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| author | Ian Lance Taylor <ian@gcc.gnu.org> | 2017-11-09 21:56:59 +0000 |
|---|---|---|
| committer | Ian Lance Taylor <ian@gcc.gnu.org> | 2017-11-09 21:56:59 +0000 |
| commit | 5ac29058f01502c407a7b77ec57a08c96941f796 (patch) | |
| tree | 86e5c9abbcc0655073df1ceafdd557cfeca4d68a /libgo/runtime/runtime.h | |
| parent | d60edaba4fc4e75824f27291ff448bf48118b3f4 (diff) | |
| download | gcc-5ac29058f01502c407a7b77ec57a08c96941f796.zip gcc-5ac29058f01502c407a7b77ec57a08c96941f796.tar.gz gcc-5ac29058f01502c407a7b77ec57a08c96941f796.tar.bz2 | |
sync/atomic, runtime/internal/atomic: don't assume reads from 0 fail
For a misaligned address force a panic rather than assuming that reading
from the address 0 will cause one.
Reviewed-on: https://go-review.googlesource.com/69850
From-SVN: r254610
Diffstat (limited to 'libgo/runtime/runtime.h')
| -rw-r--r-- | libgo/runtime/runtime.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/libgo/runtime/runtime.h b/libgo/runtime/runtime.h index dd5a958..39b5ef8 100644 --- a/libgo/runtime/runtime.h +++ b/libgo/runtime/runtime.h @@ -211,6 +211,8 @@ extern uint32 runtime_panicking(void) extern bool runtime_isstarted; extern bool runtime_isarchive; +extern void panicmem(void) __asm__ (GOSYM_PREFIX "runtime.panicmem"); + /* * common functions and data */ |