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authorStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
committerStan Shebs <shebs@codesourcery.com>1999-04-16 01:35:26 +0000
commitc906108c21474dfb4ed285bcc0ac6fe02cd400cc (patch)
treea0015aa5cedc19ccbab307251353a41722a3ae13 /gdb/hp-symtab-read.c
parentcd946cff9ede3f30935803403f06f6ed30cad136 (diff)
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Initial creation of sourceware repositorygdb-4_18-branchpoint
Diffstat (limited to 'gdb/hp-symtab-read.c')
-rw-r--r--gdb/hp-symtab-read.c3988
1 files changed, 3988 insertions, 0 deletions
diff --git a/gdb/hp-symtab-read.c b/gdb/hp-symtab-read.c
new file mode 100644
index 0000000..90d4a10
--- /dev/null
+++ b/gdb/hp-symtab-read.c
@@ -0,0 +1,3988 @@
+/* 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;
+}
+
+