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authorRiku Voipio <riku.voipio@linaro.org>2014-02-19 15:35:35 +0200
committerRiku Voipio <riku.voipio@linaro.org>2014-05-02 21:59:36 +0300
commit6d30db19caab3cc71a9353cab772b258f0545503 (patch)
treeaf4c1420f4d3aedac40ee2dfcf37da4c1108b023 /linux-user
parent18cb008865d078c30f8efcd28c774788ae13d6a3 (diff)
downloadqemu-arm-6d30db19caab3cc71a9353cab772b258f0545503.tar.gz
linux-user: move uname functions to uname.c
Make syscall.c slightly smaller by moving uname-related functions to uname.c. Signed-off-by: Riku Voipio <riku.voipio@linaro.org>
Diffstat (limited to 'linux-user')
-rw-r--r--linux-user/syscall.c102
-rw-r--r--linux-user/uname.c101
-rw-r--r--linux-user/uname.h9
3 files changed, 110 insertions, 102 deletions
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index 0f4a092a70..9fc28bd1ba 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -60,7 +60,6 @@ int __clone2(int (*fn)(void *), void *child_stack_base,
#include <sys/statfs.h>
#include <utime.h>
#include <sys/sysinfo.h>
-#include <sys/utsname.h>
//#include <sys/user.h>
#include <netinet/ip.h>
#include <netinet/tcp.h>
@@ -92,7 +91,6 @@ int __clone2(int (*fn)(void *), void *child_stack_base,
#include <linux/termios.h>
#include <linux/unistd.h>
-#include <linux/utsname.h>
#include <linux/cdrom.h>
#include <linux/hdreg.h>
#include <linux/soundcard.h>
@@ -287,40 +285,6 @@ static bitmask_transtbl fcntl_flags_tbl[] = {
{ 0, 0, 0, 0 }
};
-#define COPY_UTSNAME_FIELD(dest, src) \
- do { \
- /* __NEW_UTS_LEN doesn't include terminating null */ \
- (void) strncpy((dest), (src), __NEW_UTS_LEN); \
- (dest)[__NEW_UTS_LEN] = '\0'; \
- } while (0)
-
-static int sys_uname(struct new_utsname *buf)
-{
- struct utsname uts_buf;
-
- if (uname(&uts_buf) < 0)
- return (-1);
-
- /*
- * Just in case these have some differences, we
- * translate utsname to new_utsname (which is the
- * struct linux kernel uses).
- */
-
- memset(buf, 0, sizeof(*buf));
- COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
- COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
- COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
- COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
- COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
-#ifdef _GNU_SOURCE
- COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
-#endif
- return (0);
-
-#undef COPY_UTSNAME_FIELD
-}
-
static int sys_getcwd1(char *buf, size_t size)
{
if (getcwd(buf, size) == NULL) {
@@ -4983,72 +4947,6 @@ int host_to_target_waitstatus(int status)
return status;
}
-static int relstr_to_int(const char *s)
-{
- /* Convert a uname release string like "2.6.18" to an integer
- * of the form 0x020612. (Beware that 0x020612 is *not* 2.6.12.)
- */
- int i, n, tmp;
-
- tmp = 0;
- for (i = 0; i < 3; i++) {
- n = 0;
- while (*s >= '0' && *s <= '9') {
- n *= 10;
- n += *s - '0';
- s++;
- }
- tmp = (tmp << 8) + n;
- if (*s == '.') {
- s++;
- }
- }
- return tmp;
-}
-
-int get_osversion(void)
-{
- static int osversion;
- struct new_utsname buf;
- const char *s;
-
- if (osversion)
- return osversion;
- if (qemu_uname_release && *qemu_uname_release) {
- s = qemu_uname_release;
- } else {
- if (sys_uname(&buf))
- return 0;
- s = buf.release;
- }
- osversion = relstr_to_int(s);
- return osversion;
-}
-
-void init_qemu_uname_release(void)
-{
- /* Initialize qemu_uname_release for later use.
- * If the host kernel is too old and the user hasn't asked for
- * a specific fake version number, we might want to fake a minimum
- * target kernel version.
