/* Generic BFD library interface and support routines.
Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- 2000, 2001
+ 2000, 2001, 2002
Free Software Foundation, Inc.
Written by Cygnus Support.
.
.struct _bfd
.{
-. {* The filename the application opened the BFD with. *}
-. const char *filename;
+. {* The filename the application opened the BFD with. *}
+. const char *filename;
.
-. {* A pointer to the target jump table. *}
-. const struct bfd_target *xvec;
+. {* A pointer to the target jump table. *}
+. const struct bfd_target *xvec;
.
-. {* To avoid dragging too many header files into every file that
-. includes `<<bfd.h>>', IOSTREAM has been declared as a "char
-. *", and MTIME as a "long". Their correct types, to which they
-. are cast when used, are "FILE *" and "time_t". The iostream
-. is the result of an fopen on the filename. However, if the
-. BFD_IN_MEMORY flag is set, then iostream is actually a pointer
-. to a bfd_in_memory struct. *}
-. PTR iostream;
+. {* To avoid dragging too many header files into every file that
+. includes `<<bfd.h>>', IOSTREAM has been declared as a "char *",
+. and MTIME as a "long". Their correct types, to which they
+. are cast when used, are "FILE *" and "time_t". The iostream
+. is the result of an fopen on the filename. However, if the
+. BFD_IN_MEMORY flag is set, then iostream is actually a pointer
+. to a bfd_in_memory struct. *}
+. PTR iostream;
+.
+. {* Is the file descriptor being cached? That is, can it be closed as
+. needed, and re-opened when accessed later? *}
+. boolean cacheable;
+.
+. {* Marks whether there was a default target specified when the
+. BFD was opened. This is used to select which matching algorithm
+. to use to choose the back end. *}
+. boolean target_defaulted;
+.
+. {* The caching routines use these to maintain a
+. least-recently-used list of BFDs. *}
+. struct _bfd *lru_prev, *lru_next;
+.
+. {* When a file is closed by the caching routines, BFD retains
+. state information on the file here... *}
+. ufile_ptr where;
+.
+. {* ... and here: (``once'' means at least once). *}
+. boolean opened_once;
+.
+. {* Set if we have a locally maintained mtime value, rather than
+. getting it from the file each time. *}
+. boolean mtime_set;
+.
+. {* File modified time, if mtime_set is true. *}
+. long mtime;
+.
+. {* Reserved for an unimplemented file locking extension. *}
+. int ifd;
+.
+. {* The format which belongs to the BFD. (object, core, etc.) *}
+. bfd_format format;
+.
+. {* The direction with which the BFD was opened. *}
+. enum bfd_direction
+. {
+. no_direction = 0,
+. read_direction = 1,
+. write_direction = 2,
+. both_direction = 3
+. }
+. direction;
+.
+. {* Format_specific flags. *}
+. flagword flags;
+.
+. {* Currently my_archive is tested before adding origin to
+. anything. I believe that this can become always an add of
+. origin, with origin set to 0 for non archive files. *}
+. ufile_ptr origin;
+.
+. {* Remember when output has begun, to stop strange things
+. from happening. *}
+. boolean output_has_begun;
+.
+. {* A hash table for section names. *}
+. struct bfd_hash_table section_htab;
+.
+. {* Pointer to linked list of sections. *}
+. struct sec *sections;
+.
+. {* The place where we add to the section list. *}
+. struct sec **section_tail;
+.
+. {* The number of sections. *}
+. unsigned int section_count;
+.
+. {* Stuff only useful for object files:
+. The start address. *}
+. bfd_vma start_address;
+.
+. {* Used for input and output. *}
+. unsigned int symcount;
+.
+. {* Symbol table for output BFD (with symcount entries). *}
+. struct symbol_cache_entry **outsymbols;
+.
+. {* Pointer to structure which contains architecture information. *}
+. const struct bfd_arch_info *arch_info;
+.
