chore: fill new ia32 table with -1 when there is no 64bit mapped value.

Signed-off-by: Federico Di Pierro <[email protected]>

main.go

@@ -556,13 +556,22 @@ func bumpIA32to64Map() {
 	}
 
 	writeBanner(fW)
-	_, _ = fW.WriteString("#include \"ppm_events_public.h\"\n\n")
+
+	_, _ = fW.WriteString("#include \"ppm_events_public.h\"\n")
+	_, _ = fW.WriteString(`
+/*
+ * This table is used by drivers when receiving a 32bit syscall.
+ * It is needed to convert a 32bit syscall (the array index) to a 64bit syscall value.
+ */
+`)
 	_, _ = fW.WriteString("const int g_ia32_64_map[SYSCALL_TABLE_SIZE] = {\n")
 	for x32Name, x32Nr := range x32Map {
+		x32NrStr := strconv.FormatInt(x32Nr, 10)
 		if x64Nr, ok := x64Map[x32Name]; ok {
-			x32NrStr := strconv.FormatInt(x32Nr, 10)
 			x64NrStr := strconv.FormatInt(x64Nr, 10)
 			_, _ = fW.WriteString("\t[" + x32NrStr + "] = " + x64NrStr + ",\n")
+		} else {
+			_, _ = fW.WriteString("\t[" + x32NrStr + "] = -1,\n")
 		}
 	}
 	_, _ = fW.WriteString("};\n")
@@ -584,8 +593,11 @@ func checkOverwriteRepoFile(fW *os.File, fp string) {
 }
 
 func writeBanner(fW *os.File) {
-	_, _ = fW.WriteString("/*\n")
-	_, _ = fW.WriteString(" * This file was automatically created by syscalls-bumper (https://github.com/falcosecurity/syscalls-bumper).\n")
-	_, _ = fW.WriteString(" * DO NOT EDIT THIS FILE MANUALLY.\n")
-	_, _ = fW.WriteString(" */\n\n")
+	_, _ = fW.WriteString(
+		`/*
+ * This file was automatically created by syscalls-bumper (https://github.com/falcosecurity/syscalls-bumper).")
+ * DO NOT EDIT THIS FILE MANUALLY.")
+ */
+
+`)
 }