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make new pass manager interface compiler version dependent (>=7)

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hexcoder- 2021-10-16 14:37:54 +02:00
parent c49b308794
commit 1f2fa22dad
5 changed files with 190 additions and 28 deletions
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43
instrumentation/afl-llvm-pass.so.cc
View File

@ -45,15 +45,18 @@ typedef long double max_align_t;
#endif
#include "llvm/IR/IRBuilder.h"
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
#include "llvm/Passes/PassPlugin.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/IR/PassManager.h"
//#include "llvm/IR/LegacyPassManager.h"
#else
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#endif
#include "llvm/IR/BasicBlock.h"
#include "llvm/IR/Module.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/MathExtras.h"
//#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#if LLVM_VERSION_MAJOR > 3 || \
(LLVM_VERSION_MAJOR == 3 && LLVM_VERSION_MINOR > 4)
@ -71,18 +74,26 @@ using namespace llvm;
namespace {
//class AFLCoverage : public ModulePass {
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
class AFLCoverage : public PassInfoMixin<AFLCoverage> {
public:
// static char ID;
AFLCoverage() {
public:
#else
class AFLCoverage : public ModulePass {
public:
static char ID;
AFLCoverage() : ModulePass(ID) {
#endif
initInstrumentList();
}
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
#else
bool runOnModule(Module &M) override;
#endif
protected:
uint32_t ngram_size = 0;
@ -96,6 +107,7 @@ class AFLCoverage : public PassInfoMixin<AFLCoverage> {
} // namespace
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK
llvmGetPassPluginInfo() {
return {
@ -126,8 +138,10 @@ llvmGetPassPluginInfo() {
}
};
}
#else
//char AFLCoverage::ID = 0;
char AFLCoverage::ID = 0;
#endif
/* needed up to 3.9.0 */
#if LLVM_VERSION_MAJOR == 3 && \
@ -153,7 +167,13 @@ uint64_t PowerOf2Ceil(unsigned in) {
(LLVM_VERSION_MAJOR == 4 && LLVM_VERSION_PATCH >= 1)
#define AFL_HAVE_VECTOR_INTRINSICS 1
#endif
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
PreservedAnalyses AFLCoverage::run(Module &M, ModuleAnalysisManager &MAM) {
#else
bool AFLCoverage::runOnModule(Module &M) {
#endif
LLVMContext &C = M.getContext();
@ -168,7 +188,9 @@ PreservedAnalyses AFLCoverage::run(Module &M, ModuleAnalysisManager &MAM) {
u32 rand_seed;
unsigned int cur_loc = 0;
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
auto PA = PreservedAnalyses::all();
#endif
/* Setup random() so we get Actually Random(TM) outputs from AFL_R() */
gettimeofday(&tv, &tz);
@ -1006,10 +1028,15 @@ PreservedAnalyses AFLCoverage::run(Module &M, ModuleAnalysisManager &MAM) {
}
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
return PA;
#else
return true;
#endif
}
#if 0
#if LLVM_VERSION_MAJOR < 7 /* use old pass manager */
static void registerAFLPass(const PassManagerBuilder &,
legacy::PassManagerBase &PM) {

