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-rw-r--r--src/tools/wasmdump.c9
1 files changed, 9 insertions, 0 deletions
diff --git a/src/tools/wasmdump.c b/src/tools/wasmdump.c
index feb00c5f..a9452f8f 100644
--- a/src/tools/wasmdump.c
+++ b/src/tools/wasmdump.c
@@ -147,6 +147,15 @@ int main(int argc, char** argv) {
// Perform serveral passed over the binary in order to print out different
// types of information.
s_objdump_options.print_header = 1;
+ if (!s_objdump_options.headers && !s_objdump_options.details &&
+ !s_objdump_options.disassemble && !s_objdump_options.raw) {
+ printf("At least one of the following switches must be given:\n");
+ printf(" -d/--disassemble\n");
+ printf(" -h/--headers\n");
+ printf(" -x/--details\n");
+ printf(" -s/--full-contents\n");
+ return 1;
+ }
// Pass 1: Print the section headers
if (s_objdump_options.headers) {