/* coff object file format
- Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 96, 97, 1998
+ Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000, 2001
Free Software Foundation, Inc.
This file is part of GAS.
#define KEEP_RELOC_INFO
#endif
-static void obj_coff_bss PARAMS ((int));
-const char *s_get_name PARAMS ((symbolS * s));
+/* The BFD_ASSEMBLER version of obj_coff_section will use this macro to set
+ a new section's attributes when a directive has no valid flags or the
+ "w" flag is used. This default should be appropriate for most. */
+#ifndef TC_COFF_SECTION_DEFAULT_ATTRIBUTES
+#define TC_COFF_SECTION_DEFAULT_ATTRIBUTES (SEC_LOAD | SEC_DATA)
+#endif
+
+/* This is used to hold the symbol built by a sequence of pseudo-ops
+ from .def and .endef. */
static symbolS *def_symbol_in_progress;
-\f
-/* stack stuff */
typedef struct
{
unsigned long chunk_size;
}
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));
+static void obj_coff_weak PARAMS ((int));
+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
+\f
+/* stack stuff */
+
static stack *
stack_init (chunk_size, element_size)
unsigned long chunk_size;
static void
obj_coff_bss (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (*input_line_pointer == '\n')
subseg_new (".bss", get_absolute_expression ());
s_lcomm (0);
}
+/* Handle .weak. This is a GNU extension. */
+
+static void
+obj_coff_weak (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ char *name;
+ int c;
+ symbolS *symbolP;
+
+ do
+ {
+ name = input_line_pointer;
+ c = get_symbol_end ();
+ 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);
+#else
+ S_SET_STORAGE_CLASS (symbolP, C_WEAKEXT);
+#endif
+
+ if (c == ',')
+ {
+ input_line_pointer++;
+ SKIP_WHITESPACE ();
+ if (*input_line_pointer == '\n')
+ c = '\n';
+ }
+ }
+ while (c == ',');
+
+ demand_empty_rest_of_line ();
+}
+
#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])
+((char*) (&((X)->sy_symbol.ost_auxent->x_file.x_n.x_offset))[1])
/* @@ Ick. */
static segT
{
combined_entry_type *entry, *p;
- entry = &coffsymbol (sym->bsym)->native[1];
- p = coffsymbol (val->bsym)->native;
+ 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;
}
{
combined_entry_type *entry, *p;
- entry = &coffsymbol (sym->bsym)->native[1];
- p = coffsymbol (val->bsym)->native;
+ 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;
}
S_GET_DATA_TYPE (sym)
symbolS *sym;
{
- return coffsymbol (sym->bsym)->native->u.syment.n_type;
+ return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type;
}
int
symbolS *sym;
int val;
{
- coffsymbol (sym->bsym)->native->u.syment.n_type = val;
+ coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_type = val;
return val;
}
S_GET_STORAGE_CLASS (sym)
symbolS *sym;
{
- return coffsymbol (sym->bsym)->native->u.syment.n_sclass;
+ return coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass;
}
int
symbolS *sym;
int val;
{
- coffsymbol (sym->bsym)->native->u.syment.n_sclass = val;
+ coffsymbol (symbol_get_bfdsym (sym))->native->u.syment.n_sclass = val;
return val;
}
-/* Merge a debug symbol containing debug information into a normal symbol. */
+/* Merge a debug symbol containing debug information into a normal symbol. */
void
c_symbol_merge (debug, normal)
if (S_GET_NUMBER_AUXILIARY (debug) > 0)
{
/* Move all the auxiliary information. */
- memcpy (coffsymbol (normal->bsym)->native + 1,
- coffsymbol (debug->bsym)->native + 1,
- S_GET_NUMBER_AUXILIARY (debug) * sizeof (combined_entry_type));
+ memcpy (SYM_AUXINFO (normal), SYM_AUXINFO (debug),
+ (S_GET_NUMBER_AUXILIARY (debug)
+ * sizeof (*SYM_AUXINFO (debug))));
}
- /* Move the debug flags. */
+ /* Move the debug flags. */
SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug));
}
void
c_dot_file_symbol (filename)
- char *filename;
+ const char *filename;
{
symbolS *symbolP;
+ /* BFD converts filename to a .file symbol with an aux entry. It
+ also handles chaining. */
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);
- symbolP->bsym->flags = BSF_DEBUGGING;
+ symbol_get_bfdsym (symbolP)->flags = BSF_DEBUGGING;
#ifndef NO_LISTING
{
{
long sz = (OBJ_COFF_MAX_AUXENTRIES + 1) * sizeof (combined_entry_type);
char * s = (char *) xmalloc (sz);
-
+
memset (s, 0, sz);
- coffsymbol (symbolP->bsym)->native = (combined_entry_type *) s;
+ coffsymbol (symbol_get_bfdsym (symbolP))->native = (combined_entry_type *) s;
S_SET_DATA_TYPE (symbolP, T_NULL);
S_SET_STORAGE_CLASS (symbolP, 0);
if (S_IS_STRING (symbolP))
SF_SET_STRING (symbolP);
-
+
if (S_IS_LOCAL (symbolP))
SF_SET_LOCAL (symbolP);
}
static void
add_lineno (frag, offset, num)
fragS *frag;
- int offset;
+ addressT offset;
int num;
{
struct line_no *new_line =
{
abort ();
}
+
+#ifndef OBJ_XCOFF
+ /* The native aix assembler accepts negative line number */
+
+ if (num <= 0)
+ {
+ /* Zero is used as an end marker in the file. */
+ as_warn (_("Line numbers must be positive integers\n"));
+ num = 1;
+ }
+#endif /* OBJ_XCOFF */
new_line->next = line_nos;
new_line->frag = frag;
new_line->l.line_number = num;
{
if (line_nos)
{
- coffsymbol (current_lineno_sym->bsym)->lineno = (alent *) line_nos;
+ coffsymbol (symbol_get_bfdsym (current_lineno_sym))->lineno =
+ (alent *) line_nos;
coff_n_line_nos++;
line_nos = 0;
}
}
l = get_absolute_expression ();
- if (!appline)
- {
- add_lineno (frag_now, frag_now_fix (), l);
- }
- if (appline)
+ /* If there is no lineno symbol, treat a .ln
+ directive as if it were a .appline directive. */
+ 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
{
demand_empty_rest_of_line ();
}
+/* .loc is essentially the same as .ln; parse it for assembler
+ compatibility. */
+
+static void
+obj_coff_loc (ignore)
+ int ignore ATTRIBUTE_UNUSED;
+{
+ int lineno;
+
+ /* FIXME: Why do we need this check? We need it for ECOFF, but why
+ do we need it for COFF? */
+ 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 the file number. */
+ 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);
+}
+
+/* Handle the .ident pseudo-op. */
+
+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;
+
+ /* We could put it in .comment, but that creates an extra section
+ that shouldn't be loaded into memory, which requires linker
+ changes... For now, until proven otherwise, use .rdata. */
+ 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);
+}
+
/*
* def()
*
static void
