callsite: support instruction pointer field
[babeltrace.git] / formats / ctf / metadata / ctf-visitor-generate-io-struct.c
index af75788aa92dedfd9794ea9b2f80473330e23cca..de9986113de508f36bfe66ac5950c6786da728ef 100644 (file)
@@ -2433,6 +2433,175 @@ void clock_free(gpointer data)
        g_free(clock);
 }
 
+static
+int ctf_callsite_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
+               struct ctf_callsite *callsite, struct ctf_trace *trace)
+{
+       int ret = 0;
+
+       switch (node->type) {
+       case NODE_CTF_EXPRESSION:
+       {
+               char *left;
+
+               left = concatenate_unary_strings(&node->u.ctf_expression.left);
+               if (!strcmp(left, "name")) {
+                       char *right;
+
+                       if (CTF_CALLSITE_FIELD_IS_SET(callsite, name)) {
+                               fprintf(fd, "[error] %s: name already declared in callsite declaration\n", __func__);
+                               ret = -EPERM;
+                               goto error;
+                       }
+                       right = concatenate_unary_strings(&node->u.ctf_expression.right);
+                       if (!right) {
+                               fprintf(fd, "[error] %s: unexpected unary expression for callsite name\n", __func__);
+                               ret = -EINVAL;
+                               goto error;
+                       }
+                       callsite->name = g_quark_from_string(right);
+                       g_free(right);
+                       CTF_CALLSITE_SET_FIELD(callsite, name);
+               } else if (!strcmp(left, "func")) {
+                       char *right;
+
+                       if (CTF_CALLSITE_FIELD_IS_SET(callsite, func)) {
+                               fprintf(fd, "[error] %s: func already declared in callsite declaration\n", __func__);
+                               ret = -EPERM;
+                               goto error;
+                       }
+                       right = concatenate_unary_strings(&node->u.ctf_expression.right);
+                       if (!right) {
+                               fprintf(fd, "[error] %s: unexpected unary expression for callsite func\n", __func__);
+                               ret = -EINVAL;
+                               goto error;
+                       }
+                       callsite->func = right;
+                       CTF_CALLSITE_SET_FIELD(callsite, func);
+               } else if (!strcmp(left, "file")) {
+                       char *right;
+
+                       if (CTF_CALLSITE_FIELD_IS_SET(callsite, file)) {
+                               fprintf(fd, "[error] %s: file already declared in callsite declaration\n", __func__);
+                               ret = -EPERM;
+                               goto error;
+                       }
+                       right = concatenate_unary_strings(&node->u.ctf_expression.right);
+                       if (!right) {
+                               fprintf(fd, "[error] %s: unexpected unary expression for callsite file\n", __func__);
+                               ret = -EINVAL;
+                               goto error;
+                       }
+                       callsite->file = right;
+                       CTF_CALLSITE_SET_FIELD(callsite, file);
+               } else if (!strcmp(left, "line")) {
+                       if (CTF_CALLSITE_FIELD_IS_SET(callsite, line)) {
+                               fprintf(fd, "[error] %s: line already declared in callsite declaration\n", __func__);
+                               ret = -EPERM;
+                               goto error;
+                       }
+                       ret = get_unary_unsigned(&node->u.ctf_expression.right, &callsite->line);
+                       if (ret) {
+                               fprintf(fd, "[error] %s: unexpected unary expression for callsite line\n", __func__);
+                               ret = -EINVAL;
+                               goto error;
+                       }
+                       CTF_CALLSITE_SET_FIELD(callsite, line);
+               } else if (!strcmp(left, "ip")) {
+                       if (CTF_CALLSITE_FIELD_IS_SET(callsite, ip)) {
+                               fprintf(fd, "[error] %s: ip already declared in callsite declaration\n", __func__);
+                               ret = -EPERM;
+                               goto error;
+                       }
+                       ret = get_unary_unsigned(&node->u.ctf_expression.right, &callsite->ip);
+                       if (ret) {
