/* BFD back-end for VERSAdos-E objects.
+ Copyright 1995, 1996, 1998, 1999, 2000, 2001, 2002
+ Free Software Foundation, Inc.
+ Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>.
Versados is a Motorola trademark.
- Copyright 1995 Free Software Foundation, Inc.
- Written by Steve Chamberlain of Cygnus Support <sac@cygnus.com>.
-
This file is part of BFD, the Binary File Descriptor library.
This program is free software; you can redistribute it and/or modify
o Object Text Recrod
o End Record
-
*/
#include "bfd.h"
#include "libbfd.h"
#include "libiberty.h"
-
static boolean versados_mkobject PARAMS ((bfd *));
static boolean versados_scan PARAMS ((bfd *));
static const bfd_target *versados_object_p PARAMS ((bfd *));
-
+static asymbol *versados_new_symbol PARAMS ((bfd *, int, const char *, bfd_vma, asection *));
+static char *new_symbol_string PARAMS ((bfd *, const char *));
+static const bfd_target *versados_object_p PARAMS ((bfd *));
+static boolean versados_pass_2 PARAMS ((bfd *));
+static boolean versados_get_section_contents
+ PARAMS ((bfd *, asection *, void *, file_ptr, bfd_size_type));
+static boolean versados_set_section_contents
+ PARAMS ((bfd *, sec_ptr, void *, file_ptr, bfd_size_type));
+static int versados_sizeof_headers PARAMS ((bfd *, boolean));
+static long int versados_get_symtab_upper_bound PARAMS ((bfd *));
+static long int versados_get_symtab PARAMS ((bfd *, asymbol **));
+static void versados_get_symbol_info
+ PARAMS ((bfd *, asymbol *, symbol_info *));
+static void versados_print_symbol
+ PARAMS ((bfd *, PTR, asymbol *, bfd_print_symbol_type));
+static long versados_get_reloc_upper_bound
+ PARAMS ((bfd *, sec_ptr));
+static long versados_canonicalize_reloc
+ PARAMS ((bfd *, sec_ptr, arelent **, asymbol **));
#define VHEADER '1'
#define VESTDEF '2'
#define VOTR '3'
#define VEND '4'
-
#define ES_BASE 17 /* first symbol has esdid 17 */
/* Per file target dependent information */
struct ext_otr otr;
};
-/* Initialize by filling in the hex conversion array. */
-
-
-
+static int get_record PARAMS ((bfd *, union ext_any *));
+static int get_4 PARAMS ((unsigned char **));
+static void get_10 PARAMS ((unsigned char **, char *));
+static void process_esd PARAMS ((bfd *, struct ext_esd *, int));
+static int get_offset PARAMS ((int, unsigned char *));
+static void process_otr PARAMS ((bfd *, struct ext_otr *, int));
+/* Initialize by filling in the hex conversion array. */
/* Set up the tdata information. */
{
if (abfd->tdata.versados_data == NULL)
{
- tdata_type *tdata = (tdata_type *) bfd_alloc (abfd, sizeof (tdata_type));
+ bfd_size_type amt = sizeof (tdata_type);
+ tdata_type *tdata = (tdata_type *) bfd_alloc (abfd, amt);
if (tdata == NULL)
return false;
abfd->tdata.versados_data = tdata;
return true;
}
-
/* Report a problem in an S record file. FIXME: This probably should
not call fprintf, but we really do need some mechanism for printing
error messages. */
-
-
static asymbol *
versados_new_symbol (abfd, snum, name, val, sec)
bfd *abfd;
return n;
}
-
static int
get_record (abfd, ptr)
bfd *abfd;
union ext_any *ptr;
{
- bfd_read (&ptr->size, 1, 1, abfd);
- if (bfd_read ((char *) ptr + 1, 1, ptr->size, abfd) != ptr->size)
+ if (bfd_bread (&ptr->size, (bfd_size_type) 1, abfd) != 1
+ || (bfd_bread ((char *) ptr + 1, (bfd_size_type) ptr->size, abfd)
+ != ptr->size))
return 0;
return 1;
}
-int
+static int
get_4 (pp)
unsigned char **pp;
{
return (p[0] << 24) | (p[1] << 16) | (p[2] << 8) | (p[3] << 0);
}
-void
+static void
get_10 (pp, name)
unsigned char **pp;
char *name;
static char *
new_symbol_string (abfd, name)
bfd *abfd;
- char *name;
+ const char *name;
{
