#include "annotate.h"
#include "valprint.h"
#include "source.h"
-#include "observer.h"
+#include "observable.h"
#include "vec.h"
#include "stack.h"
#include "gdb_vecs.h"
static int find_struct_field (const char *, struct type *, int,
struct type **, int *, int *, int *, int *);
-static struct value *ada_to_fixed_value_create (struct type *, CORE_ADDR,
- struct value *);
-
static int ada_resolve_function (struct block_symbol *, int,
struct value **, int, const char *,
struct type *);
ada_main_name (void)
{
struct bound_minimal_symbol msym;
- static char *main_program_name = NULL;
+ static gdb::unique_xmalloc_ptr<char> main_program_name;
/* For Ada, the name of the main procedure is stored in a specific
string constant, generated by the binder. Look for that symbol,
if (main_program_name_addr == 0)
error (_("Invalid address for Ada main program name."));
- xfree (main_program_name);
target_read_string (main_program_name_addr, &main_program_name,
1024, &err_code);
if (err_code != 0)
return NULL;
- return main_program_name;
+ return main_program_name.get ();
}
/* The main procedure doesn't seem to be in Ada. */
exp->elts[pc + 1].block = candidates[i].block;
exp->elts[pc + 2].symbol = candidates[i].symbol;
- if (innermost_block == NULL
- || contained_in (candidates[i].block, innermost_block))
- innermost_block = candidates[i].block;
+ innermost_block.update (candidates[i]);
}
if (deprocedure_p
exp->elts[pc + 4].block = candidates[i].block;
exp->elts[pc + 5].symbol = candidates[i].symbol;
- if (innermost_block == NULL
- || contained_in (candidates[i].block, innermost_block))
- innermost_block = candidates[i].block;
+ innermost_block.update (candidates[i]);
}
}
break;
return;
h = msymbol_hash (name) % HASH_SIZE;
- e = (struct cache_entry *) obstack_alloc (&sym_cache->cache_space,
- sizeof (*e));
+ e = XOBNEW (&sym_cache->cache_space, cache_entry);
e->next = sym_cache->root[h];
sym_cache->root[h] = e;
e->name = copy
searching for all symbols matching LOOKUP_NAME.
LOOKUP_NAME is expected to be a symbol name after transformation
- for Ada lookups (see ada_name_for_lookup). */
+ for Ada lookups. */
static symbol_name_match_type
name_match_type_from_name (const char *lookup_name)
/* Given a type that corresponds to a renaming entity, use the type name
to extract the scope (package name or function name, fully qualified,
and following the GNAT encoding convention) where this renaming has been
- defined. The string returned needs to be deallocated after use. */
+ defined. */
-static char *
+static std::string
xget_renaming_scope (struct type *renaming_type)
{
/* The renaming types adhere to the following convention:
const char *name = type_name_no_tag (renaming_type);
const char *suffix = strstr (name, "___XR");
const char *last;
- int scope_len;
- char *scope;
/* Now, backtrack a bit until we find the first "__". Start looking
at suffix - 3, as the <rename> part is at least one character long. */
break;
/* Make a copy of scope and return it. */
-
- scope_len = last - name;
- scope = (char *) xmalloc ((scope_len + 1) * sizeof (char));
-
- strncpy (scope, name, scope_len);
- scope[scope_len] = '\0';
-
- return scope;
+ return std::string (name, last);
}
/* Return nonzero if NAME corresponds to a package name. */
static int
old_renaming_is_invisible (const struct symbol *sym, const char *function_name)
{
- char *scope;
- struct cleanup *old_chain;
-
if (SYMBOL_CLASS (sym) != LOC_TYPEDEF)
return 0;
- scope = xget_renaming_scope (SYMBOL_TYPE (sym));
- old_chain = make_cleanup (xfree, scope);
+ std::string scope = xget_renaming_scope (SYMBOL_TYPE (sym));
/* If the rename has been defined in a package, then it is visible. */
- if (is_package_name (scope))
- {
- do_cleanups (old_chain);
- return 0;
- }
+ if (is_package_name (scope.c_str ()))
+ return 0;
/* Check that the rename is in the current function scope by checking
that its name starts with SCOPE. */
if (startswith (function_name, "_ada_"))
function_name += 5;
- {
- int is_invisible = !startswith (function_name, scope);
-
- do_cleanups (old_chain);
- return is_invisible;
- }
+ return !startswith (function_name, scope.c_str ());
}
/* Remove entries from SYMS that corresponds to a renaming entity that
domain_enum domain,
struct block_symbol *info)
{
- struct block_symbol *candidates;
- int n_candidates;
- struct cleanup *old_chain;
-
/* Since we already have an encoded name, wrap it in '<>' to force a
