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Merge "Fix soinfo_unload"

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Dmitriy Ivanov 2014-12-03 03:25:56 +00:00 committed by Gerrit Code Review
commit 8408d7efac
1 changed files with 14 additions and 4 deletions
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18
linker/linker.cpp
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@ -320,7 +320,7 @@ static void soinfo_free(soinfo* si) {
if (trav == nullptr) {
// si was not in solist
DL_ERR("name \"%s\" is not in solist!", si->name);
DL_ERR("name \"%s\"@%p is not in solist!", si->name, si);
return;
}
@ -1150,20 +1150,29 @@ static void soinfo_unload(soinfo* root) {
soinfo* si = nullptr;
while ((si = depth_first_list.pop_front()) != nullptr) {
if (local_unload_list.contains(si)) {
continue;
}
local_unload_list.push_back(si);
if (si->has_min_version(0)) {
soinfo* child = nullptr;
while ((child = si->get_children().pop_front()) != nullptr) {
TRACE("%s needs to unload %s", si->name, child->name);
TRACE("%s@%p needs to unload %s@%p", si->name, si, child->name, child);
if (local_unload_list.contains(child)) {
continue;
} else if (child->get_local_group_root() != root) {
} else if (child->is_linked() && child->get_local_group_root() != root) {
external_unload_list.push_back(child);
} else {
depth_first_list.push_front(child);
}
}
} else {
#ifdef __LP64__
__libc_fatal("soinfo for \"%s\"@%p has no version", si->name, si);
#else
PRINT("warning: soinfo for \"%s\"@%p has no version", si->name, si);
for_each_dt_needed(si, [&] (const char* library_name) {
TRACE("deprecated (old format of soinfo): %s needs to unload %s", si->name, library_name);
soinfo* needed = find_library(library_name, RTLD_NOLOAD, nullptr);
@ -1175,7 +1184,7 @@ static void soinfo_unload(soinfo* root) {
} else if (local_unload_list.contains(needed)) {
// already visited
return;
} else if (needed->get_local_group_root() != root) {
} else if (needed->is_linked() && needed->get_local_group_root() != root) {
// external group
external_unload_list.push_back(needed);
} else {
@ -1183,6 +1192,7 @@ static void soinfo_unload(soinfo* root) {
depth_first_list.push_front(needed);
}
});
#endif
}
}