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fix afl-clang-fast for default pcguard mode

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This commit is contained in:
van Hauser 2020-06-19 14:21:34 +02:00
parent 758f136d3e
commit 2a254fce8f
3 changed files with 26 additions and 19 deletions
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1
include/config.h
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@ -397,6 +397,5 @@
// #define IGNORE_FINDS
#endif /* ! _HAVE_CONFIG_H */

34
llvm_mode/GNUmakefile
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@ -213,7 +213,13 @@ CXXFLAGS ?= -O3 -funroll-loops -fpic -D_FORTIFY_SOURCE=2
override CXXFLAGS += -Wall -g -I ../include/ \
-DVERSION=\"$(VERSION)\" -Wno-variadic-macros
CLANG_CFL = `$(LLVM_CONFIG) --cxxflags` -fno-rtti -fpic $(CXXFLAGS)
ifneq "$(shell $(LLVM_CONFIG) --includedir) 2> /dev/null" ""
CLANG_CFL = -I$(shell $(LLVM_CONFIG) --includedir)
endif
ifneq "$(LLVM_CONFIG)" ""
CLANG_CFL += -I$(shell dirname $(LLVM_CONFIG))/../include
endif
CLANG_CPPFL = `$(LLVM_CONFIG) --cxxflags` -fno-rtti -fpic $(CXXFLAGS)
CLANG_LFL = `$(LLVM_CONFIG) --ldflags` $(LDFLAGS)
@ -221,12 +227,12 @@ CLANG_LFL = `$(LLVM_CONFIG) --ldflags` $(LDFLAGS)
ifeq "$(shell uname)" "Darwin"
CLANG_LFL += -Wl,-flat_namespace -Wl,-undefined,suppress
else
CLANG_CFL += -Wl,-znodelete
CLANG_CPPFL += -Wl,-znodelete
endif
ifeq "$(shell uname)" "OpenBSD"
CLANG_LFL += `$(LLVM_CONFIG) --libdir`/libLLVM.so
CLANG_CFL += -mno-retpoline
CLANG_CPPFL += -mno-retpoline
CFLAGS += -mno-retpoline
# Needed for unwind symbols
LDFLAGS += -lc++abi
@ -304,7 +310,7 @@ afl-common.o: ../src/afl-common.c
$(CC) $(CFLAGS) -c $< -o $@ $(LDFLAGS)
../afl-clang-fast: afl-clang-fast.c afl-common.o | test_deps
$(CC) $(CFLAGS) $< afl-common.o -o $@ $(LDFLAGS) -DCFLAGS_OPT=\"$(CFLAGS_OPT)\"
$(CC) $(CLANG_CFL) $(CFLAGS) $< afl-common.o -o $@ $(LDFLAGS) -DCFLAGS_OPT=\"$(CFLAGS_OPT)\"
ln -sf afl-clang-fast ../afl-clang-fast++
ifneq "$(AFL_CLANG_FLTO)" ""
ifeq "$(LLVM_LTO)" "1"
@ -317,17 +323,17 @@ afl-llvm-common.o: afl-llvm-common.cc afl-llvm-common.h
$(CXX) $(CFLAGS) `$(LLVM_CONFIG) --cxxflags` -fno-rtti -fPIC -std=$(LLVM_STDCXX) -c $< -o $@
../libLLVMInsTrim.so: LLVMInsTrim.so.cc MarkNodes.cc afl-llvm-common.o | test_deps
-$(CXX) $(CLANG_CFL) -DLLVMInsTrim_EXPORTS -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< MarkNodes.cc -o $@ $(CLANG_LFL) afl-llvm-common.o
-$(CXX) $(CLANG_CPPFL) -DLLVMInsTrim_EXPORTS -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< MarkNodes.cc -o $@ $(CLANG_LFL) afl-llvm-common.o
../afl-llvm-pass.so: afl-llvm-pass.so.cc afl-llvm-common.o | test_deps
ifeq "$(LLVM_MIN_4_0_1)" "0"
$(info [!] N-gram branch coverage instrumentation is not available for llvm version $(LLVMVER))
endif
$(CXX) $(CLANG_CFL) -DLLVMInsTrim_EXPORTS -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
$(CXX) $(CLANG_CPPFL) -DLLVMInsTrim_EXPORTS -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
