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| author | Clifford Wolf <clifford@clifford.at> | 2014-12-11 21:46:36 +0100 |
|---|---|---|
| committer | Clifford Wolf <clifford@clifford.at> | 2014-12-11 21:46:36 +0100 |
| commit | 7775d2806fe082626103f5abffd95fe9e1fccc27 (patch) | |
| tree | 70c4e6e4e1feb80df2dbde6ca46361317dc34635 /kernel | |
| parent | df52eedb3025c5250931c29c2417fbd0129500e1 (diff) | |
| download | yosys-7775d2806fe082626103f5abffd95fe9e1fccc27.tar.gz yosys-7775d2806fe082626103f5abffd95fe9e1fccc27.tar.bz2 yosys-7775d2806fe082626103f5abffd95fe9e1fccc27.zip | |
Added IdString::destruct_guard hack
Diffstat (limited to 'kernel')
| -rw-r--r-- | kernel/rtlil.cc | 1 | ||||
| -rw-r--r-- | kernel/rtlil.h | 13 |
2 files changed, 14 insertions, 0 deletions
diff --git a/kernel/rtlil.cc b/kernel/rtlil.cc index f5dbafe16..5c010dabf 100644 --- a/kernel/rtlil.cc +++ b/kernel/rtlil.cc @@ -27,6 +27,7 @@ YOSYS_NAMESPACE_BEGIN +RTLIL::IdString::destruct_guard_t RTLIL::IdString::destruct_guard; std::vector<int> RTLIL::IdString::global_refcount_storage_; std::vector<char*> RTLIL::IdString::global_id_storage_; std::map<char*, int, RTLIL::IdString::char_ptr_cmp> RTLIL::IdString::global_id_index_; diff --git a/kernel/rtlil.h b/kernel/rtlil.h index 0157f3b7c..29fa90692 100644 --- a/kernel/rtlil.h +++ b/kernel/rtlil.h @@ -85,6 +85,12 @@ namespace RTLIL } }; + static struct destruct_guard_t { + bool ok = false; + destruct_guard_t() { ok = true; } + ~destruct_guard_t() { ok = false; } + } destruct_guard; + static std::vector<int> global_refcount_storage_; static std::vector<char*> global_id_storage_; static std::map<char*, int, char_ptr_cmp> global_id_index_; @@ -98,6 +104,8 @@ namespace RTLIL static inline int get_reference(const char *p) { + log_assert(destruct_guard.ok); + if (p[0]) { log_assert(p[1] != 0); log_assert(p[0] == '$' || p[0] == '\\'); @@ -126,6 +134,11 @@ namespace RTLIL static inline void put_reference(int idx) { + // put_reference() may be called from destructors after the destructor of + // global_refcount_storage_ has been run. in this case we simply do nothing. + if (!destruct_guard.ok) + return; + log_assert(global_refcount_storage_.at(idx) > 0); if (--global_refcount_storage_.at(idx) != 0) |