[Qemu-devel] [RFC qom-cpu 14/41] cpu: Move opaque field from CPU_COMMON to CPUState

["Andreas Färber" <afaerber@suse.de>]

Signed-off-by: Andreas Färber <afaerber@suse.de>
---
 bsd-user/main.c              |  2 +-
 gdbstub.c                    |  3 +--
 include/exec/cpu-defs.h      |  3 ---
 include/qom/cpu.h            |  3 +++
 linux-user/elfload.c         | 10 ++++++----
 linux-user/linuxload.c       |  3 +--
 linux-user/m68k/target_cpu.h |  4 +++-
 linux-user/main.c            |  6 +++---
 linux-user/signal.c          | 17 +++++++++++------
 linux-user/syscall.c         | 30 ++++++++++++++++++------------
 linux-user/vm86.c            | 27 ++++++++++++++++++---------
 target-arm/arm-semi.c        |  9 +++++----
 target-m68k/m68k-semi.c      |  3 ++-
 13 files changed, 72 insertions(+), 48 deletions(-)

diff --git a/bsd-user/main.c b/bsd-user/main.c
index f9246aa..f81ba55 100644
--- a/bsd-user/main.c
+++ b/bsd-user/main.c
@@ -1000,7 +1000,7 @@ int main(int argc, char **argv)
     memset(ts, 0, sizeof(TaskState));
     init_task_state(ts);
     ts->info = info;
-    env->opaque = ts;
+    cpu->opaque = ts;
 
 #if defined(TARGET_I386)
     cpu_x86_set_cpl(env, 3);
diff --git a/gdbstub.c b/gdbstub.c
index 2b7f22b..dac99b3 100644
--- a/gdbstub.c
+++ b/gdbstub.c
@@ -1089,8 +1089,7 @@ static int gdb_handle_packet(GDBState *s, const char *line_buf)
         }
 #ifdef CONFIG_USER_ONLY
         else if (strncmp(p, "Offsets", 7) == 0) {
-            CPUArchState *env = s->c_cpu->env_ptr;
-            TaskState *ts = env->opaque;
+            TaskState *ts = s->c_cpu->opaque;
 
             snprintf(buf, sizeof(buf),
                      "Text=" TARGET_ABI_FMT_lx ";Data=" TARGET_ABI_FMT_lx
diff --git a/include/exec/cpu-defs.h b/include/exec/cpu-defs.h
index 512f2ed..be9569c 100644
--- a/include/exec/cpu-defs.h
+++ b/include/exec/cpu-defs.h
@@ -137,8 +137,5 @@ typedef struct CPUWatchpoint {
                                                                         \
     QTAILQ_HEAD(watchpoints_head, CPUWatchpoint) watchpoints;            \
     CPUWatchpoint *watchpoint_hit;                                      \
-                                                                        \
-    /* user data */                                                     \
-    void *opaque;                                                       \
 
 #endif
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 8191a80..828c833 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -187,6 +187,7 @@ struct kvm_run;
  * @gdb_num_regs: Number of total registers accessible to GDB.
  * @gdb_num_g_regs: Number of registers in GDB 'g' packets.
  * @next_cpu: Next CPU sharing TB cache.
+ * @opaque: User data.
  * @mem_io_pc: Host Program Counter at which the memory was accessed.
  * @mem_io_vaddr: Target virtual address at which the memory was accessed.
  * @kvm_fd: vCPU file descriptor for KVM.
@@ -230,6 +231,8 @@ struct CPUState {
     int gdb_num_g_regs;
     QTAILQ_ENTRY(CPUState) node;
 
+    void *opaque;
+
     /* In order to avoid passing too many arguments to the MMIO helpers,
      * we store some rarely used information in the CPU context.
      */
diff --git a/linux-user/elfload.c b/linux-user/elfload.c
index 72d9270..41eff49 100644
--- a/linux-user/elfload.c
+++ b/linux-user/elfload.c
@@ -2611,7 +2611,8 @@ static int write_note(struct memelfnote *men, int fd)
 
 static void fill_thread_info(struct elf_note_info *info, const CPUArchState *env)
 {
-    TaskState *ts = (TaskState *)env->opaque;
+    CPUState *cpu = ENV_GET_CPU((CPUArchState *)env);
+    TaskState *ts = (TaskState *)cpu->opaque;
     struct elf_thread_status *ets;
 
     ets = g_malloc0(sizeof (*ets));
@@ -2630,8 +2631,8 @@ static int fill_note_info(struct elf_note_info *info,
                           long signr, const CPUArchState *env)
 {
 #define NUMNOTES 3
-    CPUState *cpu = NULL;
-    TaskState *ts = (TaskState *)env->opaque;
+    CPUState *cpu = ENV_GET_CPU((CPUArchState *)env);
+    TaskState *ts = (TaskState *)cpu->opaque;
     int i;
 
