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author | Jari Vetoniemi <mailroxas@gmail.com> | 2018-02-19 16:29:02 +0200 |
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committer | Jari Vetoniemi <mailroxas@gmail.com> | 2018-02-19 16:29:02 +0200 |
commit | a08dd25eb79ed44ae06db2b95d4b44d77ea68110 (patch) | |
tree | 5f851ca9d7279b66c647085fcf25c09de8812582 /src/wrapper | |
parent | da200d3ac0204abadd5992820486321970d689b8 (diff) |
wrapper: use TLS heap storage for mangled symbols
We do these calls a lot, so lets try keep the number of allocations down.
Diffstat (limited to 'src/wrapper')
-rw-r--r-- | src/wrapper/wrapper.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/src/wrapper/wrapper.c b/src/wrapper/wrapper.c index 5ed0943..a11de83 100644 --- a/src/wrapper/wrapper.c +++ b/src/wrapper/wrapper.c @@ -33,9 +33,11 @@ trace(const char *const symbol) // Holy fuck gcc what the fuck? Guess we don't use stack then, thanks int status; char *demangled; - if ((demangled = __cxa_demangle(symbol, NULL, NULL, &status))) { + static __thread char *data; + static __thread size_t size; + if ((demangled = __cxa_demangle(symbol, data, &size, &status))) { + data = (data != demangled ? demangled : data); printf("trace: %s\n", demangled); - free(demangled); // so pointless... return; } } |