diff --git a/audio/alsaaudio.c b/audio/alsaaudio.c
index b04716a..4a61378 100644
--- a/audio/alsaaudio.c
+++ b/audio/alsaaudio.c
@@ -72,7 +72,7 @@
     snd_pcm_uframes_t samples;
 };
 
-static void GCC_FMT_ATTR (2, 3) alsa_logerr (int err, const char *fmt, ...)
+static void G_GNUC_PRINTF (2, 3) alsa_logerr (int err, const char *fmt, ...)
 {
     va_list ap;
 
@@ -83,7 +83,7 @@
     AUD_log (AUDIO_CAP, "Reason: %s\n", snd_strerror (err));
 }
 
-static void GCC_FMT_ATTR (3, 4) alsa_logerr2 (
+static void G_GNUC_PRINTF (3, 4) alsa_logerr2 (
     int err,
     const char *typ,
     const char *fmt,
diff --git a/audio/audio.h b/audio/audio.h
index c8bde53..cbb10f4 100644
--- a/audio/audio.h
+++ b/audio/audio.h
@@ -91,8 +91,8 @@
     uint64_t old_ts;
 } QEMUAudioTimeStamp;
 
-void AUD_vlog (const char *cap, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
-void AUD_log (const char *cap, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
+void AUD_vlog (const char *cap, const char *fmt, va_list ap) G_GNUC_PRINTF(2, 0);
+void AUD_log (const char *cap, const char *fmt, ...) G_GNUC_PRINTF(2, 3);
 
 void AUD_register_card (const char *name, QEMUSoundCard *card);
 void AUD_remove_card (QEMUSoundCard *card);
diff --git a/audio/coreaudio.m b/audio/coreaudio.m
index 3186b68..4695291 100644
--- a/audio/coreaudio.m
+++ b/audio/coreaudio.m
@@ -211,7 +211,7 @@
     AUD_log (AUDIO_CAP, "Reason: %s\n", str);
 }
 
-static void GCC_FMT_ATTR (2, 3) coreaudio_logerr (
+static void G_GNUC_PRINTF (2, 3) coreaudio_logerr (
     OSStatus status,
     const char *fmt,
     ...
@@ -226,7 +226,7 @@
     coreaudio_logstatus (status);
 }
 
-static void GCC_FMT_ATTR (3, 4) coreaudio_logerr2 (
+static void G_GNUC_PRINTF (3, 4) coreaudio_logerr2 (
     OSStatus status,
     const char *typ,
     const char *fmt,
diff --git a/audio/dsoundaudio.c b/audio/dsoundaudio.c
index 2b41db2..3fb67ec 100644
--- a/audio/dsoundaudio.c
+++ b/audio/dsoundaudio.c
@@ -222,7 +222,7 @@
     AUD_log (AUDIO_CAP, "Reason: %s\n", str);
 }
 
-static void GCC_FMT_ATTR (2, 3) dsound_logerr (
+static void G_GNUC_PRINTF (2, 3) dsound_logerr (
     HRESULT hr,
     const char *fmt,
     ...
@@ -237,7 +237,7 @@
     dsound_log_hresult (hr);
 }
 
-static void GCC_FMT_ATTR (3, 4) dsound_logerr2 (
+static void G_GNUC_PRINTF (3, 4) dsound_logerr2 (
     HRESULT hr,
     const char *typ,
     const char *fmt,
diff --git a/audio/ossaudio.c b/audio/ossaudio.c
index da9c232..8e075ed 100644
--- a/audio/ossaudio.c
+++ b/audio/ossaudio.c
@@ -63,7 +63,7 @@
     int fragsize;
 };
 
-static void GCC_FMT_ATTR (2, 3) oss_logerr (int err, const char *fmt, ...)
+static void G_GNUC_PRINTF (2, 3) oss_logerr (int err, const char *fmt, ...)
 {
     va_list ap;
 
@@ -74,7 +74,7 @@
     AUD_log (AUDIO_CAP, "Reason: %s\n", strerror (err));
 }
 
-static void GCC_FMT_ATTR (3, 4) oss_logerr2 (
+static void G_GNUC_PRINTF (3, 4) oss_logerr2 (
     int err,
     const char *typ,
     const char *fmt,
diff --git a/audio/paaudio.c b/audio/paaudio.c
index ed4f437..e91116f 100644
--- a/audio/paaudio.c
+++ b/audio/paaudio.c
@@ -43,7 +43,7 @@
 
 static void qpa_conn_fini(PAConnection *c);
 
-static void GCC_FMT_ATTR (2, 3) qpa_logerr (int err, const char *fmt, ...)
+static void G_GNUC_PRINTF (2, 3) qpa_logerr (int err, const char *fmt, ...)
 {
     va_list ap;
 
diff --git a/audio/sdlaudio.c b/audio/sdlaudio.c
index 797b47b..68a237b 100644
--- a/audio/sdlaudio.c
+++ b/audio/sdlaudio.c
@@ -55,7 +55,7 @@
     SDL_AudioDeviceID devid;
 } SDLVoiceIn;
 
-static void GCC_FMT_ATTR (1, 2) sdl_logerr (const char *fmt, ...)
+static void G_GNUC_PRINTF (1, 2) sdl_logerr (const char *fmt, ...)
 {
     va_list ap;
 
diff --git a/block/blkverify.c b/block/blkverify.c
index 53ba1c9..e4a37af 100644
--- a/block/blkverify.c
+++ b/block/blkverify.c
@@ -44,7 +44,7 @@
     QEMUIOVector *raw_qiov;     /* cloned I/O vector for raw file */
 } BlkverifyRequest;
 
-static void GCC_FMT_ATTR(2, 3) blkverify_err(BlkverifyRequest *r,
+static void G_GNUC_PRINTF(2, 3) blkverify_err(BlkverifyRequest *r,
                                              const char *fmt, ...)
 {
     va_list ap;
diff --git a/block/qcow2-refcount.c b/block/qcow2-refcount.c
index 9403397..b914994 100644
--- a/block/qcow2-refcount.c
+++ b/block/qcow2-refcount.c
@@ -33,9 +33,11 @@
 
 static int64_t alloc_clusters_noref(BlockDriverState *bs, uint64_t size,
                                     uint64_t max);
-static int QEMU_WARN_UNUSED_RESULT update_refcount(BlockDriverState *bs,
-                            int64_t offset, int64_t length, uint64_t addend,
-                            bool decrease, enum qcow2_discard_type type);
+
+G_GNUC_WARN_UNUSED_RESULT
+static int update_refcount(BlockDriverState *bs,
+                           int64_t offset, int64_t length, uint64_t addend,
+                           bool decrease, enum qcow2_discard_type type);
 
 static uint64_t get_refcount_ro0(const void *refcount_array, uint64_t index);
 static uint64_t get_refcount_ro1(const void *refcount_array, uint64_t index);
@@ -803,12 +805,12 @@
 /* XXX: cache several refcount block clusters ? */
 /* @addend is the absolute value of the addend; if @decrease is set, @addend
  * will be subtracted from the current refcount, otherwise it will be added */
-static int QEMU_WARN_UNUSED_RESULT update_refcount(BlockDriverState *bs,
-                                                   int64_t offset,
-                                                   int64_t length,
-                                                   uint64_t addend,
-                                                   bool decrease,
-                                                   enum qcow2_discard_type type)
+static int update_refcount(BlockDriverState *bs,
+                           int64_t offset,
+                           int64_t length,
+                           uint64_t addend,
+                           bool decrease,
+                           enum qcow2_discard_type type)
 {
     BDRVQcow2State *s = bs->opaque;
     int64_t start, last, cluster_offset;
diff --git a/block/qcow2.h b/block/qcow2.h
index fd48a89..ba436a8 100644
--- a/block/qcow2.h
+++ b/block/qcow2.h
@@ -838,7 +838,7 @@
 
 void qcow2_signal_corruption(BlockDriverState *bs, bool fatal, int64_t offset,
                              int64_t size, const char *message_format, ...)
-                             GCC_FMT_ATTR(5, 6);
+                             G_GNUC_PRINTF(5, 6);
 
 int qcow2_validate_table(BlockDriverState *bs, uint64_t offset,
                          uint64_t entries, size_t entry_len,
diff --git a/block/ssh.c b/block/ssh.c
index a64db14..a2dc646 100644
--- a/block/ssh.c
+++ b/block/ssh.c
@@ -108,7 +108,7 @@
     }
 }
 
-static void GCC_FMT_ATTR(3, 4)
+static void G_GNUC_PRINTF(3, 4)
 session_error_setg(Error **errp, BDRVSSHState *s, const char *fs, ...)
 {
     va_list args;
@@ -133,7 +133,7 @@
     g_free(msg);
 }
 
-static void GCC_FMT_ATTR(3, 4)
+static void G_GNUC_PRINTF(3, 4)
 sftp_error_setg(Error **errp, BDRVSSHState *s, const char *fs, ...)
 {
     va_list args;
diff --git a/bsd-user/qemu.h b/bsd-user/qemu.h
index af272c2..21c06f2 100644
--- a/bsd-user/qemu.h
+++ b/bsd-user/qemu.h
@@ -175,7 +175,7 @@
 abi_long do_openbsd_syscall(void *cpu_env, int num, abi_long arg1,
                             abi_long arg2, abi_long arg3, abi_long arg4,
                             abi_long arg5, abi_long arg6);
-void gemu_log(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
+void gemu_log(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
 extern __thread CPUState *thread_cpu;
 void cpu_loop(CPUArchState *env);
 char *target_strerror(int err);
diff --git a/configure b/configure
index cd4946b..6d9cb23 100755
--- a/configure
+++ b/configure
@@ -2248,7 +2248,7 @@
 {
     g_free(f);
 }
-G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free);
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(Foo, foo_free)
 int main(void) { return 0; }
 EOF
 if ! compile_prog "$glib_cflags -Werror" "$glib_libs" ; then
@@ -2481,41 +2481,6 @@
     int128=yes
 fi
 
-#########################################
-# See if 128-bit atomic operations are supported.
-
-atomic128=no
-if test "$int128" = "yes"; then
-  cat > $TMPC << EOF
-int main(void)
-{
-  unsigned __int128 x = 0, y = 0;
-  y = __atomic_load(&x, 0);
-  __atomic_store(&x, y, 0);
-  __atomic_compare_exchange(&x, &y, x, 0, 0, 0);
-  return 0;
-}
-EOF
-  if compile_prog "" "" ; then
-    atomic128=yes
-  fi
-fi
-
-cmpxchg128=no
-if test "$int128" = yes && test "$atomic128" = no; then
-  cat > $TMPC << EOF
-int main(void)
-{
-  unsigned __int128 x = 0, y = 0;
-  __sync_val_compare_and_swap_16(&x, y, x);
-  return 0;
-}
-EOF
-  if compile_prog "" "" ; then
-    cmpxchg128=yes
-  fi
-fi
-
 ########################################
 # check if ccache is interfering with
 # semantic analysis of macros
@@ -2959,18 +2924,6 @@
     echo "CONFIG_TSAN=y" >> $config_host_mak
 fi
 
