aboutsummaryrefslogtreecommitdiff
path: root/gdb/hp-symtab-read.c
diff options
context:
space:
mode:
authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:34:07 +0000
commit071ea11e85eb9d529cc5eb3d35f6247466a21b99 (patch)
tree5deda65b8d7b04d1f4cbc534c3206d328e1267ec /gdb/hp-symtab-read.c
parent1730ec6b1848f0f32154277f788fb29f88d8475b (diff)
downloadfsf-binutils-gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.zip
fsf-binutils-gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.gz
fsf-binutils-gdb-071ea11e85eb9d529cc5eb3d35f6247466a21b99.tar.bz2
Initial creation of sourceware repository
Diffstat (limited to 'gdb/hp-symtab-read.c')
-rw-r--r--gdb/hp-symtab-read.c3988
1 files changed, 0 insertions, 3988 deletions
diff --git a/gdb/hp-symtab-read.c b/gdb/hp-symtab-read.c
deleted file mode 100644
index 90d4a10..0000000
--- a/gdb/hp-symtab-read.c
+++ /dev/null
@@ -1,3988 +0,0 @@
-/* Read hp debug symbols and convert to internal format, for GDB.
- Copyright 1993, 1996 Free Software Foundation, Inc.
-
- 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- Written by the Center for Software Science at the University of Utah
- and by Cygnus Support. */
-
-/* Common include for hp-symtab-read.c and hp-psymtab-read.c.
- * Note this has nested includes for a bunch of stuff.
- */
-#include "defs.h"
-#include "symtab.h"
-#include "gdbtypes.h"
-#include "hpread.h"
-#include "demangle.h"
-#include "complaints.h"
-
-
-
-
-static struct complaint hpread_unhandled_end_common_complaint =
-{
- "unhandled symbol in hp-symtab-read.c: DNTT_TYPE_COMMON/DNTT_TYPE_END.\n", 0, 0
-};
-
-static struct complaint hpread_unhandled_type_complaint =
-{
- "hpread_type_translate: unhandled type code.", 0, 0
-};
-
-static struct complaint hpread_struct_complaint =
-{
- "hpread_read_struct_type: expected SVAR type...", 0, 0
-};
-
-static struct complaint hpread_array_complaint =
-{
- "error in hpread_array_type.", 0, 0
-};
-
-static struct complaint hpread_type_lookup_complaint =
-{
- "error in hpread_type_lookup().", 0, 0
-};
-
-
-static struct complaint hpread_unexpected_end_complaint =
-{
- "internal error in hp-symtab-read.c: Unexpected DNTT_TYPE_END kind.", 0, 0
-};
-
-static struct complaint hpread_tagdef_complaint =
-{
- "error processing class tagdef", 0, 0
-};
-
-static struct complaint hpread_unhandled_common_complaint =
-{
- "unhandled symbol in hp-symtab-read.c: DNTT_TYPE_COMMON.", 0, 0
-};
-
-static struct complaint hpread_unhandled_blockdata_complaint =
-{
- "unhandled symbol in hp-symtab-read.c: DNTT_TYPE_BLOCKDATA.", 0, 0
-};
-
-
-/* Forward procedure declarations */
-
-static unsigned long hpread_get_scope_start
- PARAMS ((sltpointer, struct objfile *));
-
-static unsigned long hpread_get_line
- PARAMS ((sltpointer, struct objfile *));
-
-static CORE_ADDR hpread_get_location
- PARAMS ((sltpointer, struct objfile *));
-
-static void hpread_psymtab_to_symtab_1
- PARAMS ((struct partial_symtab *));
-
-void hpread_psymtab_to_symtab
- PARAMS ((struct partial_symtab *));
-
-static struct symtab *hpread_expand_symtab
- PARAMS ((struct objfile *, int, int, CORE_ADDR, int,
- struct section_offsets *, char *));
-
-static int hpread_type_translate
- PARAMS ((dnttpointer));
-
-static struct type **hpread_lookup_type
- PARAMS ((dnttpointer, struct objfile *));
-
-static struct type *hpread_alloc_type
- PARAMS ((dnttpointer, struct objfile *));
-
-static struct type *hpread_read_enum_type
- PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
-
-static struct type *hpread_read_function_type
- PARAMS ((dnttpointer, union dnttentry *, struct objfile *, int));
-
-static struct type *hpread_read_doc_function_type
- PARAMS ((dnttpointer, union dnttentry *, struct objfile *, int));
-
-static struct type *hpread_read_struct_type
- PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
-
-static struct type *hpread_get_nth_template_arg
- PARAMS ((struct objfile *, int));
-
-static struct type * hpread_read_templ_arg_type
- PARAMS ((dnttpointer, union dnttentry *, struct objfile *, char *));
-
-static struct type *hpread_read_set_type
- PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
-
-static struct type * hpread_read_array_type
- PARAMS ((dnttpointer, union dnttentry *dn_bufp, struct objfile *objfile));
-
-static struct type *hpread_read_subrange_type
- PARAMS ((dnttpointer, union dnttentry *, struct objfile *));
-
-static struct type * hpread_type_lookup
- PARAMS ((dnttpointer, struct objfile *));
-
-static sltpointer hpread_record_lines
- PARAMS ((struct subfile *, sltpointer, sltpointer,
- struct objfile *, CORE_ADDR));
-
-static void hpread_process_one_debug_symbol
- PARAMS ((union dnttentry *, char *, struct section_offsets *,
- struct objfile *, CORE_ADDR, int, char *, int, int * ));
-
-static int hpread_get_scope_depth
- PARAMS ((union dnttentry *, struct objfile *, int));
-
-static void fix_static_member_physnames
- PARAMS ((struct type *, char *, struct objfile *));
-
-static void fixup_class_method_type
- PARAMS ((struct type *, struct type *, struct objfile *));
-
-static void hpread_adjust_bitoffsets PARAMS ((struct type *, int));
-
-static dnttpointer hpread_get_next_skip_over_anon_unions
- PARAMS ((int, dnttpointer, union dnttentry **, struct objfile *));
-
-/* Global to indicate presence of HP-compiled objects,
- in particular, SOM executable file with SOM debug info
- Defined in symtab.c, used in hppa-tdep.c. */
-extern int hp_som_som_object_present;
-
-/* Static used to indicate a class type that requires a
- fix-up of one of its method types */
-static struct type * fixup_class = NULL;
-
-/* Static used to indicate the method type that is to be
- used to fix-up the type for fixup_class */
-static struct type * fixup_method = NULL;
-
-
-
-/* Get the nesting depth for the source line identified by INDEX. */
-
-static unsigned long
-hpread_get_scope_start (index, objfile)
- sltpointer index;
- struct objfile *objfile;
-{
- union sltentry *sl_bufp;
-
- sl_bufp = hpread_get_slt (index, objfile);
- return sl_bufp->sspec.backptr.dnttp.index;
-}
-
-/* Get the source line number the the line identified by INDEX. */
-
-static unsigned long
-hpread_get_line (index, objfile)
- sltpointer index;
- struct objfile *objfile;
-{
- union sltentry *sl_bufp;
-
- sl_bufp = hpread_get_slt (index, objfile);
- return sl_bufp->snorm.line;
-}
-
-/* Find the code address associated with a given sltpointer */
-
-static CORE_ADDR
-hpread_get_location (index, objfile)
- sltpointer index;
- struct objfile *objfile;
-{
- union sltentry *sl_bufp;
- int i;
-
- /* code location of special sltentrys is determined from context */
- sl_bufp = hpread_get_slt (index, objfile);
-
- if (sl_bufp->snorm.sltdesc == SLT_END)
- {
- /* find previous normal sltentry and get address */
- for (i = 0; ((sl_bufp->snorm.sltdesc != SLT_NORMAL) &&
- (sl_bufp->snorm.sltdesc != SLT_NORMAL_OFFSET) &&
- (sl_bufp->snorm.sltdesc != SLT_EXIT)); i++)
- sl_bufp = hpread_get_slt (index - i, objfile);
- if (sl_bufp->snorm.sltdesc == SLT_NORMAL_OFFSET)
- return sl_bufp->snormoff.address;
- else
- return sl_bufp->snorm.address;
- }
-
- /* find next normal sltentry and get address */
- for (i = 0; ((sl_bufp->snorm.sltdesc != SLT_NORMAL) &&
- (sl_bufp->snorm.sltdesc != SLT_NORMAL_OFFSET) &&
- (sl_bufp->snorm.sltdesc != SLT_EXIT)); i++)
- sl_bufp = hpread_get_slt (index + i, objfile);
- if (sl_bufp->snorm.sltdesc == SLT_NORMAL_OFFSET)
- return sl_bufp->snormoff.address;
- else
- return sl_bufp->snorm.address;
-}
-
-
-/* Return 1 if an HP debug symbol of type KIND has a name associated with
- * it, else return 0. (This function is not currently used, but I'll
- * leave it here in case it proves useful later on. - RT).
- */
-
-int
-hpread_has_name (kind)
- enum dntt_entry_type kind;
-{
- switch (kind)
- {
- case DNTT_TYPE_SRCFILE:
- case DNTT_TYPE_MODULE:
- case DNTT_TYPE_FUNCTION:
- case DNTT_TYPE_DOC_FUNCTION:
- case DNTT_TYPE_ENTRY:
- case DNTT_TYPE_IMPORT:
- case DNTT_TYPE_LABEL:
- case DNTT_TYPE_FPARAM:
- case DNTT_TYPE_SVAR:
- case DNTT_TYPE_DVAR:
- case DNTT_TYPE_CONST:
- case DNTT_TYPE_TYPEDEF:
- case DNTT_TYPE_TAGDEF:
- case DNTT_TYPE_MEMENUM:
- case DNTT_TYPE_FIELD:
- case DNTT_TYPE_SA:
- case DNTT_TYPE_BLOCKDATA:
- case DNTT_TYPE_MEMFUNC:
- case DNTT_TYPE_DOC_MEMFUNC:
- return 1;
-
- case DNTT_TYPE_BEGIN:
- case DNTT_TYPE_END:
- case DNTT_TYPE_POINTER:
- case DNTT_TYPE_ENUM:
- case DNTT_TYPE_SET:
- case DNTT_TYPE_ARRAY:
- case DNTT_TYPE_STRUCT:
- case DNTT_TYPE_UNION:
- case DNTT_TYPE_VARIANT:
- case DNTT_TYPE_FILE:
- case DNTT_TYPE_FUNCTYPE:
- case DNTT_TYPE_SUBRANGE:
- case DNTT_TYPE_WITH:
- case DNTT_TYPE_COMMON:
- case DNTT_TYPE_COBSTRUCT:
- case DNTT_TYPE_XREF:
- case DNTT_TYPE_MACRO:
- case DNTT_TYPE_CLASS_SCOPE:
- case DNTT_TYPE_REFERENCE:
- case DNTT_TYPE_PTRMEM:
- case DNTT_TYPE_PTRMEMFUNC:
- case DNTT_TYPE_CLASS:
- case DNTT_TYPE_GENFIELD:
- case DNTT_TYPE_VFUNC:
- case DNTT_TYPE_MEMACCESS:
- case DNTT_TYPE_INHERITANCE:
- case DNTT_TYPE_FRIEND_CLASS:
- case DNTT_TYPE_FRIEND_FUNC:
- case DNTT_TYPE_MODIFIER:
- case DNTT_TYPE_OBJECT_ID:
- case DNTT_TYPE_TEMPLATE:
- case DNTT_TYPE_TEMPLATE_ARG:
- case DNTT_TYPE_FUNC_TEMPLATE:
- case DNTT_TYPE_LINK:
- /* DNTT_TYPE_DYN_ARRAY_DESC ? */
- /* DNTT_TYPE_DESC_SUBRANGE ? */
- /* DNTT_TYPE_BEGIN_EXT ? */
- /* DNTT_TYPE_INLN ? */
- /* DNTT_TYPE_INLN_LIST ? */
- /* DNTT_TYPE_ALIAS ? */
- default:
- return 0;
- }
-}
-
-/* Do the dirty work of reading in the full symbol from a partial symbol
- table. */
-
-static void
-hpread_psymtab_to_symtab_1 (pst)
- struct partial_symtab *pst;
-{
- struct cleanup *old_chain;
- int i;
-
- /* Get out quick if passed junk. */
- if (!pst)
- return;
-
- /* Complain if we've already read in this symbol table. */
- if (pst->readin)
- {
- fprintf (stderr, "Psymtab for %s already read in. Shouldn't happen.\n",
- pst->filename);
- return;
- }
-
- /* Read in all partial symtabs on which this one is dependent */
- for (i = 0; i < pst->number_of_dependencies; i++)
- if (!pst->dependencies[i]->readin)
- {
- /* Inform about additional files that need to be read in. */
- if (info_verbose)
- {
- fputs_filtered (" ", gdb_stdout);
- wrap_here ("");
- fputs_filtered ("and ", gdb_stdout);
- wrap_here ("");
- printf_filtered ("%s...", pst->dependencies[i]->filename);
- wrap_here (""); /* Flush output */
- gdb_flush (gdb_stdout);
- }
- hpread_psymtab_to_symtab_1 (pst->dependencies[i]);
- }
-
- /* If it's real... */
- if (LDSYMLEN (pst))
- {
- /* Init stuff necessary for reading in symbols */
- buildsym_init ();
- old_chain = make_cleanup (really_free_pendings, 0);
-
- pst->symtab =
- hpread_expand_symtab (pst->objfile, LDSYMOFF (pst), LDSYMLEN (pst),
- pst->textlow, pst->texthigh - pst->textlow,
- pst->section_offsets, pst->filename);
- sort_symtab_syms (pst->symtab);
-
- do_cleanups (old_chain);
- }
-
- pst->readin = 1;
-}
-
-/* Read in all of the symbols for a given psymtab for real.
- Be verbose about it if the user wants that. */
-
-void
-hpread_psymtab_to_symtab (pst)
- struct partial_symtab *pst;
-{
- /* Get out quick if given junk. */
- if (!pst)
- return;
-
- /* Sanity check. */
- if (pst->readin)
- {
- fprintf (stderr, "Psymtab for %s already read in. Shouldn't happen.\n",
- pst->filename);
- return;
- }
-
- /* elz: setting the flag to indicate that the code of the target
- was compiled using an HP compiler (aCC, cc)
- the processing_acc_compilation variable is declared in the
- file buildsym.h, the HP_COMPILED_TARGET is defined to be equal
- to 3 in the file tm_hppa.h*/
-
- processing_gcc_compilation = 0;
-
- if (LDSYMLEN (pst) || pst->number_of_dependencies)
- {
- /* Print the message now, before reading the string table,
- to avoid disconcerting pauses. */
- if (info_verbose)
- {
- printf_filtered ("Reading in symbols for %s...", pst->filename);
- gdb_flush (gdb_stdout);
- }
-
- hpread_psymtab_to_symtab_1 (pst);
-
- /* Match with global symbols. This only needs to be done once,
- after all of the symtabs and dependencies have been read in. */
- scan_file_globals (pst->objfile);
-
- /* Finish up the debug error message. */
- if (info_verbose)
- printf_filtered ("done.\n");
- }
-}
-
-/* Read in a defined section of a specific object file's symbols.
-
- DESC is the file descriptor for the file, positioned at the
- beginning of the symtab
- SYM_OFFSET is the offset within the file of
- the beginning of the symbols we want to read
- SYM_SIZE is the size of the symbol info to read in.
- TEXT_OFFSET is the beginning of the text segment we are reading symbols for
- TEXT_SIZE is the size of the text segment read in.
- SECTION_OFFSETS are the relocation offsets which get added to each symbol. */
-
-static struct symtab *
-hpread_expand_symtab (objfile, sym_offset, sym_size, text_offset, text_size,
- section_offsets, filename)
- struct objfile *objfile;
- int sym_offset;
- int sym_size;
- CORE_ADDR text_offset;
- int text_size;
- struct section_offsets *section_offsets;
- char *filename;
-{
- char *namestring;
- union dnttentry *dn_bufp;
- unsigned max_symnum;
- int at_module_boundary = 0;
- /* 1 => at end, -1 => at beginning */
-
- int sym_index = sym_offset / sizeof (struct dntt_type_block);
-
- current_objfile = objfile;
- subfile_stack = 0;
-
- last_source_file = 0;
-
- /* Demangling style -- if EDG style already set, don't change it,
- as HP style causes some problems with the KAI EDG compiler */
- if (current_demangling_style != edg_demangling) {
- /* Otherwise, ensure that we are using HP style demangling */
- set_demangling_style (HP_DEMANGLING_STYLE_STRING);
- }
-
- dn_bufp = hpread_get_lntt (sym_index, objfile);
- if (!((dn_bufp->dblock.kind == (unsigned char) DNTT_TYPE_SRCFILE) ||
- (dn_bufp->dblock.kind == (unsigned char) DNTT_TYPE_MODULE)))
- {
- start_symtab ("globals", NULL, 0);
- record_debugformat ("HP");
- }
-
- /* The psymtab builder (hp-psymtab-read.c) is the one that
- * determined the "sym_size" argument (i.e. how many DNTT symbols
- * are in this symtab), which we use to compute "max_symnum"
- * (point in DNTT to which we read).
- *
- * Perhaps this should be changed so that
- * process_one_debug_symbol() "knows" when
- * to stop reading (based on reading from the MODULE to the matching
- * END), and take out this reliance on a #-syms being passed in...
- * (I'm worried about the reliability of this number). But I'll
- * leave it as-is, for now. - RT
- *
- * The change above has been made. I've left the "for" loop control
- * in to prepare for backing this out again. -JB
- */
- max_symnum = sym_size / sizeof (struct dntt_type_block);
- /* No reason to multiply on pst side and divide on sym side... FIXME */
-
- /* Read in and process each debug symbol within the specified range.
- */
- for (symnum = 0;
- symnum < max_symnum;
- symnum++)
- {
- QUIT; /* Allow this to be interruptable */
- dn_bufp = hpread_get_lntt (sym_index + symnum, objfile);
-
- if (dn_bufp->dblock.extension)
- continue;
-
- /* Yow! We call SET_NAMESTRING on things without names! */
- SET_NAMESTRING (dn_bufp, &namestring, objfile);
-
- hpread_process_one_debug_symbol (dn_bufp, namestring, section_offsets,
- objfile, text_offset, text_size,
- filename, symnum + sym_index,
- &at_module_boundary
- );
-
- /* OLD COMMENTS: This routine is only called for psts. All psts
- * correspond to MODULES. If we ever do lazy-reading of globals
- * from the LNTT, then there will be a pst which ends when the
- * LNTT ends, and not at an END MODULE entry. Then we'll have
- * to re-visit this break.
