| 1 | /* hpread.h |
| 2 | * Common include file for: |
| 3 | * hp_symtab_read.c |
| 4 | * hp_psymtab_read.c |
| 5 | */ |
| 6 | |
| 7 | /* Copyright 1993, 1996 Free Software Foundation, Inc. |
| 8 | |
| 9 | This file is part of GDB. |
| 10 | |
| 11 | This program is free software; you can redistribute it and/or modify |
| 12 | it under the terms of the GNU General Public License as published by |
| 13 | the Free Software Foundation; either version 2 of the License, or |
| 14 | (at your option) any later version. |
| 15 | |
| 16 | This program is distributed in the hope that it will be useful, |
| 17 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 18 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 19 | GNU General Public License for more details. |
| 20 | |
| 21 | You should have received a copy of the GNU General Public License |
| 22 | along with this program; if not, write to the Free Software |
| 23 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
| 24 | |
| 25 | Written by the Center for Software Science at the University of Utah |
| 26 | and by Cygnus Support. */ |
| 27 | |
| 28 | #include "defs.h" |
| 29 | #include "bfd.h" |
| 30 | #include "gdb_string.h" |
| 31 | #include "hp-symtab.h" |
| 32 | #include "syms.h" |
| 33 | #include "symtab.h" |
| 34 | #include "symfile.h" |
| 35 | #include "objfiles.h" |
| 36 | #include "buildsym.h" |
| 37 | #include "complaints.h" |
| 38 | #include "gdb-stabs.h" |
| 39 | #include "gdbtypes.h" |
| 40 | #include "demangle.h" |
| 41 | |
| 42 | /* Private information attached to an objfile which we use to find |
| 43 | and internalize the HP C debug symbols within that objfile. */ |
| 44 | |
| 45 | struct hpread_symfile_info |
| 46 | { |
| 47 | /* The contents of each of the debug sections (there are 4 of them). */ |
| 48 | char *gntt; |
| 49 | char *lntt; |
| 50 | char *slt; |
| 51 | char *vt; |
| 52 | |
| 53 | /* We keep the size of the $VT$ section for range checking. */ |
| 54 | unsigned int vt_size; |
| 55 | |
| 56 | /* Some routines still need to know the number of symbols in the |
| 57 | main debug sections ($LNTT$ and $GNTT$). */ |
| 58 | unsigned int lntt_symcount; |
| 59 | unsigned int gntt_symcount; |
| 60 | |
| 61 | /* To keep track of all the types we've processed. */ |
| 62 | struct type **type_vector; |
| 63 | int type_vector_length; |
| 64 | |
| 65 | /* Keeps track of the beginning of a range of source lines. */ |
| 66 | sltpointer sl_index; |
| 67 | |
| 68 | /* Some state variables we'll need. */ |
| 69 | int within_function; |
| 70 | |
| 71 | /* Keep track of the current function's address. We may need to look |
| 72 | up something based on this address. */ |
| 73 | unsigned int current_function_value; |
| 74 | }; |
| 75 | |
| 76 | /* Accessor macros to get at the fields. */ |
| 77 | #define HPUX_SYMFILE_INFO(o) \ |
| 78 | ((struct hpread_symfile_info *)((o)->sym_private)) |
| 79 | #define GNTT(o) (HPUX_SYMFILE_INFO(o)->gntt) |
| 80 | #define LNTT(o) (HPUX_SYMFILE_INFO(o)->lntt) |
| 81 | #define SLT(o) (HPUX_SYMFILE_INFO(o)->slt) |
| 82 | #define VT(o) (HPUX_SYMFILE_INFO(o)->vt) |
