1 files changed, 82 insertions, 0 deletions
diff --git a/bsd-user/aarch64/target_arch_signal.h b/bsd-user/aarch64/target_arch_signal.h
new file mode 100644
index 0000000..b72ba7a
--- /dev/null
+++ b/bsd-user/aarch64/target_arch_signal.h
@@ -0,0 +1,82 @@
+/*
+ * ARM AArch64 specific signal definitions for bsd-user
+ *
+ * Copyright (c) 2015 Stacey D. Son <sson at FreeBSD>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef TARGET_ARCH_SIGNAL_H
+#define TARGET_ARCH_SIGNAL_H
+
+#include "cpu.h"
+
+#define TARGET_REG_X0   0
+#define TARGET_REG_X30  30
+#define TARGET_REG_X31  31
+#define TARGET_REG_LR   TARGET_REG_X30
+#define TARGET_REG_SP   TARGET_REG_X31
+
+#define TARGET_INSN_SIZE    4       /* arm64 instruction size */
+
+/* Size of the signal trampolin code. See _sigtramp(). */
+#define TARGET_SZSIGCODE    ((abi_ulong)(9 * TARGET_INSN_SIZE))
+
+/* compare to sys/arm64/include/_limits.h */
+#define TARGET_MINSIGSTKSZ  (1024 * 4)                  /* min sig stack size */
+#define TARGET_SIGSTKSZ     (TARGET_MINSIGSTKSZ + 32768)  /* recommended size */
+
+/* struct __mcontext in sys/arm64/include/ucontext.h */
+
+struct target_gpregs {
+    uint64_t    gp_x[30];
+    uint64_t    gp_lr;
+    uint64_t    gp_sp;
+    uint64_t    gp_elr;
+    uint32_t    gp_spsr;
+    uint32_t    gp_pad;
+};
+
+struct target_fpregs {
+    Int128      fp_q[32];
+    uint32_t    fp_sr;
+    uint32_t    fp_cr;
+    uint32_t    fp_flags;
+    uint32_t    fp_pad;
+};
+
+struct target__mcontext {
+    struct target_gpregs mc_gpregs;
+    struct target_fpregs mc_fpregs;
+    uint32_t    mc_flags;
+#define TARGET_MC_FP_VALID  0x1
+    uint32_t    mc_pad;
+    uint64_t    mc_spare[8];
+};
+
+typedef struct target__mcontext target_mcontext_t;
+
+#define TARGET_MCONTEXT_SIZE 880
+#define TARGET_UCONTEXT_SIZE 960
+
+#include "target_os_ucontext.h"
+
+struct target_sigframe {
+    target_siginfo_t    sf_si;  /* saved siginfo */
+    target_ucontext_t   sf_uc;  /* saved ucontext */
+};
+
+#define TARGET_SIGSTACK_ALIGN 16
+
+#endif /* TARGET_ARCH_SIGNAL_H */