/* coff object file format
- Copyright (C) 1989, 90, 91, 92, 93, 94, 95, 96, 97, 98, 99, 2000
+ Copyright 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
+ 1999, 2000, 2001, 2002, 2003, 2004
Free Software Foundation, Inc.
This file is part of GAS.
#include "obstack.h"
#include "subsegs.h"
+#ifdef TE_PE
+#include "coff/pe.h"
+#endif
+
/* I think this is probably always correct. */
#ifndef KEEP_RELOC_INFO
#define KEEP_RELOC_INFO
#endif
+/* 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;
+#ifdef TE_PE
+/* PE weak alternate symbols begin with this string. */
+static const char weak_altprefix[] = ".weak.";
+#endif /* TE_PE */
+
+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));
#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
- {
- unsigned long chunk_size;
- unsigned long element_size;
- unsigned long size;
- char *data;
- unsigned long pointer;
- }
-stack;
static stack *
stack_init (chunk_size, element_size)
return st;
}
-#if 0
-/* Not currently used. */
-static void
-stack_delete (st)
- stack *st;
-{
- free (st->data);
- free (st);
-}
-#endif
-
static char *
stack_push (st, element)
stack *st;
}
\f
/*
- * Maintain a list of the tagnames of the structres.
+ * Maintain a list of the tagnames of the structures.
*/
static struct hash_control *tag_hash;
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 ();
-
-#ifdef BFD_ASSEMLER
- 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
static segT debug_section;
if (!debug_section)
{
- CONST asymbol *s;
+ const asymbol *s;
s = bfd_make_debug_symbol (stdoutput, (char *) 0, 0);
assert (s != 0);
debug_section = s->section;
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)
* 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;
+c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED)
{
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;
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 ();
}
- if (num <= 0)
+
+#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;
}
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
{
if (listing)
{
- lineno += coff_line_base - 1;
+ lineno += coff_line_base - 1;
listing_source_line (lineno);
}
}
obj_coff_endef (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 */
/* intentional fallthrough */
case C_FCN:
{
- CONST char *name;
+ 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':
+ case 'b':
/* .bf */
if (! in_function ())
as_warn (_("`%s' symbol without preceding function"), name);
clear_function ();
break;
#ifdef TE_PE
- case 'e':
+ 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_SET_SYM_LNNO (def_symbol_in_progress,
(SA_GET_SYM_LNNO (def_symbol_in_progress)
+ coff_line_base));
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:
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
|| 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
+ 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_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 */
#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)
just below. */
}
/* Otherwise, it is the name of a non debug symbol and its value
- will be calculated later. */
+ will be calculated later. */
*input_line_pointer = name_end;
}
else
demand_empty_rest_of_line ();
}
+#ifdef TE_PE
+
+/* Return nonzero if name begins with weak alternate symbol prefix. */
+
+static int
+weak_is_altname (const char * name)
+{
+ return ! strncmp (name, weak_altprefix, sizeof (weak_altprefix) - 1);
+}
+
+/* Return the name of the alternate symbol
+ name corresponding to a weak symbol's name. */
+
+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);
+}
+
+/* Return the name of the weak symbol corresponding to an
+ alterate symbol. */
+
+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;
+}
+
+/* Make a weak symbol name unique by
+ appending the name of an external symbol. */
+
+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 /* TE_PE */
+
+/* Handle .weak. This is a GNU extension in formats other than PE. */
+
+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
+ /* See _Microsoft Portable Executable and Common Object
+ File Format Specification_, section 5.5.3.
+ Create a symbol representing the alternate value.
+ coff_frob_symbol will set the value of this symbol from
+ the value of the weak symbol itself. */
+ 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 ()
{
- /* 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;
+#ifndef OBJ_XCOFF
static symbolS *coff_last_bf;
+#endif
void
coff_frob_symbol (symp, punt)
if (!block_stack)
block_stack = stack_init (512, sizeof (symbolS*));
- 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_GET_STORAGE_CLASS (symp) == C_NT_WEAK
+ && ! S_IS_WEAK (symp)
+ && weak_is_altname (S_GET_NAME (symp)))
+ {
+ /* This is a weak alternate symbol. All processing of
+ PECOFFweak symbols is done here, through the alternate. */
+ symbolS *weakp = symbol_find (weak_altname2name (S_GET_NAME (symp)));
+
+ assert (weakp);
+ assert (S_GET_NUMBER_AUXILIARY (weakp) == 1);
+
+ if (symbol_equated_p (weakp))
+ {
+ /* The weak symbol has an alternate specified; symp is unneeded. */
+ 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
+ {
+ /* The weak symbol has been assigned an alternate value.
+ Copy this value to symp, and set symp as weakp's alternate. */
+ 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))
+ {
+ /* This is a defined weak symbol. Copy value information
+ from the weak symbol itself to the alternate symbol. */
+ 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
+ {
+ /* This is an undefined weak symbol.
+ Define the alternate symbol to zero. */
+ 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 /* TE_PE */
+ if (S_IS_WEAK (symp))
+ S_SET_STORAGE_CLASS (symp, C_WEAKEXT);
+#endif /* TE_PE */
if (!S_IS_DEFINED (symp)
&& !S_IS_WEAK (symp)
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);
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))
if (SF_GET_FUNCTION (symp))
symbol_get_bfdsym (symp)->flags |= BSF_FUNCTION;
- /* more ... */
+ /* more ... */
}
/* Double check weak symbols. */
order to call SA_SET_SYM_ENDNDX correctly. */
if (! symbol_used_in_reloc_p (symp)
&& ((symbol_get_bfdsym (symp)->flags & BSF_SECTION_SYM) != 0
- || (! S_IS_EXTERNAL (symp)
+ || (! (S_IS_EXTERNAL (symp) || S_IS_WEAK (symp))
&& ! symbol_get_tc (symp)->output
&& S_GET_STORAGE_CLASS (symp) != C_FILE)))
*punt = 1;
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;
}
-
+#endif
if (coffsymbol (symbol_get_bfdsym (symp))->lineno)
{
int i;
fixp = fixp->fx_next;
}
}
- if (bfd_get_section_size_before_reloc (sec) == 0
+ if (bfd_get_section_size (sec) == 0
&& nrelocs == 0
&& nlnno == 0
&& sec != text_section
bfd_map_over_sections (stdoutput, coff_adjust_section_syms, (char*) 0);
}
-/*
- * implement the .section pseudo op:
- * .section name {, "flags"}
- * ^ ^
- * | +--- optional flags: 'b' for bss
- * | 'i' for info
- * +-- section name 'l' for lib
- * 'n' for noload
- * 'o' for over
- * 'w' for data
- * '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.