+. {* Stuff only useful for archives. *}
+. PTR arelt_data;
+. struct _bfd *my_archive; {* The containing archive BFD. *}
+. struct _bfd *next; {* The next BFD in the archive. *}
+. struct _bfd *archive_head; {* The first BFD in the archive. *}
+. boolean has_armap;
.
-. {* Is the file descriptor being cached? That is, can it be closed as
-. needed, and re-opened when accessed later? *}
-.
-. boolean cacheable;
-.
-. {* Marks whether there was a default target specified when the
-. BFD was opened. This is used to select which matching algorithm
-. to use to choose the back end. *}
-.
-. boolean target_defaulted;
-.
-. {* The caching routines use these to maintain a
-. least-recently-used list of BFDs *}
-.
-. struct _bfd *lru_prev, *lru_next;
-.
-. {* When a file is closed by the caching routines, BFD retains
-. state information on the file here: *}
-.
-. ufile_ptr where;
-.
-. {* and here: (``once'' means at least once) *}
-.
-. boolean opened_once;
-.
-. {* Set if we have a locally maintained mtime value, rather than
-. getting it from the file each time: *}
-.
-. boolean mtime_set;
-.
-. {* File modified time, if mtime_set is true: *}
-.
-. long mtime;
-.
-. {* Reserved for an unimplemented file locking extension.*}
-.
-. int ifd;
-.
-. {* The format which belongs to the BFD. (object, core, etc.) *}
-.
-. bfd_format format;
-.
-. {* The direction the BFD was opened with*}
-.
-. enum bfd_direction {no_direction = 0,
-. read_direction = 1,
-. write_direction = 2,
-. both_direction = 3} direction;
-.
-. {* Format_specific flags*}
-.
-. flagword flags;
-.
-. {* Currently my_archive is tested before adding origin to
-. anything. I believe that this can become always an add of
-. origin, with origin set to 0 for non archive files. *}
-.
-. ufile_ptr origin;
-.
-. {* Remember when output has begun, to stop strange things
-. from happening. *}
-. boolean output_has_begun;
-.
-. {* Pointer to linked list of sections*}
-. struct sec *sections;
-.
-. {* The number of sections *}
-. unsigned int section_count;
-.
-. {* Stuff only useful for object files:
-. The start address. *}
-. bfd_vma start_address;
-.
-. {* Used for input and output*}
-. unsigned int symcount;
-.
-. {* Symbol table for output BFD (with symcount entries) *}
-. struct symbol_cache_entry **outsymbols;
-.
-. {* Pointer to structure which contains architecture information*}
-. const struct bfd_arch_info *arch_info;
-.
-. {* Stuff only useful for archives:*}
-. PTR arelt_data;
-. struct _bfd *my_archive; {* The containing archive BFD. *}
-. struct _bfd *next; {* The next BFD in the archive. *}
-. struct _bfd *archive_head; {* The first BFD in the archive. *}
-. boolean has_armap;
-.
-. {* A chain of BFD structures involved in a link. *}
-. struct _bfd *link_next;
-.
-. {* A field used by _bfd_generic_link_add_archive_symbols. This will
-. be used only for archive elements. *}
-. int archive_pass;
-.
-. {* Used by the back end to hold private data. *}
-.
-. union
-. {
+. {* A chain of BFD structures involved in a link. *}
+. struct _bfd *link_next;
+.
+. {* A field used by _bfd_generic_link_add_archive_symbols. This will
+. be used only for archive elements. *}
+. int archive_pass;
+.
+. {* Used by the back end to hold private data. *}
+. union
+. {
. struct aout_data_struct *aout_data;
. struct artdata *aout_ar_data;
. struct _oasys_data *oasys_obj_data;
. struct elf_obj_tdata *elf_obj_data;
. struct nlm_obj_tdata *nlm_obj_data;
. struct bout_data_struct *bout_data;
+. struct mmo_data_struct *mmo_data;
. struct sun_core_struct *sun_core_data;
. struct sco5_core_struct *sco5_core_data;
. struct trad_core_struct *trad_core_data;
. struct versados_data_struct *versados_data;
. struct netbsd_core_struct *netbsd_core_data;
. PTR any;
-. } tdata;
+. }
+. tdata;
.
