mirror of
https://github.com/AFLplusplus/AFLplusplus.git
synced 2025-06-08 08:11:34 +00:00
39 lines
1.3 KiB
Diff
39 lines
1.3 KiB
Diff
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c
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index 870027d4..0bc87dfc 100644
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--- a/accel/tcg/cpu-exec.c
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+++ b/accel/tcg/cpu-exec.c
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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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@@ -397,11 +399,13 @@ static inline TranslationBlock *tb_find(CPUState *cpu,
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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 was_translated = false, was_chained = false;
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tb = tb_lookup__cpu_state(cpu, &pc, &cs_base, &flags, cf_mask);
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if (tb == NULL) {
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mmap_lock();
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tb = tb_gen_code(cpu, pc, cs_base, flags, cf_mask);
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+ was_translated = true;
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mmap_unlock();
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/* We add the TB in the virtual pc hash table for the fast lookup */
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atomic_set(&cpu->tb_jmp_cache[tb_jmp_cache_hash_func(pc)], tb);
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@@ -418,6 +422,10 @@ static inline TranslationBlock *tb_find(CPUState *cpu,
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/* See if we can patch the calling TB. */
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if (last_tb) {
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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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+ if (was_translated || was_chained) {
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+ afl_request_tsl(pc, cs_base, flags, cf_mask, was_chained ? last_tb : NULL, tb_exit);
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}
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return tb;
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}
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