[PATCH RESEND v6 08/36] multi-process: Add stub functions to facilitate build of multi-process

[elena.ufimtseva@oracle.com]

From: Jagannathan Raman <jag.raman@oracle.com>

Add stub functions that are needed during compile time but not in
runtime.
To avoid duplicate symbol while linking for monitor_get_fd, put in
a separate file.

Signed-off-by: John G Johnson <john.g.johnson@oracle.com>
Signed-off-by: Jagannathan Raman <jag.raman@oracle.com>
Signed-off-by: Elena Ufimtseva <elena.ufimtseva@oracle.com>
---
 MAINTAINERS            |  3 ++
 accel/stubs/kvm-stub.c |  5 +++
 accel/stubs/tcg-stub.c | 98 ++++++++++++++++++++++++++++++++++++++++++
 stubs/Makefile.objs    |  1 +
 stubs/audio.c          | 12 ++++++
 stubs/get-fd.c         | 10 +++++
 stubs/monitor.c        | 53 +++++++++++++++++++++--
 stubs/net-stub.c       | 31 +++++++++++++
 stubs/replay.c         | 14 ++++++
 stubs/vl-stub.c        | 79 ++++++++++++++++++++++++++++++++++
 stubs/vmstate.c        | 19 ++++++++
 stubs/xen-mapcache.c   | 22 ++++++++++
 12 files changed, 344 insertions(+), 3 deletions(-)
 create mode 100644 stubs/audio.c
 create mode 100644 stubs/get-fd.c
 create mode 100644 stubs/net-stub.c
 create mode 100644 stubs/vl-stub.c
 create mode 100644 stubs/xen-mapcache.c

diff --git a/MAINTAINERS b/MAINTAINERS
index 2e700e6e64..c5fba124e4 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -450,6 +450,7 @@ F: hw/pci-host/xen_igd_pt.c
 F: include/hw/block/dataplane/xen*
 F: include/hw/xen/
 F: include/sysemu/xen-mapcache.h
+F: stubs/xen-mapcache.c
 
 Guest CPU Cores (HAXM)
 ---------------------
@@ -1927,6 +1928,7 @@ F: include/hw/audio/
 F: tests/qtest/ac97-test.c
 F: tests/qtest/es1370-test.c
 F: tests/qtest/intel-hda-test.c
+F: stubs/audio.c
 
 Block layer core
 M: Kevin Wolf <kwolf@redhat.com>
@@ -2159,6 +2161,7 @@ F: include/net/
 F: qemu-bridge-helper.c
 T: git https://github.com/jasowang/qemu.git net
 F: qapi/net.json
+F: stubs/net-stub.c
 
 Netmap network backend
 M: Luigi Rizzo <rizzo@iet.unipi.it>
diff --git a/accel/stubs/kvm-stub.c b/accel/stubs/kvm-stub.c
index 82f118d2df..baa6b38da4 100644
--- a/accel/stubs/kvm-stub.c
+++ b/accel/stubs/kvm-stub.c
@@ -31,6 +31,7 @@ bool kvm_allowed;
 bool kvm_readonly_mem_allowed;
 bool kvm_ioeventfd_any_length_allowed;
 bool kvm_msi_use_devid;
+bool kvm_halt_in_kernel_allowed;
 
 int kvm_destroy_vcpu(CPUState *cpu)
 {
@@ -58,6 +59,10 @@ void kvm_cpu_synchronize_post_init(CPUState *cpu)
 {
 }
 
+void kvm_cpu_synchronize_pre_loadvm(CPUState *cpu)
+{
+}
+
 int kvm_cpu_exec(CPUState *cpu)
 {
     abort();
diff --git a/accel/stubs/tcg-stub.c b/accel/stubs/tcg-stub.c
index 677191a69c..2e4e8741fb 100644
--- a/accel/stubs/tcg-stub.c
+++ b/accel/stubs/tcg-stub.c
@@ -11,14 +11,112 @@
  */
 
