/* Support routines for decoding "stabs" debugging information format.
- Copyright (C) 1986-2018 Free Software Foundation, Inc.
+ Copyright (C) 1986-2019 Free Software Foundation, Inc.
This file is part of GDB.
#include "target-float.h"
#include "cp-abi.h"
#include "cp-support.h"
-#include "bcache.h"
#include <ctype.h>
-/* Ask stabsread.h to define the vars it normally declares `extern'. */
-#define EXTERN
-/**/
-#include "stabsread.h" /* Our own declarations */
-#undef EXTERN
+#include "stabsread.h"
+
+/* See stabsread.h for these globals. */
+unsigned int symnum;
+const char *(*next_symbol_text_func) (struct objfile *);
+unsigned char processing_gcc_compilation;
+int within_function;
+struct symbol *global_sym_chain[HASHSIZE];
+struct pending_stabs *global_stabs;
+int previous_stab_code;
+int *this_object_header_files;
+int n_this_object_header_files;
+int n_allocated_this_object_header_files;
struct nextfield
{
This is part of some reorganization of low level C++ support and is
expected to eventually go away... (FIXME) */
-struct field_info
+struct stab_field_info
{
- struct nextfield *list;
- struct next_fnfieldlist *fnlist;
+ struct nextfield *list = nullptr;
+ struct next_fnfieldlist *fnlist = nullptr;
+
+ auto_obstack obstack;
};
static void
-read_one_struct_field (struct field_info *, const char **, const char *,
+read_one_struct_field (struct stab_field_info *, const char **, const char *,
struct type *, struct objfile *);
static struct type *dbx_alloc_type (int[2], struct objfile *);
static struct type *rs6000_builtin_type (int, struct objfile *);
static int
-read_member_functions (struct field_info *, const char **, struct type *,
+read_member_functions (struct stab_field_info *, const char **, struct type *,
struct objfile *);
static int
-read_struct_fields (struct field_info *, const char **, struct type *,
+read_struct_fields (struct stab_field_info *, const char **, struct type *,
struct objfile *);
static int
-read_baseclasses (struct field_info *, const char **, struct type *,
+read_baseclasses (struct stab_field_info *, const char **, struct type *,
struct objfile *);
static int
-read_tilde_fields (struct field_info *, const char **, struct type *,
+read_tilde_fields (struct stab_field_info *, const char **, struct type *,
struct objfile *);
-static int attach_fn_fields_to_type (struct field_info *, struct type *);
+static int attach_fn_fields_to_type (struct stab_field_info *, struct type *);
-static int attach_fields_to_type (struct field_info *, struct type *,
+static int attach_fields_to_type (struct stab_field_info *, struct type *,
struct objfile *);
static struct type *read_struct_type (const char **, struct type *,
static void add_undefined_type (struct type *, int[2]);
static int
-read_cpp_abbrev (struct field_info *, const char **, struct type *,
+read_cpp_abbrev (struct stab_field_info *, const char **, struct type *,
struct objfile *);
static const char *find_name_end (const char *name);
SYMBOL_DOMAIN (sym) = VAR_DOMAIN;
SYMBOL_ACLASS_INDEX (sym) = LOC_OPTIMIZED_OUT;
SYMBOL_SET_LINKAGE_NAME
- (sym, (char *) obstack_copy0 (&objfile->objfile_obstack,
- name, pp - name));
+ (sym, obstack_strndup (&objfile->objfile_obstack,
+ name, pp - name));
pp += 2;
if (*(pp - 1) == 'F' || *(pp - 1) == 'f')
{
{
int regno = gdbarch_stab_reg_to_regnum (gdbarch, SYMBOL_VALUE (sym));
- if (regno < 0
- || regno >= (gdbarch_num_regs (gdbarch)
- + gdbarch_num_pseudo_regs (gdbarch)))
+ if (regno < 0 || regno >= gdbarch_num_cooked_regs (gdbarch))
{
- reg_value_complaint (regno,
- gdbarch_num_regs (gdbarch)
- + gdbarch_num_pseudo_regs (gdbarch),
+ reg_value_complaint (regno, gdbarch_num_cooked_regs (gdbarch),
SYMBOL_PRINT_NAME (sym));
regno = gdbarch_sp_regnum (gdbarch); /* Known safe, though useless. */
std::string new_name = cp_canonicalize_string (name);
if (!new_name.empty ())
- {
- type_name
- = (char *) obstack_copy0 (&objfile->objfile_obstack,
- new_name.c_str (),
- new_name.length ());
- }
+ type_name = obstack_strdup (&objfile->objfile_obstack,
+ new_name);
}
if (type_name == NULL)
{
case 'S': /* Set type */
type1 = read_type (pp, objfile);
- type = create_set_type ((struct type *) NULL, type1);
+ type = create_set_type (NULL, type1);
if (typenums[0] != -1)
*dbx_lookup_type (typenums, objfile) = type;
break;
/* RS/6000 xlc/dbx combination uses a set of builtin types, starting from -1.