- */
+/* Implement the .section pseudo op:
+ .section name {, "flags"}
+ ^ ^
+ | +--- optional flags: 'b' for bss
+ | 'i' for info
+ +-- section name 'l' for lib
+ 'n' for noload
+ 'o' for over
+ 'w' for data
+ '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.
+
+ Note the 'a' flag is silently ignored. This allows the same
+ .section directive to be parsed in both ELF and COFF formats. */
void
obj_coff_section (ignore)
char c;
char *name;
unsigned int exp;
- flagword flags;
+ flagword flags, oldflags;
asection *sec;
if (flag_mri)
SKIP_WHITESPACE ();
exp = 0;
- flags = SEC_LOAD;
+ flags = SEC_NO_FLAGS;
if (*input_line_pointer == ',')
{
switch (*input_line_pointer)
{
case 'b': flags |= SEC_ALLOC; flags &=~ SEC_LOAD; break;
- case 'n': flags &=~ SEC_LOAD; break;
+ case 'n': flags &=~ SEC_LOAD; flags |= SEC_NEVER_LOAD; break;
+
+ case 's': flags |= SEC_SHARED; /* fall through */
case 'd': flags |= SEC_DATA | SEC_LOAD; /* fall through */
case 'w': flags &=~ SEC_READONLY; break;
+
+ case 'a': break; /* For compatibility with ELF. */
case 'x': flags |= SEC_CODE | SEC_LOAD; break;
- case 'r': flags |= SEC_READONLY; break;
- case 's': flags |= SEC_SHARED; break;
+ case 'r': flags |= SEC_DATA | SEC_LOAD | SEC_READONLY; 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)
{
- flagword oldflags;
+ /* 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;
- oldflags = bfd_get_section_flags (stdoutput, sec);
- oldflags &= SEC_LINK_ONCE | SEC_LINK_DUPLICATES;
- flags |= oldflags;
+#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 ()));
}
+ 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 ();
}
{
if (symbol_rootP == NULL
|| S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE)
- c_dot_file_symbol ("fake");
+ c_dot_file_symbol ("fake", 0);
}
void
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);
+ section alignment, then skip this step, as TICOFF does. */
+ size = bfd_get_section_size (sec);
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
strsec = sec;
sec = subseg_get (STAB_SECTION_NAME, 0);
/* size is already rounded up, since other section will be listed first */
- size = bfd_get_section_size_before_reloc (strsec);
+ size = bfd_get_section_size (strsec);
- n_entries = bfd_get_section_size_before_reloc (sec) / 12 - 1;
+ n_entries = bfd_get_section_size (sec) / 12 - 1;
/* Find first non-empty frag. It should be large enough. */
fragp = seg_info (sec)->frchainP->frch_root;
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);
+ 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);
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"
#include "libcoff.h"
-#ifdef TE_PE
-#include "coff/pe.h"
-#endif
-
/* The NOP_OPCODE is for the alignment fill value. Fill with nop so
that we can stick sections together without causing trouble. */
#ifndef NOP_OPCODE
int function_lineoff = -1; /* Offset in line#s where the last function
started (the odd entry for line #0) */
-/* structure used to keep the filenames which
+/* Structure used to keep the filenames which
are too long around so that we can stick them
- into the string table */
-struct filename_list
+ into the string table. */
+struct filename_list
{
char *filename;
struct filename_list *next;
/* Add 4 to the real value to get the index and compensate the
negatives. This vector is used by S_GET_SEGMENT to turn a coff
- section number into a segment number
-*/
-static symbolS *previous_file_symbol;
-void c_symbol_merge ();
-static int line_base;
+ section number into a segment number. */
-symbolS *c_section_symbol ();
bfd *abfd;
+static symbolS *previous_file_symbol;
+static int line_base;
-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 adjust_stab_section PARAMS ((bfd *abfd, segT seg));
-
+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));
-void obj_coff_section 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));
+
+
/* When not using BFD_ASSEMBLER, we permit up to 40 sections.