-
- if( at_end_of_module )
- break;
-
- */
-
- /* We no longer break out of the loop when we reach the end of a
- module. The reason is that with CTTI, the compiler can generate
- function symbols (for template function instantiations) which are not
- in any module; typically they show up beyond a module's end, and
- before the next module's start. We include them in the current
- module. However, we still don't trust the MAX_SYMNUM value from
- the psymtab, so we break out if we enter a new module. */
-
- if (at_module_boundary == -1)
- break;
- }
-
- current_objfile = NULL;
- hp_som_som_object_present = 1; /* Indicate we've processed an HP SOM SOM file */
-
- return end_symtab (text_offset + text_size, objfile, 0);
-}
-
-
-
-
-/* Convert basic types from HP debug format into GDB internal format. */
-
-static int
-hpread_type_translate (typep)
- dnttpointer typep;
-{
- if (!typep.dntti.immediate) {
- error ("error in hpread_type_translate\n.");
- return;
- }
-
- switch (typep.dntti.type)
- {
- case HP_TYPE_BOOLEAN:
- case HP_TYPE_BOOLEAN_S300_COMPAT:
- case HP_TYPE_BOOLEAN_VAX_COMPAT:
- return FT_BOOLEAN;
- case HP_TYPE_CHAR: /* C signed char, C++ plain char */
-
- case HP_TYPE_WIDE_CHAR:
- return FT_CHAR;
- case HP_TYPE_INT:
- if (typep.dntti.bitlength <= 8)
- return FT_SIGNED_CHAR; /* C++ signed char */
- if (typep.dntti.bitlength <= 16)
- return FT_SHORT;
- if (typep.dntti.bitlength <= 32)
- return FT_INTEGER;
- return FT_LONG_LONG;
- case HP_TYPE_LONG:
- if (typep.dntti.bitlength <= 8)
- return FT_SIGNED_CHAR; /* C++ signed char. */
- return FT_LONG;
- case HP_TYPE_UNSIGNED_LONG:
- if (typep.dntti.bitlength <= 8)
- return FT_UNSIGNED_CHAR; /* C/C++ unsigned char */
- if (typep.dntti.bitlength <= 16)
- return FT_UNSIGNED_SHORT;
- if (typep.dntti.bitlength <= 32)
- return FT_UNSIGNED_LONG;
- return FT_UNSIGNED_LONG_LONG;
- case HP_TYPE_UNSIGNED_INT:
- if (typep.dntti.bitlength <= 8)
- return FT_UNSIGNED_CHAR;
- if (typep.dntti.bitlength <= 16)
- return FT_UNSIGNED_SHORT;
- if (typep.dntti.bitlength <= 32)
- return FT_UNSIGNED_INTEGER;
- return FT_UNSIGNED_LONG_LONG;
- case HP_TYPE_REAL:
- case HP_TYPE_REAL_3000:
- case HP_TYPE_DOUBLE:
- if (typep.dntti.bitlength == 64)
- return FT_DBL_PREC_FLOAT;
- if (typep.dntti.bitlength == 128)
- return FT_EXT_PREC_FLOAT;
- return FT_FLOAT;
- case HP_TYPE_COMPLEX:
- case HP_TYPE_COMPLEXS3000:
- if (typep.dntti.bitlength == 128)
- return FT_DBL_PREC_COMPLEX;
- if (typep.dntti.bitlength == 192)
- return FT_EXT_PREC_COMPLEX;
- return FT_COMPLEX;
- case HP_TYPE_VOID:
- return FT_VOID;
- case HP_TYPE_STRING200:
- case HP_TYPE_LONGSTRING200:
- case HP_TYPE_FTN_STRING_SPEC:
- case HP_TYPE_MOD_STRING_SPEC:
- case HP_TYPE_MOD_STRING_3000:
- case HP_TYPE_FTN_STRING_S300_COMPAT:
- case HP_TYPE_FTN_STRING_VAX_COMPAT:
- return FT_STRING;
- case HP_TYPE_TEMPLATE_ARG:
- return FT_TEMPLATE_ARG;
- case HP_TYPE_TEXT:
- case HP_TYPE_FLABEL:
- case HP_TYPE_PACKED_DECIMAL:
- case HP_TYPE_ANYPOINTER:
- case HP_TYPE_GLOBAL_ANYPOINTER:
- case HP_TYPE_LOCAL_ANYPOINTER:
- default:
- warning ("hpread_type_translate: unhandled type code.\n");
- return FT_VOID;
- }
-}
-
-/* Given a position in the DNTT, return a pointer to the
- * already-built "struct type" (if any), for the type defined
- * at that position.
- */
-
-static struct type **
-hpread_lookup_type (hp_type, objfile)
- dnttpointer hp_type;
- struct objfile *objfile;
-{
- unsigned old_len;
- int index = hp_type.dnttp.index;
- int size_changed = 0;
-
- /* The immediate flag indicates this doesn't actually point to
- * a type DNTT.
- */
- if (hp_type.dntti.immediate)
- return NULL;
-
- /* For each objfile, we maintain a "type vector".
- * This an array of "struct type *"'s with one pointer per DNTT index.
- * Given a DNTT index, we look in this array to see if we have
- * already processed this DNTT and if it is a type definition.
- * If so, then we can locate a pointer to the already-built
- * "struct type", and not build it again.
- *
- * The need for this arises because our DNTT-walking code wanders
- * around. In particular, it will encounter the same type multiple
- * times (once for each object of that type). We don't want to
- * built multiple "struct type"'s for the same thing.
- *
- * Having said this, I should point out that this type-vector is
- * an expensive way to keep track of this. If most DNTT entries are
- * 3 words, the type-vector will be 1/3 the size of the DNTT itself.
- * Alternative solutions:
- * - Keep a compressed or hashed table. Less memory, but more expensive
- * to search and update.
- * - (Suggested by JB): Overwrite the DNTT entry itself
- * with the info. Create a new type code "ALREADY_BUILT", and modify
- * the DNTT to have that type code and point to the already-built entry.
- * -RT
- */
-
- if (index < LNTT_SYMCOUNT (objfile))
- {
- if (index >= TYPE_VECTOR_LENGTH (objfile))
- {
- old_len = TYPE_VECTOR_LENGTH (objfile);
-
- /* See if we need to allocate a type-vector. */
- if (old_len == 0)
- {
- TYPE_VECTOR_LENGTH(objfile) = LNTT_SYMCOUNT (objfile) + GNTT_SYMCOUNT (objfile);
- TYPE_VECTOR (objfile) = (struct type **)
- xmmalloc (objfile->md, TYPE_VECTOR_LENGTH (objfile) * sizeof (struct type *));
- memset (&TYPE_VECTOR (objfile)[old_len], 0,
- (TYPE_VECTOR_LENGTH (objfile) - old_len) *
- sizeof (struct type *));
- }
-
- /* See if we need to resize type-vector. With my change to
- * initially allocate a correct-size type-vector, this code
- * should no longer trigger.
- */
- while (index >= TYPE_VECTOR_LENGTH (objfile)) {
- TYPE_VECTOR_LENGTH (objfile) *= 2;
- size_changed = 1;
- }
- if (size_changed) {
- TYPE_VECTOR (objfile) = (struct type **)
- xmrealloc (objfile -> md,
- (char *) TYPE_VECTOR (objfile),
- (TYPE_VECTOR_LENGTH (objfile) * sizeof (struct type *)));
-
- memset (&TYPE_VECTOR (objfile)[old_len], 0,
- (TYPE_VECTOR_LENGTH (objfile) - old_len) *
- sizeof (struct type *));
- }
-
- }
- return &TYPE_VECTOR (objfile)[index];
- }
- else
- return NULL;
-}
-
-/* Possibly allocate a GDB internal type so we can internalize HP_TYPE.
- Note we'll just return the address of a GDB internal type if we already
- have it lying around. */
-
-static struct type *
-hpread_alloc_type (hp_type, objfile)
- dnttpointer hp_type;
- struct objfile *objfile;
-{
- struct type **type_addr;
-
- type_addr = hpread_lookup_type (hp_type, objfile);
- if (*type_addr == 0) {
- *type_addr = alloc_type (objfile);
-
- /* A hack - if we really are a C++ class symbol, then this default
- * will get overriden later on.
- */
- TYPE_CPLUS_SPECIFIC (*type_addr)
- = (struct cplus_struct_type *) &cplus_struct_default;
- }
-
- return *type_addr;
-}
-
-/* Read a native enumerated type and return it in GDB internal form. */
-
-static struct type *
-hpread_read_enum_type (hp_type, dn_bufp, objfile)
- dnttpointer hp_type;
- union dnttentry *dn_bufp;
- struct objfile *objfile;
-{
- struct type *type;
- struct pending **symlist, *osyms, *syms;
- struct pending *local_list = NULL;
- int o_nsyms, nsyms = 0;
- dnttpointer mem;
- union dnttentry *memp;
- char *name;
- long n;
- struct symbol *sym;
-
- /* Allocate a GDB type. If we've already read in this enum type,
- * it'll return the already built GDB type, so stop here.
- * (Note: I added this check, to conform with what's done for
- * struct, union, class.
- * I assume this is OK. - RT)
- */
- type = hpread_alloc_type (hp_type, objfile);
- if (TYPE_CODE (type) == TYPE_CODE_ENUM)
- return type;
-
- /* HP C supports "sized enums", where a specifier such as "short" or
- "char" can be used to get enums of different sizes. So don't assume
- an enum is always 4 bytes long. pai/1997-08-21 */
- TYPE_LENGTH (type) = dn_bufp->denum.bitlength / 8;
-
- symlist = &file_symbols;
- osyms = *symlist;
- o_nsyms = osyms ? osyms->nsyms : 0;
-
- /* Get a name for each member and add it to our list of members.
- * The list of "mem" SOM records we are walking should all be
- * SOM type DNTT_TYPE_MEMENUM (not checked).
- */
- mem = dn_bufp->denum.firstmem;
- while (mem.word && mem.word != DNTTNIL)
- {
- memp = hpread_get_lntt (mem.dnttp.index, objfile);
-
- name = VT (objfile) + memp->dmember.name;
- sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
- sizeof (struct symbol));
- memset (sym, 0, sizeof (struct symbol));
- SYMBOL_NAME (sym) = obsavestring (name, strlen (name),
- &objfile->symbol_obstack);
- SYMBOL_CLASS (sym) = LOC_CONST;
- SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
- SYMBOL_VALUE (sym) = memp->dmember.value;
- add_symbol_to_list (sym, symlist);
- nsyms++;
- mem = memp->dmember.nextmem;
- }
-
- /* Now that we know more about the enum, fill in more info. */
- TYPE_CODE (type) = TYPE_CODE_ENUM;
- TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB;
- TYPE_NFIELDS (type) = nsyms;
- TYPE_FIELDS (type) = (struct field *)
- obstack_alloc (&objfile->type_obstack, sizeof (struct field) * nsyms);
-
- /* Find the symbols for the members and put them into the type.
- The symbols can be found in the symlist that we put them on
- to cause them to be defined. osyms contains the old value
- of that symlist; everything up to there was defined by us.
-
- Note that we preserve the order of the enum constants, so
- that in something like "enum {FOO, LAST_THING=FOO}" we print
- FOO, not LAST_THING. */
- for (syms = *symlist, n = 0; syms; syms = syms->next)
- {
- int j = 0;
- if (syms == osyms)
- j = o_nsyms;
- for (; j < syms->nsyms; j++, n++)
- {
- struct symbol *xsym = syms->symbol[j];
- SYMBOL_TYPE (xsym) = type;
- TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym);
- TYPE_FIELD_BITPOS (type, n) = SYMBOL_VALUE (xsym);
- TYPE_FIELD_BITSIZE (type, n) = 0;
- }
- if (syms == osyms)
- break;
- }
-
- return type;
-}
-
-/* Read and internalize a native function debug symbol. */
-
-static struct type *
-hpread_read_function_type (hp_type, dn_bufp, objfile, newblock)
- dnttpointer hp_type;
- union dnttentry *dn_bufp;
- struct objfile *objfile;
- int newblock;
-{
- struct type *type, *type1;
- struct pending *syms;
- struct pending *local_list = NULL;
- int nsyms = 0;
- dnttpointer param;
- union dnttentry *paramp;
- char *name;
- long n;
- struct symbol *sym;
- int record_args = 1;
-
- /* See if we've already read in this type. */
- type = hpread_alloc_type (hp_type, objfile);
- if (TYPE_CODE (type) == TYPE_CODE_FUNC)
- {
- record_args = 0; /* already read in, don't modify type */
- }
- else
- {
- /* Nope, so read it in and store it away. */
- if (dn_bufp->dblock.kind == DNTT_TYPE_FUNCTION ||
- dn_bufp->dblock.kind == DNTT_TYPE_MEMFUNC)
- type1 = lookup_function_type (hpread_type_lookup (dn_bufp->dfunc.retval,
- objfile));
- else if (dn_bufp->dblock.kind == DNTT_TYPE_FUNCTYPE)
- type1 = lookup_function_type (hpread_type_lookup (dn_bufp->dfunctype.retval,
- objfile));
- else /* expect DNTT_TYPE_FUNC_TEMPLATE */
- type1 = lookup_function_type (hpread_type_lookup (dn_bufp->dfunc_template.retval,
- objfile));
- memcpy ((char *) type, (char *) type1, sizeof (struct type));
-
- /* Mark it -- in the middle of processing */
- TYPE_FLAGS (type) |= TYPE_FLAG_INCOMPLETE;
- }
-
- /* Now examine each parameter noting its type, location, and a
- wealth of other information. */
- if (dn_bufp->dblock.kind == DNTT_TYPE_FUNCTION ||
- dn_bufp->dblock.kind == DNTT_TYPE_MEMFUNC)
- param = dn_bufp->dfunc.firstparam;
- else if (dn_bufp->dblock.kind == DNTT_TYPE_FUNCTYPE)
- param = dn_bufp->dfunctype.firstparam;
- else /* expect DNTT_TYPE_FUNC_TEMPLATE */
- param = dn_bufp->dfunc_template.firstparam;
- while (param.word && param.word != DNTTNIL)
- {
- paramp = hpread_get_lntt (param.dnttp.index, objfile);
- nsyms++;
- param = paramp->dfparam.nextparam;
-
- /* Get the name. */
- name = VT (objfile) + paramp->dfparam.name;
- sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
- sizeof (struct symbol));
- (void) memset (sym, 0, sizeof (struct symbol));
- SYMBOL_NAME (sym) = obsavestring (name, strlen (name),
- &objfile->symbol_obstack);
-
- /* Figure out where it lives. */
- if (paramp->dfparam.regparam)
- SYMBOL_CLASS (sym) = LOC_REGPARM;
- else if (paramp->dfparam.indirect)
- SYMBOL_CLASS (sym) = LOC_REF_ARG;
- else
- SYMBOL_CLASS (sym) = LOC_ARG;
- SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
- if (paramp->dfparam.copyparam)
- {
- SYMBOL_VALUE (sym) = paramp->dfparam.location ;
-#ifdef HPREAD_ADJUST_STACK_ADDRESS
- SYMBOL_VALUE (sym)
- += HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile));
-#endif
- /* This is likely a pass-by-invisible reference parameter,
- Hack on the symbol class to make GDB happy. */
- /* ??rehrauer: This appears to be broken w/r/t to passing
- C values of type float and struct. Perhaps this ought
- to be highighted as a special case, but for now, just
- allowing these to be LOC_ARGs seems to work fine.
- */
-#if 0
- SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
-#endif
- }
- else
- SYMBOL_VALUE (sym) = paramp->dfparam.location;
-
- /* Get its type. */
- SYMBOL_TYPE (sym) = hpread_type_lookup (paramp->dfparam.type, objfile);
- /* Add it to the symbol list. */
- /* Note 1 (RT) At the moment, add_symbol_to_list() is also being
- * called on FPARAM symbols from the process_one_debug_symbol()
- * level... so parameters are getting added twice! (this shows
- * up in the symbol dump you get from "maint print symbols ...").
- * Note 2 (RT) I took out the processing of FPARAM from the
- * process_one_debug_symbol() level, so at the moment parameters are only
- * being processed here. This seems to have no ill effect.
- */
- /* Note 3 (pai/1997-08-11) I removed the add_symbol_to_list() which put
- each fparam on the local_symbols list from here. Now we use the
- local_list to which fparams are added below, and set the param_symbols
- global to point to that at the end of this routine. */
- /* elz: I added this new list of symbols which is local to the function.
- this list is the one which is actually used to build the type for the
- function rather than the gloabal list pointed to by symlist.
- Using a global list to keep track of the parameters is wrong, because
- this function is called recursively if one parameter happend to be
- a function itself with more parameters in it. Adding parameters to the
- same global symbol list would not work!
- Actually it did work in case of cc compiled programs where you do
- not check the parameter lists of the arguments. */
- add_symbol_to_list (sym, &local_list);
-
- }
-
- /* If type was read in earlier, don't bother with modifying
- the type struct */
- if (!record_args)
- goto finish;
-
- /* Note how many parameters we found. */
- TYPE_NFIELDS (type) = nsyms;
- TYPE_FIELDS (type) = (struct field *)
- obstack_alloc (&objfile->type_obstack,
- sizeof (struct field) * nsyms);
-
- /* Find the symbols for the parameters and
- use them to fill parameter-type information into the function-type.
- The parameter symbols can be found in the local_list that we just put them on. */
- /* Note that we preserve the order of the parameters, so
- that in something like "enum {FOO, LAST_THING=FOO}" we print
- FOO, not LAST_THING. */
-
- /* get the parameters types from the local list not the global list
- so that the type can be correctly constructed for functions which
- have function as parameters */
- for (syms = local_list, n = 0; syms; syms = syms->next)
- {
- int j = 0;
- for (j=0; j < syms->nsyms; j++, n++)
- {
- struct symbol *xsym = syms->symbol[j];
- TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym);
- TYPE_FIELD_TYPE (type, n) = SYMBOL_TYPE (xsym);
- TYPE_FIELD_BITPOS (type, n) = n;
- TYPE_FIELD_BITSIZE (type, n) = 0;
- }
- }
- /* Mark it as having been processed */
- TYPE_FLAGS (type) &= ~(TYPE_FLAG_INCOMPLETE);
-
- /* Check whether we need to fix-up a class type with this function's type */
- if (fixup_class && (fixup_method == type))
- {
- fixup_class_method_type (fixup_class, fixup_method, objfile);
- fixup_class = NULL;
- fixup_method = NULL;
- }
-
- /* Set the param list of this level of the context stack
- to our local list. Do this only if this function was
- called for creating a new block, and not if it was called
- simply to get the function type. This prevents recursive
- invocations from trashing param_symbols. */
-finish:
- if (newblock)
- param_symbols = local_list;
-
- return type;
-}
-
-
-/* Read and internalize a native DOC function debug symbol. */
-/* This is almost identical to hpread_read_function_type(), except
- * for references to dn_bufp->ddocfunc instead of db_bufp->dfunc.
- * Since debug information for DOC functions is more likely to be
- * volatile, please leave it this way.
