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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2013-10-09 00:02:14 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2013-10-09 00:02:14 +0000 |
| commit | 7af190f113aecdbed44c6406ccefb81681580021 (patch) | |
| tree | 4161ee09ad51349a5080a6442ff772c8c3e965ae /libgo | |
| parent | 8ae4c35c1e267d5cfe10693dd0f81eb1883c0f59 (diff) | |
| download | gcc-7af190f113aecdbed44c6406ccefb81681580021.zip gcc-7af190f113aecdbed44c6406ccefb81681580021.tar.gz gcc-7af190f113aecdbed44c6406ccefb81681580021.tar.bz2 | |
runtime: Do not report thunks and recover functions in backtrace.
From-SVN: r203294
Diffstat (limited to 'libgo')
| -rw-r--r-- | libgo/runtime/go-callers.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/libgo/runtime/go-callers.c b/libgo/runtime/go-callers.c index dd1cf79..291dfd0 100644 --- a/libgo/runtime/go-callers.c +++ b/libgo/runtime/go-callers.c @@ -53,6 +53,21 @@ callback (void *data, uintptr_t pc, const char *filename, int lineno, return 0; } + /* Skip thunks and recover functions. There is no equivalent to + these functions in the gc toolchain, so returning them here means + significantly different results for runtime.Caller(N). */ + if (function != NULL) + { + const char *p; + + p = __builtin_strchr (function, '.'); + if (p != NULL && __builtin_strncmp (p + 1, "$thunk", 6) == 0) + return 0; + p = __builtin_strrchr (function, '$'); + if (p != NULL && __builtin_strcmp(p, "$recover") == 0) + return 0; + } + if (arg->skip > 0) { --arg->skip; |