 #include "qemu/osdep.h"
+#include "qemu-common.h"
 #include "cpu.h"
 #include "tcg/tcg.h"
 #include "exec/exec-all.h"
+#include "translate-all.h"
+#include "exec/ram_addr.h"
+
+bool parallel_cpus;
 
 void tb_flush(CPUState *cpu)
 {
 }
 
+#ifdef CONFIG_MPQEMU
+void tb_check_watchpoint(CPUState *cpu, uintptr_t retaddr)
+{
+}
+
+void tb_invalidate_phys_range(ram_addr_t start, ram_addr_t end)
+{
+}
+
+void tb_invalidate_phys_page_range(tb_page_addr_t start, tb_page_addr_t end)
+{
+}
+
+void tb_invalidate_phys_page_fast(struct page_collection *pages,
+                                  tb_page_addr_t start, int len,
+                                  uintptr_t retaddr)
+{
+}
+
+void tlb_init(CPUState *cpu)
+{
+}
+
 void tlb_set_dirty(CPUState *cpu, target_ulong vaddr)
 {
 }
+
+void tlb_flush(CPUState *cpu)
+{
+}
+
+void tlb_flush_page(CPUState *cpu, target_ulong addr)
+{
+}
+
+void tlb_reset_dirty(CPUState *cpu, ram_addr_t start1, ram_addr_t length)
+{
+}
+
+void tcg_region_init(void)
+{
+}
+
+void tcg_register_thread(void)
+{
+}
+
+void tcg_flush_softmmu_tlb(CPUState *cs)
+{
+}
+
+void cpu_loop_exit_noexc(CPUState *cpu)
+{
+    cpu->exception_index = -1;
+    cpu_loop_exit(cpu);
+}
+
+void cpu_loop_exit(CPUState *cpu)
+{
+    cpu->can_do_io = 1;
+    siglongjmp(cpu->jmp_env, 1);
+}
+
+void cpu_reloading_memory_map(void)
+{
+}
+
+int cpu_exec(CPUState *cpu)
+{
+    return 0;
+}
+
+void cpu_exec_step_atomic(CPUState *cpu)
+{
+}
+
+bool cpu_restore_state(CPUState *cpu, uintptr_t host_pc, bool will_exit)
+{
+    return false;
+}
+
+void cpu_loop_exit_restore(CPUState *cpu, uintptr_t pc)
+{
+    cpu_loop_exit(cpu);
+}
+
+struct page_collection *
+page_collection_lock(tb_page_addr_t start, tb_page_addr_t end)
+{
+    return NULL;
+}
+
+void page_collection_unlock(struct page_collection *set)
+{
+}
+#endif
diff --git a/stubs/Makefile.objs b/stubs/Makefile.objs
index f884bb6180..f74c7e927b 100644
--- a/stubs/Makefile.objs
+++ b/stubs/Makefile.objs
@@ -20,6 +20,7 @@ stub-obj-y += migr-blocker.o
 stub-obj-y += change-state-handler.o
 stub-obj-y += monitor.o
 stub-obj-y += monitor-core.o
+stub-obj-y += get-fd.o
 stub-obj-y += notify-event.o
 stub-obj-y += qtest.o
 stub-obj-y += replay.o
diff --git a/stubs/audio.c b/stubs/audio.c
new file mode 100644
index 0000000000..8ae3b0f568
--- /dev/null
+++ b/stubs/audio.c
@@ -0,0 +1,12 @@
+#include "qemu/osdep.h"
+#include "audio/audio.h"
+
+AudioState *audio_state_by_name(const char *name)
+{
+    return NULL;
+}
+
+const char *audio_get_id(QEMUSoundCard *card)
+{
+    return NULL;
+}
diff --git a/stubs/get-fd.c b/stubs/get-fd.c
new file mode 100644
index 0000000000..6800dbe6d4
--- /dev/null
+++ b/stubs/get-fd.c
@@ -0,0 +1,10 @@
+#include "qemu/osdep.h"
+#include "qapi/error.h"
+#include "monitor/monitor.h"
+#include "../monitor/monitor-internal.h"
+
+int monitor_get_fd(Monitor *mon, const char *name, Error **errp)
+{
+    error_setg(errp, "only QEMU supports file descriptor passing");
+    return -1;
+}
diff --git a/stubs/monitor.c b/stubs/monitor.c
index 20786ac4ff..4613bc23e0 100644
--- a/stubs/monitor.c
+++ b/stubs/monitor.c
@@ -2,11 +2,27 @@
 #include "qapi/error.h"
 #include "monitor/monitor.h"
 #include "../monitor/monitor-internal.h"
+#include "qapi/qapi-types-misc.h"
+#include "qapi/qapi-commands-misc.h"
+#include "qapi/qapi-types-qom.h"
+#include "qapi/qapi-commands-qdev.h"
+#include "hw/qdev-core.h"
+#include "sysemu/sysemu.h"
+#include "sysemu/runstate.h"
+#include "monitor/hmp.h"
 
