Merge tag 'misc-pull-request' of gitlab.com:marcandre.lureau/qemu into staging

Misc cleanups

# -----BEGIN PGP SIGNATURE-----
#
# iQJQBAABCAA6FiEEh6m9kz+HxgbSdvYt2ujhCXWWnOUFAmJhYIscHG1hcmNhbmRy
# ZS5sdXJlYXVAcmVkaGF0LmNvbQAKCRDa6OEJdZac5W0jD/43n8PL2cv42lq6OaIS
# OYN9vfW9xgA9THZiUH4xEHYreZh+KofmY1PbJn1n7q+v6DecBiqM4fZr1LY8X3PM
# xRUH0l4gjXwYwX2cSSo5UTZ/PF248Uoo3tUE3vgMFkYghHMjKcTtaSkYEPGHf2nR
# t3m1qLG9w9YPhVg7PNCntjUKi+w2TtcrRVzP7V7XyFc1HrAoT0ys6KaBBrXMbcjz
# SxTRbcwSq+6aPjQIn0RWp8Hp1HkdNjegB98dkyqRLlVaugHZWPYDXDQTgVziQlX8
# dU8YrlvTOtDWwsNP6awWnW6/IjKuJjGR0wT3QKwi8JAZ0YV3egwEKoQRUAyHtnn2
# FkSMYgmJcF0ai1aIJFAx+3PIzCfS49lKXA0t303DtY3hRR9JKGMwaV2do9Wm2irt
# o7T1lKKN7R7R8Q3U4OsatYMYm7KYL07NEDiQCPloGvCo27ezkAWCKXAw1mRUkxKF
# jKwJPcnOUq21Jp6tpjsR8ifSw70jBSEWQSGqhXnDhZhx2C2/Qqkg2I8DagLiPger
# kYxbQ13LTG0R25YHa1r3UmzuD+HpZOM8XoLJc5yun/1UrwyR9ghHrOoxkSnRT2Ks
# QFn//xQ2SzUnGBNzNSMfTk8vzludxSWfFnOjkviF6E2Elnw3p8f/kOQRAft5dMBY
# ftgoy2yLone3HpKfjuOriicIzg==
# =0GLo
# -----END PGP SIGNATURE-----
# gpg: Signature made Thu 21 Apr 2022 06:47:55 AM PDT
# gpg:                using RSA key 87A9BD933F87C606D276F62DDAE8E10975969CE5
# gpg:                issuer "marcandre.lureau@redhat.com"
# gpg: Good signature from "Marc-André Lureau <marcandre.lureau@redhat.com>" [full]
# gpg:                 aka "Marc-André Lureau <marcandre.lureau@gmail.com>" [full]

* tag 'misc-pull-request' of gitlab.com:marcandre.lureau/qemu: (30 commits)
  qga: use fixed-length and GDateTime for log timestamp
  tests/fuzz: fix warning
  qga: remove need for QEMU atomic.h
  util: replace qemu_get_local_state_pathname()
  util: use qemu_create() in qemu_write_pidfile()
  util: use qemu_write_full() in qemu_write_pidfile()
  util: simplify write in signal handler
  qtest: simplify socket_send()
  qga: move qga_get_host_name()
  Move error_printf_unless_qmp() with monitor unit
  tests: run-time skip test-qga if TSAN is enabled
  compiler.h: add QEMU_SANITIZE_{ADDRESS,THREAD}
  tests: remove block/qdict checks from check-qobject.c
  include: move qdict_{crumple,flatten} declarations
  include: add qemu/keyval.h
  include: move qemu_fdatasync() to osdep
  include: move qemu_msync() to osdep
  compiler.h: replace QEMU_NORETURN with G_NORETURN
  osdep.h: move qemu_build_not_reached()
  doc/style: CLang -> Clang
  ...

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

20 files changed, 92 insertions, 77 deletions

diff --git a/include/block/qdict.h b/include/block/qdict.h
index ced2acfb92..b4c28d96a9 100644
--- a/include/block/qdict.h
+++ b/include/block/qdict.h
@@ -12,6 +12,9 @@
 
 #include "qapi/qmp/qdict.h"
 