38
instrumentation/compare-transform-pass.so.cc
View File

@ -26,14 +26,17 @@
#include "llvm/ADT/Statistic.h"
#include "llvm/IR/IRBuilder.h"
#if LLVM_MAJOR >= 7 /* use new pass manager */
#include "llvm/Passes/PassPlugin.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/IR/PassManager.h"
//#include "llvm/IR/LegacyPassManager.h"
#else
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#endif
#include "llvm/IR/Module.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Pass.h"
#include "llvm/Analysis/ValueTracking.h"
@ -55,16 +58,28 @@ using namespace llvm;
namespace {
#if LLVM_MAJOR >= 7 /* use new pass manager */
class CompareTransform : public PassInfoMixin<CompareTransform> {
public:
CompareTransform() {
#else
class CompareTransform : public ModulePass {
public:
static char ID;
CompareTransform() : ModulePass(ID) {
#endif
initInstrumentList();
}
#if LLVM_MAJOR >= 7 /* use new pass manager */
PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
#else
bool runOnModule(Module &M) override;
#endif
private:
bool transformCmps(Module &M, const bool processStrcmp,
@ -76,6 +91,7 @@ class CompareTransform : public PassInfoMixin<CompareTransform> {
} // namespace
#if LLVM_MAJOR >= 7 /* use new pass manager */
extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK
llvmGetPassPluginInfo() {
return {
@ -106,7 +122,9 @@ llvmGetPassPluginInfo() {
}
};
}
#else
char CompareTransform::ID = 0;
#endif
bool CompareTransform::transformCmps(Module &M, const bool processStrcmp,
const bool processMemcmp,
@ -613,7 +631,11 @@ bool CompareTransform::transformCmps(Module &M, const bool processStrcmp,
}
#if LLVM_MAJOR >= 7 /* use new pass manager */
PreservedAnalyses CompareTransform::run(Module &M, ModuleAnalysisManager &MAM) {
#else
bool CompareTransform::runOnModule(Module &M) {
#endif
if ((isatty(2) && getenv("AFL_QUIET") == NULL) || getenv("AFL_DEBUG") != NULL)
printf(
@ -622,22 +644,26 @@ PreservedAnalyses CompareTransform::run(Module &M, ModuleAnalysisManager &MAM) {
else
be_quiet = 1;
#if LLVM_MAJOR >= 7 /* use new pass manager */
auto PA = PreservedAnalyses::all();
#endif
transformCmps(M, true, true, true, true, true);
verifyModule(M);
#if LLVM_MAJOR >= 7 /* use new pass manager */
/* if (modified) {
PA.abandon<XX_Manager>();
}*/
return PA;
// return true;
#else
return true;
#endif
}
#if 0
#if LLVM_MAJOR < 7 /* use old pass manager */
static void registerCompTransPass(const PassManagerBuilder &,
legacy::PassManagerBase &PM) {

48
instrumentation/split-compares-pass.so.cc
View File

@ -30,11 +30,14 @@
#include "llvm/Pass.h"
#include "llvm/Support/raw_ostream.h"
#if LLVM_MAJOR >= 7
#include "llvm/Passes/PassPlugin.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/IR/PassManager.h"
//#include "llvm/IR/LegacyPassManager.h"
//#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#else
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#endif
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/IR/Module.h"
@ -58,17 +61,26 @@ using namespace llvm;
namespace {
//class SplitComparesTransform : public ModulePass {
#if LLVM_MAJOR >= 7
class SplitComparesTransform : public PassInfoMixin<SplitComparesTransform> {
public:
// static char ID;
SplitComparesTransform() : enableFPSplit(0) {
#else
class SplitComparesTransform : public ModulePass {
public:
static char ID;
SplitComparesTransform() : ModulePass(ID), enableFPSplit(0) {
#endif
initInstrumentList();
}
#if LLVM_MAJOR >= 7
PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
#else
bool runOnModule(Module &M) override;
#endif
private:
int enableFPSplit;
@ -157,6 +169,7 @@ class SplitComparesTransform : public PassInfoMixin<SplitComparesTransform> {
} // namespace
#if LLVM_MAJOR >= 7
extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK
llvmGetPassPluginInfo() {
return {
@ -187,8 +200,9 @@ llvmGetPassPluginInfo() {
}
};
}
//char SplitComparesTransform::ID = 0;
#else
char SplitComparesTransform::ID = 0;
#endif
/// This function splits FCMP instructions with xGE or xLE predicates into two
/// FCMP instructions with predicate xGT or xLT and EQ
@ -1342,7 +1356,11 @@ size_t SplitComparesTransform::splitFPCompares(Module &M) {
}
#if LLVM_MAJOR >= 7
PreservedAnalyses SplitComparesTransform::run(Module &M, ModuleAnalysisManager &MAM) {
#else
bool SplitComparesTransform::runOnModule(Module &M) {
#endif
char *bitw_env = getenv("AFL_LLVM_LAF_SPLIT_COMPARES_BITW");
if (!bitw_env) bitw_env = getenv("LAF_SPLIT_COMPARES_BITW");
@ -1365,7 +1383,9 @@ PreservedAnalyses SplitComparesTransform::run(Module &M, ModuleAnalysisManager &
}
#if LLVM_MAJOR >= 7
auto PA = PreservedAnalyses::all();
#endif
if (enableFPSplit) {
@ -1399,7 +1419,13 @@ PreservedAnalyses SplitComparesTransform::run(Module &M, ModuleAnalysisManager &
auto op0 = CI->getOperand(0);
auto op1 = CI->getOperand(1);
if (!op0 || !op1) { return PA; }
if (!op0 || !op1) {
#if LLVM_MAJOR >= 7
return PA;
#else
return false;
#endif
}
auto iTy1 = dyn_cast<IntegerType>(op0->getType());
if (iTy1 && isa<IntegerType>(op1->getType())) {
@ -1453,14 +1479,20 @@ PreservedAnalyses SplitComparesTransform::run(Module &M, ModuleAnalysisManager &
errs() << count << " comparisons found\n";
}
#if LLVM_MAJOR >= 7
/* if (modified) {
PA.abandon<XX_Manager>();
}*/
return PA;
#else
return true;
#endif
}
#if 0
#if LLVM_MAJOR < 7 /* use old pass manager */
static void registerSplitComparesPass(const PassManagerBuilder &,
legacy::PassManagerBase &PM) {

