+/* Some useful macros */
+#define VALID_FILE(i) ((i) < pxdb_header_p->fd_entries)
+#define VALID_MODULE(i) ((i) < pxdb_header_p->md_entries)
+#define VALID_PROC(i) ((i) < pxdb_header_p->pd_entries)
+#define VALID_CLASS(i) ((i) < pxdb_header_p->cd_entries)
+
+#define FILE_START(i) (qFD[i].adrStart)
+#define MODULE_START(i) (qMD[i].adrStart)
+#define PROC_START(i) (qPD[i].adrStart)
+
+#define FILE_END(i) (qFD[i].adrEnd)
+#define MODULE_END(i) (qMD[i].adrEnd)
+#define PROC_END(i) (qPD[i].adrEnd)
+
+#define FILE_ISYM(i) (qFD[i].isym)
+#define MODULE_ISYM(i) (qMD[i].isym)
+#define PROC_ISYM(i) (qPD[i].isym)
+
+#define VALID_CURR_FILE (curr_fd < pxdb_header_p->fd_entries)
+#define VALID_CURR_MODULE (curr_md < pxdb_header_p->md_entries)
+#define VALID_CURR_PROC (curr_pd < pxdb_header_p->pd_entries)
+#define VALID_CURR_CLASS (curr_cd < pxdb_header_p->cd_entries)
+
+#define CURR_FILE_START (qFD[curr_fd].adrStart)
+#define CURR_MODULE_START (qMD[curr_md].adrStart)
+#define CURR_PROC_START (qPD[curr_pd].adrStart)
+
+#define CURR_FILE_END (qFD[curr_fd].adrEnd)
+#define CURR_MODULE_END (qMD[curr_md].adrEnd)
+#define CURR_PROC_END (qPD[curr_pd].adrEnd)
+
+#define CURR_FILE_ISYM (qFD[curr_fd].isym)
+#define CURR_MODULE_ISYM (qMD[curr_md].isym)
+#define CURR_PROC_ISYM (qPD[curr_pd].isym)
+
+#define TELL_OBJFILE \
+ do { \
+ if( !told_objfile ) { \
+ told_objfile = 1; \
+ warning (_("\nIn object file \"%s\":"), \
+ objfile->name); \
+ } \
+ } while (0)
+\f
+
+
+/* Keeping track of the start/end symbol table (LNTT) indices of
+ psymtabs created so far */
+
+typedef struct
+{
+ int start;
+ int end;
+}
+pst_syms_struct;
+
+static pst_syms_struct *pst_syms_array = 0;
+
+static int pst_syms_count = 0;
+static int pst_syms_size = 0;
+
+/* used by the TELL_OBJFILE macro */
+static int told_objfile = 0;
+
+/* Set up psymtab symbol index stuff */
+static void
+init_pst_syms (void)
+{
+ pst_syms_count = 0;
+ pst_syms_size = 20;
+ pst_syms_array = (pst_syms_struct *) xmalloc (20 * sizeof (pst_syms_struct));
+}
+
+/* Clean up psymtab symbol index stuff */
+static void
+clear_pst_syms (void)
+{
+ pst_syms_count = 0;
+ pst_syms_size = 0;
+ xfree (pst_syms_array);
+ pst_syms_array = 0;
+}
+
+/* Add information about latest psymtab to symbol index table */
+static void
+record_pst_syms (int start_sym, int end_sym)
+{
+ if (++pst_syms_count > pst_syms_size)
+ {
+ pst_syms_array = (pst_syms_struct *) xrealloc (pst_syms_array,
+ 2 * pst_syms_size * sizeof (pst_syms_struct));
+ pst_syms_size *= 2;
+ }
+ pst_syms_array[pst_syms_count - 1].start = start_sym;
+ pst_syms_array[pst_syms_count - 1].end = end_sym;
+}
+
+/* Find a suitable symbol table index which can serve as the upper
+ bound of a psymtab that starts at INDEX
+
+ This scans backwards in the psymtab symbol index table to find a
+ "hole" in which the given index can fit. This is a heuristic!!
+ We don't search the entire table to check for multiple holes,
+ we don't care about overlaps, etc.
+
+ Return 0 => not found */
+static int
+find_next_pst_start (int index)
+{
+ int i;
+
+ for (i = pst_syms_count - 1; i >= 0; i--)
+ if (pst_syms_array[i].end <= index)
+ return (i == pst_syms_count - 1) ? 0 : pst_syms_array[i + 1].start - 1;
+
+ if (pst_syms_array[0].start > index)
+ return pst_syms_array[0].start - 1;
+
+ return 0;
+}
+\f
+
+
+/* Utility functions to find the ending symbol index for a psymtab */
+
+/* Find the next file entry that begins beyond INDEX, and return
+ its starting symbol index - 1.
+ QFD is the file table, CURR_FD is the file entry from where to start,
+ PXDB_HEADER_P as in hpread_quick_traverse (to allow macros to work).
+
+ Return 0 => not found */
+static int
+find_next_file_isym (int index, quick_file_entry *qFD, int curr_fd,
+ PXDB_header_ptr pxdb_header_p)
+{
+ while (VALID_CURR_FILE)
+ {
+ if (CURR_FILE_ISYM >= index)
+ return CURR_FILE_ISYM - 1;
+ curr_fd++;
+ }
+ return 0;
+}
+
+/* Find the next procedure entry that begins beyond INDEX, and return
+ its starting symbol index - 1.
+ QPD is the procedure table, CURR_PD is the proc entry from where to start,
+ PXDB_HEADER_P as in hpread_quick_traverse (to allow macros to work).
+
+ Return 0 => not found */
+static int
+find_next_proc_isym (int index, quick_procedure_entry *qPD, int curr_pd,
+ PXDB_header_ptr pxdb_header_p)
+{
+ while (VALID_CURR_PROC)
+ {
+ if (CURR_PROC_ISYM >= index)
+ return CURR_PROC_ISYM - 1;
+ curr_pd++;
+ }
+ return 0;
+}
+
+/* Find the next module entry that begins beyond INDEX, and return
+ its starting symbol index - 1.
+ QMD is the module table, CURR_MD is the modue entry from where to start,
+ PXDB_HEADER_P as in hpread_quick_traverse (to allow macros to work).
+
+ Return 0 => not found */
+static int
+find_next_module_isym (int index, quick_module_entry *qMD, int curr_md,
+ PXDB_header_ptr pxdb_header_p)
+{
+ while (VALID_CURR_MODULE)
+ {
+ if (CURR_MODULE_ISYM >= index)
+ return CURR_MODULE_ISYM - 1;
+ curr_md++;
+ }
+ return 0;
+}
+
+/* Scan and record partial symbols for all functions starting from index
+ pointed to by CURR_PD_P, and between code addresses START_ADR and END_ADR.