obj_coff_def (what)
- int what;
+ int what ATTRIBUTE_UNUSED;
{
char name_end; /* Char after the end of name */
char *symbol_name; /* Name of the debug symbol */
/* Initialize the new symbol */
def_symbol_in_progress = symbol_make (symbol_name_copy);
- def_symbol_in_progress->sy_frag = &zero_address_frag;
+ 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))
static void
obj_coff_endef (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
- symbolS *symbolP;
+ symbolS *symbolP = NULL;
/* DIM BUG FIX sac@cygnus.com */
dim_index = 0;
return;
} /* if not inside .def/.endef */
- /* Set the section number according to storage class. */
+ /* Set the section number according to storage class. */
switch (S_GET_STORAGE_CLASS (def_symbol_in_progress))
{
case C_STRTAG:
break;
case C_EFCN:
- SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */
+ SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */
/* intentional fallthrough */
case C_BLOCK:
SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */
CONST char *name;
S_SET_SEGMENT (def_symbol_in_progress, text_section);
- name = bfd_asymbol_name (def_symbol_in_progress->bsym);
- if (name[1] == 'b' && name[2] == 'f')
- {
- if (! in_function ())
- as_warn (_("`%s' symbol without preceding function"), name);
-/* SA_SET_SYM_LNNO (def_symbol_in_progress, 12345);*/
- /* Will need relocating */
- SF_SET_PROCESS (def_symbol_in_progress);
- clear_function ();
+ name = S_GET_NAME (def_symbol_in_progress);
+ if (name[0] == '.' && name[2] == 'f' && name[3] == '\0')
+ {
+ switch (name[1])
+ {
+ case 'b':
+ /* .bf */
+ if (! in_function ())
+ as_warn (_("`%s' symbol without preceding function"), name);
+ /* Will need relocating. */
+ SF_SET_PROCESS (def_symbol_in_progress);
+ clear_function ();
+ break;
+#ifdef TE_PE
+ case 'e':
+ /* .ef */
+ /* The MS compilers output the actual endline, not the
+ function-relative one... we want to match without
+ changing the assembler input. */
+ SA_SET_SYM_LNNO (def_symbol_in_progress,
+ (SA_GET_SYM_LNNO (def_symbol_in_progress)
+ + coff_line_base));
+ break;
+#endif
+ }
}
}
break;
case C_ARG:
case C_REGPARM:
case C_FIELD:
+
+ /* According to the COFF documentation:
+
+ http://osr5doc.sco.com:1996/topics/COFF_SectNumFld.html
+
+ A special section number (-2) marks symbolic debugging symbols,
+ including structure/union/enumeration tag names, typedefs, and
+ the name of the file. A section number of -1 indicates that the
+ symbol has a value but is not relocatable. Examples of
+ absolute-valued symbols include automatic and register variables,
+ function arguments, and .eos symbols.
+
+ But from Ian Lance Taylor:
+
+ http://sources.redhat.com/ml/binutils/2000-08/msg00202.html
+
+ the actual tools all marked them as section -1. So the GNU COFF
+ assembler follows historical COFF assemblers.
+
+ However, it causes problems for djgpp
+
+ http://sources.redhat.com/ml/binutils/2000-08/msg00210.html
+
+ By defining STRICTCOFF, a COFF port can make the assembler to
+ follow the documented behavior. */
+#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:
/* Valid but set somewhere else (s_comm, s_lcomm, colon) */
/* Now that we have built a debug symbol, try to find if we should
merge with an existing symbol or not. If a symbol is C_EFCN or
- SEG_ABSOLUTE or untagged SEG_DEBUG it never merges. */
+ absolute_section or untagged SEG_DEBUG it never merges. We also
+ don't merge labels, which are in a different namespace, nor
+ symbols which have not yet been defined since they are typically
+ unique, nor do we merge tags with non-tags. */
/* Two cases for functions. Either debug followed by definition or
definition followed by debug. For definition first, we will
lineno entry MUST point to the definition function or else it
will point off into space when obj_crawl_symbol_chain() merges
the debug symbol into the real symbol. Therefor, let's presume
- the debug symbol is a real function reference. */
+ the debug symbol is a real function reference. */
/* FIXME-SOON If for some reason the definition label/symbol is
never seen, this will probably leave an undefined symbol at link
- time. */
+ time. */
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
- || (symbolP = symbol_find_base (S_GET_NAME (def_symbol_in_progress), DO_NOT_STRIP)) == NULL)
+ || ! 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 it already is at the end of the symbol list, do nothing */
if (def_symbol_in_progress != symbol_lastP)
- symbol_append (def_symbol_in_progress, symbol_lastP, &symbol_rootP,
- &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
{
symbols. [loic] */
/* The debug entry (def_symbol_in_progress) is merged into the
- previous definition. */
+ previous definition. */
c_symbol_merge (def_symbol_in_progress, symbolP);
symbol_remove (def_symbol_in_progress, &symbol_rootP, &symbol_lastP);
{
/* For functions, and tags, and static symbols, the symbol
*must* be where the debug symbol appears. Move the
- existing symbol to the current place. */
+ existing symbol to the current place. */
/* If it already is at the end of the symbol list, do nothing */
if (def_symbol_in_progress != symbol_lastP)
{
if (symbolP == NULL)
{
/* That is, if this is the first time we've seen the
- function... */
+ function... */
symbol_table_insert (def_symbol_in_progress);
} /* definition follows debug */
} /* Create the line number entry pointing to the function being defined */
static void
obj_coff_dim (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
int dim_index;
static void
obj_coff_line (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
int this_base;
coff_line_base = this_base;
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
- SA_SET_SYM_LNNO (def_symbol_in_progress, coff_line_base);
+ SA_SET_SYM_LNNO (def_symbol_in_progress, this_base);
demand_empty_rest_of_line ();
extern int listing;
if (listing)
- listing_source_line ((unsigned int) coff_line_base);
+ listing_source_line ((unsigned int) this_base);
}
#endif
}
static void
obj_coff_size (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
static void
obj_coff_scl (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
static void
obj_coff_tag (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
char *symbol_name;
char name_end;
#endif
/* Assume that the symbol referred to by .tag is always defined.