../afl-llvm-lto-whitelist.so: afl-llvm-lto-whitelist.so.cc afl-llvm-common.o
ifeq "$(LLVM_LTO)" "1"
$(CXX) $(CLANG_CFL) -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
$(CXX) $(CLANG_CPPFL) -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
endif
../afl-ld-lto: afl-ld-lto.c
@ -337,7 +343,7 @@ endif
../afl-llvm-lto-instrumentation.so: afl-llvm-lto-instrumentation.so.cc afl-llvm-common.o
ifeq "$(LLVM_LTO)" "1"
$(CXX) $(CLANG_CFL) -Wno-writable-strings -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
$(CXX) $(CLANG_CPPFL) -Wno-writable-strings -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
$(CLANG_BIN) $(CFLAGS) -Wno-unused-result -O0 $(AFL_CLANG_FLTO) -fPIC -c afl-llvm-rt-lto.o.c -o ../afl-llvm-rt-lto.o
@$(CLANG_BIN) $(CFLAGS) -Wno-unused-result -O0 $(AFL_CLANG_FLTO) -m64 -fPIC -c afl-llvm-rt-lto.o.c -o ../afl-llvm-rt-lto-64.o 2>/dev/null; if [ "$$?" = "0" ]; then : ; fi
@$(CLANG_BIN) $(CFLAGS) -Wno-unused-result -O0 $(AFL_CLANG_FLTO) -m32 -fPIC -c afl-llvm-rt-lto.o.c -o ../afl-llvm-rt-lto-32.o 2>/dev/null; if [ "$$?" = "0" ]; then : ; fi
@ -345,23 +351,23 @@ endif
../afl-llvm-lto-instrim.so: afl-llvm-lto-instrim.so.cc afl-llvm-common.o
ifeq "$(LLVM_LTO)" "1"
$(CXX) $(CLANG_CFL) -DLLVMInsTrim_EXPORTS -Wno-writable-strings -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< MarkNodes.cc -o $@ $(CLANG_LFL) afl-llvm-common.o
$(CXX) $(CLANG_CPPFL) -DLLVMInsTrim_EXPORTS -Wno-writable-strings -fno-rtti -fPIC -std=$(LLVM_STDCXX) -shared $< MarkNodes.cc -o $@ $(CLANG_LFL) afl-llvm-common.o
endif
# laf
../split-switches-pass.so: split-switches-pass.so.cc afl-llvm-common.o | test_deps
$(CXX) $(CLANG_CFL) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
../compare-transform-pass.so: compare-transform-pass.so.cc afl-llvm-common.o | test_deps
$(CXX) $(CLANG_CFL) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
../split-compares-pass.so: split-compares-pass.so.cc afl-llvm-common.o | test_deps
$(CXX) $(CLANG_CFL) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
# /laf
../cmplog-routines-pass.so: cmplog-routines-pass.cc afl-llvm-common.o | test_deps
$(CXX) $(CLANG_CFL) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
../cmplog-instructions-pass.so: cmplog-instructions-pass.cc afl-llvm-common.o | test_deps
$(CXX) $(CLANG_CFL) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
$(CXX) $(CLANG_CPPFL) -shared $< -o $@ $(CLANG_LFL) afl-llvm-common.o
document:
$(CLANG_BIN) -D_AFL_DOCUMENT_MUTATIONS $(CFLAGS) -Wno-unused-result -fPIC -c afl-llvm-rt.o.c -o ../afl-llvm-rt.o

2
llvm_mode/afl-clang-fast.c
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@ -39,6 +39,8 @@
#include <limits.h>
#include <assert.h>
#include "llvm/Config/llvm-config.h"
static u8 * obj_path; /* Path to runtime libraries */
static u8 **cc_params; /* Parameters passed to the real CC */
static u32 cc_par_cnt = 1; /* Param count, including argv0 */