/* ECOFF debugging support.
- Copyright (C) 1993 Free Software Foundation, Inc.
+ Copyright (C) 1993, 1994, 1995, 1996 Free Software Foundation, Inc.
Contributed by Cygnus Support.
This file was put together by Ian Lance Taylor <ian@cygnus.com>. A
good deal of it comes directly from mips-tfile.c, by Michael
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
- along with GAS; see the file COPYING. If not, write to
- the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA. */
+ along with GAS; see the file COPYING. If not, write to the Free
+ Software Foundation, 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
#include "as.h"
typedef struct localsym {
const char *name; /* symbol name */
symbolS *as_sym; /* symbol as seen by gas */
+ bfd_vma addend; /* addend to as_sym value */
struct efdr *file_ptr; /* file pointer */
struct ecoff_proc *proc_ptr; /* proc pointer */
struct localsym *begin_ptr; /* symbol at start of block */
FDR fdr; /* File header to be written out */
FDR *orig_fdr; /* original file header */
char *name; /* filename */
+ int fake; /* whether this is faked .file */
symint_t void_type; /* aux. pointer to 'void' type */
symint_t int_type; /* aux. pointer to 'int' type */
scope_t *cur_scope; /* current nested scopes */
(FDR *)0, /* orig_fdr: original file header pointer */
(char *)0, /* name: pointer to filename */
+ 0, /* fake: whether this is a faked .file */
0, /* void_type: ptr to aux node for void type */
0, /* int_type: ptr to aux node for int type */
(scope_t *)0, /* cur_scope: current scope being processed */
/* Keep track of different sized allocation requests. */
static alloc_info_t alloc_counts[ (int)alloc_type_last ];
\f
+/* Record whether we have seen any debugging information. */
+int ecoff_debugging_seen = 0;
+
/* Various statics. */
static efdr_t *cur_file_ptr = (efdr_t *) 0; /* current file desc. header */
static proc_t *cur_proc_ptr = (proc_t *) 0; /* current procedure header */
static int stabs_seen = 0; /* != 0 if stabs have been seen */
static int current_file_idx;
+static const char *current_stabs_filename;
/* Pseudo symbol to use when putting stabs into the symbol table. */
#ifndef STABS_SYMBOL
shash_t **ret_hash));
static localsym_t *add_ecoff_symbol PARAMS ((const char *str, st_t type,
sc_t storage, symbolS *sym,
- symint_t value,
+ bfd_vma addend, symint_t value,
symint_t indx));
static symint_t add_aux_sym_symint PARAMS ((symint_t aux_word));
static symint_t add_aux_sym_rndx PARAMS ((int file_index,
bt_t basic_type));
static void add_unknown_tag PARAMS ((tag_t *ptag));
static void add_procedure PARAMS ((char *func));
-static void add_file PARAMS ((const char *file_name, int indx));
+static void add_file PARAMS ((const char *file_name, int indx, int fake));
#ifdef ECOFF_DEBUG
static char *sc_to_string PARAMS ((sc_t storage_class));
static char *st_to_string PARAMS ((st_t symbol_type));
ecoff_symbol_new_hook (symbolP)
symbolS *symbolP;
{
- if (cur_file_ptr == (efdr_t *) NULL)
- add_file ((const char *) NULL, 0);
+ /* Make sure that we have a file pointer, but only if we have seen a
+ file. If we haven't seen a file, then this is a probably special
+ symbol created by md_begin which may required special handling at
+ some point. Creating a dummy file with a dummy name is certainly
+ wrong. */
+ if (cur_file_ptr == (efdr_t *) NULL
+ && seen_at_least_1_file ())
+ add_file ((const char *) NULL, 0, 1);
symbolP->ecoff_file = cur_file_ptr;
symbolP->ecoff_symbol = NULL;
symbolP->ecoff_extern_size = 0;
