From 422e2fc06270497c479de0da7408158cc5e31c9a Mon Sep 17 00:00:00 2001 From: Ian Lance Taylor Date: Thu, 31 Jan 2013 16:41:15 +0000 Subject: [PATCH] runtime: Don't allocate when doing a backtrace. From-SVN: r195615 --- libgo/runtime/go-callers.c | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/libgo/runtime/go-callers.c b/libgo/runtime/go-callers.c index ea6b5db1bcb..2154a8ae4af 100644 --- a/libgo/runtime/go-callers.c +++ b/libgo/runtime/go-callers.c @@ -43,8 +43,14 @@ callback (void *data, uintptr_t pc, const char *filename, int lineno, loc = &arg->locbuf[arg->index]; loc->pc = pc; - loc->filename = runtime_gostring ((const byte *) filename); - loc->function = runtime_gostring ((const byte *) function); + + /* The libbacktrace library says that these strings might disappear, + but with the current implementation they won't. We can't easily + allocate memory here, so for now assume that we can save a + pointer to the strings. */ + loc->filename = runtime_gostringnocopy ((const byte *) filename); + loc->function = runtime_gostringnocopy ((const byte *) function); + loc->lineno = lineno; ++arg->index; return arg->index >= arg->max; -- 2.30.2