/* ldmisc.c
- Copyright (C) 1991 Free Software Foundation, Inc.
+ Copyright (C) 1991, 92, 93, 94 Free Software Foundation, Inc.
Written by Steve Chamberlain of Cygnus Support.
#include "bfd.h"
#include "sysdep.h"
#include <varargs.h>
+#include <demangle.h>
#include "ld.h"
#include "ldmisc.h"
+#include "ldexp.h"
#include "ldlang.h"
+#include "ldgram.h"
#include "ldlex.h"
-/* IMPORTS */
+#include "ldmain.h"
+#include "ldfile.h"
-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[];
+/* VARARGS*/
+static void finfo ();
+static const char *demangle PARAMS ((const char *string,
+ int remove_underscore));
/*
+ %% literal %
%F error is fatal
- %P print progam name
+ %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 table entry
+ %T symbol name
%X no object output, fail return
%V hex bfd_vma
- %C Clever filename:linenumber
+ %v hex bfd_vma, no leading zeros
+ %C clever filename:linenumber with function
+ %D like %C, but no function name
%R info about a relent
- %
+ %s arbitrary string, like printf
+ %d 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;
{
- extern char *cplus_demangle();
boolean fatal = false;
+
while (*fmt)
{
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':
- {
- bfd_vma value = va_arg(arg, bfd_vma);
- fprintf_vma(fp, value);
- }
+ /* 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 'T':
- {
- asymbol *symbol = va_arg(arg, asymbol *);
- if (symbol)
- {
-
-
- asection *section = symbol->section;
- char *cplusname = cplus_demangle(symbol->name, 1);
- CONST char *section_name = section->name;
- if (section != &bfd_und_section)
- {
- fprintf(fp,"%s (%s)", cplusname ? cplusname :
- symbol->name, section_name);
- }
- else
- {
- fprintf(fp,"%s", cplusname ? cplusname : symbol->name);
- }
-
- if (cplusname)
- {
- free(cplusname);
- }
-
- }
- else
- {
- fprintf(fp,"no symbol");
- }
- }
+ /* Symbol name. */
+ {
+ 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) {
}
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':
- /* Replace with the most recent errno explanation */
-
-
- fprintf(fp, bfd_errmsg(bfd_error));
-
+ 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 source script file and line number */
+ case 'S':
+ /* print script file and linenumber */
{
-
-
- extern unsigned int lineno;
- if (ldfile_input_filename == (char *)NULL) {
- fprintf(fp,"command line");
- }
- else {
+ if (ldfile_input_filename) {
fprintf(fp,"%s:%u", ldfile_input_filename, lineno );
}
}
-
break;
case 'R':
{
arelent *relent = va_arg(arg, arelent *);
- fprintf(fp,"%s+0x%x (type %s)",
- (*(relent->sym_ptr_ptr))->name,
- relent->addend,
- relent->howto->name);
-
-
+ finfo (fp, "%s+0x%v (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)
- {
- cplus_name = cplus_demangle(functionname, 1);
- fprintf(fp,"%s:%u: (%s)", filename, linenumber,
- cplus_name? cplus_name: functionname);
- if (cplus_name)
- free(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);
- }
- }
+ 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 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", abfd);
+ asymbols = (asymbol **) xmalloc (symsize);
+ symbol_count = bfd_canonicalize_symtab (abfd, asymbols);
+ if (symbol_count < 0)
+ einfo ("%B%F: could not read symbols", 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 (filename == (char *) NULL)
+ filename = abfd->filename;
+
+ if (functionname != NULL && fmt[-1] == 'C')
+ {
+ if (last_file == NULL
+ || last_function == NULL
+ || strcmp (last_file, filename) != 0
+ || strcmp (last_function, functionname) != 0)
+ {
+ fprintf (fp, "%s: In function `%s':\n", filename,
+ demangle (functionname, 1));
+ 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;
+ fprintf (fp, "%s:%u", filename, linenumber);
+ }
+ else if (linenumber != 0)
+ fprintf (fp, "%s:%u", filename, linenumber);
+ else
+ finfo (fp, "%s(%s+0x%v)", filename, section->name, offset);
+ }
+ else
+ finfo (fp, "%s(%s+0x%v)", abfd->filename, section->name, offset);
+
+ if (discard_last)
+ {
+ 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;
- 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);
- }
+ xexit(1);
}
/* Format info message and print on stdout. */
-void info(va_alist)
-va_dcl
+/* (You would think this should be called just "info", but then you would
+ hosed by LynxOS, which defines that name in its libc.) */
+
+void info_msg(va_alist)
+ va_dcl
{
char *fmt;
va_list arg;
/* ('e' for error.) Format info message and print on stderr. */
void einfo(va_alist)
-va_dcl
+ va_dcl
{
char *fmt;
va_list arg;
void
info_assert(file, line)
-char *file;
-unsigned int line;
+ char *file;
+ unsigned int line;
{
- einfo("%F%P internal error %s %d\n", file,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)
+buystring (x)
+ CONST char *CONST x;
{
- 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;
-}
-
-
-
-char *DEFUN(buystring,(x),
- CONST char *CONST x)
-{
- bfd_size_type l = strlen(x)+1;
- char *r = ldmalloc(l);
+ 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 minfo(va_alist)
-va_dcl
+ va_dcl
{
char *fmt;
va_list arg;
}
-
+static void
+finfo (va_alist)
+ va_dcl
+{
+ char *fmt;
+ FILE *file;
+ va_list arg;
+ va_start (arg);
+ file = va_arg (arg, FILE *);
+ fmt = va_arg (arg, char *);
+ vfinfo (file, fmt, arg);
+ va_end (arg);
+}
*/
void
-DEFUN_VOID(print_space)
+print_space ()
{
fprintf(config.map_file, " ");
}
void
-DEFUN_VOID(print_nl)
+print_nl ()
{
fprintf(config.map_file, "\n");
}
void
-DEFUN(print_address,(value),
- bfd_vma value)
+print_address (value)
+ bfd_vma value;
{
fprintf_vma(config.map_file, value);
}