os-posix.c + os-win32.c and dependencies

+ Generate qemu-options.def instead of qemu-options.h

Change-Id: I043e6b0c1c58e5cc2e96d05465f39b42f9054b5a

15 files changed, 1063 insertions, 272 deletions

diff --git a/Makefile.android b/Makefile.android
index efc6fc3..ed8a965 100644
--- a/Makefile.android
+++ b/Makefile.android
@@ -152,11 +152,14 @@ start-emulator-library = \
 
 # Used with start-emulator-library
 end-emulator-library = \
-    $(eval include $(BUILD_HOST_STATIC_LIBRARY))
+    $(eval include $(BUILD_HOST_STATIC_LIBRARY)) \
+    $(eval EMULATOR_MODULE_TYPE := HOST_STATIC_LIBRARY)
 
 # A variant of start-emulator-library to start the definition of a host
 # program instead. Use with end-emulator-program
-start-emulator-program = $(call start-emulator-library,$1)
+start-emulator-program = \
+    $(call start-emulator-library,$1) \
+    $(eval EMULATOR_MODULE_TYPE := HOST_EXECUTABLES)
 
 # A varient of end-emulator-library for host programs instead
 end-emulator-program = \
diff --git a/Makefile.common b/Makefile.common
index 15d6801..c80b939 100644
--- a/Makefile.common
+++ b/Makefile.common
@@ -592,9 +592,10 @@ $(call end-emulator-library)
 ###
 ###  This defines a function that can be used inside a module definition
 ###
-###  $(call gen-hx-header,<input>,<source-files>)
+###  $(call gen-hx-header,<input>,<output>,<source-files>)
 ###
 ###  Where: <input> is the input file, with a .hx suffix (e.g. foo.hx)
+###         <output> is the output file, with a .h or .def suffix
 ###         <source-files> is a list of source files that include the header
 ###
 
@@ -602,16 +603,16 @@ $(call end-emulator-library)
 gen-hx-header = $(eval $(call gen-hx-header-ev,$1,$2,$3))
 
 define gen-hx-header-ev
-intermediates := $$(call intermediates-dir-for,EXECUTABLES,$$(LOCAL_MODULE),true)
-
-QEMU_HEADER_H := $$(intermediates)/$$(1:%.hx=%.h)
+intermediates := $$(call intermediates-dir-for,$$(EMULATOR_MODULE_TYPE),$$(LOCAL_MODULE),true)
+QEMU_HEADER_H := $$(intermediates)/$$2
 $$(QEMU_HEADER_H): PRIVATE_PATH := $$(LOCAL_PATH)
 $$(QEMU_HEADER_H): PRIVATE_CUSTOM_TOOL = $$(PRIVATE_PATH)/hxtool -h < $$< > $$@
 $$(QEMU_HEADER_H): $$(LOCAL_PATH)/$$1 $$(LOCAL_PATH)/hxtool
 	$$(transform-generated-source)
 
 LOCAL_GENERATED_SOURCES += $$(QEMU_HEADER_H)
-_objects := $$(patsubst %,$$(intermediates)/%,$$(2:.c=.o))
+LOCAL_C_INCLUDES += $$(intermediates)
+_objects := $$(patsubst %,$$(intermediates)/%,$$(3:.c=.o))
 $$(_objects): $$(QEMU_HEADER_H)
 endef
 
diff --git a/Makefile.target b/Makefile.target
index fb32582..0743987 100644
--- a/Makefile.target
+++ b/Makefile.target
@@ -206,6 +206,14 @@ MCHK_SOURCES := \
 
 LOCAL_SRC_FILES += $(MCHK_SOURCES:%=memcheck/%)
 
+# What a mess, os-posix.c depends on the exact values of options
+# which are target specific.
+ifeq ($(HOST_OS),windows)
+    LOCAL_SRC_FILES += os-win32.c oslib-win32.c
+else
+    LOCAL_SRC_FILES += os-posix.c oslib-posix.c
+endif
+$(call gen-hx-header,qemu-options.hx,qemu-options.def,os-posix.c os-win32.c)
 
 $(call end-emulator-library)
 
@@ -259,8 +267,8 @@ LOCAL_SRC_FILES := \
     android/protocol/core-commands-impl.c \
     android/protocol/core-commands-qemu.c \
 
-$(call gen-hx-header,qemu-monitor.hx,monitor.c)
-$(call gen-hx-header,qemu-options.hx,vl-android.c)
+$(call gen-hx-header,qemu-monitor.hx,qemu-monitor.h,monitor.c)
+$(call gen-hx-header,qemu-options.hx,qemu-options.def,vl-android.c)
 
 ifeq ($(HOST_OS),darwin)
     FRAMEWORKS := OpenGL Cocoa QuickTime ApplicationServices Carbon IOKit
@@ -337,8 +345,8 @@ LOCAL_SRC_FILES := \
     android/protocol/ui-commands-qemu.c \
     android/
 
-$(call gen-hx-header,qemu-monitor.hx,monitor.c)
-$(call gen-hx-header,qemu-options.hx,vl-android.c)
+$(call gen-hx-header,qemu-monitor.hx,qemu-monitor.h,monitor.c)
+$(call gen-hx-header,qemu-options.hx,qemu-options.def,vl-android.c)
 
