Perf regression4 (#979)

* Added test for libjpeg

* Added proj4 test

* Added missing members to x86/64 context

* Changes to use memfd and hashtable cache

* Removed redundant check

Co-authored-by: Your Name <you@example.com>

8 files changed, 648 insertions, 0 deletions

diff --git a/frida_mode/test/jpeg/GNUmakefile b/frida_mode/test/jpeg/GNUmakefile
new file mode 100644
index 00000000..689fce3d
--- /dev/null
+++ b/frida_mode/test/jpeg/GNUmakefile
@@ -0,0 +1,172 @@
+PWD:=$(shell pwd)/
+ROOT:=$(shell realpath $(PWD)../../..)/
+BUILD_DIR:=$(PWD)build/
+
+AFLPP_DRIVER_HOOK_SRC=$(PWD)aflpp_qemu_driver_hook.c
+AFLPP_DRIVER_HOOK_OBJ=$(BUILD_DIR)aflpp_qemu_driver_hook.so
+
+LIBJPEG_BUILD_DIR:=$(BUILD_DIR)libjpeg/
+HARNESS_BUILD_DIR:=$(BUILD_DIR)harness/
+JPEGTEST_BUILD_DIR:=$(BUILD_DIR)jpegtest/
+
+LIBJPEG_URL:=https://github.com/libjpeg-turbo/libjpeg-turbo.git
+LIBJPEG_DIR:=$(LIBJPEG_BUILD_DIR)libjpeg/
+LIBJPEG_CONFIGURE:=$(LIBJPEG_DIR)configure.ac
+LIBJPEG_MAKEFILE:=$(LIBJPEG_DIR)Makefile
+LIBJPEG_LIB:=$(LIBJPEG_DIR).libs/libturbojpeg.a
+
+HARNESS_FILE:=$(HARNESS_BUILD_DIR)StandaloneFuzzTargetMain.c
+HARNESS_OBJ:=$(HARNESS_BUILD_DIR)StandaloneFuzzTargetMain.o
+HARNESS_URL:="https://raw.githubusercontent.com/AFLplusplus/AFLplusplus/stable/utils/aflpp_driver/aflpp_qemu_driver.c"
+
+JPEGTEST_FILE:=$(JPEGTEST_BUILD_DIR)target.cc
+JPEGTEST_OBJ:=$(JPEGTEST_BUILD_DIR)target.o
+JPEGTEST_URL:="https://raw.githubusercontent.com/google/fuzzbench/master/benchmarks/libjpeg-turbo-07-2017/libjpeg_turbo_fuzzer.cc"
+
+LDFLAGS += -lpthread
+
+TEST_BIN:=$(BUILD_DIR)test
+ifeq "$(shell uname)" "Darwin"
+TEST_BIN_LDFLAGS:=-undefined dynamic_lookup
+endif
+
+TEST_DATA_DIR:=$(BUILD_DIR)in/
+TEST_DATA_FILE:=$(TEST_DATA_DIR)default_seed
+
+FRIDA_OUT:=$(BUILD_DIR)frida-out
+
+ifndef ARCH
+
+ARCH=$(shell uname -m)
+ifeq "$(ARCH)" "aarch64"
+ ARCH:=arm64
+endif
+
+ifeq "$(ARCH)" "i686"
+ ARCH:=x86
+endif
+endif
+
+ifeq "$(ARCH)" "aarch64"
+ AFL_FRIDA_PERSISTENT_ADDR=$(shell $(PWD)get_symbol_addr.py -f $(TEST_BIN) -s LLVMFuzzerTestOneInput -b 0x0000aaaaaaaaa000)
+endif
+
+ifeq "$(ARCH)" "x86_64"
+ AFL_FRIDA_PERSISTENT_ADDR=$(shell $(PWD)get_symbol_addr.py -f $(TEST_BIN) -s LLVMFuzzerTestOneInput -b 0x0000555555554000)
+endif
+
+ifeq "$(ARCH)" "x86"