verbatim match. Otherwise, if the name happens to not look like
an encoded name (because it doesn't include a "__"),
std::string verbatim = std::string ("<") + name + '>';
gdb_assert (info != NULL);
- memset (info, 0, sizeof (struct block_symbol));
-
- n_candidates = ada_lookup_symbol_list (verbatim.c_str (), block,
- domain, &candidates);
- old_chain = make_cleanup (xfree, candidates);
-
- if (n_candidates == 0)
- {
- do_cleanups (old_chain);
- return;
- }
-
- *info = candidates[0];
- info->symbol = fixup_symbol_section (info->symbol, NULL);
-
- do_cleanups (old_chain);
+ *info = ada_lookup_symbol (verbatim.c_str (), block, domain, NULL);
}
/* Return a symbol in DOMAIN matching NAME, in BLOCK0 and enclosing
ada_lookup_symbol (const char *name, const struct block *block0,
domain_enum domain, int *is_a_field_of_this)
{
- struct block_symbol info;
-
if (is_a_field_of_this != NULL)
*is_a_field_of_this = 0;
- ada_lookup_encoded_symbol (ada_encode (ada_fold_name (name)),
- block0, domain, &info);
+ struct block_symbol *candidates;
+ int n_candidates;
+ struct cleanup *old_chain;
+
+ n_candidates = ada_lookup_symbol_list (name, block0, domain, &candidates);
+ old_chain = make_cleanup (xfree, candidates);
+
+ if (n_candidates == 0)
+ {
+ do_cleanups (old_chain);
+ return {};
+ }
+
+ block_symbol info = candidates[0];
+ info.symbol = fixup_symbol_section (info.symbol, NULL);
+
+ do_cleanups (old_chain);
+
return info;
}
if (completion_skip_symbol (mode, msymbol))
continue;
+ language symbol_language = MSYMBOL_LANGUAGE (msymbol);
+
+ /* Ada minimal symbols won't have their language set to Ada. If
+ we let completion_list_add_name compare using the
+ default/C-like matcher, then when completing e.g., symbols in a
+ package named "pck", we'd match internal Ada symbols like
+ "pckS", which are invalid in an Ada expression, unless you wrap
+ them in '<' '>' to request a verbatim match.
+
+ Unfortunately, some Ada encoded names successfully demangle as
+ C++ symbols (using an old mangling scheme), such as "name__2Xn"
+ -> "Xn::name(void)" and thus some Ada minimal symbols end up
+ with the wrong language set. Paper over that issue here. */
+ if (symbol_language == language_auto
+ || symbol_language == language_cplus)
+ symbol_language = language_ada;
+
completion_list_add_name (tracker,
- MSYMBOL_LANGUAGE (msymbol),
+ symbol_language,
MSYMBOL_LINKAGE_NAME (msymbol),
lookup_name, text, word);
}
return result;
}
-static char *ada_exception_catchpoint_cond_string
+static std::string ada_exception_catchpoint_cond_string
(const char *excep_string,
enum ada_exception_catchpoint_kind ex);
create_excep_cond_exprs (struct ada_catchpoint *c,
enum ada_exception_catchpoint_kind ex)
{
- struct cleanup *old_chain;
struct bp_location *bl;
- char *cond_string;
/* Nothing to do if there's no specific exception to catch. */
if (c->excep_string == NULL)
/* Compute the condition expression in text form, from the specific
expection we want to catch. */
- cond_string = ada_exception_catchpoint_cond_string (c->excep_string, ex);
- old_chain = make_cleanup (xfree, cond_string);
+ std::string cond_string
+ = ada_exception_catchpoint_cond_string (c->excep_string, ex);
/* Iterate over all the catchpoint's locations, and parse an
expression for each. */
{
const char *s;
- s = cond_string;
+ s = cond_string.c_str ();
TRY
{
exp = parse_exp_1 (&s, bl->address,
ada_loc->excep_cond_expr = std::move (exp);
}
-
- do_cleanups (old_chain);
}
/* ada_catchpoint destructor. */
case ada_catch_exception:
if (c->excep_string != NULL)
{
- char *info = xstrprintf (_("`%s' Ada exception"), c->excep_string);
- struct cleanup *old_chain = make_cleanup (xfree, info);
-
- uiout->text (info);
- do_cleanups (old_chain);
+ std::string info = string_printf (_("`%s' Ada exception"),
+ c->excep_string);
+ uiout->text (info.c_str ());
}
else
uiout->text (_("all Ada exceptions"));
bool is_catch_handlers_cmd,
enum ada_exception_catchpoint_kind *ex,
char **excep_string,
- char **cond_string)
+ std::string &cond_string)
{
struct cleanup *old_chain = make_cleanup (null_cleanup, NULL);
char *exception_name;
*ex = ada_catch_exception;
*excep_string = exception_name;
}
- *cond_string = cond;
+ if (cond != NULL)
+ cond_string.assign (cond);
}
/* Return the name of the symbol on which we should break in order to
being raised with the exception that the user wants to catch. This
assumes that this condition is used when the inferior just triggered
an exception catchpoint.
