X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=ld%2Fldmisc.c;h=def598d639a208bb02e4921d9a3bd784d61632f3;hb=c9e214e571d08fa968a53210682a14060261b91c;hp=caa339fbea170484bd686370a33da310d623f3a1;hpb=7d6439d9742cb0fdecc1a045e62a47ae18f5fe82;p=binutils-gdb.git diff --git a/ld/ldmisc.c b/ld/ldmisc.c index caa339fbea1..def598d639a 100644 --- a/ld/ldmisc.c +++ b/ld/ldmisc.c @@ -1,54 +1,41 @@ /* ldmisc.c - Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc. - + Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, + 2000, 2002, 2003 + Free Software Foundation, Inc. Written by Steve Chamberlain of Cygnus Support. -This file is part of GLD, the Gnu Linker. + This file is part of GLD, the Gnu Linker. -GLD 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, or (at your option) -any later version. + GLD 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, or (at your option) + any later version. -GLD 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. + GLD 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 GLD; see the file COPYING. If not, write to -the Free Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */ + You should have received a copy of the GNU General Public License + along with GLD; see the file COPYING. If not, write to the Free + Software Foundation, 59 Temple Place - Suite 330, Boston, MA + 02111-1307, USA. */ #include "bfd.h" +#include "bfdlink.h" #include "sysdep.h" -#include -/* this collection of routines wants to use the Unix style varargs - use special abbreviated portion of varargs.h */ -#ifdef WINDOWS_NT -/* Since macro __STDC__ is defined, the compiler will raise and error if - VARARGS.H from mstools\h is included. Since we only need a portion of - this header file, it has been incorporated into local header file - xvarargs.h */ -#include "xvarargs.h" -#else -#include -#endif - +#include "libiberty.h" +#include "demangle.h" +#include #include "ld.h" #include "ldmisc.h" #include "ldexp.h" #include "ldlang.h" -#include "ldgram.h" +#include #include "ldlex.h" #include "ldmain.h" #include "ldfile.h" - -/* VARARGS*/ -static void finfo (); -static const char *demangle PARAMS ((const char *string, - int remove_underscore)); - /* %% literal % %F error is fatal @@ -61,398 +48,505 @@ static const char *demangle PARAMS ((const char *string, %X no object output, fail return %V hex bfd_vma %v hex bfd_vma, no leading zeros + %W hex bfd_vma with 0x with no leading zeros taking up 8 spaces %C clever filename:linenumber with function %D like %C, but no function name + %G like %D, but only function name %R info about a relent %s arbitrary string, like printf %d integer, like printf %u integer, like printf */ -static const char * -demangle (string, remove_underscore) - const char *string; - int remove_underscore; -{ - const char *res; - if (remove_underscore && output_bfd) - { - if (bfd_get_symbol_leading_char (output_bfd) == string[0]) - string++; - } - /* Note that there's a memory leak here, we keep buying memory - for demangled names, and never free. But if you have so many - errors that you run out of VM with the error messages, then - there's something up */ - res = cplus_demangle (string, DMGL_ANSI|DMGL_PARAMS); - return res ? res : string; -} - static void -vfinfo(fp, fmt, arg) - FILE *fp; - char *fmt; - va_list arg; +vfinfo (FILE *fp, const char *fmt, va_list arg) { - boolean fatal = false; - - while (*fmt) - { - while (*fmt != '%' && *fmt != '\0') - { - putc(*fmt, fp); - fmt++; - } + bfd_boolean fatal = FALSE; - if (*fmt == '%') + while (*fmt != '\0') { - fmt ++; - switch (*fmt++) - { - default: - fprintf(fp,"%%%c", fmt[-1]); - break; - - case '%': - /* literal % */ - putc('%', fp); - break; - - case 'X': - /* no object output, fail return */ - config.make_executable = false; - break; - - case 'V': - /* hex bfd_vma */ - { - bfd_vma value = va_arg(arg, bfd_vma); - fprintf_vma(fp, value); - } - break; - - case 'v': - /* hex bfd_vma, no leading zeros */ + while (*fmt != '%' && *fmt != '\0') { - char buf[100]; - char *p = buf; - bfd_vma value = va_arg (arg, bfd_vma); - sprintf_vma (p, value); - while (*p == '0') - p++; - if (!