46
instrumentation/split-switches-pass.so.cc
View File

@ -27,14 +27,17 @@
#include "llvm/ADT/Statistic.h"
#include "llvm/IR/IRBuilder.h"
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
#include "llvm/Passes/PassPlugin.h"
#include "llvm/Passes/PassBuilder.h"
#include "llvm/IR/PassManager.h"
//#include "llvm/IR/LegacyPassManager.h"
#else
#include "llvm/IR/LegacyPassManager.h"
#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#endif
#include "llvm/IR/Module.h"
#include "llvm/Support/Debug.h"
#include "llvm/Support/raw_ostream.h"
//#include "llvm/Transforms/IPO/PassManagerBuilder.h"
#include "llvm/Transforms/Utils/BasicBlockUtils.h"
#include "llvm/Pass.h"
#include "llvm/Analysis/ValueTracking.h"
@ -57,16 +60,38 @@ using namespace llvm;
namespace {
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
class SplitSwitchesTransform : public PassInfoMixin<SplitSwitchesTransform> {
public:
SplitSwitchesTransform() {
#else
class SplitSwitchesTransform : public ModulePass {
public:
static char ID;
SplitSwitchesTransform() : ModulePass(ID) {
#endif
initInstrumentList();
}
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
PreservedAnalyses run(Module &M, ModuleAnalysisManager &MAM);
#else
bool runOnModule(Module &M) override;
#if LLVM_VERSION_MAJOR >= 4
StringRef getPassName() const override {
#else
const char *getPassName() const override {
#endif
return "splits switch constructs";
}
#endif
struct CaseExpr {
@ -94,6 +119,7 @@ class SplitSwitchesTransform : public PassInfoMixin<SplitSwitchesTransform> {
} // namespace
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
extern "C" ::llvm::PassPluginLibraryInfo LLVM_ATTRIBUTE_WEAK
llvmGetPassPluginInfo() {
return {
@ -124,6 +150,9 @@ llvmGetPassPluginInfo() {
}
};
}
#else
char SplitSwitchesTransform::ID = 0;
#endif
/* switchConvert - Transform simple list of Cases into list of CaseRange's */
BasicBlock *SplitSwitchesTransform::switchConvert(
@ -435,26 +464,37 @@ bool SplitSwitchesTransform::splitSwitches(Module &M) {
}
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
PreservedAnalyses SplitSwitchesTransform::run(Module &M, ModuleAnalysisManager &MAM) {
#else
bool SplitSwitchesTransform::runOnModule(Module &M) {
#endif
if ((isatty(2) && getenv("AFL_QUIET") == NULL) || getenv("AFL_DEBUG") != NULL)
printf("Running split-switches-pass by laf.intel@gmail.com\n");
else
be_quiet = 1;
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
auto PA = PreservedAnalyses::all();
#endif
splitSwitches(M);
verifyModule(M);
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
/* if (modified) {
PA.abandon<XX_Manager>();
}*/
return PA;
#else
return true;
#endif
}
#if 0
#if LLVM_VERSION_MAJOR < 7 /* use old pass manager */
static void registerSplitSwitchesTransPass(const PassManagerBuilder &,
legacy::PassManagerBase &PM) {

