Add platform check for `-A` CoreSight mode

REF:
https://github.com/AFLplusplus/AFLplusplus/pull/1156#discussion_r747454306

Signed-off-by: Akira Moroo <retrage01@gmail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/src/afl-showmap.c b/src/afl-showmap.c
index 57737562..0e7d9df6 100644
--- a/src/afl-showmap.c
+++ b/src/afl-showmap.c
@@ -1069,6 +1069,12 @@ int main(int argc, char **argv_orig, char **envp) {
 
         if (fsrv->cs_mode) { FATAL("Multiple -P options not supported"); }
 
+        if (!(__aarch64__ && __linux__)) {
+
+          FATAL("-P option is not supported on this platform");
+
+        }
+
         fsrv->cs_mode = true;
         break;