+ Other parameters are explained in comments below. */
+
+/* This used to be inline in hpread_quick_traverse, but now that we do
+ essentially the same thing for two different cases (modules and
+ module-less files), it's better organized in a separate routine,
+ although it does take lots of arguments. pai/1997-10-08
+
+ CURR_PD_P is the pointer to the current proc index. QPD is the
+ procedure quick lookup table. MAX_PROCS is the number of entries
+ in the proc. table. START_ADR is the beginning of the code range
+ for the current psymtab. end_adr is the end of the code range for
+ the current psymtab. PST is the current psymtab. VT_bits is
+ a pointer to the strings table of SOM debug space. OBJFILE is
+ the current object file. */
+
+static int
+scan_procs (int *curr_pd_p, quick_procedure_entry *qPD, int max_procs,
+ CORE_ADDR start_adr, CORE_ADDR end_adr, struct partial_symtab *pst,
+ char *vt_bits, struct objfile *objfile)
+{
+ union dnttentry *dn_bufp;
+ int symbol_count = 0; /* Total number of symbols in this psymtab */
+ int curr_pd = *curr_pd_p; /* Convenience variable -- avoid dereferencing pointer all the time */
+
+#ifdef DUMPING
+ /* Turn this on for lots of debugging information in this routine */
+ static int dumping = 0;
+#endif
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("Scan_procs called, addresses %x to %x, proc %x\n", start_adr, end_adr, curr_pd);
+ }
+#endif
+
+ while ((CURR_PROC_START <= end_adr) && (curr_pd < max_procs))
+ {
+
+ char *rtn_name; /* mangled name */
+ char *rtn_dem_name; /* qualified demangled name */
+ char *class_name;
+ int class;
+
+ if ((trans_lang ((enum hp_language) qPD[curr_pd].language) == language_cplus) &&
+ vt_bits[(long) qPD[curr_pd].sbAlias]) /* not a null string */
+ {
+ /* Get mangled name for the procedure, and demangle it */
+ rtn_name = &vt_bits[(long) qPD[curr_pd].sbAlias];
+ rtn_dem_name = cplus_demangle (rtn_name, DMGL_ANSI | DMGL_PARAMS);
+ }
+ else
+ {
+ rtn_name = &vt_bits[(long) qPD[curr_pd].sbProc];
+ rtn_dem_name = NULL;
+ }
+
+ /* Hack to get around HP C/C++ compilers' insistence on providing
+ "_MAIN_" as an alternate name for "main" */
+ if ((strcmp (rtn_name, "_MAIN_") == 0) &&
+ (strcmp (&vt_bits[(long) qPD[curr_pd].sbProc], "main") == 0))
+ rtn_dem_name = rtn_name = main_string;
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("..add %s (demangled %s), index %x to this psymtab\n", rtn_name, rtn_dem_name, curr_pd);
+ }
+#endif
+
+ /* Check for module-spanning routines. */
+ if (CURR_PROC_END > end_adr)
+ {
+ TELL_OBJFILE;
+ warning (_("Procedure \"%s\" [0x%x] spans file or module boundaries."), rtn_name, curr_pd);
+ }
+
+ /* Add this routine symbol to the list in the objfile.
+ Unfortunately we have to go to the LNTT to determine the
+ correct list to put it on. An alternative (which the
+ code used to do) would be to not check and always throw
+ it on the "static" list. But if we go that route, then
+ symbol_lookup() needs to be tweaked a bit to account
+ for the fact that the function might not be found on
+ the correct list in the psymtab. - RT */
+ dn_bufp = hpread_get_lntt (qPD[curr_pd].isym, objfile);
+ if (dn_bufp->dfunc.global)
+ add_psymbol_with_dem_name_to_list (rtn_name,
+ strlen (rtn_name),
+ rtn_dem_name,
+ strlen (rtn_dem_name),
+ VAR_DOMAIN,
+ LOC_BLOCK, /* "I am a routine" */
+ &objfile->global_psymbols,
+ (qPD[curr_pd].adrStart + /* Starting address of rtn */
+ ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))),
+ 0, /* core addr?? */
+ trans_lang ((enum hp_language) qPD[curr_pd].language),
+ objfile);
+ else
+ add_psymbol_with_dem_name_to_list (rtn_name,
+ strlen (rtn_name),
+ rtn_dem_name,
+ strlen (rtn_dem_name),
+ VAR_DOMAIN,
+ LOC_BLOCK, /* "I am a routine" */
+ &objfile->static_psymbols,
+ (qPD[curr_pd].adrStart + /* Starting address of rtn */
+ ANOFFSET (objfile->section_offsets, SECT_OFF_TEXT (objfile))),
+ 0, /* core addr?? */
+ trans_lang ((enum hp_language) qPD[curr_pd].language),
+ objfile);
+
+ symbol_count++;
+ *curr_pd_p = ++curr_pd; /* bump up count & reflect in caller */
+ } /* loop over procedures */
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ if (symbol_count == 0)
+ printf ("Scan_procs: no symbols found!\n");
+ }
+#endif
+
+ return symbol_count;
+}
+
+
+/* Traverse the quick look-up tables, building a set of psymtabs.
+
+ This constructs a psymtab for modules and files in the quick lookup
+ tables.
+
+ Mostly, modules correspond to compilation units, so we try to
+ create psymtabs that correspond to modules; however, in some cases
+ a file can result in a compiled object which does not have a module
+ entry for it, so in such cases we create a psymtab for the file. */
+
+static int
+hpread_quick_traverse (struct objfile *objfile, char *gntt_bits,
+ char *vt_bits, PXDB_header_ptr pxdb_header_p)
+{
+ struct partial_symtab *pst;
+
+ char *addr;
+
+ quick_procedure_entry *qPD;
+ quick_file_entry *qFD;
+ quick_module_entry *qMD;
+ quick_class_entry *qCD;
+
+ int idx;
+ int i;
+ CORE_ADDR start_adr; /* current psymtab's starting code addr */
+ CORE_ADDR end_adr; /* current psymtab's ending code addr */
+ CORE_ADDR next_mod_adr; /* next module's starting code addr */
+ int curr_pd; /* current procedure */
+ int curr_fd; /* current file */
+ int curr_md; /* current module */
+ int start_sym; /* current psymtab's starting symbol index */
+ int end_sym; /* current psymtab's ending symbol index */
+ int max_LNTT_sym_index;
+ int syms_in_pst;
+ B_TYPE *class_entered;
+
+ struct partial_symbol **global_syms; /* We'll be filling in the "global" */
+ struct partial_symbol **static_syms; /* and "static" tables in the objfile
+ as we go, so we need a pair of
+ current pointers. */
+
+#ifdef DUMPING
+ /* Turn this on for lots of debugging information in this routine.