-if test "$int128" = "yes" ; then
-  echo "CONFIG_INT128=y" >> $config_host_mak
-fi
-
-if test "$atomic128" = "yes" ; then
-  echo "CONFIG_ATOMIC128=y" >> $config_host_mak
-fi
-
-if test "$cmpxchg128" = "yes" ; then
-  echo "CONFIG_CMPXCHG128=y" >> $config_host_mak
-fi
-
 if test "$rdma" = "yes" ; then
   echo "CONFIG_RDMA=y" >> $config_host_mak
   echo "RDMA_LIBS=$rdma_libs" >> $config_host_mak
diff --git a/crypto/cipher-afalg.c b/crypto/cipher-afalg.c
index 052355a..c55cd28 100644
--- a/crypto/cipher-afalg.c
+++ b/crypto/cipher-afalg.c
@@ -84,8 +84,8 @@
     g_free(name);
 
     /* setkey */
-    if (qemu_setsockopt(afalg->tfmfd, SOL_ALG, ALG_SET_KEY, key,
-                        nkey) != 0) {
+    if (setsockopt(afalg->tfmfd, SOL_ALG, ALG_SET_KEY, key,
+                   nkey) != 0) {
         error_setg_errno(errp, errno, "Set key failed");
         qcrypto_afalg_comm_free(afalg);
         return NULL;
diff --git a/crypto/hash-afalg.c b/crypto/hash-afalg.c
index cf34c69..4ac18c7 100644
--- a/crypto/hash-afalg.c
+++ b/crypto/hash-afalg.c
@@ -88,8 +88,8 @@
 
     /* HMAC needs setkey */
     if (is_hmac) {
-        if (qemu_setsockopt(afalg->tfmfd, SOL_ALG, ALG_SET_KEY,
-                            key, nkey) != 0) {
+        if (setsockopt(afalg->tfmfd, SOL_ALG, ALG_SET_KEY,
+                       key, nkey) != 0) {
             error_setg_errno(errp, errno, "Set hmac key failed");
             qcrypto_afalg_comm_free(afalg);
             return NULL;
diff --git a/fsdev/9p-marshal.c b/fsdev/9p-marshal.c
index 51881fe..f9b0336 100644
--- a/fsdev/9p-marshal.c
+++ b/fsdev/9p-marshal.c
@@ -27,7 +27,7 @@
     str->size = 0;
 }
 
-void GCC_FMT_ATTR(2, 3)
+void G_GNUC_PRINTF(2, 3)
 v9fs_string_sprintf(V9fsString *str, const char *fmt, ...)
 {
     va_list ap;
diff --git a/fsdev/virtfs-proxy-helper.c b/fsdev/virtfs-proxy-helper.c
index 15c0e79..d06a0f7 100644
--- a/fsdev/virtfs-proxy-helper.c
+++ b/fsdev/virtfs-proxy-helper.c
@@ -57,7 +57,7 @@
 static bool get_version; /* IOC getversion IOCTL supported */
 static char *prog_name;
 
-static void GCC_FMT_ATTR(2, 3) do_log(int loglevel, const char *format, ...)
+static void G_GNUC_PRINTF(2, 3) do_log(int loglevel, const char *format, ...)
 {
     va_list ap;
 
diff --git a/gdbstub.c b/gdbstub.c
index 3c14c6a..c8375e3 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -426,7 +426,7 @@
     int ret;
 
     for(;;) {
-        ret = qemu_recv(gdbserver_state.fd, &ch, 1, 0);
+        ret = recv(gdbserver_state.fd, &ch, 1, 0);
         if (ret < 0) {
             if (errno == ECONNRESET)
                 gdbserver_state.fd = -1;
diff --git a/hw/9pfs/9p.c b/hw/9pfs/9p.c
index 8e9d4ae..dcaa602 100644
--- a/hw/9pfs/9p.c
+++ b/hw/9pfs/9p.c
@@ -203,7 +203,7 @@
 }
 
 
-void GCC_FMT_ATTR(2, 3)
+void G_GNUC_PRINTF(2, 3)
 v9fs_path_sprintf(V9fsPath *path, const char *fmt, ...)
 {
     va_list ap;
diff --git a/hw/acpi/aml-build.c b/hw/acpi/aml-build.c
index 1773cf5..4086879 100644
--- a/hw/acpi/aml-build.c
+++ b/hw/acpi/aml-build.c
@@ -207,7 +207,7 @@
     g_array_append_vals(array, "____", ACPI_NAMESEG_LEN - len);
 }
 
-static void GCC_FMT_ATTR(2, 0)
+static void G_GNUC_PRINTF(2, 0)
 build_append_namestringv(GArray *array, const char *format, va_list ap)
 {
     char *s;
@@ -270,7 +270,7 @@
     g_strfreev(segs);
 }
 
-GCC_FMT_ATTR(2, 3)
+G_GNUC_PRINTF(2, 3)
 static void build_append_namestring(GArray *array, const char *format, ...)
 {
     va_list ap;
diff --git a/hw/display/qxl.h b/hw/display/qxl.h
index 30d21f4..e74de95 100644
--- a/hw/display/qxl.h
+++ b/hw/display/qxl.h
@@ -149,7 +149,7 @@
 /* qxl.c */
 void *qxl_phys2virt(PCIQXLDevice *qxl, QXLPHYSICAL phys, int group_id);
 void qxl_set_guest_bug(PCIQXLDevice *qxl, const char *msg, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 void qxl_spice_update_area(PCIQXLDevice *qxl, uint32_t surface_id,
                            struct QXLRect *area, struct QXLRect *dirty_rects,
diff --git a/hw/mips/fuloong2e.c b/hw/mips/fuloong2e.c
index c1b8066..c9f14e7 100644
--- a/hw/mips/fuloong2e.c
+++ b/hw/mips/fuloong2e.c
@@ -72,7 +72,7 @@
     const char *initrd_filename;
 } loaderparams;
 
-static void GCC_FMT_ATTR(3, 4) prom_set(uint32_t *prom_buf, int index,
+static void G_GNUC_PRINTF(3, 4) prom_set(uint32_t *prom_buf, int index,
                                         const char *string, ...)
 {
     va_list ap;
diff --git a/hw/mips/malta.c b/hw/mips/malta.c
index 55037eb..6288511 100644
--- a/hw/mips/malta.c
+++ b/hw/mips/malta.c
@@ -995,7 +995,7 @@
 
 }
 
-static void GCC_FMT_ATTR(3, 4) prom_set(uint32_t *prom_buf, int index,
+static void G_GNUC_PRINTF(3, 4) prom_set(uint32_t *prom_buf, int index,
                                         const char *string, ...)
 {
     va_list ap;
diff --git a/hw/net/rocker/rocker.h b/hw/net/rocker/rocker.h
index 412fa44..f85354d 100644
--- a/hw/net/rocker/rocker.h
+++ b/hw/net/rocker/rocker.h
@@ -30,7 +30,7 @@
         fprintf(stderr, "%s ROCKER: " fmt, nowstr, ## __VA_ARGS__);\
     } while (0)
 #else
-static inline GCC_FMT_ATTR(1, 2) int DPRINTF(const char *fmt, ...)
+static inline G_GNUC_PRINTF(1, 2) int DPRINTF(const char *fmt, ...)
 {
     return 0;
 }
diff --git a/hw/net/rtl8139.c b/hw/net/rtl8139.c
index 90b4fc6..6b65823 100644
--- a/hw/net/rtl8139.c
+++ b/hw/net/rtl8139.c
@@ -86,7 +86,7 @@
 #  define DPRINTF(fmt, ...) \
     do { fprintf(stderr, "RTL8139: " fmt, ## __VA_ARGS__); } while (0)
 #else
-static inline GCC_FMT_ATTR(1, 2) int DPRINTF(const char *fmt, ...)
+static inline G_GNUC_PRINTF(1, 2) int DPRINTF(const char *fmt, ...)
 {
     return 0;
 }
diff --git a/hw/virtio/virtio.c b/hw/virtio/virtio.c
index 32b1859..9d637e0 100644
--- a/hw/virtio/virtio.c
+++ b/hw/virtio/virtio.c
@@ -3579,7 +3579,7 @@
     vdev->bus_name = g_strdup(bus_name);
 }
 
-void GCC_FMT_ATTR(2, 3) virtio_error(VirtIODevice *vdev, const char *fmt, ...)
+void G_GNUC_PRINTF(2, 3) virtio_error(VirtIODevice *vdev, const char *fmt, ...)
 {
     va_list ap;
 
diff --git a/hw/xen/xen_pt.h b/hw/xen/xen_pt.h
index c74c467..6b8e13c 100644
--- a/hw/xen/xen_pt.h
+++ b/hw/xen/xen_pt.h
@@ -9,7 +9,7 @@
 bool xen_igd_gfx_pt_enabled(void);
 void xen_igd_gfx_pt_set(bool value, Error **errp);
 
-void xen_pt_log(const PCIDevice *d, const char *f, ...) GCC_FMT_ATTR(2, 3);
+void xen_pt_log(const PCIDevice *d, const char *f, ...) G_GNUC_PRINTF(2, 3);
 
 #define XEN_PT_ERR(d, _f, _a...) xen_pt_log(d, "%s: Error: "_f, __func__, ##_a)
 
diff --git a/include/chardev/char-fe.h b/include/chardev/char-fe.h
index 867ef1b..8c420fa 100644
--- a/include/chardev/char-fe.h
+++ b/include/chardev/char-fe.h
@@ -172,7 +172,7 @@
  * Chardev.
  */
 void qemu_chr_fe_printf(CharBackend *be, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 
 typedef gboolean (*FEWatchFunc)(void *do_not_use, GIOCondition condition, void *data);
diff --git a/include/disas/dis-asm.h b/include/disas/dis-asm.h
index 102a1e7..fadf6a6 100644
--- a/include/disas/dis-asm.h
+++ b/include/disas/dis-asm.h
@@ -269,7 +269,7 @@
 } asymbol;
 
 typedef int (*fprintf_function)(FILE *f, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 enum dis_insn_type {
   dis_noninsn,			/* Not a valid instruction */
diff --git a/include/hw/acpi/aml-build.h b/include/hw/acpi/aml-build.h
index 8346003..d1fb085 100644
--- a/include/hw/acpi/aml-build.h
+++ b/include/hw/acpi/aml-build.h
@@ -289,7 +289,7 @@
 void aml_append(Aml *parent_ctx, Aml *child);
 
 /* non block AML object primitives */
-Aml *aml_name(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
+Aml *aml_name(const char *name_format, ...) G_GNUC_PRINTF(1, 2);
 Aml *aml_name_decl(const char *name, Aml *val);
 Aml *aml_debug(void);
 Aml *aml_return(Aml *val);
@@ -344,13 +344,13 @@
 Aml *aml_named_field(const char *name, unsigned length);
 Aml *aml_reserved_field(unsigned length);
 Aml *aml_local(int num);
-Aml *aml_string(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
+Aml *aml_string(const char *name_format, ...) G_GNUC_PRINTF(1, 2);
 Aml *aml_lnot(Aml *arg);
 Aml *aml_equal(Aml *arg1, Aml *arg2);
 Aml *aml_lgreater(Aml *arg1, Aml *arg2);
 Aml *aml_lgreater_equal(Aml *arg1, Aml *arg2);
 Aml *aml_processor(uint8_t proc_id, uint32_t pblk_addr, uint8_t pblk_len,
-                   const char *name_format, ...) GCC_FMT_ATTR(4, 5);
+                   const char *name_format, ...) G_GNUC_PRINTF(4, 5);
 Aml *aml_eisaid(const char *str);
 Aml *aml_word_bus_number(AmlMinFixed min_fixed, AmlMaxFixed max_fixed,
                          AmlDecode dec, uint16_t addr_gran,
@@ -384,8 +384,8 @@
 Aml *aml_i2c_serial_bus_device(uint16_t address, const char *resource_source);
 
