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improve: reset linker module counters

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Two counters for module loading and unloading are introduced in the commit a2e83ab348. To remove linker traces of libzygisk.so and Zygisk modules, we should reset them properly.
This commit is contained in:
JingMatrix
2024-12-16 10:08:09 +01:00
parent 5e072bd919
commit 0671f2e497
5 changed files with 46 additions and 15 deletions
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17
loader/src/injector/hook.cpp
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@@ -578,16 +578,21 @@ void ZygiskContext::run_modules_pre() {
void ZygiskContext::run_modules_post() {
flags[POST_SPECIALIZE] = true;
size_t modules_unloaded = 0;
for (const auto &m : modules) {
if (flags[APP_SPECIALIZE]) {
m.postAppSpecialize(args.app);
} else if (flags[SERVER_FORK_AND_SPECIALIZE]) {
m.postServerSpecialize(args.server);
}
m.tryUnload();
if (m.tryUnload()) modules_unloaded++;
}
clean_trace("jit-cache-zygisk", true);
if (modules.size() > 0) {
LOGD("modules unloaded: %zu/%zu", modules_unloaded, modules.size());
clean_trace("jit-cache-zygisk", modules.size(), modules_unloaded, true);
}
}
/* Zygisksu changed: Load module fds */
@@ -746,12 +751,12 @@ static void hook_register(dev_t dev, ino_t inode, const char *symbol, void *new_
#define PLT_HOOK_REGISTER(DEV, INODE, NAME) \
PLT_HOOK_REGISTER_SYM(DEV, INODE, #NAME, NAME)
void clean_trace(const char* path, bool spoof_maps) {
void clean_trace(const char* path, size_t load, size_t unload, bool spoof_maps) {
LOGD("cleaning trace for path %s", path);
if (!SoList::DropSoPath(path) || !spoof_maps) {
return;
}
if (load > 0 || unload >0) SoList::ResetCounters(load, unload);
bool path_found = SoList::DropSoPath(path);
if (!path_found || !spoof_maps) return;
LOGD("spoofing virtual maps for %s", path);
// spoofing map names is futile in Android, we do it simply