/* Add debugging information for a symbol. */
static localsym_t *
-add_ecoff_symbol (str, type, storage, sym_value, value, indx)
+add_ecoff_symbol (str, type, storage, sym_value, addend, value, indx)
const char *str; /* symbol name */
st_t type; /* symbol type */
sc_t storage; /* storage class */
symbolS *sym_value; /* associated symbol. */
+ bfd_vma addend; /* addend to sym_value. */
symint_t value; /* value of symbol */
symint_t indx; /* index to local/aux. syms */
{
psym->as_sym = sym_value;
if (sym_value != (symbolS *) NULL)
sym_value->ecoff_symbol = psym;
+ psym->addend = addend;
psym->file_ptr = cur_file_ptr;
psym->proc_ptr = cur_proc_ptr;
psym->begin_ptr = (localsym_t *) NULL;
st_Block,
sc_Info,
(symbolS *) NULL,
+ (bfd_vma) 0,
(symint_t) 0,
(symint_t) 0);
st_End,
sc_Info,
(symbolS *) NULL,
+ (bfd_vma) 0,
(symint_t) 0,
(symint_t) 0);
{
register varray_t *vp;
register proc_t *new_proc_ptr;
+ symbolS *sym;
#ifdef ECOFF_DEBUG
if (debug)
new_proc_ptr->pdr.lnLow = -1;
new_proc_ptr->pdr.lnHigh = -1;
+ /* Set the BSF_FUNCTION flag for the symbol. */
+ sym = symbol_find_or_make (func);
+ sym->bsym->flags |= BSF_FUNCTION;
+
/* Push the start of the function. */
new_proc_ptr->sym = add_ecoff_symbol ((const char *) NULL, st_Proc, sc_Text,
- symbol_find_or_make (func),
- (symint_t) 0, (symint_t) 0);
+ sym, (bfd_vma) 0, (symint_t) 0,
+ (symint_t) 0);
++proc_cnt;
where the current file structure lives. */
static void
-add_file (file_name, indx)
+add_file (file_name, indx, fake)
const char *file_name; /* file name */
int indx;
+ int fake;
{
register int first_ch;
register efdr_t *fil_ptr;
as_fatal ("fake .file after real one");
as_where (&file, (unsigned int *) NULL);
file_name = (const char *) file;
- generate_asm_line_stab = 1;
+
+ if (! symbol_table_frozen)
+ generate_asm_lineno = 1;
}
else
- generate_asm_line_stab = 0;
+ generate_asm_lineno = 0;
#ifndef NO_LISTING
if (listing)
listing_source_file (file_name);
#endif
+ current_stabs_filename = file_name;
+
/* If we're creating stabs, then we don't actually make a new FDR.
Instead, we just create a stabs symbol. */
if (stabs_seen)
symbol_new ("L0\001", now_seg,
(valueT) frag_now_fix (),
frag_now),
- 0, ECOFF_MARK_STAB (N_SOL));
+ (bfd_vma) 0, 0, ECOFF_MARK_STAB (N_SOL));
return;
}
first_ch = *file_name;
+ /* ??? This is ifdefed out, because it results in incorrect line number
+ debugging info when multiple .file pseudo-ops are merged into one file
+ descriptor. See for instance ecoff_build_lineno, which will
+ end up setting all file->fdr.* fields multiple times, resulting in
+ incorrect debug info. In order to make this work right, all line number
+ and symbol info for the same source file has to be adjacent in the object
+ file, so that a single file descriptor can be used to point to them.
+ This would require maintaining file specific lists of line numbers and
+ symbols for each file, so that they can be merged together (or output
+ together) when two .file pseudo-ops are merged into one file
+ descriptor. */
+
+#if 0
/* See if the file has already been created. */
for (fil_ptr = first_file;
fil_ptr != (efdr_t *) NULL;
&& strcmp (file_name, fil_ptr->name) == 0)
{
cur_file_ptr = fil_ptr;
+ if (! fake)
+ cur_file_ptr->fake = 0;
break;
}
}
+#else
+ fil_ptr = (efdr_t *) NULL;
+#endif
/* If this is a new file, create it. */
if (fil_ptr == (efdr_t *) NULL)
fil_ptr->file_index = current_file_idx++;
++file_desc.num_allocated;
+ fil_ptr->fake = fake;
+
/* Allocate the string hash table. */
fil_ptr->str_hash = hash_new ();