 /* Block AML object primitives */
-Aml *aml_scope(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
-Aml *aml_device(const char *name_format, ...) GCC_FMT_ATTR(1, 2);
+Aml *aml_scope(const char *name_format, ...) G_GNUC_PRINTF(1, 2);
+Aml *aml_device(const char *name_format, ...) G_GNUC_PRINTF(1, 2);
 Aml *aml_method(const char *name, int arg_count, AmlSerializeFlag sflag);
 Aml *aml_if(Aml *predicate);
 Aml *aml_else(void);
@@ -460,7 +460,7 @@
 
 int
 build_append_named_dword(GArray *array, const char *name_format, ...)
-GCC_FMT_ATTR(2, 3);
+G_GNUC_PRINTF(2, 3);
 
 void build_append_gas(GArray *table, AmlAddressSpace as,
                       uint8_t bit_width, uint8_t bit_offset,
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 0efc615..1369736 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -1016,7 +1016,7 @@
 AddressSpace *cpu_get_address_space(CPUState *cpu, int asidx);
 
 void QEMU_NORETURN cpu_abort(CPUState *cpu, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 /* $(top_srcdir)/cpu.c */
 void cpu_class_init_props(DeviceClass *dc);
diff --git a/include/hw/hw.h b/include/hw/hw.h
index fc5301f..34377f5 100644
--- a/include/hw/hw.h
+++ b/include/hw/hw.h
@@ -5,6 +5,6 @@
 #error Cannot include hw/hw.h from user emulation
 #endif
 
-void QEMU_NORETURN hw_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
+void QEMU_NORETURN hw_error(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
 
 #endif
diff --git a/include/hw/virtio/virtio.h b/include/hw/virtio/virtio.h
index f095637..b31c450 100644
--- a/include/hw/virtio/virtio.h
+++ b/include/hw/virtio/virtio.h
@@ -169,7 +169,7 @@
                          uint16_t device_id, size_t config_size);
 void virtio_cleanup(VirtIODevice *vdev);
 
-void virtio_error(VirtIODevice *vdev, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
+void virtio_error(VirtIODevice *vdev, const char *fmt, ...) G_GNUC_PRINTF(2, 3);
 
 /* Set the child bus name. */
 void virtio_device_set_child_bus_name(VirtIODevice *vdev, char *bus_name);
diff --git a/include/hw/xen/xen-bus-helper.h b/include/hw/xen/xen-bus-helper.h
index 4c0f747..629a904 100644
--- a/include/hw/xen/xen-bus-helper.h
+++ b/include/hw/xen/xen-bus-helper.h
@@ -22,11 +22,11 @@
 void xs_node_vprintf(struct xs_handle *xsh,  xs_transaction_t tid,
                      const char *node, const char *key, Error **errp,
                      const char *fmt, va_list ap)
-    GCC_FMT_ATTR(6, 0);
+    G_GNUC_PRINTF(6, 0);
 void xs_node_printf(struct xs_handle *xsh,  xs_transaction_t tid,
                     const char *node, const char *key, Error **errp,
                     const char *fmt, ...)
-    GCC_FMT_ATTR(6, 7);
+    G_GNUC_PRINTF(6, 7);
 
 /* Read from node/key unless node is empty, in which case read from key */
 int xs_node_vscanf(struct xs_handle *xsh,  xs_transaction_t tid,
diff --git a/include/hw/xen/xen-bus.h b/include/hw/xen/xen-bus.h
index 6bdbf3f..713e763 100644
--- a/include/hw/xen/xen-bus.h
+++ b/include/hw/xen/xen-bus.h
@@ -88,10 +88,10 @@
 
 void xen_device_backend_printf(XenDevice *xendev, const char *key,
                                const char *fmt, ...)
-    GCC_FMT_ATTR(3, 4);
+    G_GNUC_PRINTF(3, 4);
 void xen_device_frontend_printf(XenDevice *xendev, const char *key,
                                 const char *fmt, ...)
-    GCC_FMT_ATTR(3, 4);
+    G_GNUC_PRINTF(3, 4);
 
 int xen_device_frontend_scanf(XenDevice *xendev, const char *key,
                               const char *fmt, ...);
diff --git a/include/hw/xen/xen_common.h b/include/hw/xen/xen_common.h
index a8118b4..179741f 100644
--- a/include/hw/xen/xen_common.h
+++ b/include/hw/xen/xen_common.h
@@ -358,7 +358,7 @@
 void destroy_hvm_domain(bool reboot);
 
 /* shutdown/destroy current domain because of an error */
-void xen_shutdown_fatal_error(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
+void xen_shutdown_fatal_error(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
 
 #ifdef HVM_PARAM_VMPORT_REGS_PFN
 static inline int xen_get_vmport_regs_pfn(xc_interface *xc, domid_t dom,
diff --git a/include/hw/xen/xen_pvdev.h b/include/hw/xen/xen_pvdev.h
index 83e5174..7cd4bc2 100644
--- a/include/hw/xen/xen_pvdev.h
+++ b/include/hw/xen/xen_pvdev.h
@@ -76,6 +76,6 @@
 int xen_pv_send_notify(struct XenLegacyDevice *xendev);
 
 void xen_pv_printf(struct XenLegacyDevice *xendev, int msg_level,
-                   const char *fmt, ...)  GCC_FMT_ATTR(3, 4);
+                   const char *fmt, ...)  G_GNUC_PRINTF(3, 4);
 
 #endif /* QEMU_HW_XEN_PVDEV_H */
diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h
index 12d395d..cc4cc6c 100644
--- a/include/monitor/monitor.h
+++ b/include/monitor/monitor.h
@@ -32,8 +32,8 @@
 int monitor_fd_param(Monitor *mon, const char *fdname, Error **errp);
 
 int monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
-    GCC_FMT_ATTR(2, 0);
-int monitor_printf(Monitor *mon, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 0);
+int monitor_printf(Monitor *mon, const char *fmt, ...) G_GNUC_PRINTF(2, 3);
 void monitor_flush(Monitor *mon);
 int monitor_set_cpu(Monitor *mon, int cpu_index);
 int monitor_get_cpu_index(Monitor *mon);
diff --git a/include/qapi/error.h b/include/qapi/error.h
index 4a9260b..d798fae 100644
--- a/include/qapi/error.h
+++ b/include/qapi/error.h
@@ -320,7 +320,7 @@
 void error_setg_internal(Error **errp,
                          const char *src, int line, const char *func,
                          const char *fmt, ...)
-    GCC_FMT_ATTR(5, 6);
+    G_GNUC_PRINTF(5, 6);
 
 /*
  * Just like error_setg(), with @os_error info added to the message.
@@ -336,7 +336,7 @@
 void error_setg_errno_internal(Error **errp,
                                const char *fname, int line, const char *func,
                                int os_error, const char *fmt, ...)
-    GCC_FMT_ATTR(6, 7);
+    G_GNUC_PRINTF(6, 7);
 
 #ifdef _WIN32
 /*
@@ -350,7 +350,7 @@
 void error_setg_win32_internal(Error **errp,
                                const char *src, int line, const char *func,
                                int win32_err, const char *fmt, ...)
-    GCC_FMT_ATTR(6, 7);
+    G_GNUC_PRINTF(6, 7);
 #endif
 
 /*
@@ -383,21 +383,21 @@
  */
 void error_propagate_prepend(Error **dst_errp, Error *local_err,
                              const char *fmt, ...)
-    GCC_FMT_ATTR(3, 4);
+    G_GNUC_PRINTF(3, 4);
 
 /*
  * Prepend some text to @errp's human-readable error message.
  * The text is made by formatting @fmt, @ap like vprintf().
  */
 void error_vprepend(Error *const *errp, const char *fmt, va_list ap)
-    GCC_FMT_ATTR(2, 0);
+    G_GNUC_PRINTF(2, 0);
 
 /*
  * Prepend some text to @errp's human-readable error message.
  * The text is made by formatting @fmt, ... like printf().
  */
 void error_prepend(Error *const *errp, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 /*
  * Append a printf-style human-readable explanation to an existing error.
@@ -414,7 +414,7 @@
  * newline.
  */
 void error_append_hint(Error *const *errp, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 /*
  * Convenience function to report open() failure.
@@ -458,13 +458,13 @@
  * Convenience function to error_prepend(), warn_report() and free @err.
  */
 void warn_reportf_err(Error *err, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 /*
  * Convenience function to error_prepend(), error_report() and free @err.
  */
 void error_reportf_err(Error *err, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 /*
  * Just like error_setg(), except you get to specify the error class.
@@ -477,7 +477,7 @@
 void error_set_internal(Error **errp,
                         const char *src, int line, const char *func,
                         ErrorClass err_class, const char *fmt, ...)
-    GCC_FMT_ATTR(6, 7);
+    G_GNUC_PRINTF(6, 7);
 
 /*
  * Make @errp parameter easier to use regardless of argument value
diff --git a/include/qapi/qmp/qjson.h b/include/qapi/qmp/qjson.h
index 593b40b..7bd8d2d 100644
--- a/include/qapi/qmp/qjson.h
+++ b/include/qapi/qmp/qjson.h
@@ -17,13 +17,13 @@
 QObject *qobject_from_json(const char *string, Error **errp);
 
 QObject *qobject_from_vjsonf_nofail(const char *string, va_list ap)
-    GCC_FMT_ATTR(1, 0);
+    G_GNUC_PRINTF(1, 0);
 QObject *qobject_from_jsonf_nofail(const char *string, ...)
-    GCC_FMT_ATTR(1, 2);
+    G_GNUC_PRINTF(1, 2);
 QDict *qdict_from_vjsonf_nofail(const char *string, va_list ap)
-    GCC_FMT_ATTR(1, 0);
+    G_GNUC_PRINTF(1, 0);
 QDict *qdict_from_jsonf_nofail(const char *string, ...)
-    GCC_FMT_ATTR(1, 2);
+    G_GNUC_PRINTF(1, 2);
 
 GString *qobject_to_json(const QObject *obj);
 GString *qobject_to_json_pretty(const QObject *obj, bool pretty);
diff --git a/include/qemu-common.h b/include/qemu-common.h
index 8c0d9ab..f0fe07c 100644
--- a/include/qemu-common.h
+++ b/include/qemu-common.h
@@ -27,7 +27,7 @@
 #endif
 
 ssize_t qemu_write_full(int fd, const void *buf, size_t count)
-    QEMU_WARN_UNUSED_RESULT;
+    G_GNUC_WARN_UNUSED_RESULT;
 
 #ifndef _WIN32
 int qemu_pipe(int pipefd[2]);
@@ -35,25 +35,6 @@
 int qemu_openpty_raw(int *aslave, char *pty_name);
 #endif
 