-. {* Used by the application to hold private data*}
-. PTR usrdata;
+. {* Used by the application to hold private data. *}
+. PTR usrdata;
.
. {* Where all the allocated stuff under this BFD goes. This is a
. struct objalloc *, but we use PTR to avoid requiring the inclusion of
. objalloc.h. *}
-. PTR memory;
+. PTR memory;
.};
.
*/
. bfd_error_file_truncated,
. bfd_error_file_too_big,
. bfd_error_invalid_error_code
-.} bfd_error_type;
+.}
+.bfd_error_type;
.
*/
/* This is the default routine to handle BFD error messages. */
-#ifdef ANSI_PROTOTYPES
-
static void _bfd_default_error_handler PARAMS ((const char *s, ...));
static void
-_bfd_default_error_handler (const char *s, ...)
-{
- va_list p;
-
- if (_bfd_error_program_name != NULL)
- fprintf (stderr, "%s: ", _bfd_error_program_name);
- else
- fprintf (stderr, "BFD: ");
-
- va_start (p, s);
-
- vfprintf (stderr, s, p);
-
- va_end (p);
-
- fprintf (stderr, "\n");
-}
-
-#else /* ! defined (ANSI_PROTOTYPES) */
-
-static void _bfd_default_error_handler ();
-
-static void
-_bfd_default_error_handler (va_alist)
- va_dcl
+_bfd_default_error_handler VPARAMS ((const char *s, ...))
{
- va_list p;
- const char *s;
-
if (_bfd_error_program_name != NULL)
fprintf (stderr, "%s: ", _bfd_error_program_name);
else
fprintf (stderr, "BFD: ");
- va_start (p);
-
- s = va_arg (p, const char *);
+ VA_OPEN (p, s);
+ VA_FIXEDARG (p, const char *, s);
vfprintf (stderr, s, p);
-
- va_end (p);
+ VA_CLOSE (p);
fprintf (stderr, "\n");
}
-#endif /* ! defined (ANSI_PROTOTYPES) */
-
/* This is a function pointer to the routine which should handle BFD
error messages. It is called when a BFD routine encounters an
error for which it wants to print a message. Going through a
{
return _bfd_error_handler;
}
+
+/*
+FUNCTION
+ bfd_archive_filename
+
+SYNOPSIS
+ const char *bfd_archive_filename (bfd *);
+
+DESCRIPTION
+ For a BFD that is a component of an archive, returns a string
+ with both the archive name and file name. For other BFDs, just
+ returns the file name.
+*/
+
+const char *
+bfd_archive_filename (abfd)
+ bfd *abfd;
+{
+ if (abfd->my_archive)
+ {
+ static size_t curr = 0;
+ static char *buf;
+ size_t needed;
+
+ needed = (strlen (bfd_get_filename (abfd->my_archive))
+ + strlen (bfd_get_filename (abfd)) + 3);
+ if (needed > curr)
+ {
+ if (curr)
+ free (buf);
+ curr = needed + (needed >> 1);
+ buf = bfd_malloc ((bfd_size_type) curr);
+ /* If we can't malloc, fail safe by returning just the file
+ name. This function is only used when building error
+ messages. */
+ if (!buf)
+ {
+ curr = 0;
+ return bfd_get_filename (abfd);
+ }
+ }
+ sprintf (buf, "%s(%s)", bfd_get_filename (abfd->my_archive),
+ bfd_get_filename (abfd));
+ return buf;
+ }
+ else
+ return bfd_get_filename (abfd);
+}
\f
/*
SECTION
SYNOPSIS
void bfd_set_reloc
- (bfd *abfd, asection *sec, arelent **rel, unsigned int count)
+ (bfd *abfd, asection *sec, arelent **rel, unsigned int count);
DESCRIPTION
Set the relocation pointer and count within
const char *file;
int line;
{
- (*_bfd_error_handler) (_("bfd assertion fail %s:%d"), file, line);
+ (*_bfd_error_handler) (_("BFD %s assertion fail %s:%d"),
+ BFD_VERSION_STRING, file, line);
}
/* A more or less friendly abort message. In libbfd.h abort is
{
if (fn != NULL)
(*_bfd_error_handler)
- (_("BFD internal error, aborting at %s line %d in %s\n"),
- file, line, fn);
+ (_("BFD %s internal error, aborting at %s line %d in %s\n"),
+ BFD_VERSION_STRING, file, line, fn);
else
(*_bfd_error_handler)
- (_("BFD internal error, aborting at %s line %d\n"),
- file, line);
+ (_("BFD %s internal error, aborting at %s line %d\n"),
+ BFD_VERSION_STRING, file, line);
(*_bfd_error_handler) (_("Please report this bug.\n"));
xexit (EXIT_FAILURE);
}
in hex if a leading "0x" or "0X" is found, otherwise
in octal if a leading zero is found, otherwise in decimal.
- Overflow is not detected.
+ If the value would overflow, the maximum <<bfd_vma>> value is
+ returned.
*/
bfd_vma
int base;
{
bfd_vma value;
- int digit;
+ bfd_vma cutoff;
+ unsigned int cutlim;
+ int overflow;
/* Let the host do it if possible. */
if (sizeof (bfd_vma) <= sizeof (unsigned long))
return (bfd_vma) strtoul (string, (char **) end, base);
- /* A negative base makes no sense, and we only need to go as high as hex. */
- if ((base < 0) || (base > 16))
- return (bfd_vma) 0;
-
if (base == 0)
{
if (string[0] == '0')
{
if ((string[1] == 'x') || (string[1] == 'X'))
base = 16;
- /* XXX should we also allow "0b" or "0B" to set base to 2? */
else
base = 8;
}
- else
- base = 10;
}
- if ((base == 16) &&
- (string[0] == '0') && ((string[1] == 'x') || (string[1] == 'X')))
- string += 2;
- /* XXX should we also skip over "0b" or "0B" if base is 2? */
+ if ((base < 2) || (base > 36))
+ base = 10;
+
+ if (base == 16
+ && string[0] == '0'
+ && (string[1] == 'x' || string[1] == 'X')
+ && ISXDIGIT (string[2]))
+ {
+ string += 2;
+ }
+
+ cutoff = (~ (bfd_vma) 0) / (bfd_vma) base;
+ cutlim = (~ (bfd_vma) 0) % (bfd_vma) base;
+ value = 0;
+ overflow = 0;
+ while (1)
+ {
+ unsigned int digit;
-/* Speed could be improved with a table like hex_value[] in gas. */
-#define HEX_VALUE(c) \
- (ISXDIGIT (c) \
- ? (ISDIGIT (c) \
- ? (c - '0') \
- : (10 + c - (ISLOWER (c) ? 'a' : 'A'))) \
- : 42)
+ digit = *string;
+ if (ISDIGIT (digit))
+ digit = digit - '0';
+ else if (ISALPHA (digit))
+ digit = TOUPPER (digit) - 'A' + 10;
+ else
+ break;
+ if (digit >= (unsigned int) base)
+ break;
+ if (value > cutoff || (value == cutoff && digit > cutlim))
+ overflow = 1;
+ value = value * base + digit;
+ ++string;
+ }
- for (value = 0; (digit = HEX_VALUE (* string)) < base; string ++)
- value = value * base + digit;
+ if (overflow)
+ value = ~ (bfd_vma) 0;
- if (end)
- * end = string;
+ if (end != NULL)
+ *end = string;
return value;
}
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