+ You get a blow-by-blow account of quick lookup table reading */
+ static int dumping = 0;
+#endif
+
+ pst = (struct partial_symtab *) 0;
+
+ /* Clear out some globals */
+ init_pst_syms ();
+ told_objfile = 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);
+ }
+
+ /* First we need to find the starting points of the quick
+ look-up tables in the GNTT. */
+
+ addr = gntt_bits;
+
+ qPD = (quick_procedure_entry_ptr) addr;
+ addr += pxdb_header_p->pd_entries * sizeof (quick_procedure_entry);
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("\n Printing routines as we see them\n");
+ for (i = 0; VALID_PROC (i); i++)
+ {
+ idx = (long) qPD[i].sbProc;
+ printf ("%s %x..%x\n", &vt_bits[idx],
+ (int) PROC_START (i),
+ (int) PROC_END (i));
+ }
+ }
+#endif
+
+ qFD = (quick_file_entry_ptr) addr;
+ addr += pxdb_header_p->fd_entries * sizeof (quick_file_entry);
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("\n Printing files as we see them\n");
+ for (i = 0; VALID_FILE (i); i++)
+ {
+ idx = (long) qFD[i].sbFile;
+ printf ("%s %x..%x\n", &vt_bits[idx],
+ (int) FILE_START (i),
+ (int) FILE_END (i));
+ }
+ }
+#endif
+
+ qMD = (quick_module_entry_ptr) addr;
+ addr += pxdb_header_p->md_entries * sizeof (quick_module_entry);
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("\n Printing modules as we see them\n");
+ for (i = 0; i < pxdb_header_p->md_entries; i++)
+ {
+ idx = (long) qMD[i].sbMod;
+ printf ("%s\n", &vt_bits[idx]);
+ }
+ }
+#endif
+
+ qCD = (quick_class_entry_ptr) addr;
+ addr += pxdb_header_p->cd_entries * sizeof (quick_class_entry);
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("\n Printing classes as we see them\n");
+ for (i = 0; VALID_CLASS (i); i++)
+ {
+ idx = (long) qCD[i].sbClass;
+ printf ("%s\n", &vt_bits[idx]);
+ }
+
+ printf ("\n Done with dump, on to build!\n");
+ }
+#endif
+
+ /* We need this index only while hp-symtab-read.c expects
+ a byte offset to the end of the LNTT entries for a given
+ psymtab. Thus the need for it should go away someday.
+
+ When it goes away, then we won't have any need to load the
+ LNTT from the objfile at psymtab-time, and start-up will be
+ faster. To make that work, we'll need some way to create
+ a null pst for the "globals" pseudo-module. */
+ max_LNTT_sym_index = LNTT_SYMCOUNT (objfile);
+
+ /* Scan the module descriptors and make a psymtab for each.
+
+ We know the MDs, FDs and the PDs are in order by starting
+ address. We use that fact to traverse all three arrays in
+ parallel, knowing when the next PD is in a new file
+ and we need to create a new psymtab. */
+ curr_pd = 0; /* Current procedure entry */
+ curr_fd = 0; /* Current file entry */
+ curr_md = 0; /* Current module entry */
+
+ start_adr = 0; /* Current psymtab code range */
+ end_adr = 0;
+
+ start_sym = 0; /* Current psymtab symbol range */
+ end_sym = 0;
+
+ syms_in_pst = 0; /* Symbol count for psymtab */
+
+ /* Psts actually just have pointers into the objfile's
+ symbol table, not their own symbol tables. */
+ global_syms = objfile->global_psymbols.list;
+ static_syms = objfile->static_psymbols.list;
+
+
+ /* First skip over pseudo-entries with address 0. These represent inlined
+ routines and abstract (uninstantiated) template routines.
+ FIXME: These should be read in and available -- even if we can't set
+ breakpoints, etc., there's some information that can be presented
+ to the user. pai/1997-10-08 */
+
+ while (VALID_CURR_PROC && (CURR_PROC_START == 0))
+ curr_pd++;
+
+ /* Loop over files, modules, and procedures in code address order. Each
+ time we enter an iteration of this loop, curr_pd points to the first
+ unprocessed procedure, curr_fd points to the first unprocessed file, and
+ curr_md to the first unprocessed module. Each iteration of this loop
+ updates these as required -- any or all of them may be bumpd up
+ each time around. When we exit this loop, we are done with all files
+ and modules in the tables -- there may still be some procedures, however.
+
+ Note: This code used to loop only over module entries, under the assumption
+ that files can occur via inclusions and are thus unreliable, while a
+ compiled object always corresponds to a module. With CTTI in the HP aCC
+ compiler, it turns out that compiled objects may have only files and no
+ modules; so we have to loop over files and modules, creating psymtabs for
+ either as appropriate. Unfortunately there are some problems (notably:
+ 1. the lack of "SRC_FILE_END" entries in the LNTT, 2. the lack of pointers
+ to the ending symbol indices of a module or a file) which make it quite hard
+ to do this correctly. Currently it uses a bunch of heuristics to start and
+ end psymtabs; they seem to work well with most objects generated by aCC, but
+ who knows when that will change... */
+
+ while (VALID_CURR_FILE || VALID_CURR_MODULE)
+ {
+
+ char *mod_name_string = NULL;
+ char *full_name_string;
+
+ /* First check for modules like "version.c", which have no code
+ in them but still have qMD entries. They also have no qFD or
+ qPD entries. Their start address is -1 and their end address
+ is 0. */
+ if (VALID_CURR_MODULE && (CURR_MODULE_START == -1) && (CURR_MODULE_END == 0))
+ {
+
+ mod_name_string = &vt_bits[(long) qMD[curr_md].sbMod];
+
+#ifdef DUMPING
+ if (dumping)
+ printf ("Module with data only %s\n", mod_name_string);
+#endif
+
+ /* We'll skip the rest (it makes error-checking easier), and
+ just make an empty pst. Right now empty psts are not put
+ in the pst chain, so all this is for naught, but later it
+ might help. */
+
+ pst = hpread_start_psymtab (objfile,
+ mod_name_string,
+ CURR_MODULE_START, /* Low text address: bogus! */
+ (CURR_MODULE_ISYM * sizeof (struct dntt_type_block)),
+ /* ldsymoff */
+ global_syms,
+ static_syms);
+
+ pst = hpread_end_psymtab (pst,
+ NULL, /* psymtab_include_list */
+ 0, /* includes_used */
+ end_sym * sizeof (struct dntt_type_block),
+ /* byte index in LNTT of end
+ = capping symbol offset
+ = LDSYMOFF of nextfile */
+ 0, /* text high */
+ NULL, /* dependency_list */
+ 0); /* dependencies_used */
+
+ global_syms = objfile->global_psymbols.next;
+ static_syms = objfile->static_psymbols.next;
+
+ curr_md++;
+ }
+ else if (VALID_CURR_MODULE &&
+ ((CURR_MODULE_START == 0) || (CURR_MODULE_START == -1) ||
+ (CURR_MODULE_END == 0) || (CURR_MODULE_END == -1)))
+ {
+ TELL_OBJFILE;