+QObject *qdict_crumple(const QDict *src, Error **errp);
+void qdict_flatten(QDict *qdict);
+
 void qdict_copy_default(QDict *dst, QDict *src, const char *key);
 void qdict_set_default_str(QDict *dst, const char *key, const char *val);
 
diff --git a/include/exec/exec-all.h b/include/exec/exec-all.h
index d2cb0981f4..311e5fb422 100644
--- a/include/exec/exec-all.h
+++ b/include/exec/exec-all.h
@@ -58,10 +58,10 @@ void restore_state_to_opc(CPUArchState *env, TranslationBlock *tb,
  */
 bool cpu_restore_state(CPUState *cpu, uintptr_t searched_pc, bool will_exit);
 
-void QEMU_NORETURN cpu_loop_exit_noexc(CPUState *cpu);
-void QEMU_NORETURN cpu_loop_exit(CPUState *cpu);
-void QEMU_NORETURN cpu_loop_exit_restore(CPUState *cpu, uintptr_t pc);
-void QEMU_NORETURN cpu_loop_exit_atomic(CPUState *cpu, uintptr_t pc);
+G_NORETURN void cpu_loop_exit_noexc(CPUState *cpu);
+G_NORETURN void cpu_loop_exit(CPUState *cpu);
+G_NORETURN void cpu_loop_exit_restore(CPUState *cpu, uintptr_t pc);
+G_NORETURN void cpu_loop_exit_atomic(CPUState *cpu, uintptr_t pc);
 
 /**
  * cpu_loop_exit_requested:
@@ -669,9 +669,9 @@ bool handle_sigsegv_accerr_write(CPUState *cpu, sigset_t *old_set,
  * Use the TCGCPUOps hook to record cpu state, do guest operating system
  * specific things to raise SIGSEGV, and jump to the main cpu loop.
  */
-void QEMU_NORETURN cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
-                                         MMUAccessType access_type,
-                                         bool maperr, uintptr_t ra);
+G_NORETURN void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
+                                      MMUAccessType access_type,
+                                      bool maperr, uintptr_t ra);
 
 /**
  * cpu_loop_exit_sigbus:
@@ -683,9 +683,9 @@ void QEMU_NORETURN cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
  * Use the TCGCPUOps hook to record cpu state, do guest operating system
  * specific things to raise SIGBUS, and jump to the main cpu loop.
  */
-void QEMU_NORETURN cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr,
-                                        MMUAccessType access_type,
-                                        uintptr_t ra);
+G_NORETURN void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr,
+                                     MMUAccessType access_type,
+                                     uintptr_t ra);
 
 #else
 static inline void mmap_lock(void) {}
diff --git a/include/exec/helper-head.h b/include/exec/helper-head.h
index 734af067fe..e242fed46e 100644
--- a/include/exec/helper-head.h
+++ b/include/exec/helper-head.h
@@ -46,7 +46,7 @@
 #define dh_ctype_ptr void *
 #define dh_ctype_cptr const void *
 #define dh_ctype_void void
-#define dh_ctype_noreturn void QEMU_NORETURN
+#define dh_ctype_noreturn G_NORETURN void
 #define dh_ctype(t) dh_ctype_##t
 
 #ifdef NEED_CPU_H
diff --git a/include/glib-compat.h b/include/glib-compat.h
index dc14d3ec0d..43a562974d 100644
--- a/include/glib-compat.h
+++ b/include/glib-compat.h
@@ -145,16 +145,10 @@ qemu_g_test_slow(void)
 #define g_test_thorough() qemu_g_test_slow()
 #define g_test_quick() (!qemu_g_test_slow())
 
-#if GLIB_CHECK_VERSION(2,62,0)
-static inline gchar *
-g_date_time_format_iso8601_compat(GDateTime *datetime)
-{
-    return g_date_time_format_iso8601(datetime);
-}
+#pragma GCC diagnostic pop
 
-#define g_date_time_format_iso8601 g_date_time_format_iso8601_compat
+#ifndef G_NORETURN
+#define G_NORETURN G_GNUC_NORETURN
 #endif
 
-#pragma GCC diagnostic pop
-
 #endif
diff --git a/include/hw/core/cpu.h b/include/hw/core/cpu.h
index 466bed6047..996f94059f 100644
--- a/include/hw/core/cpu.h
+++ b/include/hw/core/cpu.h
@@ -1015,7 +1015,7 @@ int cpu_watchpoint_address_matches(CPUState *cpu, vaddr addr, vaddr len);
  */
 AddressSpace *cpu_get_address_space(CPUState *cpu, int asidx);
 
-void QEMU_NORETURN cpu_abort(CPUState *cpu, const char *fmt, ...)
+G_NORETURN void cpu_abort(CPUState *cpu, const char *fmt, ...)
     G_GNUC_PRINTF(2, 3);
 
