0, /* rfdBase: index into the file indirect table */
0, /* crfd: count file indirect entries */
langC, /* lang: language for this file */
- 0, /* fMerge: whether this file can be merged */
+ 1, /* fMerge: whether this file can be merged */
0, /* fReadin: true if read in (not just created) */
#ifdef TARGET_BYTES_BIG_ENDIAN
1, /* fBigendian: if 1, compiled on big endian machine */
} lineno_list_t;
static lineno_list_t *first_lineno;
+static lineno_list_t *last_lineno;
static lineno_list_t **last_lineno_ptr = &first_lineno;
/* Sometimes there will be some .loc statements before a .ent. We
l->proc = new_proc_ptr;
*last_lineno_ptr = noproc_lineno;
while (*last_lineno_ptr != NULL)
- last_lineno_ptr = &(*last_lineno_ptr)->next;
+ {
+ last_lineno = *last_lineno_ptr;
+ last_lineno_ptr = &last_lineno->next;
+ }
noproc_lineno = (lineno_list_t *) NULL;
}
}
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. */
+ /* FIXME: We can't safely merge files which have line number
+ information (fMerge will be zero in this case). Otherwise, we
+ get incorrect line number debugging info. 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;
fil_ptr = fil_ptr->next_file)
{
if (first_ch == fil_ptr->name[0]
- && strcmp (file_name, fil_ptr->name) == 0)
+ && strcmp (file_name, fil_ptr->name) == 0
+ && fil_ptr->fdr.fMerge)
{
cur_file_ptr = fil_ptr;
if (! fake)
break;
}
}
-#else
- fil_ptr = (efdr_t *) NULL;
-#endif
/* If this is a new file, create it. */
if (fil_ptr == (efdr_t *) NULL)
#endif
}
}
+
+/* This function is called when the assembler notices a preprocessor
+ directive switching to a new file. This will not happen in
+ compiler output, only in hand coded assembler. */
+
+void
+ecoff_new_file (name)
+ const char *name;
+{
+ add_file (name, 0, 0);
+ generate_asm_lineno = 1;
+}
\f
#ifdef ECOFF_DEBUG
coff_type.num_sizes = i + 1;
for (i--; i >= 0; i--)
- coff_type.sizes[i] = (coff_type.sizes[i + 1]
- / coff_type.dimensions[i + 1]);
+ coff_type.sizes[i] = (coff_type.dimensions[i + 1] == 0
+ ? 0
+ : (coff_type.sizes[i + 1]
+ / coff_type.dimensions[i + 1]));
}
}
else if (coff_symbol_typ == st_Member
list->paddr = frag_now_fix ();
list->lineno = lineno;
+ /* We don't want to merge files which have line numbers. */
+ cur_file_ptr->fdr.fMerge = 0;
+
/* 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. */
}
else
{
+ last_lineno = list;
*last_lineno_ptr = list;
last_lineno_ptr = &list->next;
}
}
+
+/* The MIPS assembler sometimes inserts nop instructions in the
+ instruction stream. When this happens, we must patch up the .loc
+ information so that it points to the instruction after the nop. */
+
+void
+ecoff_fix_loc (old_frag, old_frag_offset)
+ fragS *old_frag;
+ unsigned long old_frag_offset;
+{
+ if (last_lineno != NULL
+ && last_lineno->frag == old_frag
+ && last_lineno->paddr == old_frag_offset)
+ {
+ last_lineno->frag = frag_now;
+ last_lineno->paddr = frag_now_fix ();
+ }
+}
\f
/* Make sure the @stabs symbol is emitted. */
SKIP_WHITESPACE ();
- if (c == ',')
+ if (*input_line_pointer == ',')
{
if (S_IS_DEFINED (symbolP))
{
efdr_t *save_file_ptr = cur_file_ptr;
symbolS *sym;
symint_t value;
+ bfd_vma addend;
st_t st;
sc_t sc;
symint_t indx;
*input_line_pointer = name_end;
value = 0;
+ addend = 0;
st = st_Label;
sc = sc_Text;
indx = desc;
sc = sc_Nil;
sym = (symbolS *) NULL;
value = get_absolute_expression ();
+ addend = 0;
}
else if (! is_name_beginner ((unsigned char) *input_line_pointer))
{
}
else
{
- char *name;
- char name_end;
expressionS exp;
sc = sc_Nil;
st = st_Nil;
- value = 0;
- if (string == NULL)
+ expression (&exp);
+ if (exp.X_op == O_constant)
+ {
+ sym = NULL;
+ value = exp.X_add_number;
+ addend = 0;
+ }
+ else if (exp.X_op == O_symbol)
{
- name = input_line_pointer;
- name_end = get_symbol_end ();
- sym = symbol_find_or_make (name);
- *input_line_pointer = name_end;
+ sym = exp.X_add_symbol;
+ value = 0;
+ addend = exp.X_add_number;
}
else
{
- sym = symbol_find_or_make (string);
- expression (&sym->sy_value);
+ as_bad (".stabs expression too complex");
+ sym = NULL;
+ value = 0;
+ addend = 0;
}
}
if (sym != (symbolS *) NULL)
hold = sym->ecoff_symbol;
- (void) add_ecoff_symbol (string, st, sc, sym, (bfd_vma) 0, value, indx);
+ (void) add_ecoff_symbol (string, st, sc, sym, addend, value, indx);
if (sym != (symbolS *) NULL)
sym->ecoff_symbol = hold;
list->paddr = frag_now_fix ();
list->lineno = lineno;
+ /* We don't want to merge files which have line numbers. */
+ cur_file_ptr->fdr.fMerge = 0;
+
/* 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. */
}
else
{
+ last_lineno = list;
*last_lineno_ptr = list;
last_lineno_ptr = &list->next;
}
projects / binutils-gdb.git / commitdiff