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| author | Iain Sandoe <iains@gcc.gnu.org> | 2012-02-15 23:39:28 +0000 |
|---|---|---|
| committer | Patrick Marlier <pmarlier@gcc.gnu.org> | 2012-02-15 23:39:28 +0000 |
| commit | e948a1fbd4dc864dfb5ff9e5511e03c630416e5a (patch) | |
| tree | 6b555950db9f790ccbc9a8b2d3739d727cd63bb2 /libgcc/config/darwin-crt-tm.c | |
| parent | e3a66c388451d35712a345ee98fb242b116caf10 (diff) | |
| download | gcc-e948a1fbd4dc864dfb5ff9e5511e03c630416e5a.tar.gz | |
re PR libitm/52220 (FAIL: libitm.c++/eh-1.C execution test due to Xcode 4 weakref linker bug)
libitm/
2012-02-15 Iain Sandoe <iains@gcc.gnu.org>
Patrick Marlier <patrick.marlier@gmail.com>
PR libitm/52220
* alloc_cpp.cc: No dummy definitions for darwin.
* eh_cpp.cc: Likewise.
libgcc/
2012-02-15 Iain Sandoe <iains@gcc.gnu.org>
Patrick Marlier <patrick.marlier@gmail.com>
PR libitm/52220
* config/darwin-crt-tm.c: Generate dummy functions.
Co-Authored-By: Patrick Marlier <patrick.marlier@gmail.com>
From-SVN: r184293
Diffstat (limited to 'libgcc/config/darwin-crt-tm.c')
| -rw-r--r-- | libgcc/config/darwin-crt-tm.c | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/libgcc/config/darwin-crt-tm.c b/libgcc/config/darwin-crt-tm.c index 78053f659a8..319b4f89389 100644 --- a/libgcc/config/darwin-crt-tm.c +++ b/libgcc/config/darwin-crt-tm.c @@ -39,6 +39,7 @@ see the files COPYING3 and COPYING.RUNTIME respectively. If not, see #endif #define WEAK __attribute__((weak)) +#define UNUSED __attribute__((unused)) extern void _ITM_registerTMCloneTable (void *, size_t) WEAK; extern void _ITM_deregisterTMCloneTable (void *) WEAK; @@ -103,3 +104,46 @@ void __doTMdeRegistrations (void) } #endif + +/* Provide dummy functions to satisfy linkage for versions of the Darwin + tool-chain that that can't handle undefined weak refs at the link stage. + ??? Define these dummy functions only when !HAVE_ELF_STYLE_WEAKREF. */ + +extern void *__cxa_allocate_exception (size_t) WEAK; +extern void __cxa_throw (void *, void *, void *) WEAK; +extern void *__cxa_begin_catch (void *) WEAK; +extern void *__cxa_end_catch (void) WEAK; +extern void __cxa_tm_cleanup (void *, void *, unsigned int) WEAK; + +extern void *_ZnwX (size_t) WEAK; +extern void _ZdlPv (void *) WEAK; +extern void *_ZnaX (size_t) WEAK; +extern void _ZdaPv (void *) WEAK; + +typedef const struct nothrow_t { } *c_nothrow_p; + +extern void *_ZnwXRKSt9nothrow_t (size_t, c_nothrow_p) WEAK; +extern void _ZdlPvRKSt9nothrow_t (void *, c_nothrow_p) WEAK; +extern void *_ZnaXRKSt9nothrow_t (size_t, c_nothrow_p) WEAK; +extern void _ZdaPvRKSt9nothrow_t (void *, c_nothrow_p) WEAK; + +void *__cxa_allocate_exception (size_t s UNUSED) { return NULL; } +void __cxa_throw (void * a UNUSED, void * b UNUSED, void * c UNUSED) + { return; } +void *__cxa_begin_catch (void * a UNUSED) { return NULL; } +void *__cxa_end_catch (void) { return NULL; } +void __cxa_tm_cleanup (void * a UNUSED, void * b UNUSED, unsigned int c UNUSED) + { return; } + +void *_ZnwX (size_t s UNUSED) { return NULL; } +void _ZdlPv (void * a UNUSED) { return; } +void *_ZnaX (size_t s UNUSED) { return NULL; } +void _ZdaPv (void * a UNUSED) { return; } + +void *_ZnwXRKSt9nothrow_t (size_t s UNUSED, c_nothrow_p b UNUSED) + { return NULL; } +void _ZdlPvRKSt9nothrow_t (void * a UNUSED, c_nothrow_p b UNUSED) { return; } +void *_ZnaXRKSt9nothrow_t (size_t s UNUSED, c_nothrow_p b UNUSED) + { return NULL; } +void _ZdaPvRKSt9nothrow_t (void * a UNUSED, c_nothrow_p b UNUSED) { return; } + |