/* Push the start of the filename. We assume that the filename
will be stored at string offset 1. */
(void) add_ecoff_symbol (file_name, st_File, sc_Text,
- (symbolS *) NULL,
+ (symbolS *) NULL, (bfd_vma) 0,
(symint_t) 0, (symint_t) 0);
fil_ptr->fdr.rss = 1;
fil_ptr->name = &fil_ptr->strings.last->datum->byte[1];
fil_ptr->int_type = add_aux_sym_tir (&int_type_info,
hash_yes,
&cur_file_ptr->thash_head[0]);
- if (generate_asm_line_stab)
+ /* gas used to have a bug that if the file does not have any
+ symbol, it either will abort or will not build the file,
+ the following is to get around that problem. ---kung*/
+#if 0
+ if (generate_asm_lineno)
{
- static char itstr[] = "int:t1=r1;-2147483648;2147483647;";
mark_stabs (0);
(void) add_ecoff_symbol (file_name, st_Nil, sc_Nil,
- symbol_new ("L0\001", now_seg,
- (valueT) frag_now_fix (),
- frag_now),
- 0, ECOFF_MARK_STAB (N_SO));
- (void) add_ecoff_symbol (itstr, st_Nil, sc_Nil,
- (symbolS *)NULL, 0, ECOFF_MARK_STAB (N_LSYM));
+ symbol_new ("L0\001", now_seg,
+ (valueT) frag_now_fix (),
+ frag_now),
+ (bfd_vma) 0, 0, ECOFF_MARK_STAB (N_SO));
+ (void) add_ecoff_symbol ("void:t1=1", st_Nil, sc_Nil,
+ (symbolS *) NULL, (bfd_vma) 0, 0,
+ ECOFF_MARK_STAB (N_LSYM));
}
+#endif
}
}
\f
(void) add_ecoff_symbol ((const char *) NULL, st_Block, sc_Text,
symbol_find_or_make (name),
- (symint_t) 0, (symint_t) 0);
+ (bfd_vma) 0, (symint_t) 0, (symint_t) 0);
*input_line_pointer = name_end;
as_warn (".bend directive names unknown symbol");
else
(void) add_ecoff_symbol ((const char *) NULL, st_End, sc_Text, endsym,
- (symint_t) 0, (symint_t) 0);
+ (bfd_vma) 0, (symint_t) 0, (symint_t) 0);
*input_line_pointer = name_end;
static int coff_is_function;
static char *coff_tag;
static valueT coff_value;
-symbolS *coff_sym_value;
+static symbolS *coff_sym_value;
+static bfd_vma coff_sym_addend;
static int coff_inside_enumeration;
/* Handle a .def directive: start defining a symbol. */
char *name;
char name_end;
+ ecoff_debugging_seen = 1;
+
SKIP_WHITESPACE ();
name = input_line_pointer;
coff_tag = (char *) NULL;
coff_value = 0;
coff_sym_value = (symbolS *) NULL;
+ coff_sym_addend = 0;
}
*input_line_pointer = name_end;
{
if (tq_ptr == &coff_type.type_qualifiers[0])
{
- as_warn ("Too derived values in .type argument");
+ /* FIXME: We could handle this by setting the continued bit.
+ There would still be a limit: the .type argument can not
+ be infinite. */
+ as_warn ("The type of %s is too complex; it will be simplified",
+ coff_sym_name);
break;
}
if (ISPTR (val))
ecoff_directive_val (ignore)
int ignore;
{
+ expressionS exp;
+
if (coff_sym_name == (char *) NULL)
{
as_warn (".val pseudo-op used outside of .def/.endef; ignored");
return;
}
- if (! is_name_beginner ((unsigned char) *input_line_pointer))
- coff_value = get_absolute_expression ();
- else
+ expression (&exp);
+ if (exp.X_op != O_constant && exp.X_op != O_symbol)
{
- char *name;
- char name_end;
-
- name = input_line_pointer;
- name_end = get_symbol_end ();
-
- if (strcmp (name, ".") == 0)
- as_warn ("`.val .' not supported");
- else
- coff_sym_value = symbol_find_or_make (name);
-
- *input_line_pointer = name_end;
+ as_bad (".val expression is too copmlex");
+ demand_empty_rest_of_line ();
+ return;
+ }
- /* FIXME: gcc can generate address expressions here in unusual
- cases (search for "obscure" in sdbout.c), although this is
- very unlikely for a MIPS chip. */
+ if (exp.X_op == O_constant)
+ coff_value = exp.X_add_number;
+ else
+ {
+ coff_sym_value = exp.X_add_symbol;