#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;
return (new_address - address);
}
-
segT
s_get_segment (x)
symbolS * x;
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 PARAMS ((bfd *, unsigned int));
+
+/* 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 ATTRIBUTE_UNUSED;
unsigned int idx;
{
-
unsigned int size = 0;
fragS *frag = segment_info[idx].frchainP->frch_root;
+
while (frag)
{
size = frag->fr_address;
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;
unsigned int nrelocs;
fixS *fixup_ptr;
- /* Count the relocations */
+ /* Count the relocations. */
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))
{
-#ifdef TC_A29K
+#if defined(TC_A29K) || defined(TC_OR32)
if (fixup_ptr->fx_r_type == RELOC_CONSTH)
nrelocs += 2;
else
static int compare_external_relocs PARAMS ((const PTR, const PTR));
-/* AUX's ld expects relocations to be sorted */
+/* AUX's ld expects relocations to be sorted. */
+
static int
compare_external_relocs (x, y)
const PTR x;
#endif
-/* output all the relocations for a section */
+/* Output all the relocations for a section. */
+
void
do_relocs_for (abfd, h, file_cursor)
bfd * abfd;
{
struct internal_reloc intr;
- /* Only output some of the relocations */
+ /* Only output some of the relocations. */
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;
/* 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;
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;
- }
+ intr.r_symndx = dot->sy_number;
else
- {
- intr.r_symndx = symbol_ptr->sy_number;
- }
-
+ intr.r_symndx = symbol_ptr->sy_number;
}
else
- {
- intr.r_symndx = -1;
- }
+ intr.r_symndx = -1;
#endif
-
(void) bfd_coff_swap_reloc_out (abfd, &intr, ext_ptr);
ext_ptr++;
-
#if defined(TC_A29K)
-
/* The 29k has a special kludge for the high 16 bit
- reloc. Two relocations are emited, R_IHIHALF,
+ reloc. Two relocations are emitted, R_IHIHALF,
and R_IHCONST. The second one doesn't contain a
symbol, but uses the value for offset. */
-
if (intr.r_type == R_IHIHALF)
{
- /* now emit the second bit */
+ /* Now emit the second bit. */
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)
+ /* The or32 has a special kludge for the high 16 bit
+ reloc. Two relocations are emitted, R_IHIHALF,
+ and R_IHCONST. The second one doesn't contain a
+ symbol, but uses the value for offset. */
+ if (intr.r_type == R_IHIHALF)
+ {
+ /* Now emit the second bit. */
+ 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
- /* Sort the reloc table */
+ /* Sort the reloc table. */
qsort ((PTR) external_reloc_vec, nrelocs,
sizeof (struct external_reloc), compare_external_relocs);
#endif
-
- /* Write out the reloc table */
- bfd_write ((PTR) external_reloc_vec, 1, external_reloc_size,
- abfd);
+ /* Write out the reloc table. */
+ bfd_bwrite ((PTR) external_reloc_vec,
+ (bfd_size_type) external_reloc_size, abfd);
free (external_reloc_vec);
/* Fill in section header info. */
}
else
{
- /* No relocs */
+ /* No relocs. */
segment_info[idx].scnhdr.s_relptr = 0;
}
}
}
- /* Set relocation_size field in file headers */
+
+ /* Set relocation_size field in file headers. */
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 positions. */
-/* 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 ATTRIBUTE_UNUSED;
unsigned long *file_cursor;
{
-
unsigned int i;
unsigned int paddr = 0;
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;
COFF_NOLOAD_PROBLEM, and have only one test here. */
#ifndef TC_I386
#ifndef TC_A29K
+#ifndef TC_OR32
#ifndef COFF_NOLOAD_PROBLEM
/* Apparently the SVR3 linker (and exec syscall) and UDI
mondfe progrem are confused by noload sections. */
s->s_flags |= STYP_NOLOAD;
#endif
#endif
+#endif
#endif
}
else if (strcmp (s->s_name, ".lit") == 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);
}
}
-/* Coff file generation & utilities */
+/* Coff file generation & utilities. */
static void
coff_header_append (abfd, h)
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++)
{
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_write (buffer, size, 1, abfd);
+ bfd_bwrite (buffer, (bfd_size_type) size, abfd);
}
}
}
-
char *
symbol_to_chars (abfd, where, symbolP)
bfd * abfd;
unsigned int i;
valueT val;
- /* Turn any symbols with register attributes into abs symbols */
+ /* Turn any symbols with register attributes into abs symbols. */
if (S_GET_SEGMENT (symbolP) == reg_section)
- {
- S_SET_SEGMENT (symbolP, absolute_section);
- }
- /* At the same time, relocate all symbols to their output value */
+ S_SET_SEGMENT (symbolP, absolute_section);
+ /* At the same time, relocate all symbols to their output value. */
#ifndef TE_PE
val = (segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_paddr
+ S_GET_VALUE (symbolP));
S_GET_STORAGE_CLASS (symbolP),
i, numaux, where);
}
- return where;
+ return where;
}
void
coff_obj_symbol_new_hook (symbolP)
symbolS *symbolP;
{
- char underscore = 0; /* Symbol has leading _ */
+ char underscore = 0; /* Symbol has leading _ */
- /* Effective symbol */
- /* Store the pointer in the offset. */
+ /* Effective symbol. */
+ /* Store the pointer in the offset. */
S_SET_ZEROES (symbolP, 0L);
S_SET_DATA_TYPE (symbolP, T_NULL);
S_SET_STORAGE_CLASS (symbolP, 0);
S_SET_NUMBER_AUXILIARY (symbolP, 0);
- /* Additional information */
+ /* Additional information. */
symbolP->sy_symbol.ost_flags = 0;
- /* Auxiliary entries */
+ /* Auxiliary entries. */
memset ((char *) &symbolP->sy_symbol.ost_auxent[0], 0, AUXESZ);
if (S_IS_STRING (symbolP))
SF_SET_LOCAL (symbolP);
}
-/*
- * Handle .ln directives.
- */
+/* Handle .ln directives. */
static void
obj_coff_ln (appline)
if (! appline && def_symbol_in_progress != NULL)
{
+ /* Wrong context. */
as_warn (_(".ln pseudo-op inside .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
- } /* wrong context */
+ }
l = get_absolute_expression ();
c_line_new (0, frag_now_fix (), l, frag_now);
demand_empty_rest_of_line ();
}
-/*
- * def()
- *
- * Handle .def directives.
- *
- * One might ask : why can't we symbol_new if the symbol does not
- * already exist and fill it with debug information. Because of
- * the C_EFCN special symbol. It would clobber the value of the
- * function symbol before we have a chance to notice that it is
- * a C_EFCN. And a second reason is that the code is more clear this
- * way. (at least I think it is :-).
- *
- */
+/* Handle .def directives.