 # The following files cannot be in static libraries because they contain
 # constructor functions that are otherwise stripped by the final linker
diff --git a/os-posix.c b/os-posix.c
new file mode 100644
index 0000000..324bf13
--- /dev/null
+++ b/os-posix.c
@@ -0,0 +1,398 @@
+/*
+ * os-posix.c
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ * Copyright (c) 2010 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <sys/types.h>
+#include <sys/wait.h>
+/*needed for MAP_POPULATE before including qemu-options.h */
+#include <sys/mman.h>
+#include <pwd.h>
+#include <libgen.h>
+
+/* Needed early for CONFIG_BSD etc. */
+#include "config-host.h"
+#include "sysemu.h"
+#include "net.h"
+#include "qemu-options.h"
+
+#ifdef CONFIG_LINUX
+#include <sys/prctl.h>
+#include <sys/syscall.h>
+#endif
+
+#ifdef CONFIG_EVENTFD
+#include <sys/eventfd.h>
+#endif
+
+static struct passwd *user_pwd;
+static const char *chroot_dir;
+static int daemonize;
+static int fds[2];
+
+void os_setup_early_signal_handling(void)
+{
+    struct sigaction act;
+    sigfillset(&act.sa_mask);
+    act.sa_flags = 0;
+    act.sa_handler = SIG_IGN;
+    sigaction(SIGPIPE, &act, NULL);
+}
+
+static void termsig_handler(int signal)
+{
+    qemu_system_shutdown_request();
+}
+
+static void sigchld_handler(int signal)
+{
+    waitpid(-1, NULL, WNOHANG);
+}
+
+void os_setup_signal_handling(void)
+{
+    struct sigaction act;
+
+    memset(&act, 0, sizeof(act));
+    act.sa_handler = termsig_handler;
+    sigaction(SIGINT,  &act, NULL);
+    sigaction(SIGHUP,  &act, NULL);
+    sigaction(SIGTERM, &act, NULL);
+
+    act.sa_handler = sigchld_handler;
+    act.sa_flags = SA_NOCLDSTOP;
+    sigaction(SIGCHLD, &act, NULL);
+}
+
+/* Find a likely location for support files using the location of the binary.
+   For installed binaries this will be "$bindir/../share/qemu".  When
+   running from the build tree this will be "$bindir/../pc-bios".  */
+#define SHARE_SUFFIX "/share/qemu"
+#define BUILD_SUFFIX "/pc-bios"
+char *os_find_datadir(const char *argv0)
+{
+    char *dir;
+    char *p = NULL;
+    char *res;
+    char buf[PATH_MAX];
+    size_t max_len;
+
+#if defined(__linux__)
+    {
+        int len;
+        len = readlink("/proc/self/exe", buf, sizeof(buf) - 1);
+        if (len > 0) {
+            buf[len] = 0;
+            p = buf;
+        }
+    }
+#elif defined(__FreeBSD__)
+    {
+        static int mib[4] = {CTL_KERN, KERN_PROC, KERN_PROC_PATHNAME, -1};
+        size_t len = sizeof(buf) - 1;
+
+        *buf = '\0';
+        if (!sysctl(mib, ARRAY_SIZE(mib), buf, &len, NULL, 0) &&
+            *buf) {
+            buf[sizeof(buf) - 1] = '\0';
+            p = buf;
+        }
+    }
+#endif
+    /* If we don't have any way of figuring out the actual executable
+       location then try argv[0].  */
+    if (!p) {
+        p = realpath(argv0, buf);
+        if (!p) {
+            return NULL;
+        }
+    }
+    dir = dirname(p);
+    dir = dirname(dir);
+
+    max_len = strlen(dir) +
+        MAX(strlen(SHARE_SUFFIX), strlen(BUILD_SUFFIX)) + 1;
+    res = qemu_mallocz(max_len);
+    snprintf(res, max_len, "%s%s", dir, SHARE_SUFFIX);
+    if (access(res, R_OK)) {
+        snprintf(res, max_len, "%s%s", dir, BUILD_SUFFIX);
+        if (access(res, R_OK)) {
+            qemu_free(res);
+            res = NULL;
+        }
+    }
+
+    return res;
+}
+#undef SHARE_SUFFIX
+#undef BUILD_SUFFIX
+
+void os_set_proc_name(const char *s)
+{
+#if defined(PR_SET_NAME)
+    char name[16];
+    if (!s)
+        return;
+    name[sizeof(name) - 1] = 0;
+    strncpy(name, s, sizeof(name));
+    /* Could rewrite argv[0] too, but that's a bit more complicated.
+       This simple way is enough for `top'. */
+    if (prctl(PR_SET_NAME, name)) {
+        perror("unable to change process name");
+        exit(1);
+    }
+#else
+    fprintf(stderr, "Change of process name not supported by your OS\n");
+    exit(1);
+#endif
+}
+
+/*
+ * Parse OS specific command line options.
+ * return 0 if option handled, -1 otherwise
+ */
+void os_parse_cmd_args(int index, const char *optarg)
+{
+    switch (index) {
+#ifdef CONFIG_SLIRP
+    case QEMU_OPTION_smb:
+#if 1
+        net_slirp_smb(optarg);
+#else
+        if (net_slirp_smb(optarg) < 0)
+            exit(1);
+#endif
+        break;
+#endif
+    case QEMU_OPTION_runas:
+        user_pwd = getpwnam(optarg);
+        if (!user_pwd) {
+            fprintf(stderr, "User \"%s\" doesn't exist\n", optarg);
+            exit(1);
+        }
+        break;
+    case QEMU_OPTION_chroot:
+        chroot_dir = optarg;
+        break;
+    case QEMU_OPTION_daemonize:
+        daemonize = 1;
+        break;
+    }
+    return;
+}
+
+static void change_process_uid(void)
+{
+    if (user_pwd) {
+        if (setgid(user_pwd->pw_gid) < 0) {
+            fprintf(stderr, "Failed to setgid(%d)\n", user_pwd->pw_gid);
+            exit(1);
+        }
+        if (setuid(user_pwd->pw_uid) < 0) {
+            fprintf(stderr, "Failed to setuid(%d)\n", user_pwd->pw_uid);
+            exit(1);
+        }
+        if (setuid(0) != -1) {
+            fprintf(stderr, "Dropping privileges failed\n");
+            exit(1);
+        }
+    }
+}
+
+static void change_root(void)
+{
+    if (chroot_dir) {
+        if (chroot(chroot_dir) < 0) {
+            fprintf(stderr, "chroot failed\n");
+            exit(1);
+        }
+        if (chdir("/")) {
+            perror("not able to chdir to /");
+            exit(1);
+        }
+    }
+
+}
+
+void os_daemonize(void)
+{
+    if (daemonize) {
+	pid_t pid;
+
+	if (pipe(fds) == -1)
+	    exit(1);
+
+	pid = fork();
+	if (pid > 0) {
+	    uint8_t status;
+	    ssize_t len;
+
+	    close(fds[1]);
+
+	again:
+            len = read(fds[0], &status, 1);
+            if (len == -1 && (errno == EINTR))
+                goto again;
+
+            if (len != 1)
+                exit(1);
+            else if (status == 1) {
+                fprintf(stderr, "Could not acquire pidfile: %s\n", strerror(errno));
+                exit(1);
+            } else
+                exit(0);
+	} else if (pid < 0)
+            exit(1);
+
+	close(fds[0]);
+	qemu_set_cloexec(fds[1]);
+
+	setsid();
+
+	pid = fork();
+	if (pid > 0)
+	    exit(0);
+	else if (pid < 0)
+	    exit(1);
+
+	umask(027);
+
+        signal(SIGTSTP, SIG_IGN);
+        signal(SIGTTOU, SIG_IGN);
+        signal(SIGTTIN, SIG_IGN);
+    }
+}
+
+void os_setup_post(void)
+{
+    int fd = 0;
+
+    if (daemonize) {
+	uint8_t status = 0;
+	ssize_t len;
+
+    again1:
+	len = write(fds[1], &status, 1);
+	if (len == -1 && (errno == EINTR))
+	    goto again1;
+
+	if (len != 1)
+	    exit(1);
+
+        if (chdir("/")) {
+            perror("not able to chdir to /");
+            exit(1);
+        }
+	TFR(fd = qemu_open("/dev/null", O_RDWR));
+	if (fd == -1)
+	    exit(1);
+    }
+
+    change_root();
+    change_process_uid();
+
+    if (daemonize) {
+        dup2(fd, 0);
+        dup2(fd, 1);
+        dup2(fd, 2);
+
+        close(fd);
+    }
+}
+
+void os_pidfile_error(void)
+{
+    if (daemonize) {
+        uint8_t status = 1;
+        if (write(fds[1], &status, 1) != 1) {
+            perror("daemonize. Writing to pipe\n");
+        }
+    } else
+        fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
+}
+
+void os_set_line_buffering(void)
+{
+    setvbuf(stdout, NULL, _IOLBF, 0);
+}
+
+/*
+ * Creates an eventfd that looks like a pipe and has EFD_CLOEXEC set.
+ */
+int qemu_eventfd(int fds[2])
+{
+#ifdef CONFIG_EVENTFD
+    int ret;
+
+    ret = eventfd(0, 0);
+    if (ret >= 0) {
+        fds[0] = ret;
+        qemu_set_cloexec(ret);
+        if ((fds[1] = dup(ret)) == -1) {