- This was a bad assumption. I've added find_or_make. xoxorich. */
+ This was a bad assumption. I've added find_or_make. xoxorich. */
SA_SET_SYM_TAGNDX (def_symbol_in_progress,
tag_find_or_make (symbol_name));
if (SA_GET_SYM_TAGNDX (def_symbol_in_progress) == 0L)
static void
obj_coff_type (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
static void
obj_coff_val (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
#endif
if (!strcmp (symbol_name, "."))
{
- def_symbol_in_progress->sy_frag = frag_now;
+ symbol_set_frag (def_symbol_in_progress, frag_now);
S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ());
/* If the .val is != from the .def (e.g. statics) */
}
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;
+ 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);
/* If the segment is undefined when the forward reference is
resolved, then copy the segment id from the forward
symbol. */
SF_SET_GET_SEGMENT (def_symbol_in_progress);
+
+ /* FIXME: gcc can generate address expressions here in
+ unusual cases (search for "obscure" in sdbout.c). We
+ just ignore the offset here, thus generating incorrect
+ debugging information. We ignore the rest of the line
+ just below. */
}
- /* Otherwise, it is the name of a non debug symbol and its value will be calculated later. */
+ /* Otherwise, it is the name of a non debug symbol and its value
+ will be calculated later. */
*input_line_pointer = name_end;
}
else
void
coff_obj_read_begin_hook ()
{
- /* These had better be the same. Usually 18 bytes. */
+ /* These had better be the same. Usually 18 bytes. */
#ifndef BFD_HEADERS
know (sizeof (SYMENT) == sizeof (AUXENT));
know (SYMESZ == AUXESZ);
tag_init ();
}
-
symbolS *coff_last_function;
static symbolS *coff_last_bf;
if (!block_stack)
block_stack = stack_init (512, sizeof (symbolS*));
- if (!S_IS_DEFINED (symp) && S_GET_STORAGE_CLASS (symp) != C_STAT)
+ if (S_IS_WEAK (symp))
+ {
+#ifdef TE_PE
+ S_SET_STORAGE_CLASS (symp, C_NT_WEAK);
+#else
+ 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;
+ 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);
else
S_SET_STORAGE_CLASS (symp, C_STAT);
}
+
if (SF_GET_PROCESS (symp))
{
if (S_GET_STORAGE_CLASS (symp) == C_BLOCK)
else
{
symbolS *begin;
+
begin = *(symbolS **) stack_pop (block_stack);
if (begin == 0)
as_warn (_("mismatched .eb"));
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 = &coffsymbol (symp->bsym)->native[1].u.auxent;
+ 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)
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))
- symp->bsym->flags |= BSF_FUNCTION;
+ symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION;
- /* more ... */
+ /* more ... */
}
+ /* Double check weak symbols. */
+ 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)
#ifdef OBJ_XCOFF
/* This is pretty horrible, but we have to set *punt correctly in
order to call SA_SET_SYM_ENDNDX correctly. */
- if (! symp->sy_used_in_reloc
- && ((symp->bsym->flags & BSF_SECTION_SYM) != 0
+ if (! symbol_used_in_reloc_p (symp)
+ && ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0
|| (! S_IS_EXTERNAL (symp)
- && ! symp->sy_tc.output
+ && ! symbol_get_tc (symp)->output
&& S_GET_STORAGE_CLASS (symp) != C_FILE)))
*punt = 1;
#endif
if (set_end != (symbolS *) NULL
&& ! *punt
- && ((symp->bsym->flags & BSF_NOT_AT_END) != 0
+ && ((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)))))
set_end = NULL;
}
- if (next_set_end != NULL
- && ! *punt)
- set_end = next_set_end;
+ 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)
SA_SET_SYM_ENDNDX (coff_last_bf, symp);
coff_last_bf = symp;
}
-
- if (coffsymbol (symp->bsym)->lineno)
+#endif
+ if (coffsymbol (symbol_get_bfdsym (symp))->lineno)
{
int i;
struct line_no *lptr;
alent *l;
- lptr = (struct line_no *) coffsymbol (symp->bsym)->lineno;
+ lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
for (i = 0; lptr; lptr = lptr->next)
i++;
- lptr = (struct line_no *) coffsymbol (symp->bsym)->lineno;
+ lptr = (struct line_no *) coffsymbol (symbol_get_bfdsym (symp))->lineno;
/* We need i entries for line numbers, plus 1 for the first
entry which BFD will override, plus 1 for the last zero
entry (a marker for BFD). */
l = (alent *) xmalloc ((i + 2) * sizeof (alent));
- coffsymbol (symp->bsym)->lineno = l;
+ 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;
+ 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;
+ bfd *abfd ATTRIBUTE_UNUSED;
asection *sec;
- PTR x;
+ PTR x ATTRIBUTE_UNUSED;
{
symbolS *secsym;
segment_info_type *seginfo = seg_info (sec);
&& sec != bss_section)
return;
secsym = section_symbol (sec);
+ /* This is an estimate; we'll plug in the real value using
+ SET_SECTION_RELOCS later */
SA_SET_SCN_NRELOC (secsym, nrelocs);
SA_SET_SCN_NLINNO (secsym, nlnno);
}
* 'd' (apparently m88k for data)
* 'x' for text
* 'r' for read-only data
+ * 's' for shared data (PE)
* But if the argument is not a quoted string, treat it as a
* subsegment number.
*/
void
obj_coff_section (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
/* Strip out the section name */
char *section_name;
char c;
char *name;
unsigned int exp;
- flagword flags;
+ flagword flags, oldflags;
asection *sec;
if (flag_mri)
switch (*input_line_pointer)
{
case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break;
- case 'n': flags &=~ SEC_LOAD; break;
- case 'd':
+ case 'n': flags &=~ SEC_LOAD; flags |= SEC_NEVER_LOAD; break;
+ case 'd': flags |= SEC_DATA | SEC_LOAD; /* fall through */
case 'w': flags &=~ SEC_READONLY; break;
- case 'x': flags |= SEC_CODE; break;
+ case 'x': flags |= SEC_CODE | SEC_LOAD; break;
case 'r': flags |= SEC_READONLY; break;
+ case 's': flags |= SEC_SHARED; break;
case 'i': /* STYP_INFO */
case 'l': /* STYP_LIB */
sec = subseg_new (name, (subsegT) exp);
- if (flags != SEC_NO_FLAGS)
+ oldflags = bfd_get_section_flags (stdoutput, sec);
+ if (oldflags == SEC_NO_FLAGS)
{
+ /* Set section flags for a new section just created by subseg_new.