 /* $(top_srcdir)/cpu.c */
diff --git a/include/hw/core/tcg-cpu-ops.h b/include/hw/core/tcg-cpu-ops.h
index e13898553a..fbe6b76764 100644
--- a/include/hw/core/tcg-cpu-ops.h
+++ b/include/hw/core/tcg-cpu-ops.h
@@ -78,9 +78,9 @@ struct TCGCPUOps {
      * @do_unaligned_access: Callback for unaligned access handling
      * The callback must exit via raising an exception.
      */
-    void (*do_unaligned_access)(CPUState *cpu, vaddr addr,
-                                MMUAccessType access_type,
-                                int mmu_idx, uintptr_t retaddr) QEMU_NORETURN;
+    G_NORETURN void (*do_unaligned_access)(CPUState *cpu, vaddr addr,
+                                           MMUAccessType access_type,
+                                           int mmu_idx, uintptr_t retaddr);
 
     /**
      * @adjust_watchpoint_address: hack for cpu_check_watchpoint used by ARM
diff --git a/include/hw/hw.h b/include/hw/hw.h
index 34377f5309..045c1c8b09 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, ...) G_GNUC_PRINTF(1, 2);
+G_NORETURN void hw_error(const char *fmt, ...) G_GNUC_PRINTF(1, 2);
 
 #endif
diff --git a/include/monitor/monitor.h b/include/monitor/monitor.h
index cc4cc6c6ad..a4b40e8391 100644
--- a/include/monitor/monitor.h
+++ b/include/monitor/monitor.h
@@ -56,4 +56,7 @@ void monitor_register_hmp(const char *name, bool info,
 void monitor_register_hmp_info_hrt(const char *name,
                                    HumanReadableText *(*handler)(Error **errp));
 
+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);
+
 #endif /* MONITOR_H */
diff --git a/include/qapi/qmp/qdict.h b/include/qapi/qmp/qdict.h
index 882d950bde..82e90fc072 100644
--- a/include/qapi/qmp/qdict.h
+++ b/include/qapi/qmp/qdict.h
@@ -68,7 +68,4 @@ const char *qdict_get_try_str(const QDict *qdict, const char *key);
 
 QDict *qdict_clone_shallow(const QDict *src);
 
-QObject *qdict_crumple(const QDict *src, Error **errp);
-void qdict_flatten(QDict *qdict);
-
 #endif /* QDICT_H */
diff --git a/include/qemu-main.h b/include/qemu-main.h
new file mode 100644
index 0000000000..6a3e90d0ad
--- /dev/null
+++ b/include/qemu-main.h
@@ -0,0 +1,10 @@
+/*
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef QEMU_MAIN_H
+#define QEMU_MAIN_H
+
+int qemu_main(int argc, char **argv, char **envp);
+
+#endif /* QEMU_MAIN_H */
diff --git a/include/qemu/compiler.h b/include/qemu/compiler.h
index d9359859d4..f20a76e4a2 100644
--- a/include/qemu/compiler.h
+++ b/include/qemu/compiler.h
@@ -22,8 +22,6 @@
 #define QEMU_EXTERN_C extern
 #endif
 
-#define QEMU_NORETURN __attribute__ ((__noreturn__))
-
 #if defined(_WIN32) && (defined(__x86_64__) || defined(__i386__))
 # define QEMU_PACKED __attribute__((gcc_struct, packed))
 #else
@@ -108,6 +106,14 @@
 #define __has_attribute(x) 0 /* compatibility with older GCC */
 #endif
 
+#if defined(__SANITIZE_ADDRESS__) || __has_feature(address_sanitizer)
+# define QEMU_SANITIZE_ADDRESS 1
+#endif
+
+#if defined(__SANITIZE_THREAD__) || __has_feature(thread_sanitizer)
+# define QEMU_SANITIZE_THREAD 1
+#endif
+
 /*
  * GCC doesn't provide __has_attribute() until GCC 5, but we know all the GCC
  * versions we support have the "flatten" attribute. Clang may not have the
@@ -157,22 +163,6 @@
 #endif
 