+ warning (_("Module \"%s\" [0x%s] has non-standard addresses. It starts at 0x%s, ends at 0x%s, and will be skipped."),
+ mod_name_string, paddr_nz (curr_md), paddr_nz (start_adr), paddr_nz (end_adr));
+ /* On to next module */
+ curr_md++;
+ }
+ else
+ {
+ /* First check if we are looking at a file with code in it
+ that does not overlap the current module's code range */
+
+ if (VALID_CURR_FILE ? (VALID_CURR_MODULE ? (CURR_FILE_END < CURR_MODULE_START) : 1) : 0)
+ {
+
+ /* Looking at file not corresponding to any module,
+ create a psymtab for it */
+ full_name_string = &vt_bits[(long) qFD[curr_fd].sbFile];
+ start_adr = CURR_FILE_START;
+ end_adr = CURR_FILE_END;
+ start_sym = CURR_FILE_ISYM;
+
+ /* Check if there are any procedures not handled until now, that
+ begin before the start address of this file, and if so, adjust
+ this module's start address to include them. This handles routines that
+ are in between file or module ranges for some reason (probably
+ indicates a compiler bug */
+
+ if (CURR_PROC_START < start_adr)
+ {
+ TELL_OBJFILE;
+ warning (_("Found procedure \"%s\" [0x%x] that is not in any file or module."),
+ &vt_bits[(long) qPD[curr_pd].sbProc], curr_pd);
+ start_adr = CURR_PROC_START;
+ if (CURR_PROC_ISYM < start_sym)
+ start_sym = CURR_PROC_ISYM;
+ }
+
+ /* Sometimes (compiler bug -- COBOL) the module end address is higher
+ than the start address of the next module, so check for that and
+ adjust accordingly */
+
+ if (VALID_FILE (curr_fd + 1) && (FILE_START (curr_fd + 1) <= end_adr))
+ {
+ TELL_OBJFILE;
+ warning (_("File \"%s\" [0x%x] has ending address after starting address of next file; adjusting ending address down."),
+ full_name_string, curr_fd);
+ end_adr = FILE_START (curr_fd + 1) - 1; /* Is -4 (or -8 for 64-bit) better? */
+ }
+ if (VALID_MODULE (curr_md) && (CURR_MODULE_START <= end_adr))
+ {
+ TELL_OBJFILE;
+ warning (_("File \"%s\" [0x%x] has ending address after starting address of next module; adjusting ending address down."),
+ full_name_string, curr_fd);
+ end_adr = CURR_MODULE_START - 1; /* Is -4 (or -8 for 64-bit) better? */
+ }
+
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("Make new psymtab for file %s (%x to %x).\n",
+ full_name_string, start_adr, end_adr);
+ }
+#endif
+ /* Create the basic psymtab, connecting it in the list
+ for this objfile and pointing its symbol entries
+ to the current end of the symbol areas in the objfile.
+
+ The "ldsymoff" parameter is the byte offset in the LNTT
+ of the first symbol in this file. Some day we should
+ turn this into an index (fix in hp-symtab-read.c as well).
+ And it's not even the right byte offset, as we're using
+ the size of a union! FIXME! */
+ pst = hpread_start_psymtab (objfile,
+ full_name_string,
+ start_adr, /* Low text address */
+ (start_sym * sizeof (struct dntt_type_block)),
+ /* ldsymoff */
+ global_syms,
+ static_syms);
+
+ /* Set up to only enter each class referenced in this module once. */
+ class_entered = xmalloc (B_BYTES (pxdb_header_p->cd_entries));
+ B_CLRALL (class_entered, pxdb_header_p->cd_entries);
+
+ /* Scan the procedure descriptors for procedures in the current
+ file, based on the starting addresses. */
+
+ syms_in_pst = scan_procs (&curr_pd, qPD, pxdb_header_p->pd_entries,
+ start_adr, end_adr, pst, vt_bits, objfile);
+
+ /* Get ending symbol offset */
+
+ end_sym = 0;
+ /* First check for starting index before previous psymtab */
+ if (pst_syms_count && start_sym < pst_syms_array[pst_syms_count - 1].end)
+ {
+ end_sym = find_next_pst_start (start_sym);
+ }
+ /* Look for next start index of a file or module, or procedure */
+ if (!end_sym)
+ {
+ int next_file_isym = find_next_file_isym (start_sym, qFD, curr_fd + 1, pxdb_header_p);
+ int next_module_isym = find_next_module_isym (start_sym, qMD, curr_md, pxdb_header_p);
+ int next_proc_isym = find_next_proc_isym (start_sym, qPD, curr_pd, pxdb_header_p);
+
+ if (next_file_isym && next_module_isym)
+ {
+ /* pick lower of next file or module start index */
+ end_sym = min (next_file_isym, next_module_isym);
+ }
+ else
+ {
+ /* one of them is zero, pick the other */
+ end_sym = max (next_file_isym, next_module_isym);
+ }
+
+ /* As a precaution, check next procedure index too */
+ if (!end_sym)
+ end_sym = next_proc_isym;
+ else
+ end_sym = min (end_sym, next_proc_isym);
+ }
+
+ /* Couldn't find procedure, file, or module, use globals as default */
+ if (!end_sym)
+ end_sym = pxdb_header_p->globals;
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("File psymtab indices: %x to %x\n", start_sym, end_sym);
+ }
+#endif
+
+ pst = hpread_end_psymtab (pst,
+ NULL, /* psymtab_include_list */
+ 0, /* includes_used */
+ end_sym * sizeof (struct dntt_type_block),
+ /* byte index in LNTT of end
+ = capping symbol offset
+ = LDSYMOFF of nextfile */
+ end_adr, /* text high */
+ NULL, /* dependency_list */
+ 0); /* dependencies_used */
+
+ record_pst_syms (start_sym, end_sym);
+
+ if (NULL == pst)
+ warning (_("No symbols in psymtab for file \"%s\" [0x%x]."), full_name_string, curr_fd);
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("Made new psymtab for file %s (%x to %x), sym %x to %x.\n",
+ full_name_string, start_adr, end_adr, CURR_FILE_ISYM, end_sym);
+ }
+#endif
+ /* Prepare for the next psymtab. */
+ global_syms = objfile->global_psymbols.next;
+ static_syms = objfile->static_psymbols.next;
+ xfree (class_entered);
+
+ curr_fd++;
+ } /* Psymtab for file */
+ else
+ {
+ /* We have a module for which we create a psymtab */
+
+ mod_name_string = &vt_bits[(long) qMD[curr_md].sbMod];
+
+ /* We will include the code ranges of any files that happen to
+ overlap with this module */
+
+ /* So, first pick the lower of the file's and module's start addresses */
+ start_adr = CURR_MODULE_START;
+ if (VALID_CURR_FILE)
+ {
+ if (CURR_FILE_START < CURR_MODULE_START)
+ {
+ TELL_OBJFILE;
+ warning (_("File \"%s\" [0x%x] crosses beginning of module \"%s\"."),
+ &vt_bits[(long) qFD[curr_fd].sbFile],
+ curr_fd, mod_name_string);
+
+ start_adr = CURR_FILE_START;
+ }
+ }
+
+ /* Also pick the lower of the file's and the module's start symbol indices */
+ start_sym = CURR_MODULE_ISYM;
+ if (VALID_CURR_FILE && (CURR_FILE_ISYM < CURR_MODULE_ISYM))
+ start_sym = CURR_FILE_ISYM;
+
+ /* For the end address, we scan through the files till we find one
+ that overlaps the current module but ends beyond it; if no such file exists we
+ simply use the module's start address.