+ AFL_FRIDA_PERSISTENT_ADDR=$(shell $(PWD)get_symbol_addr.py -f $(TEST_BIN) -s LLVMFuzzerTestOneInput -b 0x56555000)
+endif
+
+.PHONY: all clean frida hook
+
+all: $(TEST_BIN)
+	make -C $(ROOT)frida_mode/
+
+32:
+	CXXFLAGS="-m32" LDFLAGS="-m32" ARCH="x86" make all
+
+$(BUILD_DIR):
+	mkdir -p $@
+
+######### HARNESS ########
+$(HARNESS_BUILD_DIR): | $(BUILD_DIR)
+	mkdir -p $@
+
+$(HARNESS_FILE): | $(HARNESS_BUILD_DIR)
+	wget -O $@ $(HARNESS_URL)
+
+$(HARNESS_OBJ): $(HARNESS_FILE)
+	$(CC) $(CXXFLAGS) $(LDFLAGS) -o $@ -c $<
+
+######### JPEGTEST ########
+
+$(JPEGTEST_BUILD_DIR): | $(BUILD_DIR)
+	mkdir -p $@
+
+$(JPEGTEST_FILE): | $(JPEGTEST_BUILD_DIR)
+	wget -O $@ $(JPEGTEST_URL)
+
+$(JPEGTEST_OBJ): $(JPEGTEST_FILE) | $(LIBJPEG_MAKEFILE)
+	$(CXX) $(CXXFLAGS) $(LDFLAGS) -std=c++11 -I $(LIBJPEG_DIR) -o $@ -c $<
+
+######### LIBJPEG ########
+
+$(LIBJPEG_BUILD_DIR): | $(BUILD_DIR)
+	mkdir -p $@
+
+$(LIBJPEG_CONFIGURE): $(LIBJPEG_BUILD_DIR)
+	git clone $(LIBJPEG_URL) $(LIBJPEG_DIR)
+	cd $(LIBJPEG_DIR) && git checkout b0971e47d76fdb81270e93bbf11ff5558073350d
+
+$(LIBJPEG_MAKEFILE): $(LIBJPEG_CONFIGURE)
+	cd $(LIBJPEG_DIR) && autoreconf -fiv
+	cd $(LIBJPEG_DIR) && ./configure
+
+$(LIBJPEG_LIB): $(LIBJPEG_MAKEFILE)
+	make -C $(LIBJPEG_DIR) -j $(shell nproc)
+
+######### TEST ########
+
+$(TEST_BIN): $(HARNESS_OBJ) $(JPEGTEST_OBJ) $(LIBJPEG_LIB)
+	$(CXX) \
+		$(CFLAGS) \
+		-o $@ \
+		$(HARNESS_OBJ) $(JPEGTEST_OBJ) $(LIBJPEG_LIB) \
+		-lz \
+		$(LDFLAGS) \
+		$(TEST_BIN_LDFLAGS) \
+
+########## HOOK ########
+
+$(AFLPP_DRIVER_HOOK_OBJ): $(AFLPP_DRIVER_HOOK_SRC) | $(BUILD_DIR)
+	$(CC) -shared $(CFLAGS) $(LDFLAGS) $< -o $@
+
+########## DUMMY #######
+
+$(TEST_DATA_DIR): | $(BUILD_DIR)
+	mkdir -p $@
+
+$(TEST_DATA_FILE): | $(TEST_DATA_DIR)
+	echo "hi" > $(TEST_DATA_FILE)
+
+###### TEST DATA #######
+
+hook: $(AFLPP_DRIVER_HOOK_OBJ)
+
+clean:
+	rm -rf $(BUILD_DIR)
+
+frida: $(TEST_BIN) $(AFLPP_DRIVER_HOOK_OBJ) $(TEST_DATA_FILE)
+	AFL_DEBUG_CHILD=1 \
+	AFL_DISABLE_TRIM=1 \
+	AFL_FRIDA_PERSISTENT_CNT=1000000 \
+	AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES=1 \
+	AFL_NO_AFFINITY=1 \
+	X__AFL_NO_UI=1 \
+	AFL_PATH=/out \
+	AFL_SHUFFLE_QUEUE=1 \
+	AFL_SKIP_CPUFREQ=1 \
+	AFL_SKIP_CRASHES=1 \
+	AFL_TESTCACHE_SIZE=2 \
+	AFL_FRIDA_PERSISTENT_HOOK=$(AFLPP_DRIVER_HOOK_OBJ) \