*p) - p--; - fputs (p, fp); + putc (*fmt, fp); + fmt++; } - break; - case 'T': - /* Symbol name. */ + if (*fmt == '%') { - const char *name = va_arg (arg, const char *); - - if (name != (const char *) NULL) - fprintf (fp, "%s", demangle (name, 1)); - else - fprintf (fp, "no symbol"); - } - break; - - case 'B': - /* filename from a bfd */ - { - bfd *abfd = va_arg(arg, bfd *); - if (abfd->my_archive) { - fprintf(fp,"%s(%s)", abfd->my_archive->filename, - abfd->filename); - } - else { - fprintf(fp,"%s", abfd->filename); - } - } - break; - - case 'F': - /* error is fatal */ - fatal = true; - break; - - case 'P': - /* print program name */ - fprintf(fp,"%s", program_name); - break; - - case 'E': - /* current bfd error or errno */ - fprintf(fp, bfd_errmsg(bfd_get_error ())); - break; - - case 'I': - /* filename from a lang_input_statement_type */ - { - lang_input_statement_type *i = - va_arg(arg,lang_input_statement_type *); - - if (i->the_bfd->my_archive) - fprintf(fp, "(%s)", i->the_bfd->my_archive->filename); - fprintf(fp,"%s", i->local_sym_name); - } - break; - - case 'S': - /* print script file and linenumber */ - if (parsing_defsym) - fprintf (fp, "--defsym %s", lex_string); - else if (ldfile_input_filename != NULL) - fprintf (fp, "%s:%u", ldfile_input_filename, lineno); - else - fprintf (fp, "built in linker script:%u", lineno); - break; - - case 'R': - /* Print all that's interesting about a relent */ - { - arelent *relent = va_arg(arg, arelent *); - - finfo (fp, "%s+0x%v (type %s)", - (*(relent->sym_ptr_ptr))->name, - relent->addend, - relent->howto->name); - } - break; - - case 'C': - case 'D': - /* Clever filename:linenumber with function name if possible, - or section name as a last resort. The arguments are a BFD, - a section, and an offset. */ - { - static bfd *last_bfd; - static char *last_file = NULL; - static char *last_function = NULL; - bfd *abfd; - asection *section; - bfd_vma offset; - lang_input_statement_type *entry; - asymbol **asymbols; - const char *filename; - const char *functionname; - unsigned int linenumber; - boolean discard_last; - - abfd = va_arg (arg, bfd *); - section = va_arg (arg, asection *); - offset = va_arg (arg, bfd_vma); - - entry = (lang_input_statement_type *) abfd->usrdata; - if (entry != (lang_input_statement_type *) NULL - && entry->asymbols != (asymbol **) NULL) - asymbols = entry->asymbols; - else - { - long symsize; - long symbol_count; - - symsize = bfd_get_symtab_upper_bound (abfd); - if (symsize < 0) - einfo ("%B%F: could not read symbols\n", abfd); - asymbols = (asymbol **) xmalloc (symsize); - symbol_count = bfd_canonicalize_symtab (abfd, asymbols); - if (symbol_count < 0) - einfo ("%B%F: could not read symbols\n", abfd); - if (entry != (lang_input_statement_type *) NULL) - { - entry->asymbols = asymbols; - entry->symbol_count = symbol_count; - } - } - - discard_last = true; - if (bfd_find_nearest_line (abfd, section, asymbols, offset, - &filename, &functionname, &linenumber)) + fmt++; + switch (*fmt++) { - if (functionname != NULL && fmt[-1] == 'C') - { - if (filename == (char *) NULL) - filename = abfd->filename; - - if (last_bfd == NULL - || last_file == NULL - || last_function == NULL - || last_bfd != abfd - || strcmp (last_file, filename) != 0 - || strcmp (last_function, functionname) != 0) - { - /* We use abfd->filename in this initial line, - in case filename is a .h file or something - similarly unhelpful. */ - finfo (fp, "%B: In function `%s':\n", - abfd, demangle (functionname, 1)); - - last_bfd = abfd; - if (last_file != NULL) + default: + fprintf (fp, "%%%c", fmt[-1]); + break; + + case '%': + /* literal % */ + putc ('%', fp); + break; + + case 'X': + /* no object output, fail return */ + config.make_executable = FALSE; + break; + + case 'V': + /* hex bfd_vma */ + { + bfd_vma value = va_arg (arg, bfd_vma); + fprintf_vma (fp, value); + } + break; + + case 'v': + /* hex bfd_vma, no leading zeros */ + { + char buf[100]; + char *p = buf; + bfd_vma value = va_arg (arg, bfd_vma); + sprintf_vma (p, value); + while (*p == '0') + p++; + if (!