+ (Note, if file entries themselves overlap
+ we take the longest overlapping extension beyond the end of the module...)
+ We assume that modules never overlap. */
+
+ end_adr = CURR_MODULE_END;
+
+ if (VALID_CURR_FILE)
+ {
+ while (VALID_CURR_FILE && (CURR_FILE_START < end_adr))
+ {
+
+#ifdef DUMPING
+ if (dumping)
+ printf ("Maybe skipping file %s which overlaps with module %s\n",
+ &vt_bits[(long) qFD[curr_fd].sbFile], mod_name_string);
+#endif
+ if (CURR_FILE_END > end_adr)
+ {
+ TELL_OBJFILE;
+ warning (_("File \"%s\" [0x%x] crosses end of module \"%s\"."),
+ &vt_bits[(long) qFD[curr_fd].sbFile],
+ curr_fd, mod_name_string);
+ end_adr = CURR_FILE_END;
+ }
+ curr_fd++;
+ }
+ curr_fd--; /* back up after going too far */
+ }
+
+ /* Sometimes (compiler bug -- COBOL) the module end address is higher
+ than the start address of the next module, so check for that and
+ adjust accordingly */
+
+ if (VALID_MODULE (curr_md + 1) && (MODULE_START (curr_md + 1) <= end_adr))
+ {
+ TELL_OBJFILE;
+ warning (_("Module \"%s\" [0x%x] has ending address after starting address of next module; adjusting ending address down."),
+ mod_name_string, curr_md);
+ end_adr = MODULE_START (curr_md + 1) - 1; /* Is -4 (or -8 for 64-bit) better? */
+ }
+ if (VALID_FILE (curr_fd + 1) && (FILE_START (curr_fd + 1) <= end_adr))
+ {
+ TELL_OBJFILE;
+ warning (_("Module \"%s\" [0x%x] has ending address after starting address of next file; adjusting ending address down."),
+ mod_name_string, curr_md);
+ end_adr = FILE_START (curr_fd + 1) - 1; /* Is -4 (or -8 for 64-bit) better? */
+ }
+
+ /* Use one file to get the full name for the module. This
+ situation can arise if there is executable code in a #include
+ file. Each file with code in it gets a qFD. Files which don't
+ contribute code don't get a qFD, even if they include files
+ which do, e.g.:
+
+ body.c: rtn.h:
+ int x; int main() {
+ #include "rtn.h" return x;
+ }
+
+ There will a qFD for "rtn.h",and a qMD for "body.c",
+ but no qMD for "rtn.h" or qFD for "body.c"!
+
+ We pick the name of the last file to overlap with this
+ module. C convention is to put include files first. In a
+ perfect world, we could check names and use the file whose full
+ path name ends with the module name. */
+
+ if (VALID_CURR_FILE)
+ full_name_string = &vt_bits[(long) qFD[curr_fd].sbFile];
+ else
+ full_name_string = mod_name_string;
+
+ /* Check if there are any procedures not handled until now, that
+ begin before the start address we have now, and if so, adjust
+ this psymtab's start address to include them. This handles routines that
+ are in between file or module ranges for some reason (probably
+ indicates a compiler bug */
+
+ if (CURR_PROC_START < start_adr)
+ {
+ TELL_OBJFILE;
+ warning (_("Found procedure \"%s\" [0x%x] that is not in any file or module."),
+ &vt_bits[(long) qPD[curr_pd].sbProc], curr_pd);
+ start_adr = CURR_PROC_START;
+ if (CURR_PROC_ISYM < start_sym)
+ start_sym = CURR_PROC_ISYM;
+ }
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("Make new psymtab for module %s (%x to %x), using file %s\n",
+ mod_name_string, start_adr, end_adr, full_name_string);
+ }
+#endif
+ /* Create the basic psymtab, connecting it in the list
+ for this objfile and pointing its symbol entries
+ to the current end of the symbol areas in the objfile.
+
+ The "ldsymoff" parameter is the byte offset in the LNTT
+ of the first symbol in this file. Some day we should
+ turn this into an index (fix in hp-symtab-read.c as well).