+            close(ret);
+            return -1;
+        }
+        qemu_set_cloexec(fds[1]);
+        return 0;
+    }
+
+    if (errno != ENOSYS) {
+        return -1;
+    }
+#endif
+
+    return qemu_pipe(fds);
+}
+
+int qemu_create_pidfile(const char *filename)
+{
+    char buffer[128];
+    int len;
+    int fd;
+
+    fd = qemu_open(filename, O_RDWR | O_CREAT, 0600);
+    if (fd == -1) {
+        return -1;
+    }
+    if (lockf(fd, F_TLOCK, 0) == -1) {
+        return -1;
+    }
+    len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
+    if (write(fd, buffer, len) != len) {
+        return -1;
+    }
+
+    return 0;
+}
+
+int qemu_get_thread_id(void)
+{
+#if defined (__linux__)
+    return syscall(SYS_gettid);
+#else
+    return getpid();
+#endif
+}
diff --git a/os-win32.c b/os-win32.c
new file mode 100644
index 0000000..d6d54c6
--- /dev/null
+++ b/os-win32.c
@@ -0,0 +1,273 @@
+/*
+ * os-win32.c
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ * Copyright (c) 2010 Red Hat, Inc.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include <windows.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <time.h>
+#include <errno.h>
+#include <sys/time.h>
+#include "config-host.h"
+#include "sysemu.h"
+#include "qemu-options.h"
+
+/***********************************************************/
+/* Functions missing in mingw */
+
+int setenv(const char *name, const char *value, int overwrite)
+{
+    int result = 0;
+    if (overwrite || !getenv(name)) {
+        size_t length = strlen(name) + strlen(value) + 2;
+        char *string = qemu_malloc(length);
+        snprintf(string, length, "%s=%s", name, value);
+        result = putenv(string);
+    }
+    return result;
+}
+
+/***********************************************************/
+/* Polling handling */
+
+typedef struct PollingEntry {
+    PollingFunc *func;
+    void *opaque;
+    struct PollingEntry *next;
+} PollingEntry;
+
+static PollingEntry *first_polling_entry;
+
+int qemu_add_polling_cb(PollingFunc *func, void *opaque)
+{
+    PollingEntry **ppe, *pe;
+    pe = qemu_mallocz(sizeof(PollingEntry));
+    pe->func = func;
+    pe->opaque = opaque;
+    for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next);
+    *ppe = pe;
+    return 0;
+}
+
+void qemu_del_polling_cb(PollingFunc *func, void *opaque)
+{
+    PollingEntry **ppe, *pe;
+    for(ppe = &first_polling_entry; *ppe != NULL; ppe = &(*ppe)->next) {
+        pe = *ppe;
+        if (pe->func == func && pe->opaque == opaque) {
+            *ppe = pe->next;
+            qemu_free(pe);
+            break;
+        }
+    }
+}
+
+/***********************************************************/
+/* Wait objects support */
+typedef struct WaitObjects {
+    int num;
+    HANDLE events[MAXIMUM_WAIT_OBJECTS + 1];
+    WaitObjectFunc *func[MAXIMUM_WAIT_OBJECTS + 1];
+    void *opaque[MAXIMUM_WAIT_OBJECTS + 1];
+} WaitObjects;
+
+static WaitObjects wait_objects = {0};
+
+int qemu_add_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
+{
+    WaitObjects *w = &wait_objects;
+
+    if (w->num >= MAXIMUM_WAIT_OBJECTS)
+        return -1;
+    w->events[w->num] = handle;
+    w->func[w->num] = func;
+    w->opaque[w->num] = opaque;
+    w->num++;
+    return 0;
+}
+
+void qemu_del_wait_object(HANDLE handle, WaitObjectFunc *func, void *opaque)
+{
+    int i, found;
+    WaitObjects *w = &wait_objects;
+
+    found = 0;
+    for (i = 0; i < w->num; i++) {
+        if (w->events[i] == handle)
+            found = 1;
+        if (found) {
+            w->events[i] = w->events[i + 1];
+            w->func[i] = w->func[i + 1];
+            w->opaque[i] = w->opaque[i + 1];
+        }
+    }
+    if (found)
+        w->num--;
+}
+
+void os_host_main_loop_wait(int *timeout)
+{
+    int ret, ret2, i;
+    PollingEntry *pe;
+
+    /* XXX: need to suppress polling by better using win32 events */
+    ret = 0;
+    for(pe = first_polling_entry; pe != NULL; pe = pe->next) {
+        ret |= pe->func(pe->opaque);
+    }
+    if (ret == 0) {
+        int err;
+        WaitObjects *w = &wait_objects;
+
+        qemu_mutex_unlock_iothread();
+        ret = WaitForMultipleObjects(w->num, w->events, FALSE, *timeout);
+        qemu_mutex_lock_iothread();
+        if (WAIT_OBJECT_0 + 0 <= ret && ret <= WAIT_OBJECT_0 + w->num - 1) {
+            if (w->func[ret - WAIT_OBJECT_0])
+                w->func[ret - WAIT_OBJECT_0](w->opaque[ret - WAIT_OBJECT_0]);
+
+            /* Check for additional signaled events */
+            for(i = (ret - WAIT_OBJECT_0 + 1); i < w->num; i++) {
+
+                /* Check if event is signaled */
+                ret2 = WaitForSingleObject(w->events[i], 0);
+                if(ret2 == WAIT_OBJECT_0) {
+                    if (w->func[i])
+                        w->func[i](w->opaque[i]);
+                } else if (ret2 == WAIT_TIMEOUT) {
+                } else {
+                    err = GetLastError();
+                    fprintf(stderr, "WaitForSingleObject error %d %d\n", i, err);
+                }
+            }
+        } else if (ret == WAIT_TIMEOUT) {
+        } else {
+            err = GetLastError();
+            fprintf(stderr, "WaitForMultipleObjects error %d %d\n", ret, err);
+        }
+    }
+
+    *timeout = 0;
+}
+
+static BOOL WINAPI qemu_ctrl_handler(DWORD type)
+{
+    exit(STATUS_CONTROL_C_EXIT);
+    return TRUE;
+}
+
+void os_setup_early_signal_handling(void)
+{
+    /* Note: cpu_interrupt() is currently not SMP safe, so we force
+       QEMU to run on a single CPU */
+    HANDLE h;
+    DWORD_PTR mask, smask;
+    int i;
+
+    SetConsoleCtrlHandler(qemu_ctrl_handler, TRUE);
+
+    h = GetCurrentProcess();
+    if (GetProcessAffinityMask(h, &mask, &smask)) {
+        for(i = 0; i < 32; i++) {
+            if (mask & (1 << i))
+                break;
+        }
+        if (i != 32) {
+            mask = 1 << i;
+            SetProcessAffinityMask(h, mask);
+        }
+    }
+}
+
+/* Look for support files in the same directory as the executable.  */
+char *os_find_datadir(const char *argv0)
+{
+    char *p;
+    char buf[MAX_PATH];
+    DWORD len;
+
+    len = GetModuleFileName(NULL, buf, sizeof(buf) - 1);
+    if (len == 0) {
+        return NULL;
+    }
+
+    buf[len] = 0;
+    p = buf + len - 1;
+    while (p != buf && *p != '\\')
+        p--;
+    *p = 0;
+    if (access(buf, R_OK) == 0) {
+        return qemu_strdup(buf);
+    }
+    return NULL;
+}
+
+void os_set_line_buffering(void)
+{
+    setbuf(stdout, NULL);
+    setbuf(stderr, NULL);
+}
+
+/*
+ * Parse OS specific command line options.
+ * return 0 if option handled, -1 otherwise
+ */
+void os_parse_cmd_args(int index, const char *optarg)
+{
+    return;
+}
+
+void os_pidfile_error(void)
+{
+    fprintf(stderr, "Could not acquire pid file: %s\n", strerror(errno));
+}
+
+int qemu_create_pidfile(const char *filename)
+{
+    char buffer[128];
+    int len;
+    HANDLE file;
+    OVERLAPPED overlap;
+    BOOL ret;
+    memset(&overlap, 0, sizeof(overlap));
+
+    file = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_READ, NULL,
+		      OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+
+    if (file == INVALID_HANDLE_VALUE) {
+        return -1;
+    }
+    len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
+    ret = WriteFileEx(file, (LPCVOID)buffer, (DWORD)len,
+		      &overlap, NULL);
+    if (ret == 0) {
+        return -1;
+    }
+    return 0;
+}
+
+int qemu_get_thread_id(void)
+{
+    return GetCurrentThreadId();
+}
diff --git a/osdep.c b/osdep.c
index 46c779d..5879eed 100644
--- a/osdep.c
+++ b/osdep.c
@@ -37,10 +37,6 @@
 #include <sys/statvfs.h>
 #endif
 
