mirror of
https://github.com/AFLplusplus/AFLplusplus.git
synced 2025-06-08 16:21:32 +00:00
55 lines
1.6 KiB
Diff
55 lines
1.6 KiB
Diff
--- qemu-2.10.0-clean/accel/tcg/cpu-exec.c 2017-08-30 18:50:40.000000000 +0200
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+++ qemu-2.10.0/accel/tcg/cpu-exec.c 2018-09-22 13:21:23.612068407 +0200
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@@ -36,6 +36,8 @@
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#include "sysemu/cpus.h"
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#include "sysemu/replay.h"
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+#include "../patches/afl-qemu-cpu-inl.h"
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+
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/* -icount align implementation. */
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typedef struct SyncClocks {
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@@ -144,6 +146,8 @@
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int tb_exit;
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uint8_t *tb_ptr = itb->tc_ptr;
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+ AFL_QEMU_CPU_SNIPPET2;
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+
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qemu_log_mask_and_addr(CPU_LOG_EXEC, itb->pc,
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"Trace %p [%d: " TARGET_FMT_lx "] %s\n",
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itb->tc_ptr, cpu->cpu_index, itb->pc,
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@@ -337,7 +341,7 @@
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TranslationBlock *tb;
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target_ulong cs_base, pc;
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uint32_t flags;
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- bool have_tb_lock = false;
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+ bool have_tb_lock = false, was_translated = false, was_chained = false;
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/* we record a subset of the CPU state. It will
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always be the same before a given translated block
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@@ -365,6 +369,7 @@
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if (!tb) {
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/* if no translated code available, then translate it now */
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tb = tb_gen_code(cpu, pc, cs_base, flags, 0);
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+ was_translated = true;
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}
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mmap_unlock();
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@@ -390,11 +395,16 @@
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}
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if (!tb->invalid) {
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tb_add_jump(last_tb, tb_exit, tb);
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+ was_chained = true;
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}
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}
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if (have_tb_lock) {
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tb_unlock();
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}
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+ if (was_translated || was_chained) {
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+ afl_request_tsl(pc, cs_base, flags, was_chained ? last_tb : NULL,
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+ tb_exit);
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+ }
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return tb;
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}
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