static void obj_coff_bss PARAMS ((int));
const char *s_get_name PARAMS ((symbolS * s));
-static symbolS *def_symbol_in_progress;
+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
+/* 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
{
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);
{
abort ();
}
+ if (num <= 0)
+ {
+ /* Zero is used as an end marker in the file. */
+ as_bad (_("Line numbers must be positive integers\n"));
+ return;
+ }
new_line->next = line_nos;
new_line->frag = frag;
new_line->l.line_number = num;
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 */
static void
obj_coff_endef (ignore)
- int ignore;
+ int ignore ATTRIBUTE_UNUSED;
{
symbolS *symbolP;
S_SET_SEGMENT (def_symbol_in_progress, text_section);
name = S_GET_NAME (def_symbol_in_progress);
- 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 ();
+ 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;
/* 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
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
{
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;
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)
{
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
coff_last_function = symp;
if (S_GET_NUMBER_AUXILIARY (symp) < 1)
S_SET_NUMBER_AUXILIARY (symp, 1);
- auxp =
- &coffsymbol (symbol_get_bfdsym (symp))->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));
}
/* 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)
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;
SKIP_WHITESPACE ();
exp = 0;
- flags = SEC_NO_FLAGS;
+ flags = SEC_LOAD;
if (*input_line_pointer == ',')
{
{
case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break;
case 'n': flags &=~ SEC_LOAD; break;
- case 'd':
- case 'w': flags |= SEC_DATA; flags &=~ SEC_READONLY; break;
- case 'x': flags |= SEC_CODE; break;
+ case 'd': flags |= SEC_DATA | SEC_LOAD; /* fall through */
+ case 'w': flags &=~ SEC_READONLY; 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 */
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));
/* When not using BFD_ASSEMBLER, we permit up to 40 sections.
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. */
#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},
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},
{"sdef", obj_coff_def, 0},
#endif
{NULL, NULL, 0} /* end sentinel */
-}; /* obj_pseudo_table */
+}; /* coff_pseudo_table */
\f
#ifdef BFD_ASSEMBLER
/* Support for a COFF emulation. */
-static void
-coff_pop_insert ()
-{
- pop_insert (obj_pseudo_table);
-}
-
-static int
-coff_sec_sym_ok_for_reloc (sec)
- asection *sec;
-{
- return 0;
-}
+static void coff_pop_insert PARAMS ((void));
static void
-no_func ()
+coff_pop_insert ()
{
- abort ();
+ pop_insert (coff_pseudo_table);
}
const struct format_ops coff_format_ops =
{
bfd_target_coff_flavour,
- 0,
- 1,
+ 0, /* dfl_leading_underscore */
+ 1, /* emit_section_symbols */
coff_frob_symbol,
- no_func,
+ 0, /* frob_file */
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_get_desc */
+ 0, /* copy_symbol_attributes */
+ 0, /* generate_asm_lineno */
+ 0, /* process_stab */
+ 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