+
+ One might ask : why can't we symbol_new if the symbol does not
+ already exist and fill it with debug information. Because of
+ the C_EFCN special symbol. It would clobber the value of the
+ function symbol before we have a chance to notice that it is
+ a C_EFCN. And a second reason is that the code is more clear this
+ way. (at least I think it is :-). */
#define SKIP_SEMI_COLON() while (*input_line_pointer++ != ';')
#define SKIP_WHITESPACES() while (*input_line_pointer == ' ' || \
obj_coff_def (what)
int what ATTRIBUTE_UNUSED;
{
- char name_end; /* Char after the end of name */
- char *symbol_name; /* Name of the debug symbol */
- char *symbol_name_copy; /* Temporary copy of the name */
+ char name_end; /* Char after the end of name. */
+ char *symbol_name; /* Name of the debug symbol. */
+ char *symbol_name_copy; /* Temporary copy of the name. */
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;
- } /* if not inside .def/.endef */
+ }
SKIP_WHITESPACES ();
symbol_name_copy = tc_canonicalize_symbol_name (symbol_name_copy);
#endif
- /* Initialize the new symbol */
+ /* Initialize the new symbol. */
#ifdef STRIP_UNDERSCORE
S_SET_NAME (def_symbol_in_progress, (*symbol_name_copy == '_'
? symbol_name_copy + 1
unsigned int dim_index;
-
static void
obj_coff_endef (ignore)
int ignore ATTRIBUTE_UNUSED;
as_warn (_(".endef pseudo-op used outside of .def/.endef: ignored."));
demand_empty_rest_of_line ();
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:
case C_ENTAG:
case C_UNTAG:
SF_SET_TAG (def_symbol_in_progress);
- /* intentional fallthrough */
+ /* Intentional fallthrough. */
+
case C_FILE:
case C_TPDEF:
SF_SET_DEBUG (def_symbol_in_progress);
break;
case C_EFCN:
- SF_SET_LOCAL (def_symbol_in_progress); /* Do not emit this symbol. */
- /* intentional fallthrough */
+ /* Do not emit this symbol. */
+ SF_SET_LOCAL (def_symbol_in_progress);
+ /* Intentional fallthrough. */
+
case C_BLOCK:
- SF_SET_PROCESS (def_symbol_in_progress); /* Will need processing before writing */
- /* intentional fallthrough */
+ /* Will need processing before writing. */
+ SF_SET_PROCESS (def_symbol_in_progress);
+ /* Intentional fallthrough. */
+
case C_FCN:
S_SET_SEGMENT (def_symbol_in_progress, SEG_E0);
if (strcmp (S_GET_NAME (def_symbol_in_progress), ".bf") == 0)
{ /* .bf */
if (function_lineoff < 0)
- {
- fprintf (stderr, _("`.bf' symbol without preceding function\n"));
- } /* missing function symbol */
+ 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_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;
#endif
case C_STAT:
case C_LABEL:
- /* Valid but set somewhere else (s_comm, s_lcomm, colon) */
+ /* Valid but set somewhere else (s_comm, s_lcomm, colon). */
break;
case C_USTATIC:
case C_ULABEL:
as_warn (_("unexpected storage class %d"), S_GET_STORAGE_CLASS (def_symbol_in_progress));
break;
- } /* switch on storage class */
+ }
/* 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
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. */
- /* If it already is at the end of the symbol list, do nothing */
+ 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)
{
symbol_remove (def_symbol_in_progress, &symbol_rootP,
&symbol_lastP);
symbol_append (def_symbol_in_progress, symbol_lastP,
&symbol_rootP, &symbol_lastP);
- } /* if not already in place */
- } /* if function */
- } /* normal or mergable */
+ }
+ }
+ }
if (SF_GET_TAG (def_symbol_in_progress))
{
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 */
+ }
+ }
def_symbol_in_progress = NULL;
demand_empty_rest_of_line ();
as_warn (_(".dim pseudo-op used outside of .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
- } /* if not inside .def/.endef */
+ }
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
default:
as_warn (_("badly formed .dim directive ignored"));
- /* intentional fallthrough */
+ /* Intentional fallthrough. */
+
case '\n':
case ';':
dim_index = DIMNUM;
start of the containing function. */
if (!strcmp (".bf", name))
{
-#if 0 /* XXX Can we ever have line numbers going backwards? */
- if (this_base > line_base)
-#endif
- {
- line_base = this_base;
- }
+ line_base = this_base;
#ifndef NO_LISTING
{
extern int listing;
if (listing)
- {
- listing_source_line ((unsigned int) line_base);
- }
+ listing_source_line ((unsigned int) line_base);
}
#endif
}
as_warn (_(".size pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
- } /* if not inside .def/.endef */
+ }
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
SA_SET_SYM_SIZE (def_symbol_in_progress, get_absolute_expression ());
as_warn (_(".scl pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
- } /* if not inside .def/.endef */
+ }
S_SET_STORAGE_CLASS (def_symbol_in_progress, get_absolute_expression ());
demand_empty_rest_of_line ();
#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)
- {
- as_warn (_("tag not found for .tag %s"), symbol_name);
- } /* not defined */
+ as_warn (_("tag not found for .tag %s"), symbol_name);
SF_SET_TAGGED (def_symbol_in_progress);
*input_line_pointer = name_end;
as_warn (_(".type pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
- } /* if not inside .def/.endef */
+ }
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);
- } /* is a function */
+ SF_SET_FUNCTION (def_symbol_in_progress);
demand_empty_rest_of_line ();
}
as_warn (_(".val pseudo-op used outside of .def/.endef ignored."));
demand_empty_rest_of_line ();
return;
- } /* if not inside .def/.endef */
+ }
if (is_name_beginner (*input_line_pointer))
{
{
def_symbol_in_progress->sy_frag = frag_now;
S_SET_VALUE (def_symbol_in_progress, (valueT) frag_now_fix ());
- /* If the .val is != from the .def (e.g. statics) */
+ /* If the .val is != from the .def (e.g. statics). */
}
else if (strcmp (S_GET_NAME (def_symbol_in_progress), symbol_name))
{
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);
}
/* This function runs through the symbol table and puts all the
- externals onto another chain */
+ externals onto another chain. */
/* The chain of globals. */
symbolS *symbol_globalP;
symbolS *symbol_global_lastP;
-/* The chain of externals */
+/* The chain of externals. */
symbolS *symbol_externP;
symbolS *symbol_extern_lastP;
if (!SF_GET_DEBUG (symbolP))
