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bsd-user/arm/target_arch_signal.h: arm machine context and trapframe for signals 

Signed-off-by: Stacey Son <sson@FreeBSD.org>
Signed-off-by: Kyle Evans <kevans@FreeBSD.org>
Signed-off-by: Warner Losh <imp@bsdimp.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
staging
Warner Losh 2021-09-23 15:17:03 -06:00
parent 156d75579f
commit 03fd4028f1
1 changed files with 28 additions and 0 deletions
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28
bsd-user/arm/target_arch_signal.h
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@ -54,4 +54,32 @@
#define TARGET_MINSIGSTKSZ (1024 * 4) /* min sig stack size */
#define TARGET_SIGSTKSZ (TARGET_MINSIGSTKSZ + 32768) /* recommended size */
/*
* Floating point register state
*/
typedef struct target_mcontext_vfp {
abi_ullong mcv_reg[32];
abi_ulong mcv_fpscr;
} target_mcontext_vfp_t;
typedef struct target_mcontext {
abi_uint __gregs[TARGET__NGREG];
/*
* Originally, rest of this structure was named __fpu, 35 * 4 bytes
* long, never accessed from kernel.
*/
abi_ulong mc_vfp_size;
abi_ptr mc_vfp_ptr;
abi_int mc_spare[33];
} target_mcontext_t;
#include "target_os_ucontext.h"
struct target_sigframe {
target_siginfo_t sf_si; /* saved siginfo */
target_ucontext_t sf_uc; /* saved ucontext */
target_mcontext_vfp_t sf_vfp; /* actual saved VFP context */
};
#endif /* !_TARGET_ARCH_SIGNAL_H_ */