+	AFL_FRIDA_PERSISTENT_ADDR=$(AFL_FRIDA_PERSISTENT_ADDR) \
+	AFL_ENTRYPOINT=$(AFL_FRIDA_PERSISTENT_ADDR) \
+	$(ROOT)afl-fuzz \
+		-i $(TEST_DATA_DIR) \
+		-o $(FRIDA_OUT) \
+		-m none \
+		-t 1000+ \
+		-d \
+		-O \
+		-c 0\
+		-V 30 \
+		-- \
+			$(TEST_BIN) 2147483647
+
+debug:
+	gdb \
+		--ex 'set environment LD_PRELOAD=$(ROOT)afl-frida-trace.so' \
+		--ex 'set disassembly-flavor intel' \
+		--args $(TEST_BIN) $(TEST_DATA_DIR)basn0g01.jpeg
diff --git a/frida_mode/test/jpeg/Makefile b/frida_mode/test/jpeg/Makefile
new file mode 100644
index 00000000..863438cf
--- /dev/null
+++ b/frida_mode/test/jpeg/Makefile
@@ -0,0 +1,19 @@
+all:
+	@echo trying to use GNU make...
+	@gmake all || echo please install GNUmake
+
+32:
+	@echo trying to use GNU make...
+	@gmake 32 || echo please install GNUmake
+
+clean:
+	@gmake clean
+
+frida:
+	@gmake frida
+
+debug:
+	@gmake debug
+
+hook:
+	@gmake hook
diff --git a/frida_mode/test/jpeg/aflpp_qemu_driver_hook.c b/frida_mode/test/jpeg/aflpp_qemu_driver_hook.c
new file mode 100644
index 00000000..059d438d
--- /dev/null
+++ b/frida_mode/test/jpeg/aflpp_qemu_driver_hook.c
@@ -0,0 +1,97 @@
+#include <stdint.h>
+#include <string.h>
+
+#if defined(__x86_64__)
+
+struct x86_64_regs {
+
+  uint64_t rax, rbx, rcx, rdx, rdi, rsi, rbp, r8, r9, r10, r11, r12, r13, r14,
+      r15;
+
+  union {
+
+    uint64_t rip;
+    uint64_t pc;
+
+  };
+
+  union {
+
+    uint64_t rsp;
+    uint64_t sp;
+
+  };
+
+  union {
+
+    uint64_t rflags;
+    uint64_t flags;
+
+  };
+
+  uint8_t zmm_regs[32][64];
+
+};
+
+void afl_persistent_hook(struct x86_64_regs *regs, uint64_t guest_base,
+                         uint8_t *input_buf, uint32_t input_buf_len) {
+
+  memcpy((void *)regs->rdi, input_buf, input_buf_len);
+  regs->rsi = input_buf_len;
+
+}
+
+#elif defined(__i386__)
+
+struct x86_regs {
+
+  uint32_t eax, ebx, ecx, edx, edi, esi, ebp;
+
+  union {
+
+    uint32_t eip;
+    uint32_t pc;
+
+  };
+
+  union {
+
+    uint32_t esp;
+    uint32_t sp;
+
+  };
+
+  union {
+
+    uint32_t eflags;
+    uint32_t flags;
+
+  };
+
+  uint8_t xmm_regs[8][16];
+
+};
+
+void afl_persistent_hook(struct x86_regs *regs, uint64_t guest_base,
+                         uint8_t *input_buf, uint32_t input_buf_len) {
+
+  void **esp = (void **)regs->esp;
