diff options
| author | Richard Henderson <richard.henderson@linaro.org> | 2022-10-24 22:15:04 +1000 |
|---|---|---|
| committer | Richard Henderson <richard.henderson@linaro.org> | 2022-11-01 07:28:53 +1100 |
| commit | 6392bd6b90a488b3254b1cb85d79bf262ed5f9e0 (patch) | |
| tree | a9b822d7b52a69c8aa41177cb569180b0505f0ef /include/exec | |
| parent | 9dd1d56e570e5119fef2b28fda811d6891e597a8 (diff) | |
accel/tcg: Introduce cpu_unwind_state_data
Add a way to examine the unwind data without actually
restoring the data back into env.
Reviewed-by: Claudio Fontana <cfontana@suse.de>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'include/exec')
| -rw-r--r-- | include/exec/exec-all.h | 21 |
1 files changed, 17 insertions, 4 deletions
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h index e948992a80..7d851f5907 100644 --- a/include/exec/exec-all.h +++ b/include/exec/exec-all.h @@ -40,19 +40,32 @@ typedef ram_addr_t tb_page_addr_t; #endif /** + * cpu_unwind_state_data: + * @cpu: the cpu context + * @host_pc: the host pc within the translation + * @data: output data + * + * Attempt to load the the unwind state for a host pc occurring in + * translated code. If @host_pc is not in translated code, the + * function returns false; otherwise @data is loaded. + * This is the same unwind info as given to restore_state_to_opc. + */ +bool cpu_unwind_state_data(CPUState *cpu, uintptr_t host_pc, uint64_t *data); + +/** * cpu_restore_state: - * @cpu: the vCPU state is to be restore to - * @searched_pc: the host PC the fault occurred at + * @cpu: the cpu context + * @host_pc: the host pc within the translation * @will_exit: true if the TB executed will be interrupted after some cpu adjustments. Required for maintaining the correct icount valus * @return: true if state was restored, false otherwise * * Attempt to restore the state for a fault occurring in translated - * code. If the searched_pc is not in translated code no state is + * code. If @host_pc is not in translated code no state is * restored and the function returns false. */ -bool cpu_restore_state(CPUState *cpu, uintptr_t searched_pc, bool will_exit); +bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc, bool will_exit); G_NORETURN void cpu_loop_exit_noexc(CPUState *cpu); G_NORETURN void cpu_loop_exit(CPUState *cpu); |