 /**
- * qemu_build_not_reached()
- *
- * The compiler, during optimization, is expected to prove that a call
- * to this function cannot be reached and remove it.  If the compiler
- * supports QEMU_ERROR, this will be reported at compile time; otherwise
- * this will be reported at link time due to the missing symbol.
- */
-extern void QEMU_NORETURN QEMU_ERROR("code path is reachable")
-    qemu_build_not_reached_always(void);
-#if defined(__OPTIMIZE__) && !defined(__NO_INLINE__)
-#define qemu_build_not_reached()  qemu_build_not_reached_always()
-#else
-#define qemu_build_not_reached()  g_assert_not_reached()
-#endif
-
-/**
  * In most cases, normal "fallthrough" comments are good enough for
  * switch-case statements, but sometimes the compiler has problems
  * with those. In that case you can use QEMU_FALLTHROUGH instead.
diff --git a/include/qemu/cutils.h b/include/qemu/cutils.h
index e873bad366..5c6572d444 100644
--- a/include/qemu/cutils.h
+++ b/include/qemu/cutils.h
@@ -129,8 +129,6 @@ static inline const char *qemu_strchrnul(const char *s, int c)
 const char *qemu_strchrnul(const char *s, int c);
 #endif
 time_t mktimegm(struct tm *tm);
-int qemu_fdatasync(int fd);
-int qemu_msync(void *addr, size_t length, int fd);
 int qemu_parse_fd(const char *param);
 int qemu_strtoi(const char *nptr, const char **endptr, int base,
                 int *result);
diff --git a/include/qemu/error-report.h b/include/qemu/error-report.h
index b6f45e69d7..3ae2357fda 100644
--- a/include/qemu/error-report.h
+++ b/include/qemu/error-report.h
@@ -32,8 +32,6 @@ void loc_set_file(const char *fname, int lno);
 
 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) G_GNUC_PRINTF(1, 0);
 void warn_vreport(const char *fmt, va_list ap) G_GNUC_PRINTF(1, 0);
diff --git a/include/qemu-common.h b/include/qemu/help-texts.h
index a923ed28d5..ba32cc8b1f 100644
--- a/include/qemu-common.h
+++ b/include/qemu/help-texts.h
@@ -10,9 +10,4 @@
     "See <https://qemu.org/contribute/report-a-bug> for how to report bugs.\n" \
     "More information on the QEMU project at <https://qemu.org>."
 
-/* main function, renamed */
-#if defined(CONFIG_COCOA)
-int qemu_main(int argc, char **argv, char **envp);
-#endif
-
 #endif
diff --git a/include/qemu/keyval.h b/include/qemu/keyval.h
new file mode 100644
index 0000000000..2d263286d7
--- /dev/null
+++ b/include/qemu/keyval.h
@@ -0,0 +1,14 @@
+/*
+ * This work is licensed under the terms of the GNU GPL, version 2 or later.
+ * See the COPYING file in the top-level directory.
+ */
+#ifndef KEYVAL_H_
+#define KEYVAL_H_
+
+QDict *keyval_parse_into(QDict *qdict, const char *params, const char *implied_key,
+                         bool *p_help, Error **errp);
+QDict *keyval_parse(const char *params, const char *implied_key,
+                    bool *help, Error **errp);
+void keyval_merge(QDict *old, const QDict *new, Error **errp);
+
+#endif /* KEYVAL_H_ */
diff --git a/include/qemu/option.h b/include/qemu/option.h
index bbd86e1c4e..b349828782 100644
--- a/include/qemu/option.h
+++ b/include/qemu/option.h
@@ -144,12 +144,6 @@ void qemu_opts_print_help(QemuOptsList *list, bool print_caption);
 void qemu_opts_free(QemuOptsList *list);
 QemuOptsList *qemu_opts_append(QemuOptsList *dst, QemuOptsList *list);
 
-QDict *keyval_parse_into(QDict *qdict, const char *params, const char *implied_key,
-                         bool *p_help, Error **errp);
-QDict *keyval_parse(const char *params, const char *implied_key,
-                    bool *help, Error **errp);
-void keyval_merge(QDict *old, const QDict *new, Error **errp);
-
 G_DEFINE_AUTOPTR_CLEANUP_FUNC(QemuOpts, qemu_opts_del)
 
 #endif
diff --git a/include/qemu/osdep.h b/include/qemu/osdep.h
index a733294710..baaa23c156 100644
--- a/include/qemu/osdep.h
+++ b/include/qemu/osdep.h
@@ -169,6 +169,23 @@ extern "C" {
 #define assert(x)  g_assert(x)
 #endif
 
+/**
+ * qemu_build_not_reached()
+ *
+ * The compiler, during optimization, is expected to prove that a call
+ * to this function cannot be reached and remove it.  If the compiler
+ * supports QEMU_ERROR, this will be reported at compile time; otherwise
+ * this will be reported at link time due to the missing symbol.
+ */
+extern G_NORETURN
+void QEMU_ERROR("code path is reachable")
+    qemu_build_not_reached_always(void);
+#if defined(__OPTIMIZE__) && !defined(__NO_INLINE__)
+#define qemu_build_not_reached()  qemu_build_not_reached_always()
+#else
+#define qemu_build_not_reached()  g_assert_not_reached()
+#endif
+
 /*
  * According to waitpid man page:
  * WCOREDUMP
@@ -539,16 +556,13 @@ void qemu_set_cloexec(int fd);
 void fips_set_state(bool requested);
 bool fips_get_state(void);
 
-/* Return a dynamically allocated pathname denoting a file or directory that is
- * appropriate for storing local state.
- *
- * @relative_pathname need not start with a directory separator; one will be
- * added automatically.
+/* Return a dynamically allocated directory path that is appropriate for storing
+ * local state.
  *
  * The caller is responsible for releasing the value returned with g_free()
  * after use.
  */
-char *qemu_get_local_state_pathname(const char *relative_pathname);
+char *qemu_get_local_state_dir(void);
 
 /* Find program directory, and save it for later usage with
  * qemu_get_exec_dir().
@@ -624,15 +638,20 @@ static inline void qemu_reset_optind(void)
 #endif
 }
 
+int qemu_fdatasync(int fd);
+
 /**
- * qemu_get_host_name:
- * @errp: Error object
- *
- * Operating system agnostic way of querying host name.
+ * Sync changes made to the memory mapped file back to the backing
+ * storage. For POSIX compliant systems this will fallback
+ * to regular msync call. Otherwise it will trigger whole file sync
+ * (including the metadata case there is no support to skip that otherwise)
  *
- * Returns allocated hostname (caller should free), NULL on failure.
+ * @addr   - start of the memory area to be synced
+ * @length - length of the are to be synced
+ * @fd     - file descriptor for the file to be synced
+ *           (mandatory only for POSIX non-compliant systems)
  */
-char *qemu_get_host_name(Error **errp);
+int qemu_msync(void *addr, size_t length, int fd);
 
 /**
  * qemu_get_host_physmem:
diff --git a/include/qemu/thread.h b/include/qemu/thread.h
index 460568d67d..af19f2b3fc 100644
--- a/include/qemu/thread.h
+++ b/include/qemu/thread.h
@@ -188,7 +188,7 @@ void qemu_thread_create(QemuThread *thread, const char *name,
 void *qemu_thread_join(QemuThread *thread);
 void qemu_thread_get_self(QemuThread *thread);
 bool qemu_thread_is_self(QemuThread *thread);
-void qemu_thread_exit(void *retval) QEMU_NORETURN;
+G_NORETURN void qemu_thread_exit(void *retval);
 void qemu_thread_naming(bool enable);
 
 struct Notifier;
diff --git a/include/tcg/tcg-ldst.h b/include/tcg/tcg-ldst.h
index bf40942de4..121a156933 100644
--- a/include/tcg/tcg-ldst.h
+++ b/include/tcg/tcg-ldst.h
@@ -72,8 +72,8 @@ void helper_be_stq_mmu(CPUArchState *env, target_ulong addr, uint64_t val,
 
 #else
 
-void QEMU_NORETURN helper_unaligned_ld(CPUArchState *env, target_ulong addr);
-void QEMU_NORETURN helper_unaligned_st(CPUArchState *env, target_ulong addr);
+G_NORETURN void helper_unaligned_ld(CPUArchState *env, target_ulong addr);
+G_NORETURN void helper_unaligned_st(CPUArchState *env, target_ulong addr);
 
 #endif /* CONFIG_SOFTMMU */
 #endif /* TCG_LDST_H */
diff --git a/include/tcg/tcg.h b/include/tcg/tcg.h
index 61505d20ed..26a70526f1 100644
--- a/include/tcg/tcg.h
+++ b/include/tcg/tcg.h
@@ -398,7 +398,7 @@ typedef TCGv_ptr TCGv_env;
 #define TCG_CALL_NO_WRITE_GLOBALS   0x0002
 /* Helper can be safely suppressed if the return value is not used. */
 #define TCG_CALL_NO_SIDE_EFFECTS    0x0004
-/* Helper is QEMU_NORETURN.  */
+/* Helper is G_NORETURN.  */
 #define TCG_CALL_NO_RETURN          0x0008
 
 /* convenience version of most used call flags */