abfd, asection *section, PTR data, file_ptr offset,
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bfd_size_type count));
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extern void _bfd_evax_output_begin
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PARAMS ((bfd *abfd, int rectype, int rechead));
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extern void _bfd_evax_output_alignment PARAMS ((bfd *abfd, int alignto));
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extern void _bfd_evax_output_push PARAMS ((bfd *abfd));
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extern void _bfd_evax_output_pop PARAMS ((bfd *abfd));
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extern void _bfd_evax_output_flush PARAMS ((bfd *abfd));
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extern void _bfd_evax_output_end PARAMS ((bfd *abfd));
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extern int _bfd_evax_output_check PARAMS ((bfd *abfd, int size));
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extern void _bfd_evax_output_byte PARAMS ((bfd *abfd, unsigned int value));
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extern void _bfd_evax_output_short PARAMS ((bfd *abfd, unsigned int value));
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extern void _bfd_evax_output_long PARAMS ((bfd *abfd, unsigned long value));
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extern void _bfd_evax_output_quad PARAMS ((bfd *abfd, uquad value));
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extern void _bfd_evax_output_counted PARAMS ((bfd *abfd, char *value));
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extern void _bfd_evax_output_dump PARAMS ((bfd *abfd, unsigned char *data,
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int length));
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extern void _bfd_evax_output_fill PARAMS ((bfd *abfd, int value, int length));
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extern char *_bfd_evax_length_hash_symbol PARAMS ((bfd *abfd, const char *in));
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#endif /* EVAX_H */
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