+ coff_sym_addend = exp.X_add_number;
}
demand_empty_rest_of_line ();
coff_symbol_typ,
coff_storage_class,
coff_sym_value,
+ coff_sym_addend,
(symint_t) coff_value,
indx);
else
{
(void) add_ecoff_symbol ((const char *) NULL, st_End, sc_Text,
- symbol_new ("L0\001", now_seg,
- (valueT) frag_now_fix (),
- frag_now),
- (symint_t) 0, (symint_t) 0);
- if (generate_asm_line_stab)
+ symbol_new ("L0\001", now_seg,
+ (valueT) frag_now_fix (),
+ frag_now),
+ (bfd_vma) 0, (symint_t) 0, (symint_t) 0);
+
+ if (stabs_seen && generate_asm_lineno)
{
char *n;
strcpy (n, name);
strcat (n, ":F1");
(void) add_ecoff_symbol ((const char *) n, stGlobal, scText,
- ent, 0, ECOFF_MARK_STAB (N_FUN));
+ ent, (bfd_vma) 0, 0,
+ ECOFF_MARK_STAB (N_FUN));
}
}
register int ch;
if (cur_file_ptr == (efdr_t *) NULL)
- add_file ((const char *) NULL, 0);
+ add_file ((const char *) NULL, 0, 1);
if (cur_proc_ptr != (proc_t *) NULL)
{
demand_empty_rest_of_line ();
}
\f
+/* Parse .extern directives. */
+
+void
+ecoff_directive_extern (ignore)
+ int ignore;
+{
+ char *name;
+ int c;
+ symbolS *symbolp;
+ valueT size;
+
+ name = input_line_pointer;
+ c = get_symbol_end ();
+ symbolp = symbol_find_or_make (name);
+ *input_line_pointer = c;
+
+ S_SET_EXTERNAL (symbolp);
+
+ if (*input_line_pointer == ',')
+ ++input_line_pointer;
+ size = get_absolute_expression ();
+
+ symbolp->ecoff_extern_size = size;
+}
+\f
/* Parse .file directives. */
void
/* FIXME: we don't have to save the name here. */
name = demand_copy_C_string (&len);
- add_file (name, indx - 1);
+ add_file (name, indx - 1, 0);
demand_empty_rest_of_line ();
}
symbol_new ("L0\001", now_seg,
(valueT) frag_now_fix (),
frag_now),
- 0, lineno);
+ (bfd_vma) 0, 0, lineno);
return;
}
stabs_seen = 1;
(void) add_ecoff_symbol (stabs_symbol, stNil, scInfo,
(symbolS *) NULL,
- (symint_t) -1, ECOFF_MARK_STAB (0));
+ (bfd_vma) 0, (symint_t) -1,
+ ECOFF_MARK_STAB (0));
+ }
+}
+\f
+/* Parse .weakext directives. */
+
+void
+ecoff_directive_weakext (ignore)
+ int ignore;
+{
+ char *name;
+ int c;
+ symbolS *symbolP;
+ expressionS exp;
+
+ name = input_line_pointer;
+ c = get_symbol_end ();
+ symbolP = symbol_find_or_make (name);
+ *input_line_pointer = c;
+
+ SKIP_WHITESPACE ();
+
+ if (c == ',')
+ {
+ if (S_IS_DEFINED (symbolP))
+ {
+ as_bad ("Ignoring attempt to redefine symbol `%s'.",
+ S_GET_NAME (symbolP));
+ ignore_rest_of_line ();
+ return;
+ }
+
+ ++input_line_pointer;
+ SKIP_WHITESPACE ();
+ if (! is_end_of_line[(unsigned char) *input_line_pointer])
+ {
+ expression (&exp);
+ if (exp.X_op != O_symbol)
+ {
+ as_bad ("bad .weakext directive");
+ ignore_rest_of_line();
+ return;
+ }
+ symbolP->sy_value = exp;
+ }
}
+
+ S_SET_WEAK (symbolP);
+
+ demand_empty_rest_of_line ();
}
\f
/* Handle .stabs directives. The actual parsing routine is done by a
value a numeric value or an address. */
void
-ecoff_stab (what, string, type, other, desc)
+ecoff_stab (sec, what, string, type, other, desc)
+ segT sec;
int what;
const char *string;
int type;
symint_t indx;
localsym_t *hold = NULL;
+ ecoff_debugging_seen = 1;
+
/* We don't handle .stabd. */
if (what != 's' && what != 'n')
{
/* Make sure we have a current file. */
if (cur_file_ptr == (efdr_t *) NULL)
{
- add_file ((const char *) NULL, 0);
+ add_file ((const char *) NULL, 0, 1);
save_file_ptr = cur_file_ptr;
}
{
char *name;
char name_end;
-
- name = input_line_pointer;
- name_end = get_symbol_end ();
-
- sym = symbol_find_or_make (name);
+ expressionS exp;
sc = sc_Nil;
st = st_Nil;
value = 0;
- *input_line_pointer = name_end;