Return the proper type node for a given builtin type number. */
-static const struct objfile_data *rs6000_builtin_type_data;
+static const struct objfile_key<struct type *,
+ gdb::noop_deleter<struct type *>>
+ rs6000_builtin_type_data;
static struct type *
rs6000_builtin_type (int typenum, struct objfile *objfile)
{
- struct type **negative_types
- = (struct type **) objfile_data (objfile, rs6000_builtin_type_data);
+ struct type **negative_types = rs6000_builtin_type_data.get (objfile);
/* We recognize types numbered from -NUMBER_RECOGNIZED to -1. */
#define NUMBER_RECOGNIZED 34
/* This includes an empty slot for type number -0. */
negative_types = OBSTACK_CALLOC (&objfile->objfile_obstack,
NUMBER_RECOGNIZED + 1, struct type *);
- set_objfile_data (objfile, rs6000_builtin_type_data, negative_types);
+ rs6000_builtin_type_data.set (objfile, negative_types);
}
if (negative_types[-typenum] != NULL)
Returns 1 for success, 0 for failure. */
static int
-read_member_functions (struct field_info *fip, const char **pp,
+read_member_functions (struct stab_field_info *fip, const char **pp,
struct type *type, struct objfile *objfile)
{
int nfn_fields = 0;
look_ahead_type = NULL;
length = 0;
- new_fnlist = XCNEW (struct next_fnfieldlist);
- make_cleanup (xfree, new_fnlist);
+ new_fnlist = OBSTACK_ZALLOC (&fip->obstack, struct next_fnfieldlist);
if ((*pp)[0] == 'o' && (*pp)[1] == 'p' && is_cplus_marker ((*pp)[2]))
{
do
{
- new_sublist = XCNEW (struct next_fnfield);
- make_cleanup (xfree, new_sublist);
+ new_sublist = OBSTACK_ZALLOC (&fip->obstack, struct next_fnfield);
/* Check for and handle cretinous dbx symbol name continuation! */
if (look_ahead_type == NULL)
}
else
{
- int has_stub = 0;
int has_destructor = 0, has_other = 0;
int is_v3 = 0;
struct next_fnfield *tmp_sublist;
tmp_sublist = sublist;
while (tmp_sublist != NULL)
{
- if (tmp_sublist->fn_field.is_stub)
- has_stub = 1;
if (tmp_sublist->fn_field.physname[0] == '_'
&& tmp_sublist->fn_field.physname[1] == 'Z')
is_v3 = 1;
/* Create a new fn_fieldlist for the destructors. */
- destr_fnlist = XCNEW (struct next_fnfieldlist);
- make_cleanup (xfree, destr_fnlist);
+ destr_fnlist = OBSTACK_ZALLOC (&fip->obstack,
+ struct next_fnfieldlist);
destr_fnlist->fn_fieldlist.name
= obconcat (&objfile->objfile_obstack, "~",
"~", main_fn_name, (char *)NULL);
xfree (main_fn_name);
}
- else if (!has_stub)
- {
- char dem_opname[256];
- int ret;
-
- ret = cplus_demangle_opname (new_fnlist->fn_fieldlist.name,
- dem_opname, DMGL_ANSI);
- if (!ret)
- ret = cplus_demangle_opname (new_fnlist->fn_fieldlist.name,
- dem_opname, 0);
- if (ret)
- new_fnlist->fn_fieldlist.name
- = ((const char *)
- obstack_copy0 (&objfile->objfile_obstack, dem_opname,
- strlen (dem_opname)));
- xfree (main_fn_name);
- }
new_fnlist->fn_fieldlist.fn_fields
= OBSTACK_CALLOC (&objfile->objfile_obstack, length, fn_field);
keep parsing and it's time for error_type(). */
static int
-read_cpp_abbrev (struct field_info *fip, const char **pp, struct type *type,
- struct objfile *objfile)
+read_cpp_abbrev (struct stab_field_info *fip, const char **pp,
+ struct type *type, struct objfile *objfile)
{
const char *p;
const char *name;
}
static void
-read_one_struct_field (struct field_info *fip, const char **pp, const char *p,
- struct type *type, struct objfile *objfile)
+read_one_struct_field (struct stab_field_info *fip, const char **pp,
+ const char *p, struct type *type,
+ struct objfile *objfile)
{
struct gdbarch *gdbarch = get_objfile_arch (objfile);
fip->list->field.name
- = (const char *) obstack_copy0 (&objfile->objfile_obstack, *pp, p - *pp);
+ = obstack_strndup (&objfile->objfile_obstack, *pp, p - *pp);
*pp = p + 1;
/* This means we have a visibility for a field coming. */
Returns 1 for success, 0 for failure. */
static int
-read_struct_fields (struct field_info *fip, const char **pp, struct type *type,
- struct objfile *objfile)