-#ifdef _WIN32
-/* MinGW needs type casts for the 'buf' and 'optval' arguments. */
-#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
-    getsockopt(sockfd, level, optname, (void *)optval, optlen)
-#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
-    setsockopt(sockfd, level, optname, (const void *)optval, optlen)
-#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, (void *)buf, len, flags)
-#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
-    sendto(sockfd, (const void *)buf, len, flags, destaddr, addrlen)
-#else
-#define qemu_getsockopt(sockfd, level, optname, optval, optlen) \
-    getsockopt(sockfd, level, optname, optval, optlen)
-#define qemu_setsockopt(sockfd, level, optname, optval, optlen) \
-    setsockopt(sockfd, level, optname, optval, optlen)
-#define qemu_recv(sockfd, buf, len, flags) recv(sockfd, buf, len, flags)
-#define qemu_sendto(sockfd, buf, len, flags, destaddr, addrlen) \
-    sendto(sockfd, buf, len, flags, destaddr, addrlen)
-#endif
-
 void cpu_exec_init_all(void);
 void cpu_exec_step_atomic(CPUState *cpu);
 
@@ -127,7 +108,6 @@
  */
 int parse_debug_env(const char *name, int max, int initial);
 
-const char *qemu_ether_ntoa(const MACAddr *mac);
 void page_size_init(void);
 
 /* returns non-zero if dump is in progress, otherwise zero is
diff --git a/include/qemu/buffer.h b/include/qemu/buffer.h
index d34d2c8..e95dfd6 100644
--- a/include/qemu/buffer.h
+++ b/include/qemu/buffer.h
@@ -49,7 +49,7 @@
  * to identify in debug traces.
  */
 void buffer_init(Buffer *buffer, const char *name, ...)
-        GCC_FMT_ATTR(2, 3);
+        G_GNUC_PRINTF(2, 3);
 
 /**
  * buffer_shrink:
diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h
index 3baa5e3..d935985 100644
--- a/include/qemu/compiler.h
+++ b/include/qemu/compiler.h
@@ -7,6 +7,11 @@
 #ifndef COMPILER_H
 #define COMPILER_H
 
+#define HOST_BIG_ENDIAN (__BYTE_ORDER__ == __ORDER_BIG_ENDIAN__)
+
+/* HOST_LONG_BITS is the size of a native pointer in bits. */
+#define HOST_LONG_BITS (__SIZEOF_POINTER__ * 8)
+
 #if defined __clang_analyzer__ || defined __COVERITY__
 #define QEMU_STATIC_ANALYSIS 1
 #endif
@@ -19,10 +24,6 @@
 
 #define QEMU_NORETURN __attribute__ ((__noreturn__))
 
-#define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
-
-#define QEMU_SENTINEL __attribute__((sentinel))
-
 #if defined(_WIN32) && (defined(__x86_64__) || defined(__i386__))
 # define QEMU_PACKED __attribute__((gcc_struct, packed))
 #else
@@ -79,19 +80,12 @@
 #define QEMU_BUILD_BUG_ON_ZERO(x) (sizeof(QEMU_BUILD_BUG_ON_STRUCT(x)) - \
                                    sizeof(QEMU_BUILD_BUG_ON_STRUCT(x)))
 
-#if defined(__clang__)
-/* clang doesn't support gnu_printf, so use printf. */
-# define GCC_FMT_ATTR(n, m) __attribute__((format(printf, n, m)))
-#else
-/* Use gnu_printf (qemu uses standard format strings). */
-# define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m)))
-# if defined(_WIN32)
+#if !defined(__clang__) && defined(_WIN32)
 /*
  * Map __printf__ to __gnu_printf__ because we want standard format strings even
  * when MinGW or GLib include files use __printf__.
  */
-#  define __printf__ __gnu_printf__
-# endif
+# define __printf__ __gnu_printf__
 #endif
 
 #ifndef __has_warning
diff --git a/include/qemu/error-report.h b/include/qemu/error-report.h
index 9d197da..b6f45e6 100644
--- a/include/qemu/error-report.h
+++ b/include/qemu/error-report.h
@@ -30,23 +30,23 @@
 void loc_set_cmdline(char **argv, int idx, int cnt);
 void loc_set_file(const char *fname, int lno);
 
-int error_vprintf(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
-int error_printf(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
-int error_vprintf_unless_qmp(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
-int error_printf_unless_qmp(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
+int error_vprintf(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
+int error_printf(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
+int error_vprintf_unless_qmp(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
+int error_printf_unless_qmp(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
 
-void error_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
-void warn_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
-void info_vreport(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
+void error_vreport(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
+void warn_vreport(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
+void info_vreport(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
 
-void error_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
-void warn_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
-void info_report(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
+void error_report(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
+void warn_report(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
+void info_report(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
 
 bool error_report_once_cond(bool *printed, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 bool warn_report_once_cond(bool *printed, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 void error_init(const char *argv0);
 
@@ -72,8 +72,6 @@
                               fmt, ##__VA_ARGS__);      \
     })
 
-const char *error_get_progname(void);
-
 extern bool message_with_timestamp;
 extern bool error_with_guestname;
 extern const char *error_guest_name;
diff --git a/include/qemu/log-for-trace.h b/include/qemu/log-for-trace.h
index 2f0a5b0..5e41517 100644
--- a/include/qemu/log-for-trace.h
+++ b/include/qemu/log-for-trace.h
@@ -30,6 +30,6 @@
 }
 
 /* main logging function */
-int GCC_FMT_ATTR(1, 2) qemu_log(const char *fmt, ...);
+int G_GNUC_PRINTF(1, 2) qemu_log(const char *fmt, ...);
 
 #endif
diff --git a/include/qemu/log.h b/include/qemu/log.h
index 9b80660..5739c7e 100644
--- a/include/qemu/log.h
+++ b/include/qemu/log.h
@@ -96,7 +96,7 @@
 
 /* vfprintf-like logging function
  */
-static inline void GCC_FMT_ATTR(1, 0)
+static inline void G_GNUC_PRINTF(1, 0)
 qemu_log_vprintf(const char *fmt, va_list va)
 {
     QemuLogFile *logfile;
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index f2274b2..9f06bf5 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -244,15 +244,6 @@
 #define TIME_MAX TYPE_MAXIMUM(time_t)
 #endif
 
-/* HOST_LONG_BITS is the size of a native pointer in bits. */
-#if UINTPTR_MAX == UINT32_MAX
-# define HOST_LONG_BITS 32
-#elif UINTPTR_MAX == UINT64_MAX
-# define HOST_LONG_BITS 64
-#else
-# error Unknown pointer size
-#endif
-
 /* Mac OSX has a <stdint.h> bug that incorrectly defines SIZE_MAX with
  * the wrong type. Our replacement isn't usable in preprocessor
  * expressions, but it is sufficient for our needs. */
diff --git a/include/qemu/qemu-print.h b/include/qemu/qemu-print.h
index 40b5962..1b709206 100644
--- a/include/qemu/qemu-print.h
+++ b/include/qemu/qemu-print.h
@@ -13,11 +13,11 @@
 #ifndef QEMU_PRINT_H
 #define QEMU_PRINT_H
 
-int qemu_vprintf(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
-int qemu_printf(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
+int qemu_vprintf(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
+int qemu_printf(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
 
 int qemu_vfprintf(FILE *stream, const char *fmt, va_list ap)
-    GCC_FMT_ATTR(2, 0);
-int qemu_fprintf(FILE *stream, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 0);
+int qemu_fprintf(FILE *stream, const char *fmt, ...) G_GNUC_PRINTF(2, 3);
 
 #endif
diff --git a/include/qemu/range.h b/include/qemu/range.h
index f62b363..7e2b1cc 100644
--- a/include/qemu/range.h
+++ b/include/qemu/range.h
@@ -114,8 +114,8 @@
  * @size may be 0. If the range would overflow, returns -ERANGE, otherwise
  * 0.
  */
-static inline int QEMU_WARN_UNUSED_RESULT range_init(Range *range, uint64_t lob,
-                                                     uint64_t size)
+G_GNUC_WARN_UNUSED_RESULT
+static inline int range_init(Range *range, uint64_t lob, uint64_t size)
 {
     if (lob + size < lob) {
         return -ERANGE;
diff --git a/include/qemu/readline.h b/include/qemu/readline.h
index e812583..622aa45 100644
--- a/include/qemu/readline.h
+++ b/include/qemu/readline.h
@@ -5,7 +5,7 @@
 #define READLINE_MAX_CMDS 64
 #define READLINE_MAX_COMPLETIONS 256
 
-typedef void GCC_FMT_ATTR(2, 3) ReadLinePrintfFunc(void *opaque,
+typedef void G_GNUC_PRINTF(2, 3) ReadLinePrintfFunc(void *opaque,
                                                    const char *fmt, ...);
 typedef void ReadLineFlushFunc(void *opaque);
 typedef void ReadLineFunc(void *opaque, const char *str,
diff --git a/include/qom/object.h b/include/qom/object.h
index fae096f..5f3d5b5 100644
--- a/include/qom/object.h
+++ b/include/qom/object.h
@@ -616,7 +616,7 @@
                               Object *parent,
                               const char *id,
                               Error **errp,
-                              ...) QEMU_SENTINEL;
+                              ...) G_GNUC_NULL_TERMINATED;
 
 /**
  * object_new_with_propv:
@@ -676,7 +676,7 @@
  *
  * Returns: %true on success, %false on error.
  */
-bool object_set_props(Object *obj, Error **errp, ...) QEMU_SENTINEL;
+bool object_set_props(Object *obj, Error **errp, ...) G_GNUC_NULL_TERMINATED;
 
 /**
  * object_set_propv:
@@ -728,7 +728,7 @@
 bool object_initialize_child_with_props(Object *parentobj,
                              const char *propname,
                              void *childobj, size_t size, const char *type,
-                             Error **errp, ...) QEMU_SENTINEL;
+                             Error **errp, ...) G_GNUC_NULL_TERMINATED;
 
 /**
  * object_initialize_child_with_propsv:
diff --git a/io/channel-socket.c b/io/channel-socket.c
index 459922c..7a8d9f6 100644
--- a/io/channel-socket.c
+++ b/io/channel-socket.c
@@ -681,9 +681,9 @@
     QIOChannelSocket *sioc = QIO_CHANNEL_SOCKET(ioc);
     int v = enabled ? 0 : 1;
 
-    qemu_setsockopt(sioc->fd,
-                    IPPROTO_TCP, TCP_NODELAY,
-                    &v, sizeof(v));
+    setsockopt(sioc->fd,
+               IPPROTO_TCP, TCP_NODELAY,
+               &v, sizeof(v));
 }
 
 
diff --git a/io/channel-websock.c b/io/channel-websock.c
index 70889bb..55145a6 100644
--- a/io/channel-websock.c
+++ b/io/channel-websock.c
@@ -157,7 +157,7 @@
     QIO_CHANNEL_WEBSOCK_OPCODE_PONG = 0xA
 };
 
-static void GCC_FMT_ATTR(2, 3)
+static void G_GNUC_PRINTF(2, 3)
 qio_channel_websock_handshake_send_res(QIOChannelWebsock *ioc,
                                        const char *resmsg,
                                        ...)
diff --git a/meson.build b/meson.build
index f71e1a1..aef724a 100644
--- a/meson.build
+++ b/meson.build
@@ -1853,21 +1853,57 @@
         return printf("%zu", SIZE_MAX);
     }''', args: ['-Werror']))
 
-# See if 64-bit atomic operations are supported.
-# Note that without __atomic builtins, we can only
-# assume atomic loads/stores max at pointer size.
-config_host_data.set('CONFIG_ATOMIC64', cc.links('''
+atomic_test = '''
   #include <stdint.h>
   int main(void)
   {
-    uint64_t x = 0, y = 0;
+    @0@ x = 0, y = 0;
     y = __atomic_load_n(&x, __ATOMIC_RELAXED);
     __atomic_store_n(&x, y, __ATOMIC_RELAXED);
     __atomic_compare_exchange_n(&x, &y, x, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED);
     __atomic_exchange_n(&x, y, __ATOMIC_RELAXED);
     __atomic_fetch_add(&x, y, __ATOMIC_RELAXED);
     return 0;
-  }'''))
+  }'''
+
+# See if 64-bit atomic operations are supported.
+# Note that without __atomic builtins, we can only
+# assume atomic loads/stores max at pointer size.
+config_host_data.set('CONFIG_ATOMIC64', cc.links(atomic_test.format('uint64_t')))
+
+has_int128 = cc.links('''
+  __int128_t a;
+  __uint128_t b;
+  int main (void) {
+    a = a + b;
+    b = a * b;
+    a = a * a;
+    return 0;
+  }''')
+
+config_host_data.set('CONFIG_INT128', has_int128)
+
+if has_int128
+  # "do we have 128-bit atomics which are handled inline and specifically not
+  # via libatomic". The reason we can't use libatomic is documented in the
+  # comment starting "GCC is a house divided" in include/qemu/atomic128.h.
+  has_atomic128 = cc.links(atomic_test.format('unsigned __int128'))
+
+  config_host_data.set('CONFIG_ATOMIC128', has_atomic128)
+
+  if not has_atomic128
+    has_cmpxchg128 = cc.links('''
+      int main(void)
+      {
+        unsigned __int128 x = 0, y = 0;
+        __sync_val_compare_and_swap_16(&x, y, x);
+        return 0;
+      }
+    ''')
+
+    config_host_data.set('CONFIG_CMPXCHG128', has_cmpxchg128)
+  endif
+endif
 
 config_host_data.set('CONFIG_GETAUXVAL', cc.links(gnu_source_prefix + '''
   #include <sys/auxv.h>
diff --git a/monitor/hmp.c b/monitor/hmp.c
index 5690660..24fd2e5 100644
--- a/monitor/hmp.c
+++ b/monitor/hmp.c
@@ -308,7 +308,7 @@
 static const char *pch;
 static sigjmp_buf expr_env;
 
-static void GCC_FMT_ATTR(2, 3) QEMU_NORETURN
+static void G_GNUC_PRINTF(2, 3) QEMU_NORETURN
 expr_error(Monitor *mon, const char *fmt, ...)
 {
     va_list ap;
@@ -1462,7 +1462,7 @@
  * These functions just adapt the readline interface in a typesafe way.  We
  * could cast function pointers but that discards compiler checks.
  */
-static void GCC_FMT_ATTR(2, 3) monitor_readline_printf(void *opaque,
+static void G_GNUC_PRINTF(2, 3) monitor_readline_printf(void *opaque,
                                                        const char *fmt, ...)
 {
     MonitorHMP *mon = opaque;
diff --git a/nbd/server.c b/nbd/server.c
index 5da884c..c5644fd 100644
--- a/nbd/server.c
+++ b/nbd/server.c
@@ -213,7 +213,7 @@
 
 /* Send an error reply.
  * Return -errno on error, 0 on success. */
-static int GCC_FMT_ATTR(4, 0)
+static int G_GNUC_PRINTF(4, 0)
 nbd_negotiate_send_rep_verr(NBDClient *client, uint32_t type,
                             Error **errp, const char *fmt, va_list va)
 {
@@ -253,7 +253,7 @@
 
 /* Send an error reply.
  * Return -errno on error, 0 on success. */
-static int GCC_FMT_ATTR(4, 5)
+static int G_GNUC_PRINTF(4, 5)
 nbd_negotiate_send_rep_err(NBDClient *client, uint32_t type,
                            Error **errp, const char *fmt, ...)
 {
@@ -269,7 +269,7 @@
 /* Drop remainder of the current option, and send a reply with the
  * given error type and message. Return -errno on read or write
  * failure; or 0 if connection is still live. */
-static int GCC_FMT_ATTR(4, 0)
+static int G_GNUC_PRINTF(4, 0)
 nbd_opt_vdrop(NBDClient *client, uint32_t type, Error **errp,
               const char *fmt, va_list va)
 {
@@ -282,7 +282,7 @@
     return ret;
 }
 
-static int GCC_FMT_ATTR(4, 5)
+static int G_GNUC_PRINTF(4, 5)
 nbd_opt_drop(NBDClient *client, uint32_t type, Error **errp,
              const char *fmt, ...)
 {
@@ -296,7 +296,7 @@
     return ret;
 }
 
-static int GCC_FMT_ATTR(3, 4)
+static int G_GNUC_PRINTF(3, 4)
 nbd_opt_invalid(NBDClient *client, Error **errp, const char *fmt, ...)
 {
     int ret;
@@ -2064,7 +2064,7 @@
     g_free(ea->extents);
     g_free(ea);
 }
-G_DEFINE_AUTOPTR_CLEANUP_FUNC(NBDExtentArray, nbd_extent_array_free);
+G_DEFINE_AUTOPTR_CLEANUP_FUNC(NBDExtentArray, nbd_extent_array_free)
 
 /* Further modifications of the array after conversion are abandoned */
 static void nbd_extent_array_convert_to_be(NBDExtentArray *ea)
diff --git a/net/announce.c b/net/announce.c
index 26f057f..3b9e2f1 100644
--- a/net/announce.c
+++ b/net/announce.c
@@ -120,6 +120,19 @@
     return 60; /* len (FCS will be added by hardware) */
 }
 
+/*
+ * Helper to print ethernet mac address
+ */
+static const char *qemu_ether_ntoa(const MACAddr *mac)
+{
+    static char ret[18];
+
+    snprintf(ret, sizeof(ret), "%02x:%02x:%02x:%02x:%02x:%02x",
+             mac->a[0], mac->a[1], mac->a[2], mac->a[3], mac->a[4], mac->a[5]);
+
+    return ret;
+}
+
 static void qemu_announce_self_iter(NICState *nic, void *opaque)
 {
     AnnounceTimer *timer = opaque;
diff --git a/net/socket.c b/net/socket.c
index 15b410e..c4b80e9 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -120,9 +120,9 @@
 
     do {
         if (s->dgram_dst.sin_family != AF_UNIX) {
-            ret = qemu_sendto(s->fd, buf, size, 0,
-                              (struct sockaddr *)&s->dgram_dst,
-                              sizeof(s->dgram_dst));
+            ret = sendto(s->fd, buf, size, 0,
+                         (struct sockaddr *)&s->dgram_dst,
+                         sizeof(s->dgram_dst));
         } else {
             ret = send(s->fd, buf, size, 0);
         }
@@ -163,7 +163,7 @@
     uint8_t buf1[NET_BUFSIZE];
     const uint8_t *buf;
 
-    size = qemu_recv(s->fd, buf1, sizeof(buf1), 0);
+    size = recv(s->fd, buf1, sizeof(buf1), 0);
     if (size < 0) {
         if (errno != EWOULDBLOCK)
             goto eoc;
@@ -198,7 +198,7 @@
     NetSocketState *s = opaque;
     int size;
 
-    size = qemu_recv(s->fd, s->rs.buf, sizeof(s->rs.buf), 0);
+    size = recv(s->fd, s->rs.buf, sizeof(s->rs.buf), 0);
     if (size < 0)
         return;
     if (size == 0) {
@@ -246,7 +246,7 @@
      * only on posix systems.
      */
     val = 1;
-    ret = qemu_setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
+    ret = setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &val, sizeof(val));
     if (ret < 0) {
         error_setg_errno(errp, errno,
                          "can't set socket option SO_REUSEADDR");
@@ -268,8 +268,8 @@
         imr.imr_interface.s_addr = htonl(INADDR_ANY);
     }
 
-    ret = qemu_setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
-                          &imr, sizeof(struct ip_mreq));
+    ret = setsockopt(fd, IPPROTO_IP, IP_ADD_MEMBERSHIP,
+                     &imr, sizeof(struct ip_mreq));
     if (ret < 0) {
         error_setg_errno(errp, errno,
                          "can't add socket to multicast group %s",
@@ -279,8 +279,8 @@
 
     /* Force mcast msgs to loopback (eg. several QEMUs in same host */
     loop = 1;
-    ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
-                          &loop, sizeof(loop));
+    ret = setsockopt(fd, IPPROTO_IP, IP_MULTICAST_LOOP,
+                     &loop, sizeof(loop));
     if (ret < 0) {
         error_setg_errno(errp, errno,
                          "can't force multicast message to loopback");
@@ -289,8 +289,8 @@
 
     /* If a bind address is given, only send packets from that address */
     if (localaddr != NULL) {
-        ret = qemu_setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
-                              localaddr, sizeof(*localaddr));
+        ret = setsockopt(fd, IPPROTO_IP, IP_MULTICAST_IF,
+                         localaddr, sizeof(*localaddr));
         if (ret < 0) {
             error_setg_errno(errp, errno,
                              "can't set the default network send interface");
diff --git a/qapi/qapi-forward-visitor.c b/qapi/qapi-forward-visitor.c
index 4ea7e0b..e36d9bc 100644
--- a/qapi/qapi-forward-visitor.c
+++ b/qapi/qapi-forward-visitor.c
@@ -23,7 +23,6 @@
 #include "qapi/qmp/qnum.h"
 #include "qapi/qmp/qstring.h"
 #include "qemu/cutils.h"
-#include "qemu/option.h"
 
 struct ForwardFieldVisitor {
     Visitor visitor;
diff --git a/qapi/qmp-dispatch.c b/qapi/qmp-dispatch.c
index d378bcc..0990873 100644
--- a/qapi/qmp-dispatch.c
+++ b/qapi/qmp-dispatch.c
@@ -21,7 +21,6 @@
 #include "qapi/qmp/qjson.h"
 #include "qapi/qobject-input-visitor.h"
 #include "qapi/qobject-output-visitor.h"
-#include "sysemu/runstate.h"
 #include "qapi/qmp/qbool.h"
 #include "qemu/coroutine.h"
 #include "qemu/main-loop.h"
diff --git a/qapi/string-output-visitor.c b/qapi/string-output-visitor.c
index 5506c93..71ddc92 100644
--- a/qapi/string-output-visitor.c
+++ b/qapi/string-output-visitor.c
@@ -14,7 +14,6 @@
 #include "qemu/cutils.h"
 #include "qapi/string-output-visitor.h"
 #include "qapi/visitor-impl.h"
-#include "qemu/host-utils.h"
 #include <math.h>
 #include "qemu/range.h"
 
diff --git a/qemu-img.c b/qemu-img.c
index 5dffb3e..1caddfb 100644
--- a/qemu-img.c
+++ b/qemu-img.c
@@ -99,7 +99,7 @@
     printf(" %s", name);
 }
 