+ Provide a default if no flags were parsed. */
+ if (flags == SEC_NO_FLAGS)
+ flags = TC_COFF_SECTION_DEFAULT_ATTRIBUTES;
+
+#ifdef COFF_LONG_SECTION_NAMES
+ /* Add SEC_LINK_ONCE and SEC_LINK_DUPLICATES_DISCARD to .gnu.linkonce
+ sections so adjust_reloc_syms in write.c will correctly handle
+ relocs which refer to non-local symbols in these sections. */
+ 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 ()));
+ as_warn (_("error setting flags for \"%s\": %s"),
+ bfd_section_name (stdoutput, sec),
+ bfd_errmsg (bfd_get_error ()));
+ }
+ else if (flags != SEC_NO_FLAGS)
+ {
+ /* This section's attributes have already been set. Warn if the
+ attributes don't match. */
+ flagword matchflags = (SEC_ALLOC | SEC_LOAD | SEC_READONLY | SEC_CODE
+ | SEC_DATA | SEC_SHARED | SEC_NEVER_LOAD);
+ if ((flags ^ oldflags) & matchflags)
+ as_warn (_("Ignoring changed section attributes for %s"), name);
}
demand_empty_rest_of_line ();
char *p;
fragS *fragp;
bfd_vma size, n_entries, mask;
+ bfd_vma align_power = (bfd_vma)sec->alignment_power + OCTETS_PER_BYTE_POWER;
/* The COFF back end in BFD requires that all section sizes be
- rounded up to multiples of the corresponding section alignments.
- Seems kinda silly to me, but that's the way it is. */
+ rounded up to multiples of the corresponding section alignments,
+ supposedly because standard COFF has no other way of encoding alignment
+ for sections. If your COFF flavor has a different way of encoding
+ section alignment, then skip this step, as TICOFF does. */
size = bfd_get_section_size_before_reloc (sec);
- mask = ((bfd_vma) 1 << (bfd_vma) sec->alignment_power) - 1;
+ mask = ((bfd_vma) 1 << align_power) - 1;
+#if !defined(TICOFF)
if (size & mask)
{
- size = (size + mask) & ~mask;
- bfd_set_section_size (stdoutput, sec, size);
+ bfd_vma new_size;
+ fragS *last;
+
+ new_size = (size + mask) & ~mask;
+ bfd_set_section_size (stdoutput, sec, new_size);
+
+ /* If the size had to be rounded up, add some padding in
+ the last non-empty frag. */
+ 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
/* If the section size is non-zero, the section symbol needs an aux
entry associated with it, indicating the size. We don't know
all the values yet; coff_frob_symbol will fill them in later. */
+#ifndef TICOFF
if (size != 0
|| sec == text_section
|| sec == data_section
|| sec == bss_section)
+#endif
{
symbolS *secsym = section_symbol (sec);
char *stabstr_name;
unsigned int stroff;
- /* Make space for this first symbol. */
+ /* Make space for this first symbol. */
p = frag_more (12);
- /* Zero it out. */
+ /* Zero it out. */
memset (p, 0, 12);
as_where (&file, (unsigned int *) NULL);
stabstr_name = (char *) alloca (strlen (seg->name) + 4);
for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
{
- printf(_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"),
+ printf (_("0x%lx: \"%s\" type = %ld, class = %d, segment = %d\n"),
(unsigned long) symbolP,
S_GET_NAME(symbolP),
(long) S_GET_DATA_TYPE(symbolP),
#else /* not BFD_ASSEMBLER */
#include "frags.h"
-/* This is needed because we include internal bfd things. */
+/* This is needed because we include internal bfd things. */
#include <time.h>
#include "libbfd.h"
#define S_SET_ZEROES(s,v) ((s)->sy_symbol.ost_entry.n_zeroes = (v))
#define MIN(a,b) ((a) < (b)? (a) : (b))
-/* This vector is used to turn an internal segment into a section #
- suitable for insertion into a coff symbol table
- */
+
+/* This vector is used to turn a gas internal segment number into a
+ section number suitable for insertion into a coff symbol table.
+ This must correspond to seg_info_off_by_4. */
const short seg_N_TYPE[] =
{ /* in: segT out: N_TYPE bits */
/* structure used to keep the filenames which
are too long around so that we can stick them
into the string table */
-struct filename_list
+struct filename_list
{
char *filename;
struct filename_list *next;
static void fixup_segment PARAMS ((segment_info_type *segP,
segT this_segment_type));
-
static void fixup_mdeps PARAMS ((fragS *,
object_headers *,
segT));
-
static void fill_section PARAMS ((bfd * abfd,
object_headers *,
unsigned long *));
-
static int c_line_new PARAMS ((symbolS * symbol, long paddr,
int line_number,
fragS * frag));
-
static void w_symbols PARAMS ((bfd * abfd, char *where,
symbolS * symbol_rootP));
static void obj_coff_lcomm PARAMS ((int));
static void obj_coff_text PARAMS ((int));
static void obj_coff_data PARAMS ((int));
-static void obj_coff_ident PARAMS ((int));
void obj_coff_section PARAMS ((int));
-/* Section stuff
-
- We allow more than just the standard 3 sections, infact, we allow
- 40 sections, (though the usual three have to be there).
-
- This structure performs the mappings for us:
-*/
-
+/* When not using BFD_ASSEMBLER, we permit up to 40 sections.
-typedef struct
-{
- segT seg_t;
- int i;
-} seg_info_type;
+ This array maps a COFF section number into a gas section number.