{
- /* Debug symbols do not need all this rubbish */
+ /* 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. Do NOT do the opposite (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 */
+ /* Replace the current symbol by the real one. */
/* The symbols will never be the last or the first
because : 1st symbol is .file and 3 last symbols are
- .text, .data, .bss */
+ .text, .data, .bss. */
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 not local but dup'd */
+ }
if (flag_readonly_data_in_text && (S_GET_SEGMENT (symbolP) == SEG_E1))
- {
- S_SET_SEGMENT (symbolP, SEG_E0);
- } /* push data into text */
+ S_SET_SEGMENT (symbolP, SEG_E0);
- resolve_symbol_value (symbolP, 1);
+ resolve_symbol_value (symbolP);
if (S_GET_STORAGE_CLASS (symbolP) == C_NULL)
{
{
S_SET_EXTERNAL (symbolP);
}
+
else if (S_GET_SEGMENT (symbolP) == SEG_E0)
- {
- S_SET_STORAGE_CLASS (symbolP, C_LABEL);
- }
+ S_SET_STORAGE_CLASS (symbolP, C_LABEL);
+
else
- {
- S_SET_STORAGE_CLASS (symbolP, C_STAT);
- }
+ S_SET_STORAGE_CLASS (symbolP, C_STAT);
}
- /* Mainly to speed up if not -g */
+ /* 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"))
stack_push (block_stack, (char *) &symbolP);
else
- { /* .eb */
- register symbolS *begin_symbolP;
+ {
+ /* .eb */
+ symbolS *begin_symbolP;
+
begin_symbolP = *(symbolS **) stack_pop (block_stack);
if (begin_symbolP == (symbolS *) 0)
as_warn (_("mismatched .eb"));
/* 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))
{
last_functionP = symbolP;
if (S_GET_NUMBER_AUXILIARY (symbolP) < 1)
- {
- S_SET_NUMBER_AUXILIARY (symbolP, 1);
- } /* make it at least 1 */
-
- /* 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,
- sizeof (symbolP->sy_symbol.ost_auxent[0].x_sym.x_fcnary.x_ary.x_dimen));
-#endif
+ S_SET_NUMBER_AUXILIARY (symbolP, 1);
}
if (S_GET_STORAGE_CLASS (symbolP) == C_FCN)
{
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;
}
else if (S_GET_STORAGE_CLASS (symbolP) == C_EOS)
{
- /* +2 take in account the current symbol */
+ /* +2 take in account the current symbol. */
SA_SET_SYM_ENDNDX (last_tagP, symbol_number + 2);
}
else if (S_GET_STORAGE_CLASS (symbolP) == C_FILE)
{
/* If the filename was too long to fit in the
- auxent, put it in the string table */
+ auxent, put it in the string table. */
if (SA_GET_FILE_FNAME_ZEROS (symbolP) == 0
&& SA_GET_FILE_FNAME_OFFSET (symbolP) != 0)
{
{
S_SET_VALUE (symbolP, last_file_symno);
last_file_symno = symbol_number;
- } /* no one points at the first .file symbol */
- } /* if debug or tag or eos or file */
+ }
+ }
#ifdef tc_frob_coff_symbol
tc_frob_coff_symbol (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))
{
- /* remove C_EFCN and LOCAL (L...) symbols */
- /* next pointer remains valid */
+ /* Remove C_EFCN and LOCAL (L...) symbols. */
+ /* Next pointer remains valid. */
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
}
#endif
|| S_GET_STORAGE_CLASS (symbolP) == C_WEAKEXT))
{
- /* if external, Remove from the list */
+ /* If external, Remove from the list. */
symbolS *hold = symbol_previous (symbolP);
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
/* The O'Reilly COFF book says that defined global symbols
come at the end of the symbol table, just before
undefined global symbols. */
-
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
symbol_clear_list_pointers (symbolP);
symbol_append (symbolP, symbol_global_lastP, &symbol_globalP,
else
{
symbolP->sy_name_offset = 0;
- } /* fix "long" names */
+ }
symbolP->sy_number = symbol_number;
symbol_number += 1 + S_GET_NUMBER_AUXILIARY (symbolP);
- } /* if local symbol */
- } /* traverse the symbol list */
- return symbol_number;
+ }
+ }
+ return symbol_number;
}
-
static unsigned int
glue_symbols (head, tail)
symbolS **head;
{
symbolS *tmp = *head;
- /* append */
+ /* Append. */
symbol_remove (tmp, head, tail);
symbol_append (tmp, symbol_lastP, &symbol_rootP, &symbol_lastP);
- /* and process */
+ /* Process. */
if (SF_GET_STRING (tmp))
{
tmp->sy_name_offset = string_byte_count;
}
else
{
+ /* Fix "long" names. */
tmp->sy_name_offset = 0;
- } /* fix "long" names */
+ }
tmp->sy_number = symbol_number;
symbol_number += 1 + S_GET_NUMBER_AUXILIARY (tmp);
- } /* append the entire extern chain */
+ }
return symbol_number;
}
return symbol_number;
}
+
static void
crawl_symbols (h, abfd)
object_headers *h;
{
unsigned int i;
- /* Initialize the stack used to keep track of the matching .bb .be */
+ /* Initialize the stack used to keep track of the matching .bb .be. */
block_stack = stack_init (512, sizeof (symbolS *));
/* The symbol list should be ordered according to the following sequence
- * order :
- * . .file symbol
- * . debug entries for functions
- * . fake symbols for the sections, including .text .data and .bss
- * . defined symbols
- * . undefined symbols
- * But this is not mandatory. The only important point is to put the
- * undefined symbols at the end of the list.
- */
-
- /* Is there a .file symbol ? If not insert one at the beginning. */
+ order :
+ . .file symbol
+ . debug entries for functions
+ . fake symbols for the sections, including .text .data and .bss
+ . defined symbols
+ . undefined symbols
+ But this is not mandatory. The only important point is to put the
+ undefined symbols at the end of the list. */
+
+ /* Is there a .file symbol ? If not insert one at the beginning. */
if (symbol_rootP == NULL
|| S_GET_STORAGE_CLASS (symbol_rootP) != C_FILE)
- {
- c_dot_file_symbol ("fake");
- }
-
- /*
- * Build up static symbols for the sections, they are filled in later
- */
+ c_dot_file_symbol ("fake", 0);
+ /* 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[i].dot = c_section_symbol ((char *) segment_info[i].name,
i - SEG_E0 + 1);
- /* Take all the externals out and put them into another chain */
+ /* Take all the externals out and put them into another chain. */
H_SET_SYMBOL_TABLE_SIZE (h, yank_symbols ());
- /* Take the externals and glue them onto the end.*/
+ /* Take the externals and glue them onto the end. */
H_SET_SYMBOL_TABLE_SIZE (h,
(H_GET_SYMBOL_COUNT (h)
+ glue_symbols (&symbol_globalP,
know (symbol_extern_lastP == NULL);
}
-/*
- * Find strings by crawling along symbol table chain.
