diff options
Diffstat (limited to 'gcc/ctfout.cc')
| -rw-r--r-- | gcc/ctfout.cc | 24 |
1 files changed, 17 insertions, 7 deletions
diff --git a/gcc/ctfout.cc b/gcc/ctfout.cc index 28a873b..3cf89b9 100644 --- a/gcc/ctfout.cc +++ b/gcc/ctfout.cc @@ -212,6 +212,13 @@ ctf_dvd_preprocess_cb (ctf_dvdef_ref * slot, void * arg) ctf_dvdef_ref var = (ctf_dvdef_ref) *slot; ctf_container_ref arg_ctfc = dvd_arg->dvd_arg_ctfc; + /* If the CTF variable corresponds to an extern variable declaration with + a defining declaration later on, skip it. Only CTF variable + corresponding to the defining declaration for the extern variable is + desirable. */ + if (ctf_dvd_ignore_lookup (arg_ctfc, var->dvd_key)) + return 1; + ctf_preprocess_var (arg_ctfc, var); /* Keep track of global objts. */ @@ -276,16 +283,16 @@ static void ctf_preprocess (ctf_container_ref ctfc) { size_t num_ctf_types = ctfc->ctfc_types->elements (); + size_t num_ctf_vars = ctfc_get_num_ctf_vars (ctfc); /* Initialize an array to keep track of the CTF variables at global - scope. */ - size_t num_global_objts = ctfc->ctfc_num_global_objts; + scope. At this time, size it conservatively. */ + size_t num_global_objts = num_ctf_vars; if (num_global_objts) { ctfc->ctfc_gobjts_list = ggc_vec_alloc<ctf_dvdef_t*>(num_global_objts); } - size_t num_ctf_vars = ctfc_get_num_ctf_vars (ctfc); if (num_ctf_vars) { ctf_dvd_preprocess_arg_t dvd_arg; @@ -299,8 +306,11 @@ ctf_preprocess (ctf_container_ref ctfc) list for sorting. */ ctfc->ctfc_vars->traverse<void *, ctf_dvd_preprocess_cb> (&dvd_arg); /* Sort the list. */ - qsort (ctfc->ctfc_vars_list, num_ctf_vars, sizeof (ctf_dvdef_ref), - ctf_varent_compare); + qsort (ctfc->ctfc_vars_list, ctfc->ctfc_vars_list_count, + sizeof (ctf_dvdef_ref), ctf_varent_compare); + /* Update the actual number of the generated CTF variables at global + scope. */ + ctfc->ctfc_num_global_objts = dvd_arg.dvd_global_obj_idx; } /* Initialize an array to keep track of the CTF functions types for global @@ -476,7 +486,7 @@ output_ctf_header (ctf_container_ref ctfc) /* Vars appear after function index. */ varoff = funcidxoff + ctfc->ctfc_num_global_funcs * sizeof (uint32_t); /* CTF types appear after vars. */ - typeoff = varoff + ctfc_get_num_ctf_vars (ctfc) * sizeof (ctf_varent_t); + typeoff = varoff + (ctfc->ctfc_vars_list_count) * sizeof (ctf_varent_t); /* The total number of bytes for CTF types is the sum of the number of times struct ctf_type_t, struct ctf_stype_t are written, plus the amount of variable length data after each one of these. */ @@ -595,7 +605,7 @@ static void output_ctf_vars (ctf_container_ref ctfc) { size_t i; - size_t num_ctf_vars = ctfc_get_num_ctf_vars (ctfc); + unsigned int num_ctf_vars = ctfc->ctfc_vars_list_count; if (num_ctf_vars) { /* Iterate over the list of sorted vars and output the asm. */ |