/* Support routines for decoding "stabs" debugging information format.
- Copyright (C) 1986-2013 Free Software Foundation, Inc.
+ Copyright (C) 1986-2015 Free Software Foundation, Inc.
This file is part of GDB.
Avoid placing any object file format specific code in this file. */
#include "defs.h"
-#include "gdb_string.h"
#include "bfd.h"
#include "gdb_obstack.h"
#include "symtab.h"
#include "doublest.h"
#include "cp-abi.h"
#include "cp-support.h"
-#include "gdb_assert.h"
-
#include <ctype.h>
/* Ask stabsread.h to define the vars it normally declares `extern'. */
extern void _initialize_stabsread (void);
+struct nextfield
+{
+ struct nextfield *next;
+
+ /* This is the raw visibility from the stab. It is not checked
+ for being one of the visibilities we recognize, so code which
+ examines this field better be able to deal. */
+ int visibility;
+
+ struct field field;
+};
+
+struct next_fnfieldlist
+{
+ struct next_fnfieldlist *next;
+ struct fn_fieldlist fn_fieldlist;
+};
+
/* The routines that read and process a complete stabs for a C struct or
C++ class pass lists of data member fields and lists of member function
fields in an instance of a field_info structure, as defined below.
struct field_info
{
- struct nextfield
- {
- struct nextfield *next;
-
- /* This is the raw visibility from the stab. It is not checked
- for being one of the visibilities we recognize, so code which
- examines this field better be able to deal. */
- int visibility;
-
- struct field field;
- }
- *list;
- struct next_fnfieldlist
- {
- struct next_fnfieldlist *next;
- struct fn_fieldlist fn_fieldlist;
- }
- *fnlist;
+ struct nextfield *list;
+ struct next_fnfieldlist *fnlist;
};
static void
if (**(pp) == '\\' || (**(pp) == '?' && (*(pp))[1] == '\0')) \
*(pp) = next_symbol_text (objfile); \
} while (0)
+
+/* Vector of types defined so far, indexed by their type numbers.
+ (In newer sun systems, dbx uses a pair of numbers in parens,
+ as in "(SUBFILENUM,NUMWITHINSUBFILE)".
+ Then these numbers must be translated through the type_translations
+ hash table to get the index into the type vector.) */
+
+static struct type **type_vector;
+
+/* Number of elements allocated for type_vector currently. */
+
+static int type_vector_length;
+
+/* Initial size of type vector. Is realloc'd larger if needed, and
+ realloc'd down to the size actually used, when completed. */
+
+#define INITIAL_TYPE_VECTOR_LENGTH 160
\f
/* Look up a dbx type-number pair. Return the address of the slot
current_symbol = sym = allocate_symbol (objfile);
- switch (type & N_TYPE)
- {
- case N_TEXT:
- SYMBOL_SECTION (sym) = SECT_OFF_TEXT (objfile);
- break;
- case N_DATA:
- SYMBOL_SECTION (sym) = SECT_OFF_DATA (objfile);
- break;
- case N_BSS:
- SYMBOL_SECTION (sym) = SECT_OFF_BSS (objfile);
- break;
- }
-
if (processing_gcc_compilation)
{
/* GCC 2.x puts the line number in desc. SunOS apparently puts in the
SYMBOL_LINE (sym) = 0; /* unknown */
}
+ SYMBOL_SET_LANGUAGE (sym, current_subfile->language,
+ &objfile->objfile_obstack);
+
if (is_cplus_marker (string[0]))
{
/* Special GNU C++ names. */
else
{
normal:
- SYMBOL_SET_LANGUAGE (sym, current_subfile->language,
- &objfile->objfile_obstack);
if (SYMBOL_LANGUAGE (sym) == language_cplus)
{
char *name = alloca (p - string + 1);
/* NULL terminate the string. */
string_local[ind] = 0;
range_type
- = create_range_type (NULL,
- objfile_type (objfile)->builtin_int,
- 0, ind);
+ = create_static_range_type (NULL,
+ objfile_type (objfile)->builtin_int,
+ 0, ind);
SYMBOL_TYPE (sym) = create_array_type (NULL,
objfile_type (objfile)->builtin_char,
range_type);
SYMBOL_LINKAGE_NAME (sym))
!= SYMBOL_LINKAGE_NAME (sym))
{
- struct minimal_symbol *msym;
+ struct bound_minimal_symbol msym;
msym = lookup_minimal_symbol (SYMBOL_LINKAGE_NAME (sym),
NULL, objfile);
- if (msym != NULL)
+ if (msym.minsym != NULL)
{
const char *new_name = gdbarch_static_transform_name