43
src/afl-cc.c
View File

@ -460,10 +460,17 @@ static void edit_params(u32 argc, char **argv, char **envp) {
} else {
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
cc_params[cc_par_cnt++] = "-fexperimental-new-pass-manager";
cc_params[cc_par_cnt++] =
alloc_printf("-fpass-plugin=%s/split-switches-pass.so", obj_path);
#else
cc_params[cc_par_cnt++] = "-Xclang";
cc_params[cc_par_cnt++] = "-load";
cc_params[cc_par_cnt++] = "-Xclang";
cc_params[cc_par_cnt++] =
alloc_printf("%s/split-switches-pass.so", obj_path);
#endif
}
}
@ -478,9 +485,17 @@ static void edit_params(u32 argc, char **argv, char **envp) {
} else {
#if LLVM_VERSION_MAJOR >= 7 /* use new pass manager */
cc_params[cc_par_cnt++] = "-fexperimental-new-pass-manager";
cc_params[cc_par_cnt++] =
alloc_printf("-fpass-plugin=%s/compare-transform-pass.so", obj_path);
#else
cc_params[cc_par_cnt++] = "-Xclang";
cc_params[cc_par_cnt++] = "-load";
cc_params[cc_par_cnt++] = "-Xclang";
cc_params[cc_par_cnt++] =
alloc_printf("%s/compare-transform-pass.so", obj_path);
#endif
}
@ -496,10 +511,18 @@ static void edit_params(u32 argc, char **argv, char **envp) {
} else {
#if LLVM_MAJOR >= 7
cc_params[cc_par_cnt++] = "-fexperimental-new-pass-manager";
cc_params[cc_par_cnt++] =
alloc_printf("-fpass-plugin=%s/split-compares-pass.so", obj_path);
// cc_params[cc_par_cnt++] = "-fno-experimental-new-pass-manager";
#else
cc_params[cc_par_cnt++] = "-Xclang";
cc_params[cc_par_cnt++] = "-load";
cc_params[cc_par_cnt++] = "-Xclang";
cc_params[cc_par_cnt++] =
alloc_printf("%s/split-compares-pass.so", obj_path);
#endif
}
@ -529,9 +552,17 @@ static void edit_params(u32 argc, char **argv, char **envp) {
alloc_printf("%s/cmplog-switches-pass.so", obj_path);
// reuse split switches from laf
#if LLVM_MAJOR >= 7
cc_params[cc_par_cnt++] = "-fexperimental-new-pass-manager";
cc_params[cc_par_cnt++] =
alloc_printf("-fpass-plugin=%s/split-switches-pass.so", obj_path);
#else
cc_params[cc_par_cnt++] = "-Xclang";
cc_params[cc_par_cnt++] = "-load";
cc_params[cc_par_cnt++] = "-Xclang";
cc_params[cc_par_cnt++] =
alloc_printf("%s/split-switches-pass.so", obj_path);
#endif
}
@ -541,7 +572,7 @@ static void edit_params(u32 argc, char **argv, char **envp) {
#if LLVM_MAJOR >= 13
// fuck you llvm 13
// cc_params[cc_par_cnt++] = "-fno-experimental-new-pass-manager";
cc_params[cc_par_cnt++] = "-fno-experimental-new-pass-manager";
#endif
if (lto_mode && !have_c) {
@ -621,9 +652,15 @@ static void edit_params(u32 argc, char **argv, char **envp) {
} else {
#if LLVM_MAJOR >= 7
cc_params[cc_par_cnt++] = "-fexperimental-new-pass-manager";
cc_params[cc_par_cnt++] = alloc_printf("-fpass-plugin=%s/afl-llvm-pass.so", obj_path);
#else
cc_params[cc_par_cnt++] = "-Xclang";
cc_params[cc_par_cnt++] = "-load";
cc_params[cc_par_cnt++] = "-Xclang";
cc_params[cc_par_cnt++] = alloc_printf("%s/afl-llvm-pass.so", obj_path);
#endif
}
}