From 252b5132c753830d5fd56823373aed85f2a0db63 Mon Sep 17 00:00:00 2001 From: Richard Henderson Date: Mon, 3 May 1999 07:29:11 +0000 Subject: 19990502 sourceware import --- ld/ldmisc.c | 538 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 538 insertions(+) create mode 100644 ld/ldmisc.c (limited to 'ld/ldmisc.c') diff --git a/ld/ldmisc.c b/ld/ldmisc.c new file mode 100644 index 0000000..8fab228 --- /dev/null +++ b/ld/ldmisc.c @@ -0,0 +1,538 @@ +/* ldmisc.c + Copyright (C) 1991, 92, 93, 94, 95, 96, 97, 98, 1999 + Free Software Foundation, Inc. + Written by Steve Chamberlain of Cygnus Support. + +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 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. */ + +#include "bfd.h" +#include "sysdep.h" +#include "libiberty.h" +#include "demangle.h" + +#ifdef ANSI_PROTOTYPES +#include +#define USE_STDARG 1 +#else +#include +#define USE_STDARG 0 +#endif + +#include "ld.h" +#include "ldmisc.h" +#include "ldexp.h" +#include "ldlang.h" +#include "ldgram.h" +#include "ldlex.h" +#include "ldmain.h" +#include "ldfile.h" + +static void vfinfo PARAMS ((FILE *, const char *, va_list)); + +/* + %% literal % + %F error is fatal + %P print program name + %S print script file and linenumber + %E current bfd error or errno + %I filename from a lang_input_statement_type + %B filename from a bfd + %T symbol name + %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 +*/ + +char * +demangle (string) + const char *string; +{ + char *res; + + if (output_bfd != NULL + && bfd_get_symbol_leading_char (output_bfd) == string[0]) + ++string; + + /* This is a hack for better error reporting on XCOFF, or the MS PE */ + /* format. Xcoff has a single '.', while the NT PE for PPC has '..'. */ + /* So we remove all of them. */ + while(string[0] == '.') + ++string; + + res = cplus_demangle (string, DMGL_ANSI | DMGL_PARAMS); + return res ? res : xstrdup (string); +} + +static void +vfinfo (fp, fmt, arg) + FILE *fp; + const char *fmt; + va_list arg; +{ + boolean fatal = false; + + while (*fmt != '\0') + { + while (*fmt != '%' && *fmt != '\0') + { + putc (*fmt, fp); + fmt++; + } + + if (*fmt == '%') + { + 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 */ + { + 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 == (const char *) 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, 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, + 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)) + { + if (functionname != NULL && fmt[-1] == 'G') + { + lfinfo (fp, "%B:", abfd); + if (filename != NULL + && strcmp (filename, bfd_get_filename (abfd)) != 0) + fprintf (fp, "%s:", filename); + lfinfo (fp, "%T", functionname); + } + else 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. */ + lfinfo (fp, _("%B: In function `%T':\n"), + abfd, functionname); + + last_bfd = abfd; + if (last_file != NULL) + free (last_file); + last_file = buystring (filename); + if (last_function != NULL) + free (last_function); + last_function = buystring (functionname); + } + discard_last = false; + if (linenumber != 0) + fprintf (fp, "%s:%u", filename, linenumber); + else + lfinfo (fp, "%s(%s+0x%v)", filename, section->name, + offset); + } + else if (filename == NULL + || strcmp (filename, abfd->filename) == 0) + { + lfinfo (fp, "%B(%s+0x%v)", abfd, section->name, + offset); + if (linenumber != 0) + lfinfo (fp, ":%u", linenumber); + } + else if (linenumber != 0) + lfinfo (fp, "%B:%s:%u", abfd, filename, linenumber); + else + lfinfo (fp, "%B(%s+0x%v):%s", abfd, section->name, + offset, filename); + } + else + lfinfo (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; + } + } + } + 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); +} + +/* Format info message and print on stdout. */ + +/* (You would think this should be called just "info", but then you + would hosed by LynxOS, which defines that name in its libc.) */ + +void +#if USE_STDARG +info_msg (const char *fmt, ...) +#else +info_msg (va_alist) + va_dcl +#endif +{ + va_list arg; + +#if ! USE_STDARG + const char *fmt; + + va_start (arg); + fmt = va_arg (arg, const char *); +#else + va_start (arg, fmt); +#endif + + vfinfo (stdout, fmt, arg); + va_end (arg); +} + +/* ('e' for error.) Format info message and print on stderr. */ + +void +#if USE_STDARG +einfo (const char *fmt, ...) +#else +einfo (va_alist) + va_dcl +#endif +{ + va_list arg; + +#if ! USE_STDARG + const char *fmt; + + va_start (arg); + fmt = va_arg (arg, const char *); +#else + va_start (arg, fmt); +#endif + + vfinfo (stderr, fmt, arg); + va_end (arg); +} + +void +info_assert (file, line) + const char *file; + unsigned int line; +{ + einfo (_("%F%P: internal error %s %d\n"), file, line); +} + +char * +buystring (x) + CONST char *CONST x; +{ + size_t l = strlen(x)+1; + char *r = xmalloc(l); + memcpy(r, x,l); + return r; +} + +/* ('m' for map) Format info message and print on map. */ + +void +#if USE_STDARG +minfo (const char *fmt, ...) +#else +minfo (va_alist) + va_dcl +#endif +{ + va_list arg; + +#if ! USE_STDARG + const char *fmt; + va_start (arg); + fmt = va_arg (arg, const char *); +#else + va_start (arg, fmt); +#endif + + vfinfo (config.map_file, fmt, arg); + va_end (arg); +} + +void +#if USE_STDARG +lfinfo (FILE *file, const char *fmt, ...) +#else +lfinfo (va_alist) + va_dcl +#endif +{ + va_list arg; + +#if ! USE_STDARG + FILE *file; + const char *fmt; + + va_start (arg); + file = va_arg (arg, FILE *); + fmt = va_arg (arg, const char *); +#else + va_start (arg, fmt); +#endif + + vfinfo (file, fmt, arg); + va_end (arg); +} + +/* Functions to print the link map. */ + +void +print_space () +{ + fprintf (config.map_file, " "); +} + +void +print_nl () +{ + fprintf (config.map_file, "\n"); +} -- cgit v1.1