- EX: the type of catchpoints used for catching Ada exceptions.
-
- The string returned is a newly allocated string that needs to be
- deallocated later. */
+ EX: the type of catchpoints used for catching Ada exceptions. */
-static char *
+static std::string
ada_exception_catchpoint_cond_string (const char *excep_string,
enum ada_exception_catchpoint_kind ex)
{
int i;
bool is_standard_exc = false;
- const char *actual_exc_expr;
- char *ref_exc_expr;
+ std::string result;
if (ex == ada_catch_handlers)
{
/* For exception handlers catchpoints, the condition string does
not use the same parameter as for the other exceptions. */
- actual_exc_expr = ("long_integer (GNAT_GCC_exception_Access"
- "(gcc_exception).all.occurrence.id)");
+ result = ("long_integer (GNAT_GCC_exception_Access"
+ "(gcc_exception).all.occurrence.id)");
}
else
- actual_exc_expr = "long_integer (e)";
+ result = "long_integer (e)";
/* The standard exceptions are a special case. They are defined in
runtime units that have been compiled without debugging info; if
}
}
+ result += " = ";
+
if (is_standard_exc)
- ref_exc_expr = xstrprintf ("long_integer (&standard.%s)", excep_string);
+ string_appendf (result, "long_integer (&standard.%s)", excep_string);
else
- ref_exc_expr = xstrprintf ("long_integer (&%s)", excep_string);
+ string_appendf (result, "long_integer (&%s)", excep_string);
- char *result = xstrprintf ("%s = %s", actual_exc_expr, ref_exc_expr);
- xfree (ref_exc_expr);
return result;
}
create_ada_exception_catchpoint (struct gdbarch *gdbarch,
enum ada_exception_catchpoint_kind ex_kind,
char *excep_string,
- char *cond_string,
+ const std::string &cond_string,
int tempflag,
int disabled,
int from_tty)
ops, tempflag, disabled, from_tty);
c->excep_string = excep_string;
create_excep_cond_exprs (c.get (), ex_kind);
- if (cond_string != NULL)
- set_breakpoint_condition (c.get (), cond_string, from_tty);
+ if (!cond_string.empty ())
+ set_breakpoint_condition (c.get (), cond_string.c_str (), from_tty);
install_breakpoint (0, std::move (c), 1);
}
int tempflag;
enum ada_exception_catchpoint_kind ex_kind;
char *excep_string = NULL;
- char *cond_string = NULL;
+ std::string cond_string;
tempflag = get_cmd_context (command) == CATCH_TEMPORARY;
if (!arg)
arg = "";
catch_ada_exception_command_split (arg, false, &ex_kind, &excep_string,
- &cond_string);
+ cond_string);
create_ada_exception_catchpoint (gdbarch, ex_kind,
excep_string, cond_string,
tempflag, 1 /* enabled */,
int tempflag;
enum ada_exception_catchpoint_kind ex_kind;
char *excep_string = NULL;
- char *cond_string = NULL;
+ std::string cond_string;
tempflag = get_cmd_context (command) == CATCH_TEMPORARY;
if (!arg)
arg = "";
catch_ada_exception_command_split (arg, true, &ex_kind, &excep_string,
- &cond_string);
+ cond_string);
create_ada_exception_catchpoint (gdbarch, ex_kind,
excep_string, cond_string,
tempflag, 1 /* enabled */,
(the memory needs to be deallocated after use). */
static void
-catch_ada_assert_command_split (const char *args, char **cond_string)
+catch_ada_assert_command_split (const char *args, std::string &cond_string)
{
args = skip_spaces (args);
args = skip_spaces (args);
if (args[0] == '\0')
error (_("condition missing after `if' keyword"));
