#define OBJ_HEADER "obj-coff.h"
#include "as.h"
#include "obstack.h"
#include "subsegs.h"
#ifdef TE_PE
#include "coff/pe.h"
#endif
#ifndef KEEP_RELOC_INFO
#define KEEP_RELOC_INFO
#endif
#ifndef TC_COFF_SECTION_DEFAULT_ATTRIBUTES
#define TC_COFF_SECTION_DEFAULT_ATTRIBUTES (SEC_LOAD | SEC_DATA)
#endif
static symbolS *def_symbol_in_progress;
#ifdef TE_PE
static const char weak_altprefix[] = ".weak.";
#endif
typedef struct
{
unsigned long chunk_size;
unsigned long element_size;
unsigned long size;
char *data;
unsigned long pointer;
}
stack;
static stack *stack_init PARAMS ((unsigned long, unsigned long));
static char *stack_push PARAMS ((stack *, char *));
static char *stack_pop PARAMS ((stack *));
static void tag_init PARAMS ((void));
static void tag_insert PARAMS ((const char *, symbolS *));
static symbolS *tag_find PARAMS ((char *));
static symbolS *tag_find_or_make PARAMS ((char *));
static void obj_coff_bss PARAMS ((int));
#ifdef BFD_ASSEMBLER
static void obj_coff_weak PARAMS ((int));
#endif
const char *s_get_name PARAMS ((symbolS * s));
static void obj_coff_ln PARAMS ((int));
static void obj_coff_def PARAMS ((int));
static void obj_coff_endef PARAMS ((int));
static void obj_coff_dim PARAMS ((int));
static void obj_coff_line PARAMS ((int));
static void obj_coff_size PARAMS ((int));
static void obj_coff_scl PARAMS ((int));
static void obj_coff_tag PARAMS ((int));
static void obj_coff_val PARAMS ((int));
static void obj_coff_type PARAMS ((int));
static void obj_coff_ident PARAMS ((int));
#ifdef BFD_ASSEMBLER
static void obj_coff_loc PARAMS((int));
#endif
static stack *
stack_init (chunk_size, element_size)
unsigned long chunk_size;
unsigned long element_size;
{
stack *st;
st = (stack *) malloc (sizeof (stack));
if (!st)
return 0;
st->data = malloc (chunk_size);
if (!st->data)
{
free (st);
return 0;
}
st->pointer = 0;
st->size = chunk_size;
st->chunk_size = chunk_size;
st->element_size = element_size;
return st;
}
static char *
stack_push (st, element)
stack *st;
char *element;
{
if (st->pointer + st->element_size >= st->size)
{
st->size += st->chunk_size;
if ((st->data = xrealloc (st->data, st->size)) == (char *) 0)
return (char *) 0;
}
memcpy (st->data + st->pointer, element, st->element_size);
st->pointer += st->element_size;
return st->data + st->pointer;
}
static char *
stack_pop (st)
stack *st;
{
if (st->pointer < st->element_size)
{
st->pointer = 0;
return (char *) 0;
}
st->pointer -= st->element_size;
return st->data + st->pointer;
}
static struct hash_control *tag_hash;
static void
tag_init ()
{
tag_hash = hash_new ();
}
static void
tag_insert (name, symbolP)
const char *name;
symbolS *symbolP;
{
const char *error_string;
if ((error_string = hash_jam (tag_hash, name, (char *) symbolP)))
{
as_fatal (_("Inserting \"%s\" into structure table failed: %s"),
name, error_string);
}
}
static symbolS *
tag_find (name)
char *name;
{
#ifdef STRIP_UNDERSCORE
if (*name == '_')
name++;
#endif
return (symbolS *) hash_find (tag_hash, name);
}
static symbolS *
tag_find_or_make (name)
char *name;
{
symbolS *symbolP;
if ((symbolP = tag_find (name)) == NULL)
{
symbolP = symbol_new (name, undefined_section,
0, &zero_address_frag);
tag_insert (S_GET_NAME (symbolP), symbolP);
#ifdef BFD_ASSEMBLER
symbol_table_insert (symbolP);
#endif
}
return symbolP;
}
static void
obj_coff_bss (ignore)
int ignore ATTRIBUTE_UNUSED;
{
if (*input_line_pointer == '\n')
subseg_new (".bss", get_absolute_expression ());
else
s_lcomm (0);
}
#ifdef BFD_ASSEMBLER
static segT fetch_coff_debug_section PARAMS ((void));
static void SA_SET_SYM_TAGNDX PARAMS ((symbolS *, symbolS *));
static int S_GET_DATA_TYPE PARAMS ((symbolS *));
void c_symbol_merge PARAMS ((symbolS *, symbolS *));
static void add_lineno PARAMS ((fragS *, addressT, int));
#define GET_FILENAME_STRING(X) \
((char*) (&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1])
static segT
fetch_coff_debug_section ()
{
static segT debug_section;
if (!debug_section)
{
const asymbol *s;
s = bfd_make_debug_symbol (stdoutput, (char *) 0, 0);
assert (s != 0);
debug_section = s->section;
}
return debug_section;
}
void
SA_SET_SYM_ENDNDX (sym, val)
symbolS *sym;
symbolS *val;
{
combined_entry_type *entry, *p;
entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1];
p = coffsymbol (symbol_get_bfdsym (val))->native;
entry->u.auxent.x_sym.x_fcnary.x_fcn.x_endndx.p = p;
entry->fix_end = 1;
}
static void
SA_SET_SYM_TAGNDX (sym, val)
symbolS *sym;
symbolS *val;
{
combined_entry_type *entry, *p;
entry = &coffsymbol (symbol_get_bfdsym (sym))->native[1];
p = coffsymbol (symbol_get_bfdsym (val))->native;
entry->u.auxent.x_sym.x_tagndx.p = p;
entry->fix_tag = 1;
}
static int
S_GET_DATA_TYPE (sym)
symbolS *sym;
{
return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type;
}
int
S_SET_DATA_TYPE (sym, val)
symbolS *sym;
int val;
{
coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type = val;
return val;
}
int
S_GET_STORAGE_CLASS (sym)
symbolS *sym;
{
return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass;
}
int
S_SET_STORAGE_CLASS (sym, val)
symbolS *sym;
int val;
{
coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass = val;
return val;
}
void
c_symbol_merge (debug, normal)
symbolS *debug;
symbolS *normal;
{
S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug));
S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug));
if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal))
{
S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug));
}
if (S_GET_NUMBER_AUXILIARY (debug) > 0)
{
memcpy (SYM_AUXINFO (normal), SYM_AUXINFO (debug),
(S_GET_NUMBER_AUXILIARY (debug)
* sizeof (*SYM_AUXINFO (debug))));
}
SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug));
}
void
c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED)
{
symbolS *symbolP;
symbolP = symbol_new (filename, bfd_abs_section_ptr, 0, &zero_address_frag);
S_SET_STORAGE_CLASS (symbolP, C_FILE);
S_SET_NUMBER_AUXILIARY (symbolP, 1);
symbol_get_bfdsym (symbolP)->flags = BSF_DEBUGGING;
#ifndef NO_LISTING
{
extern int listing;
if (listing)
{
listing_source_file (filename);
}
}
#endif
if (symbol_rootP != symbolP)
{
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP);
}
}
struct line_no {
struct line_no *next;
fragS *frag;
alent l;
};
int coff_line_base;
static symbolS *line_fsym;
#define in_function() (line_fsym != 0)
#define clear_function() (line_fsym = 0)
#define set_function(F) (line_fsym = (F), coff_add_linesym (F))
void
coff_obj_symbol_new_hook (symbolP)
symbolS *symbolP;
{
long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type);
char * s = (char *) xmalloc (sz);
memset (s, 0, sz);
coffsymbol (symbol_get_bfdsym (symbolP))->native = (combined_entry_type *) s;
S_SET_DATA_TYPE (symbolP, T_NULL);
S_SET_STORAGE_CLASS (symbolP, 0);
S_SET_NUMBER_AUXILIARY (symbolP, 0);
if (S_IS_STRING (symbolP))
SF_SET_STRING (symbolP);
if (S_IS_LOCAL (symbolP))
SF_SET_LOCAL (symbolP);
}
static symbolS *current_lineno_sym;
static struct line_no *line_nos;
int coff_n_line_nos;
static void
add_lineno (frag, offset, num)
fragS *frag;
addressT offset;
int num;
{
struct line_no *new_line =
(struct line_no *) xmalloc (sizeof (struct line_no));
if (!current_lineno_sym)
{
abort ();
}
#ifndef OBJ_XCOFF
if (num <= 0)
{
as_warn (_("Line numbers must be positive integers\n"));
num = 1;
}
#endif
new_line->next = line_nos;
new_line->frag = frag;
new_line->l.line_number = num;
new_line->l.u.offset = offset;
line_nos = new_line;
coff_n_line_nos++;
}
void
coff_add_linesym (sym)
symbolS *sym;
{
if (line_nos)
{
coffsymbol (symbol_get_bfdsym (current_lineno_sym))->lineno =
(alent *) line_nos;
coff_n_line_nos++;
line_nos = 0;
}
current_lineno_sym = sym;
}
static void
obj_coff_ln (appline)
int appline;
{
int l;
if (! appline && def_symbol_in_progress != NULL)
{
as_warn (_(".ln pseudo-op inside .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
l = get_absolute_expression ();
if (appline || current_lineno_sym == NULL)
new_logical_line ((char *) NULL, l - 1);
else
add_lineno (frag_now, frag_now_fix (), l);
#ifndef NO_LISTING
{
extern int listing;
if (listing)
{
if (! appline)
l += coff_line_base - 1;
listing_source_line (l);
}
}
#endif
demand_empty_rest_of_line ();
}
static void
obj_coff_loc (ignore)
int ignore ATTRIBUTE_UNUSED;
{
int lineno;
if (now_seg != text_section)
{
as_warn (_(".loc outside of .text"));
demand_empty_rest_of_line ();
return;
}
if (def_symbol_in_progress != NULL)
{
as_warn (_(".loc pseudo-op inside .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
SKIP_WHITESPACE ();
get_absolute_expression ();
SKIP_WHITESPACE ();
lineno = get_absolute_expression ();
#ifndef NO_LISTING
{
extern int listing;
if (listing)
{
lineno += coff_line_base - 1;
listing_source_line (lineno);
}
}
#endif
demand_empty_rest_of_line ();
add_lineno (frag_now, frag_now_fix (), lineno);
}
static void
obj_coff_ident (ignore)
int ignore ATTRIBUTE_UNUSED;
{
segT current_seg = now_seg;
subsegT current_subseg = now_subseg;
#ifdef TE_PE
{
segT sec;
sec = subseg_new (".rdata$zzz", 0);
bfd_set_section_flags (stdoutput, sec,
((SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_DATA)
& bfd_applicable_section_flags (stdoutput)));
}
#else
subseg_new (".comment", 0);
#endif
stringer (1);
subseg_set (current_seg, current_subseg);
}
#define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';')
#define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \
*input_line_pointer == '\t') \
input_line_pointer++;
static void
obj_coff_def (what)
int what ATTRIBUTE_UNUSED;
{
char name_end;
char *symbol_name;
char *symbol_name_copy;
unsigned int symbol_name_length;
if (def_symbol_in_progress != NULL)
{
as_warn (_(".def pseudo-op used inside of .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
SKIP_WHITESPACES ();
symbol_name = input_line_pointer;
#ifdef STRIP_UNDERSCORE
if (symbol_name[0] == '_' && symbol_name[1] != 0)
symbol_name++;
#endif
name_end = get_symbol_end ();
symbol_name_length = strlen (symbol_name);
symbol_name_copy = xmalloc (symbol_name_length + 1);
strcpy (symbol_name_copy, symbol_name);
#ifdef tc_canonicalize_symbol_name
symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy);
#endif
def_symbol_in_progress = symbol_make (symbol_name_copy);
