From f37b313d5cafbed4e724db4724d1ab567b373be4 Mon Sep 17 00:00:00 2001 From: Tom Tromey Date: Wed, 1 May 2019 15:18:31 -0600 Subject: [PATCH] Convert ada-lang.c to type-safe registry API This changes ada-lang.c to use the type-safe registry API. gdb/ChangeLog 2019-05-08 Tom Tromey * ada-lang.c (struct ada_inferior_data): Add initializers. (ada_inferior_data): Change type. (ada_inferior_data_cleanup): Remove. (get_ada_inferior_data, ada_inferior_exit) (struct ada_pspace_data): Add initializers, destructor. (ada_pspace_data_handle): Change type. (get_ada_pspace_data): Update. (ada_pspace_data_cleanup): Remove. --- gdb/ChangeLog | 11 +++++++++ gdb/ada-lang.c | 63 +++++++++++++------------------------------------- 2 files changed, 27 insertions(+), 47 deletions(-) diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 5677e336351..4e6762afbcf 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,3 +1,14 @@ +2019-05-08 Tom Tromey + + * ada-lang.c (struct ada_inferior_data): Add initializers. + (ada_inferior_data): Change type. + (ada_inferior_data_cleanup): Remove. + (get_ada_inferior_data, ada_inferior_exit) + (struct ada_pspace_data): Add initializers, destructor. + (ada_pspace_data_handle): Change type. + (get_ada_pspace_data): Update. + (ada_pspace_data_cleanup): Remove. + 2019-05-08 Tom Tromey * coffread.c (struct coff_symfile_info): Add initializers. diff --git a/gdb/ada-lang.c b/gdb/ada-lang.c index 20fb3497c03..e513280a415 100644 --- a/gdb/ada-lang.c +++ b/gdb/ada-lang.c @@ -378,27 +378,16 @@ struct ada_inferior_data tagged types. With older versions of GNAT, this type was directly accessible through a component ("tsd") in the object tag. But this is no longer the case, so we cache it for each inferior. */ - struct type *tsd_type; + struct type *tsd_type = nullptr; /* The exception_support_info data. This data is used to determine how to implement support for Ada exception catchpoints in a given inferior. */ - const struct exception_support_info *exception_info; + const struct exception_support_info *exception_info = nullptr; }; /* Our key to this module's inferior data. */ -static const struct inferior_data *ada_inferior_data; - -/* A cleanup routine for our inferior data. */ -static void -ada_inferior_data_cleanup (struct inferior *inf, void *arg) -{ - struct ada_inferior_data *data; - - data = (struct ada_inferior_data *) inferior_data (inf, ada_inferior_data); - if (data != NULL) - xfree (data); -} +static const struct inferior_key ada_inferior_data; /* Return our inferior data for the given inferior (INF). @@ -413,12 +402,9 @@ get_ada_inferior_data (struct inferior *inf) { struct ada_inferior_data *data; - data = (struct ada_inferior_data *) inferior_data (inf, ada_inferior_data); + data = ada_inferior_data.get (inf); if (data == NULL) - { - data = XCNEW (struct ada_inferior_data); - set_inferior_data (inf, ada_inferior_data, data); - } + data = ada_inferior_data.emplace (inf); return data; } @@ -429,8 +415,7 @@ get_ada_inferior_data (struct inferior *inf) static void ada_inferior_exit (struct inferior *inf) { - ada_inferior_data_cleanup (inf, NULL); - set_inferior_data (inf, ada_inferior_data, NULL); + ada_inferior_data.clear (inf); } @@ -439,12 +424,18 @@ ada_inferior_exit (struct inferior *inf) /* This module's per-program-space data. */ struct ada_pspace_data { + ~ada_pspace_data () + { + if (sym_cache != NULL) + ada_free_symbol_cache (sym_cache); + } + /* The Ada symbol cache. */ - struct ada_symbol_cache *sym_cache; + struct ada_symbol_cache *sym_cache = nullptr; }; /* Key to our per-program-space data. */ -static const struct program_space_data *ada_pspace_data_handle; +static const struct program_space_key ada_pspace_data_handle; /* Return this module's data for the given program space (PSPACE). If not is found, add a zero'ed one now. @@ -456,29 +447,13 @@ get_ada_pspace_data (struct program_space *pspace) { struct ada_pspace_data *data; - data = ((struct ada_pspace_data *) - program_space_data (pspace, ada_pspace_data_handle)); + data = ada_pspace_data_handle.get (pspace); if (data == NULL) - { - data = XCNEW (struct ada_pspace_data); - set_program_space_data (pspace, ada_pspace_data_handle, data); - } + data = ada_pspace_data_handle.emplace (pspace); return data; } -/* The cleanup callback for this module's per-program-space data. */ - -static void -ada_pspace_data_cleanup (struct program_space *pspace, void *data) -{ - struct ada_pspace_data *pspace_data = (struct ada_pspace_data *) data; - - if (pspace_data->sym_cache != NULL) - ada_free_symbol_cache (pspace_data->sym_cache); - xfree (pspace_data); -} - /* Utilities */ /* If TYPE is a TYPE_CODE_TYPEDEF type, return the target type after @@ -14648,10 +14623,4 @@ DWARF attribute."), 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 - = register_inferior_data_with_cleanup (NULL, ada_inferior_data_cleanup); - ada_pspace_data_handle - = register_program_space_data_with_cleanup (NULL, ada_pspace_data_cleanup); } -- 2.30.2