Re: [PATCH 18/24] bsd-user/arm/target_arch_signal.h: arm machine context for signals

[Richard Henderson]

On 10/19/21 9:44 AM, Warner Losh wrote:
> +typedef struct {
> +    uint32_t    __fp_fpsr;
> +    struct {
> +        uint32_t    __fp_exponent;
> +        uint32_t    __fp_mantissa_hi;
> +        uint32_t    __fp_mantissa_lo;
> +    }       __fp_fr[8];
> +} target__fpregset_t;
> +
> +typedef struct {
> +    uint32_t    __vfp_fpscr;
> +    uint32_t    __vfp_fstmx[33];
> +    uint32_t    __vfp_fpsid;
> +} target__vfpregset_t;
> +
> +typedef struct target_mcontext {
> +    uint32_t        __gregs[TARGET__NGREG];
> +    union {
> +        target__fpregset_t  __fpregs;
> +        target__vfpregset_t __vfpregs;
> +    } __fpu;
> +} target_mcontext_t;

This doesn't match what I see in sys/arm/include/ucontext.h at all.
I don't even see the string "fstmx" anywhere in the source tree.


r~