symbol_set_frag (def_symbol_in_progress, &zero_address_frag);
S_SET_VALUE (def_symbol_in_progress, 0);
if (S_IS_STRING (def_symbol_in_progress))
SF_SET_STRING (def_symbol_in_progress);
*input_line_pointer = name_end;
demand_empty_rest_of_line ();
}
unsigned int dim_index;
static void
obj_coff_endef (ignore)
int ignore ATTRIBUTE_UNUSED;
{
symbolS *symbolP = NULL;
dim_index = 0;
if (def_symbol_in_progress == NULL)
{
as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
switch (S_GET_STORAGE_CLASS (def_symbol_in_progress))
{
case C_STRTAG:
case C_ENTAG:
case C_UNTAG:
SF_SET_TAG (def_symbol_in_progress);
case C_FILE:
case C_TPDEF:
SF_SET_DEBUG (def_symbol_in_progress);
S_SET_SEGMENT (def_symbol_in_progress, fetch_coff_debug_section ());
break;
case C_EFCN:
SF_SET_LOCAL (def_symbol_in_progress);
case C_BLOCK:
SF_SET_PROCESS (def_symbol_in_progress);
case C_FCN:
{
const char *name;
S_SET_SEGMENT (def_symbol_in_progress, text_section);
name = S_GET_NAME (def_symbol_in_progress);
if (name[0] == '.' && name[2] == 'f' && name[3] == '\0')
{
switch (name[1])
{
case 'b':
if (! in_function ())
as_warn (_("`%s' symbol without preceding function"), name);
SF_SET_PROCESS (def_symbol_in_progress);
clear_function ();
break;
#ifdef TE_PE
case 'e':
SA_SET_SYM_LNNO (def_symbol_in_progress,
(SA_GET_SYM_LNNO (def_symbol_in_progress)
+ coff_line_base));
break;
#endif
}
}
}
break;
#ifdef C_AUTOARG
case C_AUTOARG:
#endif
case C_AUTO:
case C_REG:
case C_ARG:
case C_REGPARM:
case C_FIELD:
#ifdef STRICTCOFF
case C_MOS:
case C_MOE:
case C_MOU:
case C_EOS:
#endif
SF_SET_DEBUG (def_symbol_in_progress);
S_SET_SEGMENT (def_symbol_in_progress, absolute_section);
break;
#ifndef STRICTCOFF
case C_MOS:
case C_MOE:
case C_MOU:
case C_EOS:
S_SET_SEGMENT (def_symbol_in_progress, absolute_section);
break;
#endif
case C_EXT:
case C_WEAKEXT:
#ifdef TE_PE
case C_NT_WEAK:
#endif
case C_STAT:
case C_LABEL:
break;
default:
case C_USTATIC:
case C_EXTDEF:
case C_ULABEL:
as_warn (_("unexpected storage class %d"),
S_GET_STORAGE_CLASS (def_symbol_in_progress));
break;
}
if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN
|| S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL
|| (!strcmp (bfd_get_section_name (stdoutput,
S_GET_SEGMENT (def_symbol_in_progress)),
"*DEBUG*")
&& !SF_GET_TAG (def_symbol_in_progress))
|| S_GET_SEGMENT (def_symbol_in_progress) == absolute_section
|| ! symbol_constant_p (def_symbol_in_progress)
|| (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress),
DO_NOT_STRIP)) == NULL
|| SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP))
{
if (def_symbol_in_progress != symbol_lastP)
{
symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP,
&symbol_lastP);
}
}
else
{
c_symbol_merge (def_symbol_in_progress, symbolP);
symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
def_symbol_in_progress = symbolP;
if (SF_GET_FUNCTION (def_symbol_in_progress)
|| SF_GET_TAG (def_symbol_in_progress)
|| S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT)
{
if (def_symbol_in_progress != symbol_lastP)
{
symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP, &symbol_lastP);
}
}
}
if (SF_GET_TAG (def_symbol_in_progress))
{
symbolS *oldtag;
oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress),
DO_NOT_STRIP);
if (oldtag == NULL || ! SF_GET_TAG (oldtag))
tag_insert (S_GET_NAME (def_symbol_in_progress),
def_symbol_in_progress);
}
if (SF_GET_FUNCTION (def_symbol_in_progress))
{
know (sizeof (def_symbol_in_progress) <= sizeof (long));
set_function (def_symbol_in_progress);
SF_SET_PROCESS (def_symbol_in_progress);
if (symbolP == NULL)
{
symbol_table_insert (def_symbol_in_progress);
}
}
def_symbol_in_progress = NULL;
demand_empty_rest_of_line ();
}
static void
obj_coff_dim (ignore)
int ignore ATTRIBUTE_UNUSED;
{
int dim_index;
if (def_symbol_in_progress == NULL)
{
as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
for (dim_index = 0; dim_index < DIMNUM; dim_index++)
{
SKIP_WHITESPACES ();
SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index,
get_absolute_expression ());
switch (*input_line_pointer)
{
case ',':
input_line_pointer++;
break;
default:
as_warn (_("badly formed .dim directive ignored"));
case '\n':
case ';':
dim_index = DIMNUM;
break;
}
}
demand_empty_rest_of_line ();
}
static void
obj_coff_line (ignore)
int ignore ATTRIBUTE_UNUSED;
{
int this_base;
if (def_symbol_in_progress == NULL)
{
obj_coff_ln (0);
return;
}
this_base = get_absolute_expression ();
if (!strcmp (".bf", S_GET_NAME (def_symbol_in_progress)))
coff_line_base = this_base;
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
SA_SET_SYM_LNNO (def_symbol_in_progress, this_base);
demand_empty_rest_of_line ();
#ifndef NO_LISTING
if (strcmp (".bf", S_GET_NAME (def_symbol_in_progress)) == 0)
{
extern int listing;
if (listing)
listing_source_line ((unsigned int) this_base);
}
#endif
}
static void
obj_coff_size (ignore)
int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
as_warn (_(".size pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ());
demand_empty_rest_of_line ();
}
static void
obj_coff_scl (ignore)
int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
as_warn (_(".scl pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ());
demand_empty_rest_of_line ();
}
static void
obj_coff_tag (ignore)
int ignore ATTRIBUTE_UNUSED;
{
char *symbol_name;
char name_end;
if (def_symbol_in_progress == NULL)
{
as_warn (_(".tag pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
symbol_name = input_line_pointer;
name_end = get_symbol_end ();
#ifdef tc_canonicalize_symbol_name
symbol_name = tc_canonicalize_symbol_name (symbol_name);
#endif
SA_SET_SYM_TAGNDX (def_symbol_in_progress,
tag_find_or_make (symbol_name));
if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L)
{
as_warn (_("tag not found for .tag %s"), symbol_name);
}
SF_SET_TAGGED (def_symbol_in_progress);
*input_line_pointer = name_end;
demand_empty_rest_of_line ();
}
static void
obj_coff_type (ignore)
int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
as_warn (_(".type pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ());
if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) &&
S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF)
{
SF_SET_FUNCTION (def_symbol_in_progress);
}
demand_empty_rest_of_line ();
}
static void
obj_coff_val (ignore)
int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
as_warn (_(".val pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
if (is_name_beginner (*input_line_pointer))
{
char *symbol_name = input_line_pointer;
char name_end = get_symbol_end ();
#ifdef tc_canonicalize_symbol_name
symbol_name = tc_canonicalize_symbol_name (symbol_name);
#endif
if (!strcmp (symbol_name, "."))
{
symbol_set_frag (def_symbol_in_progress, frag_now);
S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ());
}
else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name))
{
expressionS exp;
exp.X_op = O_symbol;
exp.X_add_symbol = symbol_find_or_make (symbol_name);
exp.X_op_symbol = NULL;
exp.X_add_number = 0;
symbol_set_value_expression (def_symbol_in_progress, &exp);
SF_SET_GET_SEGMENT (def_symbol_in_progress);
}
*input_line_pointer = name_end;
}
else
{
S_SET_VALUE (def_symbol_in_progress, get_absolute_expression ());
}
demand_empty_rest_of_line ();
}
#ifdef TE_PE
static int
weak_is_altname (const char * name)
{
return ! strncmp (name, weak_altprefix, sizeof (weak_altprefix) - 1);
}
static const char *
weak_name2altname (const char * name)
{
char *alt_name;
alt_name = xmalloc (sizeof (weak_altprefix) + strlen (name));
strcpy (alt_name, weak_altprefix);
return strcat (alt_name, name);
}
static const char *
weak_altname2name (const char * name)
{
char * weak_name;
char * dot;
assert (weak_is_altname (name));
weak_name = xstrdup (name + 6);
if ((dot = strchr (weak_name, '.')))
*dot = 0;
return weak_name;
}
static const char *
weak_uniquify (const char * name)
{
char *ret;
const char * unique = "";
#ifdef USE_UNIQUE
if (an_external_name != NULL)
unique = an_external_name;
#endif
assert (weak_is_altname (name));
if (strchr (name + sizeof (weak_altprefix), '.'))
return name;
ret = xmalloc (strlen (name) + strlen (unique) + 2);
strcpy (ret, name);
strcat (ret, ".");
strcat (ret, unique);
return ret;
}
#endif
static void
obj_coff_weak (int ignore ATTRIBUTE_UNUSED)
{
char *name;
int c;
symbolS *symbolP;
#ifdef TE_PE
symbolS *alternateP;
#endif
do
{
name = input_line_pointer;
c = get_symbol_end ();
if (*name == 0)
{
as_warn (_("badly formed .weak directive ignored"));
ignore_rest_of_line ();
return;
}
c = 0;
symbolP = symbol_find_or_make (name);
*input_line_pointer = c;
SKIP_WHITESPACE ();
#if defined BFD_ASSEMBLER || defined S_SET_WEAK
S_SET_WEAK (symbolP);
#endif
#ifdef TE_PE
S_SET_STORAGE_CLASS (symbolP, C_NT_WEAK);
S_SET_NUMBER_AUXILIARY (symbolP, 1);
SA_SET_SYM_FSIZE (symbolP, IMAGE_WEAK_EXTERN_SEARCH_LIBRARY);
alternateP = symbol_find_or_make (weak_name2altname (name));
S_SET_EXTERNAL (alternateP);
S_SET_STORAGE_CLASS (alternateP, C_NT_WEAK);
SA_SET_SYM_TAGNDX (symbolP, alternateP);
#endif
if (c == ',')
{
input_line_pointer++;
SKIP_WHITESPACE ();
if (*input_line_pointer == '\n')
c = '\n';
}
}
while (c == ',');
demand_empty_rest_of_line ();
}
void
coff_obj_read_begin_hook ()
{
#ifndef BFD_HEADERS
know (sizeof (SYMENT) == sizeof (AUXENT));
know (SYMESZ == AUXESZ);
#endif
tag_init ();
}
symbolS *coff_last_function;
#ifndef OBJ_XCOFF
static symbolS *coff_last_bf;
#endif
void
coff_frob_symbol (symp, punt)
symbolS *symp;
int *punt;
{
static symbolS *last_tagP;
static stack *block_stack;
static symbolS *set_end;
symbolS *next_set_end = NULL;
if (symp == &abs_symbol)
{
*punt = 1;
return;
}
if (current_lineno_sym)
coff_add_linesym ((symbolS *) 0);
if (!block_stack)
block_stack = stack_init (512, sizeof (symbolS*));
#ifdef TE_PE
if (S_GET_STORAGE_CLASS (symp) == C_NT_WEAK
&& ! S_IS_WEAK (symp)
&& weak_is_altname (S_GET_NAME (symp)))
{
symbolS *weakp = symbol_find (weak_altname2name (S_GET_NAME (symp)));
assert (weakp);
assert (S_GET_NUMBER_AUXILIARY (weakp) == 1);
if (symbol_equated_p (weakp))
{
S_SET_STORAGE_CLASS (weakp, C_NT_WEAK);
SA_SET_SYM_TAGNDX (weakp,
symbol_get_value_expression (weakp)->X_add_symbol);
S_CLEAR_EXTERNAL (symp);
*punt = 1;