-int monitor_get_fd(Monitor *mon, const char *name, Error **errp)
+#pragma weak hmp_handle_error
+#pragma weak cur_mon
+#pragma weak monitor_vprintf
+#pragma weak monitor_printf
+#pragma weak monitor_cur_is_qmp
+#pragma weak qmp_device_list_properties
+
+__thread Monitor *cur_mon;
+
+int monitor_vprintf(Monitor *mon, const char *fmt, va_list ap)
 {
-    error_setg(errp, "only QEMU supports file descriptor passing");
-    return -1;
+    abort();
 }
 
 void monitor_init_hmp(Chardev *chr, bool use_readline, Error **errp)
@@ -16,3 +32,34 @@ void monitor_init_hmp(Chardev *chr, bool use_readline, Error **errp)
 void monitor_fdsets_cleanup(void)
 {
 }
+
+int monitor_get_cpu_index(void)
+{
+    return -ENOSYS;
+}
+int monitor_printf(Monitor *mon, const char *fmt, ...)
+{
+    return -ENOSYS;
+}
+
+bool monitor_cur_is_qmp(void)
+{
+    return false;
+}
+
+ObjectPropertyInfoList *qmp_device_list_properties(const char *typename,
+                                                   Error **errp)
+{
+    return NULL;
+}
+
+VMChangeStateEntry *qdev_add_vm_change_state_handler(DeviceState *dev,
+                                                     VMChangeStateHandler *cb,
+                                                     void *opaque)
+{
+    return NULL;
+}
+
+void hmp_handle_error(Monitor *mon, Error *err)
+{
+}
diff --git a/stubs/net-stub.c b/stubs/net-stub.c
new file mode 100644
index 0000000000..cb2274ba40
--- /dev/null
+++ b/stubs/net-stub.c
@@ -0,0 +1,31 @@
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "net/net.h"
+
+int qemu_find_net_clients_except(const char *id, NetClientState **ncs,
+                                 NetClientDriver type, int max)
+{
+    return -ENOSYS;
+}
+
+NetClientState *net_hub_port_find(int hub_id)
+{
+    return NULL;
+}
+
+int net_hub_id_for_client(NetClientState *nc, int *id)
+{
+    return -ENOSYS;
+}
+
+int qemu_show_nic_models(const char *arg, const char *const *models)
+{
+    return -ENOSYS;
+}
+
+int qemu_find_nic_model(NICInfo *nd, const char * const *models,
+                        const char *default_model)
+{
+    return -ENOSYS;
+}
+
diff --git a/stubs/replay.c b/stubs/replay.c
index 5974ec1f50..2e3feee6a9 100644
--- a/stubs/replay.c
+++ b/stubs/replay.c
@@ -88,3 +88,17 @@ int replay_read_random(void *buf, size_t len)
 {
     return 0;
 }
+
+bool replay_has_checkpoint(void)
+{
+    return false;
+}
+
+int replay_get_instructions(void)
+{
+    return 0;
+}
+
+void replay_account_executed_instructions(void)
+{
+}
diff --git a/stubs/vl-stub.c b/stubs/vl-stub.c
new file mode 100644
index 0000000000..fff72be201
--- /dev/null
+++ b/stubs/vl-stub.c
@@ -0,0 +1,79 @@
+#include "qemu/osdep.h"
+#include "qemu-common.h"
+#include "qemu/uuid.h"
+#include "sysemu/sysemu.h"
+#include "exec/cpu-common.h"
+#include "exec/gdbstub.h"
+#include "sysemu/replay.h"
+#include "disas/disas.h"
+#include "sysemu/runstate.h"
+
+bool tcg_allowed;
+bool xen_allowed;
+bool boot_strict;
+bool qemu_uuid_set;
+
+int mem_prealloc;
+int smp_cpus;
+int vga_interface_type = VGA_NONE;
+int smp_cores = 1;
+int smp_threads = 1;
+int icount_align_option;
+int boot_menu;
+
+unsigned int max_cpus;
+const uint32_t arch_type;
+const char *mem_path;
+uint8_t qemu_extra_params_fw[2];
+uint8_t *boot_splash_filedata;
+size_t boot_splash_filedata_size;
+struct syminfo *syminfos;
+
+ram_addr_t ram_size;
+MachineState *current_machine;
+QemuUUID qemu_uuid;
+
+int runstate_is_running(void)
+{
+    return 0;
+}
+
+void runstate_set(RunState new_state)
+{
+}
+
+void vm_state_notify(int running, RunState state)
+{
+}
+
+bool qemu_vmstop_requested(RunState *r)
+{
+    return false;
+}
+
+void qemu_system_debug_request(void)
+{
+}
+
+char *qemu_find_file(int type, const char *name)
+{
+    return NULL;
+}
+
+void gdb_set_stop_cpu(CPUState *cpu)
+{
+}
+
+void replay_enable_events(void)
+{
+}
+
+void replay_disable_events(void)
+{
+}
+
+#ifdef TARGET_I386
+void x86_cpu_list(void)
+{
+}
+#endif
diff --git a/stubs/vmstate.c b/stubs/vmstate.c
index cc4fe41dfc..c7c015ac58 100644
--- a/stubs/vmstate.c
+++ b/stubs/vmstate.c
@@ -1,7 +1,9 @@
 #include "qemu/osdep.h"
 #include "migration/vmstate.h"
+#include "migration/misc.h"
 