*p) + p--; + fputs (p, fp); + } + break; + + case 'W': + /* hex bfd_vma with 0x with no leading zeroes taking up + 8 spaces. */ + { + char buf[100]; + bfd_vma value; + char *p; + int len; + + value = va_arg (arg, bfd_vma); + sprintf_vma (buf, value); + for (p = buf; *p == '0'; ++p) + ; + if (*p == '\0') + --p; + len = strlen (p); + while (len < 8) + { + putc (' ', fp); + ++len; + } + fprintf (fp, "0x%s", p); + } + break; + + case 'T': + /* Symbol name. */ + { + const char *name = va_arg (arg, const char *); + + if (name == NULL || *name == 0) + fprintf (fp, _("no symbol")); + else if (! demangling) + fprintf (fp, "%s", name); + else + { + char *demangled; + + demangled = demangle (name); + fprintf (fp, "%s", demangled); + free (demangled); + } + } + break; + + case 'B': + /* filename from a bfd */ + { + bfd *abfd = va_arg (arg, bfd *); + if (abfd->my_archive) + fprintf (fp, "%s(%s)", abfd->my_archive->filename, + abfd->filename); + else + fprintf (fp, "%s", abfd->filename); + } + break; + + case 'F': + /* Error is fatal. */ + fatal = TRUE; + break; + + case 'P': + /* Print program name. */ + fprintf (fp, "%s", program_name); + break; + + case 'E': + /* current bfd error or errno */ + fprintf (fp, "%s", bfd_errmsg (bfd_get_error ())); + break; + + case 'I': + /* filename from a lang_input_statement_type */ + { + lang_input_statement_type *i; + + i = va_arg (arg, lang_input_statement_type *); + if (bfd_my_archive (i->the_bfd) != NULL) + fprintf (fp, "(%s)", + bfd_get_filename (bfd_my_archive (i->the_bfd))); + fprintf (fp, "%s", i->local_sym_name); + if (bfd_my_archive (i->the_bfd) == NULL + && strcmp (i->local_sym_name, i->filename) != 0) + fprintf (fp, " (%s)", i->filename); + } + break; + + case 'S': + /* Print script file and linenumber. */ + if (parsing_defsym) + fprintf (fp, "--defsym %s", lex_string); + else if (ldfile_input_filename != NULL) + fprintf (fp, "%s:%u", ldfile_input_filename, lineno); + else + fprintf (fp, _("built in linker script:%u"), lineno); + break; + + case 'R': + /* Print all that's interesting about a relent. */ + { + arelent *relent = va_arg (arg, arelent *); + + lfinfo (fp, "%s+0x%v (type %s)", + (*(relent->sym_ptr_ptr))->name, + relent->addend, + relent->howto->name); + } + break; + + case 'C': + case 'D': + case 'G': + /* Clever filename:linenumber with function name if possible. + The arguments are a BFD, a section, and an offset. */ + { + static bfd *last_bfd; + static char *last_file = NULL; + static char *last_function = NULL; + bfd *abfd; + asection *section; + bfd_vma offset; + lang_input_statement_type *entry; + asymbol **asymbols; + const char *filename; + const char *functionname; + unsigned int linenumber; + bfd_boolean discard_last; + + abfd = va_arg (arg, bfd *); + section = va_arg (arg, asection *); + offset = va_arg (arg, bfd_vma); + + entry = (lang_input_statement_type *) abfd->usrdata; + if (entry != (lang_input_statement_type *) NULL + && entry->asymbols != (asymbol **) NULL) + asymbols = entry->asymbols; + else + { + long symsize; + long symbol_count; + + symsize = bfd_get_symtab_upper_bound (abfd); + if (symsize < 0) + einfo (_("%B%F: could not read symbols\n"), abfd); + asymbols = xmalloc (symsize); + symbol_count = bfd_canonicalize_symtab (abfd, asymbols); + if (symbol_count < 0) + einfo (_("%B%F: could not read symbols\n"), abfd); + if (entry != (lang_input_statement_type *) NULL) + { + entry->asymbols = asymbols; + entry->symbol_count = symbol_count; + } + } + + lfinfo (fp, "%B(%s+0x%v)", abfd, section->name, offset); + + discard_last = TRUE; + if (bfd_find_nearest_line (abfd, section, asymbols, offset, + &filename, &functionname, + &linenumber)) + { + bfd_boolean need_colon = TRUE; + + if (functionname != NULL && fmt[-1] == 'C') + { + if (last_bfd == NULL + || last_file == NULL + || last_function == NULL + || last_bfd != abfd + || (filename != NULL + && strcmp (last_file, filename) != 0) + || strcmp (last_function, functionname) != 0) + { + lfinfo (fp, _(": In function `%T':\n"), + functionname); + need_colon = FALSE; + + last_bfd = abfd; + if (last_file != NULL) + free (last_file); + last_file = NULL; + if (filename) + last_file = xstrdup (filename); + if (last_function != NULL) + free (last_function); + last_function = xstrdup (functionname); + } + discard_last = FALSE; + } + + if (filename != NULL) + { + if (need_colon) + putc (':', fp); + fputs (filename, fp); + } + + if (functionname != NULL && fmt[-1] == 'G') + lfinfo (fp, ":%T", functionname); + else if (filename != NULL && linenumber != 0) + fprintf (fp, ":%u", linenumber); + } + + if (asymbols != NULL && entry == NULL) + free (asymbols); + + if (discard_last) + { + last_bfd = NULL; + if (last_file != NULL) + { free (last_file); - last_file = buystring (filename); - if (last_function != NULL) + last_file = NULL; + } + if (last_function != NULL) + { free (last_function); - last_function = buystring (functionname); - } - discard_last = false; - if (linenumber != 0) - fprintf (fp, "%s:%u", filename, linenumber); - else - finfo (fp, "%s(%s+0x%v)", filename, section->name, offset); - } - else if (filename == NULL - || strcmp (filename, abfd->filename) == 0) - { - finfo (fp, "%B(%s+0x%v)", abfd, section->name, offset); - if (linenumber != 0) - finfo (fp, "%u", linenumber); - } - else if (linenumber != 0) - finfo (fp, "%B:%s:%u", abfd, filename, linenumber); - else - finfo (fp, "%B(%s+0x%v):%s", abfd, section->name, offset, - filename); - } - else - finfo (fp, "%B(%s+0x%v)", abfd, section->name, offset); - - if (discard_last) - { - last_bfd = NULL; - if (last_file != NULL) - { - free (last_file); - last_file = NULL; - } - if (last_function != NULL) - { - free (last_function); - last_function = NULL; - } + last_function = NULL; + } + } + } + break; + + case 's': + /* arbitrary string, like printf */ + fprintf (fp, "%s", va_arg (arg, char *)); + break; + + case 'd': + /* integer, like printf */ + fprintf (fp, "%d", va_arg (arg, int)); + break; + + case 'u': + /* unsigned integer, like printf */ + fprintf (fp, "%u", va_arg (arg, unsigned int)); + break; } } - break; - - case 's': - /* arbitrary string, like printf */ - fprintf(fp,"%s", va_arg(arg, char *)); - break; - - case 'd': - /* integer, like printf */ - fprintf(fp,"%d", va_arg(arg, int)); - break; - - case 'u': - /* unsigned integer, like printf */ - fprintf(fp,"%u", va_arg(arg, unsigned int)); - break; - } } - } - if (fatal == true) - xexit(1); -} + if (config.fatal_warnings) + config.make_executable = FALSE; -/* Format info message and print on stdout. */ + if (fatal) + xexit (1); +} -/* (You would think this should be called just "info", but then you would - hosed by LynxOS, which defines that name in its libc.) */ +/* Wrapper around cplus_demangle. Strips leading underscores and + other such chars that would otherwise confuse the demangler. */ -void info_msg(va_alist) - va_dcl +char * +demangle (const char *name) { - char *fmt; - va_list arg; - va_start(arg); - fmt = va_arg(arg, char *); - vfinfo(stdout, fmt, arg); - va_end(arg); + char *res; + const char *p; + + if (output_bfd != NULL + && bfd_get_symbol_leading_char (output_bfd) == name[0]) + ++name; + + /* This is a hack for better error reporting on XCOFF, PowerPC64-ELF + or the MS PE format. These formats have a number of leading '.'s + on at least some symbols, so we remove all dots to avoid + confusing the demangler. */ + p = name; + while (*p == '.') + ++p; + + res = cplus_demangle (p, DMGL_ANSI | DMGL_PARAMS); + if (res) + { + size_t dots = p - name; + + /* Now put back any stripped dots. */ + if (dots != 0) + { + size_t len = strlen (res) + 1; + char *add_dots = xmalloc (len + dots); + + memcpy (add_dots, name, dots); + memcpy (add_dots + dots, res, len); + free (res); + res = add_dots; + } + return res; + } + return xstrdup (name); } -/* ('e' for error.) Format info message and print on stderr. */ +/* Format info message and print on stdout. */ -void einfo(va_alist) - va_dcl +/* (You would think this should be called just "info", but then you + would be hosed by LynxOS, which defines that name in its libc.) */ + +void +info_msg (const char *fmt, ...) { - char *fmt; va_list arg; - va_start(arg); - fmt = va_arg(arg, char *); - vfinfo(stderr, fmt, arg); - va_end(arg); + + va_start (arg, fmt); + vfinfo (stdout, fmt, arg); + va_end (arg); } -void -info_assert(file, line) - char *file; - unsigned int line; +/* ('e' for error.) Format info message and print on stderr. */ + +void +einfo (const char *fmt, ...) { - einfo("%F%P: internal error %s %d\n", file,line); + va_list arg; + + va_start (arg, fmt); + vfinfo (stderr, fmt, arg); + va_end (arg); } -char * -buystring (x) - CONST char *CONST x; +void +info_assert (const char *file, unsigned int line) { - size_t l = strlen(x)+1; - char *r = xmalloc(l); - memcpy(r, x,l); - return r; + einfo (_("%F%P: internal error %s %d\n"), file, line); } +/* ('m' for map) Format info message and print on map. */ -/* ('m' for map) Format info message and print on map. */ - -void minfo(va_alist) - va_dcl +void +minfo (const char *fmt, ...) { - char *fmt; va_list arg; - va_start(arg); - fmt = va_arg(arg, char *); - vfinfo(config.map_file, fmt, arg); - va_end(arg); -} + va_start (arg, fmt); + vfinfo (config.map_file, fmt, arg); + va_end (arg); +} -static void -finfo (va_alist) - va_dcl +void +lfinfo (FILE *file, const char *fmt, ...) { - char *fmt; - FILE *file; va_list arg; - va_start (arg); - file = va_arg (arg, FILE *); - fmt = va_arg (arg, char *); + + va_start (arg, fmt); vfinfo (file, fmt, arg); va_end (arg); } + +/* Functions to print the link map. */ +void +print_space (void) +{ + fprintf (config.map_file, " "); +} - -/*---------------------------------------------------------------------- - Functions to print the link map - */ - -void -print_space () +void +print_nl (void) { - fprintf(config.map_file, " "); + fprintf (config.map_file, "\n"); } -void -print_nl () + +/* A more or less friendly abort message. In ld.h abort is defined to + call this function. */ + +void +ld_abort (const char *file, int line, const char *fn) { - fprintf(config.map_file, "\n"); + if (fn != NULL) + einfo (_("%P: internal error: aborting at %s line %d in %s\n"), + file, line, fn); + else + einfo (_("%P: internal error: aborting at %s line %d\n"), + file, line); + einfo (_("%P%F: please report this bug\n")); + xexit (1); } -void -print_address (value) - bfd_vma value; + +bfd_boolean +error_handler (int id, const char *fmt, ...) { - fprintf_vma(config.map_file, value); + va_list arg; + + va_start (arg, fmt); + + switch (id) + { + default: + break; + + /* We can be called with + + error_handler (-LD_DEFINITION_IN_DISCARDED_SECTION, "", 0); + + to make this error non-fatal and + + error_handler (-LD_DEFINITION_IN_DISCARDED_SECTION, "", 1); + + to make this error fatal. */ + case -LD_DEFINITION_IN_DISCARDED_SECTION: + case LD_DEFINITION_IN_DISCARDED_SECTION: + { + static struct bfd_hash_table *hash; + static int fatal = 1; + const char *name; + + if (id == -LD_DEFINITION_IN_DISCARDED_SECTION) + { + fatal = va_arg (arg, int); + goto out; + } + + name = va_arg (arg, const char *); + /* Only warn once about a particular undefined symbol. */ + if (hash == NULL) + { + hash = xmalloc (sizeof (struct bfd_hash_table)); + if (! bfd_hash_table_init (hash, bfd_hash_newfunc)) + einfo (_("%F%P: bfd_hash_table_init failed: %E\n")); + } + + if (bfd_hash_lookup (hash, name, FALSE, FALSE) != NULL) + goto out; + + if (bfd_hash_lookup (hash, name, TRUE, TRUE) == NULL) + einfo (_("%F%P: bfd_hash_lookup failed: %E\n")); + + if (fatal) + config.make_executable = FALSE; + } + break; + } + vfinfo (stderr, fmt, arg); + +out: + va_end (arg); + return TRUE; }