| 83 | #define VT_SIZE(o) (HPUX_SYMFILE_INFO(o)->vt_size) |
| 84 | #define LNTT_SYMCOUNT(o) (HPUX_SYMFILE_INFO(o)->lntt_symcount) |
| 85 | #define GNTT_SYMCOUNT(o) (HPUX_SYMFILE_INFO(o)->gntt_symcount) |
| 86 | #define TYPE_VECTOR(o) (HPUX_SYMFILE_INFO(o)->type_vector) |
| 87 | #define TYPE_VECTOR_LENGTH(o) (HPUX_SYMFILE_INFO(o)->type_vector_length) |
| 88 | #define SL_INDEX(o) (HPUX_SYMFILE_INFO(o)->sl_index) |
| 89 | #define WITHIN_FUNCTION(o) (HPUX_SYMFILE_INFO(o)->within_function) |
| 90 | #define CURRENT_FUNCTION_VALUE(o) (HPUX_SYMFILE_INFO(o)->current_function_value) |
| 91 | |
| 92 | /* Given the native debug symbol SYM, set NAMEP to the name associated |
| 93 | with the debug symbol. Note we may be called with a debug symbol which |
| 94 | has no associated name, in that case we return an empty string. |
| 95 | |
| 96 | Also note we "know" that the name for any symbol is always in the |
| 97 | same place. Hence we don't have to conditionalize on the symbol type. */ |
| 98 | #define SET_NAMESTRING(SYM, NAMEP, OBJFILE) \ |
| 99 | if (! hpread_has_name ((SYM)->dblock.kind)) \ |
| 100 | *NAMEP = ""; \ |
| 101 | else if (((unsigned)(SYM)->dsfile.name) >= VT_SIZE (OBJFILE)) \ |
| 102 | { \ |
| 103 | complain (&string_table_offset_complaint, (char *) symnum); \ |
| 104 | *NAMEP = ""; \ |
| 105 | } \ |
| 106 | else \ |
| 107 | *NAMEP = (SYM)->dsfile.name + VT (OBJFILE) |
| 108 | \f |
| 109 | /* We put a pointer to this structure in the read_symtab_private field |
| 110 | of the psymtab. */ |
| 111 | |
| 112 | struct symloc |
| 113 | { |
| 114 | /* The offset within the file symbol table of first local symbol for |
| 115 | this file. */ |
| 116 | |
| 117 | int ldsymoff; |
| 118 | |
| 119 | /* Length (in bytes) of the section of the symbol table devoted to |
| 120 | this file's symbols (actually, the section bracketed may contain |
| 121 | more than just this file's symbols). If ldsymlen is 0, the only |
| 122 | reason for this thing's existence is the dependency list. |
| 123 | Nothing else will happen when it is read in. */ |
| 124 | |
| 125 | int ldsymlen; |
| 126 | }; |
| 127 | |
| 128 | #define LDSYMOFF(p) (((struct symloc *)((p)->read_symtab_private))->ldsymoff) |
| 129 | #define LDSYMLEN(p) (((struct symloc *)((p)->read_symtab_private))->ldsymlen) |
| 130 | #define SYMLOC(p) ((struct symloc *)((p)->read_symtab_private)) |
| 131 | \f |
| 132 | /* FIXME: Shouldn't this stuff be in a .h file somewhere? */ |
| 133 | /* Nonzero means give verbose info on gdb action. */ |
| 134 | extern int info_verbose; |
| 135 | |
| 136 | /* Complaints about the symbols we have encountered. */ |
| 137 | extern struct complaint string_table_offset_complaint; |
| 138 | extern struct complaint lbrac_unmatched_complaint; |
| 139 | extern struct complaint lbrac_mismatch_complaint; |
| 140 | |
| 141 | extern union sltentry *hpread_get_slt |
| 142 | PARAMS ((int, struct objfile *)); |
| 143 | |
| 144 | extern union dnttentry *hpread_get_lntt |
| 145 | PARAMS ((int, struct objfile *)); |
| 146 | |
| 147 | int hpread_has_name |
| 148 | PARAMS ((enum dntt_entry_type)); |
| 149 | |
| 150 | /* end of hpread.h */ |