- */
-#ifdef UNAME_MINIMUM_RELEASE
- struct new_utsname buf;
-
- if (qemu_uname_release && *qemu_uname_release) {
- return;
- }
-
- if (sys_uname(&buf)) {
- return;
- }
-
- if (relstr_to_int(buf.release) < relstr_to_int(UNAME_MINIMUM_RELEASE)) {
- qemu_uname_release = UNAME_MINIMUM_RELEASE;
- }
-#endif
-}
-
static int open_self_maps(void *cpu_env, int fd)
{
#if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
diff --git a/linux-user/uname.c b/linux-user/uname.c
index 26e90e5792..fa5013e76c 100644
--- a/linux-user/uname.c
+++ b/linux-user/uname.c
@@ -70,3 +70,104 @@ const char *cpu_to_uname_machine(void *cpu_env)
return UNAME_MACHINE;
#endif
}
+
+
+#define COPY_UTSNAME_FIELD(dest, src) \
+ do { \
+ /* __NEW_UTS_LEN doesn't include terminating null */ \
+ (void) strncpy((dest), (src), __NEW_UTS_LEN); \
+ (dest)[__NEW_UTS_LEN] = '\0'; \
+ } while (0)
+
+int sys_uname(struct new_utsname *buf)
+{
+ struct utsname uts_buf;
+
+ if (uname(&uts_buf) < 0)
+ return (-1);
+
+ /*
+ * Just in case these have some differences, we
+ * translate utsname to new_utsname (which is the
+ * struct linux kernel uses).
+ */
+
+ memset(buf, 0, sizeof(*buf));
+ COPY_UTSNAME_FIELD(buf->sysname, uts_buf.sysname);
+ COPY_UTSNAME_FIELD(buf->nodename, uts_buf.nodename);
+ COPY_UTSNAME_FIELD(buf->release, uts_buf.release);
+ COPY_UTSNAME_FIELD(buf->version, uts_buf.version);
+ COPY_UTSNAME_FIELD(buf->machine, uts_buf.machine);
+#ifdef _GNU_SOURCE
+ COPY_UTSNAME_FIELD(buf->domainname, uts_buf.domainname);
+#endif
+ return (0);
+
+#undef COPY_UTSNAME_FIELD
+}
+
+static int relstr_to_int(const char *s)
+{
+ /* Convert a uname release string like "2.6.18" to an integer
+ * of the form 0x020612. (Beware that 0x020612 is *not* 2.6.12.)
+ */
+ int i, n, tmp;
+
+ tmp = 0;
+ for (i = 0; i < 3; i++) {
+ n = 0;
+ while (*s >= '0' && *s <= '9') {
+ n *= 10;
+ n += *s - '0';
+ s++;
+ }
+ tmp = (tmp << 8) + n;
+ if (*s == '.') {
+ s++;
+ }
+ }
+ return tmp;
+}
+
+int get_osversion(void)
+{
+ static int osversion;
+ struct new_utsname buf;
+ const char *s;
+
+ if (osversion)
+ return osversion;
+ if (qemu_uname_release && *qemu_uname_release) {
+ s = qemu_uname_release;
+ } else {
+ if (sys_uname(&buf))
+ return 0;
+ s = buf.release;
+ }
+ osversion = relstr_to_int(s);
+ return osversion;
+}
+
+void init_qemu_uname_release(void)
+{
+ /* Initialize qemu_uname_release for later use.
+ * If the host kernel is too old and the user hasn't asked for
+ * a specific fake version number, we might want to fake a minimum
+ * target kernel version.
+ */
+#ifdef UNAME_MINIMUM_RELEASE
+ struct new_utsname buf;
+
+ if (qemu_uname_release && *qemu_uname_release) {
+ return;
+ }
+
+ if (sys_uname(&buf)) {
+ return;
+ }
+
+ if (relstr_to_int(buf.release) < relstr_to_int(UNAME_MINIMUM_RELEASE)) {
+ qemu_uname_release = UNAME_MINIMUM_RELEASE;
+ }
+#endif
+}
diff --git a/linux-user/uname.h b/linux-user/uname.h
index 32492de71a..cc62e76cc1 100644
--- a/linux-user/uname.h
+++ b/linux-user/uname.h
@@ -1 +1,10 @@
+#ifndef UNAME_H
+#define UNAME_H 1
+
+#include <sys/utsname.h>
+#include <linux/utsname.h>
+
const char *cpu_to_uname_machine(void *cpu_env);
+int sys_uname(struct new_utsname *buf);
+
+#endif /* UNAME _H */