+ And it's not even the right byte offset, as we're using
+ the size of a union! FIXME! */
+ pst = hpread_start_psymtab (objfile,
+ full_name_string,
+ start_adr, /* Low text address */
+ (start_sym * sizeof (struct dntt_type_block)),
+ /* ldsymoff */
+ global_syms,
+ static_syms);
+
+ /* Set up to only enter each class referenced in this module once. */
+ class_entered = xmalloc (B_BYTES (pxdb_header_p->cd_entries));
+ B_CLRALL (class_entered, pxdb_header_p->cd_entries);
+
+ /* Scan the procedure descriptors for procedures in the current
+ module, based on the starting addresses. */
+
+ syms_in_pst = scan_procs (&curr_pd, qPD, pxdb_header_p->pd_entries,
+ start_adr, end_adr, pst, vt_bits, objfile);
+
+ /* Get ending symbol offset */
+
+ end_sym = 0;
+ /* First check for starting index before previous psymtab */
+ if (pst_syms_count && start_sym < pst_syms_array[pst_syms_count - 1].end)
+ {
+ end_sym = find_next_pst_start (start_sym);
+ }
+ /* Look for next start index of a file or module, or procedure */
+ if (!end_sym)
+ {
+ int next_file_isym = find_next_file_isym (start_sym, qFD, curr_fd + 1, pxdb_header_p);
+ int next_module_isym = find_next_module_isym (start_sym, qMD, curr_md + 1, pxdb_header_p);
+ int next_proc_isym = find_next_proc_isym (start_sym, qPD, curr_pd, pxdb_header_p);
+
+ if (next_file_isym && next_module_isym)
+ {
+ /* pick lower of next file or module start index */
+ end_sym = min (next_file_isym, next_module_isym);
+ }
+ else
+ {
+ /* one of them is zero, pick the other */
+ end_sym = max (next_file_isym, next_module_isym);
+ }
+
+ /* As a precaution, check next procedure index too */
+ if (!end_sym)
+ end_sym = next_proc_isym;
+ else
+ end_sym = min (end_sym, next_proc_isym);
+ }
+
+ /* Couldn't find procedure, file, or module, use globals as default */
+ if (!end_sym)
+ end_sym = pxdb_header_p->globals;
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("Module psymtab indices: %x to %x\n", start_sym, end_sym);
+ }
+#endif
+
+ pst = hpread_end_psymtab (pst,
+ NULL, /* psymtab_include_list */
+ 0, /* includes_used */
+ end_sym * sizeof (struct dntt_type_block),
+ /* byte index in LNTT of end
+ = capping symbol offset
+ = LDSYMOFF of nextfile */
+ end_adr, /* text high */
+ NULL, /* dependency_list */
+ 0); /* dependencies_used */
+
+ record_pst_syms (start_sym, end_sym);
+
+ if (NULL == pst)
+ warning (_("No symbols in psymtab for module \"%s\" [0x%x]."), mod_name_string, curr_md);
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("Made new psymtab for module %s (%x to %x), sym %x to %x.\n",
+ mod_name_string, start_adr, end_adr, CURR_MODULE_ISYM, end_sym);
+ }
+#endif
+
+ /* Prepare for the next psymtab. */
+ global_syms = objfile->global_psymbols.next;
+ static_syms = objfile->static_psymbols.next;
+ xfree (class_entered);
+
+ curr_md++;
+ curr_fd++;
+ } /* psymtab for module */
+ } /* psymtab for non-bogus file or module */
+ } /* End of while loop over all files & modules */
+
+ /* There may be some routines after all files and modules -- these will get
+ inserted in a separate new module of their own */
+ if (VALID_CURR_PROC)
+ {
+ start_adr = CURR_PROC_START;
+ end_adr = qPD[pxdb_header_p->pd_entries - 1].adrEnd;
+ TELL_OBJFILE;
+ warning (_("Found functions beyond end of all files and modules [0x%x]."), curr_pd);
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("Orphan functions at end, PD %d and beyond (%x to %x)\n",
+ curr_pd, start_adr, end_adr);
+ }
+#endif
+ pst = hpread_start_psymtab (objfile,
+ "orphans",
+ start_adr, /* Low text address */
+ (CURR_PROC_ISYM * sizeof (struct dntt_type_block)),
+ /* ldsymoff */
+ global_syms,
+ static_syms);
+
+ scan_procs (&curr_pd, qPD, pxdb_header_p->pd_entries,
+ start_adr, end_adr, pst, vt_bits, objfile);
+
+ pst = hpread_end_psymtab (pst,
+ NULL, /* psymtab_include_list */
+ 0, /* includes_used */
+ pxdb_header_p->globals * sizeof (struct dntt_type_block),
+ /* byte index in LNTT of end
+ = capping symbol offset
+ = LDSYMOFF of nextfile */
+ end_adr, /* text high */
+ NULL, /* dependency_list */
+ 0); /* dependencies_used */
+ }
+
+
+#ifdef NEVER_NEVER
+ /* Now build psts for non-module things (in the tail of
+ the LNTT, after the last END MODULE entry).
+
+ If null psts were kept on the chain, this would be
+ a solution. FIXME */
+ pst = hpread_start_psymtab (objfile,
+ "globals",
+ 0,
+ (pxdb_header_p->globals
+ * sizeof (struct dntt_type_block)),
+ objfile->global_psymbols.next,
+ objfile->static_psymbols.next);
+ hpread_end_psymtab (pst,
+ NULL, 0,
+ (max_LNTT_sym_index * sizeof (struct dntt_type_block)),
+ 0,
+ NULL, 0);
+#endif
+
+ clear_pst_syms ();
+
+ return 1;
+
+} /* End of hpread_quick_traverse. */
+\f
+
+/* Get appropriate header, based on pxdb type.
+ Return value: 1 if ok, 0 if not */
+static int
+hpread_get_header (struct objfile *objfile, PXDB_header_ptr pxdb_header_p)
+{
+ asection *pinfo_section, *debug_section, *header_section;
+
+#ifdef DUMPING
+ /* Turn on for debugging information */
+ static int dumping = 0;
+#endif
+
+ header_section = bfd_get_section_by_name (objfile->obfd, "$HEADER$");
+ if (!header_section)
+ {
+ /* We don't have either PINFO or DEBUG sections. But
+ stuff like "libc.sl" has no debug info. There's no
+ need to warn the user of this, as it may be ok. The
+ caller will figure it out and issue any needed
+ messages. */
+#ifdef DUMPING
+ if (dumping)
+ printf ("==No debug info at all for %s.\n", objfile->name);
+#endif
+
+ return 0;
+ }
+
+ /* We would like either a $DEBUG$ or $PINFO$ section.
