From b120ca27f86c332854687bb67c4c18d2e6b74ac9 Mon Sep 17 00:00:00 2001
From: van Hauser <vh@thc.org>
Date: Thu, 23 Apr 2020 12:20:58 +0200
Subject: add documentation for LTO fixed map address feature

---
 llvm_mode/NOTES | 88 ---------------------------------------------------------
 1 file changed, 88 deletions(-)
 delete mode 100644 llvm_mode/NOTES

(limited to 'llvm_mode/NOTES')

diff --git a/llvm_mode/NOTES b/llvm_mode/NOTES
deleted file mode 100644
index 9aee7f46..00000000
--- a/llvm_mode/NOTES
+++ /dev/null
@@ -1,88 +0,0 @@
-
-markNodes
- ->
-
-whitelist:
-  set meta information/context to functions? ask llvm-dev
-    setAttribute/hasAttribute?
-
-afl-ld:
-  handle(=instrument) .a archives on the cmdline
-
-afl-pass-lto-instrument.so:
-  either a or b:
-  a) use instrim
-  b) start in main() or _init() and first otherwise (warn!)
-     keep list of done functions
-     final: go through function list and instrument those missing
-
-
-
----------------------------
-
-
-
-for (auto &module : Ctx.getModules()) {
-  auto &functionList = module->getModule()->getFunctionList();
-  for (auto &function : functionList) {
-    for (auto &bb : function) {
-      for (auto &instruction : bb) {
-        if (CallInst *callInst = dyn_cast<CallInst>(&instruction)) {
-          if (Function *calledFunction = callInst->getCalledFunction()) {
-            if (calledFunction->getName().startswith("llvm.dbg.declare")) {
-
-
-for (auto &U : F.getUsers()) { <- unbekannt
-  if (auto CS = CallSite(U)) {
-    if (CS->getCalledFunction() == F)
-
-getCalledValue()->stripPointerCasts()
- -> for indirect calls
-
-
-CallGraph(M)
-
-
-
-#include "llvm/IR/CallSite.h"
-
-unsigned int indirect_call_cnt = 0;
- 
-  printf("Function: %s\n", F.getName().str().c_str());
-  int cnt=0;
-  for (auto *U : F.users()) {
-//    auto *I = dyn_cast<Instruction>(U);
-//    if (I) {
-//      if (cast<CallInst>(I)->getCalledFunction()->getName() == F.getName()) {
-//       printf("DIRECT CALL %s->%s->%s\n", cast<CallInst>(I)->getParent()->getParent()->getName().str().c_str(), cast<CallInst>(I)->getCalledFunction()->getName().str().c_str(), F.getName().str().c_str());
-//     }
-printf("Callsite #%d\n", ++cnt);
-    CallSite CS(U);
-    auto *I = CS.getInstruction();
-    if (I) {
-      Value *called = CS.getCalledValue()->stripPointerCasts();
-      Function* f = dyn_cast<Function>(called);
-      if (f->getName().size() > 0) {
-        printf("test %s->%s->%s\n", cast<CallInst>(I)->getParent()->getParent()->getName().str().c_str(), f->getName().str().c_str(), F.getName().str().c_str());
-        if (f->getName() == F.getName()) {
-          printf("CALL %s->%s->%s\n", cast<CallInst>(I)->getParent()->getParent()->getName().str().c_str(), f->getName().str().c_str(), F.getName().str().c_str());
-        }
-      } else
-        printf("FOO  %s->...->%s\n", cast<CallInst>(I)->getParent()->getParent()->getName().str().c_str(), F.getName().str().c_str());
-      if (cast<CallInst>(I)->getCalledFunction()->getName() == F.getName()) {
-        printf("DIRECT %s->%s->%s\n", cast<CallInst>(I)->getParent()->getParent()->getName().str().c_str(), cast<CallInst>(I)->getCalledFunction()->getName().str().c_str(), F.getName().str().c_str());
-      }
-    } else {
-      printf("WE MISSED SOMETHING HERE!!\n");
-      indirect_call_cnt++;
-    }
-  }
-
-oder:
-  for (auto *U : F.users()) {
-    if (auto CS = CallSite(U->getUser())) {
-      if (CS->isCallee(&U)) {
-        // foo
-      }
-    }
-  }
-- 
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