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>
diff --git a/bsd-user/arm/target_arch_signal.h b/bsd-user/arm/target_arch_signal.h
index 973183d..9527335 100644
--- a/bsd-user/arm/target_arch_signal.h
+++ b/bsd-user/arm/target_arch_signal.h
@@ -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_ */