+ Once we know which, we can understand the header
+ data (which we have defined to suit the more common
+ $DEBUG$ case). */
+ debug_section = bfd_get_section_by_name (objfile->obfd, "$DEBUG$");
+ pinfo_section = bfd_get_section_by_name (objfile->obfd, "$PINFO$");
+ if (debug_section)
+ {
+ /* The expected case: normal pxdb header. */
+ bfd_get_section_contents (objfile->obfd, header_section,
+ pxdb_header_p, 0, sizeof (PXDB_header));
+
+ if (!pxdb_header_p->pxdbed)
+ {
+ /* This shouldn't happen if we check in "symfile.c". */
+ return 0;
+ } /* DEBUG section */
+ }
+
+ else if (pinfo_section)
+ {
+ /* The DOC case; we need to translate this into a
+ regular header. */
+ DOC_info_PXDB_header doc_header;
+
+#ifdef DUMPING
+ if (dumping)
+ {
+ printf ("==OOps, PINFO, let's try to handle this, %s.\n", objfile->name);
+ }
+#endif
+
+ bfd_get_section_contents (objfile->obfd,
+ header_section,
+ &doc_header, 0,
+ sizeof (DOC_info_PXDB_header));
+
+ if (!doc_header.pxdbed)
+ {
+ /* This shouldn't happen if we check in "symfile.c". */
+ warning (_("File \"%s\" not processed by pxdb!"), objfile->name);
+ return 0;
+ }
+
+ /* Copy relevent fields to standard header passed in. */
+ pxdb_header_p->pd_entries = doc_header.pd_entries;
+ pxdb_header_p->fd_entries = doc_header.fd_entries;
+ pxdb_header_p->md_entries = doc_header.md_entries;
+ pxdb_header_p->pxdbed = doc_header.pxdbed;
+ pxdb_header_p->bighdr = doc_header.bighdr;
+ pxdb_header_p->sa_header = doc_header.sa_header;
+ pxdb_header_p->inlined = doc_header.inlined;
+ pxdb_header_p->globals = doc_header.globals;
+ pxdb_header_p->time = doc_header.time;
+ pxdb_header_p->pg_entries = doc_header.pg_entries;
+ pxdb_header_p->functions = doc_header.functions;
+ pxdb_header_p->files = doc_header.files;
+ pxdb_header_p->cd_entries = doc_header.cd_entries;
+ pxdb_header_p->aa_entries = doc_header.aa_entries;
+ pxdb_header_p->oi_entries = doc_header.oi_entries;
+ pxdb_header_p->version = doc_header.version;
+ } /* PINFO section */
+
+ else
+ {
+#ifdef DUMPING
+ if (dumping)
+ printf ("==No debug info at all for %s.\n", objfile->name);
+#endif
+
+ return 0;
+
+ }
+
+ return 1;
+} /* End of hpread_get_header */
+#endif /* QUICK_LOOK_UP */
+\f
+
+/* Initialization for reading native HP C debug symbols from OBJFILE.
+
+ Its only purpose in life is to set up the symbol reader's private
+ per-objfile data structures, and read in the raw contents of the debug
+ sections (attaching pointers to the debug info into the private data
+ structures).
+
+ Since BFD doesn't know how to read debug symbols in a format-independent
+ way (and may never do so...), we have to do it ourselves. Note we may
+ be called on a file without native HP C debugging symbols.
+
+ FIXME, there should be a cleaner peephole into the BFD environment
+ here. */
+void
+hpread_symfile_init (struct objfile *objfile)
+{
+ asection *vt_section, *slt_section, *lntt_section, *gntt_section;
+
+ /* Allocate struct to keep track of the symfile */
+ objfile->deprecated_sym_private =
+ xmalloc (sizeof (struct hpread_symfile_info));
+ memset (objfile->deprecated_sym_private, 0, sizeof (struct hpread_symfile_info));
+
+ /* We haven't read in any types yet. */
+ DNTT_TYPE_VECTOR (objfile) = 0;
+
+ /* Read in data from the $GNTT$ subspace. */
+ gntt_section = bfd_get_section_by_name (objfile->obfd, "$GNTT$");
+ if (!gntt_section)
+ return;
+
+ GNTT (objfile)
+ = obstack_alloc (&objfile->objfile_obstack,
+ bfd_section_size (objfile->obfd, gntt_section));
+
+ bfd_get_section_contents (objfile->obfd, gntt_section, GNTT (objfile),
+ 0, bfd_section_size (objfile->obfd, gntt_section));
+
+ GNTT_SYMCOUNT (objfile)
+ = bfd_section_size (objfile->obfd, gntt_section)
+ / sizeof (struct dntt_type_block);
+
+ /* Read in data from the $LNTT$ subspace. Also keep track of the number
+ of LNTT symbols.
+
+ FIXME: this could be moved into the psymtab-to-symtab expansion
+ code, and save startup time. At the moment this data is
+ still used, though. We'd need a way to tell hp-symtab-read.c
+ whether or not to load the LNTT. */
+ lntt_section = bfd_get_section_by_name (objfile->obfd, "$LNTT$");
+ if (!lntt_section)
+ return;
+
+ LNTT (objfile)
+ = obstack_alloc (&objfile->objfile_obstack,
+ bfd_section_size (objfile->obfd, lntt_section));
+
+ bfd_get_section_contents (objfile->obfd, lntt_section, LNTT (objfile),
+ 0, bfd_section_size (objfile->obfd, lntt_section));
+
+ LNTT_SYMCOUNT (objfile)
+ = bfd_section_size (objfile->obfd, lntt_section)
+ / sizeof (struct dntt_type_block);
+
+ /* Read in data from the $SLT$ subspace. $SLT$ contains information
+ on source line numbers. */
+ slt_section = bfd_get_section_by_name (objfile->obfd, "$SLT$");
+ if (!slt_section)
+ return;
+
+ SLT (objfile) =
+ obstack_alloc (&objfile->objfile_obstack,
+ bfd_section_size (objfile->obfd, slt_section));
+
+ bfd_get_section_contents (objfile->obfd, slt_section, SLT (objfile),
+ 0, bfd_section_size (objfile->obfd, slt_section));
+
+ /* Read in data from the $VT$ subspace. $VT$ contains things like
+ names and constants. Keep track of the number of symbols in the VT. */
+ vt_section = bfd_get_section_by_name (objfile->obfd, "$VT$");
+ if (!vt_section)
+ return;
+
+ VT_SIZE (objfile) = bfd_section_size (objfile->obfd, vt_section);
+
+ VT (objfile) =
+ (char *) obstack_alloc (&objfile->objfile_obstack,
+ VT_SIZE (objfile));
+
+ bfd_get_section_contents (objfile->obfd, vt_section, VT (objfile),
+ 0, VT_SIZE (objfile));
+}
+
+/* Scan and build partial symbols for a symbol file.
+
+ The minimal symbol table (either SOM or HP a.out) has already been
+ read in; all we need to do is setup partial symbols based on the
+ native debugging information.
+
+ Note that the minimal table is produced by the linker, and has
+ only global routines in it; the psymtab is based on compiler-
+ generated debug information and has non-global
+ routines in it as well as files and class information.
+
+ We assume hpread_symfile_init has been called to initialize the
+ symbol reader's private data structures.
