// Derive taint ops
int before_block_exec(CPUState *env, TranslationBlock *tb){
//printf("%s\n", tcg_llvm_get_func_name(tb));
taintfpm->run(*(tb->llvm_function));
DynValBuffer *dynval_buffer = PIFP->PIV->getDynvalBuffer();
clear_dynval_buffer(dynval_buffer);
return 0;
}
int after_block_exec(CPUState *env, TranslationBlock *tb,
TranslationBlock *next_tb){
if (tubtf_on == 0) {
// flush dynlog to file
assert(memlog);
DynValBuffer *dynval_buffer = PIFP->PIV->getDynvalBuffer();
fwrite(dynval_buffer->start, dynval_buffer->cur_size, 1, memlog);
clear_dynval_buffer(dynval_buffer);
}
return 0;
}
// Derive taint ops
int before_block_exec(CPUState *env, TranslationBlock *tb){
shadow->asid = panda_current_asid(env);
//printf("%s\n", tcg_llvm_get_func_name(tb));
if (taintEnabled){
// process taint ops in io thread taint op buffer
// NB: we don't need a dynval buffer here.
tob_process(tob_io_thread, shadow, NULL);
tob_clear(tob_io_thread);
taintfpm->run(*(tb->llvm_function));
DynValBuffer *dynval_buffer = PIFP->PIV->getDynvalBuffer();
clear_dynval_buffer(dynval_buffer);
}
return 0;
}
int before_block_exec(CPUState *env, TranslationBlock *tb){
if (tubtf_on) {
char *llvm_fn_name = (char *) tcg_llvm_get_func_name(tb);
uint32_t pc, unk;
sscanf(llvm_fn_name, "tcg-llvm-tb-%d-%x", &unk, &pc);
env->panda_guest_pc = pc;
tubtf_write_el_64(panda_current_asid(env), pc, TUBTFE_LLVM_FN, unk, 0, 0, 0);
}
else {
fprintf(funclog, "%s\n", tcg_llvm_get_func_name(tb));
DynValBuffer *dynval_buffer = PIFP->PIV->getDynvalBuffer();
if (dynval_buffer->cur_size > 0){
// Buffer wasn't flushed before, have to flush it now
fwrite(dynval_buffer->start, dynval_buffer->cur_size, 1, memlog);
}
clear_dynval_buffer(dynval_buffer);
}
return 0;
}
