cpu-target: build compilation unit once for user/system

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-ID: <20250730220519.1140447-2-pierrick.bouvier@linaro.org>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>

cpu-target.c

@@ -18,7 +18,6 @@
  */
 
 #include "qemu/osdep.h"
-#include "cpu.h"
 #include "accel/accel-cpu-ops.h"
 #include "system/cpus.h"
 #include "exec/cpu-common.h"
@@ -27,10 +26,6 @@
 #include "hw/core/cpu.h"
 #include "trace/trace-root.h"
 
-/* Validate correct placement of CPUArchState. */
-QEMU_BUILD_BUG_ON(offsetof(ArchCPU, parent_obj) != 0);
-QEMU_BUILD_BUG_ON(offsetof(ArchCPU, env) != sizeof(CPUState));
-
 /* enable or disable single step mode. EXCP_DEBUG is returned by the
    CPU loop after each instruction */
 void cpu_single_step(CPUState *cpu, int enabled)

meson.build

@@ -3876,7 +3876,8 @@ if have_block
 endif
 
 common_ss.add(files('cpu-common.c'))
-specific_ss.add(files('cpu-target.c'))
+user_ss.add(files('cpu-target.c'))
+system_ss.add(files('cpu-target.c'))
 
 subdir('system')
 

target-info-stub.c

@@ -12,6 +12,10 @@
 #include "hw/boards.h"
 #include "cpu.h"
 
+/* Validate correct placement of CPUArchState. */
+QEMU_BUILD_BUG_ON(offsetof(ArchCPU, parent_obj) != 0);
+QEMU_BUILD_BUG_ON(offsetof(ArchCPU, env) != sizeof(CPUState));
+
 static const TargetInfo target_info_stub = {
     .target_name = TARGET_NAME,
     .target_arch = SYS_EMU_TARGET__MAX,