| commit | ec603b5584fa71213ef8f324fe89e4b27cc9d2bc | |
| author | Richard Henderson <richard.henderson@linaro.org> | |
| Tue, 14 Nov 2017 09:34:20 +0000 (14 10:34 +0100) | ||
| committer | Richard Henderson <richard.henderson@linaro.org> | |
| Wed, 15 Nov 2017 09:33:27 +0000 (15 10:33 +0100) | ||
| tree | c7f47f8089dfc90c0920a3aa42bd6af9cc972bf2 | treesnapshot (tar.gz zip) |
| parent | 1fa0f627d03cd0d0755924247cafeb42969016bf | commitdiff |
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>
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>