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authorRichard Henderson <rth@twiddle.net>2016-12-15 09:58:14 -0800
committerRichard Henderson <rth@twiddle.net>2017-01-23 09:52:39 -0800
commit925ccf32364026f17764c454d4c5ecec3c4310ba (patch)
tree9ff248db5241736a00ad6f9cad4101c1684fd70d /linux-user/hppa
parent22991d19ab62bc48c2ef825b1278f2920005f9b4 (diff)
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linux-user: Add HPPA target_signal.h and target_cpu.h
The cpu.h structure that these manipulate hasn't been defined yet, but we haven't enabled compilation yet either. Signed-off-by: Richard Henderson <rth@twiddle.net>
Diffstat (limited to 'linux-user/hppa')
-rw-r--r--linux-user/hppa/target_cpu.h35
-rw-r--r--linux-user/hppa/target_signal.h29
2 files changed, 64 insertions, 0 deletions
diff --git a/linux-user/hppa/target_cpu.h b/linux-user/hppa/target_cpu.h
new file mode 100644
index 0000000..1a5ceca
--- /dev/null
+++ b/linux-user/hppa/target_cpu.h
@@ -0,0 +1,35 @@
+/*
+ * HPPA specific CPU ABI and functions for linux-user
+ *
+ * Copyright (c) 2016 Richard Henderson
+ *
+ * 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 ALPHA_TARGET_CPU_H
+#define ALPHA_TARGET_CPU_H
+
+static inline void cpu_clone_regs(CPUHPPAState *env, target_ulong newsp)
+{
+ if (newsp) {
+ env->gr[30] = newsp;
+ }
+ env->gr[28] = 0;
+}
+
+static inline void cpu_set_tls(CPUHPPAState *env, target_ulong newtls)
+{
+ env->cr27 = newtls;
+}
+
+#endif
diff --git a/linux-user/hppa/target_signal.h b/linux-user/hppa/target_signal.h
new file mode 100644
index 0000000..e115890
--- /dev/null
+++ b/linux-user/hppa/target_signal.h
@@ -0,0 +1,29 @@
+#ifndef HPPA_TARGET_SIGNAL_H
+#define HPPA_TARGET_SIGNAL_H
+
+#include "cpu.h"
+
+/* this struct defines a stack used during syscall handling */
+
+typedef struct target_sigaltstack {
+ abi_ulong ss_sp;
+ int32_t ss_flags;
+ abi_ulong ss_size;
+} target_stack_t;
+
+
+/*
+ * sigaltstack controls
+ */
+#define TARGET_SS_ONSTACK 1
+#define TARGET_SS_DISABLE 2
+
+#define TARGET_MINSIGSTKSZ 2048
+#define TARGET_SIGSTKSZ 8192
+
+static inline abi_ulong get_sp_from_cpustate(CPUHPPAState *state)
+{
+ return state->gr[30];
+}
+
+#endif /* HPPA_TARGET_SIGNAL_H */