+ Because COFF uses negative section numbers, you must add 4 to the
+ COFF section number when indexing into this array; this is done via
+ the SEG_INFO_FROM_SECTION_NUMBER macro. This must correspond to
+ seg_N_TYPE. */
-static const seg_info_type seg_info_off_by_4[] =
+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}
+ 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
return (new_address - address);
}
-
segT
s_get_segment (x)
symbolS * x;
{
- return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum).seg_t;
+ return SEG_INFO_FROM_SECTION_NUMBER (x->sy_symbol.ost_entry.n_scnum);
}
/* calculate the size of the frag chain and fill in the section header
to contain all of it, also fill in the addr of the sections */
static unsigned int
size_section (abfd, idx)
- bfd * abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
unsigned int idx;
{
break;
#endif
case rs_space:
- assert (frag->fr_symbol == 0);
case rs_fill:
case rs_org:
size += frag->fr_fix;
break;
case rs_align:
case rs_align_code:
+ case rs_align_test:
{
addressT off;
return size;
}
-
static unsigned int
count_entries_in_chain (idx)
unsigned int idx;
/* Turn the segment of the symbol into an offset. */
if (symbol_ptr)
{
- resolve_symbol_value (symbol_ptr, 1);
+ resolve_symbol_value (symbol_ptr);
if (! symbol_ptr->sy_resolved)
{
char *file;
#endif
/* Write out the reloc table */
- bfd_write ((PTR) external_reloc_vec, 1, external_reloc_size,
- abfd);
+ bfd_bwrite ((PTR) external_reloc_vec,
+ (bfd_size_type) external_reloc_size, abfd);
free (external_reloc_vec);
/* Fill in section header info. */
H_SET_RELOCATION_SIZE (h, *file_cursor - reloc_start, 0);
}
-
/* run through a frag chain and write out the data to go with it, fill
in the scnhdrs with the info on the file postions
*/
static void
fill_section (abfd, h, file_cursor)
bfd * abfd;
- object_headers *h;
+ object_headers *h ATTRIBUTE_UNUSED;
unsigned long *file_cursor;
{
if (s->s_name[0])
{
fragS *frag = segment_info[i].frchainP->frch_root;
- char *buffer;
+ char *buffer = NULL;
if (s->s_size == 0)
s->s_scnptr = 0;
break;
case rs_space:
- assert (frag->fr_symbol == 0);
case rs_fill:
case rs_align:
case rs_align_code:
+ case rs_align_test:
case rs_org:
if (frag->fr_fix)
{
{
if (s->s_scnptr != 0)
{
- bfd_write (buffer, s->s_size, 1, abfd);
+ bfd_bwrite (buffer, s->s_size, abfd);
*file_cursor += s->s_size;
}
free (buffer);
unsigned long string_size = 4;
#endif
- bfd_seek (abfd, 0, 0);
+ bfd_seek (abfd, (file_ptr) 0, 0);
#ifndef OBJ_COFF_OMIT_OPTIONAL_HEADER
H_SET_MAGIC_NUMBER (h, COFF_MAGIC);
i = bfd_coff_swap_filehdr_out (abfd, &h->filehdr, buffer);
- bfd_write (buffer, i, 1, abfd);
- bfd_write (buffero, H_GET_SIZEOF_OPTIONAL_HEADER (h), 1, abfd);
+ 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++)
{
buffer);
if (size == 0)
as_bad (_("bfd_coff_swap_scnhdr_out failed"));
- bfd_write (buffer, size, 1, abfd);
+ bfd_bwrite (buffer, (bfd_size_type) size, abfd);
}
}
}
-
char *
symbol_to_chars (abfd, where, symbolP)
bfd * abfd;
char underscore = 0; /* Symbol has leading _ */
/* Effective symbol */
- /* Store the pointer in the offset. */
+ /* Store the pointer in the offset. */
S_SET_ZEROES (symbolP, 0L);
S_SET_DATA_TYPE (symbolP, T_NULL);
S_SET_STORAGE_CLASS (symbolP, 0);
static void
obj_coff_def (what)
- int what;
+ int what ATTRIBUTE_UNUSED;
{
char name_end; /* Char after the end of name */
char *symbol_name; /* Name of the debug symbol */
unsigned int dim_index;
-
static void
obj_coff_endef (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
symbolS *symbolP = 0;
/* DIM BUG FIX sac@cygnus.com */
return;
} /* if not inside .def/.endef */
- /* Set the section number according to storage class. */
+ /* Set the section number according to storage class. */
switch (S_GET_STORAGE_CLASS (def_symbol_in_progress))
{
case C_STRTAG:
break;
case C_EFCN:
- SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */
+ SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */
/* intentional fallthrough */
case C_BLOCK:
SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */
SF_SET_PROCESS (def_symbol_in_progress);
function_lineoff = -1;
}
- /* Value is always set to . */
+ /* Value is always set to . */
def_symbol_in_progress->sy_frag = frag_now;
S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ());
break;
break;
case C_EXT:
+ case C_WEAKEXT:
+#ifdef TE_PE
+ case C_NT_WEAK:
+#endif
case C_STAT:
case C_LABEL:
/* Valid but set somewhere else (s_comm, s_lcomm, colon) */
lineno entry MUST point to the definition function or else it
will point off into space when crawl_symbols() merges the debug
symbol into the real symbol. Therefor, let's presume the debug
- symbol is a real function reference. */
+ symbol is a real function reference. */
/* FIXME-SOON If for some reason the definition label/symbol is
never seen, this will probably leave an undefined symbol at link
- time. */
+ time. */
if (S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_EFCN
|| S_GET_STORAGE_CLASS (def_symbol_in_progress) == C_LABEL
previous definition. */
c_symbol_merge (def_symbol_in_progress, symbolP);
- /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */
+ /* FIXME-SOON Should *def_symbol_in_progress be free'd? xoxorich. */
def_symbol_in_progress = symbolP;
if (SF_GET_FUNCTION (def_symbol_in_progress)
{
/* For functions, and tags, and static symbols, the symbol
*must* be where the debug symbol appears. Move the
- existing symbol to the current place. */
+ existing symbol to the current place. */
/* If it already is at the end of the symbol list, do nothing */
if (def_symbol_in_progress != symbol_lastP)
{
if (symbolP == NULL)
{
/* That is, if this is the first time we've seen the
- function... */
+ function... */
symbol_table_insert (def_symbol_in_progress);
} /* definition follows debug */
} /* Create the line number entry pointing to the function being defined */
static void
obj_coff_dim (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
int dim_index;
static void
obj_coff_line (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
int this_base;
const char *name;
static void
obj_coff_size (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
static void
obj_coff_scl (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
static void
obj_coff_tag (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
char *symbol_name;
char name_end;
#endif
/* Assume that the symbol referred to by .tag is always defined.
