static void
obj_coff_line (int ignore ATTRIBUTE_UNUSED)
{
int this_base;
if (def_symbol_in_progress == NULL)
{
/* Probably stabs-style line? */
obj_coff_ln (0);
return;
}
this_base = get_absolute_expression ();
if (streq (".bf", S_GET_NAME (def_symbol_in_progress)))
coff_line_base = this_base;
S_SET_NUMBER_AUXILIARY (def_symbol_in_progress, 1);
SA_SET_SYM_LNNO (def_symbol_in_progress, this_base);
demand_empty_rest_of_line ();
#ifndef NO_LISTING
if (streq (".bf", S_GET_NAME (def_symbol_in_progress)))
{
extern int listing;
if (listing)
listing_source_line ((unsigned int) this_base);
}
#endif
}
void
dwarf2_directive_loc (int dummy ATTRIBUTE_UNUSED)
{
offsetT filenum, line, column;
filenum = get_absolute_expression ();
SKIP_WHITESPACE ();
line = get_absolute_expression ();
SKIP_WHITESPACE ();
column = get_absolute_expression ();
demand_empty_rest_of_line ();
if (filenum < 1)
{
as_bad (_("file number less than one"));
return;
}
if (filenum >= (int) files_in_use || files[filenum].filename == 0)
{
as_bad (_("unassigned file number %ld"), (long) filenum);
return;
}
current.filenum = filenum;
current.line = line;
current.column = column;
current.flags = DWARF2_FLAG_BEGIN_STMT;
loc_directive_seen = TRUE;
#ifndef NO_LISTING
if (listing)
{
if (files[filenum].dir)
{
size_t dir_len = strlen (dirs[files[filenum].dir]);
size_t file_len = strlen (files[filenum].filename);
char *cp = (char *) alloca (dir_len + 1 + file_len + 1);
memcpy (cp, dirs[files[filenum].dir], dir_len);
cp[dir_len] = '/';
memcpy (cp + dir_len + 1, files[filenum].filename, file_len);
cp[dir_len + file_len + 1] = '\0';
listing_source_file (cp);
}
else
listing_source_file (files[filenum].filename);
listing_source_line (line);
}
#endif
}
static void
obj_coff_loc (int ignore ATTRIBUTE_UNUSED)
{
int lineno;
/* FIXME: Why do we need this check? We need it for ECOFF, but why
do we need it for COFF? */
if (now_seg != text_section)
{
as_warn (_(".loc outside of .text"));
demand_empty_rest_of_line ();
return;
}
if (def_symbol_in_progress != NULL)
{
as_warn (_(".loc pseudo-op inside .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
/* Skip the file number. */
SKIP_WHITESPACE ();
get_absolute_expression ();
SKIP_WHITESPACE ();
lineno = get_absolute_expression ();
#ifndef NO_LISTING
{
extern int listing;
if (listing)
{
lineno += coff_line_base - 1;
listing_source_line (lineno);
}
}
#endif
demand_empty_rest_of_line ();
add_lineno (frag_now, frag_now_fix (), lineno);
}
static void
obj_coff_ln (int appline)
{
int l;
if (! appline && def_symbol_in_progress != NULL)
{
as_warn (_(".ln pseudo-op inside .def/.endef: ignored."));
demand_empty_rest_of_line ();
return;
}
l = get_absolute_expression ();
/* If 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
{
extern int listing;
if (listing)
{
if (! appline)
l += coff_line_base - 1;
listing_source_line (l);
}
}
#endif
demand_empty_rest_of_line ();
}
void
dwarf2_directive_loc (int dummy ATTRIBUTE_UNUSED)
{
offsetT filenum, line;
/* If we see two .loc directives in a row, force the first one to be
output now. */
if (dwarf2_loc_directive_seen)
dwarf2_emit_insn (0);
filenum = get_absolute_expression ();
SKIP_WHITESPACE ();
line = get_absolute_expression ();
if (filenum < 1)
{
as_bad (_("file number less than one"));
return;
}
if (filenum >= (int) files_in_use || files[filenum].filename == 0)
{
as_bad (_("unassigned file number %ld"), (long) filenum);
return;
}
current.filenum = filenum;
current.line = line;
current.discriminator = 0;
#ifndef NO_LISTING
if (listing)
{
if (files[filenum].dir)
{
size_t dir_len = strlen (dirs[files[filenum].dir]);
size_t file_len = strlen (files[filenum].filename);
char *cp = (char *) alloca (dir_len + 1 + file_len + 1);
memcpy (cp, dirs[files[filenum].dir], dir_len);
INSERT_DIR_SEPARATOR (cp, dir_len);
memcpy (cp + dir_len + 1, files[filenum].filename, file_len);
cp[dir_len + file_len + 1] = '\0';
listing_source_file (cp);
}
else
listing_source_file (files[filenum].filename);
listing_source_line (line);
}
#endif
SKIP_WHITESPACE ();
if (ISDIGIT (*input_line_pointer))
{
current.column = get_absolute_expression ();
SKIP_WHITESPACE ();
}
while (ISALPHA (*input_line_pointer))
{
char *p, c;
offsetT value;
p = input_line_pointer;
c = get_symbol_end ();
if (strcmp (p, "basic_block") == 0)
{
current.flags |= DWARF2_FLAG_BASIC_BLOCK;
*input_line_pointer = c;
}
else if (strcmp (p, "prologue_end") == 0)
{
current.flags |= DWARF2_FLAG_PROLOGUE_END;
*input_line_pointer = c;
}
else if (strcmp (p, "epilogue_begin") == 0)
{
current.flags |= DWARF2_FLAG_EPILOGUE_BEGIN;
*input_line_pointer = c;
}
else if (strcmp (p, "is_stmt") == 0)
{
*input_line_pointer = c;
value = get_absolute_expression ();
if (value == 0)
current.flags &= ~DWARF2_FLAG_IS_STMT;
else if (value == 1)
current.flags |= DWARF2_FLAG_IS_STMT;
else
{
as_bad (_("is_stmt value not 0 or 1"));
return;
}
}
else if (strcmp (p, "isa") == 0)
{
*input_line_pointer = c;
value = get_absolute_expression ();
if (value >= 0)
current.isa = value;
else
{
as_bad (_("isa number less than zero"));
return;
}
}
else if (strcmp (p, "discriminator") == 0)
{
*input_line_pointer = c;
value = get_absolute_expression ();
if (value >= 0)
current.discriminator = value;
else
{
as_bad (_("discriminator less than zero"));
return;
}
}
else
{
as_bad (_("unknown .loc sub-directive `%s'"), p);
*input_line_pointer = c;
return;
}
SKIP_WHITESPACE ();
}
demand_empty_rest_of_line ();
dwarf2_loc_directive_seen = TRUE;
debug_type = DEBUG_NONE;
}