-#ifdef CONFIG_EVENTFD
-#include <sys/eventfd.h>
-#endif
-
 #ifdef _WIN32
 #include <windows.h>
 #elif defined(CONFIG_BSD)
@@ -63,191 +59,7 @@ typedef int32_t socklen_t;
 #include "sysemu.h"
 #include "qemu_socket.h"
 
-#if !defined(_POSIX_C_SOURCE) || defined(_WIN32) || defined(__sun__) || defined(__APPLE__)
-static void *oom_check(void *ptr)
-{
-    if (ptr == NULL) {
-#if defined(_WIN32)
-        fprintf(stderr, "Failed to allocate memory: %lu\n", GetLastError());
-#else
-        fprintf(stderr, "Failed to allocate memory: %s\n", strerror(errno));
-#endif
-        abort();
-    }
-    return ptr;
-}
-#endif
-
-#if defined(_WIN32)
-void *qemu_memalign(size_t alignment, size_t size)
-{
-    if (!size) {
-        abort();
-    }
-    return oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
-}
-
-void *qemu_vmalloc(size_t size)
-{
-    /* FIXME: this is not exactly optimal solution since VirtualAlloc
-       has 64Kb granularity, but at least it guarantees us that the
-       memory is page aligned. */
-    if (!size) {
-        abort();
-    }
-    return oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
-}
-
-void qemu_vfree(void *ptr)
-{
-    VirtualFree(ptr, 0, MEM_RELEASE);
-}
-
-#else
-
-void *qemu_memalign(size_t alignment, size_t size)
-{
-#if defined(_POSIX_C_SOURCE) && !defined(__sun__) && !defined(__APPLE__)
-    int ret;
-    void *ptr;
-    ret = posix_memalign(&ptr, alignment, size);
-    if (ret != 0) {
-        fprintf(stderr, "Failed to allocate %zu B: %s\n",
-                size, strerror(ret));
-        abort();
-    }
-    return ptr;
-#elif defined(CONFIG_BSD)
-    return oom_check(valloc(size));
-#else
-    return oom_check(memalign(alignment, size));
-#endif
-}
-
-/* alloc shared memory pages */
-void *qemu_vmalloc(size_t size)
-{
-    return qemu_memalign(getpagesize(), size);
-}
-
-void qemu_vfree(void *ptr)
-{
-    free(ptr);
-}
-
-#endif
-
-int qemu_create_pidfile(const char *filename)
-{
-    char buffer[128];
-    int len;
-#ifndef _WIN32
-    int fd;
-
-    fd = qemu_open(filename, O_RDWR | O_CREAT, 0600);
-    if (fd == -1)
-        return -1;
-
-    if (lockf(fd, F_TLOCK, 0) == -1)
-        return -1;
-
-    len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
-    if (write(fd, buffer, len) != len)
-        return -1;
-#else
-    HANDLE file;
-    OVERLAPPED overlap;
-    BOOL ret;
-    memset(&overlap, 0, sizeof(overlap));
-
-    file = CreateFile(filename, GENERIC_WRITE, FILE_SHARE_READ, NULL,
-		      OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
-
-    if (file == INVALID_HANDLE_VALUE)
-      return -1;
-
-    len = snprintf(buffer, sizeof(buffer), "%ld\n", (long)getpid());
-    ret = WriteFileEx(file, (LPCVOID)buffer, (DWORD)len,
-		      &overlap, NULL);
-    if (ret == 0)
-      return -1;
-#endif
-    return 0;
-}
-
-#ifdef _WIN32
-
-/* mingw32 needs ffs for compilations without optimization. */
-int ffs(int i)
-{
-    /* Use gcc's builtin ffs. */
-    return __builtin_ffs(i);
-}
 
-/* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */
-#define _W32_FT_OFFSET (116444736000000000ULL)
-
-int qemu_gettimeofday(qemu_timeval *tp)
-{
-  union {
-    unsigned long long ns100; /*time since 1 Jan 1601 in 100ns units */
-    FILETIME ft;
-  }  _now;
-
-  if(tp)
-    {
-      GetSystemTimeAsFileTime (&_now.ft);
-      tp->tv_usec=(long)((_now.ns100 / 10ULL) % 1000000ULL );
-      tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000ULL);
-    }
-  /* Always return 0 as per Open Group Base Specifications Issue 6.
-     Do not set errno on error.  */
-  return 0;
-}
-#endif /* _WIN32 */
-
-
-#ifdef _WIN32
-#ifndef CONFIG_ANDROID
-void socket_set_nonblock(int fd)
-{
-    unsigned long opt = 1;
-    ioctlsocket(fd, FIONBIO, &opt);
-}
-#endif
-
-int inet_aton(const char *cp, struct in_addr *ia)
-{
-    uint32_t addr = inet_addr(cp);
-    if (addr == 0xffffffff)
-	return 0;
-    ia->s_addr = addr;
-    return 1;
-}
-
-void qemu_set_cloexec(int fd)
-{
-}
-
-#else
-
-#ifndef CONFIG_ANDROID
-void socket_set_nonblock(int fd)
-{
-    int f;
-    f = fcntl(fd, F_GETFL);
-    fcntl(fd, F_SETFL, f | O_NONBLOCK);
-}
-#endif
-
-void qemu_set_cloexec(int fd)
-{
-    int f;
-    f = fcntl(fd, F_GETFD);
-    fcntl(fd, F_SETFD, f | FD_CLOEXEC);
-}
-
-#endif
 
 /*
  * Opens a file with FD_CLOEXEC set
@@ -309,58 +121,6 @@ ssize_t qemu_write_full(int fd, const void *buf, size_t count)
     return total;
 }
 
