diff options
| -rw-r--r-- | accel/tcg/cpu-exec.c | 19 | ||||
| -rw-r--r-- | tcg/tcg-op-vec.c | 2 |
2 files changed, 20 insertions, 1 deletions
diff --git a/accel/tcg/cpu-exec.c b/accel/tcg/cpu-exec.c index d95c4848a4..66d38f9d85 100644 --- a/accel/tcg/cpu-exec.c +++ b/accel/tcg/cpu-exec.c @@ -504,6 +504,17 @@ static inline bool cpu_handle_exception(CPUState *cpu, int *ret) cc->do_interrupt(cpu); qemu_mutex_unlock_iothread(); cpu->exception_index = -1; + + if (unlikely(cpu->singlestep_enabled)) { + /* + * After processing the exception, ensure an EXCP_DEBUG is + * raised when single-stepping so that GDB doesn't miss the + * next instruction. + */ + *ret = EXCP_DEBUG; + cpu_handle_debug_exception(cpu); + return true; + } } else if (!replay_has_interrupt()) { /* give a chance to iothread in replay mode */ *ret = EXCP_INTERRUPT; @@ -577,7 +588,13 @@ static inline bool cpu_handle_interrupt(CPUState *cpu, else { if (cc->cpu_exec_interrupt(cpu, interrupt_request)) { replay_interrupt(); - cpu->exception_index = -1; + /* + * After processing the interrupt, ensure an EXCP_DEBUG is + * raised when single-stepping so that GDB doesn't miss the + * next instruction. + */ + cpu->exception_index = + (cpu->singlestep_enabled ? EXCP_DEBUG : -1); *last_tb = NULL; } /* The target hook may have updated the 'cpu->interrupt_request'; diff --git a/tcg/tcg-op-vec.c b/tcg/tcg-op-vec.c index f784517d84..ed6fb55fe1 100644 --- a/tcg/tcg-op-vec.c +++ b/tcg/tcg-op-vec.c @@ -657,7 +657,9 @@ static void do_minmax(unsigned vece, TCGv_vec r, TCGv_vec a, TCGv_vec b, TCGOpcode opc, TCGCond cond) { if (!do_op3(vece, r, a, b, opc)) { + const TCGOpcode *hold_list = tcg_swap_vecop_list(NULL); tcg_gen_cmpsel_vec(cond, vece, r, a, b, a, b); + tcg_swap_vecop_list(hold_list); } } |