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authorWarner Losh <imp@bsdimp.com>2021-09-23 15:15:08 -0600
committerWarner Losh <imp@bsdimp.com>2022-01-07 22:58:51 -0700
commit156d75579f116e7da27c3c26a0964d43ba3076d2 (patch)
treed110f31a3482107629a4f0ffa2b7a83936199e31 /bsd-user
parent883d19ccf92d66fcfb72bd1b744cc8a61552419a (diff)
bsd-user/arm/target_arch_signal.h: arm specific signal registers and stack
Defines for registers and stack layout related to signals. Signed-off-by: Stacey Son <sson@FreeBSD.org> Signed-off-by: Warner Losh <imp@bsdimp.com> Reviewed-by: Kyle Evans <kevans@FreeBSD.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Diffstat (limited to 'bsd-user')
-rw-r--r--bsd-user/arm/target_arch_signal.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/bsd-user/arm/target_arch_signal.h b/bsd-user/arm/target_arch_signal.h
new file mode 100644
index 0000000000..973183d99c
--- /dev/null
+++ b/bsd-user/arm/target_arch_signal.h
@@ -0,0 +1,57 @@
+/*
+ * arm signal definitions
+ *
+ * Copyright (c) 2013 Stacey D. Son
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, see <http://www.gnu.org/licenses/>.
+ */
+#ifndef _TARGET_ARCH_SIGNAL_H_
+#define _TARGET_ARCH_SIGNAL_H_
+
+#include "cpu.h"
+
+#define TARGET_REG_R0 0
+#define TARGET_REG_R1 1
+#define TARGET_REG_R2 2
+#define TARGET_REG_R3 3
+#define TARGET_REG_R4 4
+#define TARGET_REG_R5 5
+#define TARGET_REG_R6 6
+#define TARGET_REG_R7 7
+#define TARGET_REG_R8 8
+#define TARGET_REG_R9 9
+#define TARGET_REG_R10 10
+#define TARGET_REG_R11 11
+#define TARGET_REG_R12 12
+#define TARGET_REG_R13 13
+#define TARGET_REG_R14 14
+#define TARGET_REG_R15 15
+#define TARGET_REG_CPSR 16
+#define TARGET__NGREG 17
+/* Convenience synonyms */
+#define TARGET_REG_FP TARGET_REG_R11
+#define TARGET_REG_SP TARGET_REG_R13
+#define TARGET_REG_LR TARGET_REG_R14
+#define TARGET_REG_PC TARGET_REG_R15
+
+#define TARGET_INSN_SIZE 4 /* arm instruction size */
+
+/* Size of the signal trampolin code. See _sigtramp(). */
+#define TARGET_SZSIGCODE ((abi_ulong)(9 * TARGET_INSN_SIZE))
+
+/* compare to arm/include/_limits.h */
+#define TARGET_MINSIGSTKSZ (1024 * 4) /* min sig stack size */
+#define TARGET_SIGSTKSZ (TARGET_MINSIGSTKSZ + 32768) /* recommended size */
+
+#endif /* !_TARGET_ARCH_SIGNAL_H_ */