 const VMStateDescription vmstate_dummy = {};
+const VMStateInfo vmstate_info_timer;
 
 int vmstate_register_with_alias_id(VMStateIf *obj,
                                    uint32_t instance_id,
@@ -23,3 +25,20 @@ bool vmstate_check_only_migratable(const VMStateDescription *vmsd)
 {
     return true;
 }
+
+void vmstate_register_ram(MemoryRegion *mr, DeviceState *dev)
+{
+}
+
+void vmstate_unregister_ram(MemoryRegion *mr, DeviceState *dev)
+{
+}
+
+void vmstate_register_ram_global(MemoryRegion *mr)
+{
+}
+
+bool migration_is_idle(void)
+{
+    return true;
+}
diff --git a/stubs/xen-mapcache.c b/stubs/xen-mapcache.c
new file mode 100644
index 0000000000..af5c031727
--- /dev/null
+++ b/stubs/xen-mapcache.c
@@ -0,0 +1,22 @@
+#include "qemu/osdep.h"
+#include "exec/hwaddr.h"
+#include "exec/cpu-common.h"
+#include "sysemu/xen-mapcache.h"
+
+#ifdef CONFIG_XEN
+
+void xen_invalidate_map_cache_entry(uint8_t *buffer)
+{
+}
+
+uint8_t *xen_map_cache(hwaddr phys_addr, hwaddr size, uint8_t lock, bool dma)
+{
+    return NULL;
+}
+
+ram_addr_t xen_ram_addr_from_mapcache(void *ptr)
+{
+    return 0;
+}
+
+#endif
-- 
2.25.GIT