diff options
| author |   Elena Zannoni <ezannoni@kwikemart.cygnus.com> | 2002-01-24 03:44:10 +0000 |
|---|---|---|
| committer | Elena Zannoni <ezannoni@kwikemart.cygnus.com> | 2002-01-24 03:44:10 +0000 |
| commit | 8af51c360e7b5902a27f92cf57327c472f0f365a (patch) | |
| tree | 83054839cfcf3c10482fd2f15a6b32de496cf310 /gdb/hp-symtab-read.c | |
| parent | copyright years (diff) | |
| download | binutils-gdb-8af51c360e7b5902a27f92cf57327c472f0f365a.tar.gz binutils-gdb-8af51c360e7b5902a27f92cf57327c472f0f365a.tar.bz2 binutils-gdb-8af51c360e7b5902a27f92cf57327c472f0f365a.zip | |
2002-01-23 Elena Zannoni <ezannoni@redhat.com>
* Makefile.in (hpread_h): Delete.
(HFILES_NO_SRCDIR): Remove hpread.h.
(ALLDEPFILES): Remove hp-psymtab-read.c and hp-symtab-read.c.
(hpread.o): Update dependencies.
(hp-psymtab-read.o, hp-symtab-read.o): Remove.
* hp-psymtab-read.c: Remove file.
* hp-symtab-read.c: Remove file.
* hpread.h: Remove file.
* hpread.c: Merge all contents of hp-psymtab-read.c,
hp-symtab-read.c and hpread.h into this file, as it was prior to
January 1999.
* config/pa/hpux11w.mh, config/pa/hpux11.mh,
config/pa/hpux1020.mh, config/pa/hppaosf.mh,
config/pa/hppahpux.mh, config/pa/hppabsd.mh (NATDEPFILES):
Remove hp-psymtab-read.o and hp-symtab-read.o, add hpread.o.
Diffstat (limited to 'gdb/hp-symtab-read.c')
| -rw-r--r-- | gdb/hp-symtab-read.c | 3979 |
1 files changed, 0 insertions, 3979 deletions
diff --git a/gdb/hp-symtab-read.c b/gdb/hp-symtab-read.c deleted file mode 100644 index f5e1bd4ad95..00000000000 --- a/gdb/hp-symtab-read.c +++ /dev/null @@ -1,3979 +0,0 @@ -/* Read hp debug symbols and convert to internal format, for GDB. - Copyright 1993, 1996, 1998, 1999, 2000, 2001, 2002 - 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 (sltpointer, struct objfile *); - -static unsigned long hpread_get_line (sltpointer, struct objfile *); - -static CORE_ADDR hpread_get_location (sltpointer, struct objfile *); - -static void hpread_psymtab_to_symtab_1 (struct partial_symtab *); - -void hpread_psymtab_to_symtab (struct partial_symtab *); - -static struct symtab *hpread_expand_symtab - (struct objfile *, int, int, CORE_ADDR, int, - struct section_offsets *, char *); - -static int hpread_type_translate (dnttpointer); - -static struct type **hpread_lookup_type (dnttpointer, struct objfile *); - -static struct type *hpread_alloc_type (dnttpointer, struct objfile *); - -static struct type *hpread_read_enum_type - (dnttpointer, union dnttentry *, struct objfile *); - -static struct type *hpread_read_function_type - (dnttpointer, union dnttentry *, struct objfile *, int); - -static struct type *hpread_read_doc_function_type - (dnttpointer, union dnttentry *, struct objfile *, int); - -static struct type *hpread_read_struct_type - (dnttpointer, union dnttentry *, struct objfile *); - -static struct type *hpread_get_nth_template_arg (struct objfile *, int); - -static struct type *hpread_read_templ_arg_type - (dnttpointer, union dnttentry *, struct objfile *, char *); - -static struct type *hpread_read_set_type - (dnttpointer, union dnttentry *, struct objfile *); - -static struct type *hpread_read_array_type - (dnttpointer, union dnttentry *dn_bufp, struct objfile *objfile); - -static struct type *hpread_read_subrange_type - (dnttpointer, union dnttentry *, struct objfile *); - -static struct type *hpread_type_lookup (dnttpointer, struct objfile *); - -static sltpointer hpread_record_lines - (struct subfile *, sltpointer, sltpointer, struct objfile *, CORE_ADDR); - -static void hpread_process_one_debug_symbol - (union dnttentry *, char *, struct section_offsets *, - struct objfile *, CORE_ADDR, int, char *, int, int *); - -static int hpread_get_scope_depth (union dnttentry *, struct objfile *, int); - -static void fix_static_member_physnames - (struct type *, char *, struct objfile *); - -static void fixup_class_method_type - (struct type *, struct type *, struct objfile *); - -static void hpread_adjust_bitoffsets (struct type *, int); - -static dnttpointer hpread_get_next_skip_over_anon_unions - (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 (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 (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 (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 (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 (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 (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 (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, SECT_OFF_TEXT (objfile)); -} - - - - -/* Convert basic types from HP debug format into GDB internal format. */ - -static int -hpread_type_translate (dnttpointer typep) -{ - if (!typep.dntti.immediate) - { - error ("error in hpread_type_translate\n."); - return FT_VOID; - } - - 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 (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 (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 (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 (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_ARTIFICIAL (type, n) = 0; - 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 (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_ARTIFICIAL (type, n) = 0; - 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 (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", - fieldp->dblock.kind); - 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; - - /* Fix up any cv-qualified versions of this type. */ - finish_cv_type (type); - - 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 (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 (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 (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 (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 (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 (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 NULL; - } - 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 (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 (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 NULL; - } - - 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 (struct subfile *subfile, sltpointer s_idx, - sltpointer 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 (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 (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 (objfile)); - int data_offset = ANOFFSET (section_offsets, SECT_OFF_DATA (objfile)); - union dnttentry *dn_temp; - dnttpointer hp_type; - struct symbol *sym; - struct context_stack *new; - char *class_scope_name; - - /* 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 (¶m_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 (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 (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 (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; -} |