return;
}
else
{
if (S_GET_STORAGE_CLASS (weakp) != C_NT_WEAK)
{
S_SET_STORAGE_CLASS (symp, S_GET_STORAGE_CLASS (weakp));
S_SET_STORAGE_CLASS (weakp, C_NT_WEAK);
}
if (S_IS_DEFINED (weakp))
{
symbol_set_value_expression (symp,
symbol_get_value_expression (weakp));
symbol_set_frag (symp, symbol_get_frag (weakp));
S_SET_SEGMENT (symp, S_GET_SEGMENT (weakp));
}
else
{
S_SET_VALUE (symp, 0);
S_SET_SEGMENT (symp, absolute_section);
}
S_SET_NAME (symp, weak_uniquify (S_GET_NAME (symp)));
S_SET_STORAGE_CLASS (symp, C_EXT);
S_SET_VALUE (weakp, 0);
S_SET_SEGMENT (weakp, undefined_section);
}
}
#else
if (S_IS_WEAK (symp))
S_SET_STORAGE_CLASS (symp, C_WEAKEXT);
#endif
if (!S_IS_DEFINED (symp)
&& !S_IS_WEAK (symp)
&& S_GET_STORAGE_CLASS (symp) != C_STAT)
S_SET_STORAGE_CLASS (symp, C_EXT);
if (!SF_GET_DEBUG (symp))
{
symbolS * real;
if (!SF_GET_LOCAL (symp)
&& !SF_GET_STATICS (symp)
&& S_GET_STORAGE_CLASS (symp) != C_LABEL
&& symbol_constant_p(symp)
&& (real = symbol_find_base (S_GET_NAME (symp), DO_NOT_STRIP))
&& S_GET_STORAGE_CLASS (real) == C_NULL
&& real != symp)
{
c_symbol_merge (symp, real);
*punt = 1;
return;
}
if (!S_IS_DEFINED (symp) && !SF_GET_LOCAL (symp))
{
assert (S_GET_VALUE (symp) == 0);
S_SET_EXTERNAL (symp);
}
else if (S_GET_STORAGE_CLASS (symp) == C_NULL)
{
if (S_GET_SEGMENT (symp) == text_section
&& symp != seg_info (text_section)->sym)
S_SET_STORAGE_CLASS (symp, C_LABEL);
else
S_SET_STORAGE_CLASS (symp, C_STAT);
}
if (SF_GET_PROCESS (symp))
{
if (S_GET_STORAGE_CLASS (symp) == C_BLOCK)
{
if (!strcmp (S_GET_NAME (symp), ".bb"))
stack_push (block_stack, (char *) &symp);
else
{
symbolS *begin;
begin = *(symbolS **) stack_pop (block_stack);
if (begin == 0)
as_warn (_("mismatched .eb"));
else
next_set_end = begin;
}
}
if (coff_last_function == 0 && SF_GET_FUNCTION (symp))
{
union internal_auxent *auxp;
coff_last_function = symp;
if (S_GET_NUMBER_AUXILIARY (symp) < 1)
S_SET_NUMBER_AUXILIARY (symp, 1);
auxp = SYM_AUXENT (symp);
memset (auxp->x_sym.x_fcnary.x_ary.x_dimen, 0,
sizeof (auxp->x_sym.x_fcnary.x_ary.x_dimen));
}
if (S_GET_STORAGE_CLASS (symp) == C_EFCN)
{
if (coff_last_function == 0)
as_fatal (_("C_EFCN symbol out of scope"));
SA_SET_SYM_FSIZE (coff_last_function,
(long) (S_GET_VALUE (symp)
- S_GET_VALUE (coff_last_function)));
next_set_end = coff_last_function;
coff_last_function = 0;
}
}
if (S_IS_EXTERNAL (symp))
S_SET_STORAGE_CLASS (symp, C_EXT);
else if (SF_GET_LOCAL (symp))
*punt = 1;
if (SF_GET_FUNCTION (symp))
symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION;
}
if (S_IS_WEAK (symp) && S_IS_COMMON (symp))
as_bad (_("Symbol `%s' can not be both weak and common"),
S_GET_NAME (symp));
if (SF_GET_TAG (symp))
last_tagP = symp;
else if (S_GET_STORAGE_CLASS (symp) == C_EOS)
next_set_end = last_tagP;
#ifdef OBJ_XCOFF
if (! symbol_used_in_reloc_p (symp)
&& ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0
|| (! (S_IS_EXTERNAL (symp) || S_IS_WEAK (symp))
&& ! symbol_get_tc (symp)->output
&& S_GET_STORAGE_CLASS (symp) != C_FILE)))
*punt = 1;
#endif
if (set_end != (symbolS *) NULL
&& ! *punt
&& ((symbol_get_bfdsym (symp)->flags & BSF_NOT_AT_END) != 0
|| (S_IS_DEFINED (symp)
&& ! S_IS_COMMON (symp)
&& (! S_IS_EXTERNAL (symp) || SF_GET_FUNCTION (symp)))))
{
SA_SET_SYM_ENDNDX (set_end, symp);
set_end = NULL;
}
if (next_set_end != NULL)
{
if (set_end != NULL)
as_warn ("Warning: internal error: forgetting to set endndx of %s",
S_GET_NAME (set_end));
set_end = next_set_end;
}
#ifndef OBJ_XCOFF
if (! *punt
&& S_GET_STORAGE_CLASS (symp) == C_FCN
&& strcmp (S_GET_NAME (symp), ".bf") == 0)
{
if (coff_last_bf != NULL)
SA_SET_SYM_ENDNDX (coff_last_bf, symp);
coff_last_bf = symp;
}
#endif
if (coffsymbol (symbol_get_bfdsym (symp))->lineno)
{
int i;
struct line_no *lptr;
alent *l;
lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
for (i = 0; lptr; lptr = lptr->next)
i++;
lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
l = (alent *) xmalloc ((i + 2) * sizeof (alent));
coffsymbol (symbol_get_bfdsym (symp))->lineno = l;
l[i + 1].line_number = 0;
l[i + 1].u.sym = NULL;
for (; i > 0; i--)
{
if (lptr->frag)
lptr->l.u.offset += lptr->frag->fr_address / OCTETS_PER_BYTE;
l[i] = lptr->l;
lptr = lptr->next;
}
}
}
void
coff_adjust_section_syms (abfd, sec, x)
bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
PTR x ATTRIBUTE_UNUSED;
{
symbolS *secsym;
segment_info_type *seginfo = seg_info (sec);
int nlnno, nrelocs = 0;
if (seginfo == NULL)
return;
if (!strcmp (sec->name, ".text"))
nlnno = coff_n_line_nos;
else
nlnno = 0;
{
fixS *fixp = seginfo->fix_root;
while (fixp)
{
if (! fixp->fx_done)
nrelocs++;
fixp = fixp->fx_next;
}
}
if (bfd_get_section_size (sec) == 0
&& nrelocs == 0
&& nlnno == 0
&& sec != text_section
&& sec != data_section
&& sec != bss_section)
return;
secsym = section_symbol (sec);
SA_SET_SCN_NRELOC (secsym, nrelocs);
SA_SET_SCN_NLINNO (secsym, nlnno);
}
void
coff_frob_file_after_relocs ()
{
bfd_map_over_sections (stdoutput, coff_adjust_section_syms, (char*) 0);
}
void
obj_coff_section (ignore)
int ignore ATTRIBUTE_UNUSED;
{
char *section_name;
char c;
char *name;
unsigned int exp;
flagword flags, oldflags;
asection *sec;
if (flag_mri)
{
char type;
s_mri_sect (&type);
return;
}
section_name = input_line_pointer;
c = get_symbol_end ();
name = xmalloc (input_line_pointer - section_name + 1);
strcpy (name, section_name);
*input_line_pointer = c;
SKIP_WHITESPACE ();
exp = 0;
flags = SEC_NO_FLAGS;
if (*input_line_pointer == ',')
{
++input_line_pointer;
SKIP_WHITESPACE ();
if (*input_line_pointer != '"')
exp = get_absolute_expression ();
else
{
++input_line_pointer;
while (*input_line_pointer != '"'
&& ! is_end_of_line[(unsigned char) *input_line_pointer])
{
switch (*input_line_pointer)
{
case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break;
case 'n': flags &=~ SEC_LOAD; flags |= SEC_NEVER_LOAD; break;
case 's': flags |= SEC_COFF_SHARED;
case 'd': flags |= SEC_DATA | SEC_LOAD;
case 'w': flags &=~ SEC_READONLY; break;
case 'a': break;
case 'x': flags |= SEC_CODE | SEC_LOAD; break;
case 'r': flags |= SEC_DATA | SEC_LOAD | SEC_READONLY; break;
case 'i':
case 'l':
case 'o':
as_warn (_("unsupported section attribute '%c'"),
*input_line_pointer);
break;
default:
as_warn(_("unknown section attribute '%c'"),
*input_line_pointer);
break;
}
++input_line_pointer;
}
if (*input_line_pointer == '"')
++input_line_pointer;
}
}
sec = subseg_new (name, (subsegT) exp);
oldflags = bfd_get_section_flags (stdoutput, sec);
if (oldflags == SEC_NO_FLAGS)
{
if (flags == SEC_NO_FLAGS)
flags = TC_COFF_SECTION_DEFAULT_ATTRIBUTES;
#ifdef COFF_LONG_SECTION_NAMES
if (strncmp (name, ".gnu.linkonce", sizeof (".gnu.linkonce") - 1) == 0)
flags |= SEC_LINK_ONCE | SEC_LINK_DUPLICATES_DISCARD;
#endif
if (! bfd_set_section_flags (stdoutput, sec, flags))
as_warn (_("error setting flags for \"%s\": %s"),
bfd_section_name (stdoutput, sec),
bfd_errmsg (bfd_get_error ()));
}
else if (flags != SEC_NO_FLAGS)
{
flagword matchflags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
| SEC_DATA | SEC_COFF_SHARED | SEC_NEVER_LOAD);
if ((flags ^ oldflags) & matchflags)
as_warn (_("Ignoring changed section attributes for %s"), name);
}
demand_empty_rest_of_line ();
}
void
coff_adjust_symtab ()
{
if (symbol_rootP == NULL
|| S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE)
c_dot_file_symbol ("fake", 0);
}
void
coff_frob_section (sec)
segT sec;
{
segT strsec;
char *p;
fragS *fragp;
bfd_vma size, n_entries, mask;
bfd_vma align_power = (bfd_vma)sec->alignment_power + OCTETS_PER_BYTE_POWER;
size = bfd_get_section_size (sec);
mask = ((bfd_vma) 1 << align_power) - 1;
#if !defined(TICOFF)
if (size & mask)
{
bfd_vma new_size;
fragS *last;
new_size = (size + mask) & ~mask;
bfd_set_section_size (stdoutput, sec, new_size);
fragp = seg_info (sec)->frchainP->frch_root;
last = seg_info (sec)->frchainP->frch_last;
while (fragp->fr_next != last)
fragp = fragp->fr_next;
last->fr_address = size;
fragp->fr_offset += new_size - size;
}
#endif
#ifndef TICOFF
if (size != 0
|| sec == text_section
|| sec == data_section
|| sec == bss_section)
#endif
{
symbolS *secsym = section_symbol (sec);
S_SET_STORAGE_CLASS (secsym, C_STAT);
S_SET_NUMBER_AUXILIARY (secsym, 1);
SF_SET_STATICS (secsym);
SA_SET_SCN_SCNLEN (secsym, size);
}
#ifndef STAB_SECTION_NAME
#define STAB_SECTION_NAME ".stab"
#endif
#ifndef STAB_STRING_SECTION_NAME
#define STAB_STRING_SECTION_NAME ".stabstr"
#endif
if (strcmp (STAB_STRING_SECTION_NAME, sec->name))
return;
strsec = sec;
sec = subseg_get (STAB_SECTION_NAME, 0);
size = bfd_get_section_size (strsec);
n_entries = bfd_get_section_size (sec) / 12 - 1;
fragp = seg_info (sec)->frchainP->frch_root;
while (fragp && fragp->fr_fix == 0)
fragp = fragp->fr_next;
assert (fragp != 0 && fragp->fr_fix >= 12);
p = fragp->fr_literal;
bfd_h_put_16 (stdoutput, n_entries, (bfd_byte *) p + 6);
bfd_h_put_32 (stdoutput, size, (bfd_byte *) p + 8);
}
void
obj_coff_init_stab_section (seg)
segT seg;
{
char *file;
char *p;
char *stabstr_name;
unsigned int stroff;
p = frag_more (12);
memset (p, 0, 12);
as_where (&file, (unsigned int *) NULL);
stabstr_name = (char *) xmalloc (strlen (seg->name) + 4);
strcpy (stabstr_name, seg->name);
strcat (stabstr_name, "str");
stroff = get_stab_string_offset (file, stabstr_name);
know (stroff == 1);
md_number_to_chars (p, stroff, 4);
}
#ifdef DEBUG
const char *
s_get_name (s)
symbolS *s;
{
return ((s == NULL) ? "(NULL)" : S_GET_NAME (s));
}
void
symbol_dump ()
{
symbolS *symbolP;
for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
{
printf (_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"),
(unsigned long) symbolP,
S_GET_NAME(symbolP),
(long) S_GET_DATA_TYPE(symbolP),
S_GET_STORAGE_CLASS(symbolP),
(int) S_GET_SEGMENT(symbolP));
}
}
#endif
#else
#include "frags.h"
#include <time.h>
#include "libbfd.h"
#include "libcoff.h"
#ifndef NOP_OPCODE
#define NOP_OPCODE 0x00
#endif
#define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v))
#define MIN(a,b) ((a) < (b)? (a) : (b))
const short seg_N_TYPE[] =
{
C_ABS_SECTION,
1, 2, 3, 4, 5, 6, 7, 8, 9, 10,
11, 12, 13, 14, 15, 16, 17, 18, 19, 20,
21, 22, 23, 24, 25, 26, 27, 28, 29, 30,
31, 32, 33, 34, 35, 36, 37, 38, 39, 40,
C_UNDEF_SECTION,
C_UNDEF_SECTION,
