X-Git-Url: http://drtracing.org/?a=blobdiff_plain;f=gdb%2Fcp-abi.c;h=bcbb778e1aeb67118898b7e47b87bfc87ef95f8c;hb=112e8700a6fd2fed65ca70132c9cbed4132e8bd4;hp=e949088f39690e34b200f615c82e0623b2ac6058;hpb=bfd189b164f4f35510573c3b18f194e5613fe1cb;p=deliverable%2Fbinutils-gdb.git diff --git a/gdb/cp-abi.c b/gdb/cp-abi.c index e949088f39..bcbb778e1a 100644 --- a/gdb/cp-abi.c +++ b/gdb/cp-abi.c @@ -1,6 +1,6 @@ /* Generic code for supporting multiple C++ ABI's - Copyright (C) 2001-2003, 2005-2012 Free Software Foundation, Inc. + Copyright (C) 2001-2016 Free Software Foundation, Inc. This file is part of GDB. @@ -21,12 +21,8 @@ #include "value.h" #include "cp-abi.h" #include "command.h" -#include "exceptions.h" #include "gdbcmd.h" #include "ui-out.h" -#include "gdb_assert.h" -#include "gdb_string.h" - static struct cp_abi_ops *find_cp_abi (const char *short_name); static struct cp_abi_ops current_cp_abi = { "", NULL }; @@ -70,29 +66,31 @@ is_operator_name (const char *name) int baseclass_offset (struct type *type, int index, const gdb_byte *valaddr, - int embedded_offset, CORE_ADDR address, + LONGEST embedded_offset, CORE_ADDR address, const struct value *val) { - volatile struct gdb_exception ex; int res = 0; gdb_assert (current_cp_abi.baseclass_offset != NULL); - TRY_CATCH (ex, RETURN_MASK_ERROR) + TRY { res = (*current_cp_abi.baseclass_offset) (type, index, valaddr, embedded_offset, address, val); } + CATCH (ex, RETURN_MASK_ERROR) + { + if (ex.error != NOT_AVAILABLE_ERROR) + throw_exception (ex); + + throw_error (NOT_AVAILABLE_ERROR, + _("Cannot determine virtual baseclass offset " + "of incomplete object")); + } + END_CATCH - if (ex.reason < 0 && ex.error == NOT_AVAILABLE_ERROR) - throw_error (NOT_AVAILABLE_ERROR, - _("Cannot determine virtual baseclass offset " - "of incomplete object")); - else if (ex.reason < 0) - throw_exception (ex); - else - return res; + return res; } struct value * @@ -108,19 +106,22 @@ value_virtual_fn_field (struct value **arg1p, struct type * value_rtti_type (struct value *v, int *full, - int *top, int *using_enc) + LONGEST *top, int *using_enc) { struct type *ret = NULL; - volatile struct gdb_exception e; if ((current_cp_abi.rtti_type) == NULL) return NULL; - TRY_CATCH (e, RETURN_MASK_ERROR) + TRY { ret = (*current_cp_abi.rtti_type) (v, full, top, using_enc); } - if (e.reason < 0) - return NULL; + CATCH (e, RETURN_MASK_ERROR) + { + return NULL; + } + END_CATCH + return ret; } @@ -169,6 +170,57 @@ cplus_method_ptr_to_value (struct value **this_p, return (*current_cp_abi.method_ptr_to_value) (this_p, method_ptr); } +/* See cp-abi.h. */ + +void +cplus_print_vtable (struct value *value) +{ + if (current_cp_abi.print_vtable == NULL) + error (_("GDB cannot print the vtable on this target")); + (*current_cp_abi.print_vtable) (value); +} + +/* See cp-abi.h. */ + +struct value * +cplus_typeid (struct value *value) +{ + if (current_cp_abi.get_typeid == NULL) + error (_("GDB cannot find the typeid on this target")); + return (*current_cp_abi.get_typeid) (value); +} + +/* See cp-abi.h. */ + +struct type * +cplus_typeid_type (struct gdbarch *gdbarch) +{ + if (current_cp_abi.get_typeid_type == NULL) + error (_("GDB cannot find the type for 'typeid' on this target")); + return (*current_cp_abi.get_typeid_type) (gdbarch); +} + +/* See cp-abi.h. */ + +struct type * +cplus_type_from_type_info (struct value *value) +{ + if (current_cp_abi.get_type_from_type_info == NULL) + error (_("GDB cannot find the type from a std::type_info on this target")); + return (*current_cp_abi.get_type_from_type_info) (value); +} + +/* See cp-abi.h. */ + +std::string +cplus_typename_from_type_info (struct value *value) +{ + if (current_cp_abi.get_typename_from_type_info == NULL) + error (_("GDB cannot find the type name " + "from a std::type_info on this target")); + return (*current_cp_abi.get_typename_from_type_info) (value); +} + int cp_pass_by_reference (struct type *type) { @@ -265,7 +317,7 @@ list_cp_abis (int from_tty) struct cleanup *cleanup_chain; int i; - ui_out_text (uiout, "The available C++ ABIs are:\n"); + uiout->text ("The available C++ ABIs are:\n"); cleanup_chain = make_cleanup_ui_out_tuple_begin_end (uiout, "cp-abi-list"); for (i = 0; i < num_cp_abis; i++) @@ -273,17 +325,17 @@ list_cp_abis (int from_tty) char pad[14]; int padcount; - ui_out_text (uiout, " "); - ui_out_field_string (uiout, "cp-abi", cp_abis[i]->shortname); + uiout->text (" "); + uiout->field_string ("cp-abi", cp_abis[i]->shortname); padcount = 16 - 2 - strlen (cp_abis[i]->shortname); pad[padcount] = 0; while (padcount > 0) pad[--padcount] = ' '; - ui_out_text (uiout, pad); + uiout->text (pad); - ui_out_field_string (uiout, "doc", cp_abis[i]->doc); - ui_out_text (uiout, "\n"); + uiout->field_string ("doc", cp_abis[i]->doc); + uiout->text ("\n"); } do_cleanups (cleanup_chain); } @@ -304,6 +356,27 @@ set_cp_abi_cmd (char *args, int from_tty) error (_("Could not find \"%s\" in ABI list"), args); } +/* A completion function for "set cp-abi". */ + +static VEC (char_ptr) * +cp_abi_completer (struct cmd_list_element *ignore, + const char *text, const char *word) +{ + static const char **cp_abi_names; + + if (cp_abi_names == NULL) + { + int i; + + cp_abi_names = XNEWVEC (const char *, num_cp_abis + 1); + for (i = 0; i < num_cp_abis; ++i) + cp_abi_names[i] = cp_abis[i]->shortname; + cp_abi_names[i] = NULL; + } + + return complete_on_enum (cp_abi_names, text, word); +} + /* Show the currently selected C++ ABI. */ static void @@ -311,12 +384,12 @@ show_cp_abi_cmd (char *args, int from_tty) { struct ui_out *uiout = current_uiout; - ui_out_text (uiout, "The currently selected C++ ABI is \""); + uiout->text ("The currently selected C++ ABI is \""); - ui_out_field_string (uiout, "cp-abi", current_cp_abi.shortname); - ui_out_text (uiout, "\" ("); - ui_out_field_string (uiout, "longname", current_cp_abi.longname); - ui_out_text (uiout, ").\n"); + uiout->field_string ("cp-abi", current_cp_abi.shortname); + uiout->text ("\" ("); + uiout->field_string ("longname", current_cp_abi.longname); + uiout->text (").\n"); } extern initialize_file_ftype _initialize_cp_abi; /* -Wmissing-prototypes */ @@ -324,13 +397,16 @@ extern initialize_file_ftype _initialize_cp_abi; /* -Wmissing-prototypes */ void _initialize_cp_abi (void) { + struct cmd_list_element *c; + register_cp_abi (&auto_cp_abi); switch_to_cp_abi ("auto"); - add_cmd ("cp-abi", class_obscure, set_cp_abi_cmd, _("\ + c = add_cmd ("cp-abi", class_obscure, set_cp_abi_cmd, _("\ Set the ABI used for inspecting C++ objects.\n\ \"set cp-abi\" with no arguments will list the available ABIs."), - &setlist); + &setlist); + set_cmd_completer (c, cp_abi_completer); add_cmd ("cp-abi", class_obscure, show_cp_abi_cmd, _("Show the ABI used for inspecting C++ objects."),