char *n = VDATA (abfd)->strings;
strcpy (VDATA (abfd)->strings, name);
return n;
}
-
static void
process_esd (abfd, esd, pass)
bfd *abfd;
int esidx;
asymbol *s;
char *n = new_symbol_string (abfd, name);
- s = versados_new_symbol (abfd, snum, n, 0,
- &bfd_und_section, scn);
+ s = versados_new_symbol (abfd, snum, n, (bfd_vma) 0,
+ bfd_und_section_ptr);
esidx = VDATA (abfd)->es_done++;
RDATA (abfd, esidx - ES_BASE) = s;
}
}
break;
-
case ESD_ABS:
size = get_4 (&ptr);
start = get_4 (&ptr);
case ESD_XDEF_IN_SEC:
{
int snum = VDATA (abfd)->def_idx++;
- long val;
+ bfd_vma val;
get_10 (&ptr, name);
val = get_4 (&ptr);
if (pass == 1)
{
asymbol *s;
char *n = new_symbol_string (abfd, name);
- s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n, val, sec, scn);
+ s = versados_new_symbol (abfd, snum + VDATA (abfd)->nrefs, n,
+ val, sec);
s->flags |= BSF_GLOBAL;
}
}
"-v32", true, 0xffffffff, 0xffffffff, false),
};
-
static int
get_offset (len, ptr)
int len;
int need_contents = 0;
unsigned int dst_idx = esdid->pc;
- for (shift = (1 << 31); shift && srcp < endp; shift >>= 1)
+ for (shift = ((unsigned long) 1 << 31); shift && srcp < endp; shift >>= 1)
{
if (bits & shift)
{
int offsetlen = flag & 0x7;
int j;
-
if (esdids == 0)
{
/* A zero esdid means the new pc is the offset given */
int rn = EDATA (abfd, otr->esdid - 1).relocs++;
if (pass == 1)
{
- /* this is the first pass over the data,
+ /* this is the first pass over the data,
just remember that we need a reloc */
}
else
EDATA (abfd, otr->esdid - 1).pc = dst_idx;
if (!contents && need_contents)
- esdid->contents = (unsigned char *) bfd_alloc (abfd, esdid->section->_raw_size);
-
-
+ {
+ bfd_size_type size = esdid->section->_raw_size;
+ esdid->contents = (unsigned char *) bfd_alloc (abfd, size);
+ }
}
static boolean
int i;
int j;
int nsecs = 0;
+ bfd_size_type amt;
+ VDATA (abfd)->stringlen = 0;
VDATA (abfd)->nrefs = 0;
VDATA (abfd)->ndefs = 0;
VDATA (abfd)->ref_idx = 0;
VDATA (abfd)->def_idx = 0;
+ VDATA (abfd)->pass_2_done = 0;
while (loop)
{
struct esdid *esdid = &EDATA (abfd, i);
if (esdid->section)
{
- esdid->section->relocation
- = (arelent *) bfd_alloc (abfd, sizeof (arelent) * esdid->relocs);
+ amt = (bfd_size_type) esdid->relocs * sizeof (arelent);
+ esdid->section->relocation = (arelent *) bfd_alloc (abfd, amt);
esdid->pc = 0;
abfd->symcount += nsecs;
- VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd,
- sizeof (asymbol) * (abfd->symcount));
+ amt = abfd->symcount;
+ amt *= sizeof (asymbol);
+ VDATA (abfd)->symbols = (asymbol *) bfd_alloc (abfd, amt);
- VDATA (abfd)->strings = bfd_alloc (abfd, VDATA (abfd)->stringlen);
+ amt = VDATA (abfd)->stringlen;
+ VDATA (abfd)->strings = bfd_alloc (abfd, amt);
+ if ((VDATA (abfd)->symbols == NULL && abfd->symcount > 0)
+ || (VDATA (abfd)->strings == NULL && VDATA (abfd)->stringlen > 0))
+ return false;
/* Actually fill in the section symbols,
we stick them at the end of the table */
return 1;
}
-
-
/* Check whether an existing file is a versados file. */
static const bfd_target *
struct ext_vheader ext;
unsigned char len;
- if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET))
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
return NULL;
+ if (bfd_bread (&len, (bfd_size_type) 1, abfd) != 1)
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
+
+ if (bfd_bread (&ext.type, (bfd_size_type) len, abfd) != len)
+ {
+ if (bfd_get_error () != bfd_error_system_call)
+ bfd_set_error (bfd_error_wrong_format);
+ return NULL;
+ }
- bfd_read (&len, 1, 1, abfd);
- if (bfd_read (&ext.type, 1, len, abfd) != len
- || ext.type != '1')
+ /* We guess that the language field will never be larger than 10.
