about summary refs log tree commit diff
diff options
context:
space:
mode:
-rw-r--r--.gitignore1
-rw-r--r--docs/env_variables.txt4
2 files changed, 5 insertions, 0 deletions
diff --git a/.gitignore b/.gitignore
index 70acb8da..b3498329 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,3 +1,4 @@
+*.o
 .gitignore
 afl-analyze
 afl-as
diff --git a/docs/env_variables.txt b/docs/env_variables.txt
index 338df36f..1d035c68 100644
--- a/docs/env_variables.txt
+++ b/docs/env_variables.txt
@@ -243,6 +243,10 @@ The QEMU wrapper used to instrument binary-only code supports several settings:
 
   - Setting AFL_INST_LIBS causes the translator to also instrument the code
     inside any dynamically linked libraries (notably including glibc).
+  
+  - Setting AFL_QEMU_COMPCOV enables the CompareCoverage tracing of all
+    cmp and sub in x86 and x86_64. Support for other architectures and
+    comparison functions (mem/strcmp et al.) is planned.
 
   - The underlying QEMU binary will recognize any standard "user space
     emulation" variables (e.g., QEMU_STACK_SIZE), but there should be no