+  void * arg1 = esp[1];
+  void **arg2 = &esp[2];
+  memcpy(arg1, input_buf, input_buf_len);
+  *arg2 = (void *)input_buf_len;
+
+}
+
+#else
+  #pragma error "Unsupported architecture"
+#endif
+
+int afl_persistent_hook_init(void) {
+
+  // 1 for shared memory input (faster), 0 for normal input (you have to use
+  // read(), input_buf will be NULL)
+  return 1;
+
+}
+
diff --git a/frida_mode/test/jpeg/get_symbol_addr.py b/frida_mode/test/jpeg/get_symbol_addr.py
new file mode 100755
index 00000000..1c46e010
--- /dev/null
+++ b/frida_mode/test/jpeg/get_symbol_addr.py
@@ -0,0 +1,36 @@
+#!/usr/bin/python3
+import argparse
+from elftools.elf.elffile import ELFFile
+
+def process_file(file, symbol, base):
+    with open(file, 'rb') as f:
+        elf = ELFFile(f)
+        symtab = elf.get_section_by_name('.symtab')
+        mains = symtab.get_symbol_by_name(symbol)
+        if len(mains) != 1:
+            print ("Failed to find main")
+            return 1
+
+        main_addr = mains[0]['st_value']
+        main = base + main_addr
+        print ("0x%016x" % main)
+        return 0
+
+def hex_value(x):
+    return int(x, 16)
+
+def main():
+    parser = argparse.ArgumentParser(description='Process some integers.')
+    parser.add_argument('-f', '--file', dest='file', type=str,
+                    help='elf file name', required=True)
+    parser.add_argument('-s', '--symbol', dest='symbol', type=str,
+                    help='symbol name', required=True)
+    parser.add_argument('-b', '--base', dest='base', type=hex_value,
+                    help='elf base address', required=True)
+
+    args = parser.parse_args()
+    return process_file (args.file, args.symbol, args.base)
+
+if __name__ == "__main__":
+    ret = main()
+    exit(ret)
diff --git a/frida_mode/test/proj4/GNUmakefile b/frida_mode/test/proj4/GNUmakefile
new file mode 100644
index 00000000..09112cd5
--- /dev/null
+++ b/frida_mode/test/proj4/GNUmakefile
@@ -0,0 +1,172 @@
+PWD:=$(shell pwd)/
+ROOT:=$(shell realpath $(PWD)../../..)/
+BUILD_DIR:=$(PWD)build/
+
+AFLPP_DRIVER_HOOK_SRC=$(PWD)aflpp_qemu_driver_hook.c
+AFLPP_DRIVER_HOOK_OBJ=$(BUILD_DIR)aflpp_qemu_driver_hook.so
+
+LIBPROJ4_BUILD_DIR:=$(BUILD_DIR)libproj4/
+HARNESS_BUILD_DIR:=$(BUILD_DIR)harness/
