qemu/accel/tcg
Richard Henderson ec603b5584 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>
2017-11-15 10:33:27 +01:00
..
atomic_template.h tcg: Record code_gen_buffer address for user-only memory helpers 2017-11-15 10:33:27 +01:00
cpu-exec-common.c tcg: make tcg_allowed global 2017-07-04 16:01:16 +02:00
cpu-exec.c cpu-exec: Exit exclusive region on longjmp from step_atomic 2017-11-03 09:34:21 +01:00
cputlb.c tcg: Record code_gen_buffer address for user-only memory helpers 2017-11-15 10:33:27 +01:00
Makefile.objs accel/tcg: move tcg-runtime to accel/tcg/ 2017-09-17 06:52:19 -07:00
softmmu_template.h accel/tcg: allow to invalidate a write TLB entry immediately 2017-10-20 13:32:10 +02:00
tcg-all.c tcg: make tcg_allowed global 2017-07-04 16:01:16 +02:00
tcg-runtime.c tcg: define tcg_init_ctx and make tcg_ctx a pointer 2017-10-24 13:53:42 -07:00
tcg-runtime.h tcg: remove addr argument from lookup_tb_ptr 2017-10-10 07:37:10 -07:00
trace-events trace-events: fix code style: print 0x before hex numbers 2017-08-01 12:13:07 +01:00
translate-all.c accel/tcg/translate-all: expand cpu_restore_state addr check 2017-11-13 13:55:27 +00:00
translate-all.h tcg: move tcg backend files into accel/tcg/ 2017-06-15 11:04:06 +02:00
translator.c tcg: convert tb->cflags reads to tb_cflags(tb) 2017-10-24 13:53:41 -07:00
user-exec-stub.c accel/tcg: move user-exec to accel/tcg/ 2017-09-17 06:52:19 -07:00
user-exec.c tcg: Record code_gen_buffer address for user-only memory helpers 2017-11-15 10:33:27 +01:00