C_UNDEF_SECTION,
C_DEBUG_SECTION,
C_NTV_SECTION,
C_PTV_SECTION,
C_REGISTER_SECTION,
};
int function_lineoff = -1;
struct filename_list
{
const char *filename;
struct filename_list *next;
};
static struct filename_list *filename_list_head;
static struct filename_list *filename_list_tail;
static symbolS *last_line_symbol;
bfd *abfd;
static symbolS *previous_file_symbol;
static int line_base;
void c_symbol_merge PARAMS ((symbolS *, symbolS *));
symbolS *c_section_symbol PARAMS ((char *, int));
void obj_coff_section PARAMS ((int));
void do_relocs_for PARAMS ((bfd *, object_headers *, unsigned long *));
char * symbol_to_chars PARAMS ((bfd *, char *, symbolS *));
void w_strings PARAMS ((char *));
static void fixup_segment PARAMS ((segment_info_type *, segT));
static void fixup_mdeps PARAMS ((fragS *, object_headers *, segT));
static void fill_section PARAMS ((bfd *, object_headers *, unsigned long *));
static int c_line_new PARAMS ((symbolS *, long, int, fragS *));
static void w_symbols PARAMS ((bfd *, char *, symbolS *));
static void adjust_stab_section PARAMS ((bfd *, segT));
static void obj_coff_lcomm PARAMS ((int));
static void obj_coff_text PARAMS ((int));
static void obj_coff_data PARAMS ((int));
static unsigned int count_entries_in_chain PARAMS ((unsigned int));
static void coff_header_append PARAMS ((bfd *, object_headers *));
static unsigned int yank_symbols PARAMS ((void));
static unsigned int glue_symbols PARAMS ((symbolS **, symbolS **));
static unsigned int tie_tags PARAMS ((void));
static void crawl_symbols PARAMS ((object_headers *, bfd *));
static void do_linenos_for PARAMS ((bfd *, object_headers *, unsigned long *));
static void remove_subsegs PARAMS ((void));
static const segT seg_info_off_by_4[] =
{
SEG_PTV,
SEG_NTV,
SEG_DEBUG,
SEG_ABSOLUTE,
SEG_UNKNOWN,
SEG_E0, SEG_E1, SEG_E2, SEG_E3, SEG_E4,
SEG_E5, SEG_E6, SEG_E7, SEG_E8, SEG_E9,
SEG_E10, SEG_E11, SEG_E12, SEG_E13, SEG_E14,
SEG_E15, SEG_E16, SEG_E17, SEG_E18, SEG_E19,
SEG_E20, SEG_E21, SEG_E22, SEG_E23, SEG_E24,
SEG_E25, SEG_E26, SEG_E27, SEG_E28, SEG_E29,
SEG_E30, SEG_E31, SEG_E32, SEG_E33, SEG_E34,
SEG_E35, SEG_E36, SEG_E37, SEG_E38, SEG_E39,
(segT) 40,
(segT) 41,
(segT) 42,
(segT) 43,
(segT) 44,
(segT) 45,
(segT) 0,
(segT) 0,
(segT) 0,
SEG_REGISTER
};
#define SEG_INFO_FROM_SECTION_NUMBER(x) (seg_info_off_by_4[(x)+4])
static relax_addressT relax_align PARAMS ((relax_addressT, long));
static relax_addressT
relax_align (address, alignment)
relax_addressT address;
long alignment;
{
relax_addressT mask;
relax_addressT new_address;
mask = ~((~0) << alignment);
new_address = (address + mask) & (~mask);
return (new_address - address);
}
segT
s_get_segment (x)
symbolS * x;
{
return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum);
}
static unsigned int size_section PARAMS ((bfd *, unsigned int));
static unsigned int
size_section (abfd, idx)
bfd *abfd ATTRIBUTE_UNUSED;
unsigned int idx;
{
unsigned int size = 0;
fragS *frag = segment_info[idx].frchainP->frch_root;
while (frag)
{
size = frag->fr_address;
if (frag->fr_address != size)
{
fprintf (stderr, _("Out of step\n"));
size = frag->fr_address;
}
switch (frag->fr_type)
{
#ifdef TC_COFF_SIZEMACHDEP
case rs_machine_dependent:
size += TC_COFF_SIZEMACHDEP (frag);
break;
#endif
case rs_space:
case rs_fill:
case rs_org:
size += frag->fr_fix;
size += frag->fr_offset * frag->fr_var;
break;
case rs_align:
case rs_align_code:
case rs_align_test:
{
addressT off;
size += frag->fr_fix;
off = relax_align (size, frag->fr_offset);
if (frag->fr_subtype != 0 && off > frag->fr_subtype)
off = 0;
size += off;
}
break;
default:
BAD_CASE (frag->fr_type);
break;
}
frag = frag->fr_next;
}
segment_info[idx].scnhdr.s_size = size;
return size;
}
static unsigned int
count_entries_in_chain (idx)
unsigned int idx;
{
unsigned int nrelocs;
fixS *fixup_ptr;
fixup_ptr = segment_info[idx].fix_root;
nrelocs = 0;
while (fixup_ptr != (fixS *) NULL)
{
if (fixup_ptr->fx_done == 0 && TC_COUNT_RELOC (fixup_ptr))
{
#if defined(TC_A29K) || defined(TC_OR32)
if (fixup_ptr->fx_r_type == RELOC_CONSTH)
nrelocs += 2;
else
nrelocs++;
#else
nrelocs++;
#endif
}
fixup_ptr = fixup_ptr->fx_next;
}
return nrelocs;
}
#ifdef TE_AUX
static int compare_external_relocs PARAMS ((const PTR, const PTR));
static int
compare_external_relocs (x, y)
const PTR x;
const PTR y;
{
struct external_reloc *a = (struct external_reloc *) x;
struct external_reloc *b = (struct external_reloc *) y;
bfd_vma aadr = bfd_getb32 (a->r_vaddr);
bfd_vma badr = bfd_getb32 (b->r_vaddr);
return (aadr < badr ? -1 : badr < aadr ? 1 : 0);
}
#endif
void
do_relocs_for (abfd, h, file_cursor)
bfd * abfd;
object_headers * h;
unsigned long *file_cursor;
{
unsigned int nrelocs;
unsigned int idx;
unsigned long reloc_start = *file_cursor;
for (idx = SEG_E0; idx < SEG_LAST; idx++)
{
if (segment_info[idx].scnhdr.s_name[0])
{
struct external_reloc *ext_ptr;
struct external_reloc *external_reloc_vec;
unsigned int external_reloc_size;
unsigned int base = segment_info[idx].scnhdr.s_paddr;
fixS *fix_ptr = segment_info[idx].fix_root;
nrelocs = count_entries_in_chain (idx);
if (nrelocs)
{
external_reloc_size = nrelocs * RELSZ;
external_reloc_vec =
(struct external_reloc *) malloc (external_reloc_size);
ext_ptr = external_reloc_vec;
while (fix_ptr)
{
struct internal_reloc intr;
if (fix_ptr->fx_done == 0 && TC_COUNT_RELOC (fix_ptr))
{
#ifdef TC_RELOC_MANGLE
TC_RELOC_MANGLE (&segment_info[idx], fix_ptr, &intr,
base);
#else
symbolS *dot;
symbolS *symbol_ptr = fix_ptr->fx_addsy;
intr.r_type = TC_COFF_FIX2RTYPE (fix_ptr);
intr.r_vaddr =
base + fix_ptr->fx_frag->fr_address + fix_ptr->fx_where;
#ifdef TC_KEEP_FX_OFFSET
intr.r_offset = fix_ptr->fx_offset;
#else
intr.r_offset = 0;
#endif
while (symbol_ptr->sy_value.X_op == O_symbol
&& (! S_IS_DEFINED (symbol_ptr)
|| S_IS_COMMON (symbol_ptr)))
{
symbolS *n;
n = symbol_ptr->sy_value.X_add_symbol;
if (n == symbol_ptr)
break;
symbol_ptr = n;
}
if (symbol_ptr)
{
resolve_symbol_value (symbol_ptr);
if (! symbol_ptr->sy_resolved)
{
char *file;
unsigned int line;
if (expr_symbol_where (symbol_ptr, &file, &line))
as_bad_where (file, line,
_("unresolved relocation"));
else
as_bad (_("bad relocation: symbol `%s' not in symbol table"),
S_GET_NAME (symbol_ptr));
}
dot = segment_info[S_GET_SEGMENT (symbol_ptr)].dot;
if (dot)
intr.r_symndx = dot->sy_number;
else
intr.r_symndx = symbol_ptr->sy_number;
}
else
intr.r_symndx = -1;
#endif
(void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr);
ext_ptr++;
#if defined(TC_A29K)
if (intr.r_type == R_IHIHALF)
{
intr.r_type = R_IHCONST;
intr.r_symndx = fix_ptr->fx_addnumber;
(void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr);
ext_ptr++;
}
#endif
#if defined(TC_OR32)
if (intr.r_type == R_IHIHALF)
{
intr.r_type = R_IHCONST;
intr.r_symndx = fix_ptr->fx_addnumber;
(void) bfd_coff_swap_reloc_out (abfd, & intr, ext_ptr);
ext_ptr ++;
}
#endif
}
fix_ptr = fix_ptr->fx_next;
}
#ifdef TE_AUX
qsort ((PTR) external_reloc_vec, nrelocs,
sizeof (struct external_reloc), compare_external_relocs);
#endif
bfd_bwrite ((PTR) external_reloc_vec,
(bfd_size_type) external_reloc_size, abfd);
free (external_reloc_vec);
segment_info[idx].scnhdr.s_relptr = *file_cursor;
*file_cursor += external_reloc_size;
segment_info[idx].scnhdr.s_nreloc = nrelocs;
}
else
{
segment_info[idx].scnhdr.s_relptr = 0;
}
}
}
H_SET_RELOCATION_SIZE (h, *file_cursor - reloc_start, 0);
}
static void
fill_section (abfd, h, file_cursor)
bfd * abfd;
object_headers *h ATTRIBUTE_UNUSED;
unsigned long *file_cursor;
{
unsigned int i;
unsigned int paddr = 0;
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
{
unsigned int offset = 0;
struct internal_scnhdr *s = &(segment_info[i].scnhdr);
PROGRESS (1);
if (s->s_name[0])
{
fragS *frag = segment_info[i].frchainP->frch_root;
char *buffer = NULL;
if (s->s_size == 0)
s->s_scnptr = 0;
else
{
buffer = xmalloc (s->s_size);
s->s_scnptr = *file_cursor;
}
know (s->s_paddr == paddr);
if (strcmp (s->s_name, ".text") == 0)
s->s_flags |= STYP_TEXT;
else if (strcmp (s->s_name, ".data") == 0)
s->s_flags |= STYP_DATA;
else if (strcmp (s->s_name, ".bss") == 0)
{
s->s_scnptr = 0;
s->s_flags |= STYP_BSS;
#ifndef TC_I386
#ifndef TC_A29K
#ifndef TC_OR32
#ifndef COFF_NOLOAD_PROBLEM
s->s_flags |= STYP_NOLOAD;
#endif
#endif
#endif
#endif
}
else if (strcmp (s->s_name, ".lit") == 0)
s->s_flags = STYP_LIT | STYP_TEXT;
else if (strcmp (s->s_name, ".init") == 0)
s->s_flags |= STYP_TEXT;
else if (strcmp (s->s_name, ".fini") == 0)
s->s_flags |= STYP_TEXT;
else if (strncmp (s->s_name, ".comment", 8) == 0)
s->s_flags |= STYP_INFO;
while (frag)
{
unsigned int fill_size;
switch (frag->fr_type)
{
case rs_machine_dependent:
if (frag->fr_fix)
{
memcpy (buffer + frag->fr_address,
frag->fr_literal,
(unsigned int) frag->fr_fix);
offset += frag->fr_fix;
}
break;
case rs_space:
case rs_fill:
case rs_align:
case rs_align_code:
case rs_align_test:
case rs_org:
if (frag->fr_fix)
{
memcpy (buffer + frag->fr_address,
frag->fr_literal,
(unsigned int) frag->fr_fix);
offset += frag->fr_fix;
}
fill_size = frag->fr_var;
if (fill_size && frag->fr_offset > 0)
{
unsigned int count;
unsigned int off = frag->fr_fix;
for (count = frag->fr_offset; count; count--)
{
if (fill_size + frag->fr_address + off <= s->s_size)
{
memcpy (buffer + frag->fr_address + off,
frag->fr_literal + frag->fr_fix,
fill_size);
off += fill_size;
offset += fill_size;
}
}
}
break;
case rs_broken_word:
break;
default:
abort ();
}
frag = frag->fr_next;
}
if (s->s_size != 0)
{
if (s->s_scnptr != 0)
{
bfd_bwrite (buffer, s->s_size, abfd);
*file_cursor += s->s_size;
}
free (buffer);
}
paddr += s->s_size;
}
}
}
static void
coff_header_append (abfd, h)
bfd * abfd;
object_headers * h;
{
unsigned int i;
char buffer[1000];
char buffero[1000];
#ifdef COFF_LONG_SECTION_NAMES
unsigned long string_size = 4;
#endif
bfd_seek (abfd, (file_ptr) 0, 0);
#ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
H_SET_MAGIC_NUMBER (h, COFF_MAGIC);
H_SET_VERSION_STAMP (h, 0);
H_SET_ENTRY_POINT (h, 0);
H_SET_TEXT_START (h, segment_info[SEG_E0].frchainP->frch_root->fr_address);
H_SET_DATA_START (h, segment_info[SEG_E1].frchainP->frch_root->fr_address);
H_SET_SIZEOF_OPTIONAL_HEADER (h, bfd_coff_swap_aouthdr_out(abfd, &h->aouthdr,
buffero));