- */
-static struct type *
-hpread_read_doc_function_type (hp_type, dn_bufp, objfile, newblock)
- dnttpointer hp_type;
- union dnttentry *dn_bufp;
- struct objfile *objfile;
- int newblock;
-{
- struct type *type, *type1;
- struct pending *syms;
- struct pending *local_list = NULL;
- int nsyms = 0;
- dnttpointer param;
- union dnttentry *paramp;
- char *name;
- long n;
- struct symbol *sym;
- int record_args = 1;
-
- /* See if we've already read in this type. */
- type = hpread_alloc_type (hp_type, objfile);
- if (TYPE_CODE (type) == TYPE_CODE_FUNC)
- {
- record_args = 0; /* already read in, don't modify type */
- }
- else
- {
- /* Nope, so read it in and store it away. */
- if (dn_bufp->dblock.kind == DNTT_TYPE_DOC_FUNCTION ||
- dn_bufp->dblock.kind == DNTT_TYPE_DOC_MEMFUNC)
- type1 = lookup_function_type (hpread_type_lookup (dn_bufp->ddocfunc.retval,
- objfile));
- memcpy ((char *) type, (char *) type1, sizeof (struct type));
-
- /* Mark it -- in the middle of processing */
- TYPE_FLAGS (type) |= TYPE_FLAG_INCOMPLETE;
- }
-
- /* Now examine each parameter noting its type, location, and a
- wealth of other information. */
- if (dn_bufp->dblock.kind == DNTT_TYPE_DOC_FUNCTION ||
- dn_bufp->dblock.kind == DNTT_TYPE_DOC_MEMFUNC)
- param = dn_bufp->ddocfunc.firstparam;
- while (param.word && param.word != DNTTNIL)
- {
- paramp = hpread_get_lntt (param.dnttp.index, objfile);
- nsyms++;
- param = paramp->dfparam.nextparam;
-
- /* Get the name. */
- name = VT (objfile) + paramp->dfparam.name;
- sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
- sizeof (struct symbol));
- (void) memset (sym, 0, sizeof (struct symbol));
- SYMBOL_NAME (sym) = name;
-
- /* Figure out where it lives. */
- if (paramp->dfparam.regparam)
- SYMBOL_CLASS (sym) = LOC_REGPARM;
- else if (paramp->dfparam.indirect)
- SYMBOL_CLASS (sym) = LOC_REF_ARG;
- else
- SYMBOL_CLASS (sym) = LOC_ARG;
- SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
- if (paramp->dfparam.copyparam)
- {
- SYMBOL_VALUE (sym) = paramp->dfparam.location ;
-#ifdef HPREAD_ADJUST_STACK_ADDRESS
- SYMBOL_VALUE (sym)
- += HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile));
-#endif
- /* This is likely a pass-by-invisible reference parameter,
- Hack on the symbol class to make GDB happy. */
- /* ??rehrauer: This appears to be broken w/r/t to passing
- C values of type float and struct. Perhaps this ought
- to be highighted as a special case, but for now, just
- allowing these to be LOC_ARGs seems to work fine.
- */
-#if 0
- SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
-#endif
- }
- else
- SYMBOL_VALUE (sym) = paramp->dfparam.location;
-
- /* Get its type. */
- SYMBOL_TYPE (sym) = hpread_type_lookup (paramp->dfparam.type, objfile);
- /* Add it to the symbol list. */
- /* Note 1 (RT) At the moment, add_symbol_to_list() is also being
- * called on FPARAM symbols from the process_one_debug_symbol()
- * level... so parameters are getting added twice! (this shows
- * up in the symbol dump you get from "maint print symbols ...").
- * Note 2 (RT) I took out the processing of FPARAM from the
- * process_one_debug_symbol() level, so at the moment parameters are only
- * being processed here. This seems to have no ill effect.
- */
- /* Note 3 (pai/1997-08-11) I removed the add_symbol_to_list() which put
- each fparam on the local_symbols list from here. Now we use the
- local_list to which fparams are added below, and set the param_symbols
- global to point to that at the end of this routine. */
-
- /* elz: I added this new list of symbols which is local to the function.
- this list is the one which is actually used to build the type for the
- function rather than the gloabal list pointed to by symlist.
- Using a global list to keep track of the parameters is wrong, because
- this function is called recursively if one parameter happend to be
- a function itself with more parameters in it. Adding parameters to the
- same global symbol list would not work!
- Actually it did work in case of cc compiled programs where you do not check the
- parameter lists of the arguments. */
- add_symbol_to_list (sym, &local_list);
- }
-
- /* If type was read in earlier, don't bother with modifying
- the type struct */
- if (!record_args)
- goto finish;
-
- /* Note how many parameters we found. */
- TYPE_NFIELDS (type) = nsyms;
- TYPE_FIELDS (type) = (struct field *)
- obstack_alloc (&objfile->type_obstack,
- sizeof (struct field) * nsyms);
-
- /* Find the symbols for the parameters and
- use them to fill parameter-type information into the function-type.
- The parameter symbols can be found in the local_list that we just put them on. */
- /* Note that we preserve the order of the parameters, so
- that in something like "enum {FOO, LAST_THING=FOO}" we print
- FOO, not LAST_THING. */
-
- /* get the parameters types from the local list not the global list
- so that the type can be correctly constructed for functions which
- have function as parameters
- */
- for (syms = local_list, n = 0; syms; syms = syms->next)
- {
- int j = 0;
- for (j = 0; j < syms->nsyms; j++, n++)
- {
- struct symbol *xsym = syms->symbol[j];
- TYPE_FIELD_NAME (type, n) = SYMBOL_NAME (xsym);
- TYPE_FIELD_TYPE (type, n) = SYMBOL_TYPE (xsym);
- TYPE_FIELD_BITPOS (type, n) = n;
- TYPE_FIELD_BITSIZE (type, n) = 0;
- }
- }
-
- /* Mark it as having been processed */
- TYPE_FLAGS (type) &= ~(TYPE_FLAG_INCOMPLETE);
-
- /* Check whether we need to fix-up a class type with this function's type */
- if (fixup_class && (fixup_method == type))
- {
- fixup_class_method_type (fixup_class, fixup_method, objfile);
- fixup_class = NULL;
- fixup_method = NULL;
- }
-
- /* Set the param list of this level of the context stack
- to our local list. Do this only if this function was
- called for creating a new block, and not if it was called
- simply to get the function type. This prevents recursive
- invocations from trashing param_symbols. */
-finish:
- if (newblock)
- param_symbols = local_list;
-
- return type;
-}
-
-
-
-/* A file-level variable which keeps track of the current-template
- * being processed. Set in hpread_read_struct_type() while processing
- * a template type. Referred to in hpread_get_nth_templ_arg().
- * Yes, this is a kludge, but it arises from the kludge that already
- * exists in symtab.h, namely the fact that they encode
- * "template argument n" with fundamental type FT_TEMPLATE_ARG and
- * bitlength n. This means that deep in processing fundamental types
- * I need to ask the question "what template am I in the middle of?".
- * The alternative to stuffing a global would be to pass an argument
- * down the chain of calls just for this purpose.
- *
- * There may be problems handling nested templates... tough.
- */
-static struct type * current_template = NULL;
-
-/* Read in and internalize a structure definition.
- * This same routine is called for struct, union, and class types.
- * Also called for templates, since they build a very similar
- * type entry as for class types.
- */
-
-static struct type *
-hpread_read_struct_type (hp_type, dn_bufp, objfile)
- dnttpointer hp_type;
- union dnttentry *dn_bufp;
- struct objfile *objfile;
-{
- /* The data members get linked together into a list of struct nextfield's */
- struct nextfield
- {
- struct nextfield *next;
- struct field field;
- unsigned char attributes; /* store visibility and virtuality info */
-# define ATTR_VIRTUAL 1
-# define ATTR_PRIVATE 2
-# define ATTR_PROTECT 3
- };
-
-
- /* The methods get linked together into a list of struct next_fn_field's */
- struct next_fn_field
- {
- struct next_fn_field *next;
- struct fn_fieldlist field;
- struct fn_field fn_field;
- int num_fn_fields;
- };
-
- /* The template args get linked together into a list of struct next_template's */
- struct next_template
- {
- struct next_template *next;
- struct template_arg arg;
- };
-
- /* The template instantiations get linked together into a list of these... */
- struct next_instantiation
- {
- struct next_instantiation * next;
- struct type * t;
- };
-
- struct type *type;
- struct type *baseclass;
- struct type *memtype;
- struct nextfield *list = 0, *tmp_list = 0;
- struct next_fn_field *fn_list = 0;
- struct next_fn_field *fn_p;
- struct next_template *t_new, *t_list = 0;
- struct nextfield *new;
- struct next_fn_field *fn_new;
- struct next_instantiation *i_new, *i_list = 0;
- int n, nfields = 0, n_fn_fields = 0, n_fn_fields_total = 0;
- int n_base_classes = 0, n_templ_args = 0;
- int ninstantiations = 0;
- dnttpointer field, fn_field, parent;
- union dnttentry *fieldp, *fn_fieldp, *parentp;
- int i;
- int static_member = 0;
- int const_member = 0;
- int volatile_member = 0;
- unsigned long vtbl_offset;
- int need_bitvectors = 0;
- char * method_name = NULL;
- char * method_alias = NULL;
-
-
- /* Is it something we've already dealt with? */
- type = hpread_alloc_type (hp_type, objfile);
- if ((TYPE_CODE (type) == TYPE_CODE_STRUCT) ||
- (TYPE_CODE (type) == TYPE_CODE_UNION) ||
- (TYPE_CODE (type) == TYPE_CODE_CLASS) ||
- (TYPE_CODE (type) == TYPE_CODE_TEMPLATE))
- return type;
-
- /* Get the basic type correct. */
- if (dn_bufp->dblock.kind == DNTT_TYPE_STRUCT)
- {
- TYPE_CODE (type) = TYPE_CODE_STRUCT;
- TYPE_LENGTH (type) = dn_bufp->dstruct.bitlength / 8;
- }
- else if (dn_bufp->dblock.kind == DNTT_TYPE_UNION)
- {
- TYPE_CODE (type) = TYPE_CODE_UNION;
- TYPE_LENGTH (type) = dn_bufp->dunion.bitlength / 8;
- }
- else if (dn_bufp->dblock.kind == DNTT_TYPE_CLASS)
- {
- TYPE_CODE (type) = TYPE_CODE_CLASS;
- TYPE_LENGTH (type) = dn_bufp->dclass.bitlength / 8;
-
- /* Overrides the TYPE_CPLUS_SPECIFIC(type) with allocated memory
- * rather than &cplus_struct_default.
- */
- allocate_cplus_struct_type(type);
-
- /* Fill in declared-type.
- * (The C++ compiler will emit TYPE_CODE_CLASS
- * for all 3 of "class", "struct"
- * "union", and we have to look at the "class_decl" field if we
- * want to know how it was really declared)
- */
- /* (0==class, 1==union, 2==struct) */
- TYPE_DECLARED_TYPE(type) = dn_bufp->dclass.class_decl;
- }
- else if (dn_bufp->dblock.kind == DNTT_TYPE_TEMPLATE)
- {
- /* Get the basic type correct. */
- TYPE_CODE (type) = TYPE_CODE_TEMPLATE;
- allocate_cplus_struct_type(type);
- TYPE_DECLARED_TYPE(type) = DECLARED_TYPE_TEMPLATE;
- }
- else
- return type;
-
-
- TYPE_FLAGS (type) &= ~TYPE_FLAG_STUB;
-
- /* For classes, read the parent list.
- * Question (RT): Do we need to do this for templates also?
- */
- if (dn_bufp->dblock.kind == DNTT_TYPE_CLASS) {
-
- /* First read the parent-list (classes from which we derive fields) */
- parent = dn_bufp->dclass.parentlist;
- while (parent.word && parent.word != DNTTNIL) {
- parentp = hpread_get_lntt (parent.dnttp.index, objfile);
-
- /* "parentp" should point to a DNTT_TYPE_INHERITANCE record */
-
- /* Get space to record the next field/data-member. */
- new = (struct nextfield *) alloca (sizeof (struct nextfield));
- new->next = list;
- list = new;
-
- FIELD_BITSIZE (list->field) = 0;
-
- /* The "classname" field is actually a DNTT pointer to the base class */
- baseclass = hpread_type_lookup (parentp->dinheritance.classname,
- objfile);
- FIELD_TYPE (list->field) = baseclass;
-
- list->field.name = type_name_no_tag(FIELD_TYPE (list->field));
-
- list->attributes = 0;
-
- /* Check for virtuality of base, and set the
- * offset of the base subobject within the object.
- * (Offset set to -1 for virtual bases (for now).)
- */
- if (parentp->dinheritance.Virtual)
- {
- B_SET(&(list->attributes), ATTR_VIRTUAL);
- parentp->dinheritance.offset = -1;
- }
- else
- FIELD_BITPOS (list->field) = parentp->dinheritance.offset;
-
- /* Check visibility */
- switch (parentp->dinheritance.visibility)
- {
- case 1:
- B_SET(&(list->attributes), ATTR_PROTECT);
- break;
- case 2:
- B_SET(&(list->attributes), ATTR_PRIVATE);
- break;
- }
-
- n_base_classes++;
- nfields++;
-
- parent = parentp->dinheritance.next;
- }
- }
-
- /* For templates, read the template argument list.
- * This must be done before processing the member list, because
- * the member list may refer back to this. E.g.:
- * template <class T1, class T2> class q2 {
- * public:
- * T1 a;
- * T2 b;
- * };
- * We need to read the argument list "T1", "T2" first.
- */
- if (dn_bufp->dblock.kind == DNTT_TYPE_TEMPLATE) {
- /* Kludge alert: This stuffs a global "current_template" which
- * is referred to by hpread_get_nth_templ_arg(). The global
- * is cleared at the end of this routine.
- */
- current_template = type;
-
- /* Read in the argument list */
- field = dn_bufp->dtemplate.arglist;
- while (field.word && field.word != DNTTNIL) {
- /* Get this template argument*/
- fieldp = hpread_get_lntt (field.dnttp.index, objfile);
- if (fieldp->dblock.kind != DNTT_TYPE_TEMPLATE_ARG)
- {
- warning ("Invalid debug info: Template argument entry is of wrong kind");
- break;
- }
- /* Bump the count */
- n_templ_args++;
- /* Allocate and fill in a struct next_template */
- t_new = (struct next_template *) alloca (sizeof (struct next_template));
- t_new->next = t_list;
- t_list = t_new;
- t_list->arg.name = VT (objfile) + fieldp->dtempl_arg.name;
- t_list->arg.type = hpread_read_templ_arg_type(field, fieldp,
- objfile, t_list->arg.name);
- /* Walk to the next template argument */
- field = fieldp->dtempl_arg.nextarg;
- }
- }
-
- TYPE_NTEMPLATE_ARGS(type) = n_templ_args;
-
- if (n_templ_args > 0)
- TYPE_TEMPLATE_ARGS(type) = (struct template_arg *)
- obstack_alloc (&objfile->type_obstack, sizeof (struct template_arg) * n_templ_args);
- for (n = n_templ_args; t_list; t_list = t_list->next)
- {
- n -= 1;
- TYPE_TEMPLATE_ARG(type, n) = t_list->arg;
- }
-
- /* Next read in and internalize all the fields/members. */
- if (dn_bufp->dblock.kind == DNTT_TYPE_STRUCT)
- field = dn_bufp->dstruct.firstfield;
- else if (dn_bufp->dblock.kind == DNTT_TYPE_UNION)
- field = dn_bufp->dunion.firstfield;
- else if (dn_bufp->dblock.kind == DNTT_TYPE_CLASS)
- field = dn_bufp->dclass.memberlist;
- else if (dn_bufp->dblock.kind == DNTT_TYPE_TEMPLATE)
- field = dn_bufp->dtemplate.memberlist;
- else
- field.word = DNTTNIL;
-
- while (field.word && field.word != DNTTNIL)
- {
- fieldp = hpread_get_lntt (field.dnttp.index, objfile);
-
- /* At this point "fieldp" may point to either a DNTT_TYPE_FIELD
- * or a DNTT_TYPE_GENFIELD record.
- */
- vtbl_offset = 0;
- static_member = 0;
- const_member = 0;
- volatile_member = 0;
-
- if (fieldp->dblock.kind == DNTT_TYPE_GENFIELD) {
-
- /* The type will be GENFIELD if the field is a method or
- * a static member (or some other cases -- see below)
- */
-
- /* Follow a link to get to the record for the field. */
- fn_field = fieldp->dgenfield.field;
- fn_fieldp = hpread_get_lntt(fn_field.dnttp.index, objfile);
-
- /* Virtual funcs are indicated by a VFUNC which points to the
- * real entry
- */
- if (fn_fieldp->dblock.kind == DNTT_TYPE_VFUNC) {
- vtbl_offset = fn_fieldp->dvfunc.vtbl_offset;
- fn_field = fn_fieldp->dvfunc.funcptr;
- fn_fieldp = hpread_get_lntt(fn_field.dnttp.index, objfile);
- }
-
- /* A function's entry may be preceded by a modifier which
- * labels it static/constant/volatile.
- */
- if (fn_fieldp->dblock.kind == DNTT_TYPE_MODIFIER) {
- static_member = fn_fieldp->dmodifier.m_static;
- const_member = fn_fieldp->dmodifier.m_const;
- volatile_member = fn_fieldp->dmodifier.m_volatile;
- fn_field = fn_fieldp->dmodifier.type;
- fn_fieldp = hpread_get_lntt(fn_field.dnttp.index, objfile);
- }
-
- /* Check whether we have a method */
- if ((fn_fieldp->dblock.kind == DNTT_TYPE_MEMFUNC) ||
- (fn_fieldp->dblock.kind == DNTT_TYPE_FUNCTION) ||
- (fn_fieldp->dblock.kind == DNTT_TYPE_DOC_MEMFUNC) ||
- (fn_fieldp->dblock.kind == DNTT_TYPE_DOC_FUNCTION)) {
- /* Method found */
-
- short ix = 0;
-
- /* Look up function type of method */
- memtype = hpread_type_lookup (fn_field, objfile);
-
- /* Methods can be seen before classes in the SOM records.
- If we are processing this class because it's a parameter of a
- method, at this point the method's type is actually incomplete;
- we'll have to fix it up later; mark the class for this. */
-
- if (TYPE_INCOMPLETE (memtype))
- {
- TYPE_FLAGS (type) |= TYPE_FLAG_INCOMPLETE;
- if (fixup_class)
- warning ("Two classes to fix up for method?? Type information may be incorrect for some classes.");
- if (fixup_method)
- warning ("Two methods to be fixed up at once?? Type information may be incorrect for some classes.");
- fixup_class = type; /* remember this class has to be fixed up */
- fixup_method = memtype; /* remember the method type to be used in fixup */
- }
-
- /* HP aCC generates operator names without the "operator" keyword, and
- generates null strings as names for operators that are
- user-defined type conversions to basic types (e.g. operator int ()).