+PROJ4TEST_BUILD_DIR:=$(BUILD_DIR)proj4test/
+
+LIBPROJ4_URL:=https://github.com/OSGeo/PROJ
+LIBPROJ4_DIR:=$(LIBPROJ4_BUILD_DIR)libproj4/
+LIBPROJ4_CONFIGURE:=$(LIBPROJ4_DIR)configure.ac
+LIBPROJ4_MAKEFILE:=$(LIBPROJ4_DIR)Makefile
+LIBPROJ4_LIB:=$(LIBPROJ4_DIR)src/.libs/libproj.a
+
+HARNESS_FILE:=$(HARNESS_BUILD_DIR)StandaloneFuzzTargetMain.c
+HARNESS_OBJ:=$(HARNESS_BUILD_DIR)StandaloneFuzzTargetMain.o
+HARNESS_URL:="https://raw.githubusercontent.com/AFLplusplus/AFLplusplus/stable/utils/aflpp_driver/aflpp_qemu_driver.c"
+
+PROJ4TEST_FILE:=$(PROJ4TEST_BUILD_DIR)target.cc
+PROJ4TEST_OBJ:=$(PROJ4TEST_BUILD_DIR)target.o
+PROJ4TEST_URL:="https://raw.githubusercontent.com/OSGeo/PROJ/d00501750b210a73f9fb107ac97a683d4e3d8e7a/test/fuzzers/standard_fuzzer.cpp"
+
+LDFLAGS += -lpthread
+
+TEST_BIN:=$(BUILD_DIR)test
+ifeq "$(shell uname)" "Darwin"
+TEST_BIN_LDFLAGS:=-undefined dynamic_lookup
+endif
+
+TEST_DATA_DIR:=$(BUILD_DIR)in/
+TEST_DATA_FILE:=$(TEST_DATA_DIR)default_seed
+
+FRIDA_OUT:=$(BUILD_DIR)frida-out
+
+ifndef ARCH
+
+ARCH=$(shell uname -m)
+ifeq "$(ARCH)" "aarch64"
+ ARCH:=arm64
+endif
+
+ifeq "$(ARCH)" "i686"
+ ARCH:=x86
+endif
+endif
+
+ifeq "$(ARCH)" "aarch64"
+ AFL_FRIDA_PERSISTENT_ADDR=$(shell $(PWD)get_symbol_addr.py -f $(TEST_BIN) -s LLVMFuzzerTestOneInput -b 0x0000aaaaaaaaa000)
+endif
+
+ifeq "$(ARCH)" "x86_64"
+ AFL_FRIDA_PERSISTENT_ADDR=$(shell $(PWD)get_symbol_addr.py -f $(TEST_BIN) -s LLVMFuzzerTestOneInput -b 0x0000555555554000)
+endif
+
+ifeq "$(ARCH)" "x86"
+ AFL_FRIDA_PERSISTENT_ADDR=$(shell $(PWD)get_symbol_addr.py -f $(TEST_BIN) -s LLVMFuzzerTestOneInput -b 0x56555000)
+endif
+
+.PHONY: all clean frida hook
+
+all: $(TEST_BIN)
+	make -C $(ROOT)frida_mode/
+
+32:
+	CXXFLAGS="-m32" LDFLAGS="-m32" ARCH="x86" make all
+
+$(BUILD_DIR):
+	mkdir -p $@
+
+######### HARNESS ########
+$(HARNESS_BUILD_DIR): | $(BUILD_DIR)
+	mkdir -p $@
+
+$(HARNESS_FILE): | $(HARNESS_BUILD_DIR)
+	wget -O $@ $(HARNESS_URL)
+
+$(HARNESS_OBJ): $(HARNESS_FILE)
+	$(CC) $(CXXFLAGS) $(LDFLAGS) -o $@ -c $<
+
+######### PROJ4TEST ########
+
+$(PROJ4TEST_BUILD_DIR): | $(BUILD_DIR)
+	mkdir -p $@
+
+$(PROJ4TEST_FILE): | $(PROJ4TEST_BUILD_DIR)
+	wget -O $@ $(PROJ4TEST_URL)
+
+$(PROJ4TEST_OBJ): $(PROJ4TEST_FILE) | $(LIBPROJ4_MAKEFILE)
+	$(CXX) $(CXXFLAGS) $(LDFLAGS) -std=c++11 -I $(LIBPROJ4_DIR)src/ -o $@ -c $<