- This was a bad assumption. I've added find_or_make. xoxorich. */
+ This was a bad assumption. I've added find_or_make. xoxorich. */
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)
static void
obj_coff_type (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
static void
obj_coff_val (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (def_symbol_in_progress == NULL)
{
symbol. */
SF_SET_GET_SEGMENT (def_symbol_in_progress);
- /* FIXME: gcc can generate address expressions
- here in unusual cases (search for "obscure"
- in sdbout.c). We just ignore the offset
- here, thus generating incorrect debugging
- information. We ignore the rest of the
- line just below. */
+ /* FIXME: gcc can generate address expressions here in
+ unusual cases (search for "obscure" in sdbout.c). We
+ just ignore the offset here, thus generating incorrect
+ debugging information. We ignore the rest of the line
+ just below. */
}
/* Otherwise, it is the name of a non debug symbol and
- its value will be calculated later. */
+ its value will be calculated later. */
*input_line_pointer = name_end;
/* FIXME: this is to avoid an error message in the
void
coff_obj_read_begin_hook ()
{
- /* These had better be the same. Usually 18 bytes. */
+ /* These had better be the same. Usually 18 bytes. */
#ifndef BFD_HEADERS
know (sizeof (SYMENT) == sizeof (AUXENT));
know (SYMESZ == AUXESZ);
{
if (symbolP->sy_mri_common)
{
- if (S_GET_STORAGE_CLASS (symbolP) == C_EXT)
+ 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);
/* Debug symbols do not need all this rubbish */
symbolS *real_symbolP;
- /* L* and C_EFCN symbols never merge. */
+ /* L* and C_EFCN symbols never merge. */
if (!SF_GET_LOCAL (symbolP)
&& !SF_GET_STATICS (symbolP)
&& S_GET_STORAGE_CLASS (symbolP) != C_LABEL
&& real_symbolP != symbolP)
{
/* FIXME-SOON: where do dups come from?
- Maybe tag references before definitions? xoxorich. */
+ Maybe tag references before definitions? xoxorich. */
/* Move the debug data from the debug symbol to the
real symbol. Do NOT do the oposite (i.e. move from
real symbol to debug symbol and remove real symbol from the
list.) Because some pointers refer to the real symbol
- whereas no pointers refer to the debug symbol. */
+ whereas no pointers refer to the debug symbol. */
c_symbol_merge (symbolP, real_symbolP);
/* Replace the current symbol by the real one */
/* The symbols will never be the last or the first
S_SET_SEGMENT (symbolP, SEG_E0);
} /* push data into text */
- resolve_symbol_value (symbolP, 1);
+ resolve_symbol_value (symbolP);
if (S_GET_STORAGE_CLASS (symbolP) == C_NULL)
{
/* Mainly to speed up if not -g */
if (SF_GET_PROCESS (symbolP))
{
- /* Handle the nested blocks auxiliary info. */
+ /* Handle the nested blocks auxiliary info. */
if (S_GET_STORAGE_CLASS (symbolP) == C_BLOCK)
{
if (!strcmp (S_GET_NAME (symbolP), ".bb"))
/* If we are able to identify the type of a function, and we
are out of a function (last_functionP == 0) then, the
function symbol will be associated with an auxiliary
- entry. */
+ entry. */
if (last_functionP == (symbolS *) 0 &&
SF_GET_FUNCTION (symbolP))
{
S_SET_NUMBER_AUXILIARY (symbolP, 1);
} /* make it at least 1 */
- /* Clobber possible stale .dim information. */
+ /* Clobber possible stale .dim information. */
#if 0
/* Iffed out by steve - this fries the lnnoptr info too */
bzero (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen,
else if (SF_GET_TAG (symbolP))
{
/* First descriptor of a structure must point to
- the first slot after the structure description. */
+ the first slot after the structure description. */
last_tagP = symbolP;
}
[21] foo external
[22] .be
ld will move the symbol 21 to the end of the list but
- endndx will still be 22 instead of 21. */
-
+ endndx will still be 22 instead of 21. */
if (SF_GET_LOCAL (symbolP))
{
}
else if (!S_IS_DEFINED (symbolP)
&& !S_IS_DEBUG (symbolP)
- && !SF_GET_STATICS (symbolP) &&
- S_GET_STORAGE_CLASS (symbolP) == C_EXT)
- { /* C_EXT && !SF_GET_FUNCTION(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))
+ {
/* if external, Remove from the list */
symbolS *hold = symbol_previous (symbolP);
else if (! S_IS_DEBUG (symbolP)
&& ! SF_GET_STATICS (symbolP)
&& ! SF_GET_FUNCTION (symbolP)
- && S_GET_STORAGE_CLASS (symbolP) == C_EXT)
+ && (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);
}
-
static unsigned int
glue_symbols (head, tail)
symbolS **head;
static void
crawl_symbols (h, abfd)
object_headers *h;
- bfd * abfd;
+ bfd *abfd ATTRIBUTE_UNUSED;
{
unsigned int i;
* undefined symbols at the end of the list.