- if (name_end == '+' || name_end == '-')
+ if (string == NULL)
+ {
+ name = input_line_pointer;
+ name_end = get_symbol_end ();
+ sym = symbol_find_or_make (name);
+ *input_line_pointer = name_end;
+ }
+ else
{
- ++input_line_pointer;
- value = get_absolute_expression ();
- if (name_end == '-')
- value = - value;
+ sym = symbol_find_or_make (string);
+ expression (&sym->sy_value);
}
}
if (sym != (symbolS *) NULL)
hold = sym->ecoff_symbol;
- (void) add_ecoff_symbol (string, st, sc, sym, value, indx);
+ (void) add_ecoff_symbol (string, st, sc, sym, (bfd_vma) 0, value, indx);
if (sym != (symbolS *) NULL)
sym->ecoff_symbol = hold;
symbolS *sym;
{
if (S_IS_COMMON (sym)
- && S_GET_VALUE (sym) > 0
- && S_GET_VALUE (sym) <= bfd_get_gp_size (stdoutput))
+ && S_GET_VALUE (sym) > 0
+ && S_GET_VALUE (sym) <= bfd_get_gp_size (stdoutput))
{
static asection scom_section;
static asymbol scom_symbol;
}
S_SET_SEGMENT (sym, &scom_section);
}
+
+ /* Double check weak symbols. */
+ if (sym->bsym->flags & BSF_WEAK)
+ {
+ if (S_IS_COMMON (sym))
+ as_bad ("Symbol `%s' can not be both weak and common",
+ S_GET_NAME (sym));
+ }
}
\f
/* Add bytes to the symbolic information buffer. */
before it is used. */
count = 1;
}
- else
+ else if (l->next->frag->fr_address + l->next->paddr
+ > l->frag->fr_address + l->paddr)
{
count = ((l->next->frag->fr_address + l->next->paddr
- (l->frag->fr_address + l->paddr))
>> 2);
- if (count <= 0)
- {
- /* Don't change last, so we still get the right delta. */
- continue;
- }
+ }
+ else
+ {
+ /* Don't change last, so we still get the right delta. */
+ continue;
}
if (l->file != file || l->proc != proc)
if (l->file != file && file != (efdr_t *) NULL)
{
file->fdr.cbLine = c - file->fdr.cbLineOffset;
- /* The cline field is ill-documented. This is a guess
- at the right value. */
file->fdr.cline = totcount + count;
if (linecntptr != (long *) NULL)
*linecntptr += totcount + count;
if (l->file != file)
{
+ efdr_t *last_file = file;
+
file = l->file;
- file->fdr.ilineBase = iline;
+ if (last_file != (efdr_t *) NULL)
+ file->fdr.ilineBase
+ = last_file->fdr.ilineBase + last_file->fdr.cline;
+ else
+ file->fdr.ilineBase = 0;
file->fdr.cbLineOffset = c;
}
if (l->proc != proc)
{
proc->pdr.lnLow = l->lineno;
proc->pdr.cbLineOffset = c - file->fdr.cbLineOffset;
- /* The iline field is ill-documented. This is a
- guess at the right value. */
proc->pdr.iline = totcount;
}
}
sym_ptr->ecoff_sym.asym.value =
(S_GET_VALUE (as_sym)
+ bfd_get_section_vma (stdoutput,
- S_GET_SEGMENT (as_sym)));
+ S_GET_SEGMENT (as_sym))
+ + sym_ptr->addend);
+
+ sym_ptr->ecoff_sym.weakext = S_IS_WEAK (as_sym);
/* Set st_Proc to st_StaticProc for local
functions. */
if (sym_ptr->ecoff_sym.asym.st == st_Proc
&& S_IS_DEFINED (as_sym)
- && ! S_IS_EXTERNAL (as_sym))
+ && ! S_IS_EXTERNAL (as_sym)
+ && ! S_IS_WEAK (as_sym))
sym_ptr->ecoff_sym.asym.st = st_StaticProc;
/* Get the type and storage class based on where
if (! ECOFF_IS_STAB (&sym_ptr->ecoff_sym.asym)
&& (S_IS_EXTERNAL (as_sym)
+ || S_IS_WEAK (as_sym)
|| ! S_IS_DEFINED (as_sym)))
- st = st_Global;
+ {
+ if ((as_sym->bsym->flags & BSF_FUNCTION) != 0)
+ st = st_Proc;
+ else
+ st = st_Global;
+ }
else if (seg == text_section)
st = st_Label;
else
sym_ptr->ecoff_sym.asym.value =
as_sym->ecoff_extern_size;
}
+#ifdef S_SET_SIZE
+ S_SET_SIZE (as_sym, as_sym->ecoff_extern_size);
+#endif
}
else if (S_IS_COMMON (as_sym))
{
else if (seg == &bfd_abs_section)
sc = sc_Abs;
else
- abort ();
+ {
+ /* This must be a user named section.
