diff --git a/src/main.cpp b/src/main.cpp
index d95ad65..d9bfb78 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -732,7 +732,7 @@ bool read_symbols(RecompPort::Context& context, const ELFIO::elfio& elf_file, EL
             continue;
         }
 
-        if (section_index < context.sections.size()) {        
+        if (section_index < context.sections.size()) {
             // Check if this symbol is the entrypoint
             if (has_entrypoint && value == entrypoint && type == ELFIO::STT_FUNC) {
                 if (found_entrypoint_func) {
@@ -795,13 +795,18 @@ bool read_symbols(RecompPort::Context& context, const ELFIO::elfio& elf_file, EL
                         }
                     }
 
+                    if (!ignored && type == ELFIO::STT_FUNC && num_instructions == 0 && bind != ELFIO::STB_WEAK) {
+                        // TODO: functions ignored on the toml file do not silence this warning
+                        fmt::print(stderr, "[WARN] Function '{}' has zero size.\n", name);
+                    }
+
                     // Suffix local symbols to prevent name conflicts.
                     if (bind == ELFIO::STB_LOCAL) {
                         name = fmt::format("{}_{:08X}", name, rom_address);
                     }
-                    
+
                     if (num_instructions > 0) {
-                        context.section_functions[section_index].push_back(context.functions.size());            
+                        context.section_functions[section_index].push_back(context.functions.size());
                         recorded_symbol = true;
                     }
                     context.functions_by_name[name] = context.functions.size();
diff --git a/src/recompilation.cpp b/src/recompilation.cpp
index d9bf139..8bd8582 100644
--- a/src/recompilation.cpp
+++ b/src/recompilation.cpp
@@ -247,7 +247,7 @@ bool process_instruction(const RecompPort::Context& context, const RecompPort::C
             // FIXME: how to deal with static functions?
             if (context.functions_by_vram.find(branch_target) != context.functions_by_vram.end()) {
                 fmt::print(output_file, "{{\n    ");
-                fmt::print("Tail call in {} to 0x{:08X}\n", func.name, branch_target);
+                fmt::print("[INFO] Tail call in {} to 0x{:08X}\n", func.name, branch_target);
                 print_func_call(branch_target, false, true);
                 print_line("    return");
                 fmt::print(output_file, "    }}\n");
@@ -612,7 +612,7 @@ bool process_instruction(const RecompPort::Context& context, const RecompPort::C
             // ```
             // FIXME: how to deal with static functions?
             else if (context.functions_by_vram.find(branch_target) != context.functions_by_vram.end()) {
-                fmt::print("Tail call in {} to 0x{:08X}\n", func.name, branch_target);
+                fmt::print("[INFO] Tail call in {} to 0x{:08X}\n", func.name, branch_target);
                 print_func_call(branch_target, false);
                 print_line("return");
             }
@@ -667,13 +667,13 @@ bool process_instruction(const RecompPort::Context& context, const RecompPort::C
 
             bool is_tail_call = instr_vram == func_vram_end - 2 * sizeof(func.words[0]);
             if (is_tail_call) {
-                fmt::print("Indirect tail call in {}\n", func.name);
+                fmt::print("[INFO] Indirect tail call in {}\n", func.name);
                 print_unconditional_branch("LOOKUP_FUNC({}{})(rdram, ctx)", ctx_gpr_prefix(rs), rs);
                 print_line("return");
                 break;
             }
 
-            fmt::print(stderr, "No jump table found for jr at 0x{:08X} and not tail call\n", instr_vram);
+            fmt::print(stderr, "[WARN] No jump table found for jr at 0x{:08X} and not tail call\n", instr_vram);
         }
         break;
     case InstrId::cpu_syscall: