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From: =?UTF-8?q?Alex=20Benn=C3=A9e?= <alex.bennee@linaro.org>
To: qemu-devel@nongnu.org
Cc: qemu-ppc@nongnu.org, Mahmoud Mandour <ma.mandourr@gmail.com>,
Thomas Huth <thuth@redhat.com>,
Daniel Henrique Barboza <danielhb413@gmail.com>,
Alistair Francis <alistair.francis@wdc.com>,
=?UTF-8?q?Alex=20Benn=C3=A9e?= <alex.bennee@linaro.org>,
Hao Wu <wuhaotsh@google.com>, Peter Xu <peterx@redhat.com>,
Warner Losh <imp@bsdimp.com>,
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=?UTF-8?q?Philippe=20Mathieu-Daud=C3=A9?= <philmd@linaro.org>,
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Laurent Vivier <laurent@vivier.eu>, Riku Voipio <riku.voipio@iki.fi>,
Bin Meng <bmeng.cn@gmail.com>, qemu-rust@nongnu.org,
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Liu Zhiwei <zhiwei_liu@linux.alibaba.com>, Weiwei Li <liwei1518@gmail.com>,
qemu-riscv@nongnu.org, Fabiano Rosas <farosas@suse.de>,
Tyrone Ting <kfting@nuvoton.com>, Paolo Bonzini <pbonzini@redhat.com>,
Nicholas Piggin <npiggin@gmail.com>, Alexandre Iooss <erdnaxe@crans.org>,
Ilya Leoshkevich <iii@linux.ibm.com>,
Richard Henderson <richard.henderson@linaro.org>
Subject: [PATCH 12/18] user: Introduce user/signal.h
Date: Mon, 3 Feb 2025 14:40:42 +0000
Message-Id: <20250203144048.2131117-13-alex.bennee@linaro.org>
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From: Ilya Leoshkevich <iii@linux.ibm.com>
gdbstub needs target_to_host_signal(), so move its declaration to a
public header.
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Reviewed-by: Warner Losh <imp@bsdimp.com>
Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
Message-Id: <20250117001542.8290-4-iii@linux.ibm.com>
Signed-off-by: Alex Benn=C3=A9e <alex.bennee@linaro.org>
---
bsd-user/signal-common.h | 1 -
include/user/signal.h | 23 +++++++++++++++++++++++
linux-user/signal-common.h | 1 -
bsd-user/signal.c | 1 +
linux-user/signal.c | 1 +
linux-user/syscall.c | 1 +
6 files changed, 26 insertions(+), 2 deletions(-)
create mode 100644 include/user/signal.h
diff --git a/bsd-user/signal-common.h b/bsd-user/signal-common.h
index 77d7c7a78b..4e634e04a3 100644
--- a/bsd-user/signal-common.h
+++ b/bsd-user/signal-common.h
@@ -42,7 +42,6 @@ void process_pending_signals(CPUArchState *env);
void queue_signal(CPUArchState *env, int sig, int si_type,
target_siginfo_t *info);
void signal_init(void);
-int target_to_host_signal(int sig);
void target_to_host_sigset(sigset_t *d, const target_sigset_t *s);
=20
/*
diff --git a/include/user/signal.h b/include/user/signal.h
new file mode 100644
index 0000000000..19b6b9e5dd
--- /dev/null
+++ b/include/user/signal.h
@@ -0,0 +1,23 @@
+/*
+ * Signal-related declarations.
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
+#ifndef USER_SIGNAL_H
+#define USER_SIGNAL_H
+
+#ifndef CONFIG_USER_ONLY
+#error Cannot include this header from system emulation
+#endif
+
+/**
+ * target_to_host_signal:
+ * @sig: target signal.
+ *
+ * On success, return the host signal between 0 (inclusive) and NSIG
+ * (exclusive) corresponding to the target signal @sig. Return any other v=
alue
+ * on failure.
+ */
+int target_to_host_signal(int sig);
+
+#endif
diff --git a/linux-user/signal-common.h b/linux-user/signal-common.h
index 8584d9ecc2..196d2406f8 100644
--- a/linux-user/signal-common.h
+++ b/linux-user/signal-common.h
@@ -61,7 +61,6 @@ void queue_signal(CPUArchState *env, int sig, int si_type,
target_siginfo_t *info);
void host_to_target_siginfo(target_siginfo_t *tinfo, const siginfo_t *info=
);
void target_to_host_siginfo(siginfo_t *info, const target_siginfo_t *tinfo=
);
-int target_to_host_signal(int sig);
int host_to_target_signal(int sig);
long do_sigreturn(CPUArchState *env);
long do_rt_sigreturn(CPUArchState *env);
diff --git a/bsd-user/signal.c b/bsd-user/signal.c
index b4e1458237..8c51f6ce65 100644
--- a/bsd-user/signal.c
+++ b/bsd-user/signal.c
@@ -24,6 +24,7 @@
#include "user/cpu_loop.h"
#include "exec/page-protection.h"
#include "user/page-protection.h"
+#include "user/signal.h"
#include "user/tswap-target.h"
#include "gdbstub/user.h"
#include "signal-common.h"
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 087c4d270e..bffbef235c 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -36,6 +36,7 @@
#include "user/cpu_loop.h"
#include "user/page-protection.h"
#include "user/safe-syscall.h"
+#include "user/signal.h"
#include "tcg/tcg.h"
=20
/* target_siginfo_t must fit in gdbstub's siginfo save area. */
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 6ee02383da..90afaa4426 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -138,6 +138,7 @@
#include "user-mmap.h"
#include "user/page-protection.h"
#include "user/safe-syscall.h"
+#include "user/signal.h"
#include "qemu/guest-random.h"
#include "qemu/selfmap.h"
#include "user/syscall-trace.h"
--=20
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