- */
+/* Find strings by crawling along symbol table chain. */
void
w_strings (where)
symbolS *symbolP;
struct filename_list *filename_list_scan = filename_list_head;
- /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK */
+ /* Gotta do md_ byte-ordering stuff for string_byte_count first - KWK. */
md_number_to_chars (where, (valueT) string_byte_count, 4);
where += 4;
{
segment_info_type *s = segment_info + idx;
-
if (s->scnhdr.s_nlnno != 0)
{
struct lineno_list *line_ptr;
struct external_lineno *dst = buffer;
/* Run through the table we've built and turn it into its external
- form, take this chance to remove duplicates */
+ form, take this chance to remove duplicates. */
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)
{
- /* 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;
- }
-
+ 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 */
+ list, as if the seg 0 was extra long. */
static void
remove_subsegs ()
unsigned long machine;
int coff_flags;
+
+#ifndef SUB_SEGMENT_ALIGN
+#ifdef HANDLE_ALIGN
+/* The last subsegment gets an alignment corresponding to the alignment
+ of the section. This allows proper nop-filling at the end of
+ code-bearing sections. */
+#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 ()
{
unsigned int addr;
abfd = bfd_openw (out_file_name, TARGET_FORMAT);
-
if (abfd == 0)
{
as_perror (_("FATAL: Can't create %s"), out_file_name);
string_byte_count = 4;
+ /* Run through all the sub-segments and align them up. Also
+ close any open frags. We tack a .fill onto the end of the
+ frag chain so that any .align's size can be worked by looking
+ at the next frag. */
for (frchain_ptr = frchain_root;
frchain_ptr != (struct frchain *) NULL;
frchain_ptr = frchain_ptr->frch_next)
{
- /* Run through all the sub-segments and align them up. Also
- close any open frags. We tack a .fill onto the end of the
- frag chain so that any .align's size can be worked by looking
- at the next frag. */
+ int alignment;
subseg_set (frchain_ptr->frch_seg, frchain_ptr->frch_subseg);
-#ifndef SUB_SEGMENT_ALIGN
-#define SUB_SEGMENT_ALIGN(SEG) 1
-#endif
+ alignment = SUB_SEGMENT_ALIGN (now_seg, frchain_ptr);
+
#ifdef md_do_align
- md_do_align (SUB_SEGMENT_ALIGN (now_seg), (char *) NULL, 0, 0,
- alignment_done);
+ md_do_align (alignment, (char *) NULL, 0, 0, alignment_done);
#endif
- frag_align (SUB_SEGMENT_ALIGN (now_seg),
- subseg_text_p (now_seg) ? NOP_OPCODE : 0,
- 0);
+ 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);
- }
+ 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);
H_SET_BSS_SIZE (&headers, size);
}
- /* Turn the gas native symbol table shape into a coff symbol table */
+ /* Turn the gas native symbol table shape into a coff symbol table. */
crawl_symbols (&headers, abfd);
if (string_byte_count == 4)
}
/* 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;
bfd_seek (abfd, (file_ptr) file_cursor, 0);
- /* Plant the data */
-
+ /* Plant the data. */
fill_section (abfd, &headers, &file_cursor);
do_relocs_for (abfd, &headers, &file_cursor);
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.. */
- if (bfd_close_all_done (abfd) == false)
- as_fatal (_("Can't close %s: %s"), out_file_name,
- bfd_errmsg (bfd_get_error ()));
-#else
{
extern bfd *stdoutput;
stdoutput = abfd;
}
-#endif
-
}
/* Add a new segment. This is called from subseg_new via the
return (segT) i;
}
-/*
- * implement the .section pseudo op:
- * .section name {, "flags"}
- * ^ ^
- * | +--- optional flags: 'b' for bss
- * | 'i' for info
- * +-- section name 'l' for lib
- * 'n' for noload
- * 'o' for over
- * 'w' for data
- * 'd' (apparently m88k for data)
- * 'x' for text
- * 'r' for read-only data
- * But if the argument is not a quoted string, treat it as a
- * subsegment number.