-#ifndef _WIN32
-/*
- * Creates an eventfd that looks like a pipe and has EFD_CLOEXEC set.
- */
-int qemu_eventfd(int fds[2])
-{
-#ifdef CONFIG_EVENTFD
-    int ret;
-
-    ret = eventfd(0, 0);
-    if (ret >= 0) {
-        fds[0] = ret;
-        qemu_set_cloexec(ret);
-        if ((fds[1] = dup(ret)) == -1) {
-            close(ret);
-            return -1;
-        }
-        qemu_set_cloexec(fds[1]);
-        return 0;
-    }
-
-    if (errno != ENOSYS) {
-        return -1;
-    }
-#endif
-
-    return qemu_pipe(fds);
-}
-
-/*
- * Creates a pipe with FD_CLOEXEC set on both file descriptors
- */
-int qemu_pipe(int pipefd[2])
-{
-    int ret;
-
-#ifdef CONFIG_PIPE2
-    ret = pipe2(pipefd, O_CLOEXEC);
-    if (ret != -1 || errno != ENOSYS) {
-        return ret;
-    }
-#endif
-    ret = pipe(pipefd);
-    if (ret == 0) {
-        qemu_set_cloexec(pipefd[0]);
-        qemu_set_cloexec(pipefd[1]);
-    }
-
-    return ret;
-}
-#endif
-
 /*
  * Opens a socket with FD_CLOEXEC set
  */
diff --git a/osdep.h b/osdep.h
index 124c33a..d6d8110 100644
--- a/osdep.h
+++ b/osdep.h
@@ -148,14 +148,4 @@ static inline void qemu_timersub(const struct timeval *val1,
 #define ffs __builtin_ffs
 #endif
 
-int qemu_create_pidfile(const char *filename);
-
-#ifdef _WIN32
-int ffs(int i);
-
-int setenv(const char *name, const char *value, int overwrite);
-int asprintf(char **sptr, char *fmt, ...);
-int vasprintf(char **sptr, char *fmt, va_list args);
-#endif /* !_WIN32 */
-
 #endif
diff --git a/oslib-posix.c b/oslib-posix.c
new file mode 100644
index 0000000..ba6e559
--- /dev/null
+++ b/oslib-posix.c
@@ -0,0 +1,159 @@
+/*
+ * os-posix-lib.c
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ * Copyright (c) 2010 Red Hat, Inc.
+ *
+ * QEMU library functions on POSIX which are shared between QEMU and
+ * the QEMU tools.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "config-host.h"
+#include "sysemu.h"
+#include "trace.h"
+#include "qemu_socket.h"
+
+void *qemu_oom_check(void *ptr)
+{
+    if (ptr == NULL) {
+        fprintf(stderr, "Failed to allocate memory: %s\n", strerror(errno));
+        abort();
+    }
+    return ptr;
+}
+
+void *qemu_memalign(size_t alignment, size_t size)
+{
+    void *ptr;
+#if defined(_POSIX_C_SOURCE) && !defined(__sun__)
+    int ret;
+    ret = posix_memalign(&ptr, alignment, size);
+    if (ret != 0) {
+        fprintf(stderr, "Failed to allocate %zu B: %s\n",
+                size, strerror(ret));
+        abort();
+    }
+#elif defined(CONFIG_BSD)
+    ptr = qemu_oom_check(valloc(size));
+#else
+    ptr = qemu_oom_check(memalign(alignment, size));
+#endif
+    //trace_qemu_memalign(alignment, size, ptr);
+    return ptr;
+}
+
+/* alloc shared memory pages */
+void *qemu_vmalloc(size_t size)
+{
+    return qemu_memalign(getpagesize(), size);
+}
+
+void qemu_vfree(void *ptr)
+{
+    //trace_qemu_vfree(ptr);
+    free(ptr);
+}
+
+#if 0 /* in sockets.c */
+void socket_set_nonblock(int fd)
+{
+    int f;
+    f = fcntl(fd, F_GETFL);
+    fcntl(fd, F_SETFL, f | O_NONBLOCK);
+}
+#endif
+
+void qemu_set_cloexec(int fd)
+{
+    int f;
+    f = fcntl(fd, F_GETFD);
+    fcntl(fd, F_SETFD, f | FD_CLOEXEC);
+}
+
+/*
+ * Creates a pipe with FD_CLOEXEC set on both file descriptors
+ */
+int qemu_pipe(int pipefd[2])
+{
+    int ret;
+
+#ifdef CONFIG_PIPE2
+    ret = pipe2(pipefd, O_CLOEXEC);
+    if (ret != -1 || errno != ENOSYS) {
+        return ret;
+    }
+#endif
+    ret = pipe(pipefd);
+    if (ret == 0) {
+        qemu_set_cloexec(pipefd[0]);
+        qemu_set_cloexec(pipefd[1]);
+    }
+
+    return ret;
+}
+
+int qemu_utimensat(int dirfd, const char *path, const struct timespec *times,
+                   int flags)
+{
+    struct timeval tv[2], tv_now;
+    struct stat st;
+    int i;
+#ifdef CONFIG_UTIMENSAT
+    int ret;
+
+    ret = utimensat(dirfd, path, times, flags);
+    if (ret != -1 || errno != ENOSYS) {
+        return ret;
+    }
+#endif
+    /* Fallback: use utimes() instead of utimensat() */
+
+    /* happy if special cases */
+    if (times[0].tv_nsec == UTIME_OMIT && times[1].tv_nsec == UTIME_OMIT) {
+        return 0;
+    }
+    if (times[0].tv_nsec == UTIME_NOW && times[1].tv_nsec == UTIME_NOW) {
+        return utimes(path, NULL);
+    }
+
+    /* prepare for hard cases */
+    if (times[0].tv_nsec == UTIME_NOW || times[1].tv_nsec == UTIME_NOW) {
+        gettimeofday(&tv_now, NULL);
+    }
+    if (times[0].tv_nsec == UTIME_OMIT || times[1].tv_nsec == UTIME_OMIT) {
+        stat(path, &st);
+    }
+
+    for (i = 0; i < 2; i++) {
+        if (times[i].tv_nsec == UTIME_NOW) {
+            tv[i].tv_sec = tv_now.tv_sec;
+            tv[i].tv_usec = tv_now.tv_usec;
+        } else if (times[i].tv_nsec == UTIME_OMIT) {
+            tv[i].tv_sec = (i == 0) ? st.st_atime : st.st_mtime;
+            tv[i].tv_usec = 0;
+        } else {
+            tv[i].tv_sec = times[i].tv_sec;
+            tv[i].tv_usec = times[i].tv_nsec / 1000;
+        }
+    }
+
+    return utimes(path, &tv[0]);
+}
diff --git a/oslib-win32.c b/oslib-win32.c
new file mode 100644
index 0000000..9d82abd
--- /dev/null
+++ b/oslib-win32.c
@@ -0,0 +1,116 @@
+/*
+ * os-win32.c
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ * Copyright (c) 2010 Red Hat, Inc.
+ *
+ * QEMU library functions for win32 which are shared between QEMU and
+ * the QEMU tools.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+#include <windows.h>
+#include "config-host.h"
+#include "sysemu.h"
+#include "trace.h"
+#include "qemu_socket.h"
+
+void *qemu_oom_check(void *ptr)
+{
+    if (ptr == NULL) {
+        fprintf(stderr, "Failed to allocate memory: %lu\n", GetLastError());
+        abort();
+    }
+    return ptr;
+}
+
+void *qemu_memalign(size_t alignment, size_t size)
+{
+    void *ptr;
+
+    if (!size) {
+        abort();
+    }
+    ptr = qemu_oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
+    //trace_qemu_memalign(alignment, size, ptr);
+    return ptr;
+}
+
+void *qemu_vmalloc(size_t size)
+{
+    void *ptr;
+
+    /* FIXME: this is not exactly optimal solution since VirtualAlloc
+       has 64Kb granularity, but at least it guarantees us that the
+       memory is page aligned. */
+    if (!size) {
+        abort();
+    }
+    ptr = qemu_oom_check(VirtualAlloc(NULL, size, MEM_COMMIT, PAGE_READWRITE));
+    //trace_qemu_vmalloc(size, ptr);
+    return ptr;
+}
+
+void qemu_vfree(void *ptr)
+{
+    //trace_qemu_vfree(ptr);
+    VirtualFree(ptr, 0, MEM_RELEASE);
+}
+
+#if 0 /* in sockets.c */
+void socket_set_nonblock(int fd)
+{
+    unsigned long opt = 1;
+    ioctlsocket(fd, FIONBIO, &opt);
+}
+#endif
+
+int inet_aton(const char *cp, struct in_addr *ia)
+{
+    uint32_t addr = inet_addr(cp);
+    if (addr == 0xffffffff) {
+	return 0;
+    }
+    ia->s_addr = addr;
+    return 1;
+}
+
+void qemu_set_cloexec(int fd)
+{
+}
+
+/* Offset between 1/1/1601 and 1/1/1970 in 100 nanosec units */
+#define _W32_FT_OFFSET (116444736000000000ULL)
+
+int qemu_gettimeofday(qemu_timeval *tp)
+{
+  union {
+    unsigned long long ns100; /*time since 1 Jan 1601 in 100ns units */
+    FILETIME ft;
+  }  _now;
+
+  if(tp) {
+      GetSystemTimeAsFileTime (&_now.ft);
+      tp->tv_usec=(long)((_now.ns100 / 10ULL) % 1000000ULL );
+      tp->tv_sec= (long)((_now.ns100 - _W32_FT_OFFSET) / 10000000ULL);
+  }
+  /* Always return 0 as per Open Group Base Specifications Issue 6.
+     Do not set errno on error.  */
+  return 0;
+}
diff --git a/path.c b/path.c
index 4fbc210..f0d703f 100644
--- a/path.c
+++ b/path.c
@@ -41,7 +41,8 @@ static int strneq(const char *s1, unsigned int n, const char *s2)
     return s2[i] == 0;
 }
 