- *cond_string = xstrdup (args);
+ cond_string.assign (args);
}
/* Otherwise, there should be no other argument at the end of
const char *arg = arg_entry;
struct gdbarch *gdbarch = get_current_arch ();
int tempflag;
- char *cond_string = NULL;
+ std::string cond_string;
tempflag = get_cmd_context (command) == CATCH_TEMPORARY;
if (!arg)
arg = "";
- catch_ada_assert_command_split (arg, &cond_string);
+ catch_ada_assert_command_split (arg, cond_string);
create_ada_exception_catchpoint (gdbarch, ada_catch_assert,
NULL, cond_string,
tempflag, 1 /* enabled */,
comp_match_res);
}
+/* A name matcher that matches the symbol name exactly, with
+ strcmp. */
+
+static bool
+literal_symbol_name_matcher (const char *symbol_search_name,
+ const lookup_name_info &lookup_name,
+ completion_match_result *comp_match_res)
+{
+ const std::string &name = lookup_name.name ();
+
+ int cmp = (lookup_name.completion_mode ()
+ ? strncmp (symbol_search_name, name.c_str (), name.size ())
+ : strcmp (symbol_search_name, name.c_str ()));
+ if (cmp == 0)
+ {
+ if (comp_match_res != NULL)
+ comp_match_res->set_match (symbol_search_name);
+ return true;
+ }
+ else
+ return false;
+}
+
/* Implement the "la_get_symbol_name_matcher" language_defn method for
Ada. */
static symbol_name_matcher_ftype *
ada_get_symbol_name_matcher (const lookup_name_info &lookup_name)
{
+ if (lookup_name.match_type () == symbol_name_match_type::SEARCH_NAME)
+ return literal_symbol_name_matcher;
+
if (lookup_name.completion_mode ())
return ada_symbol_name_matches;
else
ada_read_var_value, /* la_read_var_value */
NULL, /* Language specific skip_trampoline */
NULL, /* name_of_this */
+ true, /* la_store_sym_names_in_linkage_form_p */
ada_lookup_symbol_nonlocal, /* Looking up non-local symbols. */
basic_lookup_transparent_type, /* lookup_transparent_type */
ada_la_decode, /* Language specific symbol demangler */
CATCH_TEMPORARY);
varsize_limit = 65536;
+ add_setshow_uinteger_cmd ("varsize-limit", class_support,
+ &varsize_limit, _("\
+Set the maximum number of bytes allowed in a variable-size object."), _("\
+Show the maximum number of bytes allowed in a variable-size object."), _("\
+Attempts to access an object whose size is not a compile-time constant\n\
+and exceeds this limit will cause an error."),
+ NULL, NULL, &setlist, &showlist);
add_info ("exceptions", info_exceptions_command,
_("\
DWARF attribute."),
NULL, NULL, &maint_set_ada_cmdlist, &maint_show_ada_cmdlist);
- decoded_names_store = htab_create_alloc
- (256, htab_hash_string, (int (*)(const void *, const void *)) streq,
- NULL, xcalloc, xfree);
+ decoded_names_store = htab_create_alloc (256, htab_hash_string, streq_hash,
+ NULL, xcalloc, xfree);
/* The ada-lang observers. */
- observer_attach_new_objfile (ada_new_objfile_observer);
- observer_attach_free_objfile (ada_free_objfile_observer);
- observer_attach_inferior_exit (ada_inferior_exit);
+ gdb::observers::new_objfile.attach (ada_new_objfile_observer);
+ gdb::observers::free_objfile.attach (ada_free_objfile_observer);
+ gdb::observers::inferior_exit.attach (ada_inferior_exit);
/* Setup various context-specific data. */
ada_inferior_data
projects / binutils-gdb.git / blobdiff