drop support for llvm < 6.0
MODIFY
GNUmakefile.llvm
GNUmakefile.llvm
@@ -36,7 +36,7 @@ ifeq "$(SYS)" "OpenBSD"
LLVM_CONFIG ?= $(BIN_PATH)/llvm-config
HAS_OPT = $(shell test -x $(BIN_PATH)/opt && echo 0 || echo 1)
ifeq "$(HAS_OPT)" "1"
- $(warning llvm_mode needs a complete llvm installation (versions 3.4 up to 12) -> e.g. "pkg_add llvm-7.0.1p9")
+ $(warning llvm_mode needs a complete llvm installation (versions 6.0 up to 12) -> e.g. "pkg_add llvm-7.0.1p9")
endif
else
LLVM_CONFIG ?= llvm-config
@@ -45,7 +45,7 @@ endif
LLVMVER = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/git//' | sed 's/svn//' )
LLVM_MAJOR = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/\..*//' )
LLVM_MINOR = $(shell $(LLVM_CONFIG) --version 2>/dev/null | sed 's/.*\.//' | sed 's/git//' | sed 's/svn//' | sed 's/ .*//' )
-LLVM_UNSUPPORTED = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^3\.[0-3]|^[0-2]\.' && echo 1 || echo 0 )
+LLVM_UNSUPPORTED = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^[0-5]\.' && echo 1 || echo 0 )
LLVM_TOO_NEW = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^1[3-9]' && echo 1 || echo 0 )
LLVM_NEW_API = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^1[0-9]' && echo 1 || echo 0 )
LLVM_10_OK = $(shell $(LLVM_CONFIG) --version 2>/dev/null | egrep -q '^1[1-9]|^10\.[1-9]|^10\.0.[1-9]' && echo 1 || echo 0 )
@@ -61,7 +61,7 @@ ifeq "$(LLVMVER)" ""
endif
ifeq "$(LLVM_UNSUPPORTED)" "1"
- $(error llvm_mode only supports llvm from version 3.4 onwards)
+ $(error llvm_mode only supports llvm from version 6.0 onwards)
endif
ifeq "$(LLVM_TOO_NEW)" "1"
@@ -346,7 +346,7 @@ no_build:
test_deps:
@echo "[*] Checking for working 'llvm-config'..."
ifneq "$(LLVM_APPLE_XCODE)" "1"
- @type $(LLVM_CONFIG) >/dev/null 2>&1 || ( echo "[-] Oops, can't find 'llvm-config'. Install clang or set \$$LLVM_CONFIG or \$$PATH beforehand."; echo " (Sometimes, the binary will be named llvm-config-3.5 or something like that.)"; exit 1 )
+ @type $(LLVM_CONFIG) >/dev/null 2>&1 || ( echo "[-] Oops, can't find 'llvm-config'. Install clang or set \$$LLVM_CONFIG or \$$PATH beforehand."; echo " (Sometimes, the binary will be named llvm-config-11 or something like that.)"; exit 1 )
endif
@echo "[*] Checking for working '$(CC)'..."
@type $(CC) >/dev/null 2>&1 || ( echo "[-] Oops, can't find '$(CC)'. Make sure that it's in your \$$PATH (or set \$$CC and \$$CXX)."; exit 1 )

MODIFY
README.md
README.md
@@ -84,7 +84,7 @@ behaviours and defaults:
## Important features of afl++
- afl++ supports llvm up to version 12, very fast binary fuzzing with QEMU 5.1
+ afl++ supports llvm from 6.0 up to version 12, very fast binary fuzzing with QEMU 5.1
with laf-intel and redqueen, frida mode, unicorn mode, gcc plugin, full *BSD,
Mac OS, Solaris and Android support and much, much, much more.
@@ -293,7 +293,7 @@ anything below 9 is not recommended.
|
v
+---------------------------------+
-| clang/clang++ 3.3+ is available | --> use LLVM mode (afl-clang-fast/afl-clang-fast++)
+| clang/clang++ 6.0+ is available | --> use LLVM mode (afl-clang-fast/afl-clang-fast++)
+---------------------------------+ see [instrumentation/README.llvm.md](instrumentation/README.llvm.md)
|
| if not, or if the target fails with LLVM afl-clang-fast/++

MODIFY
docs/Changelog.md
docs/Changelog.md
@@ -30,6 +30,7 @@ sending a mail to <afl-users+subscribe@googlegroups.com>.
-i dir crashes the target or results in a timeout. By default
afl++ ignores these and uses them for splicing instead.
- afl-cc:
+ - We do not support llvm versions prior 6.0 anymore
- Leak Sanitizer (AFL_USE_LSAN) added by Joshua Rogers, thanks!
- Removed InsTrim instrumentation as it is not as good as PCGUARD
- Removed automatic linking with -lc++ for LTO mode

MODIFY
instrumentation/README.llvm.md
instrumentation/README.llvm.md
## 1) Introduction
-! llvm_mode works with llvm versions 3.4 up to 12 !
+! llvm_mode works with llvm versions 6.0 up to 12 !
The code in this directory allows you to instrument programs for AFL using
true compiler-level instrumentation, instead of the more crude

drop support for llvm < 6.0