#else
H_SET_SIZEOF_OPTIONAL_HEADER (h, 0);
#endif
i = bfd_coff_swap_filehdr_out (abfd, &h->filehdr, buffer);
bfd_bwrite (buffer, (bfd_size_type) i, abfd);
bfd_bwrite (buffero, (bfd_size_type) H_GET_SIZEOF_OPTIONAL_HEADER (h), abfd);
for (i = SEG_E0; i < SEG_LAST; i++)
{
if (segment_info[i].scnhdr.s_name[0])
{
unsigned int size;
#ifdef COFF_LONG_SECTION_NAMES
if (strlen (segment_info[i].name) > SCNNMLEN)
{
memset (segment_info[i].scnhdr.s_name, 0, SCNNMLEN);
sprintf (segment_info[i].scnhdr.s_name, "/%lu", string_size);
string_size += strlen (segment_info[i].name) + 1;
}
#endif
size = bfd_coff_swap_scnhdr_out (abfd,
&(segment_info[i].scnhdr),
buffer);
if (size == 0)
as_bad (_("bfd_coff_swap_scnhdr_out failed"));
bfd_bwrite (buffer, (bfd_size_type) size, abfd);
}
}
}
char *
symbol_to_chars (abfd, where, symbolP)
bfd * abfd;
char *where;
symbolS * symbolP;
{
unsigned int numaux = symbolP->sy_symbol.ost_entry.n_numaux;
unsigned int i;
valueT val;
if (S_GET_SEGMENT (symbolP) == reg_section)
S_SET_SEGMENT (symbolP, absolute_section);
#ifndef TE_PE
val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr
+ S_GET_VALUE (symbolP));
#else
val = S_GET_VALUE (symbolP);
#endif
S_SET_VALUE (symbolP, val);
symbolP->sy_symbol.ost_entry.n_value = val;
where += bfd_coff_swap_sym_out (abfd, &symbolP->sy_symbol.ost_entry,
where);
for (i = 0; i < numaux; i++)
{
where += bfd_coff_swap_aux_out (abfd,
&symbolP->sy_symbol.ost_auxent[i],
S_GET_DATA_TYPE (symbolP),
S_GET_STORAGE_CLASS (symbolP),
i, numaux, where);
}
return where;
}
void
coff_obj_symbol_new_hook (symbolP)
symbolS *symbolP;
{
char underscore = 0;
S_SET_ZEROES (symbolP, 0L);
S_SET_DATA_TYPE (symbolP, T_NULL);
S_SET_STORAGE_CLASS (symbolP, 0);
S_SET_NUMBER_AUXILIARY (symbolP, 0);
symbolP->sy_symbol.ost_flags = 0;
memset ((char *) &symbolP->sy_symbol.ost_auxent[0], 0, AUXESZ);
if (S_IS_STRING (symbolP))
SF_SET_STRING (symbolP);
if (!underscore && S_IS_LOCAL (symbolP))
SF_SET_LOCAL (symbolP);
}
static void
obj_coff_ln (appline)
int appline;
{
int l;
if (! appline && def_symbol_in_progress != NULL)
{
as_warn (_(".ln pseudo-op inside .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
l = get_absolute_expression ();
c_line_new (0, frag_now_fix (), l, frag_now);
if (appline)
new_logical_line ((char *) NULL, l - 1);
#ifndef NO_LISTING
{
extern int listing;
if (listing)
{
if (! appline)
l += line_base - 1;
listing_source_line ((unsigned int) l);
}
}
#endif
demand_empty_rest_of_line ();
}
#define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';')
#define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \
*input_line_pointer == '\t') \
input_line_pointer++;
static void
obj_coff_def (what)
int what ATTRIBUTE_UNUSED;
{
char name_end;
char *symbol_name;
char *symbol_name_copy;
unsigned int symbol_name_length;
if (def_symbol_in_progress != NULL)
{
as_warn (_(".def pseudo-op used inside of .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
SKIP_WHITESPACES ();
def_symbol_in_progress = (symbolS *) obstack_alloc (¬es, sizeof (*def_symbol_in_progress));
memset (def_symbol_in_progress, 0, sizeof (*def_symbol_in_progress));
symbol_name = input_line_pointer;
name_end = get_symbol_end ();
symbol_name_length = strlen (symbol_name);
symbol_name_copy = xmalloc (symbol_name_length + 1);
strcpy (symbol_name_copy, symbol_name);
#ifdef tc_canonicalize_symbol_name
symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy);
#endif
#ifdef STRIP_UNDERSCORE
S_SET_NAME (def_symbol_in_progress, (*symbol_name_copy == '_'
? symbol_name_copy + 1
: symbol_name_copy));
#else
S_SET_NAME (def_symbol_in_progress, symbol_name_copy);
#endif
def_symbol_in_progress->sy_name_offset = (unsigned long) ~0;
def_symbol_in_progress->sy_number = ~0;
def_symbol_in_progress->sy_frag = &zero_address_frag;
S_SET_VALUE (def_symbol_in_progress, 0);
if (S_IS_STRING (def_symbol_in_progress))
SF_SET_STRING (def_symbol_in_progress);
*input_line_pointer = name_end;
demand_empty_rest_of_line ();
}
unsigned int dim_index;
static void
obj_coff_endef (ignore)
int ignore ATTRIBUTE_UNUSED;
{
symbolS *symbolP = 0;
dim_index = 0;
if (def_symbol_in_progress == NULL)
{
as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
switch (S_GET_STORAGE_CLASS (def_symbol_in_progress))
{
case C_STRTAG:
case C_ENTAG:
case C_UNTAG:
SF_SET_TAG (def_symbol_in_progress);
case C_FILE:
case C_TPDEF:
SF_SET_DEBUG (def_symbol_in_progress);
S_SET_SEGMENT (def_symbol_in_progress, SEG_DEBUG);
break;
case C_EFCN:
SF_SET_LOCAL (def_symbol_in_progress);
case C_BLOCK:
SF_SET_PROCESS (def_symbol_in_progress);
case C_FCN:
S_SET_SEGMENT (def_symbol_in_progress, SEG_E0);
if (strcmp (S_GET_NAME (def_symbol_in_progress), ".bf") == 0)
{
if (function_lineoff < 0)
fprintf (stderr, _("`.bf' symbol without preceding function\n"));
SA_GET_SYM_LNNOPTR (last_line_symbol) = function_lineoff;
SF_SET_PROCESS (last_line_symbol);
SF_SET_ADJ_LNNOPTR (last_line_symbol);
SF_SET_PROCESS (def_symbol_in_progress);
function_lineoff = -1;
}
def_symbol_in_progress->sy_frag = frag_now;
S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ());
break;
#ifdef C_AUTOARG
case C_AUTOARG:
#endif
case C_AUTO:
case C_REG:
case C_MOS:
case C_MOE:
case C_MOU:
case C_ARG:
case C_REGPARM:
case C_FIELD:
case C_EOS:
SF_SET_DEBUG (def_symbol_in_progress);
S_SET_SEGMENT (def_symbol_in_progress, absolute_section);
break;
case C_EXT:
case C_WEAKEXT:
#ifdef TE_PE
case C_NT_WEAK:
#endif
case C_STAT:
case C_LABEL:
break;
case C_USTATIC:
case C_EXTDEF:
case C_ULABEL:
as_warn (_("unexpected storage class %d"), S_GET_STORAGE_CLASS (def_symbol_in_progress));
break;
}
if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN
|| S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL
|| (S_GET_SEGMENT (def_symbol_in_progress) == SEG_DEBUG
&& !SF_GET_TAG (def_symbol_in_progress))
|| S_GET_SEGMENT (def_symbol_in_progress) == absolute_section
|| def_symbol_in_progress->sy_value.X_op != O_constant
|| (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL
|| (SF_GET_TAG (def_symbol_in_progress) != SF_GET_TAG (symbolP)))
{
symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP,
&symbol_lastP);
}
else
{
c_symbol_merge (def_symbol_in_progress, symbolP);
def_symbol_in_progress = symbolP;
if (SF_GET_FUNCTION (def_symbol_in_progress)
|| SF_GET_TAG (def_symbol_in_progress)
|| S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_STAT)
{
if (def_symbol_in_progress != symbol_lastP)
{
symbol_remove (def_symbol_in_progress, &symbol_rootP,
&symbol_lastP);
symbol_append (def_symbol_in_progress, symbol_lastP,
&symbol_rootP, &symbol_lastP);
}
}
}
if (SF_GET_TAG (def_symbol_in_progress))
{
symbolS *oldtag;
oldtag = symbol_find_base (S_GET_NAME (def_symbol_in_progress),
DO_NOT_STRIP);
if (oldtag == NULL || ! SF_GET_TAG (oldtag))
tag_insert (S_GET_NAME (def_symbol_in_progress),
def_symbol_in_progress);
}
if (SF_GET_FUNCTION (def_symbol_in_progress))
{
know (sizeof (def_symbol_in_progress) <= sizeof (long));
function_lineoff
= c_line_new (def_symbol_in_progress, 0, 0, &zero_address_frag);
SF_SET_PROCESS (def_symbol_in_progress);
if (symbolP == NULL)
{
symbol_table_insert (def_symbol_in_progress);
}
}
def_symbol_in_progress = NULL;
demand_empty_rest_of_line ();
}
static void
obj_coff_dim (ignore)
int ignore ATTRIBUTE_UNUSED;
{
int dim_index;
if (def_symbol_in_progress == NULL)
{
as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
for (dim_index = 0; dim_index < DIMNUM; dim_index++)
{
SKIP_WHITESPACES ();
SA_SET_SYM_DIMEN (def_symbol_in_progress, dim_index,
get_absolute_expression ());
switch (*input_line_pointer)
{
case ',':
input_line_pointer++;
break;
default:
as_warn (_("badly formed .dim directive ignored"));
case '\n':
case ';':
dim_index = DIMNUM;
break;
}
}
demand_empty_rest_of_line ();
}
static void
obj_coff_line (ignore)
int ignore ATTRIBUTE_UNUSED;
{
int this_base;
const char *name;
if (def_symbol_in_progress == NULL)
{
obj_coff_ln (0);
return;
}
name = S_GET_NAME (def_symbol_in_progress);
this_base = get_absolute_expression ();
if (!strcmp (".bf", name))
{
line_base = this_base;
#ifndef NO_LISTING
{
extern int listing;
if (listing)
listing_source_line ((unsigned int) line_base);
}
#endif
}
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
SA_SET_SYM_LNNO (def_symbol_in_progress, this_base);
demand_empty_rest_of_line ();
}
static void
obj_coff_size (ignore)
int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
as_warn (_(".size pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ());
demand_empty_rest_of_line ();
}
static void
obj_coff_scl (ignore)
int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
as_warn (_(".scl pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ());
demand_empty_rest_of_line ();
}
static void
obj_coff_tag (ignore)
int ignore ATTRIBUTE_UNUSED;
{
char *symbol_name;
char name_end;
if (def_symbol_in_progress == NULL)
{
as_warn (_(".tag pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
symbol_name = input_line_pointer;
name_end = get_symbol_end ();
#ifdef tc_canonicalize_symbol_name
symbol_name = tc_canonicalize_symbol_name (symbol_name);
#endif
SA_SET_SYM_TAGNDX (def_symbol_in_progress,
(long) tag_find_or_make (symbol_name));
if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L)
as_warn (_("tag not found for .tag %s"), symbol_name);
SF_SET_TAGGED (def_symbol_in_progress);
*input_line_pointer = name_end;
demand_empty_rest_of_line ();
}
static void
obj_coff_type (ignore)
int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
as_warn (_(".type pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
S_SET_DATA_TYPE (def_symbol_in_progress, get_absolute_expression ());
if (ISFCN (S_GET_DATA_TYPE (def_symbol_in_progress)) &&
S_GET_STORAGE_CLASS (def_symbol_in_progress) != C_TPDEF)
SF_SET_FUNCTION (def_symbol_in_progress);
demand_empty_rest_of_line ();
}
static void
obj_coff_val (ignore)
int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
as_warn (_(".val pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
}
if (is_name_beginner (*input_line_pointer))
{
char *symbol_name = input_line_pointer;
char name_end = get_symbol_end ();
#ifdef tc_canonicalize_symbol_name
symbol_name = tc_canonicalize_symbol_name (symbol_name);
#endif
if (!strcmp (symbol_name, "."))
