X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=gdb%2Freggroups.c;h=5608bcc356880d18fb8797091f05d2a098ac47f7;hb=3891b65efe614fe2e2f7e75e7f5ec8964f7fd96b;hp=cbafc01d0349594f9f53f7666057cd9dab75b315;hpb=32d0add0a654c1204ab71dc8a55d9374538c4b33;p=external%2Fbinutils.git diff --git a/gdb/reggroups.c b/gdb/reggroups.c index cbafc01..5608bcc 100644 --- a/gdb/reggroups.c +++ b/gdb/reggroups.c @@ -1,6 +1,6 @@ /* Register groupings for GDB, the GNU debugger. - Copyright (C) 2002-2015 Free Software Foundation, Inc. + Copyright (C) 2002-2019 Free Software Foundation, Inc. Contributed by Red Hat. @@ -26,6 +26,7 @@ #include "regcache.h" #include "command.h" #include "gdbcmd.h" /* For maintenanceprintlist. */ +#include "gdb_obstack.h" /* Individual register groups. */ @@ -45,6 +46,20 @@ reggroup_new (const char *name, enum reggroup_type type) return group; } +/* See reggroups.h. */ + +struct reggroup * +reggroup_gdbarch_new (struct gdbarch *gdbarch, const char *name, + enum reggroup_type type) +{ + struct reggroup *group = GDBARCH_OBSTACK_ZALLOC (gdbarch, + struct reggroup); + + group->name = gdbarch_obstack_strdup (gdbarch, name); + group->type = type; + return group; +} + /* Register group attributes. */ const char * @@ -76,10 +91,9 @@ struct reggroups static struct gdbarch_data *reggroups_data; static void * -reggroups_init (struct gdbarch *gdbarch) +reggroups_init (struct obstack *obstack) { - struct reggroups *groups = GDBARCH_OBSTACK_ZALLOC (gdbarch, - struct reggroups); + struct reggroups *groups = OBSTACK_ZALLOC (obstack, struct reggroups); groups->last = &groups->first; return groups; @@ -102,15 +116,9 @@ add_group (struct reggroups *groups, struct reggroup *group, void reggroup_add (struct gdbarch *gdbarch, struct reggroup *group) { - struct reggroups *groups = gdbarch_data (gdbarch, reggroups_data); + struct reggroups *groups + = (struct reggroups *) gdbarch_data (gdbarch, reggroups_data); - if (groups == NULL) - { - /* ULGH, called during architecture initialization. Patch - things up. */ - groups = reggroups_init (gdbarch); - deprecated_set_gdbarch_data (gdbarch, reggroups_data, groups); - } add_group (groups, group, GDBARCH_OBSTACK_ZALLOC (gdbarch, struct reggroup_el)); } @@ -129,7 +137,7 @@ reggroup_next (struct gdbarch *gdbarch, struct reggroup *last) /* Don't allow this function to be called during architecture creation. If there are no groups, use the default groups list. */ - groups = gdbarch_data (gdbarch, reggroups_data); + groups = (struct reggroups *) gdbarch_data (gdbarch, reggroups_data); gdb_assert (groups != NULL); if (groups->first == NULL) groups = &default_groups; @@ -150,6 +158,35 @@ reggroup_next (struct gdbarch *gdbarch, struct reggroup *last) return NULL; } +/* See reggroups.h. */ + +struct reggroup * +reggroup_prev (struct gdbarch *gdbarch, struct reggroup *curr) +{ + struct reggroups *groups; + struct reggroup_el *el; + struct reggroup *prev; + + /* Don't allow this function to be called during architecture + creation. If there are no groups, use the default groups list. */ + groups = (struct reggroups *) gdbarch_data (gdbarch, reggroups_data); + gdb_assert (groups != NULL); + if (groups->first == NULL) + groups = &default_groups; + + prev = NULL; + for (el = groups->first; el != NULL; el = el->next) + { + gdb_assert (el->group != NULL); + if (el->group == curr) + return prev; + prev = el->group; + } + if (curr == NULL) + return prev; + return NULL; +} + /* Is REGNUM a member of REGGROUP? */ int default_register_reggroup_p (struct gdbarch *gdbarch, int regnum, @@ -165,7 +202,9 @@ default_register_reggroup_p (struct gdbarch *gdbarch, int regnum, if (group == all_reggroup) return 1; vector_p = TYPE_VECTOR (register_type (gdbarch, regnum)); - float_p = TYPE_CODE (register_type (gdbarch, regnum)) == TYPE_CODE_FLT; + float_p = (TYPE_CODE (register_type (gdbarch, regnum)) == TYPE_CODE_FLT + || (TYPE_CODE (register_type (gdbarch, regnum)) + == TYPE_CODE_DECFLOAT)); raw_p = regnum < gdbarch_num_regs (gdbarch); if (group == float_reggroup) return float_p; @@ -178,6 +217,23 @@ default_register_reggroup_p (struct gdbarch *gdbarch, int regnum, return 0; } +/* See reggroups.h. */ + +reggroup * +reggroup_find (struct gdbarch *gdbarch, const char *name) +{ + struct reggroup *group; + + for (group = reggroup_next (gdbarch, NULL); + group != NULL; + group = reggroup_next (gdbarch, group)) + { + if (strcmp (name, reggroup_name (group)) == 0) + return group; + } + return NULL; +} + /* Dump out a table of register groups for the current architecture. */ static void @@ -232,7 +288,7 @@ reggroups_dump (struct gdbarch *gdbarch, struct ui_file *file) } static void -maintenance_print_reggroups (char *args, int from_tty) +maintenance_print_reggroups (const char *args, int from_tty) { struct gdbarch *gdbarch = get_current_arch (); @@ -240,14 +296,11 @@ maintenance_print_reggroups (char *args, int from_tty) reggroups_dump (gdbarch, gdb_stdout); else { - struct cleanup *cleanups; - struct ui_file *file = gdb_fopen (args, "w"); + stdio_file file; - if (file == NULL) + if (!file.open (args, "w")) perror_with_name (_("maintenance print reggroups")); - cleanups = make_cleanup_ui_file_delete (file); - reggroups_dump (gdbarch, file); - do_cleanups (cleanups); + reggroups_dump (gdbarch, &file); } } @@ -268,12 +321,10 @@ struct reggroup *const all_reggroup = &all_group; struct reggroup *const save_reggroup = &save_group; struct reggroup *const restore_reggroup = &restore_group; -extern initialize_file_ftype _initialize_reggroup; /* -Wmissing-prototypes */ - void _initialize_reggroup (void) { - reggroups_data = gdbarch_data_register_post_init (reggroups_init); + reggroups_data = gdbarch_data_register_pre_init (reggroups_init); /* The pre-defined list of groups. */ add_group (&default_groups, general_reggroup, XNEW (struct reggroup_el));