- */
+/* Implement the .section pseudo op:
+ .section name {, "flags"}
+ ^ ^
+ | +--- optional flags: 'b' for bss
+ | 'i' for info
+ +-- section name 'l' for lib
+ 'n' for noload
+ 'o' for over
+ 'w' for data
+ 'd' (apparently m88k for data)
+ 'x' for text
+ 'r' for read-only data
+ But if the argument is not a quoted string, treat it as a
+ subsegment number. */
void
obj_coff_section (ignore)
int ignore ATTRIBUTE_UNUSED;
{
- /* Strip out the section name */
+ /* Strip out the section name. */
char *section_name, *name;
char c;
unsigned int exp;
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;
obj_coff_ident (ignore)
int ignore ATTRIBUTE_UNUSED;
{
- segT current_seg = now_seg; /* save current seg */
+ segT current_seg = now_seg; /* Save current seg. */
subsegT current_subseg = now_subseg;
- subseg_new (".comment", 0); /* .comment seg */
- stringer (1); /* read string */
- subseg_set (current_seg, current_subseg); /* restore current seg */
+
+ subseg_new (".comment", 0); /* .comment seg. */
+ stringer (1); /* Read string. */
+ subseg_set (current_seg, current_subseg); /* Restore current seg. */
}
void
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));
- } /* take the most we have */
+ 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));
- } /* Move all the auxiliary information */
+ memcpy ((char *) &normal->sy_symbol.ost_auxent[0],
+ (char *) &debug->sy_symbol.ost_auxent[0],
+ (unsigned int) (S_GET_NUMBER_AUXILIARY (debug) * AUXESZ));
- /* Move the debug flags. */
+ /* Move the debug flags. */
SF_SET_DEBUG_FIELD (normal, SF_GET_DEBUG_FIELD (debug));
-} /* c_symbol_merge() */
+}
static int
c_line_new (symbol, paddr, line_number, frag)
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;
- }
+ s->lineno_list_head = new_line;
else
- {
- s->lineno_list_tail->next = new_line;
- }
+ s->lineno_list_tail->next = new_line;
+
s->lineno_list_tail = new_line;
return LINESZ * s->scnhdr.s_nlnno++;
}
void
-c_dot_file_symbol (filename)
- char *filename;
+c_dot_file_symbol (const char *filename, int appfile ATTRIBUTE_UNUSED)
{
symbolS *symbolP;
/* Filename is too long to fit into an auxent,
we stick it into the string table instead. We keep
a linked list of the filenames we find so we can emit
- them later.*/
+ them later. */
struct filename_list *f = ((struct filename_list *)
xmalloc (sizeof (struct filename_list)));
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);
}
{
extern int listing;
if (listing)
- {
- listing_source_file (filename);
- }
-
+ listing_source_file (filename);
}
-
#endif
SF_SET_DEBUG (symbolP);
S_SET_VALUE (symbolP, (valueT) previous_file_symbol);
previous_file_symbol = symbolP;
- /* Make sure that the symbol is first on the symbol chain */
+ /* Make sure that the symbol is first on the symbol chain. */
if (symbol_rootP != symbolP)
{
symbol_remove (symbolP, &symbol_rootP, &symbol_lastP);
symbol_insert (symbolP, symbol_rootP, &symbol_rootP, &symbol_lastP);
}
-} /* c_dot_file_symbol() */
+}
-/*
- * Build a 'section static' symbol.
- */
+/* Build a 'section static' symbol. */
symbolS *
c_section_symbol (name, idx)
#endif /* TE_PE */
return symbolP;
-} /* c_section_symbol() */
+}
static void
w_symbols (abfd, where, symbol_rootP)
symbolS *symbolP;
unsigned int i;
- /* First fill in those values we have only just worked out */
+ /* First fill in those values we have only just worked out. */
for (i = SEG_E0; i < SEG_LAST; i++)
{
symbolP = segment_info[i].dot;
}
}
- /*
- * Emit all symbols left in the symbol chain.
- */
+ /* Emit all symbols left in the symbol chain. */
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. */
- register char *temp;
+ to the string in memory but must be a file offset. */
+ char *temp;
/* We can't fix the lnnoptr field in yank_symbols with the other
adjustments, because we have to wait until we know where they
go in the file. */
if (SF_GET_ADJ_LNNOPTR (symbolP))
- {
- SA_GET_SYM_LNNOPTR (symbolP) +=
- segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_lnnoptr;
- }
+ SA_GET_SYM_LNNOPTR (symbolP) +=
+ segment_info[S_GET_SEGMENT (symbolP)].scnhdr.s_lnnoptr;
tc_coff_symbol_emit_hook (symbolP);
where = symbol_to_chars (abfd, where, symbolP);
S_SET_NAME (symbolP, temp);
}
-
-} /* w_symbols() */
+}
static void
obj_coff_lcomm (ignore)
int ignore ATTRIBUTE_UNUSED;
{
- s_lcomm(0);
+ s_lcomm (0);
return;
-#if 0
- char *name;
- char c;
- int temp;
- char *p;
-
- symbolS *symbolP;
-
- name = input_line_pointer;
-
- c = get_symbol_end ();
- p = input_line_pointer;
- *p = c;
- SKIP_WHITESPACE ();
- if (*input_line_pointer != ',')
- {
- as_bad (_("Expected comma after name"));
- ignore_rest_of_line ();
- return;
- }
- if (*input_line_pointer == '\n')
- {
- as_bad (_("Missing size expression"));
- return;
- }
- input_line_pointer++;
- if ((temp = get_absolute_expression ()) < 0)
- {
- as_warn (_("lcomm length (%d.) <0! Ignored."), temp);
- ignore_rest_of_line ();
- return;
- }
- *p = 0;
-
- symbolP = symbol_find_or_make(name);
-
- if (S_GET_SEGMENT(symbolP) == SEG_UNKNOWN &&
- S_GET_VALUE(symbolP) == 0)
- {
- if (! need_pass_2)
- {
- char *p;
- segT current_seg = now_seg; /* save current seg */
- subsegT current_subseg = now_subseg;
-
- subseg_set (SEG_E2, 1);
- symbolP->sy_frag = frag_now;
- p = frag_var(rs_org, 1, 1, (relax_substateT)0, symbolP,
- (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);
- }
- }
- else
- as_bad(_("Symbol %s already defined"), name);
-
- demand_empty_rest_of_line();
-#endif
}
static void
fixup_mdeps (frags, h, this_segment)
- fragS * frags;
- object_headers * h;
+ 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);
segment_info_type * segP;
segT this_segment_type;
{
- register fixS * fixP;
- register symbolS *add_symbolP;
- register symbolS *sub_symbolP;
+ fixS * fixP;
+ symbolS *add_symbolP;
+ symbolS *sub_symbolP;
long add_number;
- register int size;
- register char *place;
- register long where;
- register char pcrel;
- register fragS *fragP;
- register segT add_symbol_segment = absolute_section;
+ 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)
{
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)
}
if (add_symbolP)
- {
- add_symbol_segment = S_GET_SEGMENT (add_symbolP);
- } /* if there is an addend */
+ add_symbol_segment = S_GET_SEGMENT (add_symbolP);
if (sub_symbolP)
{
} /* not absolute */
/* if sub_symbol is in the same segment that add_symbol
- and add_symbol is either in DATA, TEXT, BSS or ABSOLUTE */
+ and add_symbol is either in DATA, TEXT, BSS or ABSOLUTE. */
}
else if (S_GET_SEGMENT (sub_symbolP) == add_symbol_segment
&& SEG_NORMAL (add_symbol_segment))
{
/* 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. */
if (fixP->fx_tcbit)
- {
- as_bad_where (fixP->fx_file, fixP->fx_line,
- _("callj to difference of 2 symbols"));
- }
+ as_bad_where (fixP->fx_file, fixP->fx_line,
+ _("callj to difference of 2 symbols"));
#endif /* TC_I960 */
add_number += S_GET_VALUE (add_symbolP) -
S_GET_VALUE (sub_symbolP);
}
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))
- {
- add_number -= S_GET_VALUE (sub_symbolP);
- }
+ add_number -= S_GET_VALUE (sub_symbolP);
+
#ifdef DIFF_EXPR_OK
- else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type
-#if 0 /* Okay for 68k, at least... */
- && !pcrel
-#endif
- )
+ else if (S_GET_SEGMENT (sub_symbolP) == this_segment_type)
{
/* Make it pc-relative. */
add_number += (md_pcrel_from (fixP)
segment_name (S_GET_SEGMENT (sub_symbolP)),
S_GET_NAME (sub_symbolP),
(long) (fragP->fr_address + where));
- } /* if absolute */
+ }
}
- } /* if sub_symbolP */
+ }
if (add_symbolP)
{
if (add_symbol_segment == this_segment_type && pcrel)
{
- /*
- * This fixup was made when the symbol's segment was
- * SEG_UNKNOWN, but it is now in the local segment.