+ This is not possible in ECOFF, but it
+ is in ELF. */
+ sc = sc_Data;
+ }
sym_ptr->ecoff_sym.asym.st = (int) st;
sym_ptr->ecoff_sym.asym.sc = (int) sc;
than the actual symbol. Should we handle
them here? */
if ((S_IS_EXTERNAL (as_sym)
+ || S_IS_WEAK (as_sym)
|| ! S_IS_DEFINED (as_sym))
&& sym_ptr->proc_ptr == (proc_t *) NULL
&& sym_ptr->ecoff_sym.asym.st != (int) st_Nil
sym_ptr->ecoff_sym.asym.value =
(S_GET_VALUE (as_sym)
- S_GET_VALUE (begin_ptr->as_sym));
+#ifdef S_SET_SIZE
+ S_SET_SIZE (begin_ptr->as_sym,
+ sym_ptr->ecoff_sym.asym.value);
+#endif
}
else if (begin_type == st_Block
&& sym_ptr->ecoff_sym.asym.sc != (int) sc_Info)
if (as_sym != (symbolS *) NULL
&& as_sym->ecoff_symbol == sym_ptr)
{
- if (sym_ptr->ecoff_sym.asym.st == st_Proc
- || sym_ptr->ecoff_sym.asym.st == st_StaticProc)
- {
- know (local);
- sym_ptr->ecoff_sym.asym.index = isym - ifilesym - 1;
- }
+ if ((sym_ptr->ecoff_sym.asym.st == st_Proc
+ || sym_ptr->ecoff_sym.asym.st == st_StaticProc)
+ && local)
+ sym_ptr->ecoff_sym.asym.index = isym - ifilesym - 1;
sym_ptr->ecoff_sym.ifd = fil_ptr->file_index;
}
}
void (* const swap_pdr_out) PARAMS ((bfd *, const PDR *, PTR))
= backend->swap_pdr_out;
char *pdr_out;
- int first_fil;
long iproc;
vlinks_t *file_link;
pdr_out = *buf + offset;
- first_fil = 1;
iproc = 0;
/* The procedures are stored by file. */
S_GET_SEGMENT (adr_sym)));
if (first)
{
- if (first_fil)
- first_fil = 0;
- else
- fil_ptr->fdr.adr = adr;
+ /* This code used to force the adr of the very
+ first fdr to be 0. However, the native tools
+ don't do that, and I can't remember why it
+ used to work that way, so I took it out. */
+ fil_ptr->fdr.adr = adr;
first = 0;
}
proc_ptr->pdr.adr = adr - fil_ptr->fdr.adr;
long iaux;
vlinks_t *file_link;
- bigendian = stdoutput->xvec->header_byteorder_big_p;
+ bigendian = bfd_big_endian (stdoutput);
aux_out = (union aux_ext *) (*buf + offset);
/* If this is a local symbol, then force the fields to zero. */
if (! S_IS_EXTERNAL (sym)
+ && ! S_IS_WEAK (sym)
&& S_IS_DEFINED (sym))
{
sym->ecoff_symbol->ecoff_sym.asym.value = 0;
}
}
-/* Build the ECOFF dbeugging information. */
+/* Build the ECOFF debugging information. */
unsigned long
ecoff_build_debug (hdr, bufp, backend)
/* Make sure we have a file. */
if (first_file == (efdr_t *) NULL)
- add_file ((const char *) NULL, 0);
+ add_file ((const char *) NULL, 0, 1);
/* Handle any top level tags. */
for (ptag = top_tag_head->first_tag;
cur_file_ptr = sym->ecoff_file;
add_ecoff_symbol ((const char *) NULL, st_Nil, sc_Nil, sym,
- S_GET_VALUE (sym), indexNil);
+ (bfd_vma) 0, S_GET_VALUE (sym), indexNil);
}
cur_proc_ptr = hold_proc_ptr;
cur_file_ptr = hold_file_ptr;
fil_ptr = fil_ptr->next_file)
{
cur_file_ptr = fil_ptr;
- while (cur_file_ptr->cur_scope->prev != (scope_t *) NULL)