+                               fprintf(fd, "[error] %s: unexpected unary expression for callsite ip\n", __func__);
+                               ret = -EINVAL;
+                               goto error;
+                       }
+                       CTF_CALLSITE_SET_FIELD(callsite, ip);
+               } else {
+                       fprintf(fd, "[warning] %s: attribute \"%s\" is unknown in callsite declaration.\n", __func__, left);
+               }
+
+error:
+               g_free(left);
+               break;
+       }
+       default:
+               return -EPERM;
+       /* TODO: declaration specifier should be added. */
+       }
+
+       return ret;
+}
+
+static
+int ctf_callsite_visit(FILE *fd, int depth, struct ctf_node *node, struct ctf_trace *trace)
+{
+       int ret = 0;
+       struct ctf_node *iter;
+       struct ctf_callsite *callsite;
+       struct ctf_callsite_dups *cs_dups;
+
+       callsite = g_new0(struct ctf_callsite, 1);
+       bt_list_for_each_entry(iter, &node->u.callsite.declaration_list, siblings) {
+               ret = ctf_callsite_declaration_visit(fd, depth + 1, iter, callsite, trace);
+               if (ret)
+                       goto error;
+       }
+       if (!CTF_CALLSITE_FIELD_IS_SET(callsite, name)) {
+               ret = -EPERM;
+               fprintf(fd, "[error] %s: missing name field in callsite declaration\n", __func__);
+               goto error;
+       }
+       if (!CTF_CALLSITE_FIELD_IS_SET(callsite, func)) {
+               ret = -EPERM;
+               fprintf(fd, "[error] %s: missing func field in callsite declaration\n", __func__);
+               goto error;
+       }
+       if (!CTF_CALLSITE_FIELD_IS_SET(callsite, file)) {
+               ret = -EPERM;
+               fprintf(fd, "[error] %s: missing file field in callsite declaration\n", __func__);
+               goto error;
+       }
+       if (!CTF_CALLSITE_FIELD_IS_SET(callsite, line)) {
+               ret = -EPERM;
+               fprintf(fd, "[error] %s: missing line field in callsite declaration\n", __func__);
+               goto error;
+       }
+
+       cs_dups = g_hash_table_lookup(trace->callsites,
+               (gpointer) (unsigned long) callsite->name);
+       if (!cs_dups) {
+               cs_dups = g_new0(struct ctf_callsite_dups, 1);
+               BT_INIT_LIST_HEAD(&cs_dups->head);
+               g_hash_table_insert(trace->callsites,
+                       (gpointer) (unsigned long) callsite->name, cs_dups);
+       }
+       bt_list_add_tail(&callsite->node, &cs_dups->head);
+       return 0;
+
+error:
+       g_free(callsite->func);
+       g_free(callsite->file);
+       g_free(callsite);
+       return ret;
+}
+
+static
+void callsite_free(gpointer data)
+{
+       struct ctf_callsite_dups *cs_dups = data;
+       struct ctf_callsite *callsite, *cs_n;
+
+       bt_list_for_each_entry_safe(callsite, cs_n, &cs_dups->head, node) {
+               g_free(callsite->func);
+               g_free(callsite->file);
+               g_free(callsite);
+       }
+}
+
 static
 int ctf_env_declaration_visit(FILE *fd, int depth, struct ctf_node *node,
                struct ctf_trace *trace)
@@ -2665,6 +2834,8 @@ int ctf_visitor_construct_metadata(FILE *fd, int depth, struct ctf_node *node,
        trace->byte_order = byte_order;
        trace->clocks = g_hash_table_new_full(g_direct_hash, g_direct_equal,
                                NULL, clock_free);
+       trace->callsites = g_hash_table_new_full(g_direct_hash, g_direct_equal,
+                               NULL, callsite_free);
 
 retry:
        trace->root_declaration_scope = new_declaration_scope(NULL);
@@ -2714,6 +2885,14 @@ retry:
                                goto error;
                        }
                }
+               bt_list_for_each_entry(iter, &node->u.root.callsite, siblings) {
+                       ret = ctf_callsite_visit(fd, depth + 1, iter,
+                                             trace);
+                       if (ret) {
+                               fprintf(fd, "[error] %s: callsite declaration error\n", __func__);
+                               goto error;
+                       }
+               }
                if (!trace->streams) {
                        fprintf(fd, "[error] %s: missing trace declaration\n", __func__);
                        ret = -EINVAL;
@@ -2755,6 +2934,7 @@ retry:
 
 error:
        free_declaration_scope(trace->root_declaration_scope);
+       g_hash_table_destroy(trace->callsites);
        g_hash_table_destroy(trace->clocks);
        return ret;
 }
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