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authorRichard Henderson <richard.henderson@linaro.org>2022-07-29 10:21:41 -0700
committerRichard Henderson <richard.henderson@linaro.org>2023-01-23 14:39:48 -1000
commit2466bb3b083f965ef1ec12368c07e7d1e2f0b4c4 (patch)
treee367c901090caae7bbdf7db83a27f47690c08eb5 /linux-user
parentffe98631b36ebb39a0478501e271e11a5feeb15f (diff)
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linux-user: Implment host/ppc/host-signal.h
This commit re-enables ppc32 as a linux-user host, as existance of the directory is noted by configure. Resolves: https://gitlab.com/qemu-project/qemu/-/issues/1097 Signed-off-by: Richard Henderson <richard.henderson@linaro.org> Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com> Message-Id: <20220729172141.1789105-3-richard.henderson@linaro.org>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/include/host/ppc/host-signal.h39
1 files changed, 39 insertions, 0 deletions
diff --git a/linux-user/include/host/ppc/host-signal.h b/linux-user/include/host/ppc/host-signal.h
new file mode 100644
index 0000000..de25c80
--- /dev/null
+++ b/linux-user/include/host/ppc/host-signal.h
@@ -0,0 +1,39 @@
+/*
+ * host-signal.h: signal info dependent on the host architecture
+ *
+ * Copyright (c) 2022 Linaro Ltd.
+ *
+ * This work is licensed under the terms of the GNU LGPL, version 2.1 or later.
+ * See the COPYING file in the top-level directory.
+ */
+
+#ifndef PPC_HOST_SIGNAL_H
+#define PPC_HOST_SIGNAL_H
+
+#include <asm/ptrace.h>
+
+/* The third argument to a SA_SIGINFO handler is ucontext_t. */
+typedef ucontext_t host_sigcontext;
+
+static inline uintptr_t host_signal_pc(host_sigcontext *uc)
+{
+ return uc->uc_mcontext.regs->nip;
+}
+
+static inline void host_signal_set_pc(host_sigcontext *uc, uintptr_t pc)
+{
+ uc->uc_mcontext.regs->nip = pc;
+}
+
+static inline void *host_signal_mask(host_sigcontext *uc)
+{
+ return &uc->uc_sigmask;
+}
+
+static inline bool host_signal_write(siginfo_t *info, host_sigcontext *uc)
+{
+ return uc->uc_mcontext.regs->trap != 0x400
+ && (uc->uc_mcontext.regs->dsisr & 0x02000000);
+}
+
+#endif