diff options
Diffstat (limited to 'recipes-core/cacao/files')
-rw-r--r-- | recipes-core/cacao/files/cacao-0.9.8-initial-fix-gc-undefined-behaviour.patch | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/recipes-core/cacao/files/cacao-0.9.8-initial-fix-gc-undefined-behaviour.patch b/recipes-core/cacao/files/cacao-0.9.8-initial-fix-gc-undefined-behaviour.patch new file mode 100644 index 0000000..ccc35cb --- /dev/null +++ b/recipes-core/cacao/files/cacao-0.9.8-initial-fix-gc-undefined-behaviour.patch @@ -0,0 +1,35 @@ +Upstream-Status: Backport + +This fixes undefined behaviour in boehm GC as suggested at +https://github.com/ivmai/bdwgc/commit/16780405c899f01119bc45167122b4242f6b34fb. + +The undefined behaviour at very least causes a segmentation fault during +classpath-native configure step. + +Signed-off-by: Erkka Kääriä <erkka.kaaria@intel.com> + +--- cacao-0.98/src/mm/boehm-gc/mark_rts.c ++++ cacao-0.98/src/mm/boehm-gc/mark_rts.c +@@ -371,18 +371,7 @@ ptr_t p; + + ptr_t GC_approx_sp() + { +- VOLATILE word dummy; +- +- dummy = 42; /* Force stack to grow if necessary. Otherwise the */ +- /* later accesses might cause the kernel to think we're */ +- /* doing something wrong. */ +-# ifdef _MSC_VER +-# pragma warning(disable:4172) +-# endif +- return((ptr_t)(&dummy)); +-# ifdef _MSC_VER +-# pragma warning(default:4172) +-# endif ++ return __builtin_frame_address(0); + } + + /* +-- +2.1.4 + |