documentation update

4 files changed, 9 insertions, 8 deletions

diff --git a/Makefile b/Makefile
index 9e92de81..5c5d7fb2 100644
--- a/Makefile
+++ b/Makefile
@@ -158,7 +158,7 @@ ifndef AFL_NO_X86
 test_build: afl-gcc afl-as afl-showmap
 	@echo "[*] Testing the CC wrapper and instrumentation output..."
 	unset AFL_USE_ASAN AFL_USE_MSAN AFL_CC; AFL_QUIET=1 AFL_INST_RATIO=100 AFL_PATH=. ./$(TEST_CC) $(CFLAGS) test-instr.c -o test-instr $(LDFLAGS)
-	./afl-showmap -m none -q -o .test-instr0 ./test-instr </dev/null
+	./afl-showmap -m none -q -o .test-instr0 ./test-instr < /dev/null
 	echo 1 | ./afl-showmap -m none -q -o .test-instr1 ./test-instr
 	@rm -f test-instr
 	@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please ping <lcamtuf@google.com> to troubleshoot the issue."; echo; exit 1; fi
diff --git a/README.md b/README.md
index 2124b862..dff6463b 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,7 @@
 # american fuzzy lop plus plus (afl++)
 
   Release Version: 2.53c 
+
   Github Version: 2.53d
 
 
@@ -17,7 +18,7 @@
   get any improvements since November 2017.
 
   Among others afl++ has, e.g. more performant llvm_mode, supporting
-  llvm up to version 8, Qemu 3.1, more speed and crashfixes for Qemu,
+  llvm up to version 9, Qemu 3.1, more speed and crashfixes for Qemu,
   laf-intel feature for Qemu (with libcompcov) and more.
 
   Additionally the following patches have been integrated:
@@ -120,7 +121,7 @@ superior to blind fuzzing or coverage-only tools.
 PLEASE NOTE: llvm_mode compilation with afl-clang-fast/afl-clang-fast++
 instead of afl-gcc/afl-g++ is much faster and has a few cool features.
 See llvm_mode/ - however few code does not compile with llvm.
-We support llvm versions 4.0 to 8.
+We support llvm versions 3.8.0 to 9.
 
 When source code is available, instrumentation can be injected by a companion
 tool that works as a drop-in replacement for gcc or clang in any standard build
@@ -143,7 +144,7 @@ For C++ programs, you'd would also want to set `CXX=/path/to/afl/afl-g++`.
 The clang wrappers (afl-clang and afl-clang++) can be used in the same way;
 clang users may also opt to leverage a higher-performance instrumentation mode,
 as described in [llvm_mode/README.llvm](llvm_mode/README.llvm).
-Clang/LLVM has a much better performance and works with LLVM version 4.0 to 8.
+Clang/LLVM has a much better performance and works with LLVM version 3.8.0 to 9.
 
 Using the LAF Intel performance enhancements are also recommended, see 
 [llvm_mode/README.laf-intel](llvm_mode/README.laf-intel)
diff --git a/llvm_mode/Makefile b/llvm_mode/Makefile
index d01fbbdf..1c661525 100644
--- a/llvm_mode/Makefile
+++ b/llvm_mode/Makefile
@@ -27,11 +27,11 @@ VERSION     = $(shell grep '^\#define VERSION ' ../config.h | cut -d '"' -f2)
 
 LLVM_CONFIG ?= llvm-config
 LLVMVER  = $(shell $(LLVM_CONFIG) --version)
-LLVM_UNSUPPORTED = $(shell $(LLVM_CONFIG) --version | egrep -q '^9|3.0' && echo 1 || echo 0 )
+LLVM_UNSUPPORTED = $(shell $(LLVM_CONFIG) --version | egrep -q '^[12]|^3\.0|^1[0-9]' && echo 1 || echo 0 )
 LLVM_MAJOR = ($shell $(LLVM_CONFIG) --version | sed 's/\..*//')
 
 ifeq "$(LLVM_UNSUPPORTED)" "1"
-  $(warn llvm_mode only supports versions 3.8.0 up to 8.x )
+  $(warn llvm_mode only supports versions 3.8.0 up to 9 )
 endif
 
 # this is not visible yet:
@@ -174,7 +174,7 @@ endif
 test_build: $(PROGS)
 	@echo "[*] Testing the CC wrapper and instrumentation output..."
 	unset AFL_USE_ASAN AFL_USE_MSAN AFL_INST_RATIO; AFL_QUIET=1 AFL_PATH=. AFL_CC=$(CC) AFL_LLVM_LAF_SPLIT_SWITCHES=1 AFL_LLVM_LAF_TRANSFORM_COMPARES=1 AFL_LLVM_LAF_SPLIT_COMPARES=1 ../afl-clang-fast $(CFLAGS) ../test-instr.c -o test-instr $(LDFLAGS)
-	../afl-showmap -m none -q -o .test-instr0 ./test-instr </dev/null
+	../afl-showmap -m none -q -o .test-instr0 ./test-instr < /dev/null
 	echo 1 | ../afl-showmap -m none -q -o .test-instr1 ./test-instr
 	@rm -f test-instr
 	@cmp -s .test-instr0 .test-instr1; DR="$$?"; rm -f .test-instr0 .test-instr1; if [ "$$DR" = "0" ]; then echo; echo "Oops, the instrumentation does not seem to be behaving correctly!"; echo; echo "Please ping <lcamtuf@google.com> to troubleshoot the issue."; echo; exit 1; fi
diff --git a/llvm_mode/README.llvm b/llvm_mode/README.llvm
index f324b8c0..9bb091ac 100644
--- a/llvm_mode/README.llvm
+++ b/llvm_mode/README.llvm
@@ -8,7 +8,7 @@ Fast LLVM-based instrumentation for afl-fuzz
 1) Introduction
 ---------------
 
-! llvm_mode works with llvm versions 3.8.1 up to 9 !
+! llvm_mode works with llvm versions 3.8.0 up to 9 !
 
 The code in this directory allows you to instrument programs for AFL using
 true compiler-level instrumentation, instead of the more crude