Hi,
We had a NOP cache clear, but there is a suitable mechanism provided
by a system call. This connects it up.
tested on i686, x86_64-darwin and x86_64-linux
pushed to master, thanks
Iain
Signed-off-by: Iain Sandoe <i...@sandoe.co.uk>
gcc/ChangeLog:
* config/i386/darwin.h (CLEAR_INSN_CACHE): New.
---
gcc/config/i386/darwin.h | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/gcc/config/i386/darwin.h b/gcc/config/i386/darwin.h
index 73b06e2307d..da0ae5b3ee7 100644
--- a/gcc/config/i386/darwin.h
+++ b/gcc/config/i386/darwin.h
@@ -344,3 +344,8 @@ along with GCC; see the file COPYING3. If not see
#undef SUBTARGET_SHADOW_OFFSET
#define SUBTARGET_SHADOW_OFFSET \
(TARGET_LP64 ? HOST_WIDE_INT_1 << 44 : HOST_WIDE_INT_1 << 29)
+
+#undef CLEAR_INSN_CACHE
+#define CLEAR_INSN_CACHE(beg, end) \
+ extern void sys_icache_invalidate(void *start, size_t len); \
+ sys_icache_invalidate ((beg), (size_t)((end)-(beg)))
--
2.24.3 (Apple Git-128)