{
def_symbol_in_progress->sy_frag = frag_now;
S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ());
}
else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name))
{
def_symbol_in_progress->sy_value.X_op = O_symbol;
def_symbol_in_progress->sy_value.X_add_symbol =
symbol_find_or_make (symbol_name);
def_symbol_in_progress->sy_value.X_op_symbol = NULL;
def_symbol_in_progress->sy_value.X_add_number = 0;
SF_SET_GET_SEGMENT (def_symbol_in_progress);
}
*input_line_pointer = name_end;
while (! is_end_of_line[(unsigned char) *input_line_pointer])
++input_line_pointer;
}
else
{
S_SET_VALUE (def_symbol_in_progress,
(valueT) get_absolute_expression ());
}
demand_empty_rest_of_line ();
}
#ifdef TE_PE
void
obj_coff_pe_handle_link_once (type)
enum linkonce_type type;
{
seg_info (now_seg)->scnhdr.s_flags |= IMAGE_SCN_LNK_COMDAT;
seg_info (now_seg)->linkonce = type;
}
#endif
void
coff_obj_read_begin_hook ()
{
#ifndef BFD_HEADERS
know (sizeof (SYMENT) == sizeof (AUXENT));
know (SYMESZ == AUXESZ);
#endif
tag_init ();
}
symbolS *symbol_globalP;
symbolS *symbol_global_lastP;
symbolS *symbol_externP;
symbolS *symbol_extern_lastP;
stack *block_stack;
symbolS *last_functionP;
static symbolS *last_bfP;
symbolS *last_tagP;
static unsigned int
yank_symbols ()
{
symbolS *symbolP;
unsigned int symbol_number = 0;
unsigned int last_file_symno = 0;
struct filename_list *filename_list_scan = filename_list_head;
for (symbolP = symbol_rootP;
symbolP;
symbolP = symbolP ? symbol_next (symbolP) : symbol_rootP)
{
if (symbolP->sy_mri_common)
{
if (S_GET_STORAGE_CLASS (symbolP) == C_EXT
#ifdef TE_PE
|| S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK
#endif
|| S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT)
as_bad (_("%s: global symbols not supported in common sections"),
S_GET_NAME (symbolP));
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
continue;
}
if (!SF_GET_DEBUG (symbolP))
{
symbolS *real_symbolP;
if (!SF_GET_LOCAL (symbolP)
&& !SF_GET_STATICS (symbolP)
&& S_GET_STORAGE_CLASS (symbolP) != C_LABEL
&& symbolP->sy_value.X_op == O_constant
&& (real_symbolP = symbol_find_base (S_GET_NAME (symbolP), DO_NOT_STRIP))
&& real_symbolP != symbolP)
{
c_symbol_merge (symbolP, real_symbolP);
symbol_remove (real_symbolP, &symbol_rootP, &symbol_lastP);
symbol_insert (real_symbolP, symbolP, &symbol_rootP, &symbol_lastP);
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
symbolP = real_symbolP;
}
if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_E1))
S_SET_SEGMENT (symbolP, SEG_E0);
resolve_symbol_value (symbolP);
if (S_GET_STORAGE_CLASS (symbolP) == C_NULL)
{
if (!S_IS_DEFINED (symbolP) && !SF_GET_LOCAL (symbolP))
{
S_SET_EXTERNAL (symbolP);
}
else if (S_GET_SEGMENT (symbolP) == SEG_E0)
S_SET_STORAGE_CLASS (symbolP, C_LABEL);
else
S_SET_STORAGE_CLASS (symbolP, C_STAT);
}
if (SF_GET_PROCESS (symbolP))
{
if (S_GET_STORAGE_CLASS (symbolP) == C_BLOCK)
{
if (!strcmp (S_GET_NAME (symbolP), ".bb"))
stack_push (block_stack, (char *) &symbolP);
else
{
symbolS *begin_symbolP;
begin_symbolP = *(symbolS **) stack_pop (block_stack);
if (begin_symbolP == (symbolS *) 0)
as_warn (_("mismatched .eb"));
else
SA_SET_SYM_ENDNDX (begin_symbolP, symbol_number + 2);
}
}
if (last_functionP == (symbolS *) 0 &&
SF_GET_FUNCTION (symbolP))
{
last_functionP = symbolP;
if (S_GET_NUMBER_AUXILIARY (symbolP) < 1)
S_SET_NUMBER_AUXILIARY (symbolP, 1);
}
if (S_GET_STORAGE_CLASS (symbolP) == C_FCN)
{
if (strcmp (S_GET_NAME (symbolP), ".bf") == 0)
{
if (last_bfP != NULL)
SA_SET_SYM_ENDNDX (last_bfP, symbol_number);
last_bfP = symbolP;
}
}
else if (S_GET_STORAGE_CLASS (symbolP) == C_EFCN)
{
if (last_functionP == (symbolS *) 0)
as_fatal (_("C_EFCN symbol out of scope"));
SA_SET_SYM_FSIZE (last_functionP,
(long) (S_GET_VALUE (symbolP) -
S_GET_VALUE (last_functionP)));
SA_SET_SYM_ENDNDX (last_functionP, symbol_number);
last_functionP = (symbolS *) 0;
}
}
}
else if (SF_GET_TAG (symbolP))
{
last_tagP = symbolP;
}
else if (S_GET_STORAGE_CLASS (symbolP) == C_EOS)
{
SA_SET_SYM_ENDNDX (last_tagP, symbol_number + 2);
}
else if (S_GET_STORAGE_CLASS (symbolP) == C_FILE)
{
if (SA_GET_FILE_FNAME_ZEROS (symbolP) == 0
&& SA_GET_FILE_FNAME_OFFSET (symbolP) != 0)
{
SA_SET_FILE_FNAME_OFFSET (symbolP, string_byte_count);
string_byte_count += strlen (filename_list_scan->filename) + 1;
filename_list_scan = filename_list_scan->next;
}
if (S_GET_VALUE (symbolP))
{
S_SET_VALUE (symbolP, last_file_symno);
last_file_symno = symbol_number;
}
}
#ifdef tc_frob_coff_symbol
tc_frob_coff_symbol (symbolP);
#endif
if (SF_GET_LOCAL (symbolP))
{
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
}
else if (symbolP->sy_value.X_op == O_symbol
&& (! S_IS_DEFINED (symbolP) || S_IS_COMMON (symbolP)))
{
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
}
else if (!S_IS_DEFINED (symbolP)
&& !S_IS_DEBUG (symbolP)
&& !SF_GET_STATICS (symbolP)
&& (S_GET_STORAGE_CLASS (symbolP) == C_EXT
#ifdef TE_PE
|| S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK
#endif
|| S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT))
{
symbolS *hold = symbol_previous (symbolP);
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
symbol_clear_list_pointers (symbolP);
symbol_append (symbolP, symbol_extern_lastP, &symbol_externP, &symbol_extern_lastP);
symbolP = hold;
}
else if (! S_IS_DEBUG (symbolP)
&& ! SF_GET_STATICS (symbolP)
&& ! SF_GET_FUNCTION (symbolP)
&& (S_GET_STORAGE_CLASS (symbolP) == C_EXT
#ifdef TE_PE
|| S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK
#endif
|| S_GET_STORAGE_CLASS (symbolP) == C_NT_WEAK))
{
symbolS *hold = symbol_previous (symbolP);
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
symbol_clear_list_pointers (symbolP);
symbol_append (symbolP, symbol_global_lastP, &symbol_globalP,
&symbol_global_lastP);
symbolP = hold;
}
else
{
if (SF_GET_STRING (symbolP))
{
symbolP->sy_name_offset = string_byte_count;
string_byte_count += strlen (S_GET_NAME (symbolP)) + 1;
}
else
{
symbolP->sy_name_offset = 0;
}
symbolP->sy_number = symbol_number;
symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP);
}
}
return symbol_number;
}
static unsigned int
glue_symbols (head, tail)
symbolS **head;
symbolS **tail;
{
unsigned int symbol_number = 0;
while (*head != NULL)
{
symbolS *tmp = *head;
symbol_remove (tmp, head, tail);
symbol_append (tmp, symbol_lastP, &symbol_rootP, &symbol_lastP);
if (SF_GET_STRING (tmp))
{
tmp->sy_name_offset = string_byte_count;
string_byte_count += strlen (S_GET_NAME (tmp)) + 1;
}
else
{
tmp->sy_name_offset = 0;
}
tmp->sy_number = symbol_number;
symbol_number += 1 + S_GET_NUMBER_AUXILIARY (tmp);
}
return symbol_number;
}
static unsigned int
tie_tags ()
{
unsigned int symbol_number = 0;
symbolS *symbolP;
for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
{
symbolP->sy_number = symbol_number;
if (SF_GET_TAGGED (symbolP))
{
SA_SET_SYM_TAGNDX
(symbolP,
((symbolS *) SA_GET_SYM_TAGNDX (symbolP))->sy_number);
}
symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP);
}
return symbol_number;
}
static void
crawl_symbols (h, abfd)
object_headers *h;
bfd *abfd ATTRIBUTE_UNUSED;
{
unsigned int i;
block_stack = stack_init (512, sizeof (symbolS *));
if (symbol_rootP == NULL
|| S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE)
c_dot_file_symbol ("fake", 0);
for (i = SEG_E0; i < SEG_LAST; i++)
if (segment_info[i].scnhdr.s_name[0])
segment_info[i].dot = c_section_symbol ((char *) segment_info[i].name,
i - SEG_E0 + 1);
H_SET_SYMBOL_TABLE_SIZE (h, yank_symbols ());
H_SET_SYMBOL_TABLE_SIZE (h,
(H_GET_SYMBOL_COUNT (h)
+ glue_symbols (&symbol_globalP,
&symbol_global_lastP)
+ glue_symbols (&symbol_externP,
&symbol_extern_lastP)));
H_SET_SYMBOL_TABLE_SIZE (h, tie_tags ());
know (symbol_globalP == NULL);
know (symbol_global_lastP == NULL);
know (symbol_externP == NULL);
know (symbol_extern_lastP == NULL);
}
void
w_strings (where)
char *where;
{
symbolS *symbolP;
struct filename_list *filename_list_scan = filename_list_head;
md_number_to_chars (where, (valueT) string_byte_count, 4);
where += 4;
#ifdef COFF_LONG_SECTION_NAMES
{
unsigned int i;
for (i = SEG_E0; i < SEG_LAST; i++)
{
if (segment_info[i].scnhdr.s_name[0]
&& strlen (segment_info[i].name) > SCNNMLEN)
{
unsigned int size;
size = strlen (segment_info[i].name) + 1;
memcpy (where, segment_info[i].name, size);
where += size;
}
}
}
#endif
for (symbolP = symbol_rootP;
symbolP;
symbolP = symbol_next (symbolP))
{
unsigned int size;
if (SF_GET_STRING (symbolP))
{
size = strlen (S_GET_NAME (symbolP)) + 1;
memcpy (where, S_GET_NAME (symbolP), size);
where += size;
}
if (S_GET_STORAGE_CLASS (symbolP) == C_FILE
&& SA_GET_FILE_FNAME_ZEROS (symbolP) == 0
&& SA_GET_FILE_FNAME_OFFSET (symbolP) != 0)
{
size = strlen (filename_list_scan->filename) + 1;
memcpy (where, filename_list_scan->filename, size);
filename_list_scan = filename_list_scan ->next;
where += size;
}
}
}
static void
do_linenos_for (abfd, h, file_cursor)
bfd * abfd;
object_headers * h;
unsigned long *file_cursor;
{
unsigned int idx;
unsigned long start = *file_cursor;
for (idx = SEG_E0; idx < SEG_LAST; idx++)
{
segment_info_type *s = segment_info + idx;
if (s->scnhdr.s_nlnno != 0)
{
struct lineno_list *line_ptr;
struct external_lineno *buffer =
(struct external_lineno *) xmalloc (s->scnhdr.s_nlnno * LINESZ);
struct external_lineno *dst = buffer;
for (line_ptr = s->lineno_list_head;
line_ptr != (struct lineno_list *) NULL;
line_ptr = line_ptr->next)
{
if (line_ptr->line.l_lnno == 0)
{
if (line_ptr->line.l_addr.l_symndx)
line_ptr->line.l_addr.l_symndx =
((symbolS *) line_ptr->line.l_addr.l_symndx)->sy_number;
}
else
line_ptr->line.l_addr.l_paddr += ((struct frag *) (line_ptr->frag))->fr_address;
(void) bfd_coff_swap_lineno_out (abfd, &(line_ptr->line), dst);
dst++;
}
s->scnhdr.s_lnnoptr = *file_cursor;
bfd_bwrite (buffer, (bfd_size_type) s->scnhdr.s_nlnno * LINESZ, abfd);
free (buffer);
*file_cursor += s->scnhdr.s_nlnno * LINESZ;
}
}
H_SET_LINENO_SIZE (h, *file_cursor - start);
}
static void
remove_subsegs ()
{
unsigned int i;
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
{
frchainS *head = segment_info[i].frchainP;
fragS dummy;
fragS *prev_frag = &dummy;
while (head && head->frch_seg == i)
{
prev_frag->fr_next = head->frch_root;
prev_frag = head->frch_last;
head = head->frch_next;
