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- /* ldmisc.c
- Copyright (C) 1991 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, 675 Mass Ave, Cambridge, MA 02139, USA. */
-
- #include "bfd.h"
- #include "sysdep.h"
- #include <varargs.h>
- #include <demangle.h>
-
- #include "ld.h"
- #include "ldmisc.h"
- #include "ldlang.h"
- #include "ldlex.h"
- /* IMPORTS */
-
- extern char *program_name;
-
- extern FILE *ldlex_input_stack;
- extern char *ldfile_input_filename;
- extern ld_config_type config;
-
-
- extern int errno;
- extern int sys_nerr;
- extern char *sys_errlist[];
-
- /*
- %F error is fatal
- %P print progam 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 table entry
- %X no object output, fail return
- %V hex bfd_vma
- %C Clever filename:linenumber
- %R info about a relent
- %
- */
- extern bfd *output_bfd;
-
- static char *
- demangle(string, remove_underscore)
- char *string;
- int remove_underscore;
- {
- 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;
- {
- boolean fatal = false;
- while (*fmt)
- {
- while (*fmt != '%' && *fmt != '\0')
- {
- putc(*fmt, fp);
- fmt++;
- }
- if (*fmt == '%')
- {
- fmt ++;
- switch (*fmt++)
- {
- case 'X':
- config.make_executable = false;
- break;
- case 'V':
- {
- bfd_vma value = va_arg(arg, bfd_vma);
- fprintf_vma(fp, value);
- }
- break;
- case 'T':
- {
- asymbol *symbol = va_arg(arg, asymbol *);
- if (symbol)
- {
-
-
- asection *section = symbol->section;
- char *cplusname = demangle(symbol->name, 1);
- CONST char *section_name = section->name;
- if (section != &bfd_und_section)
- {
- fprintf(fp,"%s (%s)", cplusname, section_name);
- }
- else
- {
- fprintf(fp,"%s", cplusname);
- }
- }
- else
- {
- fprintf(fp,"no symbol");
- }
- }
- break;
- case 'B':
- {
- 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':
- fatal = true;
- break;
- case 'P':
- fprintf(fp,"%s", program_name);
- break;
- case 'E':
- /* Replace with the most recent errno explanation */
-
-
- fprintf(fp, bfd_errmsg(bfd_error));
-
-
- break;
- case 'I':
- {
- lang_input_statement_type *i =
- va_arg(arg,lang_input_statement_type *);
-
- fprintf(fp,"%s", i->local_sym_name);
- }
- break;
- case 'S':
- /* Print source script file and line number */
-
- {
-
-
- extern unsigned int lineno;
- if (ldfile_input_filename == (char *)NULL) {
- fprintf(fp,"command line");
- }
- else {
- fprintf(fp,"%s:%u", ldfile_input_filename, lineno );
- }
- }
-
- break;
-
- case 'R':
- /* Print all that's interesting about a relent */
- {
- arelent *relent = va_arg(arg, arelent *);
-
- fprintf(fp,"%s+0x%x (type %s)",
- (*(relent->sym_ptr_ptr))->name,
- relent->addend,
- relent->howto->name);
-
-
- }
- break;
-
-
-
-
- case 'C':
- {
- CONST char *filename;
- CONST char *functionname;
- char *cplus_name;
-
- unsigned int linenumber;
- bfd *abfd = va_arg(arg, bfd *);
- asection *section = va_arg(arg, asection *);
- asymbol **symbols = va_arg(arg, asymbol **);
- bfd_vma offset = va_arg(arg, bfd_vma);
-
- if (bfd_find_nearest_line(abfd,
- section,
- symbols,
- offset,
- &filename,
- &functionname,
- &linenumber))
- {
- if (filename == (char *)NULL)
- filename = abfd->filename;
- if (functionname != (char *)NULL)
- {
- /* There is no initial '_' to remove here. */
- cplus_name = demangle(functionname, 0);