- So try to reconstruct name as best as possible. */
-
- method_name = (char *) (VT (objfile) + fn_fieldp->dfunc.name);
- method_alias = (char *) (VT (objfile) + fn_fieldp->dfunc.alias);
-
- if (!method_name || /* no name */
- !*method_name || /* or null name */
- cplus_mangle_opname (method_name, DMGL_ANSI)) /* or name is an operator like "<" */
- {
- char * tmp_name = cplus_demangle (method_alias, DMGL_ANSI);
- char * op_string = strstr (tmp_name, "operator");
- method_name = xmalloc (strlen (op_string) + 1); /* don't overwrite VT! */
- strcpy (method_name, op_string);
- }
-
- /* First check if a method of the same name has already been seen. */
- fn_p = fn_list;
- while (fn_p)
- {
- if (STREQ (fn_p->field.name, method_name))
- break;
- fn_p = fn_p->next;
- }
-
- /* If no such method was found, allocate a new entry in the list */
- if (!fn_p)
- {
- /* Get space to record this member function */
- /* Note: alloca used; this will disappear on routine exit */
- fn_new = (struct next_fn_field *) alloca (sizeof (struct next_fn_field));
- fn_new->next = fn_list;
- fn_list = fn_new;
-
- /* Fill in the fields of the struct nextfield */
-
- /* Record the (unmangled) method name */
- fn_list->field.name = method_name;
- /* Initial space for overloaded methods */
- /* Note: xmalloc is used; this will persist after this routine exits */
- fn_list->field.fn_fields = (struct fn_field *) xmalloc (5 * (sizeof (struct fn_field)));
- fn_list->field.length = 1; /* Init # of overloaded instances */
- fn_list->num_fn_fields = 5; /* # of entries for which space allocated */
- fn_p = fn_list;
- ix = 0; /* array index for fn_field */
- /* Bump the total count of the distinctly named methods */
- n_fn_fields++;
- }
- else /* Another overloaded instance of an already seen method name */
- {
- if (++(fn_p->field.length) > fn_p->num_fn_fields)
- {
- /* Increase space allocated for overloaded instances */
- fn_p->field.fn_fields
- = (struct fn_field *) xrealloc (fn_p->field.fn_fields,
- (fn_p->num_fn_fields + 5) * sizeof (struct fn_field));
- fn_p->num_fn_fields += 5;
- }
- ix = fn_p->field.length -1; /* array index for fn_field */
- }
-
- /* "physname" is intended to be the name of this overloaded instance. */
- if ((fn_fieldp->dfunc.language == HP_LANGUAGE_CPLUSPLUS) &&
- method_alias &&
- *method_alias) /* not a null string */
- fn_p->field.fn_fields[ix].physname = method_alias;
- else
- fn_p->field.fn_fields[ix].physname = method_name;
- /* What's expected here is the function type */
- /* But mark it as NULL if the method was incompletely processed
- We'll fix this up later when the method is fully processed */
- if (TYPE_INCOMPLETE (memtype))
- {
- fn_p->field.fn_fields[ix].type = NULL;
- fn_p->field.fn_fields[ix].args = NULL;
- }
- else
- {
- fn_p->field.fn_fields[ix].type = memtype;
-
- /* The argument list */
- fn_p->field.fn_fields[ix].type->type_specific.arg_types =
- (struct type **) obstack_alloc(&objfile->type_obstack,
- sizeof(struct type *) * (memtype->nfields + 1));
- for (i = 0; i < memtype->nfields; i++)
- fn_p->field.fn_fields[ix].type->type_specific.arg_types[i] = memtype->fields[i].type;
- /* void termination */
- fn_p->field.fn_fields[ix].type->type_specific.arg_types[memtype->nfields] = builtin_type_void;
-
- /* pai: It's not clear why this args field has to be set. Perhaps
- * it should be eliminated entirely. */
- fn_p->field.fn_fields[ix].args =
- (struct type **) obstack_alloc(&objfile->type_obstack,
- sizeof(struct type *) * (memtype->nfields + 1));
- for (i = 0; i < memtype->nfields; i++)
- fn_p->field.fn_fields[ix].args[i] = memtype->fields[i].type;
- /* null-terminated, unlike arg_types above e*/
- fn_p->field.fn_fields[ix].args[memtype->nfields] = NULL;
- }
- /* For virtual functions, fill in the voffset field with the
- * virtual table offset. (This is just copied over from the
- * SOM record; not sure if it is what GDB expects here...).
- * But if the function is a static method, set it to 1.
- *
- * Note that we have to add 1 because 1 indicates a static
- * method, and 0 indicates a non-static, non-virtual method */
-
- if (static_member)
- fn_p->field.fn_fields[ix].voffset = VOFFSET_STATIC;
- else
- fn_p->field.fn_fields[ix].voffset = vtbl_offset ? vtbl_offset + 1 : 0;
-
- /* Also fill in the fcontext field with the current
- * class. (The latter isn't quite right: should be the baseclass
- * that defines the virtual function... Note we do have
- * a variable "baseclass" that we could stuff into the fcontext
- * field, but "baseclass" isn't necessarily right either,
- * since the virtual function could have been defined more
- * than one level up).
- */
-
- if (vtbl_offset != 0)
- fn_p->field.fn_fields[ix].fcontext = type;
- else
- fn_p->field.fn_fields[ix].fcontext = NULL;
-
- /* Other random fields pertaining to this method */
- fn_p->field.fn_fields[ix].is_const = const_member;
- fn_p->field.fn_fields[ix].is_volatile = volatile_member; /* ?? */
- switch (fieldp->dgenfield.visibility) {
- case 1:
- fn_p->field.fn_fields[ix].is_protected = 1;
- fn_p->field.fn_fields[ix].is_private = 0;
- break;
- case 2:
- fn_p->field.fn_fields[ix].is_protected = 0;
- fn_p->field.fn_fields[ix].is_private = 1;
- break;
- default: /* public */
- fn_p->field.fn_fields[ix].is_protected = 0;
- fn_p->field.fn_fields[ix].is_private = 0;
- }
- fn_p->field.fn_fields[ix].is_stub = 0;
-
- /* HP aCC emits both MEMFUNC and FUNCTION entries for a method;
- if the class points to the FUNCTION, there is usually separate
- code for the method; but if we have a MEMFUNC, the method has
- been inlined (and there is usually no FUNCTION entry)
- FIXME Not sure if this test is accurate. pai/1997-08-22 */
- if ((fn_fieldp->dblock.kind == DNTT_TYPE_MEMFUNC) ||
- (fn_fieldp->dblock.kind == DNTT_TYPE_DOC_MEMFUNC))
- fn_p->field.fn_fields[ix].is_inlined = 1;
- else
- fn_p->field.fn_fields[ix].is_inlined = 0;
-
- fn_p->field.fn_fields[ix].dummy = 0;
-
- /* Bump the total count of the member functions */
- n_fn_fields_total++;
-
- } else if (fn_fieldp->dblock.kind == DNTT_TYPE_SVAR) {
- /* This case is for static data members of classes */
-
- /* pai:: FIXME -- check that "staticmem" bit is set */
-
- /* Get space to record this static member */
- new = (struct nextfield *) alloca (sizeof (struct nextfield));
- new->next = list;
- list = new;
-
- list->field.name = VT (objfile) + fn_fieldp->dsvar.name;
- FIELD_BITSIZE (list->field) = -1; /* indicates static member */
- SET_FIELD_PHYSNAME (list->field, 0); /* initialize to empty */
- memtype = hpread_type_lookup (fn_fieldp->dsvar.type, objfile);
-
- FIELD_TYPE (list->field) = memtype;
- list->attributes = 0;
- switch (fieldp->dgenfield.visibility) {
- case 1:
- B_SET(&(list->attributes), ATTR_PROTECT);
- break;
- case 2:
- B_SET(&(list->attributes), ATTR_PRIVATE);
- break;
- }
- nfields++;
- }
-
- else if (fn_fieldp->dblock.kind == DNTT_TYPE_FIELD)
- {
- /* FIELDs follow GENFIELDs for fields of anonymous unions.
- Code below is replicated from the case for FIELDs further
- below, except that fieldp is replaced by fn_fieldp */
- if (!fn_fieldp->dfield.a_union)
- warning ("Debug info inconsistent: FIELD of anonymous union doesn't have a_union bit set");
- /* Get space to record the next field/data-member. */
- new = (struct nextfield *) alloca (sizeof (struct nextfield));
- new->next = list;
- list = new;
-
- list->field.name = VT (objfile) + fn_fieldp->dfield.name;
- FIELD_BITPOS (list->field) = fn_fieldp->dfield.bitoffset;
- if (fn_fieldp->dfield.bitlength % 8)
- list->field.bitsize = fn_fieldp->dfield.bitlength;
- else
- list->field.bitsize = 0;
-
- memtype = hpread_type_lookup (fn_fieldp->dfield.type, objfile);
- list->field.type = memtype;
- list->attributes = 0;
- switch (fn_fieldp->dfield.visibility) {
- case 1:
- B_SET(&(list->attributes), ATTR_PROTECT);
- break;
- case 2:
- B_SET(&(list->attributes), ATTR_PRIVATE);
- break;
- }
- nfields++;
- }
- else if (fn_fieldp->dblock.kind == DNTT_TYPE_SVAR)
- {
- /* Field of anonymous union; union is not inside a class */
- if (!fn_fieldp->dsvar.a_union)
- warning ("Debug info inconsistent: SVAR field in anonymous union doesn't have a_union bit set");
- /* Get space to record the next field/data-member. */
- new = (struct nextfield *) alloca (sizeof (struct nextfield));
- new->next = list;
- list = new;
-
- list->field.name = VT (objfile) + fn_fieldp->dsvar.name;
- FIELD_BITPOS (list->field) = 0; /* FIXME is this always true? */
- FIELD_BITSIZE (list->field) = 0; /* use length from type */
- memtype = hpread_type_lookup (fn_fieldp->dsvar.type, objfile);
- list->field.type = memtype;
- list->attributes = 0;
- /* No info to set visibility -- always public */
- nfields++;
- }
- else if (fn_fieldp->dblock.kind == DNTT_TYPE_DVAR)
- {
- /* Field of anonymous union; union is not inside a class */
- if (!fn_fieldp->ddvar.a_union)
- warning ("Debug info inconsistent: DVAR field in anonymous union doesn't have a_union bit set");
- /* Get space to record the next field/data-member. */
- new = (struct nextfield *) alloca (sizeof (struct nextfield));
- new->next = list;
- list = new;
-
- list->field.name = VT (objfile) + fn_fieldp->ddvar.name;
- FIELD_BITPOS (list->field) = 0; /* FIXME is this always true? */
- FIELD_BITSIZE (list->field) = 0; /* use length from type */
- memtype = hpread_type_lookup (fn_fieldp->ddvar.type, objfile);
- list->field.type = memtype;
- list->attributes = 0;
- /* No info to set visibility -- always public */
- nfields++;
- }
- else { /* Not a method, nor a static data member, nor an anon union field */
-
- /* This case is for miscellaneous type entries (local enums,
- local function templates, etc.) that can be present
- inside a class. */
-
- /* Enums -- will be handled by other code that takes care
- of DNTT_TYPE_ENUM; here we see only DNTT_TYPE_MEMENUM so
- it's not clear we could have handled them here at all. */
- /* FUNC_TEMPLATE: is handled by other code (??). */
- /* MEMACCESS: modified access for inherited member. Not
- sure what to do with this, ignoriing it at present. */
-
- /* What other entries can appear following a GENFIELD which
- we do not handle above? (MODIFIER, VFUNC handled above.) */
-
- if ((fn_fieldp->dblock.kind != DNTT_TYPE_MEMACCESS) &&
- (fn_fieldp->dblock.kind != DNTT_TYPE_MEMENUM) &&
- (fn_fieldp->dblock.kind != DNTT_TYPE_FUNC_TEMPLATE))
- warning ("Internal error: Unexpected debug record kind %d found following DNTT_GENFIELD",
- fn_fieldp->dblock.kind);
- }
- /* walk to the next FIELD or GENFIELD */
- field = fieldp->dgenfield.nextfield;
-
- }
- else if (fieldp->dblock.kind == DNTT_TYPE_FIELD) {
-
- /* Ordinary structure/union/class field */
- struct type * anon_union_type;
-
- /* Get space to record the next field/data-member. */
- new = (struct nextfield *) alloca (sizeof (struct nextfield));
- new->next = list;
- list = new;
-
- list->field.name = VT (objfile) + fieldp->dfield.name;
-
-
- /* A FIELD by itself (without a GENFIELD) can also be a static member */
- if (fieldp->dfield.staticmem)
- {
- FIELD_BITPOS (list->field) = -1;
- FIELD_BITSIZE (list->field) = 0;
- }
- else /* Non-static data member */
- {
- FIELD_BITPOS (list->field) = fieldp->dfield.bitoffset;
- if (fieldp->dfield.bitlength % 8)
- FIELD_BITSIZE (list->field) = fieldp->dfield.bitlength;
- else
- FIELD_BITSIZE (list->field) = 0;
- }
-
- memtype = hpread_type_lookup (fieldp->dfield.type, objfile);
- FIELD_TYPE (list->field) = memtype;
- list->attributes = 0;
- switch (fieldp->dfield.visibility) {
- case 1:
- B_SET(&(list->attributes), ATTR_PROTECT);
- break;
- case 2:
- B_SET(&(list->attributes), ATTR_PRIVATE);
- break;
- }
- nfields++;
-
-
- /* Note 1: First, we have to check if the current field is an anonymous
- union. If it is, then *its* fields are threaded along in the
- nextfield chain. :-( This was supposed to help debuggers, but is
- really just a nuisance since we deal with anonymous unions anyway by
- checking that the name is null. So anyway, we skip over the fields
- of the anonymous union. pai/1997-08-22 */
- /* Note 2: In addition, the bitoffsets for the fields of the anon union
- are relative to the enclosing struct, *NOT* relative to the anon
- union! This is an even bigger nuisance -- we have to go in and munge
- the anon union's type information appropriately. pai/1997-08-22 */
-
- /* Both tasks noted above are done by a separate function. This takes us
- to the next FIELD or GENFIELD, skipping anon unions, and recursively
- processing intermediate types. */
- field = hpread_get_next_skip_over_anon_unions (1, field, &fieldp, objfile);
-
- } else {
- /* neither field nor genfield ?? is this possible?? */
- /* pai:: FIXME walk to the next -- how? */
- warning ("Internal error: unexpected DNTT kind %d encountered as field of struct");
- warning ("Skipping remaining fields of struct");
- break; /* get out of loop of fields */
- }
- }
-
- /* If it's a template, read in the instantiation list */
- if (dn_bufp->dblock.kind == DNTT_TYPE_TEMPLATE) {
- ninstantiations = 0;
- field = dn_bufp->dtemplate.expansions;
- while (field.word && field.word != DNTTNIL) {
- fieldp = hpread_get_lntt (field.dnttp.index, objfile);
-
- /* The expansions or nextexp should point to a tagdef */
- if (fieldp->dblock.kind != DNTT_TYPE_TAGDEF)
- break;
-
- i_new = (struct next_instantiation *) alloca (sizeof (struct next_instantiation));
- i_new->next = i_list;
- i_list = i_new;
- i_list->t = hpread_type_lookup (field, objfile);
- ninstantiations++;
-
- /* And the "type" field of that should point to a class */
- field = fieldp->dtag.type;
- fieldp = hpread_get_lntt (field.dnttp.index, objfile);
- if (fieldp->dblock.kind != DNTT_TYPE_CLASS)
- break;
-
- /* Get the next expansion */
- field = fieldp->dclass.nextexp;
- }
- }
- TYPE_NINSTANTIATIONS(type) = ninstantiations;
- if (ninstantiations > 0)
- TYPE_INSTANTIATIONS(type) = (struct type **)
- obstack_alloc (&objfile->type_obstack, sizeof (struct type *) * ninstantiations);
- for (n = ninstantiations; i_list; i_list = i_list->next)
- {
- n -= 1;
- TYPE_INSTANTIATION(type, n) = i_list->t;
- }
-
-
- /* Copy the field-list to GDB's symbol table */
- TYPE_NFIELDS (type) = nfields;
- TYPE_N_BASECLASSES (type) = n_base_classes;
- TYPE_FIELDS (type) = (struct field *)
- obstack_alloc (&objfile->type_obstack, sizeof (struct field) * nfields);
- /* Copy the saved-up fields into the field vector. */
- for (n = nfields, tmp_list = list; tmp_list; tmp_list = tmp_list->next)
- {
- n -= 1;
- TYPE_FIELD (type, n) = tmp_list->field;
- }
-
- /* Copy the "function-field-list" (i.e., the list of member
- * functions in the class) to GDB's symbol table
- */
- TYPE_NFN_FIELDS (type) = n_fn_fields;
- TYPE_NFN_FIELDS_TOTAL (type) = n_fn_fields_total;
- TYPE_FN_FIELDLISTS(type) = (struct fn_fieldlist *)
- obstack_alloc (&objfile->type_obstack, sizeof (struct fn_fieldlist) * n_fn_fields);
- for (n = n_fn_fields; fn_list; fn_list = fn_list->next)
- {
- n -= 1;
- TYPE_FN_FIELDLIST(type, n) = fn_list->field;
- }
-
- /* pai:: FIXME -- perhaps each bitvector should be created individually */
- for (n = nfields, tmp_list = list; tmp_list; tmp_list = tmp_list->next)
- {
- n -= 1;
- if (tmp_list->attributes)
- {
- need_bitvectors = 1;
- break;
- }
- }
-
- if (need_bitvectors)
- {
- /* pai:: this step probably redundant */
- ALLOCATE_CPLUS_STRUCT_TYPE (type);
-
- TYPE_FIELD_VIRTUAL_BITS (type) =
- (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
- B_CLRALL (TYPE_FIELD_VIRTUAL_BITS (type), nfields);
-
- TYPE_FIELD_PRIVATE_BITS (type) =
- (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
- B_CLRALL (TYPE_FIELD_PRIVATE_BITS (type), nfields);
-
- TYPE_FIELD_PROTECTED_BITS (type) =
- (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
- B_CLRALL (TYPE_FIELD_PROTECTED_BITS (type), nfields);
-
- /* this field vector isn't actually used with HP aCC */
- TYPE_FIELD_IGNORE_BITS (type) =
- (B_TYPE *) TYPE_ALLOC (type, B_BYTES (nfields));
- B_CLRALL (TYPE_FIELD_IGNORE_BITS (type), nfields);
-
- while (nfields-- > 0)
- {
- if (B_TST(&(list->attributes),ATTR_VIRTUAL))
- SET_TYPE_FIELD_VIRTUAL (type, nfields);
- if (B_TST(&(list->attributes),ATTR_PRIVATE))
- SET_TYPE_FIELD_PRIVATE (type, nfields);
- if (B_TST(&(list->attributes),ATTR_PROTECT))
- SET_TYPE_FIELD_PROTECTED (type, nfields);
-
- list = list->next;
- }
- }
- else
- {
- TYPE_FIELD_VIRTUAL_BITS(type) = NULL;
- TYPE_FIELD_PROTECTED_BITS(type) = NULL;
- TYPE_FIELD_PRIVATE_BITS(type) = NULL;
- }
-
- if (has_vtable(type))
- {
- /* Allocate space for class runtime information */
- TYPE_RUNTIME_PTR(type) = (struct runtime_info *) xmalloc (sizeof(struct runtime_info));
- /* Set flag for vtable */
- TYPE_VTABLE(type) = 1;
- /* The first non-virtual base class with a vtable. */
- TYPE_PRIMARY_BASE(type) = primary_base_class(type);
- /* The virtual base list. */
- TYPE_VIRTUAL_BASE_LIST(type) = virtual_base_list(type);
- }
- else
- TYPE_RUNTIME_PTR(type) = NULL;
-
- /* If this is a local type (C++ - declared inside a function), record file name & line # */
- if (hpread_get_scope_depth (dn_bufp, objfile, 1 /* no need for real depth */))
- {
- TYPE_LOCALTYPE_PTR (type) = (struct local_type_info *) xmalloc (sizeof (struct local_type_info));
- TYPE_LOCALTYPE_FILE (type) = (char *) xmalloc (strlen (current_subfile->name) + 1);
- strcpy (TYPE_LOCALTYPE_FILE (type), current_subfile->name);
- if (current_subfile->line_vector && (current_subfile->line_vector->nitems > 0))
- TYPE_LOCALTYPE_LINE (type) = current_subfile->line_vector->item[current_subfile->line_vector->nitems - 1].line;
- else
- TYPE_LOCALTYPE_LINE (type) = 0;
- }
- else
- TYPE_LOCALTYPE_PTR (type) = NULL;
-
- /* Clear the global saying what template we are in the middle of processing */
- current_template = NULL;
-
- return type;
-}
-
-/* Adjust the physnames for each static member of a struct
- or class type to be something like "A::x"; then various
- other pieces of code that do a lookup_symbol on the phyname
- work correctly.