+read_struct_fields (struct stab_field_info *fip, const char **pp,
+ struct type *type, struct objfile *objfile)
{
const char *p;
struct nextfield *newobj;
{
STABS_CONTINUE (pp, objfile);
/* Get space to record the next field's data. */
- newobj = XCNEW (struct nextfield);
- make_cleanup (xfree, newobj);
+ newobj = OBSTACK_ZALLOC (&fip->obstack, struct nextfield);
newobj->next = fip->list;
fip->list = newobj;
static int
-read_baseclasses (struct field_info *fip, const char **pp, struct type *type,
- struct objfile *objfile)
+read_baseclasses (struct stab_field_info *fip, const char **pp,
+ struct type *type, struct objfile *objfile)
{
int i;
struct nextfield *newobj;
for (i = 0; i < TYPE_N_BASECLASSES (type); i++)
{
- newobj = XCNEW (struct nextfield);
- make_cleanup (xfree, newobj);
+ newobj = OBSTACK_ZALLOC (&fip->obstack, struct nextfield);
newobj->next = fip->list;
fip->list = newobj;
so we can look for the vptr base class info. */
static int
-read_tilde_fields (struct field_info *fip, const char **pp, struct type *type,
- struct objfile *objfile)
+read_tilde_fields (struct stab_field_info *fip, const char **pp,
+ struct type *type, struct objfile *objfile)
{
const char *p;
}
static int
-attach_fn_fields_to_type (struct field_info *fip, struct type *type)
+attach_fn_fields_to_type (struct stab_field_info *fip, struct type *type)
{
int n;
for this class's virtual functions. */
static int
-attach_fields_to_type (struct field_info *fip, struct type *type,
+attach_fields_to_type (struct stab_field_info *fip, struct type *type,
struct objfile *objfile)
{
int nfields = 0;
read_struct_type (const char **pp, struct type *type, enum type_code type_code,
struct objfile *objfile)
{
- struct cleanup *back_to;
- struct field_info fi;
-
- fi.list = NULL;
- fi.fnlist = NULL;
+ struct stab_field_info fi;
/* When describing struct/union/class types in stabs, G++ always drops
all qualifications from the name. So if you've got:
return type;
}
- back_to = make_cleanup (null_cleanup, 0);
-
INIT_CPLUS_SPECIFIC (type);
TYPE_CODE (type) = type_code;
TYPE_STUB (type) = 0;
TYPE_LENGTH (type) = read_huge_number (pp, 0, &nbits, 0);
if (nbits != 0)
- {
- do_cleanups (back_to);
- return error_type (pp, objfile);
- }
+ return error_type (pp, objfile);
set_length_in_type_chain (type);
}
type = error_type (pp, objfile);
}
- do_cleanups (back_to);
return (type);
}
}
range_type =
- create_static_range_type ((struct type *) NULL, index_type, lower, upper);
+ create_static_range_type (NULL, index_type, lower, upper);
type = create_array_type (type, element_type, range_type);
return type;
p = *pp;
while (*p != ':')
p++;
- name = (char *) obstack_copy0 (&objfile->objfile_obstack, *pp, p - *pp);
+ name = obstack_strndup (&objfile->objfile_obstack, *pp, p - *pp);
*pp = p + 1;
n = read_huge_number (pp, ',', &nbits, 0);
if (nbits != 0)
}
result_type
- = create_static_range_type ((struct type *) NULL, index_type, n2, n3);
+ = create_static_range_type (NULL, index_type, n2, n3);
return (result_type);
}
}
common_block = *get_local_symbols ();
common_block_i = common_block ? common_block->nsyms : 0;
- common_block_name = (char *) obstack_copy0 (&objfile->objfile_obstack, name,
- strlen (name));
+ common_block_name = obstack_strdup (&objfile->objfile_obstack, name);
}
/* Process a N_ECOMM symbol. */
scan_file_globals (struct objfile *objfile)
{
int hash;
- struct minimal_symbol *msymbol;
struct symbol *sym, *prev;
struct objfile *resolve_objfile;
if (hash >= HASHSIZE)
return;
- ALL_OBJFILE_MSYMBOLS (resolve_objfile, msymbol)
+ for (minimal_symbol *msymbol : resolve_objfile->msymbols ())
{
QUIT;
void
_initialize_stabsread (void)
{
- rs6000_builtin_type_data = register_objfile_data ();
-
undef_types_allocated = 20;
undef_types_length = 0;
undef_types = XNEWVEC (struct type *, undef_types_allocated);
projects / deliverable / binutils-gdb.git / blobdiff