- fprintf(fp,"%s:%u: (%s)", filename, linenumber, cplus_name);
- }
-
- else if (linenumber != 0)
- fprintf(fp,"%s:%u", filename, linenumber);
- else
- fprintf(fp,"%s(%s+%0x)", filename,
- section->name,
- offset);
-
- }
- else {
- fprintf(fp,"%s(%s+%0x)", abfd->filename,
- section->name,
- offset);
- }
- }
- break;
-
- case 's':
- fprintf(fp,"%s", va_arg(arg, char *));
- break;
- case 'd':
- fprintf(fp,"%d", va_arg(arg, int));
- break;
- default:
- fprintf(fp,"%s", va_arg(arg, char *));
- break;
- }
- }
- }
- if (fatal == true)
- {
- extern char *output_filename;
- if (output_filename)
- {
- char *new = malloc(strlen(output_filename)+2);
- extern bfd *output_bfd;
-
- strcpy(new, output_filename);
- if (output_bfd && output_bfd->iostream)
- fclose((FILE *)(output_bfd->iostream));
- unlink(new);
- }
- exit(1);
- }
- }
-
- /* Format info message and print on stdout. */
-
- void info(va_alist)
- va_dcl
- {
- char *fmt;
- va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(stdout, fmt, arg);
- va_end(arg);
- }
-
- /* ('e' for error.) Format info message and print on stderr. */
-
- void einfo(va_alist)
- va_dcl
- {
- char *fmt;
- va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(stderr, fmt, arg);
- va_end(arg);
- }
-
- void
- info_assert(file, line)
- char *file;
- unsigned int line;
- {
- einfo("%F%P internal error %s %d\n", file,line);
- }
-
- /* Return a newly-allocated string
- whose contents concatenate those of S1, S2, S3. */
-
- char *
- DEFUN(concat, (s1, s2, s3),
- CONST char *s1 AND
- CONST char *s2 AND
- CONST char *s3)
- {
- bfd_size_type len1 = strlen (s1);
- bfd_size_type len2 = strlen (s2);
- bfd_size_type len3 = strlen (s3);
- char *result = ldmalloc (len1 + len2 + len3 + 1);
-
- if (len1 != 0)
- memcpy(result, s1, len1);
- if (len2 != 0)
- memcpy(result+len1, s2, len2);
- if (len3 != 0)
- memcpy(result+len1+len2, s2, len3);
- *(result + len1 + len2 + len3) = 0;
-
- return result;
- }
-
-
- PTR
- DEFUN(ldmalloc, (size),
- bfd_size_type size)
- {
- PTR result = malloc ((int)size);
-
- if (result == (char *)NULL && size != 0)
- einfo("%F%P virtual memory exhausted\n");
-
- return result;
- }
-
- PTR
- DEFUN(xmalloc,(size),
- int size)
- {
- return ldmalloc(size);
- }
-
-
- PTR
- DEFUN(ldrealloc, (ptr, size),
- PTR ptr AND
- bfd_size_type size)
- {
- PTR result = realloc (ptr, (int)size);
-
- if (result == (char *)NULL && size != 0)
- einfo("%F%P virtual memory exhausted\n");
-
- return result;
- }
-
- PTR
- DEFUN(xrealloc, (ptr, size),
- PTR ptr AND
- bfd_size_type size)
- {
- return ldrealloc(ptr, size);
- }
-
-
- char *DEFUN(buystring,(x),
- CONST char *CONST x)
- {
- bfd_size_type l = strlen(x)+1;
- char *r = ldmalloc(l);
- memcpy(r, x,l);
- return r;
- }
-
-
- /* ('m' for map) Format info message and print on map. */
-
- void minfo(va_alist)
- va_dcl
- {
- char *fmt;
- va_list arg;
- va_start(arg);
- fmt = va_arg(arg, char *);
- vfinfo(config.map_file, fmt, arg);
- va_end(arg);
- }
-
-
-
-
-
-
- /*----------------------------------------------------------------------
- Functions to print the link map
- */
-
- void
- DEFUN_VOID(print_space)
- {
- fprintf(config.map_file, " ");
- }
- void
- DEFUN_VOID(print_nl)
- {
- fprintf(config.map_file, "\n");
- }
- void
- DEFUN(print_address,(value),
- bfd_vma value)
- {
- fprintf_vma(config.map_file, value);
- }
-