-static void QEMU_NORETURN GCC_FMT_ATTR(1, 2) error_exit(const char *fmt, ...)
+static void QEMU_NORETURN G_GNUC_PRINTF(1, 2) error_exit(const char *fmt, ...)
 {
     va_list ap;
 
@@ -284,7 +284,7 @@
     },
 };
 
-static int GCC_FMT_ATTR(2, 3) qprintf(bool quiet, const char *fmt, ...)
+static int G_GNUC_PRINTF(2, 3) qprintf(bool quiet, const char *fmt, ...)
 {
     int ret = 0;
     if (!quiet) {
diff --git a/qemu-io.c b/qemu-io.c
index 3924639..eb8afc8 100644
--- a/qemu-io.c
+++ b/qemu-io.c
@@ -323,13 +323,13 @@
     static char prompt[FILENAME_MAX + 2 /*"> "*/ + 1 /*"\0"*/ ];
 
     if (!prompt[0]) {
-        snprintf(prompt, sizeof(prompt), "%s> ", error_get_progname());
+        snprintf(prompt, sizeof(prompt), "%s> ", g_get_prgname());
     }
 
     return prompt;
 }
 
-static void GCC_FMT_ATTR(2, 3) readline_printf_func(void *opaque,
+static void G_GNUC_PRINTF(2, 3) readline_printf_func(void *opaque,
                                                     const char *fmt, ...)
 {
     va_list ap;
@@ -598,10 +598,10 @@
             break;
         case 'V':
             printf("%s version " QEMU_FULL_VERSION "\n"
-                   QEMU_COPYRIGHT "\n", error_get_progname());
+                   QEMU_COPYRIGHT "\n", g_get_prgname());
             exit(0);
         case 'h':
-            usage(error_get_progname());
+            usage(g_get_prgname());
             exit(0);
         case 'U':
             force_share = true;
@@ -613,13 +613,13 @@
             imageOpts = true;
             break;
         default:
-            usage(error_get_progname());
+            usage(g_get_prgname());
             exit(1);
         }
     }
 
     if ((argc - optind) > 1) {
-        usage(error_get_progname());
+        usage(g_get_prgname());
         exit(1);
     }
 
diff --git a/qemu-options.hx b/qemu-options.hx
index 58f2f76..34e9b32 100644
--- a/qemu-options.hx
+++ b/qemu-options.hx
@@ -2097,6 +2097,7 @@
     Enable SDL.
 ERST
 
+#ifdef CONFIG_SPICE
 DEF("spice", HAS_ARG, QEMU_OPTION_spice,
     "-spice [port=port][,tls-port=secured-port][,x509-dir=<dir>]\n"
     "       [,x509-key-file=<file>][,x509-key-password=<file>]\n"
@@ -2118,6 +2119,7 @@
     "   enable spice\n"
     "   at least one of {port, tls-port} is mandatory\n",
     QEMU_ARCH_ALL)
+#endif
 SRST
 ``-spice option[,option[,...]]``
     Enable the spice remote desktop protocol. Valid options are
diff --git a/qga/guest-agent-core.h b/qga/guest-agent-core.h
index 9d01ea9..29cd504 100644
--- a/qga/guest-agent-core.h
+++ b/qga/guest-agent-core.h
@@ -36,7 +36,7 @@
 bool ga_logging_enabled(GAState *s);
 void ga_disable_logging(GAState *s);
 void ga_enable_logging(GAState *s);
-void GCC_FMT_ATTR(1, 2) slog(const gchar *fmt, ...);
+void G_GNUC_PRINTF(1, 2) slog(const gchar *fmt, ...);
 void ga_set_response_delimited(GAState *s);
 bool ga_is_frozen(GAState *s);
 void ga_set_frozen(GAState *s);
diff --git a/qga/main.c b/qga/main.c
index 15fd3a4..b9dd199 100644
--- a/qga/main.c
+++ b/qga/main.c
@@ -27,7 +27,6 @@
 #include "qapi/qmp/qerror.h"
 #include "qapi/error.h"
 #include "channel.h"
-#include "qemu/bswap.h"
 #include "qemu/cutils.h"
 #include "qemu/help_option.h"
 #include "qemu/sockets.h"
diff --git a/qga/vss-win32/requester.h b/qga/vss-win32/requester.h
index 5a8e8fa..ecc5f2a 100644
--- a/qga/vss-win32/requester.h
+++ b/qga/vss-win32/requester.h
@@ -25,7 +25,7 @@
 typedef void (*ErrorSetFunc)(struct Error **errp,
                              const char *src, int line, const char *func,
                              int win32_err, const char *fmt, ...)
-    GCC_FMT_ATTR(6, 7);
+    G_GNUC_PRINTF(6, 7);
 typedef struct ErrorSet {
     ErrorSetFunc error_setg_win32_wrapper;
     struct Error **errp;        /* restriction: must not be null */
diff --git a/qobject/json-parser.c b/qobject/json-parser.c
index 008b326..d498db6 100644
--- a/qobject/json-parser.c
+++ b/qobject/json-parser.c
@@ -54,7 +54,7 @@
 /**
  * Error handler
  */
-static void GCC_FMT_ATTR(3, 4) parse_error(JSONParserContext *ctxt,
+static void G_GNUC_PRINTF(3, 4) parse_error(JSONParserContext *ctxt,
                                            JSONToken *token, const char *msg, ...)
 {
     va_list ap;
diff --git a/scripts/checkpatch.pl b/scripts/checkpatch.pl
index ddd8148..ddc6003 100755
--- a/scripts/checkpatch.pl
+++ b/scripts/checkpatch.pl
@@ -224,10 +224,10 @@
 			const|
 			volatile|
 			QEMU_NORETURN|
-			QEMU_WARN_UNUSED_RESULT|
-			QEMU_SENTINEL|
+			G_GNUC_WARN_UNUSED_RESULT|
+			G_GNUC_NULL_TERMINATED|
 			QEMU_PACKED|
-			GCC_FMT_ATTR
+			G_GNUC_PRINTF
 		  }x;
 our $Modifier;
 our $Inline	= qr{inline};
diff --git a/scripts/cocci-macro-file.h b/scripts/cocci-macro-file.h
index 20eea6b..3d1e9b5 100644
--- a/scripts/cocci-macro-file.h
+++ b/scripts/cocci-macro-file.h
@@ -20,8 +20,8 @@
 
 /* From qemu/compiler.h */
 #define QEMU_NORETURN __attribute__ ((__noreturn__))
-#define QEMU_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
-#define QEMU_SENTINEL __attribute__((sentinel))
+#define G_GNUC_WARN_UNUSED_RESULT __attribute__((warn_unused_result))
+#define G_GNUC_NULL_TERMINATED __attribute__((sentinel))
 
 #if defined(_WIN32) && (defined(__x86_64__) || defined(__i386__))
 # define QEMU_PACKED __attribute__((gcc_struct, packed))
@@ -34,7 +34,7 @@
 #define QEMU_BUILD_BUG_ON(x) \
     typedef char cat2(qemu_build_bug_on__,__LINE__)[(x)?-1:1] __attribute__((unused));
 
-#define GCC_FMT_ATTR(n, m) __attribute__((format(gnu_printf, n, m)))
+#define G_GNUC_PRINTF(n, m) __attribute__((format(gnu_printf, n, m)))
 
 #define xglue(x, y) x ## y
 #define glue(x, y) xglue(x, y)
diff --git a/scripts/modinfo-collect.py b/scripts/modinfo-collect.py
index 61b9068..4e7584d 100755
--- a/scripts/modinfo-collect.py
+++ b/scripts/modinfo-collect.py
@@ -18,13 +18,8 @@
 
 def process_command(src, command):
     skip = False
-    arg = False
     out = []
     for item in shlex.split(command):
-        if arg:
-            out.append(x)
-            arg = False
-            continue
         if skip:
             skip = False
             continue
diff --git a/softmmu/qtest.c b/softmmu/qtest.c
index 8b7cb6a..cc58623 100644
--- a/softmmu/qtest.c
+++ b/softmmu/qtest.c
@@ -288,7 +288,7 @@
             (long) tv.tv_sec, (long) tv.tv_usec);
 }
 
-static void GCC_FMT_ATTR(1, 2) qtest_log_send(const char *fmt, ...)
+static void G_GNUC_PRINTF(1, 2) qtest_log_send(const char *fmt, ...)
 {
     va_list ap;
 
@@ -318,7 +318,7 @@
     qtest_server_send(qtest_server_send_opaque, str);
 }
 
-static void GCC_FMT_ATTR(2, 3) qtest_sendf(CharBackend *chr,
+static void G_GNUC_PRINTF(2, 3) qtest_sendf(CharBackend *chr,
                                            const char *fmt, ...)
 {
     va_list ap;
diff --git a/softmmu/vl.c b/softmmu/vl.c
index 0b81f61..6f64653 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -836,7 +836,7 @@
     version();
     printf("usage: %s [options] [disk_image]\n\n"
            "'disk_image' is a raw hard disk image for IDE hard disk 0\n\n",
-            error_get_progname());
+            g_get_prgname());
 
 #define DEF(option, opt_arg, opt_enum, opt_help, arch_mask)    \
     if ((arch_mask) & arch_type)                               \
@@ -1961,7 +1961,7 @@
     object_option_foreach_add(object_create_early);
 
     /* spice needs the timers to be initialized by this point */
-    /* spice must initialize before audio as it changes the default auiodev */
+    /* spice must initialize before audio as it changes the default audiodev */
     /* spice must initialize before chardevs (for spicevmc and spiceport) */
     qemu_spice.init();
 
@@ -3537,6 +3537,7 @@
             case QEMU_OPTION_readconfig:
                 qemu_read_config_file(optarg, qemu_parse_config_group, &error_fatal);
                 break;
+#ifdef CONFIG_SPICE
             case QEMU_OPTION_spice:
                 olist = qemu_find_opts_err("spice", NULL);
                 if (!olist) {
@@ -3549,6 +3550,7 @@
                 }
                 display_remote++;
                 break;
+#endif
             case QEMU_OPTION_writeconfig:
                 {
                     FILE *fp;
diff --git a/storage-daemon/qemu-storage-daemon.c b/storage-daemon/qemu-storage-daemon.c
index dd18b2c..eb72407 100644
--- a/storage-daemon/qemu-storage-daemon.c
+++ b/storage-daemon/qemu-storage-daemon.c
@@ -141,7 +141,7 @@
 "  --pidfile <path>       write process ID to a file after startup\n"
 "\n"
 QEMU_HELP_BOTTOM "\n",
-    error_get_progname());
+    g_get_prgname());
 }
 
 enum {
diff --git a/target/m68k/m68k-semi.c b/target/m68k/m68k-semi.c
index 44ec7e4..c5c164e 100644
--- a/target/m68k/m68k-semi.c
+++ b/target/m68k/m68k-semi.c
@@ -381,7 +381,7 @@
             qemu_timeval tv;
             struct gdb_timeval *p;
             result = qemu_gettimeofday(&tv);
-            if (result != 0) {
+            if (result == 0) {
                 if (!(p = lock_user(VERIFY_WRITE,
                                     arg0, sizeof(struct gdb_timeval), 0))) {
                     /* FIXME - check error code? */
diff --git a/target/nios2/nios2-semi.c b/target/nios2/nios2-semi.c
index fe5598b..5a7ad0c 100644
--- a/target/nios2/nios2-semi.c
+++ b/target/nios2/nios2-semi.c
@@ -403,7 +403,7 @@
             qemu_timeval tv;
             struct gdb_timeval *p;
             result = qemu_gettimeofday(&tv);
-            if (result != 0) {
+            if (result == 0) {
                 p = lock_user(VERIFY_WRITE, arg0, sizeof(struct gdb_timeval),
                               0);
                 if (!p) {
diff --git a/tests/qtest/e1000e-test.c b/tests/qtest/e1000e-test.c
index 0273fe4..e648fdd 100644
--- a/tests/qtest/e1000e-test.c
+++ b/tests/qtest/e1000e-test.c
@@ -91,9 +91,9 @@
     g_assert_cmphex(le32_to_cpu(descr.upper.data) & dsta_dd, ==, dsta_dd);
 
