/* Generic BFD library interface and support routines.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001, 2002, 2003, 2004, 2005, 2006
+ 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
Free Software Foundation, Inc.
Written by Cygnus Support.
.
*/
-#include "bfd.h"
-#include "bfdver.h"
#include "sysdep.h"
#include <stdarg.h>
+#include "bfd.h"
+#include "bfdver.h"
#include "libiberty.h"
+#include "demangle.h"
#include "safe-ctype.h"
#include "bfdlink.h"
#include "libbfd.h"
. bfd_error_bad_value,
. bfd_error_file_truncated,
. bfd_error_file_too_big,
+. bfd_error_on_input,
. bfd_error_invalid_error_code
.}
.bfd_error_type;
*/
static bfd_error_type bfd_error = bfd_error_no_error;
+static bfd *input_bfd = NULL;
+static bfd_error_type input_error = bfd_error_no_error;
const char *const bfd_errmsgs[] =
{
N_("Bad value"),
N_("File truncated"),
N_("File too big"),
+ N_("Error reading %s: %s"),
N_("#<Invalid error code>")
};
bfd_set_error
SYNOPSIS
- void bfd_set_error (bfd_error_type error_tag);
+ void bfd_set_error (bfd_error_type error_tag, ...);
DESCRIPTION
Set the BFD error condition to be @var{error_tag}.
+ If @var{error_tag} is bfd_error_on_input, then this function
+ takes two more parameters, the input bfd where the error
+ occurred, and the bfd_error_type error.
*/
void
-bfd_set_error (bfd_error_type error_tag)
+bfd_set_error (bfd_error_type error_tag, ...)
{
bfd_error = error_tag;
+ if (error_tag == bfd_error_on_input)
+ {
+ /* This is an error that occurred during bfd_close when
+ writing an archive, but on one of the input files. */
+ va_list ap;
+
+ va_start (ap, error_tag);
+ input_bfd = va_arg (ap, bfd *);
+ input_error = va_arg (ap, int);
+ if (input_error >= bfd_error_on_input)
+ abort ();
+ va_end (ap);
+ }
}
/*
#ifndef errno
extern int errno;
#endif
+ if (error_tag == bfd_error_on_input)
+ {
+ char *buf;
+ const char *msg = bfd_errmsg (input_error);
+
+ if (asprintf (&buf, _(bfd_errmsgs [error_tag]), input_bfd->filename, msg)
+ != -1)
+ return buf;
+
+ /* Ick, what to do on out of memory? */
+ return msg;
+ }
+
if (error_tag == bfd_error_system_call)
return xstrerror (errno);
void
bfd_perror (const char *message)
{
- if (bfd_get_error () == bfd_error_system_call)
- /* Must be a system error then. */
- perror ((char *) message);
+ if (message == NULL || *message == '\0')
+ fprintf (stderr, "%s\n", bfd_errmsg (bfd_get_error ()));
else
- {
- if (message == NULL || *message == '\0')
- fprintf (stderr, "%s\n", bfd_errmsg (bfd_get_error ()));
- else
- fprintf (stderr, "%s: %s\n", message, bfd_errmsg (bfd_get_error ()));
- }
+ fprintf (stderr, "%s: %s\n", message, bfd_errmsg (bfd_get_error ()));
}
/*
name = bfd_get_target (abfd);
- /* Return a proper value for DJGPP & PE COFF (x86 COFF variants).
+ /* Return a proper value for DJGPP & PE COFF.
This function is required for DWARF2 support, but there is
no place to store this information in the COFF back end.