*/
- /* Is there a .file symbol ? If not insert one at the beginning. */
+ /* Is there a .file symbol ? If not insert one at the beginning. */
if (symbol_rootP == NULL
|| S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE)
{
* Build up static symbols for the sections, they are filled in later
*/
-
for (i = SEG_E0; i < SEG_LAST; i++)
if (segment_info[i].scnhdr.s_name[0])
segment_info[i].dot = c_section_symbol (segment_info[i].name,
{
segment_info_type *s = segment_info + idx;
-
if (s->scnhdr.s_nlnno != 0)
{
struct lineno_list *line_ptr;
line_ptr != (struct lineno_list *) NULL;
line_ptr = line_ptr->next)
{
-
if (line_ptr->line.l_lnno == 0)
{
- /* Turn a pointer to a symbol into the symbols' index */
- line_ptr->line.l_addr.l_symndx =
- ((symbolS *) line_ptr->line.l_addr.l_symndx)->sy_number;
+ /* Turn a pointer to a symbol into the symbols' index,
+ provided that it has been initialised. */
+ 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_write (buffer, 1, s->scnhdr.s_nlnno * LINESZ, abfd);
+ 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);
}
-
/* Now we run through the list of frag chains in a segment and
make all the subsegment frags appear at the end of the
list, as if the seg 0 was extra long */
unsigned int addr;
abfd = bfd_openw (out_file_name, TARGET_FORMAT);
-
if (abfd == 0)
{
as_perror (_("FATAL: Can't create %s"), out_file_name);
at the next frag. */
subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg);
+
#ifndef SUB_SEGMENT_ALIGN
#define SUB_SEGMENT_ALIGN(SEG) 1
#endif
md_do_align (SUB_SEGMENT_ALIGN (now_seg), (char *) NULL, 0, 0,
alignment_done);
#endif
- frag_align (SUB_SEGMENT_ALIGN (now_seg), NOP_OPCODE, 0);
+ if (subseg_text_p (now_seg))
+ frag_align_code (SUB_SEGMENT_ALIGN (now_seg), 0);
+ else
+ frag_align (SUB_SEGMENT_ALIGN (now_seg), 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);
}
+ /* Relaxation has completed. Freeze all syms. */
+ finalize_syms = 1;
+
H_SET_NUMBER_OF_SECTIONS (&headers, 0);
/* Find out how big the sections are, and set the addresses. */
}
/* Look for ".stab" segments and fill in their initial symbols
- correctly. */
+ correctly. */
for (i = SEG_E0; i < SEG_UNKNOWN; i++)
{
name = segment_info[i].name;
w_symbols (abfd, buffer1, symbol_rootP);
if (string_byte_count > 0)
w_strings (buffer1 + symtable_size);
- bfd_write (buffer1, 1, symtable_size + string_byte_count, abfd);
+ bfd_bwrite (buffer1, (bfd_size_type) symtable_size + string_byte_count,
+ abfd);
free (buffer1);
}
coff_header_append (abfd, &headers);
#if 0
/* Recent changes to write need this, but where it should
- go is up to Ken.. */
+ go is up to Ken.. */
if (bfd_close_all_done (abfd) == false)
as_fatal (_("Can't close %s: %s"), out_file_name,
bfd_errmsg (bfd_get_error ()));
void
obj_coff_section (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
/* Strip out the section name */
char *section_name, *name;
demand_empty_rest_of_line ();
}
-
static void
obj_coff_text (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
subseg_new (".text", get_absolute_expression ());
}
-
static void
obj_coff_data (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
if (flag_readonly_data_in_text)
subseg_new (".text", get_absolute_expression () + 1000);
static void
obj_coff_ident (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
segT current_seg = now_seg; /* save current seg */
subsegT current_subseg = now_subseg;
(unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ));
} /* Move all the auxiliary information */
- /* Move the debug flags. */
+ /* Move the debug flags. */
SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug));
} /* c_symbol_merge() */
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;
SA_SET_FILE_FNAME_ZEROS (symbolP, 0);
SA_SET_FILE_FNAME_OFFSET (symbolP, 1);
- if (filename_list_tail)
+ if (filename_list_tail)
filename_list_tail->next = f;
else
filename_list_head = f;
- filename_list_tail = f;
+ filename_list_tail = f;
}
- else
+ else
{
SA_SET_FILE_FNAME (symbolP, filename);
}
{
symbolS *symbolP;
- symbolP = symbol_new (name, idx,
- 0,
- &zero_address_frag);
+ symbolP = symbol_find_base (name, DO_NOT_STRIP);
+ if (symbolP == NULL)
+ symbolP = symbol_new (name, idx, 0, &zero_address_frag);
+ else
+ {
+ /* Mmmm. I just love violating interfaces. Makes me feel...dirty. */
+ S_SET_SEGMENT (symbolP, idx);
+ symbolP->sy_frag = &zero_address_frag;
+ }
S_SET_STORAGE_CLASS (symbolP, C_STAT);
S_SET_NUMBER_AUXILIARY (symbolP, 1);
for (symbolP = symbol_rootP; symbolP; symbolP = symbol_next (symbolP))
{
/* Used to save the offset of the name. It is used to point
- to the string in memory but must be a file offset. */
+ to the string in memory but must be a file offset. */
register char *temp;
/* We can't fix the lnnoptr field in yank_symbols with the other
static void
obj_coff_lcomm (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
s_lcomm(0);
return;
}
*p = 0;
- symbolP = symbol_find_or_make(name);
+ symbolP = symbol_find_or_make (name);
- if (S_GET_SEGMENT(symbolP) == SEG_UNKNOWN &&
- S_GET_VALUE(symbolP) == 0)
+ if (S_GET_SEGMENT (symbolP) == SEG_UNKNOWN &&
+ S_GET_VALUE (symbolP) == 0)
{
if (! need_pass_2)
{
(offsetT) temp, (char *) 0);
*p = 0;
subseg_set (current_seg, current_subseg); /* restore current seg */
- S_SET_SEGMENT(symbolP, SEG_E2);
- S_SET_STORAGE_CLASS(symbolP, C_STAT);
+ S_SET_SEGMENT (symbolP, SEG_E2);
+ S_SET_STORAGE_CLASS (symbolP, C_STAT);
}
}
else
- as_bad(_("Symbol %s already defined"), name);
+ as_bad (_("Symbol %s already defined"), name);
- demand_empty_rest_of_line();
+ demand_empty_rest_of_line ();
#endif
}
{
case rs_align:
case rs_align_code:
+ case rs_align_test:
case rs_org:
#ifdef HANDLE_ALIGN
HANDLE_ALIGN (frags);
if (fixP->fx_tcbit && SF_GET_CALLNAME (add_symbolP))
{
/* Relocation should be done via the associated 'bal' entry
- point symbol. */
+ point symbol. */
if (!SF_GET_BALNAME (tc_get_bal_of_call (add_symbolP)))
{
/* Make sure the symbols have been resolved; this may not have