- TYPE is a pointer to the struct/class type
- NAME is a char * (string) which is the class/struct name
- Void return */
-
-static void
-fix_static_member_physnames (type, class_name, objfile)
- struct type * type;
- char * class_name;
- struct objfile * objfile;
-{
- int i;
-
- /* We fix the member names only for classes or structs */
- if (TYPE_CODE (type) != TYPE_CODE_STRUCT)
- return;
-
- for (i=0; i < TYPE_NFIELDS (type); i++)
- if (TYPE_FIELD_STATIC (type, i))
- {
- if (TYPE_FIELD_STATIC_PHYSNAME (type, i))
- return; /* physnames are already set */
-
- SET_FIELD_PHYSNAME (type->fields[i],
- obstack_alloc (&objfile->type_obstack,
- strlen (class_name) + strlen (TYPE_FIELD_NAME (type, i)) + 3));
- strcpy (TYPE_FIELD_STATIC_PHYSNAME (type, i), class_name);
- strcat (TYPE_FIELD_STATIC_PHYSNAME (type, i), "::");
- strcat (TYPE_FIELD_STATIC_PHYSNAME (type, i), TYPE_FIELD_NAME (type, i));
- }
-}
-
-/* Fix-up the type structure for a CLASS so that the type entry
- * for a method (previously marked with a null type in hpread_read_struct_type()
- * is set correctly to METHOD.
- * OBJFILE is as for other such functions.
- * Void return. */
-
-static void
-fixup_class_method_type (class, method, objfile)
- struct type * class;
- struct type * method;
- struct objfile * objfile;
-{
- int i, j, k;
-
- if (!class || !method || !objfile)
- return;
-
- /* Only for types that have methods */
- if ((TYPE_CODE (class) != TYPE_CODE_CLASS) &&
- (TYPE_CODE (class) != TYPE_CODE_UNION))
- return;
-
- /* Loop over all methods and find the one marked with a NULL type */
- for (i = 0; i < TYPE_NFN_FIELDS (class); i++)
- for (j = 0; j < TYPE_FN_FIELDLIST_LENGTH (class, i); j++)
- if (TYPE_FN_FIELD_TYPE (TYPE_FN_FIELDLIST1 (class, i), j) == NULL)
- {
- /* Set the method type */
- TYPE_FN_FIELD_TYPE (TYPE_FN_FIELDLIST1 (class, i), j) = method;
- /* The argument list */
- (TYPE_FN_FIELD_TYPE (TYPE_FN_FIELDLIST1 (class, i), j))->type_specific.arg_types
- = (struct type **) obstack_alloc(&objfile->type_obstack,
- sizeof(struct type *) * (method->nfields + 1));
- for (k = 0; k < method->nfields; k++)
- (TYPE_FN_FIELD_TYPE (TYPE_FN_FIELDLIST1 (class, i), j))->type_specific.arg_types[k] = method->fields[k].type;
- /* void termination */
- (TYPE_FN_FIELD_TYPE (TYPE_FN_FIELDLIST1 (class, i), j))->type_specific.arg_types[method->nfields] = builtin_type_void;
-
- /* pai: It's not clear why this args field has to be set. Perhaps
- * it should be eliminated entirely. */
- (TYPE_FN_FIELD (TYPE_FN_FIELDLIST1 (class, i), j)).args
- = (struct type **) obstack_alloc(&objfile->type_obstack,
- sizeof(struct type *) * (method->nfields + 1));
- for (k = 0; k < method->nfields; k++)
- (TYPE_FN_FIELD (TYPE_FN_FIELDLIST1 (class, i), j)).args[k] = method->fields[k].type;
- /* null-terminated, unlike arg_types above */
- (TYPE_FN_FIELD (TYPE_FN_FIELDLIST1 (class, i), j)).args[method->nfields] = NULL;
-
- /* Break out of both loops -- only one method to fix up in a class */
- goto finish;
- }
-
-finish:
- TYPE_FLAGS (class) &= ~TYPE_FLAG_INCOMPLETE;
-}
-
-
-/* If we're in the middle of processing a template, get a pointer
- * to the Nth template argument.
- * An example may make this clearer:
- * template <class T1, class T2> class q2 {
- * public:
- * T1 a;
- * T2 b;
- * };
- * The type for "a" will be "first template arg" and
- * the type for "b" will be "second template arg".
- * We need to look these up in order to fill in "a" and "b"'s type.
- * This is called from hpread_type_lookup().
- */
-static struct type *
-hpread_get_nth_template_arg(objfile, n)
- struct objfile *objfile;
- int n;
-{
- if (current_template != NULL)
- return TYPE_TEMPLATE_ARG(current_template, n).type;
- else
- return lookup_fundamental_type (objfile, FT_TEMPLATE_ARG);
-}
-
-/* Read in and internalize a TEMPL_ARG (template arg) symbol. */
-
-static struct type *
-hpread_read_templ_arg_type (hp_type, dn_bufp, objfile, name)
- dnttpointer hp_type;
- union dnttentry *dn_bufp;
- struct objfile *objfile;
- char * name;
-{
- struct type *type;
-
- /* See if it's something we've already deal with. */
- type = hpread_alloc_type (hp_type, objfile);
- if (TYPE_CODE (type) == TYPE_CODE_TEMPLATE_ARG)
- return type;
-
- /* Nope. Fill in the appropriate fields. */
- TYPE_CODE (type) = TYPE_CODE_TEMPLATE_ARG;
- TYPE_LENGTH (type) = 0;
- TYPE_NFIELDS (type) = 0;
- TYPE_NAME (type) = name;
- return type;
-}
-
-/* Read in and internalize a set debug symbol. */
-
-static struct type *
-hpread_read_set_type (hp_type, dn_bufp, objfile)
- dnttpointer hp_type;
- union dnttentry *dn_bufp;
- struct objfile *objfile;
-{
- struct type *type;
-
- /* See if it's something we've already deal with. */
- type = hpread_alloc_type (hp_type, objfile);
- if (TYPE_CODE (type) == TYPE_CODE_SET)
- return type;
-
- /* Nope. Fill in the appropriate fields. */
- TYPE_CODE (type) = TYPE_CODE_SET;
- TYPE_LENGTH (type) = dn_bufp->dset.bitlength / 8;
- TYPE_NFIELDS (type) = 0;
- TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->dset.subtype,
- objfile);
- return type;
-}
-
-/* Read in and internalize an array debug symbol. */
-
-static struct type *
-hpread_read_array_type (hp_type, dn_bufp, objfile)
- dnttpointer hp_type;
- union dnttentry *dn_bufp;
- struct objfile *objfile;
-{
- struct type *type;
-
- /* Allocate an array type symbol.
- * Why no check for already-read here, like in the other
- * hpread_read_xxx_type routines? Because it kept us
- * from properly determining the size of the array!
- */
- type = hpread_alloc_type (hp_type, objfile);
-
- TYPE_CODE (type) = TYPE_CODE_ARRAY;
-
- /* Although the hp-symtab.h does not *require* this to be the case,
- * GDB is assuming that "arrayisbytes" and "elemisbytes" be consistent.
- * I.e., express both array-length and element-length in bits,
- * or express both array-length and element-length in bytes.
- */
- if (!((dn_bufp->darray.arrayisbytes && dn_bufp->darray.elemisbytes) ||
- (!dn_bufp->darray.arrayisbytes && !dn_bufp->darray.elemisbytes))) {
- warning ("error in hpread_array_type.\n");
- return;
- } else if (dn_bufp->darray.arraylength == 0x7fffffff) {
- /* The HP debug format represents char foo[]; as an array with
- * length 0x7fffffff. Internally GDB wants to represent this
- * as an array of length zero.
- */
- TYPE_LENGTH (type) = 0;
- } else if (dn_bufp->darray.arrayisbytes)
- TYPE_LENGTH (type) = dn_bufp->darray.arraylength;
- else /* arraylength is in bits */
- TYPE_LENGTH (type) = dn_bufp->darray.arraylength / 8;
-
- TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->darray.elemtype,
- objfile);
-
- /* The one "field" is used to store the subscript type */
- /* Since C and C++ multi-dimensional arrays are simply represented
- * as: array of array of ..., we only need one subscript-type
- * per array. This subscript type is typically a subrange of integer.
- * If this gets extended to support languages like Pascal, then
- * we need to fix this to represent multi-dimensional arrays properly.
- */
- TYPE_NFIELDS (type) = 1;
- TYPE_FIELDS (type) = (struct field *)
- obstack_alloc (&objfile->type_obstack, sizeof (struct field));
- TYPE_FIELD_TYPE (type, 0) = hpread_type_lookup (dn_bufp->darray.indextype,
- objfile);
- return type;
-}
-
-/* Read in and internalize a subrange debug symbol. */
-static struct type *
-hpread_read_subrange_type (hp_type, dn_bufp, objfile)
- dnttpointer hp_type;
- union dnttentry *dn_bufp;
- struct objfile *objfile;
-{
- struct type *type;
-
- /* Is it something we've already dealt with. */
- type = hpread_alloc_type (hp_type, objfile);
- if (TYPE_CODE (type) == TYPE_CODE_RANGE)
- return type;
-
- /* Nope, internalize it. */
- TYPE_CODE (type) = TYPE_CODE_RANGE;
- TYPE_LENGTH (type) = dn_bufp->dsubr.bitlength / 8;
- TYPE_NFIELDS (type) = 2;
- TYPE_FIELDS (type)
- = (struct field *) obstack_alloc (&objfile->type_obstack,
- 2 * sizeof (struct field));
-
- if (dn_bufp->dsubr.dyn_low)
- TYPE_FIELD_BITPOS (type, 0) = 0;
- else
- TYPE_FIELD_BITPOS (type, 0) = dn_bufp->dsubr.lowbound;
-
- if (dn_bufp->dsubr.dyn_high)
- TYPE_FIELD_BITPOS (type, 1) = -1;
- else
- TYPE_FIELD_BITPOS (type, 1) = dn_bufp->dsubr.highbound;
- TYPE_TARGET_TYPE (type) = hpread_type_lookup (dn_bufp->dsubr.subtype,
- objfile);
- return type;
-}
-
-/* struct type * hpread_type_lookup(hp_type, objfile)
- * Arguments:
- * hp_type: A pointer into the DNTT specifying what type we
- * are about to "look up"., or else [for fundamental types
- * like int, float, ...] an "immediate" structure describing
- * the type.
- * objfile: ?
- * Return value: A pointer to a "struct type" (representation of a
- * type in GDB's internal symbol table - see gdbtypes.h)
- * Routine description:
- * There are a variety of places when scanning the DNTT when we
- * need to interpret a "type" field. The simplest and most basic
- * example is when we're processing the symbol table record
- * for a data symbol (a SVAR or DVAR record). That has
- * a "type" field specifying the type of the data symbol. That
- * "type" field is either an "immediate" type specification (for the
- * fundamental types) or a DNTT pointer (for more complicated types).
- * For the more complicated types, we may or may not have already
- * processed the pointed-to type. (Multiple data symbols can of course
- * share the same type).
- * The job of hpread_type_lookup() is to process this "type" field.
- * Most of the real work is done in subroutines. Here we interpret
- * the immediate flag. If not immediate, chase the DNTT pointer to
- * find our way to the SOM record describing the type, switch on
- * the SOM kind, and then call an appropriate subroutine depending
- * on what kind of type we are constructing. (e.g., an array type,
- * a struct/class type, etc).
- */
-static struct type *
-hpread_type_lookup (hp_type, objfile)
- dnttpointer hp_type;
- struct objfile *objfile;
-{
- union dnttentry *dn_bufp;
- struct type * tmp_type;
-
- /* First see if it's a simple builtin type. */
- if (hp_type.dntti.immediate)
- /* If this is a template argument, the argument number is
- * encoded in the bitlength. All other cases, just return
- * GDB's representation of this fundamental type.
- */
- if (hp_type.dntti.type == HP_TYPE_TEMPLATE_ARG)
- return hpread_get_nth_template_arg(objfile, hp_type.dntti.bitlength);
- else
- return lookup_fundamental_type (objfile, hpread_type_translate (hp_type));
-
- /* Not a builtin type. We'll have to read it in. */
- if (hp_type.dnttp.index < LNTT_SYMCOUNT (objfile))
- dn_bufp = hpread_get_lntt (hp_type.dnttp.index, objfile);
- else
- /* This is a fancy way of returning NULL */
- return lookup_fundamental_type (objfile, FT_VOID);
-
- switch (dn_bufp->dblock.kind)
- {
- case DNTT_TYPE_SRCFILE:
- case DNTT_TYPE_MODULE:
- case DNTT_TYPE_ENTRY:
- case DNTT_TYPE_BEGIN:
- case DNTT_TYPE_END:
- case DNTT_TYPE_IMPORT:
- case DNTT_TYPE_LABEL:
- case DNTT_TYPE_FPARAM:
- case DNTT_TYPE_SVAR:
- case DNTT_TYPE_DVAR:
- case DNTT_TYPE_CONST:
- case DNTT_TYPE_MEMENUM:
- case DNTT_TYPE_VARIANT:
- case DNTT_TYPE_FILE:
- case DNTT_TYPE_WITH:
- case DNTT_TYPE_COMMON:
- case DNTT_TYPE_COBSTRUCT:
- case DNTT_TYPE_XREF:
- case DNTT_TYPE_SA:
- case DNTT_TYPE_MACRO:
- case DNTT_TYPE_BLOCKDATA:
- case DNTT_TYPE_CLASS_SCOPE:
- case DNTT_TYPE_MEMACCESS:
- case DNTT_TYPE_INHERITANCE:
- case DNTT_TYPE_OBJECT_ID:
- case DNTT_TYPE_FRIEND_CLASS:
- case DNTT_TYPE_FRIEND_FUNC:
- /* These are not types - something went wrong. */
- /* This is a fancy way of returning NULL */
- return lookup_fundamental_type (objfile, FT_VOID);
-
- case DNTT_TYPE_FUNCTION:
- /* We wind up here when dealing with class member functions
- * (called from hpread_read_struct_type(), i.e. when processing
- * the class definition itself).
- */
- return hpread_read_function_type (hp_type, dn_bufp, objfile, 0);
-
- case DNTT_TYPE_DOC_FUNCTION:
- return hpread_read_doc_function_type (hp_type, dn_bufp, objfile, 0);
-
- case DNTT_TYPE_TYPEDEF:
- {
- /* A typedef - chase it down by making a recursive call */
- struct type *structtype = hpread_type_lookup (dn_bufp->dtype.type,
- objfile);
-
- /* The following came from the base hpread.c that we inherited.
- * It is WRONG so I have commented it out. - RT
- *...
-
- char *suffix;
- suffix = VT (objfile) + dn_bufp->dtype.name;
- TYPE_NAME (structtype) = suffix;
-
- * ... further explanation ....
- *
- * What we have here is a typedef pointing to a typedef.
- * E.g.,
- * typedef int foo;
- * typedef foo fum;
- *
- * What we desire to build is (these are pictures
- * of "struct type"'s):
- *
- * +---------+ +----------+ +------------+
- * | typedef | | typedef | | fund. type |
- * | type| -> | type| -> | |
- * | "fum" | | "foo" | | "int" |
- * +---------+ +----------+ +------------+
- *
- * What this commented-out code is doing is smashing the
- * name of pointed-to-type to be the same as the pointed-from
- * type. So we wind up with something like:
- *
- * +---------+ +----------+ +------------+
- * | typedef | | typedef | | fund. type |
- * | type| -> | type| -> | |
- * | "fum" | | "fum" | | "fum" |
- * +---------+ +----------+ +------------+
- *
- */
-
- return structtype;
- }
-
- case DNTT_TYPE_TAGDEF:
- {
- /* Just a little different from above. We have to tack on
- * an identifier of some kind (struct, union, enum, class, etc).
- */
- struct type *structtype = hpread_type_lookup (dn_bufp->dtype.type,
- objfile);
- char *prefix, *suffix;
- suffix = VT (objfile) + dn_bufp->dtype.name;
-
- /* Lookup the next type in the list. It should be a structure,
- * union, class, enum, or template type.
- * We will need to attach that to our name.
