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Support nested uc_emu_start calls

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This commit is contained in:
lazymio
2021-11-16 21:07:03 +01:00
parent 43c643d4af
commit 247ffbe0e8
5 changed files with 54 additions and 2 deletions
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10
uc.c
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@ -700,6 +700,14 @@ uc_err uc_emu_start(uc_engine *uc, uint64_t begin, uint64_t until,
UC_INIT(uc);
// Advance the nested levels. We must decrease the level count by one when
// we return from uc_emu_start.
if (uc->nested_level >= UC_MAX_NESTED_LEVEL) {
// We can't support so many nested levels.
return UC_ERR_RESOURCE;
}
uc->nested_level++;
switch (uc->arch) {
default:
break;
@ -786,6 +794,7 @@ uc_err uc_emu_start(uc_engine *uc, uint64_t begin, uint64_t until,
// restore to append mode for uc_hook_add()
uc->hook_insert = 0;
if (err != UC_ERR_OK) {
uc->nested_level--;
return err;
}
}
@ -814,6 +823,7 @@ uc_err uc_emu_start(uc_engine *uc, uint64_t begin, uint64_t until,
qemu_thread_join(&uc->timer);
}
uc->nested_level--;
return uc->invalid_error;
}