nixpkgs/pkgs/tools/security/afl/qemu-patches/cpu-exec.patch

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--- qemu-2.2.0/cpu-exec.c.orig 2014-12-09 14:45:40.000000000 +0000
+++ qemu-2.2.0/cpu-exec.c 2015-02-20 22:07:02.966000000 +0000
@@ -25,6 +25,8 @@
#include "sysemu/qtest.h"
#include "qemu/timer.h"
+#include "afl-qemu-cpu-inl.h"
+
/* -icount align implementation. */
typedef struct SyncClocks {
@@ -262,8 +264,11 @@
}
not_found:
/* if no translated code available, then translate it now */
+
tb = tb_gen_code(cpu, pc, cs_base, flags, 0);
+ AFL_QEMU_CPU_SNIPPET1;
+
found:
/* Move the last found TB to the head of the list */
if (likely(*ptb1)) {
@@ -455,6 +460,9 @@
next_tb = 0;
tcg_ctx.tb_ctx.tb_invalidated_flag = 0;
}
+
+ AFL_QEMU_CPU_SNIPPET2;
+
if (qemu_loglevel_mask(CPU_LOG_EXEC)) {
qemu_log("Trace %p [" TARGET_FMT_lx "] %s\n",
tb->tc_ptr, tb->pc, lookup_symbol(tb->pc));