- */
- if (dn_bufp->dtype.type.dnttp.index < LNTT_SYMCOUNT (objfile))
- dn_bufp = hpread_get_lntt (dn_bufp->dtype.type.dnttp.index, objfile);
- else {
- complain (&hpread_type_lookup_complaint);
- return;
- }
-
- if (dn_bufp->dblock.kind == DNTT_TYPE_STRUCT) {
- prefix = "struct ";
- } else if (dn_bufp->dblock.kind == DNTT_TYPE_UNION) {
- prefix = "union ";
- } else if (dn_bufp->dblock.kind == DNTT_TYPE_CLASS) {
- /* Further field for CLASS saying how it was really declared */
- /* 0==class, 1==union, 2==struct */
- if (dn_bufp->dclass.class_decl == 0)
- prefix = "class ";
- else if (dn_bufp->dclass.class_decl == 1)
- prefix = "union ";
- else if (dn_bufp->dclass.class_decl == 2)
- prefix = "struct ";
- else
- prefix = "";
- } else if (dn_bufp->dblock.kind == DNTT_TYPE_ENUM) {
- prefix = "enum ";
- } else if (dn_bufp->dblock.kind == DNTT_TYPE_TEMPLATE) {
- prefix = "template ";
- } else {
- prefix = "";
- }
-
- /* Build the correct name. */
- structtype->name
- = (char *) obstack_alloc (&objfile->type_obstack,
- strlen (prefix) + strlen (suffix) + 1);
- TYPE_NAME (structtype) = strcpy (TYPE_NAME (structtype), prefix);
- TYPE_NAME (structtype) = strcat (TYPE_NAME (structtype), suffix);
- TYPE_TAG_NAME (structtype) = suffix;
-
- /* For classes/structs, we have to set the static member "physnames"
- to point to strings like "Class::Member" */
- if (TYPE_CODE (structtype) == TYPE_CODE_STRUCT)
- fix_static_member_physnames (structtype, suffix, objfile);
-
- return structtype;
- }
-
- case DNTT_TYPE_POINTER:
- /* Pointer type - call a routine in gdbtypes.c that constructs
- * the appropriate GDB type.
- */
- return make_pointer_type (
- hpread_type_lookup (dn_bufp->dptr.pointsto,
- objfile),
- NULL);
-
- case DNTT_TYPE_REFERENCE:
- /* C++ reference type - call a routine in gdbtypes.c that constructs
- * the appropriate GDB type.
- */
- return make_reference_type (
- hpread_type_lookup (dn_bufp->dreference.pointsto,
- objfile),
- NULL);
-
- case DNTT_TYPE_ENUM:
- return hpread_read_enum_type (hp_type, dn_bufp, objfile);
- case DNTT_TYPE_SET:
- return hpread_read_set_type (hp_type, dn_bufp, objfile);
- case DNTT_TYPE_SUBRANGE:
- return hpread_read_subrange_type (hp_type, dn_bufp, objfile);
- case DNTT_TYPE_ARRAY:
- return hpread_read_array_type (hp_type, dn_bufp, objfile);
- case DNTT_TYPE_STRUCT:
- case DNTT_TYPE_UNION:
- return hpread_read_struct_type (hp_type, dn_bufp, objfile);
- case DNTT_TYPE_FIELD:
- return hpread_type_lookup (dn_bufp->dfield.type, objfile);
-
- case DNTT_TYPE_FUNCTYPE:
- /* Here we want to read the function SOMs and return a
- * type for it. We get here, for instance, when processing
- * pointer-to-function type.
- */
- return hpread_read_function_type (hp_type, dn_bufp, objfile, 0);
-
- case DNTT_TYPE_PTRMEM:
- /* Declares a C++ pointer-to-data-member type.
- * The "pointsto" field defines the class,
- * while the "memtype" field defines the pointed-to-type.
- */
- {
- struct type * ptrmemtype;
- struct type * class_type;
- struct type * memtype;
- memtype = hpread_type_lookup (dn_bufp->dptrmem.memtype,
- objfile),
- class_type = hpread_type_lookup (dn_bufp->dptrmem.pointsto,
- objfile),
- ptrmemtype = alloc_type(objfile);
- smash_to_member_type(ptrmemtype, class_type, memtype);
- return make_pointer_type(ptrmemtype, NULL);
- }
- break;
-
- case DNTT_TYPE_PTRMEMFUNC:
- /* Defines a C++ pointer-to-function-member type.
- * The "pointsto" field defines the class,
- * while the "memtype" field defines the pointed-to-type.
- */
- {
- struct type * ptrmemtype;
- struct type * class_type;
- struct type * functype;
- struct type * retvaltype;
- int nargs;
- int i;
- struct type ** args_type;
- class_type = hpread_type_lookup (dn_bufp->dptrmem.pointsto,
- objfile);
- functype = hpread_type_lookup (dn_bufp->dptrmem.memtype,
- objfile);
- retvaltype = TYPE_TARGET_TYPE (functype);
- nargs = TYPE_NFIELDS (functype);
- args_type = (struct type **) xmalloc ((nargs+1) * sizeof (struct type *));
- for (i = 0; i < nargs; i++) {
- args_type[i] = TYPE_FIELD_TYPE (functype, i);
- }
- args_type[nargs] = NULL;
- ptrmemtype = alloc_type(objfile);
- smash_to_method_type(ptrmemtype, class_type, retvaltype, args_type);
- return make_pointer_type(ptrmemtype, NULL);
- }
- break;
-
- case DNTT_TYPE_CLASS:
- return hpread_read_struct_type (hp_type, dn_bufp, objfile);
-
- case DNTT_TYPE_GENFIELD:
- /* Chase pointer from GENFIELD to FIELD, and make recursive
- * call on that.
- */
- return hpread_type_lookup (dn_bufp->dgenfield.field, objfile);
-
- case DNTT_TYPE_VFUNC:
- /* C++ virtual function.
- * We get here in the course of processing a class type which
- * contains virtual functions. Just go through another level
- * of indirection to get to the pointed-to function SOM.
- */
- return hpread_type_lookup (dn_bufp->dvfunc.funcptr, objfile);
-
- case DNTT_TYPE_MODIFIER:
- /* Check the modifiers and then just make a recursive call on
- * the "type" pointed to by the modifier DNTT.
- *
- * pai:: FIXME -- do we ever want to handle "m_duplicate" and
- * "m_void" modifiers? Is static_flag really needed here?
- * (m_static used for methods of classes, elsewhere).
- */
- tmp_type = make_cv_type (dn_bufp->dmodifier.m_const,
- dn_bufp->dmodifier.m_volatile,
- hpread_type_lookup (dn_bufp->dmodifier.type, objfile),
- 0);
- return tmp_type;
-
-
- case DNTT_TYPE_MEMFUNC:
- /* Member function. Treat like a function.
- * I think we get here in the course of processing a
- * pointer-to-member-function type...
- */
- return hpread_read_function_type (hp_type, dn_bufp, objfile, 0);
-
- case DNTT_TYPE_DOC_MEMFUNC:
- return hpread_read_doc_function_type (hp_type, dn_bufp, objfile, 0);
-
- case DNTT_TYPE_TEMPLATE:
- /* Template - sort of the header for a template definition,
- * which like a class, points to a member list and also points
- * to a TEMPLATE_ARG list of type-arguments.
- */
- return hpread_read_struct_type (hp_type, dn_bufp, objfile);
-
- case DNTT_TYPE_TEMPLATE_ARG:
- {
- char * name;
- /* The TEMPLATE record points to an argument list of
- * TEMPLATE_ARG records, each of which describes one
- * of the type-arguments.
- */
- name = VT (objfile) + dn_bufp->dtempl_arg.name;
- return hpread_read_templ_arg_type (hp_type, dn_bufp, objfile, name);
- }
-
- case DNTT_TYPE_FUNC_TEMPLATE:
- /* We wind up here when processing a TEMPLATE type,
- * if the template has member function(s).
- * Treat it like a FUNCTION.
- */
- return hpread_read_function_type (hp_type, dn_bufp, objfile, 0);
-
- case DNTT_TYPE_LINK:
- /* The LINK record is used to link up templates with instantiations.
- * There is no type associated with the LINK record per se.
- */
- return lookup_fundamental_type (objfile, FT_VOID);
-
- /* Also not yet handled... */
- /* case DNTT_TYPE_DYN_ARRAY_DESC: */
- /* case DNTT_TYPE_DESC_SUBRANGE: */
- /* case DNTT_TYPE_BEGIN_EXT: */
- /* case DNTT_TYPE_INLN: */
- /* case DNTT_TYPE_INLN_LIST: */
- /* case DNTT_TYPE_ALIAS: */
- default:
- /* A fancy way of returning NULL */
- return lookup_fundamental_type (objfile, FT_VOID);
- }
-}
-
-static sltpointer
-hpread_record_lines (subfile, s_idx, e_idx, objfile, offset)
- struct subfile *subfile;
- sltpointer s_idx, e_idx;
- struct objfile *objfile;
- CORE_ADDR offset;
-{
- union sltentry *sl_bufp;
-
- while (s_idx <= e_idx)
- {
- sl_bufp = hpread_get_slt (s_idx, objfile);
- /* Only record "normal" entries in the SLT. */
- if (sl_bufp->snorm.sltdesc == SLT_NORMAL
- || sl_bufp->snorm.sltdesc == SLT_EXIT)
- record_line (subfile, sl_bufp->snorm.line,
- sl_bufp->snorm.address + offset);
- else if (sl_bufp->snorm.sltdesc == SLT_NORMAL_OFFSET)
- record_line (subfile, sl_bufp->snormoff.line,
- sl_bufp->snormoff.address + offset);
- s_idx++;
- }
- return e_idx;
-}
-
-/* Given a function "f" which is a member of a class, find
- * the classname that it is a member of. Used to construct
- * the name (e.g., "c::f") which GDB will put in the
- * "demangled name" field of the function's symbol.
- * Called from hpread_process_one_debug_symbol()
- * If "f" is not a member function, return NULL.
- */
-char * class_of (functype)
-struct type * functype;
-{
- struct type * first_param_type;
- char * first_param_name;
- struct type * pointed_to_type;
- char * class_name;
-
- /* Check that the function has a first argument "this",
- * and that "this" is a pointer to a class. If not,
- * functype is not a member function, so return NULL.
- */
- if (TYPE_NFIELDS(functype) == 0)
- return NULL;
- first_param_name = TYPE_FIELD_NAME (functype, 0);
- if (first_param_name == NULL)
- return NULL; /* paranoia */
- if (strcmp(first_param_name, "this"))
- return NULL;
- first_param_type = TYPE_FIELD_TYPE (functype, 0);
- if (first_param_type == NULL)
- return NULL; /* paranoia */
- if (TYPE_CODE(first_param_type) != TYPE_CODE_PTR)
- return NULL;
-
- /* Get the thing that "this" points to, check that
- * it's a class, and get its class name.
- */
- pointed_to_type = TYPE_TARGET_TYPE(first_param_type);
- if (pointed_to_type == NULL)
- return NULL; /* paranoia */
- if (TYPE_CODE(pointed_to_type) != TYPE_CODE_CLASS)
- return NULL;
- class_name = TYPE_NAME(pointed_to_type);
- if (class_name == NULL)
- return NULL; /* paranoia */
-
- /* The class name may be of the form "class c", in which case
- * we want to strip off the leading "class ".
- */
- if (strncmp(class_name, "class ", 6) == 0)
- class_name += 6;
-
- return class_name;
-}
-
-/* Internalize one native debug symbol.
- * Called in a loop from hpread_expand_symtab().
- * Arguments:
- * dn_bufp:
- * name:
- * section_offsets:
- * objfile:
- * text_offset:
- * text_size:
- * filename:
- * index: Index of this symbol
- * at_module_boundary_p Pointer to boolean flag to control caller's loop.
- */
-
-static void
-hpread_process_one_debug_symbol (dn_bufp, name, section_offsets, objfile,
- text_offset, text_size, filename,
- index, at_module_boundary_p
- )
- union dnttentry *dn_bufp;
- char *name;
- struct section_offsets *section_offsets;
- struct objfile *objfile;
- CORE_ADDR text_offset;
- int text_size;
- char *filename;
- int index;
- int *at_module_boundary_p;
-{
- unsigned long desc;
- int type;
- CORE_ADDR valu;
- int offset = ANOFFSET (section_offsets, SECT_OFF_TEXT);
- int data_offset = ANOFFSET (section_offsets, SECT_OFF_DATA);
- union dnttentry *dn_temp;
- dnttpointer hp_type;
- struct symbol *sym;
- struct context_stack *new;
- char * class_scope_name;
- extern int is_in_import_list (); /* in somread.c */
-
- /* Allocate one GDB debug symbol and fill in some default values. */
- sym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
- sizeof (struct symbol));
- memset (sym, 0, sizeof (struct symbol));
- SYMBOL_NAME (sym) = obsavestring (name, strlen (name), &objfile->symbol_obstack);
- SYMBOL_LANGUAGE (sym) = language_auto;
- SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
- SYMBOL_LINE (sym) = 0;
- SYMBOL_VALUE (sym) = 0;
- SYMBOL_CLASS (sym) = LOC_TYPEDEF;
-
- /* Just a trick in case the SOM debug symbol is a type definition.
- * There are routines that are set up to build a GDB type symbol, given
- * a SOM dnttpointer. So we set up a dummy SOM dnttpointer "hp_type".
- * This allows us to call those same routines.
- */
- hp_type.dnttp.extension = 1;
- hp_type.dnttp.immediate = 0;
- hp_type.dnttp.global = 0;
- hp_type.dnttp.index = index;
-
- /* This "type" is the type of SOM record.
- * Switch on SOM type.
- */
- type = dn_bufp->dblock.kind;
- switch (type)
- {
- case DNTT_TYPE_SRCFILE:
- /* This type of symbol indicates from which source file or
- * include file any following data comes. It may indicate:
- *
- * o The start of an entirely new source file (and thus
- * a new module)
- *
- * o The start of a different source file due to #include
- *
- * o The end of an include file and the return to the original
- * file. Thus if "foo.c" includes "bar.h", we see first
- * a SRCFILE for foo.c, then one for bar.h, and then one for
- * foo.c again.
- *
- * If it indicates the start of a new module then we must
- * finish the symbol table of the previous module
- * (if any) and start accumulating a new symbol table.
- */
-
- valu = text_offset;
- if (!last_source_file ) {
- /*
- * A note on "last_source_file": this is a char* pointing
- * to the actual file name. "start_symtab" sets it,
- * "end_symtab" clears it.
- *
- * So if "last_source_file" is NULL, then either this is
- * the first record we are looking at, or a previous call
- * to "end_symtab()" was made to close out the previous
- * module. Since we're now quitting the scan loop when we
- * see a MODULE END record, we should never get here, except
- * in the case that we're not using the quick look-up tables
- * and have to use the old system as a fall-back.
- */
- start_symtab (name, NULL, valu);
- record_debugformat ("HP");
- SL_INDEX (objfile) = dn_bufp->dsfile.address;
- }
-
- else {
- /* Either a new include file, or a SRCFILE record
- * saying we are back in the main source (or out of
- * a nested include file) again.
- */
- SL_INDEX (objfile) = hpread_record_lines (current_subfile,
- SL_INDEX (objfile),
- dn_bufp->dsfile.address,
- objfile, offset);
- }
-
- /* A note on "start_subfile". This routine will check
- * the name we pass it and look for an existing subfile
- * of that name. There's thus only one sub-file for the
- * actual source (e.g. for "foo.c" in foo.c), despite the
- * fact that we'll see lots of SRCFILE entries for foo.c
- * inside foo.c.
- */
- start_subfile (name, NULL);
- break;
-
- case DNTT_TYPE_MODULE:
- /*
- * We no longer ignore DNTT_TYPE_MODULE symbols. The module
- * represents the meaningful semantic structure of a compilation
- * unit. We expect to start the psymtab-to-symtab expansion
- * looking at a MODULE entry, and to end it at the corresponding
- * END MODULE entry.
- *
- *--Begin outdated comments
- *
- * This record signifies the start of a new source module
- * In C/C++ there is no explicit "module" construct in the language,
- * but each compilation unit is implicitly a module and they
- * do emit the DNTT_TYPE_MODULE records.
- * The end of the module is marked by a matching DNTT_TYPE_END record.
- *
- * The reason GDB gets away with ignoring the DNTT_TYPE_MODULE record
- * is it notices the DNTT_TYPE_END record for the previous
- * module (see comments under DNTT_TYPE_END case), and then treats
- * the next DNTT_TYPE_SRCFILE record as if it were the module-start record.
- * (i.e., it makes a start_symtab() call).
- * This scheme seems a little convoluted, but I'll leave it
- * alone on the principle "if it ain't broke don't fix
- * it". (RT).
- *
- *-- End outdated comments
- */
-
- valu = text_offset;
- if (!last_source_file )
- {
- /* Start of a new module. We know this because "last_source_file"
- * is NULL, which can only happen the first time or if we just
- * made a call to end_symtab() to close out the previous module.
- */
- start_symtab (name, NULL, valu);
- SL_INDEX (objfile) = dn_bufp->dmodule.address;
- }
- else
- {
- /* This really shouldn't happen if we're using the quick
- * look-up tables, as it would mean we'd scanned past an
- * END MODULE entry. But if we're not using the tables,
- * we started the module on the SRCFILE entry, so it's ok.
- * For now, accept this.
- */
- /* warning( "Error expanding psymtab, missed module end, found entry for %s",
- * name );
- */
- *at_module_boundary_p = -1;
- }
-
- start_subfile (name, NULL);
- break;
-
- case DNTT_TYPE_FUNCTION:
- case DNTT_TYPE_ENTRY:
- /* A function or secondary entry point. */
- valu = dn_bufp->dfunc.lowaddr + offset;
-
- /* Record lines up to this point. */
- SL_INDEX (objfile) = hpread_record_lines (current_subfile,
- SL_INDEX (objfile),
- dn_bufp->dfunc.address,
- objfile, offset);
-
- WITHIN_FUNCTION (objfile) = 1;
- CURRENT_FUNCTION_VALUE (objfile) = valu;
-
- /* Stack must be empty now. */
- if (context_stack_depth != 0)
- complain (&lbrac_unmatched_complaint, (char *) symnum);
- new = push_context (0, valu);
-
- /* Built a type for the function. This includes processing
- * the symbol records for the function parameters.
- */
- SYMBOL_CLASS (sym) = LOC_BLOCK;
- SYMBOL_TYPE (sym) = hpread_read_function_type (hp_type, dn_bufp, objfile, 1);
-
- /* The "SYMBOL_NAME" field is expected to be the mangled name
- * (if any), which we get from the "alias" field of the SOM record
- * if that exists.
- */
- if ((dn_bufp->dfunc.language == HP_LANGUAGE_CPLUSPLUS) &&
- dn_bufp->dfunc.alias && /* has an alias */
- *(char *)(VT (objfile) + dn_bufp->dfunc.alias)) /* not a null string */
- SYMBOL_NAME (sym) = VT (objfile) + dn_bufp->dfunc.alias;
- else
- SYMBOL_NAME (sym) = VT (objfile) + dn_bufp->dfunc.name;
-
- /* Special hack to get around HP compilers' insistence on
- * reporting "main" as "_MAIN_" for C/C++ */
- if ((strcmp (SYMBOL_NAME (sym), "_MAIN_") == 0) &&
- (strcmp (VT (objfile) + dn_bufp->dfunc.name, "main") == 0))
- SYMBOL_NAME (sym) = VT (objfile) + dn_bufp->dfunc.name;
-
- /* The SYMBOL_CPLUS_DEMANGLED_NAME field is expected to
- * be the demangled name.