+ while (cur_file_ptr->cur_scope != (scope_t *) NULL
+ && cur_file_ptr->cur_scope->prev != (scope_t *) NULL)
{
cur_file_ptr->cur_scope = cur_file_ptr->cur_scope->prev;
- if (! end_warning)
+ if (! end_warning && ! cur_file_ptr->fake)
{
as_warn ("Missing .end or .bend at end of file");
end_warning = 1;
}
}
- (void) add_ecoff_symbol ((const char *) NULL,
- st_End, sc_Text,
- (symbolS *) NULL,
- (symint_t) 0,
- (symint_t) 0);
+ if (cur_file_ptr->cur_scope != (scope_t *) NULL)
+ (void) add_ecoff_symbol ((const char *) NULL,
+ st_End, sc_Text,
+ (symbolS *) NULL,
+ (bfd_vma) 0,
+ (symint_t) 0,
+ (symint_t) 0);
}
/* Build the symbolic information. */
int sz;
{
if (cur_proc_ptr == 0)
- abort ();
+ return;
cur_proc_ptr->pdr.gp_prologue = sz;
if (cur_proc_ptr->pdr.gp_prologue != sz)
/* Make sure we have a current file. */
if (cur_file_ptr == (efdr_t *) NULL)
{
- add_file ((const char *) NULL, 0);
+ add_file ((const char *) NULL, 0, 1);
save_file_ptr = cur_file_ptr;
}
if (sym != (symbolS *) NULL)
hold = sym->ecoff_symbol;
- (void) add_ecoff_symbol (string, st, sc, sym, value, indx);
+ (void) add_ecoff_symbol (string, st, sc, sym, (bfd_vma) 0, value, indx);
if (sym != (symbolS *) NULL)
sym->ecoff_symbol = hold;
cur_file_ptr = save_file_ptr;
}
+int
+ecoff_no_current_file ()
+{
+ return cur_file_ptr == (efdr_t *) NULL;
+}
+
+void
+ecoff_generate_asm_lineno (filename, lineno)
+ const char *filename;
+ int lineno;
+{
+ lineno_list_t *list;
+
+ /* this potential can cause problem, when we start to see stab half the
+ way thru the file */
+/*
+ if (stabs_seen)
+ ecoff_generate_asm_line_stab(filename, lineno);
+*/
+
+ if (current_stabs_filename == (char *)NULL || strcmp (current_stabs_filename, filename))
+ {
+ add_file (filename, 0, 1);
+ generate_asm_lineno = 1;
+ }
+
+ list = allocate_lineno_list ();
+
+ list->next = (lineno_list_t *) NULL;
+ list->file = cur_file_ptr;
+ list->proc = cur_proc_ptr;
+ list->frag = frag_now;
+ list->paddr = frag_now_fix ();
+ list->lineno = lineno;
+
+ /* A .loc directive will sometimes appear before a .ent directive,
+ which means that cur_proc_ptr will be NULL here. Arrange to
+ patch this up. */
+ if (cur_proc_ptr == (proc_t *) NULL)
+ {
+ lineno_list_t **pl;
+
+ pl = &noproc_lineno;
+ while (*pl != (lineno_list_t *) NULL)
+ pl = &(*pl)->next;
+ *pl = list;
+ }
+ else
+ {
+ *last_lineno_ptr = list;
+ last_lineno_ptr = &list->next;
+ }
+}
+
static int line_label_cnt = 0;
void
-ecoff_generate_asm_line_stab (lineno)
+ecoff_generate_asm_line_stab (filename, lineno)
+ char *filename;
int lineno;
{
char *ll;
+ if (strcmp (current_stabs_filename, filename))
+ {
+ add_file (filename, 0, 1);
+ generate_asm_lineno = 1;
+ }
+
line_label_cnt++;
/* generate local label $LMnn */
ll = xmalloc(10);