LGTM.
Kito Cheng <k...@andestech.com> 於 2019年3月26日 週二 下午1:29寫道：
> From: Monk Chiang <m...@andestech.com>
>
> Monk Chiang <sh.chian...@gmail.com>
>
> ChangeLog
> libgcc/
> * config/nds32/linux-unwind.h (SIGRETURN): Remove.
> (RT_SIGRETURN): Update.
> (nds32_fallback_frame_state): Update.
> ---
> libgcc/config/nds32/linux-unwind.h | 9 +++------
> 1 file changed, 3 insertions(+), 6 deletions(-)
>
> diff --git a/libgcc/config/nds32/linux-unwind.h
> b/libgcc/config/nds32/linux-unwind.h
> index 0c4df4dd..adb6f9f 100644
> --- a/libgcc/config/nds32/linux-unwind.h
> +++ b/libgcc/config/nds32/linux-unwind.h
> @@ -42,8 +42,7 @@ struct _rt_sigframe {
> struct ucontext_t uc;
> };
>
> -#define SIGRETURN 0xeb0e0a64
> -#define RT_SIGRETURN 0xab150a64
> +#define RT_SIGRETURN 0x8b00f044
>
> #define MD_FALLBACK_FRAME_STATE_FOR nds32_fallback_frame_state
>
> @@ -74,16 +73,14 @@ nds32_fallback_frame_state (struct _Unwind_Context
> *context,
>
> /* Check if we are going through a signal handler.
> See arch/nds32/kernel/signal.c implementation.
> - SWI_SYS_SIGRETURN -> (0xeb0e0a64)
> - SWI_SYS_RT_SIGRETURN -> (0xab150a64)
> FIXME: Currently we only handle little endian (EL) case. */
> - if (pc[0] == SIGRETURN || pc[0] == RT_SIGRETURN)
> + if (pc[0] == RT_SIGRETURN)
> {
> /* Using '_sigfame' memory address to locate kernal's sigcontext.
> The sigcontext structures in
> arch/nds32/include/asm/sigcontext.h. */
> struct _rt_sigframe *rt_;
> rt_ = context->cfa;
> - sc_ = &rt_->sig.uc.uc_mcontext;
> + sc_ = &rt_->uc.uc_mcontext;
> }
> else
> return _URC_END_OF_STACK;
> --
> 1.8.3.1
>
>