}
prev_frag->fr_next = 0;
}
}
unsigned long machine;
int coff_flags;
#ifndef SUB_SEGMENT_ALIGN
#ifdef HANDLE_ALIGN
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) \
(!(FRCHAIN)->frch_next || (FRCHAIN)->frch_next->frch_seg != (SEG) \
? get_recorded_alignment (SEG) : 0)
#else
#define SUB_SEGMENT_ALIGN(SEG, FRCHAIN) 1
#endif
#endif
extern void
write_object_file ()
{
int i;
const char *name;
struct frchain *frchain_ptr;
object_headers headers;
unsigned long file_cursor;
bfd *abfd;
unsigned int addr;
abfd = bfd_openw (out_file_name, TARGET_FORMAT);
if (abfd == 0)
{
as_perror (_("FATAL: Can't create %s"), out_file_name);
exit (EXIT_FAILURE);
}
bfd_set_format (abfd, bfd_object);
bfd_set_arch_mach (abfd, BFD_ARCH, machine);
string_byte_count = 4;
for (frchain_ptr = frchain_root;
frchain_ptr != (struct frchain *) NULL;
frchain_ptr = frchain_ptr->frch_next)
{
int alignment;
subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg);
alignment = SUB_SEGMENT_ALIGN (now_seg, frchain_ptr);
#ifdef md_do_align
md_do_align (alignment, (char *) NULL, 0, 0, alignment_done);
#endif
if (subseg_text_p (now_seg))
frag_align_code (alignment, 0);
else
frag_align (alignment, 0, 0);
#ifdef md_do_align
alignment_done:
#endif
frag_wane (frag_now);
frag_now->fr_fix = 0;
know (frag_now->fr_next == NULL);
}
remove_subsegs ();
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
relax_segment (segment_info[i].frchainP->frch_root, i);
finalize_syms = 1;
H_SET_NUMBER_OF_SECTIONS (&headers, 0);
addr = 0;
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
{
long size;
segment_info[i].scnhdr.s_paddr = addr;
segment_info[i].scnhdr.s_vaddr = addr;
if (segment_info[i].scnhdr.s_name[0])
{
H_SET_NUMBER_OF_SECTIONS (&headers,
H_GET_NUMBER_OF_SECTIONS (&headers) + 1);
#ifdef COFF_LONG_SECTION_NAMES
{
unsigned int len;
len = strlen (segment_info[i].name);
if (len > SCNNMLEN)
string_byte_count += len + 1;
}
#endif
}
size = size_section (abfd, (unsigned int) i);
addr += size;
#ifdef ALIGNMENT_IN_S_FLAGS
segment_info[i].scnhdr.s_flags |= (section_alignment[i] & 0xF) << 8;
#else
segment_info[i].scnhdr.s_align = 1 << section_alignment[i];
#endif
if (i == SEG_E0)
H_SET_TEXT_SIZE (&headers, size);
else if (i == SEG_E1)
H_SET_DATA_SIZE (&headers, size);
else if (i == SEG_E2)
H_SET_BSS_SIZE (&headers, size);
}
crawl_symbols (&headers, abfd);
if (string_byte_count == 4)
string_byte_count = 0;
H_SET_STRING_SIZE (&headers, string_byte_count);
#ifdef tc_frob_file
tc_frob_file ();
#endif
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
{
fixup_mdeps (segment_info[i].frchainP->frch_root, &headers, i);
fixup_segment (&segment_info[i], i);
}
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
{
name = segment_info[i].name;
if (name != NULL
&& strncmp (".stab", name, 5) == 0
&& strncmp (".stabstr", name, 8) != 0)
adjust_stab_section (abfd, i);
}
file_cursor = H_GET_TEXT_FILE_OFFSET (&headers);
bfd_seek (abfd, (file_ptr) file_cursor, 0);
fill_section (abfd, &headers, &file_cursor);
do_relocs_for (abfd, &headers, &file_cursor);
do_linenos_for (abfd, &headers, &file_cursor);
H_SET_FILE_MAGIC_NUMBER (&headers, COFF_MAGIC);
#ifndef OBJ_COFF_OMIT_TIMESTAMP
H_SET_TIME_STAMP (&headers, (long)time((time_t *)0));
#else
H_SET_TIME_STAMP (&headers, 0);
#endif
#ifdef TC_COFF_SET_MACHINE
TC_COFF_SET_MACHINE (&headers);
#endif
#ifndef COFF_FLAGS
#define COFF_FLAGS 0
#endif
#ifdef KEEP_RELOC_INFO
H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) |
COFF_FLAGS | coff_flags));
#else
H_SET_FLAGS (&headers, ((H_GET_LINENO_SIZE(&headers) ? 0 : F_LNNO) |
(H_GET_RELOCATION_SIZE(&headers) ? 0 : F_RELFLG) |
COFF_FLAGS | coff_flags));
#endif
{
unsigned int symtable_size = H_GET_SYMBOL_TABLE_SIZE (&headers);
char *buffer1 = xmalloc (symtable_size + string_byte_count + 1);
H_SET_SYMBOL_TABLE_POINTER (&headers, bfd_tell (abfd));
w_symbols (abfd, buffer1, symbol_rootP);
if (string_byte_count > 0)
w_strings (buffer1 + symtable_size);
bfd_bwrite (buffer1, (bfd_size_type) symtable_size + string_byte_count,
abfd);
free (buffer1);
}
coff_header_append (abfd, &headers);
{
extern bfd *stdoutput;
stdoutput = abfd;
}
}
segT
obj_coff_add_segment (name)
const char *name;
{
unsigned int i;
#ifndef COFF_LONG_SECTION_NAMES
char buf[SCNNMLEN + 1];
strncpy (buf, name, SCNNMLEN);
buf[SCNNMLEN] = '\0';
name = buf;
#endif
for (i = SEG_E0; i < SEG_LAST && segment_info[i].scnhdr.s_name[0]; i++)
if (strcmp (name, segment_info[i].name) == 0)
return (segT) i;
if (i == SEG_LAST)
{
as_bad (_("Too many new sections; can't add \"%s\""), name);
return now_seg;
}
strncpy (segment_info[i].scnhdr.s_name, name,
sizeof (segment_info[i].scnhdr.s_name));
segment_info[i].scnhdr.s_flags = STYP_REG;
segment_info[i].name = xstrdup (name);
return (segT) i;
}
void
obj_coff_section (ignore)
int ignore ATTRIBUTE_UNUSED;
{
char *section_name, *name;
char c;
unsigned int exp;
long flags;
if (flag_mri)
{
char type;
s_mri_sect (&type);
flags = 0;
if (type == 'C')
flags = STYP_TEXT;
else if (type == 'D')
flags = STYP_DATA;
segment_info[now_seg].scnhdr.s_flags |= flags;
return;
}
section_name = input_line_pointer;
c = get_symbol_end ();
name = xmalloc (input_line_pointer - section_name + 1);
strcpy (name, section_name);
*input_line_pointer = c;
exp = 0;
flags = 0;
SKIP_WHITESPACE ();
if (*input_line_pointer == ',')
{
++input_line_pointer;
SKIP_WHITESPACE ();
if (*input_line_pointer != '"')
exp = get_absolute_expression ();
else
{
++input_line_pointer;
while (*input_line_pointer != '"'
&& ! is_end_of_line[(unsigned char) *input_line_pointer])
{
switch (*input_line_pointer)
{
case 'b': flags |= STYP_BSS; break;
case 'i': flags |= STYP_INFO; break;
case 'l': flags |= STYP_LIB; break;
case 'n': flags |= STYP_NOLOAD; break;
case 'o': flags |= STYP_OVER; break;
case 'd':
case 'w': flags |= STYP_DATA; break;
case 'x': flags |= STYP_TEXT; break;
case 'r': flags |= STYP_LIT; break;
default:
as_warn(_("unknown section attribute '%c'"),
*input_line_pointer);
break;
}
++input_line_pointer;
}
if (*input_line_pointer == '"')
++input_line_pointer;
}
}
subseg_new (name, (subsegT) exp);
segment_info[now_seg].scnhdr.s_flags |= flags;
demand_empty_rest_of_line ();
}
static void
obj_coff_text (ignore)
int ignore ATTRIBUTE_UNUSED;
{
subseg_new (".text", get_absolute_expression ());
}
static void
obj_coff_data (ignore)
int ignore ATTRIBUTE_UNUSED;
{
if (flag_readonly_data_in_text)
subseg_new (".text", get_absolute_expression () + 1000);
else
subseg_new (".data", get_absolute_expression ());
}
static void
obj_coff_ident (ignore)
int ignore ATTRIBUTE_UNUSED;
{
segT current_seg = now_seg;
subsegT current_subseg = now_subseg;
subseg_new (".comment", 0);
stringer (1);
subseg_set (current_seg, current_subseg);
}
void
c_symbol_merge (debug, normal)
symbolS *debug;
symbolS *normal;
{
S_SET_DATA_TYPE (normal, S_GET_DATA_TYPE (debug));
S_SET_STORAGE_CLASS (normal, S_GET_STORAGE_CLASS (debug));
if (S_GET_NUMBER_AUXILIARY (debug) > S_GET_NUMBER_AUXILIARY (normal))
S_SET_NUMBER_AUXILIARY (normal, S_GET_NUMBER_AUXILIARY (debug));
if (S_GET_NUMBER_AUXILIARY (debug) > 0)
memcpy ((char *) &normal->sy_symbol.ost_auxent[0],
(char *) &debug->sy_symbol.ost_auxent[0],
(unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ));
SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug));
}
static int
c_line_new (symbol, paddr, line_number, frag)
symbolS * symbol;
long paddr;
int line_number;
fragS * frag;
{
struct lineno_list *new_line =
(struct lineno_list *) xmalloc (sizeof (struct lineno_list));
segment_info_type *s = segment_info + now_seg;
new_line->line.l_lnno = line_number;
if (line_number == 0)
{
last_line_symbol = symbol;
new_line->line.l_addr.l_symndx = (long) symbol;
}
else
{
new_line->line.l_addr.l_paddr = paddr;
}
new_line->frag = (char *) frag;
new_line->next = (struct lineno_list *) NULL;
if (s->lineno_list_head == (struct lineno_list *) NULL)
s->lineno_list_head = new_line;
else
s->lineno_list_tail->next = new_line;
s->lineno_list_tail = new_line;
return LINESZ * s->scnhdr.s_nlnno++;
}
void
c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED)
{
symbolS *symbolP;
symbolP = symbol_new (".file",
SEG_DEBUG,
0,
&zero_address_frag);
S_SET_STORAGE_CLASS (symbolP, C_FILE);
S_SET_NUMBER_AUXILIARY (symbolP, 1);
if (strlen (filename) > FILNMLEN)
{
struct filename_list *f = ((struct filename_list *)
xmalloc (sizeof (struct filename_list)));
f->filename = filename;
f->next = 0;
SA_SET_FILE_FNAME_ZEROS (symbolP, 0);
SA_SET_FILE_FNAME_OFFSET (symbolP, 1);
if (filename_list_tail)
filename_list_tail->next = f;
else
filename_list_head = f;
filename_list_tail = f;
}
else
{
SA_SET_FILE_FNAME (symbolP, filename);
}
#ifndef NO_LISTING
{
extern int listing;
if (listing)
listing_source_file (filename);
}
#endif
SF_SET_DEBUG (symbolP);
S_SET_VALUE (symbolP, (valueT) previous_file_symbol);
previous_file_symbol = symbolP;
if (symbol_rootP != symbolP)
{
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP);
}
}
symbolS *
c_section_symbol (name, idx)
char *name;
int idx;
{
symbolS *symbolP;
symbolP = symbol_find_base (name, DO_NOT_STRIP);
if (symbolP == NULL)
symbolP = symbol_new (name, idx, 0, &zero_address_frag);
else
{
S_SET_SEGMENT (symbolP, idx);
symbolP->sy_frag = &zero_address_frag;
}
S_SET_STORAGE_CLASS (symbolP, C_STAT);
S_SET_NUMBER_AUXILIARY (symbolP, 1);
SF_SET_STATICS (symbolP);
#ifdef TE_DELTA
SF_CLEAR_LOCAL (symbolP);
#endif
#ifdef TE_PE
if (segment_info[idx].linkonce != LINKONCE_UNSET)
{
int type;
switch (segment_info[idx].linkonce)
{
default:
abort ();
case LINKONCE_DISCARD:
type = IMAGE_COMDAT_SELECT_ANY;
break;
case LINKONCE_ONE_ONLY:
type = IMAGE_COMDAT_SELECT_NODUPLICATES;
break;
case LINKONCE_SAME_SIZE:
type = IMAGE_COMDAT_SELECT_SAME_SIZE;
break;
case LINKONCE_SAME_CONTENTS:
type = IMAGE_COMDAT_SELECT_EXACT_MATCH;
break;
}
SYM_AUXENT (symbolP)->x_scn.x_comdat = type;
}
#endif
return symbolP;
}
static void
w_symbols (abfd, where, symbol_rootP)
bfd * abfd;
char *where;
symbolS * symbol_rootP;
{
symbolS *symbolP;
unsigned int i;
for (i = SEG_E0; i < SEG_LAST; i++)
{
symbolP = segment_info[i].dot;
if (symbolP)
{
SA_SET_SCN_SCNLEN (symbolP, segment_info[i].scnhdr.s_size);
SA_SET_SCN_NRELOC (symbolP, segment_info[i].scnhdr.s_nreloc);
SA_SET_SCN_NLINNO (symbolP, segment_info[i].scnhdr.s_nlnno);