(gdbarch, SYMBOL_LINKAGE_NAME (sym));
SYMBOL_SET_LINKAGE_NAME (sym, new_name);
- SYMBOL_VALUE_ADDRESS (sym) = SYMBOL_VALUE_ADDRESS (msym);
+ SYMBOL_VALUE_ADDRESS (sym) = BMSYMBOL_VALUE_ADDRESS (msym);
}
}
SYMBOL_DOMAIN (sym) = VAR_DOMAIN;
SYMBOL_LINKAGE_NAME (sym))
!= SYMBOL_LINKAGE_NAME (sym))
{
- struct minimal_symbol *msym;
+ struct bound_minimal_symbol msym;
msym = lookup_minimal_symbol (SYMBOL_LINKAGE_NAME (sym),
NULL, objfile);
- if (msym != NULL)
+ if (msym.minsym != NULL)
{
const char *new_name = gdbarch_static_transform_name
(gdbarch, SYMBOL_LINKAGE_NAME (sym));
SYMBOL_SET_LINKAGE_NAME (sym, new_name);
- SYMBOL_VALUE_ADDRESS (sym) = SYMBOL_VALUE_ADDRESS (msym);
+ SYMBOL_VALUE_ADDRESS (sym) = BMSYMBOL_VALUE_ADDRESS (msym);
}
}
SYMBOL_DOMAIN (sym) = VAR_DOMAIN;
while (**pp && **pp != '#')
{
struct type *arg_type = read_type (pp, objfile);
- struct type_list *new = alloca (sizeof (*new));
- new->type = arg_type;
- new->next = arg_types;
- arg_types = new;
+ struct type_list *newobj = alloca (sizeof (*newobj));
+ newobj->type = arg_type;
+ newobj->next = arg_types;
+ arg_types = newobj;
num_args++;
}
if (**pp == '#')
p++;
}
- /* If this is just a stub, then we don't have the real name here. */
+ /* These are methods, not functions. */
+ if (TYPE_CODE (new_sublist->fn_field.type) == TYPE_CODE_FUNC)
+ TYPE_CODE (new_sublist->fn_field.type) = TYPE_CODE_METHOD;
+ else
+ gdb_assert (TYPE_CODE (new_sublist->fn_field.type)
+ == TYPE_CODE_METHOD);
+ /* If this is just a stub, then we don't have the real name here. */
if (TYPE_STUB (new_sublist->fn_field.type))
{
- if (!TYPE_DOMAIN_TYPE (new_sublist->fn_field.type))
- TYPE_DOMAIN_TYPE (new_sublist->fn_field.type) = type;
+ if (!TYPE_SELF_TYPE (new_sublist->fn_field.type))
+ set_type_self_type (new_sublist->fn_field.type, type);
new_sublist->fn_field.is_stub = 1;
}
+
new_sublist->fn_field.physname = savestring (*pp, p - *pp);
*pp = p + 1;
struct objfile *objfile)
{
char *p;
- struct nextfield *new;
+ struct nextfield *newobj;
/* We better set p right now, in case there are no fields at all... */
{
STABS_CONTINUE (pp, objfile);
/* Get space to record the next field's data. */
- new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
- make_cleanup (xfree, new);
- memset (new, 0, sizeof (struct nextfield));
- new->next = fip->list;
- fip->list = new;
+ newobj = (struct nextfield *) xmalloc (sizeof (struct nextfield));
+ make_cleanup (xfree, newobj);
+ memset (newobj, 0, sizeof (struct nextfield));
+ newobj->next = fip->list;
+ fip->list = newobj;
/* Get the field name. */
p = *pp;
struct objfile *objfile)
{
int i;
- struct nextfield *new;
+ struct nextfield *newobj;
if (**pp != '!')
{
for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
{
- new = (struct nextfield *) xmalloc (sizeof (struct nextfield));
- make_cleanup (xfree, new);
- memset (new, 0, sizeof (struct nextfield));
- new->next = fip->list;
- fip->list = new;
- FIELD_BITSIZE (new->field) = 0; /* This should be an unpacked
+ newobj = (struct nextfield *) xmalloc (sizeof (struct nextfield));
+ make_cleanup (xfree, newobj);
+ memset (newobj, 0, sizeof (struct nextfield));
+ newobj->next = fip->list;
+ fip->list = newobj;
+ FIELD_BITSIZE (newobj->field) = 0; /* This should be an unpacked
field! */
STABS_CONTINUE (pp, objfile);
}
++(*pp);
- new->visibility = *(*pp)++;
- switch (new->visibility)
+ newobj->visibility = *(*pp)++;
+ switch (newobj->visibility)
{
case VISIBILITY_PRIVATE:
case VISIBILITY_PROTECTED:
{
complaint (&symfile_complaints,
_("Unknown visibility `%c' for baseclass"),
- new->visibility);
- new->visibility = VISIBILITY_PUBLIC;
+ newobj->visibility);
+ newobj->visibility = VISIBILITY_PUBLIC;
}
}
corresponding to this baseclass. Always zero in the absence of
multiple inheritance. */
- SET_FIELD_BITPOS (new->field, read_huge_number (pp, ',', &nbits, 0));
+ SET_FIELD_BITPOS (newobj->field, read_huge_number (pp, ',', &nbits, 0));