     /* Check data sent to the backend */
-    ret = qemu_recv(test_sockets[0], &recv_len, sizeof(recv_len), 0);
+    ret = recv(test_sockets[0], &recv_len, sizeof(recv_len), 0);
     g_assert_cmpint(ret, == , sizeof(recv_len));
-    ret = qemu_recv(test_sockets[0], buffer, 64, 0);
+    ret = recv(test_sockets[0], buffer, 64, 0);
     g_assert_cmpint(ret, >=, 5);
     g_assert_cmpstr(buffer, == , "TEST");
 
diff --git a/tests/qtest/libqos/libqtest.h b/tests/qtest/libqos/libqtest.h
index cf38d27..552667f 100644
--- a/tests/qtest/libqos/libqtest.h
+++ b/tests/qtest/libqos/libqtest.h
@@ -31,7 +31,7 @@
  *
  * Returns: #QTestState instance.
  */
-QTestState *qtest_initf(const char *fmt, ...) GCC_FMT_ATTR(1, 2);
+QTestState *qtest_initf(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
 
 /**
  * qtest_vinitf:
@@ -43,7 +43,7 @@
  *
  * Returns: #QTestState instance.
  */
-QTestState *qtest_vinitf(const char *fmt, va_list ap) GCC_FMT_ATTR(1, 0);
+QTestState *qtest_vinitf(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
 
 /**
  * qtest_init:
@@ -106,7 +106,7 @@
  */
 QDict *qtest_qmp_fds(QTestState *s, int *fds, size_t fds_num,
                      const char *fmt, ...)
-    GCC_FMT_ATTR(4, 5);
+    G_GNUC_PRINTF(4, 5);
 
 /**
  * qtest_qmp:
@@ -118,7 +118,7 @@
  * Sends a QMP message to QEMU and returns the response.
  */
 QDict *qtest_qmp(QTestState *s, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 /**
  * qtest_qmp_send:
@@ -130,7 +130,7 @@
  * Sends a QMP message to QEMU and leaves the response in the stream.
  */
 void qtest_qmp_send(QTestState *s, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 /**
  * qtest_qmp_send_raw:
@@ -141,7 +141,7 @@
  * this is useful for negative tests.
  */
 void qtest_qmp_send_raw(QTestState *s, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 /**
  * qtest_socket_server:
@@ -165,7 +165,7 @@
  */
 QDict *qtest_vqmp_fds(QTestState *s, int *fds, size_t fds_num,
                       const char *fmt, va_list ap)
-    GCC_FMT_ATTR(4, 0);
+    G_GNUC_PRINTF(4, 0);
 
 /**
  * qtest_vqmp:
@@ -178,7 +178,7 @@
  * Sends a QMP message to QEMU and returns the response.
  */
 QDict *qtest_vqmp(QTestState *s, const char *fmt, va_list ap)
-    GCC_FMT_ATTR(2, 0);
+    G_GNUC_PRINTF(2, 0);
 
 /**
  * qtest_qmp_vsend_fds:
@@ -194,7 +194,7 @@
  */
 void qtest_qmp_vsend_fds(QTestState *s, int *fds, size_t fds_num,
                          const char *fmt, va_list ap)
-    GCC_FMT_ATTR(4, 0);
+    G_GNUC_PRINTF(4, 0);
 
 /**
  * qtest_qmp_vsend:
@@ -207,7 +207,7 @@
  * Sends a QMP message to QEMU and leaves the response in the stream.
  */
 void qtest_qmp_vsend(QTestState *s, const char *fmt, va_list ap)
-    GCC_FMT_ATTR(2, 0);
+    G_GNUC_PRINTF(2, 0);
 
 /**
  * qtest_qmp_receive_dict:
@@ -269,7 +269,7 @@
  *
  * Returns: the command's output.  The caller should g_free() it.
  */
-char *qtest_hmp(QTestState *s, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
+char *qtest_hmp(QTestState *s, const char *fmt, ...) G_GNUC_PRINTF(2, 3);
 
 /**
  * qtest_hmpv:
@@ -283,7 +283,7 @@
  * Returns: the command's output.  The caller should g_free() it.
  */
 char *qtest_vhmp(QTestState *s, const char *fmt, va_list ap)
-    GCC_FMT_ATTR(2, 0);
+    G_GNUC_PRINTF(2, 0);
 
 void qtest_module_load(QTestState *s, const char *prefix, const char *libname);
 
@@ -688,17 +688,17 @@
  * the response.
  */
 void qtest_qmp_assert_success(QTestState *qts, const char *fmt, ...)
-    GCC_FMT_ATTR(2, 3);
+    G_GNUC_PRINTF(2, 3);
 
 QDict *qmp_fd_receive(int fd);
 void qmp_fd_vsend_fds(int fd, int *fds, size_t fds_num,
-                      const char *fmt, va_list ap) GCC_FMT_ATTR(4, 0);
-void qmp_fd_vsend(int fd, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
-void qmp_fd_send(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
-void qmp_fd_send_raw(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
-void qmp_fd_vsend_raw(int fd, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
-QDict *qmp_fdv(int fd, const char *fmt, va_list ap) GCC_FMT_ATTR(2, 0);
-QDict *qmp_fd(int fd, const char *fmt, ...) GCC_FMT_ATTR(2, 3);
+                      const char *fmt, va_list ap) G_GNUC_PRINTF(4, 0);
+void qmp_fd_vsend(int fd, const char *fmt, va_list ap) G_GNUC_PRINTF(2, 0);
+void qmp_fd_send(int fd, const char *fmt, ...) G_GNUC_PRINTF(2, 3);
+void qmp_fd_send_raw(int fd, const char *fmt, ...) G_GNUC_PRINTF(2, 3);
+void qmp_fd_vsend_raw(int fd, const char *fmt, va_list ap) G_GNUC_PRINTF(2, 0);
+QDict *qmp_fdv(int fd, const char *fmt, va_list ap) G_GNUC_PRINTF(2, 0);
+QDict *qmp_fd(int fd, const char *fmt, ...) G_GNUC_PRINTF(2, 3);
 
 /**
  * qtest_cb_for_every_machine:
@@ -750,7 +750,7 @@
  * Generic hot-plugging test via the device_add QMP command.
  */
 void qtest_qmp_device_add(QTestState *qts, const char *driver, const char *id,
-                          const char *fmt, ...) GCC_FMT_ATTR(4, 5);
+                          const char *fmt, ...) G_GNUC_PRINTF(4, 5);
 
 /**
  * qtest_qmp_add_client:
diff --git a/tests/qtest/libqtest-single.h b/tests/qtest/libqtest-single.h
index 0d7f568..b0838b9 100644
--- a/tests/qtest/libqtest-single.h
+++ b/tests/qtest/libqtest-single.h
@@ -52,7 +52,7 @@
  *
  * Sends a QMP message to QEMU and returns the response.
  */
-GCC_FMT_ATTR(1, 2)
+G_GNUC_PRINTF(1, 2)
 static inline QDict *qmp(const char *fmt, ...)
 {
     va_list ap;
diff --git a/tests/qtest/libqtest.c b/tests/qtest/libqtest.c
index 41f4da4..dc5566c 100644
--- a/tests/qtest/libqtest.c
+++ b/tests/qtest/libqtest.c
@@ -94,8 +94,8 @@
     struct timeval timeout = { .tv_sec = SOCKET_TIMEOUT,
                                .tv_usec = 0 };
 
-    if (qemu_setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO,
-                        (void *)&timeout, sizeof(timeout))) {
+    if (setsockopt(sock, SOL_SOCKET, SO_RCVTIMEO,
+                   (void *)&timeout, sizeof(timeout))) {
         fprintf(stderr, "%s failed to set SO_RCVTIMEO: %s\n",
                 __func__, strerror(errno));
         close(sock);
@@ -437,7 +437,7 @@
     socket_send(s->fd, buf, strlen(buf));
 }
 
-static void GCC_FMT_ATTR(2, 3) qtest_sendf(QTestState *s, const char *fmt, ...)
+static void G_GNUC_PRINTF(2, 3) qtest_sendf(QTestState *s, const char *fmt, ...)
 {
     va_list ap;
 
diff --git a/tests/qtest/migration-helpers.h b/tests/qtest/migration-helpers.h
index d63bba9..555adaf 100644
--- a/tests/qtest/migration-helpers.h
+++ b/tests/qtest/migration-helpers.h
@@ -16,13 +16,13 @@
 
 extern bool got_stop;
 
-GCC_FMT_ATTR(3, 4)
+G_GNUC_PRINTF(3, 4)
 QDict *wait_command_fd(QTestState *who, int fd, const char *command, ...);
 
-GCC_FMT_ATTR(2, 3)
+G_GNUC_PRINTF(2, 3)
 QDict *wait_command(QTestState *who, const char *command, ...);
 
-GCC_FMT_ATTR(3, 4)
+G_GNUC_PRINTF(3, 4)
 void migrate_qmp(QTestState *who, const char *uri, const char *fmt, ...);
 
 QDict *migrate_query(QTestState *who);
diff --git a/tests/qtest/npcm7xx_emc-test.c b/tests/qtest/npcm7xx_emc-test.c
index 9eec71d..7c435ac 100644
--- a/tests/qtest/npcm7xx_emc-test.c
+++ b/tests/qtest/npcm7xx_emc-test.c
@@ -521,12 +521,12 @@
 
     /* Check data sent to the backend. */
     recv_len = ~0;
-    ret = qemu_recv(fd, &recv_len, sizeof(recv_len), MSG_DONTWAIT);
+    ret = recv(fd, &recv_len, sizeof(recv_len), MSG_DONTWAIT);
     g_assert_cmpint(ret, == , sizeof(recv_len));
 
     g_assert(wait_socket_readable(fd));
     memset(buffer, 0xff, sizeof(buffer));
-    ret = qemu_recv(fd, buffer, test_size, MSG_DONTWAIT);
+    ret = recv(fd, buffer, test_size, MSG_DONTWAIT);
     g_assert_cmpmem(buffer, ret, test_data, test_size);
 }
 
diff --git a/tests/qtest/test-filter-mirror.c b/tests/qtest/test-filter-mirror.c
index 95367d1..da4f94d 100644
--- a/tests/qtest/test-filter-mirror.c
+++ b/tests/qtest/test-filter-mirror.c
@@ -58,13 +58,13 @@
     g_assert_cmpint(ret, ==, sizeof(send_buf) + sizeof(size));
     close(send_sock[0]);
 
