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authorvanhauser-thc <vh@thc.org>2020-09-05 12:11:48 +0200
committervanhauser-thc <vh@thc.org>2020-09-05 12:11:48 +0200
commit996986bed5f2dd97a3d76f584d8eddc1203f8396 (patch)
tree245d4b208ecb1dcf38c34987aabbd8e44c2703c9 /instrumentation/afl-llvm-rt-lto.o.c
parentfac108476c1cb5326cf4339b2a4c846828698816 (diff)
downloadafl++-996986bed5f2dd97a3d76f584d8eddc1203f8396.tar.gz
first batch of changes
Diffstat (limited to 'instrumentation/afl-llvm-rt-lto.o.c')
-rw-r--r--instrumentation/afl-llvm-rt-lto.o.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/instrumentation/afl-llvm-rt-lto.o.c b/instrumentation/afl-llvm-rt-lto.o.c
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+++ b/instrumentation/afl-llvm-rt-lto.o.c
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+/*
+   american fuzzy lop++ - LLVM instrumentation bootstrap
+   -----------------------------------------------------
+
+   Licensed under the Apache License, Version 2.0 (the "License");
+   you may not use this file except in compliance with the License.
+   You may obtain a copy of the License at:
+
+     http://www.apache.org/licenses/LICENSE-2.0
+
+*/
+
+#include <stdio.h>
+#include <stdlib.h>
+
+// to prevent the function from being removed
+unsigned char __afl_lto_mode = 0;
+
+/* Proper initialization routine. */
+
+__attribute__((constructor(0))) void __afl_auto_init_globals(void) {
+
+  if (getenv("AFL_DEBUG")) fprintf(stderr, "[__afl_auto_init_globals]\n");
+  __afl_lto_mode = 1;
+
+}
+