+ In sample files, it is always either 0 or 1. Checking for this
+ prevents confusion with Intel Hex files. */
+ if (ext.type != VHEADER
+ || ext.lang > 10)
{
bfd_set_error (bfd_error_wrong_format);
return NULL;
}
- /* ok, looks like a record, build the tdata and read
- in.. */
+ /* OK, looks like a record, build the tdata and read in. */
if (!versados_mkobject (abfd)
|| !versados_scan (abfd))
return abfd->xvec;
}
-
static boolean
versados_pass_2 (abfd)
bfd *abfd;
if (VDATA (abfd)->pass_2_done)
return 1;
- if (bfd_seek (abfd, 0, SEEK_SET) != 0)
+ if (bfd_seek (abfd, (file_ptr) 0, SEEK_SET) != 0)
return 0;
VDATA (abfd)->es_done = ES_BASE;
-
/* read records till we get to where we want to be */
while (1)
static boolean
versados_set_section_contents (abfd, section, location, offset, bytes_to_do)
- bfd *abfd;
- sec_ptr section;
- PTR location;
- file_ptr offset;
- bfd_size_type bytes_to_do;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ sec_ptr section ATTRIBUTE_UNUSED;
+ PTR location ATTRIBUTE_UNUSED;
+ file_ptr offset ATTRIBUTE_UNUSED;
+ bfd_size_type bytes_to_do ATTRIBUTE_UNUSED;
{
return false;
}
-
-/*ARGSUSED */
static int
versados_sizeof_headers (abfd, exec)
- bfd *abfd;
- boolean exec;
+ bfd *abfd ATTRIBUTE_UNUSED;
+ boolean exec ATTRIBUTE_UNUSED;
{
return 0;
}
-static asymbol *
-versados_make_empty_symbol (abfd)
- bfd *abfd;
-{
- asymbol *new = (asymbol *) bfd_zalloc (abfd, sizeof (asymbol));
- if (new)
- new->the_bfd = abfd;
- return new;
-}
-
/* Return the amount of memory needed to read the symbol table. */
static long
return symcount;
}
-/*ARGSUSED */
-void
+static void
versados_get_symbol_info (ignore_abfd, symbol, ret)
- bfd *ignore_abfd;
+ bfd *ignore_abfd ATTRIBUTE_UNUSED;
asymbol *symbol;
symbol_info *ret;
{
bfd_symbol_info (symbol, ret);
}
-/*ARGSUSED */
-void
-versados_print_symbol (ignore_abfd, afile, symbol, how)
- bfd *ignore_abfd;
+static void
+versados_print_symbol (abfd, afile, symbol, how)
+ bfd *abfd;
PTR afile;
asymbol *symbol;
bfd_print_symbol_type how;
fprintf (file, "%s", symbol->name);
break;
default:
- bfd_print_symbol_vandf ((PTR) file, symbol);
+ bfd_print_symbol_vandf (abfd, (PTR) file, symbol);
fprintf (file, " %-5s %s",
symbol->section->name,
symbol->name);
}
}
-long
+static long
versados_get_reloc_upper_bound (abfd, asect)
- bfd *abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
sec_ptr asect;
{
return (asect->reloc_count + 1) * sizeof (arelent *);
}
-
-long
+static long
versados_canonicalize_reloc (abfd, section, relptr, symbols)
bfd *abfd;
sec_ptr section;
#define versados_bfd_free_cached_info _bfd_generic_bfd_free_cached_info
#define versados_new_section_hook _bfd_generic_new_section_hook
-#define versados_bfd_is_local_label bfd_generic_is_local_label
+#define versados_bfd_is_local_label_name bfd_generic_is_local_label_name
#define versados_get_lineno _bfd_nosymbols_get_lineno
#define versados_find_nearest_line _bfd_nosymbols_find_nearest_line
+#define versados_make_empty_symbol _bfd_generic_make_empty_symbol
#define versados_bfd_make_debug_symbol _bfd_nosymbols_bfd_make_debug_symbol
#define versados_read_minisymbols _bfd_generic_read_minisymbols
#define versados_minisymbol_to_symbol _bfd_generic_minisymbol_to_symbol
#define versados_bfd_get_relocated_section_contents \
bfd_generic_get_relocated_section_contents
#define versados_bfd_relax_section bfd_generic_relax_section
+#define versados_bfd_gc_sections bfd_generic_gc_sections
+#define versados_bfd_merge_sections bfd_generic_merge_sections
#define versados_bfd_link_hash_table_create _bfd_generic_link_hash_table_create
#define versados_bfd_link_add_symbols _bfd_generic_link_add_symbols
#define versados_bfd_final_link _bfd_generic_final_link
{
"versados", /* name */
bfd_target_versados_flavour,
- true, /* target byte order */
- true, /* target headers byte order */
+ BFD_ENDIAN_BIG, /* target byte order */
+ BFD_ENDIAN_BIG, /* target headers byte order */
(HAS_RELOC | EXEC_P | /* object flags */
HAS_LINENO | HAS_DEBUG |
HAS_SYMS | HAS_LOCALS | WP_TEXT | D_PAGED),
BFD_JUMP_TABLE_LINK (versados),
BFD_JUMP_TABLE_DYNAMIC (_bfd_nodynamic),
+ NULL,
+
(PTR) 0
};
projects / deliverable / binutils-gdb.git / blobdiff