- */
- if (dn_bufp->dfunc.language == HP_LANGUAGE_CPLUSPLUS)
- {
- /* SYMBOL_INIT_DEMANGLED_NAME is a macro which winds up
- * calling the demangler in libiberty (cplus_demangle()) to
- * do the job. This generally does the job, even though
- * it's intended for the GNU compiler and not the aCC compiler
- * Note that SYMBOL_INIT_DEMANGLED_NAME calls the
- * demangler with arguments DMGL_PARAMS | DMGL_ANSI.
- * Generally, we don't want params when we display
- * a demangled name, but when I took out the DMGL_PARAMS,
- * some things broke, so I'm leaving it in here, and
- * working around the issue in stack.c. - RT
- */
- SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
- if ((SYMBOL_NAME (sym) == VT (objfile) + dn_bufp->dfunc.alias) &&
- (!SYMBOL_CPLUS_DEMANGLED_NAME(sym))) {
-
- /* Well, the symbol name is mangled, but the
- * demangler in libiberty failed so the demangled
- * field is still NULL. Try to
- * do the job ourselves based on the "name" field
- * in the SOM record. A complication here is that
- * the name field contains only the function name
- * (like "f"), whereas we want the class qualification
- * (as in "c::f"). Try to reconstruct that.
- */
- char * basename;
- char * classname;
- char * dem_name;
- basename = VT (objfile) + dn_bufp->dfunc.name;
- classname = class_of(SYMBOL_TYPE(sym));
- if (classname) {
- dem_name = xmalloc(strlen(basename)+strlen(classname)+3);
- strcpy(dem_name, classname);
- strcat(dem_name, "::");
- strcat(dem_name, basename);
- SYMBOL_CPLUS_DEMANGLED_NAME(sym) = dem_name;
- SYMBOL_LANGUAGE (sym) = language_cplus;
- }
- }
- }
-
- /* Add the function symbol to the list of symbols in this blockvector */
- if (dn_bufp->dfunc.global)
- add_symbol_to_list (sym, &global_symbols);
- else
- add_symbol_to_list (sym, &file_symbols);
- new->name = sym;
-
- /* Search forward to the next BEGIN and also read
- * in the line info up to that point.
- * Not sure why this is needed.
- * In HP FORTRAN this code is harmful since there
- * may not be a BEGIN after the FUNCTION.
- * So I made it C/C++ specific. - RT
- */
- if (dn_bufp->dfunc.language == HP_LANGUAGE_C ||
- dn_bufp->dfunc.language == HP_LANGUAGE_CPLUSPLUS) {
- while (dn_bufp->dblock.kind != DNTT_TYPE_BEGIN)
- {
- dn_bufp = hpread_get_lntt (++index, objfile);
- if (dn_bufp->dblock.extension)
- continue;
- }
- SL_INDEX (objfile) = hpread_record_lines (current_subfile,
- SL_INDEX (objfile),
- dn_bufp->dbegin.address,
- objfile, offset);
- SYMBOL_LINE (sym) = hpread_get_line (dn_bufp->dbegin.address, objfile);
- }
- record_line (current_subfile, SYMBOL_LINE (sym), valu);
- break;
-
- case DNTT_TYPE_DOC_FUNCTION:
- valu = dn_bufp->ddocfunc.lowaddr + offset;
-
- /* Record lines up to this point. */
- SL_INDEX (objfile) = hpread_record_lines (current_subfile,
- SL_INDEX (objfile),
- dn_bufp->ddocfunc.address,
- objfile, offset);
-
- WITHIN_FUNCTION (objfile) = 1;
- CURRENT_FUNCTION_VALUE (objfile) = valu;
- /* Stack must be empty now. */
- if (context_stack_depth != 0)
- complain (&lbrac_unmatched_complaint, (char *) symnum);
- new = push_context (0, valu);
-
- /* Built a type for the function. This includes processing
- * the symbol records for the function parameters.
- */
- SYMBOL_CLASS (sym) = LOC_BLOCK;
- SYMBOL_TYPE (sym) = hpread_read_doc_function_type (hp_type, dn_bufp, objfile, 1);
-
- /* The "SYMBOL_NAME" field is expected to be the mangled name
- * (if any), which we get from the "alias" field of the SOM record
- * if that exists.
- */
- if ((dn_bufp->ddocfunc.language == HP_LANGUAGE_CPLUSPLUS) &&
- dn_bufp->ddocfunc.alias && /* has an alias */
- *(char *)(VT (objfile) + dn_bufp->ddocfunc.alias)) /* not a null string */
- SYMBOL_NAME (sym) = VT (objfile) + dn_bufp->ddocfunc.alias;
- else
- SYMBOL_NAME (sym) = VT (objfile) + dn_bufp->ddocfunc.name;
-
- /* Special hack to get around HP compilers' insistence on
- * reporting "main" as "_MAIN_" for C/C++ */
- if ((strcmp (SYMBOL_NAME (sym), "_MAIN_") == 0) &&
- (strcmp (VT (objfile) + dn_bufp->ddocfunc.name, "main") == 0))
- SYMBOL_NAME (sym) = VT (objfile) + dn_bufp->ddocfunc.name;
-
- if (dn_bufp->ddocfunc.language == HP_LANGUAGE_CPLUSPLUS) {
-
- /* SYMBOL_INIT_DEMANGLED_NAME is a macro which winds up
- * calling the demangler in libiberty (cplus_demangle()) to
- * do the job. This generally does the job, even though
- * it's intended for the GNU compiler and not the aCC compiler
- * Note that SYMBOL_INIT_DEMANGLED_NAME calls the
- * demangler with arguments DMGL_PARAMS | DMGL_ANSI.
- * Generally, we don't want params when we display
- * a demangled name, but when I took out the DMGL_PARAMS,
- * some things broke, so I'm leaving it in here, and
- * working around the issue in stack.c. - RT
- */
- SYMBOL_INIT_DEMANGLED_NAME (sym, &objfile->symbol_obstack);
-
- if ((SYMBOL_NAME (sym) == VT (objfile) + dn_bufp->ddocfunc.alias) &&
- (!SYMBOL_CPLUS_DEMANGLED_NAME(sym))) {
-
- /* Well, the symbol name is mangled, but the
- * demangler in libiberty failed so the demangled
- * field is still NULL. Try to
- * do the job ourselves based on the "name" field
- * in the SOM record. A complication here is that
- * the name field contains only the function name
- * (like "f"), whereas we want the class qualification
- * (as in "c::f"). Try to reconstruct that.
- */
- char * basename;
- char * classname;
- char * dem_name;
- basename = VT (objfile) + dn_bufp->ddocfunc.name;
- classname = class_of(SYMBOL_TYPE(sym));
- if (classname) {
- dem_name = xmalloc(strlen(basename)+strlen(classname)+3);
- strcpy(dem_name, classname);
- strcat(dem_name, "::");
- strcat(dem_name, basename);
- SYMBOL_CPLUS_DEMANGLED_NAME(sym) = dem_name;
- SYMBOL_LANGUAGE (sym) = language_cplus;
- }
- }
- }
-
- /* Add the function symbol to the list of symbols in this blockvector */
- if (dn_bufp->ddocfunc.global)
- add_symbol_to_list (sym, &global_symbols);
- else
- add_symbol_to_list (sym, &file_symbols);
- new->name = sym;
-
- /* Search forward to the next BEGIN and also read
- * in the line info up to that point.
- * Not sure why this is needed.
- * In HP FORTRAN this code is harmful since there
- * may not be a BEGIN after the FUNCTION.
- * So I made it C/C++ specific. - RT
- */
- if (dn_bufp->ddocfunc.language == HP_LANGUAGE_C ||
- dn_bufp->ddocfunc.language == HP_LANGUAGE_CPLUSPLUS) {
- while (dn_bufp->dblock.kind != DNTT_TYPE_BEGIN)
- {
- dn_bufp = hpread_get_lntt (++index, objfile);
- if (dn_bufp->dblock.extension)
- continue;
- }
- SL_INDEX (objfile) = hpread_record_lines (current_subfile,
- SL_INDEX (objfile),
- dn_bufp->dbegin.address,
- objfile, offset);
- SYMBOL_LINE (sym) = hpread_get_line (dn_bufp->dbegin.address, objfile);
- }
- record_line (current_subfile, SYMBOL_LINE (sym), valu);
- break;
-
- case DNTT_TYPE_BEGIN:
- /* Begin a new scope. */
- if (context_stack_depth == 1 /* this means we're at function level */ &&
- context_stack[0].name != NULL /* this means it's a function */ &&
- context_stack[0].depth == 0 /* this means it's the first BEGIN
- we've seen after the FUNCTION */
- )
- {
- /* This is the first BEGIN after a FUNCTION.
- * We ignore this one, since HP compilers always insert
- * at least one BEGIN, i.e. it's:
- *
- * FUNCTION
- * argument symbols
- * BEGIN
- * local symbols
- * (possibly nested BEGIN ... END's if there are inner { } blocks)
- * END
- * END
- *
- * By ignoring this first BEGIN, the local symbols get treated
- * as belonging to the function scope, and "print func::local_sym"
- * works (which is what we want).
- */
-
- /* All we do here is increase the depth count associated with
- * the FUNCTION entry in the context stack. This ensures that
- * the next BEGIN we see (if any), representing a real nested { }
- * block, will get processed.
- */
-
- context_stack[0].depth++;
-
- } else {
-
- /* Record lines up to this SLT pointer. */
- SL_INDEX (objfile) = hpread_record_lines (current_subfile,
- SL_INDEX (objfile),
- dn_bufp->dbegin.address,
- objfile, offset);
- /* Calculate start address of new scope */
- valu = hpread_get_location (dn_bufp->dbegin.address, objfile);
- valu += offset; /* Relocate for dynamic loading */
- /* We use the scope start DNTT index as nesting depth identifier! */
- desc = hpread_get_scope_start (dn_bufp->dbegin.address, objfile);
- new = push_context (desc, valu);
- }
- break;
-
- case DNTT_TYPE_END:
- /* End a scope. */
-
- /* Valid end kinds are:
- * MODULE
- * FUNCTION
- * WITH
- * COMMON
- * BEGIN
- * CLASS_SCOPE
- */
-
- SL_INDEX (objfile) = hpread_record_lines (current_subfile,
- SL_INDEX (objfile),
- dn_bufp->dend.address,
- objfile, offset);
- switch (dn_bufp->dend.endkind)
- {
- case DNTT_TYPE_MODULE:
- /* Ending a module ends the symbol table for that module.
- * Calling end_symtab() has the side effect of clearing the
- * last_source_file pointer, which in turn signals
- * process_one_debug_symbol() to treat the next DNTT_TYPE_SRCFILE
- * record as a module-begin.
- */
- valu = text_offset + text_size + offset;
-
- /* Tell our caller that we're done with expanding the
- * debug information for a module.
- */
- *at_module_boundary_p = 1;
-
- /* Don't do this, as our caller will do it!
- *
- * (void) end_symtab (valu, objfile, 0);
- */
- break;
-
- case DNTT_TYPE_FUNCTION:
- /* Ending a function, well, ends the function's scope. */
- dn_temp = hpread_get_lntt (dn_bufp->dend.beginscope.dnttp.index,
- objfile);
- valu = dn_temp->dfunc.hiaddr + offset;
- /* Insert func params into local list */
- merge_symbol_lists (&param_symbols, &local_symbols);
- new = pop_context ();
- /* Make a block for the local symbols within. */
- finish_block (new->name, &local_symbols, new->old_blocks,
- new->start_addr, valu, objfile);
- WITHIN_FUNCTION (objfile) = 0; /* This may have to change for Pascal */
- local_symbols = new->locals;
- param_symbols = new->params;
- break;
-
- case DNTT_TYPE_BEGIN:
- if (context_stack_depth == 1 &&
- context_stack[0].name != NULL &&
- context_stack[0].depth == 1)
- {
- /* This is the END corresponding to the
- * BEGIN which we ignored - see DNTT_TYPE_BEGIN case above.
- */
- context_stack[0].depth--;
- } else {
- /* Ending a local scope. */
- valu = hpread_get_location (dn_bufp->dend.address, objfile);
- /* Why in the hell is this needed? */
- valu += offset + 9; /* Relocate for dynamic loading */
- new = pop_context ();
- desc = dn_bufp->dend.beginscope.dnttp.index;
- if (desc != new->depth)
- complain (&lbrac_mismatch_complaint, (char *) symnum);
-
- /* Make a block for the local symbols within. */
- finish_block (new->name, &local_symbols, new->old_blocks,
- new->start_addr, valu, objfile);
- local_symbols = new->locals;
- param_symbols = new->params;
- }
- break;
-
- case DNTT_TYPE_WITH:
- /* Since we ignore the DNTT_TYPE_WITH that starts the scope,
- * we can ignore the DNTT_TYPE_END that ends it.
- */
- break;
-
- case DNTT_TYPE_COMMON:
- /* End a FORTRAN common block. We don't currently handle these */
- complain (&hpread_unhandled_end_common_complaint);
- break;
-
- case DNTT_TYPE_CLASS_SCOPE:
-
- /* pai: FIXME Not handling nested classes for now -- must
- * maintain a stack */
- class_scope_name = NULL;
-
-#if 0
- /* End a class scope */
- valu = hpread_get_location (dn_bufp->dend.address, objfile);
- /* Why in the hell is this needed? */
- valu += offset + 9; /* Relocate for dynamic loading */
- new = pop_context ();
- desc = dn_bufp->dend.beginscope.dnttp.index;
- if (desc != new->depth)
- complain (&lbrac_mismatch_complaint, (char *) symnum);
- /* Make a block for the local symbols within. */
- finish_block (new->name, &local_symbols, new->old_blocks,
- new->start_addr, valu, objfile);
- local_symbols = new->locals;
- param_symbols = new->params;
-#endif
- break;
-
- default:
- complain (&hpread_unexpected_end_complaint);
- break;
- }
- break;
-
- /* DNTT_TYPE_IMPORT is not handled */
-
- case DNTT_TYPE_LABEL:
- SYMBOL_NAMESPACE (sym) = LABEL_NAMESPACE;
- break;
-
- case DNTT_TYPE_FPARAM:
- /* Function parameters. */
- /* Note 1: This code was present in the 4.16 sources, and then
- removed, because fparams are handled in
- hpread_read_function_type(). However, while fparam symbols
- are indeed handled twice, this code here cannot be removed
- because then they don't get added to the local symbol list of
- the function's code block, which leads to a failure to look
- up locals, "this"-relative member names, etc. So I've put
- this code back in. pai/1997-07-21 */
- /* Note 2: To fix a defect, we stopped adding FPARAMS to local_symbols
- in hpread_read_function_type(), so FPARAMS had to be handled
- here. I changed the location to be the appropriate argument
- kinds rather than LOC_LOCAL. pai/1997-08-08 */
- /* Note 3: Well, the fix in Note 2 above broke argument printing
- in traceback frames, and further it makes assumptions about the
- order of the FPARAM entries from HP compilers (cc and aCC in particular
- generate them in reverse orders -- fixing one breaks for the other).
- So I've added code in hpread_read_function_type() to add fparams
- to a param_symbols list for the current context level. These are
- then merged into local_symbols when a function end is reached.
- pai/1997-08-11 */
-
- break; /* do nothing; handled in hpread_read_function_type() */
-
-#if 0 /* Old code */
- if (dn_bufp->dfparam.regparam)
- SYMBOL_CLASS (sym) = LOC_REGISTER;
- else if (dn_bufp->dfparam.indirect)
- SYMBOL_CLASS (sym) = LOC_REF_ARG;
- else
- SYMBOL_CLASS (sym) = LOC_ARG;
- SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
- if (dn_bufp->dfparam.copyparam)
- {
- SYMBOL_VALUE (sym) = dn_bufp->dfparam.location;
-#ifdef HPREAD_ADJUST_STACK_ADDRESS
- SYMBOL_VALUE (sym)
- += HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile));
-#endif
- }
- else
- SYMBOL_VALUE (sym) = dn_bufp->dfparam.location;
- SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dfparam.type, objfile);
- add_symbol_to_list (sym, &fparam_symbols);
- break;
-#endif
-
- case DNTT_TYPE_SVAR:
- /* Static variables. */
- SYMBOL_CLASS (sym) = LOC_STATIC;
-
- /* Note: There is a case that arises with globals in shared
- * libraries where we need to set the address to LOC_INDIRECT.
- * This case is if you have a global "g" in one library, and
- * it is referenced "extern <type> g;" in another library.
- * If we're processing the symbols for the referencing library,
- * we'll see a global "g", but in this case the address given
- * in the symbol table contains a pointer to the real "g".
- * We use the storage class LOC_INDIRECT to indicate this. RT
- */
- if (is_in_import_list (SYMBOL_NAME(sym), objfile))
- SYMBOL_CLASS (sym) = LOC_INDIRECT;
-
- SYMBOL_VALUE_ADDRESS (sym) = dn_bufp->dsvar.location + data_offset;
- SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dsvar.type, objfile);
-
- if (dn_bufp->dsvar.global)
- add_symbol_to_list (sym, &global_symbols);
-
- else if (WITHIN_FUNCTION (objfile))
- add_symbol_to_list (sym, &local_symbols);
-
- else
- add_symbol_to_list (sym, &file_symbols);
-
- if (dn_bufp->dsvar.thread_specific)
- {
- /* Thread-local variable.
- */
- SYMBOL_CLASS (sym) = LOC_THREAD_LOCAL_STATIC;
- SYMBOL_BASEREG (sym) = CR27_REGNUM;
-
- if( objfile->flags & OBJF_SHARED ) {
- /*
- * This variable is not only thread local but
- * in a shared library.
- *
- * Alas, the shared lib structures are private
- * to "somsolib.c". But C lets us point to one.
- */
- struct so_list *so;
-
- if( objfile->obj_private == NULL )
- error( "Internal error in reading shared library information." );
-
- so = ((obj_private_data_t *)(objfile->obj_private))->so_info;
- if( so == NULL )
- error( "Internal error in reading shared library information." );
-
- /* Thread-locals in shared libraries do NOT have the
- * standard offset ("data_offset"), so we re-calculate
- * where to look for this variable, using a call-back
- * to interpret the private shared-library data.
