diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2017-11-14 10:34:20 +0100 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2017-11-15 10:33:27 +0100 |
| commit | ec603b5584fa71213ef8f324fe89e4b27cc9d2bc (patch) | |
| tree | c7f47f8089dfc90c0920a3aa42bd6af9cc972bf2 /accel/tcg/cputlb.c | |
| parent | 1fa0f627d03cd0d0755924247cafeb42969016bf (diff) | |
| download | qemu-ec603b5584fa71213ef8f324fe89e4b27cc9d2bc.zip | |
tcg: Record code_gen_buffer address for user-only memory helpers
When we handle a signal from a fault within a user-only memory helper,
we cannot cpu_restore_state with the PC found within the signal frame.
Use a TLS variable, helper_retaddr, to record the unwind start point
to find the faulting guest insn.
Tested-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Reported-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'accel/tcg/cputlb.c')
| -rw-r--r-- | accel/tcg/cputlb.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/accel/tcg/cputlb.c b/accel/tcg/cputlb.c index a23919c3a8..d071ca4d14 100644 --- a/accel/tcg/cputlb.c +++ b/accel/tcg/cputlb.c @@ -1041,6 +1041,7 @@ static void *atomic_mmu_lookup(CPUArchState *env, target_ulong addr, #define ATOMIC_NAME(X) \ HELPER(glue(glue(glue(atomic_ ## X, SUFFIX), END), _mmu)) #define ATOMIC_MMU_LOOKUP atomic_mmu_lookup(env, addr, oi, retaddr) +#define ATOMIC_MMU_CLEANUP do { } while (0) #define DATA_SIZE 1 #include "atomic_template.h" |