-    ret = qemu_recv(recv_sock[0], &len, sizeof(len), 0);
+    ret = recv(recv_sock[0], &len, sizeof(len), 0);
     g_assert_cmpint(ret, ==, sizeof(len));
     len = ntohl(len);
 
     g_assert_cmpint(len, ==, sizeof(send_buf));
     recv_buf = g_malloc(len);
-    ret = qemu_recv(recv_sock[0], recv_buf, len, 0);
+    ret = recv(recv_sock[0], recv_buf, len, 0);
     g_assert_cmpstr(recv_buf, ==, send_buf);
 
     g_free(recv_buf);
diff --git a/tests/qtest/test-filter-redirector.c b/tests/qtest/test-filter-redirector.c
index 4f3f59c..fc16cf7 100644
--- a/tests/qtest/test-filter-redirector.c
+++ b/tests/qtest/test-filter-redirector.c
@@ -115,13 +115,13 @@
     g_assert_cmpint(ret, ==, sizeof(send_buf) + sizeof(size));
     close(backend_sock[0]);
 
-    ret = qemu_recv(recv_sock, &len, sizeof(len), 0);
+    ret = recv(recv_sock, &len, sizeof(len), 0);
     g_assert_cmpint(ret, ==, sizeof(len));
     len = ntohl(len);
 
     g_assert_cmpint(len, ==, sizeof(send_buf));
     recv_buf = g_malloc(len);
-    ret = qemu_recv(recv_sock, recv_buf, len, 0);
+    ret = recv(recv_sock, recv_buf, len, 0);
     g_assert_cmpstr(recv_buf, ==, send_buf);
 
     g_free(recv_buf);
@@ -182,13 +182,13 @@
     ret = iov_send(send_sock, iov, 2, 0, sizeof(size) + sizeof(send_buf));
     g_assert_cmpint(ret, ==, sizeof(send_buf) + sizeof(size));
 
-    ret = qemu_recv(backend_sock[0], &len, sizeof(len), 0);
+    ret = recv(backend_sock[0], &len, sizeof(len), 0);
     g_assert_cmpint(ret, ==, sizeof(len));
     len = ntohl(len);
 
     g_assert_cmpint(len, ==, sizeof(send_buf));
     recv_buf = g_malloc(len);
-    ret = qemu_recv(backend_sock[0], recv_buf, len, 0);
+    ret = recv(backend_sock[0], recv_buf, len, 0);
     g_assert_cmpstr(recv_buf, ==, send_buf);
 
     close(send_sock);
diff --git a/tests/qtest/virtio-net-test.c b/tests/qtest/virtio-net-test.c
index 8bf74e5..a713958 100644
--- a/tests/qtest/virtio-net-test.c
+++ b/tests/qtest/virtio-net-test.c
@@ -87,11 +87,11 @@
                            QVIRTIO_NET_TIMEOUT_US);
     guest_free(alloc, req_addr);
 
-    ret = qemu_recv(socket, &len, sizeof(len), 0);
+    ret = recv(socket, &len, sizeof(len), 0);
     g_assert_cmpint(ret, ==, sizeof(len));
     len = ntohl(len);
 
-    ret = qemu_recv(socket, buffer, len, 0);
+    ret = recv(socket, buffer, len, 0);
     g_assert_cmpstr(buffer, ==, "TEST");
 }
 
@@ -202,11 +202,11 @@
     qobject_unref(rsp);
 
     /* Catch the first packet and make sure it's a RARP */
-    ret = qemu_recv(sv[0], &len, sizeof(len), 0);
+    ret = recv(sv[0], &len, sizeof(len), 0);
     g_assert_cmpint(ret, ==,  sizeof(len));
     len = ntohl(len);
 
-    ret = qemu_recv(sv[0], buffer, len, 0);
+    ret = recv(sv[0], buffer, len, 0);
     g_assert_cmpint(*proto, ==, htons(ETH_P_RARP));
 
     /*
@@ -230,7 +230,7 @@
 
     while (true) {
         int saved_err;
-        ret = qemu_recv(sv[0], buffer, 60, MSG_DONTWAIT);
+        ret = recv(sv[0], buffer, 60, MSG_DONTWAIT);
         saved_err = errno;
         now = g_get_monotonic_time();
         g_assert_cmpint(now, <, deadline);
diff --git a/tests/unit/check-qobject.c b/tests/unit/check-qobject.c
index c1713d1..c3d50e9 100644
--- a/tests/unit/check-qobject.c
+++ b/tests/unit/check-qobject.c
@@ -8,7 +8,6 @@
  */
 
 #include "qemu/osdep.h"
-#include "block/qdict.h"
 #include "qapi/error.h"
 #include "qapi/qmp/qbool.h"
 #include "qapi/qmp/qdict.h"
diff --git a/tests/unit/socket-helpers.c b/tests/unit/socket-helpers.c
index f704fd1..ef31664 100644
--- a/tests/unit/socket-helpers.c
+++ b/tests/unit/socket-helpers.c
@@ -105,7 +105,7 @@
     }
 
     if (check_soerr) {
-        if (qemu_getsockopt(cfd, SOL_SOCKET, SO_ERROR, &soerr, &soerrlen) < 0) {
+        if (getsockopt(cfd, SOL_SOCKET, SO_ERROR, &soerr, &soerrlen) < 0) {
             goto cleanup;
         }
         if (soerr) {
diff --git a/tests/unit/test-qobject-input-visitor.c b/tests/unit/test-qobject-input-visitor.c
index 6f59a7f..22538f8 100644
--- a/tests/unit/test-qobject-input-visitor.c
+++ b/tests/unit/test-qobject-input-visitor.c
@@ -64,7 +64,7 @@
     return data->qiv;
 }
 
-static GCC_FMT_ATTR(3, 4)
+static G_GNUC_PRINTF(3, 4)
 Visitor *visitor_input_test_init_full(TestInputVisitorData *data,
                                       bool keyval,
                                       const char *json_string, ...)
@@ -79,7 +79,7 @@
     return v;
 }
 
-static GCC_FMT_ATTR(2, 3)
+static G_GNUC_PRINTF(2, 3)
 Visitor *visitor_input_test_init(TestInputVisitorData *data,
                                  const char *json_string, ...)
 {
diff --git a/trace/control.c b/trace/control.c
index d5b68e8..6c77cc6 100644
--- a/trace/control.c
+++ b/trace/control.c
@@ -161,7 +161,7 @@
     fprintf(f, "This list of names of trace points may be incomplete "
                "when using the DTrace/SystemTap backends.\n"
                "Run 'qemu-trace-stap list %s' to print the full list.\n",
-            error_get_progname());
+            g_get_prgname());
 #endif
 }
 
diff --git a/util/cutils.c b/util/cutils.c
index c9b91e7..0d475ec 100644
--- a/util/cutils.c
+++ b/util/cutils.c
@@ -27,9 +27,6 @@
 #include <math.h>
 
 #include "qemu-common.h"
-#include "qemu/sockets.h"
-#include "qemu/iov.h"
-#include "net/net.h"
 #include "qemu/ctype.h"
 #include "qemu/cutils.h"
 #include "qemu/error-report.h"
@@ -939,19 +936,6 @@
 }
 
 /*
- * Helper to print ethernet mac address
- */
-const char *qemu_ether_ntoa(const MACAddr *mac)
-{
-    static char ret[18];
-
-    snprintf(ret, sizeof(ret), "%02x:%02x:%02x:%02x:%02x:%02x",
-             mac->a[0], mac->a[1], mac->a[2], mac->a[3], mac->a[4], mac->a[5]);
-
-    return ret;
-}
-
-/*
  * Return human readable string for size @val.
  * @val can be anything that uint64_t allows (no more than "16 EiB").
  * Use IEC binary units like KiB, MiB, and so forth.
diff --git a/util/osdep.c b/util/osdep.c
index 394804d..84575ec 100644
--- a/util/osdep.c
+++ b/util/osdep.c
@@ -39,7 +39,7 @@
 int socket_set_cork(int fd, int v)
 {
 #if defined(SOL_TCP) && defined(TCP_CORK)
-    return qemu_setsockopt(fd, SOL_TCP, TCP_CORK, &v, sizeof(v));
+    return setsockopt(fd, SOL_TCP, TCP_CORK, &v, sizeof(v));
 #else
     return 0;
 #endif
@@ -48,7 +48,7 @@
 int socket_set_nodelay(int fd)
 {
     int v = 1;
-    return qemu_setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &v, sizeof(v));
+    return setsockopt(fd, IPPROTO_TCP, TCP_NODELAY, &v, sizeof(v));
 }
 
 int qemu_madvise(void *addr, size_t len, int advice)
diff --git a/util/qemu-error.c b/util/qemu-error.c
index 52a9e01..7769aee 100644
--- a/util/qemu-error.c
+++ b/util/qemu-error.c
@@ -146,22 +146,6 @@
     }
 }
 
-static const char *progname;
-
-/*
- * Set the program name for error_print_loc().
- */
-static void error_set_progname(const char *argv0)
-{
-    const char *p = strrchr(argv0, '/');
-    progname = p ? p + 1 : argv0;
-}
-
-const char *error_get_progname(void)
-{
-    return progname;
-}
-
 /*
  * Print current location to current monitor if we have one, else to stderr.
  */
@@ -171,8 +155,8 @@
     int i;
     const char *const *argp;
 
-    if (!monitor_cur() && progname) {
-        fprintf(stderr, "%s:", progname);
+    if (!monitor_cur() && g_get_prgname()) {
+        fprintf(stderr, "%s:", g_get_prgname());
         sep = " ";
     }
     switch (cur_loc->kind) {
@@ -400,8 +384,10 @@
 
 void error_init(const char *argv0)
 {
+    const char *p = strrchr(argv0, '/');
+
     /* Set the program name for error_print_loc(). */
-    error_set_progname(argv0);
+    g_set_prgname(p ? p + 1 : argv0);
 
     /*
      * This sets up glib logging so libraries using it also print their logs
diff --git a/util/qemu-sockets.c b/util/qemu-sockets.c
index 0585e7a..e8f45a7 100644
--- a/util/qemu-sockets.c
+++ b/util/qemu-sockets.c
@@ -97,7 +97,7 @@
 {
     int optval;
     socklen_t optlen = sizeof(optval);
-    return !qemu_getsockopt(fd, SOL_SOCKET, SO_TYPE, &optval, &optlen);
+    return !getsockopt(fd, SOL_SOCKET, SO_TYPE, &optval, &optlen);
 }
 
 
@@ -185,8 +185,8 @@
 
  rebind:
     if (e->ai_family == PF_INET6) {
-        qemu_setsockopt(socket, IPPROTO_IPV6, IPV6_V6ONLY, &v6only,
-                        sizeof(v6only));
+        setsockopt(socket, IPPROTO_IPV6, IPV6_V6ONLY, &v6only,
+                   sizeof(v6only));
     }
 
     stat = bind(socket, e->ai_addr, e->ai_addrlen);
@@ -483,8 +483,8 @@
 
     if (saddr->keep_alive) {
         int val = 1;
-        int ret = qemu_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
-                                  &val, sizeof(val));
+        int ret = setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,
+                             &val, sizeof(val));
 
         if (ret < 0) {
             error_setg_errno(errp, errno, "Unable to set KEEPALIVE");