- */
- SYMBOL_VALUE_ADDRESS(sym) = dn_bufp->dsvar.location +
- so_lib_thread_start_addr( so );
- }
- }
- break;
-
- case DNTT_TYPE_DVAR:
- /* Dynamic variables. */
- if (dn_bufp->ddvar.regvar)
- SYMBOL_CLASS (sym) = LOC_REGISTER;
- else
- SYMBOL_CLASS (sym) = LOC_LOCAL;
-
- SYMBOL_VALUE (sym) = dn_bufp->ddvar.location;
-#ifdef HPREAD_ADJUST_STACK_ADDRESS
- SYMBOL_VALUE (sym)
- += HPREAD_ADJUST_STACK_ADDRESS (CURRENT_FUNCTION_VALUE (objfile));
-#endif
- SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->ddvar.type, objfile);
- if (dn_bufp->ddvar.global)
- add_symbol_to_list (sym, &global_symbols);
- else if (WITHIN_FUNCTION (objfile))
- add_symbol_to_list (sym, &local_symbols);
- else
- add_symbol_to_list (sym, &file_symbols);
- break;
-
- case DNTT_TYPE_CONST:
- /* A constant (pascal?). */
- SYMBOL_CLASS (sym) = LOC_CONST;
- SYMBOL_VALUE (sym) = dn_bufp->dconst.location;
- SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dconst.type, objfile);
- if (dn_bufp->dconst.global)
- add_symbol_to_list (sym, &global_symbols);
- else if (WITHIN_FUNCTION (objfile))
- add_symbol_to_list (sym, &local_symbols);
- else
- add_symbol_to_list (sym, &file_symbols);
- break;
-
- case DNTT_TYPE_TYPEDEF:
- /* A typedef. We do want to process these, since a name is
- * added to the namespace for the typedef'ed name.
- */
- SYMBOL_NAMESPACE (sym) = VAR_NAMESPACE;
- SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dtype.type, objfile);
- if (dn_bufp->dtype.global)
- add_symbol_to_list (sym, &global_symbols);
- else if (WITHIN_FUNCTION (objfile))
- add_symbol_to_list (sym, &local_symbols);
- else
- add_symbol_to_list (sym, &file_symbols);
- break;
-
- case DNTT_TYPE_TAGDEF:
- {
- int global = dn_bufp->dtag.global;
- /* Structure, union, enum, template, or class tag definition */
- /* We do want to process these, since a name is
- * added to the namespace for the tag name (and if C++ class,
- * for the typename also).
- */
- SYMBOL_NAMESPACE (sym) = STRUCT_NAMESPACE;
-
- /* The tag contains in its "type" field a pointer to the
- * DNTT_TYPE_STRUCT, DNTT_TYPE_UNION, DNTT_TYPE_ENUM,
- * DNTT_TYPE_CLASS or DNTT_TYPE_TEMPLATE
- * record that actually defines the type.
- */
- SYMBOL_TYPE (sym) = hpread_type_lookup (dn_bufp->dtype.type, objfile);
- TYPE_NAME (sym->type) = SYMBOL_NAME (sym);
- TYPE_TAG_NAME (sym->type) = SYMBOL_NAME (sym);
- if (dn_bufp->dtag.global)
- add_symbol_to_list (sym, &global_symbols);
- else if (WITHIN_FUNCTION (objfile))
- add_symbol_to_list (sym, &local_symbols);
- else
- add_symbol_to_list (sym, &file_symbols);
-
- /* If this is a C++ class, then we additionally
- * need to define a typedef for the
- * class type. E.g., so that the name "c" becomes visible as
- * a type name when the user says "class c { ... }".
- * In order to figure this out, we need to chase down the "type"
- * field to get to the DNTT_TYPE_CLASS record.
- *
- * We also add the typename for ENUM. Though this isn't
- * strictly correct, it is necessary because of the debug info
- * generated by the aCC compiler, in which we cannot
- * distinguish between:
- * enum e { ... };
- * and
- * typedef enum { ... } e;
- * I.e., the compiler emits the same debug info for the above
- * two cases, in both cases "e" appearing as a tagdef.
- * Therefore go ahead and generate the typename so that
- * "ptype e" will work in the above cases.
- *
- * We also add the typename for TEMPLATE, so as to allow "ptype t"
- * when "t" is a template name.
- */
- if (dn_bufp->dtype.type.dnttp.index < LNTT_SYMCOUNT (objfile))
- dn_bufp = hpread_get_lntt (dn_bufp->dtag.type.dnttp.index, objfile);
- else {
- complain (&hpread_tagdef_complaint);
- return;
- }
- if (dn_bufp->dblock.kind == DNTT_TYPE_CLASS ||
- dn_bufp->dblock.kind == DNTT_TYPE_ENUM ||
- dn_bufp->dblock.kind == DNTT_TYPE_TEMPLATE) {
- struct symbol *newsym;
-
- newsym = (struct symbol *) obstack_alloc (&objfile->symbol_obstack,
- sizeof (struct symbol));
- memset (newsym, 0, sizeof (struct symbol));
- SYMBOL_NAME (newsym) = name;
- SYMBOL_LANGUAGE (newsym) = language_auto;
- SYMBOL_NAMESPACE (newsym) = VAR_NAMESPACE;
- SYMBOL_LINE (newsym) = 0;
- SYMBOL_VALUE (newsym) = 0;
- SYMBOL_CLASS (newsym) = LOC_TYPEDEF;
- SYMBOL_TYPE (newsym) = sym->type;
- if (global)
- add_symbol_to_list (newsym, &global_symbols);
- else if (WITHIN_FUNCTION (objfile))
- add_symbol_to_list (newsym, &local_symbols);
- else
- add_symbol_to_list (newsym, &file_symbols);
- }
- }
- break;
-
- case DNTT_TYPE_POINTER:
- /* Declares a pointer type. Should not be necessary to do anything
- * with the type at this level; these are processed
- * at the hpread_type_lookup() level.
- */
- break;
-
- case DNTT_TYPE_ENUM:
- /* Declares an enum type. Should not be necessary to do anything
- * with the type at this level; these are processed
- * at the hpread_type_lookup() level.
- */
- break;
-
- case DNTT_TYPE_MEMENUM:
- /* Member of enum */
- /* Ignored at this level, but hpread_read_enum_type() will take
- * care of walking the list of enumeration members.
- */
- break;
-
- case DNTT_TYPE_SET:
- /* Declares a set type. Should not be necessary to do anything
- * with the type at this level; these are processed
- * at the hpread_type_lookup() level.
- */
- break;
-
- case DNTT_TYPE_SUBRANGE:
- /* Declares a subrange type. Should not be necessary to do anything
- * with the type at this level; these are processed
- * at the hpread_type_lookup() level.
- */
- break;
-
- case DNTT_TYPE_ARRAY:
- /* Declares an array type. Should not be necessary to do anything
- * with the type at this level; these are processed
- * at the hpread_type_lookup() level.
- */
- break;
-
- case DNTT_TYPE_STRUCT:
- case DNTT_TYPE_UNION:
- /* Declares an struct/union type.
- * Should not be necessary to do anything
- * with the type at this level; these are processed
- * at the hpread_type_lookup() level.
- */
- break;
-
- case DNTT_TYPE_FIELD:
- /* Structure/union/class field */
- /* Ignored at this level, but hpread_read_struct_type() will take
- * care of walking the list of structure/union/class members.
- */
- break;
-
- /* DNTT_TYPE_VARIANT is not handled by GDB */
-
- /* DNTT_TYPE_FILE is not handled by GDB */
-
- case DNTT_TYPE_FUNCTYPE:
- /* Function type */
- /* Ignored at this level, handled within hpread_type_lookup() */
- break;
-
- case DNTT_TYPE_WITH:
- /* This is emitted within methods to indicate "with <class>"
- * scoping rules (i.e., indicate that the class data members
- * are directly visible).
- * However, since GDB already infers this by looking at the
- * "this" argument, interpreting the DNTT_TYPE_WITH
- * symbol record is unnecessary.
- */
- break;
-
- case DNTT_TYPE_COMMON:
- /* FORTRAN common. Not yet handled. */
- complain (&hpread_unhandled_common_complaint);
- break;
-
- /* DNTT_TYPE_COBSTRUCT is not handled by GDB. */
- /* DNTT_TYPE_XREF is not handled by GDB. */
- /* DNTT_TYPE_SA is not handled by GDB. */
- /* DNTT_TYPE_MACRO is not handled by GDB */
-
- case DNTT_TYPE_BLOCKDATA:
- /* Not sure what this is - part of FORTRAN support maybe?
- * Anyway, not yet handled.
- */
- complain (&hpread_unhandled_blockdata_complaint);
- break;
-
- case DNTT_TYPE_CLASS_SCOPE:
-
-
-
- /* The compiler brackets member functions with a CLASS_SCOPE/END
- * pair of records, presumably to put them in a different scope
- * from the module scope where they are normally defined.
- * E.g., in the situation:
- * void f() { ... }
- * void c::f() { ...}
- * The member function "c::f" will be bracketed by a CLASS_SCOPE/END.
- * This causes "break f" at the module level to pick the
- * the file-level function f(), not the member function
- * (which needs to be referenced via "break c::f").
- *
- * Here we record the class name to generate the demangled names of
- * member functions later.
- *
- * FIXME Not being used now for anything -- cplus_demangle seems
- * enough for getting the class-qualified names of functions. We
- * may need this for handling nested classes and types. */
-
- /* pai: FIXME Not handling nested classes for now -- need to
- * maintain a stack */
-
- dn_temp = hpread_get_lntt (dn_bufp->dclass_scope.type.dnttp.index, objfile);
- if (dn_temp->dblock.kind == DNTT_TYPE_TAGDEF)
- class_scope_name = VT (objfile) + dn_temp->dtag.name;
- else
- class_scope_name = NULL;
-
-#if 0
-
- /* Begin a new scope. */
- SL_INDEX (objfile) = hpread_record_lines (current_subfile,
- SL_INDEX (objfile),
- dn_bufp->dclass_scope.address,
- objfile, offset);
- valu = hpread_get_location (dn_bufp->dclass_scope.address, objfile);
- valu += offset; /* Relocate for dynamic loading */
- desc = hpread_get_scope_start (dn_bufp->dclass_scope.address, objfile);
- /* We use the scope start DNTT index as the nesting depth identifier! */
- new = push_context (desc, valu);
-#endif
- break;
-
- case DNTT_TYPE_REFERENCE:
- /* Declares a C++ reference type. Should not be necessary to do anything
- * with the type at this level; these are processed
- * at the hpread_type_lookup() level.
- */
- break;
-
- case DNTT_TYPE_PTRMEM:
- /* Declares a C++ pointer-to-data-member type. This does not
- * need to be handled at this level; being a type description it
- * is instead handled at the hpread_type_lookup() level.
- */
- break;
-
- case DNTT_TYPE_PTRMEMFUNC:
- /* Declares a C++ pointer-to-function-member type. This does not
- * need to be handled at this level; being a type description it
- * is instead handled at the hpread_type_lookup() level.
- */
- break;
-
- case DNTT_TYPE_CLASS:
- /* Declares a class type.
- * Should not be necessary to do anything
- * with the type at this level; these are processed
- * at the hpread_type_lookup() level.
- */
- break;
-
- case DNTT_TYPE_GENFIELD:
- /* I believe this is used for class member functions */
- /* Ignored at this level, but hpread_read_struct_type() will take
- * care of walking the list of class members.
- */
- break;
-
- case DNTT_TYPE_VFUNC:
- /* Virtual function */
- /* This does not have to be handled at this level; handled in
- * the course of processing class symbols.
- */
- break;
-
- case DNTT_TYPE_MEMACCESS:
- /* DDE ignores this symbol table record.
- * It has something to do with "modified access" to class members.
- * I'll assume we can safely ignore it too.
- */
- break;
-
- case DNTT_TYPE_INHERITANCE:
- /* These don't have to be handled here, since they are handled
- * within hpread_read_struct_type() in the process of constructing
- * a class type.
- */
- break;
-
- case DNTT_TYPE_FRIEND_CLASS:
- case DNTT_TYPE_FRIEND_FUNC:
- /* These can safely be ignored, as GDB doesn't need this
- * info. DDE only uses it in "describe". We may later want
- * to extend GDB's "ptype" to give this info, but for now
- * it seems safe enough to ignore it.
- */
- break;
-
- case DNTT_TYPE_MODIFIER:
- /* Intended to supply "modified access" to a type */
- /* From the way DDE handles this, it looks like it always
- * modifies a type. Therefore it is safe to ignore it at this
- * level, and handle it in hpread_type_lookup().
- */
- break;
-
- case DNTT_TYPE_OBJECT_ID:
- /* Just ignore this - that's all DDE does */
- break;
-
- case DNTT_TYPE_MEMFUNC:
- /* Member function */
- /* This does not have to be handled at this level; handled in
- * the course of processing class symbols.
- */
- break;
-
- case DNTT_TYPE_DOC_MEMFUNC:
- /* Member function */
- /* This does not have to be handled at this level; handled in
- * the course of processing class symbols.
- */
- break;
-
- case DNTT_TYPE_TEMPLATE:
- /* Template - sort of the header for a template definition,
- * which like a class, points to a member list and also points
- * to a TEMPLATE_ARG list of type-arguments.
- * We do not need to process TEMPLATE records at this level though.
- */
- break;
-
- case DNTT_TYPE_TEMPLATE_ARG:
- /* The TEMPLATE record points to an argument list of
- * TEMPLATE_ARG records, each of which describes one
- * of the type-arguments.
- * We do not need to process TEMPLATE_ARG records at this level though.
- */
- break;
-
- case DNTT_TYPE_FUNC_TEMPLATE:
- /* This will get emitted for member functions of templates.
- * But we don't need to process this record at this level though,
- * we will process it in the course of processing a TEMPLATE
- * record.
- */
- break;
-
- case DNTT_TYPE_LINK:
- /* The LINK record is used to link up templates with instantiations. */
- /* It is not clear why this is needed, and furthermore aCC does
- * not appear to generate this, so I think we can safely ignore it. - RT
- */
- break;
-
- /* DNTT_TYPE_DYN_ARRAY_DESC is not handled by GDB */
- /* DNTT_TYPE_DESC_SUBRANGE is not handled by GDB */
- /* DNTT_TYPE_BEGIN_EXT is not handled by GDB */
- /* DNTT_TYPE_INLN is not handled by GDB */
- /* DNTT_TYPE_INLN_LIST is not handled by GDB */
- /* DNTT_TYPE_ALIAS is not handled by GDB */
-
- default:
- break;
- }
-}
-
-/* Get nesting depth for a DNTT entry.
- * DN_BUFP points to a DNTT entry.
- * OBJFILE is the object file.
- * REPORT_NESTED is a flag; if 0, real nesting depth is
- * reported, if it is 1, the function simply returns a
- * non-zero value if the nesting depth is anything > 0.
- *
- * Return value is an integer. 0 => not a local type / name
- * positive return => type or name is local to some
- * block or function.
- */
-
-
-/* elz: ATTENTION: FIXME: NOTE: WARNING!!!!
- this function now returns 0 right away. It was taking too much time
- at start up. Now, though, the local types are not handled correctly.
-*/
-
-
-static int
-hpread_get_scope_depth (dn_bufp, objfile, report_nested)
- union dnttentry * dn_bufp;
- struct objfile * objfile;
- int report_nested;
-{
- register int index;
- register union dnttentry * dn_tmp;
- register short depth = 0;
-/****************************/
- return 0;
-/****************************/
-
- index = (((char *) dn_bufp) - LNTT (objfile)) / (sizeof (struct dntt_type_block));
-
- while (--index >= 0)
- {
- dn_tmp = hpread_get_lntt (index, objfile);
- switch (dn_tmp->dblock.kind)
- {
- case DNTT_TYPE_MODULE:
- return depth;
- case DNTT_TYPE_END:
- /* index is signed int; dnttp.index is 29-bit unsigned int! */
- index = (int) dn_tmp->dend.beginscope.dnttp.index;
- break;
- case DNTT_TYPE_BEGIN:
- case DNTT_TYPE_FUNCTION:
- case DNTT_TYPE_DOC_FUNCTION:
- case DNTT_TYPE_WITH:
- case DNTT_TYPE_COMMON:
- case DNTT_TYPE_CLASS_SCOPE:
- depth++;
- if (report_nested)
- return 1;
- break;
- default:
- break;
- }
- }
- return depth;
-}
-
-/* Adjust the bitoffsets for all fields of an anonymous union of
- type TYPE by negative BITS. This handles HP aCC's hideous habit
- of giving members of anonymous unions bit offsets relative to the
- enclosing structure instead of relative to the union itself. */
-
-static void
-hpread_adjust_bitoffsets (type, bits)
- struct type * type;
- int bits;
-{
- register int i;
-
- /* This is done only for unions; caller had better check that
- it is an anonymous one. */
- if (TYPE_CODE (type) != TYPE_CODE_UNION)
- return;
-
- /* Adjust each field; since this is a union, there are no base
- classes. Also no static membes. Also, no need for recursion as
- the members of this union if themeselves structs or unions, have
- the correct bitoffsets; if an anonymous union is a member of this
- anonymous union, the code in hpread_read_struct_type() will
- adjust for that. */
-
- for (i = 0; i < TYPE_NFIELDS (type); i++)
- TYPE_FIELD_BITPOS (type, i) -= bits;
-}
-
-/* Because of quirks in HP compilers' treatment of anonymous unions inside
- classes, we have to chase through a chain of threaded FIELD entries.
- If we encounter an anonymous union in the chain, we must recursively skip over
- that too.
-
- This function does a "next" in the chain of FIELD entries, but transparently
- skips over anonymous unions' fields (recursively).
-
- Inputs are the number of times to do "next" at the top level, the dnttpointer
- (FIELD) and entry pointer (FIELDP) for the dntt record corresponding to it,
- and the ubiquitous objfile parameter. (Note: FIELDP is a **.) Return value
- is a dnttpointer for the new field after all the skipped ones */
-
-static dnttpointer
-hpread_get_next_skip_over_anon_unions (skip_fields, field, fieldp, objfile)
- int skip_fields;
- dnttpointer field;
- union dnttentry ** fieldp;
- struct objfile * objfile;
-{
- struct type * anon_type;
- register int i;
- int bitoffset;
- char * name;
-
- for (i=0; i < skip_fields; i++)
- {
- /* Get type of item we're looking at now; recursively processes the types
- of these intermediate items we skip over, so they aren't lost. */
- anon_type = hpread_type_lookup ((*fieldp)->dfield.type, objfile);
- anon_type = CHECK_TYPEDEF (anon_type);
- bitoffset = (*fieldp)->dfield.bitoffset;
- name = VT (objfile) + (*fieldp)->dfield.name;
- /* First skip over one item to avoid stack death on recursion */
- field = (*fieldp)->dfield.nextfield;
- *fieldp = hpread_get_lntt (field.dnttp.index, objfile);
- /* Do we have another anonymous union? If so, adjust the bitoffsets
- of its members and skip over its members. */
- if ((TYPE_CODE (anon_type) == TYPE_CODE_UNION) &&
- (!name || STREQ (name, "")))
- {
- hpread_adjust_bitoffsets (anon_type, bitoffset);
- field = hpread_get_next_skip_over_anon_unions (TYPE_NFIELDS (anon_type), field, fieldp, objfile);
- }
- }
- return field;
-}
-
-