static const char *o_file; /* <xxx>.o for constructor/destructor list. */
#ifdef COLLECT_EXPORT_LIST
static const char *export_file; /* <xxx>.x for AIX export list. */
-static const char *import_file; /* <xxx>.p for AIX import list. */
#endif
const char *ldout; /* File for ld errors. */
static const char *output_file; /* Output file for ld. */
static struct head destructors; /* list of destructors found */
#ifdef COLLECT_EXPORT_LIST
static struct head exports; /* list of exported symbols */
-static struct head imports; /* list of imported symbols */
-static struct head undefined; /* list of undefined symbols */
#endif
static struct head frame_tables; /* list of frame unwind info tables */
static int is_in_list PARAMS ((const char *, struct id *));
static void write_aix_file PARAMS ((FILE *, struct id *));
static char *resolve_lib_name PARAMS ((const char *));
-static int use_import_list PARAMS ((const char *));
static int ignore_library PARAMS ((const char *));
#endif
static char *extract_string PARAMS ((const char **));
#ifdef COLLECT_EXPORT_LIST
if (export_file != 0 && export_file[0])
maybe_unlink (export_file);
-
- if (import_file != 0 && import_file[0])
- maybe_unlink (import_file);
#endif
if (ldout != 0 && ldout[0])
#ifdef COLLECT_EXPORT_LIST
if (export_file != 0 && export_file[0])
maybe_unlink (export_file);
-
- if (import_file != 0 && import_file[0])
- maybe_unlink (import_file);
#endif
signal (signo, SIG_DFL);
o_file = make_temp_file (".o");
#ifdef COLLECT_EXPORT_LIST
export_file = make_temp_file (".x");
- import_file = make_temp_file (".p");
#endif
ldout = make_temp_file (".ld");
*c_ptr++ = c_file_name;
/* Resolving full library name. */
const char *s = resolve_lib_name (arg+2);
- /* If we will use an import list for this library,
- we should exclude it from ld args. */
- if (use_import_list (s))
- {
- ld1--;
- ld2--;
- }
-
/* Saving a full library name. */
add_to_list (&libs, s);
}
/* libraries can be specified directly, i.e. without -l flag. */
else
{
- /* If we will use an import list for this library,
- we should exclude it from ld args. */
- if (use_import_list (arg))
- {
- ld1--;
- ld2--;
- }
-
/* Saving a full library name. */
add_to_list (&libs, arg);
}
scan_prog_file (list->name, PASS_FIRST);
}
- if (frame_tables.number > 0 && shared_obj)
- {
- /* If there are any frames, then we will need
- the frame table handling functions. */
- add_to_list (&imports, "__register_frame_info_table");
- add_to_list (&imports, "__deregister_frame_info");
- }
-
if (exports.first)
{
char *buf = xmalloc (strlen (export_file) + 5);
if (fclose (exportf))
fatal_perror ("fclose %s", export_file);
}
-
- if (imports.first)
- {
- char *buf = xmalloc (strlen (import_file) + 5);
-
- sprintf (buf, "-bI:%s", import_file);
- *ld1++ = buf;
- *ld2++ = buf;
-
- importf = fopen (import_file, "w");
- if (importf == (FILE *) 0)
- fatal_perror ("%s", import_file);
- fputs ("#! .\n", importf);
- write_aix_file (importf, imports.first);
- if (fclose (importf))
- fatal_perror ("fclose %s", import_file);
- }
#endif
*c_ptr++ = c_file;
/* But make sure we delete the export file we may have created. */
if (export_file != 0 && export_file[0])
maybe_unlink (export_file);
- if (import_file != 0 && import_file[0])
- maybe_unlink (import_file);
#endif
maybe_unlink (c_file);
maybe_unlink (o_file);
#ifdef COLLECT_EXPORT_LIST
maybe_unlink (export_file);
- maybe_unlink (import_file);
#endif
maybe_unlink (c_file);
maybe_unlink (o_file);
#ifdef COLLECT_EXPORT_LIST
maybe_unlink (export_file);
- maybe_unlink (import_file);
#endif
return 0;
LDFILE *ldptr = NULL;
int sym_index, sym_count;
int is_shared = 0;
-#ifdef COLLECT_EXPORT_LIST
- /* Should we generate an import list for given prog_name? */
- int import_flag = (which_pass == PASS_OBJ ? 0 : use_import_list (prog_name));
-#endif
if (which_pass != PASS_FIRST && which_pass != PASS_OBJ)
return;
#ifdef COLLECT_EXPORT_LIST
if (which_pass == PASS_OBJ)
add_to_list (&exports, name);
- /* If this symbol was undefined and we are building
- an import list, we should add a symbol to this
- list. */
- else
- if (import_flag
- && is_in_list (name, undefined.first))
- add_to_list (&imports, name);
#endif
break;
#ifdef COLLECT_EXPORT_LIST
if (which_pass == PASS_OBJ)
add_to_list (&exports, name);
- /* If this symbol was undefined and we are building
- an import list, we should add a symbol to this
- list. */
- else
- if (import_flag
- && is_in_list (name, undefined.first))
- add_to_list (&imports, name);
#endif
break;
#ifdef COLLECT_EXPORT_LIST
if (which_pass == PASS_OBJ)
add_to_list (&exports, name);
- /* If we are building an import list, we
- should add the symbol to the list.
- We'd like to do it only if the symbol
- is not defined, but we can't tell
- that here (it is only known whether a symbol
- is referenced and not defined, but who
- would reference an EH table entry?). */
- else
- if (import_flag)
- add_to_list (&imports, name);
#endif
break;
default: /* not a constructor or destructor */
#ifdef COLLECT_EXPORT_LIST
/* If we are building a shared object on AIX we need
- to explicitly export all global symbols or add
- them to import list. */
+ to explicitly export all global symbols. */
if (shared_obj)
{
if (which_pass == PASS_OBJ && (! export_flag))
add_to_list (&exports, name);
- else if (! is_shared
- && which_pass == PASS_FIRST
- && import_flag
- && is_in_list(name, undefined.first))
- add_to_list (&imports, name);
}
#endif
continue;
symbol.iss, (long) symbol.value, symbol.index, name);
#endif
}
-#ifdef COLLECT_EXPORT_LIST
- /* If we are building a shared object we should collect
- information about undefined symbols for later
- import list generation. */
- else if (shared_obj && GCC_UNDEF_SYMBOL (symbol))
- {
- char *name;
-
- if ((name = ldgetname (ldptr, &symbol)) == NULL)
- continue; /* should never happen */
-
- /* All AIX function names have a duplicate entry
- beginning with a dot. */
- if (*name == '.')
- ++name;
- add_to_list (&undefined, name);
- }
-#endif
}
}
#ifdef COLLECT_EXPORT_LIST
#ifdef COLLECT_EXPORT_LIST
-
-/* This new function is used to decide whether we should
- generate import list for an object or to use it directly. */
-static int
-use_import_list (prog_name)
- const char *prog_name;
-{
- char *p;
-
- /* If we do not build a shared object then import list should not be used. */
- if (! shared_obj) return 0;
-
- /* Currently we check only for libgcc, but this can be changed in future. */
- p = strstr (prog_name, "libgcc.a");
- if (p != 0 && (strlen (p) == sizeof ("libgcc.a") - 1))
- return 1;
- return 0;
-}
-
/* Given a library name without "lib" prefix, this function
returns a full library name including a path. */
static char *
if (! strcmp (name, *p)) return 1;
return 0;
}
-
#endif
#endif /* OBJECT_FORMAT_COFF */
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