- * So we know how to do the address without relocation.
- */
+ /* This fixup was made when the symbol's segment was
+ SEG_UNKNOWN, but it is now in the local segment.
+ So we know how to do the address without relocation. */
#ifdef TC_I960
/* reloc_callj() may replace a 'call' with a 'calls' or a 'bal',
- * in which cases it modifies *fixP as appropriate. In the case
- * of a 'calls', no further work is required, and *fixP has been
- * set up to make the rest of the code below a no-op.
- */
+ in which cases it modifies *fixP as appropriate. In the case
+ of a 'calls', no further work is required, and *fixP has been
+ set up to make the rest of the code below a no-op. */
reloc_callj (fixP);
#endif /* TC_I960 */
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;
{
case absolute_section:
#ifdef TC_I960
- reloc_callj (fixP); /* See comment about reloc_callj() above*/
+ /* See comment about reloc_callj() above. */
+ reloc_callj (fixP);
#endif /* TC_I960 */
add_number += S_GET_VALUE (add_symbolP);
add_symbolP = NULL;
break;
default:
-
-#if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K)
+#if defined(TC_A29K) || (defined(TE_PE) && defined(TC_I386)) || defined(TC_M88K) || defined(TC_OR32)
/* This really should be handled in the linker, but
backward compatibility forbids. */
add_number += S_GET_VALUE (add_symbolP);
if ((int) fixP->fx_bit_fixP == 13)
{
/* This is a COBR instruction. They have only a
- * 13-bit displacement and are only to be used
- * for local branches: flag as error, don't generate
- * relocation.
- */
+ 13-bit displacement and are only to be used
+ for local branches: flag as error, don't generate
+ relocation. */
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;
- } /* COBR */
+ }
#endif /* TC_I960 */
#if ((defined (TC_I386) || defined (TE_LYNX) || defined (TE_AUX)) && !defined(TE_PE)) || defined (COFF_COMMON_ADDEND)
/* 386 COFF uses a peculiar format in which the
/* 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 */
+ }
+ }
+ }
if (pcrel)
{
-#if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) && !defined(TC_A29K)
+#if !defined(TC_M88K) && !(defined(TE_PE) && defined(TC_I386)) && !defined(TC_A29K) && !defined(TC_OR32)
/* This adjustment is not correct on the m88k, for which the
linker does all the computation. */
add_number -= md_pcrel_from (fixP);
#endif
if (add_symbolP == 0)
- {
- fixP->fx_addsy = &abs_symbol;
- } /* if there's an add_symbol */
+ fixP->fx_addsy = &abs_symbol;
#if defined (TC_I386) || defined (TE_LYNX) || defined (TC_I960) || defined (TC_M68K)
/* On the 386 we must adjust by the segment vaddr as well.
Ian Taylor.
add_number -= segP->scnhdr.s_vaddr;
#endif
- } /* if pcrel */
+ }
-#ifdef MD_APPLY_FIX3
- md_apply_fix3 (fixP, (valueT *) &add_number, this_segment_type);
-#else
- md_apply_fix (fixP, add_number);
-#endif
+ md_apply_fix3 (fixP, (valueT *) & add_number, this_segment_type);
if (!fixP->fx_bit_fixP && ! fixP->fx_no_overflow)
{
(long) add_number,
(unsigned long) (fragP->fr_address + where));
#endif
- } /* not a bit fix */
- } /* 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);
}
/* 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},
{"data", obj_coff_data, 0},
{"lcomm", obj_coff_lcomm, 0},
#else
+ {"weak", obj_coff_weak, 0},
{"optim", s_ignore, 0}, /* For sun386i cc (?) */
#endif
{"version", s_ignore, 0},
{"ABORT", s_abort, 0},
-#ifdef TC_M88K
- /* The m88k uses sdef instead of def. */
+#if defined( TC_M88K ) || defined ( TC_TIC4X )
+ /* The m88k and tic4x uses sdef instead of def. */
{"sdef", obj_coff_def, 0},
#endif
{NULL, NULL, 0} /* end sentinel */
/* 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 (coff_pseudo_table);
}
+static int
+coff_separate_stab_sections ()
+{
+ return 1;
+}
+
const struct format_ops coff_format_ops =
{
bfd_target_coff_flavour,
0, /* dfl_leading_underscore */
1, /* emit_section_symbols */
+ 0, /* begin */
+ c_dot_file_symbol,
coff_frob_symbol,
0, /* frob_file */
+ 0, /* frob_file_before_adjust */
+ 0, /* frob_file_before_fix */
coff_frob_file_after_relocs,
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,
0, /* ecoff_set_ext */