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authorAlex Bennée <alex.bennee@linaro.org>2018-06-22 17:09:10 +0100
committerAlex Bennée <alex.bennee@linaro.org>2018-07-05 15:59:41 +0100
commit708b6a643c7a974ffadf64e00019bdcd60edf6e5 (patch)
treed731b8484b605bb19dcdf47f6eb85cdee0794bf2 /linux-user
parentfe8bf5f62972ce9f227ae3e25767116a6d221b6d (diff)
linux-user: introduce preexit_cleanup
To avoid repeating ourselves move our preexit clean-up code into a helper function. I figured the continuing effort to split of the syscalls made it worthwhile creating a new file for it now. Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com> Reviewed-by: Laurent Vivier <laurent@vivier.eu>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/Makefile.objs2
-rw-r--r--linux-user/exit.c28
-rw-r--r--linux-user/qemu.h8
-rw-r--r--linux-user/syscall.c10
4 files changed, 39 insertions, 9 deletions
diff --git a/linux-user/Makefile.objs b/linux-user/Makefile.objs
index 59a5c17354..b5dfb71f25 100644
--- a/linux-user/Makefile.objs
+++ b/linux-user/Makefile.objs
@@ -1,7 +1,7 @@
obj-y = main.o syscall.o strace.o mmap.o signal.o \
elfload.o linuxload.o uaccess.o uname.o \
safe-syscall.o $(TARGET_ABI_DIR)/signal.o \
- $(TARGET_ABI_DIR)/cpu_loop.o
+ $(TARGET_ABI_DIR)/cpu_loop.o exit.o
obj-$(TARGET_HAS_BFLT) += flatload.o
obj-$(TARGET_I386) += vm86.o
diff --git a/linux-user/exit.c b/linux-user/exit.c
new file mode 100644
index 0000000000..aed8713fae
--- /dev/null
+++ b/linux-user/exit.c
@@ -0,0 +1,28 @@
+/*
+ * exit support for qemu
+ *
+ * Copyright (c) 2018 Alex Bennée <alex.bennee@linaro.org>
+ *
+ * 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/>.
+ */
+#include "qemu/osdep.h"
+#include "qemu.h"
+
+void preexit_cleanup(CPUArchState *env, int code)
+{
+#ifdef TARGET_GPROF
+ _mcleanup();
+#endif
+ gdb_exit(env, code);
+}
diff --git a/linux-user/qemu.h b/linux-user/qemu.h
index 793cd4df04..bb85c81aa4 100644
--- a/linux-user/qemu.h
+++ b/linux-user/qemu.h
@@ -623,6 +623,14 @@ static inline int is_error(abi_long ret)
return (abi_ulong)ret >= (abi_ulong)(-4096);
}
+/**
+ * preexit_cleanup: housekeeping before the guest exits
+ *
+ * env: the CPU state
+ * code: the exit code
+ */
+void preexit_cleanup(CPUArchState *env, int code);
+
/* Include target-specific struct and function definitions;
* they may need access to the target-independent structures
* above, so include them last.
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 50e20fb659..5822e03e28 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -8022,10 +8022,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
}
cpu_list_unlock();
-#ifdef TARGET_GPROF
- _mcleanup();
-#endif
- gdb_exit(cpu_env, arg1);
+ preexit_cleanup(cpu_env, arg1);
_exit(arg1);
ret = 0; /* avoid warning */
break;
@@ -10131,10 +10128,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
#ifdef __NR_exit_group
/* new thread calls */
case TARGET_NR_exit_group:
-#ifdef TARGET_GPROF
- _mcleanup();
-#endif
- gdb_exit(cpu_env, arg1);
+ preexit_cleanup(cpu_env, arg1);
ret = get_errno(exit_group(arg1));
break;
#endif