happened if these are expression symbols. */
if (add_symbolP != NULL && ! add_symbolP->sy_resolved)
- resolve_symbol_value (add_symbolP, 1);
+ resolve_symbol_value (add_symbolP);
if (add_symbolP != NULL)
{
}
if (sub_symbolP != NULL && ! sub_symbolP->sy_resolved)
- resolve_symbol_value (sub_symbolP, 1);
+ resolve_symbol_value (sub_symbolP);
if (add_symbolP != NULL
&& add_symbolP->sy_mri_common)
{
/* Difference of 2 symbols from same segment. Can't
make difference of 2 undefineds: 'value' means
- something different for N_UNDF. */
+ something different for N_UNDF. */
#ifdef TC_I960
/* Makes no sense to use the difference of 2 arbitrary symbols
as the target of a call instruction. */
}
else
{
- /* Different segments in subtraction. */
+ /* Different segments in subtraction. */
know (!(S_IS_EXTERNAL (sub_symbolP) && (S_GET_SEGMENT (sub_symbolP) == absolute_section)));
if ((S_GET_SEGMENT (sub_symbolP) == absolute_section))
}
#ifdef DIFF_EXPR_OK
else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type
-#if 0 /* Okay for 68k, at least... */
+#if 0 /* Okay for 68k, at least... */
&& !pcrel
#endif
)
the i386 are relaxed, this could only arise with a
call instruction. */
- pcrel = 0; /* Lie. Don't want further pcrel processing. */
+ pcrel = 0; /* Lie. Don't want further pcrel processing. */
if (!TC_FORCE_RELOCATION (fixP))
{
fixP->fx_addsy = NULL;
break;
default:
-
#if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K)
/* This really should be handled in the linker, but
backward compatibility forbids. */
/* This is also true for 68k COFF on sysv machines
(Checked on Motorola sysv68 R3V6 and R3V7.1, and also on
UNIX System V/M68000, Release 1.0 from ATT/Bell Labs)
- Philippe De Muyter <phdm@info.ucl.ac.be>. */
+ Philippe De Muyter <phdm@info.ucl.ac.be>. */
if (S_IS_COMMON (add_symbolP))
add_number += S_GET_VALUE (add_symbolP);
#endif
break;
-
} /* switch on symbol seg */
} /* if not in local seg */
} /* if there was a + symbol */
#endif
} /* if pcrel */
+ md_apply_fix3 (fixP, (valueT *) & add_number, this_segment_type);
+
if (!fixP->fx_bit_fixP && ! fixP->fx_no_overflow)
{
#ifndef TC_M88K
(unsigned long) (fragP->fr_address + where));
#endif
} /* not a bit fix */
- /* Once this fix has been applied, we don't have to output
- anything nothing more need be done. */
-#ifdef MD_APPLY_FIX3
- md_apply_fix3 (fixP, (valueT *) &add_number, this_segment_type);
-#else
- md_apply_fix (fixP, add_number);
-#endif
- } /* For each fixS in this segment. */
+ } /* For each fixS in this segment. */
} /* fixup_segment() */
#endif
char *stabstr_name;
unsigned int stroff;
- /* Make space for this first symbol. */
+ /* Make space for this first symbol. */
p = frag_more (12);
- /* Zero it out. */
+ /* Zero it out. */
memset (p, 0, 12);
as_where (&file, (unsigned int *) NULL);
stabstr_name = (char *) alloca (strlen (segment_info[seg].name) + 4);
int i, strsz = 0, nsyms;
fragS *frag = segment_info[seg].frchainP->frch_root;
- /* Look for the associated string table section. */
+ /* Look for the associated string table section. */
secname = segment_info[seg].name;
name = (char *) alloca (strlen (secname) + 4);
}
}
- /* If we found the section, get its size. */
+ /* If we found the section, get its size. */
if (stabstrseg != SEG_UNKNOWN)
strsz = size_section (abfd, stabstrseg);
nsyms = size_section (abfd, seg) / 12 - 1;
/* Look for the first frag of sufficient size for the initial stab
- symbol, and collect a pointer to it. */
+ symbol, and collect a pointer to it. */
while (frag && frag->fr_fix < 12)
frag = frag->fr_next;
assert (frag != 0);
assert (p != 0);
/* Write in the number of stab symbols and the size of the string
- table. */
+ table. */
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 /* not BFD_ASSEMBLER */
-const pseudo_typeS obj_pseudo_table[] =
+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},
/* We accept the .bss directive for backward compatibility with
earlier versions of gas. */
{"bss", obj_coff_bss, 0},
+ {"weak", obj_coff_weak, 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},
- {"ident", obj_coff_ident, 0},
#else
{"optim", s_ignore, 0}, /* For sun386i cc (?) */
- {"ident", s_ignore, 0}, /* we don't yet handle this. */
#endif
{"version", s_ignore, 0},
{"ABORT", s_abort, 0},
/* The m88k uses sdef instead of def. */
{"sdef", obj_coff_def, 0},
#endif
- {NULL} /* end sentinel */
-}; /* obj_pseudo_table */
+ {NULL, NULL, 0} /* end sentinel */
+}; /* coff_pseudo_table */
\f
#ifdef BFD_ASSEMBLER
/* Support for a COFF emulation. */
+static void coff_pop_insert PARAMS ((void));
+static int coff_separate_stab_sections PARAMS ((void));
+
static void
coff_pop_insert ()
{
- pop_insert (obj_pseudo_table);
+ pop_insert (coff_pseudo_table);
}
static int
-coff_sec_sym_ok_for_reloc (sec)
- asection *sec;
-{
- return 0;
-}
-
-static void
-no_func ()
+coff_separate_stab_sections ()
{
- abort ();
+ return 1;
}
const struct format_ops coff_format_ops =
{
bfd_target_coff_flavour,
- 0,
- 1,
+ 0, /* dfl_leading_underscore */
+ 1, /* emit_section_symbols */
+ 0, /* begin */
+ c_dot_file_symbol,
coff_frob_symbol,
- no_func,
+ 0, /* frob_file */
+ 0, /* frob_file_before_adjust */
coff_frob_file_after_relocs,
- 0, 0,
- 0, 0,
- 0,
-#if 0
- obj_generate_asm_lineno,
-#else
- no_func,
-#endif
-#if 0
- obj_stab,
-#else
- no_func,
-#endif
- coff_sec_sym_ok_for_reloc,
+ 0, /* s_get_size */
+ 0, /* s_set_size */
+ 0, /* s_get_align */
+ 0, /* s_set_align */
+ 0, /* s_get_other */
+ 0, /* s_set_other */
+ 0, /* s_get_desc */
+ 0, /* s_set_desc */
+ 0, /* s_get_type */
+ 0, /* s_set_type */
+ 0, /* copy_symbol_attributes */
+ 0, /* generate_asm_lineno */
+ 0, /* process_stab */
+ coff_separate_stab_sections,
+ obj_coff_init_stab_section,
+ 0, /* sec_sym_ok_for_reloc */
coff_pop_insert,
-#if 0
- obj_set_ext,
-#else
- no_func,
-#endif
+ 0, /* ecoff_set_ext */
coff_obj_read_begin_hook,
- coff_obj_symbol_new_hook,
+ coff_obj_symbol_new_hook
};
#endif
projects / deliverable / binutils-gdb.git / blobdiff