+
+######### LIBPROJ4 ########
+
+$(LIBPROJ4_BUILD_DIR): | $(BUILD_DIR)
+	mkdir -p $@
+
+$(LIBPROJ4_CONFIGURE): $(LIBPROJ4_BUILD_DIR)
+	git clone $(LIBPROJ4_URL) $(LIBPROJ4_DIR)
+	cd $(LIBPROJ4_DIR) && git checkout d00501750b210a73f9fb107ac97a683d4e3d8e7a
+
+$(LIBPROJ4_MAKEFILE): $(LIBPROJ4_CONFIGURE)
+	cd $(LIBPROJ4_DIR) && ./autogen.sh
+	cd $(LIBPROJ4_DIR) && ./configure
+
+$(LIBPROJ4_LIB): $(LIBPROJ4_MAKEFILE)
+	make -C $(LIBPROJ4_DIR) -j $(shell nproc)
+
+######### TEST ########
+
+$(TEST_BIN): $(HARNESS_OBJ) $(PROJ4TEST_OBJ) $(LIBPROJ4_LIB)
+	$(CXX) \
+		$(CFLAGS) \
+		-o $@ \
+		$(HARNESS_OBJ) $(PROJ4TEST_OBJ) $(LIBPROJ4_LIB) \
+		-lz \
+		$(LDFLAGS) \
+		$(TEST_BIN_LDFLAGS) \
+
+########## HOOK ########
+
+$(AFLPP_DRIVER_HOOK_OBJ): $(AFLPP_DRIVER_HOOK_SRC) | $(BUILD_DIR)
+	$(CC) -shared $(CFLAGS) $(LDFLAGS) $< -o $@
+
+########## DUMMY #######
+
+$(TEST_DATA_DIR): | $(BUILD_DIR)
+	mkdir -p $@
+
+$(TEST_DATA_FILE): | $(TEST_DATA_DIR)
+	echo "hi" > $(TEST_DATA_FILE)
+
+###### TEST DATA #######
+
+hook: $(AFLPP_DRIVER_HOOK_OBJ)
+
+clean:
+	rm -rf $(BUILD_DIR)
+
+frida: $(TEST_BIN) $(AFLPP_DRIVER_HOOK_OBJ) $(TEST_DATA_FILE)
+	AFL_DEBUG_CHILD=1 \
+	AFL_DISABLE_TRIM=1 \
+	AFL_FRIDA_PERSISTENT_CNT=1000000 \
+	AFL_I_DONT_CARE_ABOUT_MISSING_CRASHES=1 \
+	AFL_NO_AFFINITY=1 \
+	X__AFL_NO_UI=1 \
+	AFL_PATH=/out \
+	AFL_SHUFFLE_QUEUE=1 \
+	AFL_SKIP_CPUFREQ=1 \
+	AFL_SKIP_CRASHES=1 \
+	AFL_TESTCACHE_SIZE=2 \
+	AFL_FRIDA_PERSISTENT_HOOK=$(AFLPP_DRIVER_HOOK_OBJ) \
+	AFL_FRIDA_PERSISTENT_ADDR=$(AFL_FRIDA_PERSISTENT_ADDR) \
+	AFL_ENTRYPOINT=$(AFL_FRIDA_PERSISTENT_ADDR) \
+	$(ROOT)afl-fuzz \
+		-i $(TEST_DATA_DIR) \
+		-o $(FRIDA_OUT) \
+		-m none \
+		-t 1000+ \
+		-d \
+		-O \
+		-c 0\
+		-V 30 \
+		-- \
+			$(TEST_BIN) 2147483647
+
+debug:
+	gdb \
+		--ex 'set environment LD_PRELOAD=$(ROOT)afl-frida-trace.so' \
+		--ex 'set disassembly-flavor intel' \
+		--args $(TEST_BIN) $(TEST_DATA_DIR)basn0g01.proj4
diff --git a/frida_mode/test/proj4/Makefile b/frida_mode/test/proj4/Makefile
new file mode 100644
index 00000000..863438cf
--- /dev/null
+++ b/frida_mode/test/proj4/Makefile
@@ -0,0 +1,19 @@
+all:
+	@echo trying to use GNU make...
+	@gmake all || echo please install GNUmake
+
+32:
+	@echo trying to use GNU make...