-static struct pathelem *add_entry(struct pathelem *root, const char *name);
+static struct pathelem *add_entry(struct pathelem *root, const char *name,
+                                  unsigned char type);
 
 static struct pathelem *new_entry(const char *root,
                                   struct pathelem *parent,
@@ -59,6 +60,15 @@ static struct pathelem *new_entry(const char *root,
 
 #define streq(a,b) (strcmp((a), (b)) == 0)
 
+/* Not all systems provide this feature */
+#if defined(DT_DIR) && defined(DT_UNKNOWN)
+# define dirent_type(dirent) ((dirent)->d_type)
+# define is_dir_maybe(type)  ((type) == DT_DIR || (type) == DT_UNKNOWN)
+#else
+# define dirent_type(dirent) (1)
+# define is_dir_maybe(type)  (type)
+#endif
+
 static struct pathelem *add_dir_maybe(struct pathelem *path)
 {
     DIR *dir;
@@ -68,7 +78,7 @@ static struct pathelem *add_dir_maybe(struct pathelem *path)
 
         while ((dirent = readdir(dir)) != NULL) {
             if (!streq(dirent->d_name,".") && !streq(dirent->d_name,"..")){
-                path = add_entry(path, dirent->d_name);
+                path = add_entry(path, dirent->d_name, dirent_type(dirent));
             }
         }
         closedir(dir);
@@ -76,16 +86,22 @@ static struct pathelem *add_dir_maybe(struct pathelem *path)
     return path;
 }
 
-static struct pathelem *add_entry(struct pathelem *root, const char *name)
+static struct pathelem *add_entry(struct pathelem *root, const char *name,
+                                  unsigned char type)
 {
+    struct pathelem **e;
+
     root->num_entries++;
 
     root = realloc(root, sizeof(*root)
                    + sizeof(root->entries[0])*root->num_entries);
+    e = &root->entries[root->num_entries-1];
+
+    *e = new_entry(root->pathname, root, name);
+    if (is_dir_maybe(type)) {
+        *e = add_dir_maybe(*e);
+    }
 