if (nbits != 0)
return 0;
}
base class. Read it, and remember it's type name as this
field's name. */
- new->field.type = read_type (pp, objfile);
- new->field.name = type_name_no_tag (new->field.type);
+ newobj->field.type = read_type (pp, objfile);
+ newobj->field.name = type_name_no_tag (newobj->field.type);
/* Skip trailing ';' and bump count of number of fields seen. */
if (**pp == ';')
return 0;
}
- TYPE_VPTR_BASETYPE (type) = t;
+ set_type_vptr_basetype (type, t);
if (type == t) /* Our own class provides vtbl ptr. */
{
for (i = TYPE_NFIELDS (t) - 1;
if (!strncmp (name, vptr_name, sizeof (vptr_name) - 2)
&& is_cplus_marker (name[sizeof (vptr_name) - 2]))
{
- TYPE_VPTR_FIELDNO (type) = i;
+ set_type_vptr_fieldno (type, i);
goto gotit;
}
}
}
else
{
- TYPE_VPTR_FIELDNO (type) = TYPE_VPTR_FIELDNO (t);
+ set_type_vptr_fieldno (type, TYPE_VPTR_FIELDNO (t));
}
gotit:
TYPE_LENGTH (type) = read_huge_number (pp, 0, &nbits, 0);
if (nbits != 0)
- return error_type (pp, objfile);
+ {
+ do_cleanups (back_to);
+ return error_type (pp, objfile);
+ }
set_length_in_type_chain (type);
}
}
range_type =
- create_range_type ((struct type *) NULL, index_type, lower, upper);
+ create_static_range_type ((struct type *) NULL, index_type, lower, upper);
type = create_array_type (type, element_type, range_type);
return type;
index_type = objfile_type (objfile)->builtin_int;
}
- result_type = create_range_type ((struct type *) NULL, index_type, n2, n3);
+ result_type
+ = create_static_range_type ((struct type *) NULL, index_type, n2, n3);
return (result_type);
}
symbol for the common block name for later fixup. */
int i;
struct symbol *sym;
- struct pending *new = 0;
+ struct pending *newobj = 0;
struct pending *next;
int j;
next = next->next)
{
for (j = 0; j < next->nsyms; j++)
- add_symbol_to_list (next->symbol[j], &new);
+ add_symbol_to_list (next->symbol[j], &newobj);
}
/* Copy however much of COMMON_BLOCK we need. If COMMON_BLOCK is
if (common_block != NULL)
for (j = common_block_i; j < common_block->nsyms; j++)
- add_symbol_to_list (common_block->symbol[j], &new);
+ add_symbol_to_list (common_block->symbol[j], &newobj);
- SYMBOL_TYPE (sym) = (struct type *) new;
+ SYMBOL_TYPE (sym) = (struct type *) newobj;
/* Should we be putting local_symbols back to what it was?
Does it matter? */
struct pending *ppt;
int i;
/* Name of the type, without "struct" or "union". */
- const char *typename = TYPE_TAG_NAME (*type);
+ const char *type_name = TYPE_TAG_NAME (*type);
- if (typename == NULL)
+ if (type_name == NULL)
{
complaint (&symfile_complaints, _("need a type name"));
break;
&& (TYPE_INSTANCE_FLAGS (*type) ==
TYPE_INSTANCE_FLAGS (SYMBOL_TYPE (sym)))
&& strcmp (SYMBOL_LINKAGE_NAME (sym),
- typename) == 0)
+ type_name) == 0)
replace_type (*type, SYMBOL_TYPE (sym));
}
}
/* Get the hash index and check all the symbols
under that hash index. */
- hash = hashname (SYMBOL_LINKAGE_NAME (msymbol));
+ hash = hashname (MSYMBOL_LINKAGE_NAME (msymbol));
for (sym = global_sym_chain[hash]; sym;)
{
- if (strcmp (SYMBOL_LINKAGE_NAME (msymbol),
+ if (strcmp (MSYMBOL_LINKAGE_NAME (msymbol),
SYMBOL_LINKAGE_NAME (sym)) == 0)
{
/* Splice this symbol out of the hash chain and
if (SYMBOL_CLASS (sym) == LOC_BLOCK)
{
fix_common_block (sym,
- SYMBOL_VALUE_ADDRESS (msymbol));
+ MSYMBOL_VALUE_ADDRESS (resolve_objfile,
+ msymbol));
}
else
{
SYMBOL_VALUE_ADDRESS (sym)
- = SYMBOL_VALUE_ADDRESS (msymbol);
+ = MSYMBOL_VALUE_ADDRESS (resolve_objfile, msymbol);
}
- SYMBOL_SECTION (sym) = SYMBOL_SECTION (msymbol);
+ SYMBOL_SECTION (sym) = MSYMBOL_SECTION (msymbol);
}
if (prev)
complaint (&symfile_complaints,
_("%s: common block `%s' from "
"global_sym_chain unresolved"),
- objfile->name, SYMBOL_PRINT_NAME (prev));
+ objfile_name (objfile), SYMBOL_PRINT_NAME (prev));
}
}
memset (global_sym_chain, 0, sizeof (global_sym_chain));
projects / deliverable / binutils-gdb.git / blobdiff