Should enough other COFF targets add support for DWARF2,
a place will have to be found. Until then, this hack will do. */
- if (strncmp (name, "coff-go32", sizeof ("coff-go32") - 1) == 0
+ if (CONST_STRNEQ (name, "coff-go32")
|| strcmp (name, "pe-i386") == 0
- || strcmp (name, "pei-i386") == 0)
+ || strcmp (name, "pei-i386") == 0
+ || strcmp (name, "pe-arm-wince-little") == 0
+ || strcmp (name, "pei-arm-wince-little") == 0)
return 1;
bfd_set_error (bfd_error_wrong_format);
amt = sizeof (struct elf_segment_map);
amt += ((bfd_size_type) count - 1) * sizeof (asection *);
- m = bfd_alloc (abfd, amt);
+ m = bfd_zalloc (abfd, amt);
if (m == NULL)
return FALSE;
- m->next = NULL;
m->p_type = type;
m->p_flags = flags;
m->p_paddr = at;
m->includes_filehdr = includes_filehdr;
m->includes_phdrs = includes_phdrs;
m->count = count;
- m->p_align_valid = FALSE;
- m->p_align = 0;
if (count > 0)
memcpy (m->sections, secs, count * sizeof (asection *));
{
if (bfd_get_flavour (abfd) == bfd_target_elf_flavour)
get_elf_backend_data (abfd)->elf_backend_fprintf_vma (abfd, stream, value);
+#ifdef BFD64
+ /* fprintf_vma() on a 64-bit enabled host will always print a 64-bit
+ value, but really we want to display the address in the target's
+ address size. Since we do not have a field in the bfd structure
+ to tell us this, we take a guess, based on the target's name. */
+ else if (strstr (bfd_get_target (abfd), "64") == NULL
+ && strcmp (bfd_get_target (abfd), "mmo") != 0)
+ fprintf ((FILE *) stream, "%08lx", (unsigned long) (value & 0xffffffff));
+#endif
else
fprintf_vma ((FILE *) stream, value);
}
offsetof (struct elf_backend_data,
commonpagesize), target);
}
+
+/*
+FUNCTION
+ bfd_demangle
+
+SYNOPSIS
+ char *bfd_demangle (bfd *, const char *, int);
+
+DESCRIPTION
+ Wrapper around cplus_demangle. Strips leading underscores and
+ other such chars that would otherwise confuse the demangler.
+ If passed a g++ v3 ABI mangled name, returns a buffer allocated
+ with malloc holding the demangled name. Returns NULL otherwise
+ and on memory alloc failure.
+*/
+
+char *
+bfd_demangle (bfd *abfd, const char *name, int options)
+{
+ char *res, *alloc;
+ const char *pre, *suf;
+ size_t pre_len;
+
+ if (abfd != NULL
+ && *name != '\0'
+ && bfd_get_symbol_leading_char (abfd) == *name)
+ ++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. */
+ pre = name;
+ while (*name == '.' || *name == '$')
+ ++name;
+ pre_len = name - pre;
+
+ /* Strip off @plt and suchlike too. */
+ alloc = NULL;
+ suf = strchr (name, '@');
+ if (suf != NULL)
+ {
+ alloc = bfd_malloc (suf - name + 1);
+ if (alloc == NULL)
+ return NULL;
+ memcpy (alloc, name, suf - name);
+ alloc[suf - name] = '\0';
+ name = alloc;
+ }
+
+ res = cplus_demangle (name, options);
+
+ if (alloc != NULL)
+ free (alloc);
+
+ if (res == NULL)
+ return NULL;
+
+ /* Put back any prefix or suffix. */
+ if (pre_len != 0 || suf != NULL)
+ {
+ size_t len;
+ size_t suf_len;
+ char *final;
+
+ len = strlen (res);
+ if (suf == NULL)
+ suf = res + len;
+ suf_len = strlen (suf) + 1;
+ final = bfd_malloc (pre_len + len + suf_len);
+ if (final == NULL)
+ return NULL;
+
+ memcpy (final, pre, pre_len);
+ memcpy (final + pre_len, res, len);
+ memcpy (final + pre_len + len, suf, suf_len);
+ free (res);
+ res = final;
+ }
+
+ return res;
+}