}
}
for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
{
char *temp;
if (SF_GET_ADJ_LNNOPTR (symbolP))
SA_GET_SYM_LNNOPTR (symbolP) +=
segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_lnnoptr;
tc_coff_symbol_emit_hook (symbolP);
temp = S_GET_NAME (symbolP);
if (SF_GET_STRING (symbolP))
{
S_SET_OFFSET (symbolP, symbolP->sy_name_offset);
S_SET_ZEROES (symbolP, 0);
}
else
{
memset (symbolP->sy_symbol.ost_entry.n_name, 0, SYMNMLEN);
strncpy (symbolP->sy_symbol.ost_entry.n_name, temp, SYMNMLEN);
}
where = symbol_to_chars (abfd, where, symbolP);
S_SET_NAME (symbolP, temp);
}
}
static void
obj_coff_lcomm (ignore)
int ignore ATTRIBUTE_UNUSED;
{
s_lcomm (0);
return;
}
static void
fixup_mdeps (frags, h, this_segment)
fragS *frags;
object_headers *h ATTRIBUTE_UNUSED;
segT this_segment;
{
subseg_change (this_segment, 0);
while (frags)
{
switch (frags->fr_type)
{
case rs_align:
case rs_align_code:
case rs_align_test:
case rs_org:
#ifdef HANDLE_ALIGN
HANDLE_ALIGN (frags);
#endif
frags->fr_type = rs_fill;
frags->fr_offset =
((frags->fr_next->fr_address - frags->fr_address - frags->fr_fix)
/ frags->fr_var);
break;
case rs_machine_dependent:
md_convert_frag (h, this_segment, frags);
frag_wane (frags);
break;
default:
;
}
frags = frags->fr_next;
}
}
#if 1
#ifndef TC_FORCE_RELOCATION
#define TC_FORCE_RELOCATION(fix) 0
#endif
static void
fixup_segment (segP, this_segment_type)
segment_info_type * segP;
segT this_segment_type;
{
fixS * fixP;
symbolS *add_symbolP;
symbolS *sub_symbolP;
long add_number;
int size;
char *place;
long where;
char pcrel;
fragS *fragP;
segT add_symbol_segment = absolute_section;
for (fixP = segP->fix_root; fixP; fixP = fixP->fx_next)
{
fragP = fixP->fx_frag;
know (fragP);
where = fixP->fx_where;
place = fragP->fr_literal + where;
size = fixP->fx_size;
add_symbolP = fixP->fx_addsy;
sub_symbolP = fixP->fx_subsy;
add_number = fixP->fx_offset;
pcrel = fixP->fx_pcrel;
if (linkrelax
&& (!sub_symbolP || pcrel))
continue;
#ifdef TC_I960
if (fixP->fx_tcbit && SF_GET_CALLNAME (add_symbolP))
{
if (!SF_GET_BALNAME (tc_get_bal_of_call (add_symbolP)))
{
as_bad_where (fixP->fx_file, fixP->fx_line,
_("No 'bal' entry point for leafproc %s"),
S_GET_NAME (add_symbolP));
continue;
}
fixP->fx_addsy = add_symbolP = tc_get_bal_of_call (add_symbolP);
}
#endif
if (add_symbolP != NULL && ! add_symbolP->sy_resolved)
resolve_symbol_value (add_symbolP);
if (add_symbolP != NULL)
{
if (add_symbolP->sy_value.X_op == O_symbol
&& (! S_IS_DEFINED (add_symbolP)
|| S_IS_COMMON (add_symbolP)))
{
while (add_symbolP->sy_value.X_op == O_symbol
&& (! S_IS_DEFINED (add_symbolP)
|| S_IS_COMMON (add_symbolP)))
{
symbolS *n;
n = add_symbolP->sy_value.X_add_symbol;
if (n == add_symbolP)
break;
add_number += add_symbolP->sy_value.X_add_number;
add_symbolP = n;
}
fixP->fx_addsy = add_symbolP;
fixP->fx_offset = add_number;
}
}
if (sub_symbolP != NULL && ! sub_symbolP->sy_resolved)
resolve_symbol_value (sub_symbolP);
if (add_symbolP != NULL
&& add_symbolP->sy_mri_common)
{
add_number += S_GET_VALUE (add_symbolP);
fixP->fx_offset = add_number;
add_symbolP = fixP->fx_addsy = add_symbolP->sy_value.X_add_symbol;
}
if (add_symbolP)
add_symbol_segment = S_GET_SEGMENT (add_symbolP);
if (sub_symbolP)
{
if (add_symbolP == NULL || add_symbol_segment == absolute_section)
{
if (add_symbolP != NULL)
{
add_number += S_GET_VALUE (add_symbolP);
add_symbolP = NULL;
fixP->fx_addsy = NULL;
}
if (S_GET_SEGMENT (sub_symbolP) == absolute_section)
{
add_number -= S_GET_VALUE (sub_symbolP);
fixP->fx_subsy = 0;
fixP->fx_done = 1;
}
else
{
#ifndef TC_M68K
as_bad_where (fixP->fx_file, fixP->fx_line,
_("Negative of non-absolute symbol %s"),
S_GET_NAME (sub_symbolP));
#endif
add_number -= S_GET_VALUE (sub_symbolP);
}
}
else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment
&& SEG_NORMAL (add_symbol_segment))
{
#ifdef TC_I960
if (fixP->fx_tcbit)
as_bad_where (fixP->fx_file, fixP->fx_line,
_("callj to difference of 2 symbols"));
#endif
add_number += S_GET_VALUE (add_symbolP) -
S_GET_VALUE (sub_symbolP);
add_symbolP = NULL;
if (!TC_FORCE_RELOCATION (fixP))
{
fixP->fx_addsy = NULL;
fixP->fx_subsy = NULL;
fixP->fx_done = 1;
#ifdef TC_M68K
pcrel = 0;
fixP->fx_pcrel = 0;
#endif
}
}
else
{
know (!(S_IS_EXTERNAL (sub_symbolP) && (S_GET_SEGMENT (sub_symbolP) == absolute_section)));
if ((S_GET_SEGMENT (sub_symbolP) == absolute_section))
add_number -= S_GET_VALUE (sub_symbolP);
#ifdef DIFF_EXPR_OK
else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type)
{
add_number += (md_pcrel_from (fixP)
- S_GET_VALUE (sub_symbolP));
pcrel = 1;
fixP->fx_pcrel = 1;
sub_symbolP = 0;
fixP->fx_subsy = 0;
}
#endif
else
{
as_bad_where (fixP->fx_file, fixP->fx_line,
_("Can't emit reloc {- %s-seg symbol \"%s\"} @ file address %ld."),
segment_name (S_GET_SEGMENT (sub_symbolP)),
S_GET_NAME (sub_symbolP),
(long) (fragP->fr_address + where));
}
}
}
if (add_symbolP)
{
if (add_symbol_segment == this_segment_type && pcrel)
{
#ifdef TC_I960
reloc_callj (fixP);
#endif
add_number += S_GET_VALUE (add_symbolP);
add_number -= md_pcrel_from (fixP);
pcrel = 0;
if (!TC_FORCE_RELOCATION (fixP))
{
fixP->fx_addsy = NULL;
fixP->fx_done = 1;
}
}
else
{
switch (add_symbol_segment)
{
case absolute_section:
#ifdef TC_I960
reloc_callj (fixP);
#endif
add_number += S_GET_VALUE (add_symbolP);
add_symbolP = NULL;
if (!TC_FORCE_RELOCATION (fixP))
{
fixP->fx_addsy = NULL;
fixP->fx_done = 1;
}
break;
default:
#if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K) || defined(TC_OR32)
add_number += S_GET_VALUE (add_symbolP);
#else
add_number += S_GET_VALUE (add_symbolP) +
segment_info[S_GET_SEGMENT (add_symbolP)].scnhdr.s_paddr;
#endif
break;
case SEG_UNKNOWN:
#ifdef TC_I960
if ((int) fixP->fx_bit_fixP == 13)
{
as_bad_where (fixP->fx_file, fixP->fx_line,
_("can't use COBR format with external label"));
fixP->fx_addsy = NULL;
fixP->fx_done = 1;
continue;
}
#endif
#if ((defined (TC_I386) || defined (TE_LYNX) || defined (TE_AUX)) && !defined(TE_PE)) || defined (COFF_COMMON_ADDEND)
if (S_IS_COMMON (add_symbolP))
add_number += S_GET_VALUE (add_symbolP);
#endif
break;
}
}
}
if (pcrel)
{
#if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) && !defined(TC_A29K) && !defined(TC_OR32)
add_number -= md_pcrel_from (fixP);
#endif
if (add_symbolP == 0)
fixP->fx_addsy = &abs_symbol;
#if defined (TC_I386) || defined (TE_LYNX) || defined (TC_I960) || defined (TC_M68K)
add_number -= segP->scnhdr.s_vaddr;
#endif
}
md_apply_fix3 (fixP, (valueT *) & add_number, this_segment_type);
if (!fixP->fx_bit_fixP && ! fixP->fx_no_overflow)
{
#ifndef TC_M88K
if ((size == 1
&& ((add_number & ~0xFF)
|| (fixP->fx_signed && (add_number & 0x80)))
&& ((add_number & ~0xFF) != (-1 & ~0xFF)
|| (add_number & 0x80) == 0))
|| (size == 2
&& ((add_number & ~0xFFFF)
|| (fixP->fx_signed && (add_number & 0x8000)))
&& ((add_number & ~0xFFFF) != (-1 & ~0xFFFF)
|| (add_number & 0x8000) == 0)))
{
as_bad_where (fixP->fx_file, fixP->fx_line,
_("Value of %ld too large for field of %d bytes at 0x%lx"),
(long) add_number, size,
(unsigned long) (fragP->fr_address + where));
}
#endif
#ifdef WARN_SIGNED_OVERFLOW_WORD
if (!flag_signed_overflow_ok
&& size == 2
&& add_number > 0x7fff)
as_bad_where (fixP->fx_file, fixP->fx_line,
_("Signed .word overflow; switch may be too large; %ld at 0x%lx"),
(long) add_number,
(unsigned long) (fragP->fr_address + where));
#endif
}
}
}
#endif
void
obj_coff_init_stab_section (seg)
segT seg;
{
char *file;
char *p;
char *stabstr_name;
unsigned int stroff;
p = frag_more (12);
memset (p, 0, 12);
as_where (&file, (unsigned int *) NULL);
stabstr_name = (char *) alloca (strlen (segment_info[seg].name) + 4);
strcpy (stabstr_name, segment_info[seg].name);
strcat (stabstr_name, "str");
stroff = get_stab_string_offset (file, stabstr_name);
know (stroff == 1);
md_number_to_chars (p, stroff, 4);
}
static void
adjust_stab_section(abfd, seg)
bfd *abfd;
segT seg;
{
segT stabstrseg = SEG_UNKNOWN;
const char *secname, *name2;
char *name;
char *p = NULL;
int i, strsz = 0, nsyms;
fragS *frag = segment_info[seg].frchainP->frch_root;
secname = segment_info[seg].name;
name = (char *) alloca (strlen (secname) + 4);
strcpy (name, secname);
strcat (name, "str");
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
{
name2 = segment_info[i].name;
if (name2 != NULL && strncmp(name2, name, 8) == 0)
{
stabstrseg = i;
break;
}
}
if (stabstrseg != SEG_UNKNOWN)
strsz = size_section (abfd, stabstrseg);
nsyms = size_section (abfd, seg) / 12 - 1;
while (frag && frag->fr_fix < 12)
frag = frag->fr_next;
assert (frag != 0);
p = frag->fr_literal;
assert (p != 0);
bfd_h_put_16 (abfd, (bfd_vma) nsyms, (bfd_byte *) p + 6);
bfd_h_put_32 (abfd, (bfd_vma) strsz, (bfd_byte *) p + 8);
}
#endif
const pseudo_typeS coff_pseudo_table[] =
{
{"def", obj_coff_def, 0},
{"dim", obj_coff_dim, 0},
{"endef", obj_coff_endef, 0},
{"line", obj_coff_line, 0},
{"ln", obj_coff_ln, 0},
#ifdef BFD_ASSEMBLER
{"loc", obj_coff_loc, 0},
#endif
{"appline", obj_coff_ln, 1},
{"scl", obj_coff_scl, 0},
{"size", obj_coff_size, 0},
{"tag", obj_coff_tag, 0},
{"type", obj_coff_type, 0},
{"val", obj_coff_val, 0},
{"section", obj_coff_section, 0},
{"sect", obj_coff_section, 0},
{"section.s", obj_coff_section, 0},
{"sect.s", obj_coff_section, 0},
{"bss", obj_coff_bss, 0},
{"ident", obj_coff_ident, 0},
#ifndef BFD_ASSEMBLER
{"use", obj_coff_section, 0},
{"text", obj_coff_text, 0},
{"data", obj_coff_data, 0},
{"lcomm", obj_coff_lcomm, 0},
#else
{"weak", obj_coff_weak, 0},
{"optim", s_ignore, 0},
#endif
{"version", s_ignore, 0},
{"ABORT", s_abort, 0},
#if defined( TC_M88K ) || defined ( TC_TIC4X )
{"sdef", obj_coff_def, 0},
#endif
{NULL, NULL, 0}
};
#ifdef BFD_ASSEMBLER
static void coff_pop_insert PARAMS ((void));
static int coff_separate_stab_sections PARAMS ((void));
static void
coff_pop_insert ()
{
pop_insert (coff_pseudo_table);
}
static int
coff_separate_stab_sections ()
{
return 1;
}
const struct format_ops coff_format_ops =
{
bfd_target_coff_flavour,
0,
1,
0,
c_dot_file_symbol,
coff_frob_symbol,
0,
0,
0,
coff_frob_file_after_relocs,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
0,
coff_separate_stab_sections,
obj_coff_init_stab_section,
0,
coff_pop_insert,
0,
coff_obj_read_begin_hook,
coff_obj_symbol_new_hook
};
#endif