+	@gmake 32 || echo please install GNUmake
+
+clean:
+	@gmake clean
+
+frida:
+	@gmake frida
+
+debug:
+	@gmake debug
+
+hook:
+	@gmake hook
diff --git a/frida_mode/test/proj4/aflpp_qemu_driver_hook.c b/frida_mode/test/proj4/aflpp_qemu_driver_hook.c
new file mode 100644
index 00000000..059d438d
--- /dev/null
+++ b/frida_mode/test/proj4/aflpp_qemu_driver_hook.c
@@ -0,0 +1,97 @@
+#include <stdint.h>
+#include <string.h>
+
+#if defined(__x86_64__)
+
+struct x86_64_regs {
+
+  uint64_t rax, rbx, rcx, rdx, rdi, rsi, rbp, r8, r9, r10, r11, r12, r13, r14,
+      r15;
+
+  union {
+
+    uint64_t rip;
+    uint64_t pc;
+
+  };
+
+  union {
+
+    uint64_t rsp;
+    uint64_t sp;
+
+  };
+
+  union {
+
+    uint64_t rflags;
+    uint64_t flags;
+
+  };
+
+  uint8_t zmm_regs[32][64];
+
+};
+
+void afl_persistent_hook(struct x86_64_regs *regs, uint64_t guest_base,
+                         uint8_t *input_buf, uint32_t input_buf_len) {
+
+  memcpy((void *)regs->rdi, input_buf, input_buf_len);
+  regs->rsi = input_buf_len;
+
+}
+
+#elif defined(__i386__)
+
+struct x86_regs {
+
+  uint32_t eax, ebx, ecx, edx, edi, esi, ebp;
+
+  union {
+
+    uint32_t eip;
+    uint32_t pc;
+
+  };
+
+  union {
+
+    uint32_t esp;
+    uint32_t sp;
+
+  };
+
+  union {
+
+    uint32_t eflags;
+    uint32_t flags;
+
+  };
+
+  uint8_t xmm_regs[8][16];
+
+};
+
+void afl_persistent_hook(struct x86_regs *regs, uint64_t guest_base,
+                         uint8_t *input_buf, uint32_t input_buf_len) {
+
+  void **esp = (void **)regs->esp;
+  void * arg1 = esp[1];
+  void **arg2 = &esp[2];
+  memcpy(arg1, input_buf, input_buf_len);
+  *arg2 = (void *)input_buf_len;
+
+}
+
+#else
+  #pragma error "Unsupported architecture"
+#endif
+
+int afl_persistent_hook_init(void) {
+
+  // 1 for shared memory input (faster), 0 for normal input (you have to use
+  // read(), input_buf will be NULL)
+  return 1;
+
+}
+
diff --git a/frida_mode/test/proj4/get_symbol_addr.py b/frida_mode/test/proj4/get_symbol_addr.py
new file mode 100755
index 00000000..1c46e010
--- /dev/null
+++ b/frida_mode/test/proj4/get_symbol_addr.py
@@ -0,0 +1,36 @@
+#!/usr/bin/python3
+import argparse
+from elftools.elf.elffile import ELFFile
+
+def process_file(file, symbol, base):
+    with open(file, 'rb') as f:
+        elf = ELFFile(f)
+        symtab = elf.get_section_by_name('.symtab')
+        mains = symtab.get_symbol_by_name(symbol)
+        if len(mains) != 1:
+            print ("Failed to find main")
+            return 1
+
+        main_addr = mains[0]['st_value']
+        main = base + main_addr
+        print ("0x%016x" % main)
+        return 0
+
+def hex_value(x):
+    return int(x, 16)
+
+def main():
+    parser = argparse.ArgumentParser(description='Process some integers.')
+    parser.add_argument('-f', '--file', dest='file', type=str,
+                    help='elf file name', required=True)
+    parser.add_argument('-s', '--symbol', dest='symbol', type=str,
+                    help='symbol name', required=True)
+    parser.add_argument('-b', '--base', dest='base', type=hex_value,
+                    help='elf base address', required=True)
+
+    args = parser.parse_args()
+    return process_file (args.file, args.symbol, args.base)
+
+if __name__ == "__main__":
+    ret = main()
+    exit(ret)