+
+ MAINLINE is true if we are reading the main symbol table (as
+ opposed to a shared lib or dynamically loaded file). */
+
+void
+hpread_build_psymtabs (struct objfile *objfile, int mainline)
+{
+
+#ifdef DUMPING
+ /* Turn this on to get debugging output. */
+ static int dumping = 0;
+#endif
+
+ char *namestring;
+ int past_first_source_file = 0;
+ struct cleanup *old_chain;
+
+ int hp_symnum, symcount, i;
+ int scan_start = 0;
+
+ union dnttentry *dn_bufp;
+ unsigned long valu;
+ char *p;
+ int texthigh = 0;
+ int have_name = 0;
+
+ /* Current partial symtab */
+ struct partial_symtab *pst;
+
+ /* List of current psymtab's include files */
+ char **psymtab_include_list;
+ int includes_allocated;
+ int includes_used;
+
+ /* Index within current psymtab dependency list */
+ struct partial_symtab **dependency_list;
+ int dependencies_used, dependencies_allocated;
+
+ /* Just in case the stabs reader left turds lying around. */
+ free_pending_blocks ();
+ make_cleanup (really_free_pendings, 0);
+
+ pst = (struct partial_symtab *) 0;
+
+ /* We shouldn't use alloca, instead use malloc/free. Doing so avoids
+ a number of problems with cross compilation and creating useless holes
+ in the stack when we have to allocate new entries. FIXME. */
+
+ includes_allocated = 30;
+ includes_used = 0;
+ psymtab_include_list = (char **) alloca (includes_allocated *
+ sizeof (char *));
+
+ dependencies_allocated = 30;
+ dependencies_used = 0;
+ dependency_list =
+ (struct partial_symtab **) alloca (dependencies_allocated *
+ sizeof (struct partial_symtab *));
+
+ old_chain = make_cleanup_free_objfile (objfile);
+
+ last_source_file = 0;
+
+#ifdef QUICK_LOOK_UP
+ {
+ /* Begin code for new-style loading of quick look-up tables. */
+
+ /* elz: this checks whether the file has beeen processed by pxdb.
+ If not we would like to try to read the psymbols in
+ anyway, but it turns out to be not so easy. So this could
+ actually be commented out, but I leave it in, just in case
+ we decide to add support for non-pxdb-ed stuff in the future. */
+ PXDB_header pxdb_header;
+ int found_modules_in_program;
+
+ if (hpread_get_header (objfile, &pxdb_header))
+ {
+ /* Build a minimal table. No types, no global variables,
+ no include files.... */
+#ifdef DUMPING
+ if (dumping)
+ printf ("\nNew method for %s\n", objfile->name);
+#endif
+
+ /* elz: quick_traverse returns true if it found
+ some modules in the main source file, other
+ than those in end.c
+ In C and C++, all the files have MODULES entries
+ in the LNTT, and the quick table traverse is all
+ based on finding these MODULES entries. Without
+ those it cannot work.
+ It happens that F77 programs don't have MODULES
+ so the quick traverse gets confused. F90 programs
+ have modules, and the quick method still works.
+ So, if modules (other than those in end.c) are
+ not found we give up on the quick table stuff,
+ and fall back on the slower method */
+ found_modules_in_program = hpread_quick_traverse (objfile,
+ GNTT (objfile),
+ VT (objfile),
+ &pxdb_header);
+
+ discard_cleanups (old_chain);
+
+ /* Set up to scan the global section of the LNTT.
+
+ This field is not always correct: if there are
+ no globals, it will point to the last record in
+ the regular LNTT, which is usually an END MODULE.
+
+ Since it might happen that there could be a file
+ with just one global record, there's no way to
+ tell other than by looking at the record, so that's
+ done below. */
+ if (found_modules_in_program)
+ scan_start = pxdb_header.globals;
+ }
+#ifdef DUMPING
+ else
+ {
+ if (dumping)
+ printf ("\nGoing on to old method for %s\n", objfile->name);
+ }
+#endif
+ }
+#endif /* QUICK_LOOK_UP */
+
+ /* Make two passes, one over the GNTT symbols, the other for the
+ LNTT symbols.
+
+ JB comment: above isn't true--they only make one pass, over
+ the LNTT. */
+ for (i = 0; i < 1; i++)
+ {
+ int within_function = 0;
+
+ if (i)
+ symcount = GNTT_SYMCOUNT (objfile);
+ else
+ symcount = LNTT_SYMCOUNT (objfile);
+
+
+ for (hp_symnum = scan_start; hp_symnum < symcount; hp_symnum++)
+ {
+ QUIT;
+ if (i)
+ dn_bufp = hpread_get_gntt (hp_symnum, objfile);
+ else
+ dn_bufp = hpread_get_lntt (hp_symnum, objfile);
+
+ if (dn_bufp->dblock.extension)
+ continue;
+
+ /* Only handle things which are necessary for minimal symbols.
+ everything else is ignored. */
+ switch (dn_bufp->dblock.kind)
+ {
+ case DNTT_TYPE_SRCFILE:
+ {
+#ifdef QUICK_LOOK_UP
+ if (scan_start == hp_symnum
+ && symcount == hp_symnum + 1)
+ {
+ /* If there are NO globals in an executable,
+ PXDB's index to the globals will point to
+ the last record in the file, which
+ could be this record. (this happened for F77 libraries)
+ ignore it and be done! */
+ continue;
+ }
+#endif /* QUICK_LOOK_UP */
+
+ /* A source file of some kind. Note this may simply
+ be an included file. */
+ set_namestring (dn_bufp, &namestring, objfile);
+
+ /* Check if this is the source file we are already working
+ with. */
+ if (pst && !strcmp (namestring, pst->filename))
+ continue;
+
+ /* Check if this is an include file, if so check if we have
+ already seen it. Add it to the include list */
+ p = strrchr (namestring, '.');
+ if (!strcmp (p, ".h"))
+ {
+ int j, found;
+
+ found = 0;
+ for (j = 0; j < includes_used; j++)
+ if (!strcmp (namestring, psymtab_include_list[j]))
+ {
+ found = 1;
+ break;
+ }
+ if (found)
+ continue;
+
+ /* Add it to the list of includes seen so far and
+ allocate more include space if necessary. */
+ psymtab_include_list[includes_used++] = namestring;
+ if (includes_used >= includes_allocated)
+ {
+ char **orig = psymtab_include_list;
+
+ psymtab_include_list = (char **)
+ alloca ((includes_allocated *= 2) *
+ sizeof (char *));
+ memcpy (psymtab_include_list, orig,
+ includes_used * sizeof (char *));
+ }
+ continue;
+ }
+
+ if (pst)
+ {
+ if (!have_name)
+ {
+ pst->filename = (char *)
+ obstack_alloc (&pst->objfile->objfile_obstack,
+ strlen (namestring) + 1);
+ strcpy (pst->filename, namestring);
+ have_name = 1;
+ continue;
+ }
+ continue;
+ }
+
+ /* This is a bonafide new source file.
+ End the current partial symtab and start a new one. */
+
+ if (pst && past_first_source_file)
+ {
+ hpread_end_psymtab (pst, psymtab_include_list,
projects / binutils.git / blobdiff