-    root->entries[root->num_entries-1] = new_entry(root->pathname, root, name);
-    root->entries[root->num_entries-1]
-        = add_dir_maybe(root->entries[root->num_entries-1]);
     return root;
 }
 
diff --git a/poison.h b/poison.h
index d7db7f4..8fa3ee6 100644
--- a/poison.h
+++ b/poison.h
@@ -10,6 +10,7 @@
 #pragma GCC poison TARGET_ALPHA
 #pragma GCC poison TARGET_ARM
 #pragma GCC poison TARGET_CRIS
+#pragma GCC poison TARGET_LM32
 #pragma GCC poison TARGET_M68K
 #pragma GCC poison TARGET_MIPS
 #pragma GCC poison TARGET_MIPS64
@@ -45,6 +46,14 @@
 #pragma GCC poison CPU_INTERRUPT_DEBUG
 #pragma GCC poison CPU_INTERRUPT_VIRQ
 #pragma GCC poison CPU_INTERRUPT_NMI
+#pragma GCC poison CPU_INTERRUPT_TGT_EXT_0
+#pragma GCC poison CPU_INTERRUPT_TGT_EXT_1
+#pragma GCC poison CPU_INTERRUPT_TGT_EXT_2
+#pragma GCC poison CPU_INTERRUPT_TGT_EXT_3
+#pragma GCC poison CPU_INTERRUPT_TGT_EXT_4
+#pragma GCC poison CPU_INTERRUPT_TGT_INT_0
+#pragma GCC poison CPU_INTERRUPT_TGT_INT_1
+#pragma GCC poison CPU_INTERRUPT_TGT_INT_2
 
 #endif
 #endif
diff --git a/qemu-options.h b/qemu-options.h
new file mode 100644
index 0000000..d538f91
--- /dev/null
+++ b/qemu-options.h
@@ -0,0 +1,41 @@
+/*
+ * qemu-options.h
+ *
+ * Defines needed for command line argument processing.
+ *
+ * Copyright (c) 2003-2008 Fabrice Bellard
+ * Copyright (c) 2010 Jes Sorensen <Jes.Sorensen@redhat.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#ifndef _QEMU_OPTIONS_H_
+#define _QEMU_OPTIONS_H_
+
+enum {
+#define DEF(option, opt_arg, opt_enum, opt_help)     \
+    opt_enum,
+#define DEFHEADING(text)
+#include "qemu-options.def"
+#undef DEF
+#undef DEFHEADING
+#undef GEN_DOCS
+};
+
+#endif
diff --git a/sysemu.h b/sysemu.h
index 649bd75..1b23b04 100644
--- a/sysemu.h
+++ b/sysemu.h
@@ -51,6 +51,7 @@ void qemu_system_powerdown_request(void);
 int qemu_shutdown_requested(void);
 int qemu_reset_requested(void);
 int qemu_powerdown_requested(void);
+void qemu_system_killed(int signal, pid_t pid);
 #ifdef NEED_CPU_H
 #if !defined(TARGET_SPARC)
 // Please implement a power failure function to signal the OS
diff --git a/vl-android.c b/vl-android.c
index c446e21..b21600d 100644
--- a/vl-android.c
+++ b/vl-android.c
@@ -2312,7 +2312,8 @@ typedef struct QEMUResetEntry {
 
 static QEMUResetEntry *first_reset_entry;
 static int reset_requested;
-static int shutdown_requested;
+static int shutdown_requested, shutdown_signal = -1;
+static pid_t shutdown_pid;
 static int powerdown_requested;
 static int debug_requested;
 static int vmstop_requested;
@@ -2398,6 +2399,13 @@ void qemu_system_reset_request(void)
     qemu_notify_event();
 }
 
+void qemu_system_killed(int signal, pid_t pid)
+{
+    shutdown_signal = signal;
+    shutdown_pid = pid;
+    qemu_system_shutdown_request();
+}
+
 void qemu_system_shutdown_request(void)
 {
     shutdown_requested = 1;
@@ -3204,7 +3212,7 @@ void qemu_help(int exitcode)
 #define DEF(option, opt_arg, opt_enum, opt_help)        \
            opt_help
 #define DEFHEADING(text) stringify(text) "\n"
-#include "qemu-options.h"
+#include "qemu-options.def"
 #undef DEF
 #undef DEFHEADING
 #undef GEN_DOCS
@@ -3233,7 +3241,7 @@ enum {
 #define DEF(option, opt_arg, opt_enum, opt_help)        \
     opt_enum,
 #define DEFHEADING(text)
-#include "qemu-options.h"
+#include "qemu-options.def"
 #undef DEF
 #undef DEFHEADING
 #undef GEN_DOCS
@@ -3250,7 +3258,7 @@ static const QEMUOption qemu_options[] = {
 #define DEF(option, opt_arg, opt_enum, opt_help)        \
     { option, opt_arg, opt_enum },
 #define DEFHEADING(text)
-#include "qemu-options.h"
+#include "qemu-options.def"
 #undef DEF
 #undef DEFHEADING
 #undef GEN_DOCS
diff --git a/vl.c b/vl.c
index b1bf3a2..b2c0fbd 100644
--- a/vl.c
+++ b/vl.c
@@ -2151,7 +2151,8 @@ typedef struct QEMUResetEntry {
 static QTAILQ_HEAD(reset_handlers, QEMUResetEntry) reset_handlers =
     QTAILQ_HEAD_INITIALIZER(reset_handlers);
 static int reset_requested;
-static int shutdown_requested;
+static int shutdown_requested, shutdown_signal = -1;
+static pid_t shutdown_pid;
 static int powerdown_requested;
 static int debug_requested;
 static int vmstop_requested;
@@ -2259,6 +2260,13 @@ void qemu_system_reset_request(void)
     qemu_notify_event();
 }
 
+void qemu_system_killed(int signal, pid_t pid)
+{
+    shutdown_signal = signal;
+    shutdown_pid = pid;
+    qemu_system_shutdown_request();
+}
+
 void qemu_system_shutdown_request(void)
 {
     shutdown_requested = 1;