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https://github.com/darlinghq/darling-gdb.git
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99fe455360
Chrisb bug fixes.
282 lines
5.6 KiB
C
282 lines
5.6 KiB
C
/* Copyright (C) 1991 Free Software Foundation, Inc.
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This file is part of GLD, the Gnu Linker.
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GLD is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 1, or (at your option)
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any later version.
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GLD is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GLD; see the file COPYING. If not, write to
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the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
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/*
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* $Id$
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*/
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/*
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ldmisc.c
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*/
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#include "sysdep.h"
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#include <varargs.h>
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#include "bfd.h"
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#include "ld.h"
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#include "ldmisc.h"
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#include "ldlang.h"
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#include "ldlex.h"
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/* IMPORTS */
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extern char *program_name;
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extern FILE *ldlex_input_stack;
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extern char *ldfile_input_filename;
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extern ld_config_type config;
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void
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yyerror(arg)
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char *arg;
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{
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info("%P%F: %S %s\n",arg);
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}
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extern int errno;
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extern int sys_nerr;
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extern char *sys_errlist[];
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/*
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%F error is fatal
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%P print progam name
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%S print script file and linenumber
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%E current bfd error or errno
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%I filename from a lang_input_statement_type
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%B filename from a bfd
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%T symbol table entry
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%X no object output, fail return
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%V hex bfd_vma
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%C Clever filename:linenumber
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%
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*/
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void info(va_alist)
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va_dcl
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{
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char *fmt;
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boolean fatal = false;
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va_list arg;
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va_start(arg);
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fmt = va_arg(arg, char *);
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while (*fmt) {
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while (*fmt != '%' && *fmt != '\0') {
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fputc(*fmt, stderr);
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fmt++;
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}
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if (*fmt == '%') {
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fmt ++;
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switch (*fmt++) {
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case 'X':
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config.make_executable = false;
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break;
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case 'V':
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fprintf(stderr,"%08lx", va_arg(arg, bfd_vma));
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break;
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case 'T':
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{
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asymbol *symbol = va_arg(arg, asymbol *);
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if (symbol) {
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asection *section = symbol->section;
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if ((symbol->flags & BSF_UNDEFINED) == 0) {
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CONST char *section_name = section == (asection *)NULL ?
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"absolute" : section->name;
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fprintf(stderr,"%s (%s)", symbol->name, section_name);
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}
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else {
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fprintf(stderr,"%s", symbol->name);
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}
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}
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else {
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fprintf(stderr,"no symbol");
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}
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}
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break;
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case 'B':
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{
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bfd *abfd = va_arg(arg, bfd *);
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if (abfd->my_archive) {
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fprintf(stderr,"%s(%s)", abfd->my_archive->filename,
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abfd->filename);
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}
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else {
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fprintf(stderr,"%s", abfd->filename);
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}
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}
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break;
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case 'F':
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fatal = true;
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break;
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case 'P':
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fprintf(stderr,"%s", program_name);
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break;
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case 'E':
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/* Replace with the most recent errno explanation */
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fprintf(stderr, bfd_errmsg(bfd_error));
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break;
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case 'I':
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{
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lang_input_statement_type *i =
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va_arg(arg,lang_input_statement_type *);
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fprintf(stderr,"%s", i->local_sym_name);
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}
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break;
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case 'S':
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/* Print source script file and line number */
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if (ldlex_input_stack) {
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extern unsigned int lineno;
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if (ldfile_input_filename == (char *)NULL) {
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fprintf(stderr,"command line");
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}
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else {
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fprintf(stderr,"%s:%u", ldfile_input_filename, lineno );
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}
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}
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else {
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int ch;
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int n = 0;
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fprintf(stderr,"command (just before \"");
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ch = lex_input();
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while (ch != 0 && n < 10) {
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fprintf(stderr, "%c", ch);
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ch = lex_input();
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n++;
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}
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fprintf(stderr,"\")");
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}
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break;
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case 'C':
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{
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CONST char *filename;
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CONST char *functionname;
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unsigned int linenumber;
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bfd *abfd = va_arg(arg, bfd *);
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asection *section = va_arg(arg, asection *);
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asymbol **symbols = va_arg(arg, asymbol **);
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bfd_vma offset = va_arg(arg, bfd_vma);
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if (bfd_find_nearest_line(abfd,
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section,
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symbols,
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offset,
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&filename,
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&functionname,
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&linenumber))
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{
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if (filename == (char *)NULL)
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filename = abfd->filename;
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if (functionname != (char *)NULL)
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fprintf(stderr,"%s:%u: (%s)", filename, linenumber, functionname);
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else if (linenumber != 0)
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fprintf(stderr,"%s:%u", filename, linenumber);
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else
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fprintf(stderr,"%s", filename);
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}
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else {
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fprintf(stderr,"%s", abfd->filename);
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}
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}
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break;
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case 's':
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fprintf(stderr,"%s", va_arg(arg, char *));
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break;
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case 'd':
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fprintf(stderr,"%d", va_arg(arg, int));
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break;
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default:
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fprintf(stderr,"%s", va_arg(arg, char *));
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break;
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}
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}
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}
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if (fatal == true) {
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extern char *output_filename;
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if (output_filename)
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unlink(output_filename);
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exit(1);
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}
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va_end(arg);
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}
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void
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info_assert(file, line)
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char *file;
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unsigned int line;
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{
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info("%F%P internal error %s %d\n", file,line);
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}
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/* Return a newly-allocated string
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whose contents concatenate those of S1, S2, S3. */
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char *
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DEFUN(concat, (s1, s2, s3),
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CONST char *s1 AND
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CONST char *s2 AND
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CONST char *s3)
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{
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size_t len1 = strlen (s1);
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size_t len2 = strlen (s2);
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size_t len3 = strlen (s3);
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char *result = ldmalloc (len1 + len2 + len3 + 1);
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if (len1 != 0)
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memcpy(result, s1, len1);
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if (len2 != 0)
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memcpy(result+len1, s2, len2);
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if (len3 != 0)
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memcpy(result+len1+len2, s2, len3);
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*(result + len1 + len2 + len3) = 0;
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return result;
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}
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char *ldmalloc (size)
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size_t size;
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{
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char * result = malloc (size);
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if (result == (char *)NULL && size != 0)
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info("%F%P virtual memory exhausted\n");
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return result;
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}
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char *DEFUN(buystring,(x),
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CONST char *CONST x)
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{
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size_t l = strlen(x)+1;
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char *r = ldmalloc(l);
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memcpy(r, x,l);
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return r;
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}
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