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| author | dannysmith <dannysmith@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-11-01 06:23:12 +0000 |
|---|---|---|
| committer | dannysmith <dannysmith@138bc75d-0d04-0410-961f-82ee72b054a4> | 2006-11-01 06:23:12 +0000 |
| commit | d91ef9b080d6973de3f2a6851855a03b54743d52 (patch) | |
| tree | a6f02d60df84edc128eac9c800531bb6b5dc6bbb /gcc/doc/tm.texi | |
| parent | a39e926c3645803ac16fcfdd6184ab7e05bb29a7 (diff) | |
| download | gcc-d91ef9b080d6973de3f2a6851855a03b54743d52.tar.gz | |
* target.h (targetm.cxx.use_atexit_for_cxa_atexit): New target
hook.
* target-def.h: (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Define
default.
* config/i386/mingw32.h (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT):
Override default.
* doc/tm.texi (TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT): Document.
* configure.ac (use_cxa_atexit): As a special case, don't test
for libc definition of __cxa_atexit on mingw32
* configure: Regenerate.
* config.gcc (i[34567]86-pc-mingw32): Default to
enable__cxa_atexit=yes.
cp
* decl.c (get_atexit_node): Reference atexit, not __cxa_exit.
if targetm.cxx.use_atexit_for cxa_atexit.
(start_cleanup_fn): Likewise.
(register_dtor_fn): Likewise.
git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@118371 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/doc/tm.texi')
| -rw-r--r-- | gcc/doc/tm.texi | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/gcc/doc/tm.texi b/gcc/doc/tm.texi index cc448bcc687..c4dc052ddbe 100644 --- a/gcc/doc/tm.texi +++ b/gcc/doc/tm.texi @@ -8971,6 +8971,14 @@ should be used to register static destructors when @option{-fuse-cxa-atexit} is in effect. The default is to return false to use @code{__cxa_atexit}. @end deftypefn +@deftypefn {Target Hook} bool TARGET_CXX_USE_ATEXIT_FOR_CXA_ATEXIT (void) +This hook returns true if the target @code{atexit} function can be used +in the same manner as @code{__cxa_atexit} to register C++ static +destructors. This requires that @code{atexit}-registered functions in +shared libraries are run in the correct order when the libraries are +unloaded. The default is to return false. +@end deftypefn + @deftypefn {Target Hook} void TARGET_CXX_ADJUST_CLASS_AT_DEFINITION (tree @var{type}) @var{type} is a C++ class (i.e., RECORD_TYPE or UNION_TYPE) that has just been defined. Use this hook to make adjustments to the class (eg, tweak |