     (void) memset(info, 0, sizeof (*info));
@@ -2759,7 +2760,8 @@ static int write_note_info(struct elf_note_info *info, int fd)
  */
 static int elf_core_dump(int signr, const CPUArchState *env)
 {
-    const TaskState *ts = (const TaskState *)env->opaque;
+    const CPUState *cpu = ENV_GET_CPU((CPUArchState *)env);
+    const TaskState *ts = (const TaskState *)cpu->opaque;
     struct vm_area_struct *vma = NULL;
     char corefile[PATH_MAX];
     struct elf_note_info info;
diff --git a/linux-user/linuxload.c b/linux-user/linuxload.c
index 5cd6d91..9caa268 100644
--- a/linux-user/linuxload.c
+++ b/linux-user/linuxload.c
@@ -89,8 +89,7 @@ static int prepare_binprm(struct linux_binprm *bprm)
 abi_ulong loader_build_argptr(int envc, int argc, abi_ulong sp,
                               abi_ulong stringp, int push_ptr)
 {
-    CPUArchState *env = thread_cpu->env_ptr;
-    TaskState *ts = (TaskState *)env->opaque;
+    TaskState *ts = (TaskState *)thread_cpu->opaque;
     int n = sizeof(abi_ulong);
     abi_ulong envp;
     abi_ulong argv;
diff --git a/linux-user/m68k/target_cpu.h b/linux-user/m68k/target_cpu.h
index cad9c90..bb4d3fa 100644
--- a/linux-user/m68k/target_cpu.h
+++ b/linux-user/m68k/target_cpu.h
@@ -31,7 +31,9 @@ static inline void cpu_clone_regs(CPUM68KState *env, target_ulong newsp)
 
 static inline void cpu_set_tls(CPUM68KState *env, target_ulong newtls)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cs = CPU(m68k_env_get_cpu(env));
+    TaskState *ts = cs->opaque;
+
     ts->tp_value = newtls;
 }
 
diff --git a/linux-user/main.c b/linux-user/main.c
index d556881..ac78024 100644
--- a/linux-user/main.c
+++ b/linux-user/main.c
@@ -676,7 +676,7 @@ void cpu_loop(CPUARMState *env)
         switch(trapnr) {
         case EXCP_UDEF:
             {
-                TaskState *ts = env->opaque;
+                TaskState *ts = cs->opaque;
                 uint32_t opcode;
                 int rc;
 
@@ -2721,7 +2721,7 @@ void cpu_loop(CPUM68KState *env)
     int trapnr;
     unsigned int n;
     target_siginfo_t info;
-    TaskState *ts = env->opaque;
+    TaskState *ts = cs->opaque;
 
     for(;;) {
         trapnr = cpu_m68k_exec(env);
@@ -3753,7 +3753,7 @@ int main(int argc, char **argv, char **envp)
     /* build Task State */
     ts->info = info;
     ts->bprm = &bprm;
-    env->opaque = ts;
+    cpu->opaque = ts;
     task_settid(ts);
 
     ret = loader_exec(filename, target_argv, target_environ, regs,
diff --git a/linux-user/signal.c b/linux-user/signal.c
index 6e51519..a46216f 100644
--- a/linux-user/signal.c
+++ b/linux-user/signal.c
@@ -370,7 +370,8 @@ void signal_init(void)
 
 static inline struct sigqueue *alloc_sigqueue(CPUArchState *env)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cpu = ENV_GET_CPU(env);
+    TaskState *ts = cpu->opaque;
     struct sigqueue *q = ts->first_free;
     if (!q)
         return NULL;
@@ -380,7 +381,9 @@ static inline struct sigqueue *alloc_sigqueue(CPUArchState *env)
 
 static inline void free_sigqueue(CPUArchState *env, struct sigqueue *q)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cpu = ENV_GET_CPU(env);
+    TaskState *ts = cpu->opaque;
+
     q->next = ts->first_free;
     ts->first_free = q;
 }
@@ -388,8 +391,9 @@ static inline void free_sigqueue(CPUArchState *env, struct sigqueue *q)
 /* abort execution with signal */
 static void QEMU_NORETURN force_sig(int target_sig)
 {
-    CPUArchState *env = thread_cpu->env_ptr;
-    TaskState *ts = (TaskState *)env->opaque;
+    CPUState *cpu = thread_cpu;
+    CPUArchState *env = cpu->env_ptr;
+    TaskState *ts = (TaskState *)cpu->opaque;
     int host_sig, core_dumped = 0;
     struct sigaction act;
     host_sig = target_to_host_signal(target_sig);
@@ -439,7 +443,8 @@ static void QEMU_NORETURN force_sig(int target_sig)
    as possible */
 int queue_signal(CPUArchState *env, int sig, target_siginfo_t *info)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cpu = ENV_GET_CPU(env);
+    TaskState *ts = cpu->opaque;
     struct emulated_sigtable *k;
     struct sigqueue *q, **pq;
     abi_ulong handler;
@@ -5399,7 +5404,7 @@ void process_pending_signals(CPUArchState *cpu_env)
     struct emulated_sigtable *k;
     struct target_sigaction *sa;
     struct sigqueue *q;
-    TaskState *ts = cpu_env->opaque;
+    TaskState *ts = cpu->opaque;
 
     if (!ts->signal_pending)
         return;
diff --git a/linux-user/syscall.c b/linux-user/syscall.c
index ecead51..c25eb4b 100644
--- a/linux-user/syscall.c
+++ b/linux-user/syscall.c
@@ -4246,7 +4246,7 @@ static void *clone_func(void *arg)
     env = info->env;
     cpu = ENV_GET_CPU(env);
     thread_cpu = cpu;
-    ts = (TaskState *)env->opaque;
+    ts = (TaskState *)cpu->opaque;
     info->tid = gettid();
     cpu->host_tid = info->tid;
     task_settid(ts);
@@ -4274,8 +4274,10 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
                    abi_ulong parent_tidptr, target_ulong newtls,
                    abi_ulong child_tidptr)
 {
+    CPUState *cpu = ENV_GET_CPU(env);
     int ret;
     TaskState *ts;
+    CPUState *new_cpu;
     CPUArchState *new_env;
     unsigned int nptl_flags;
     sigset_t sigmask;
@@ -4285,7 +4287,7 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
         flags &= ~(CLONE_VFORK | CLONE_VM);
 
     if (flags & CLONE_VM) {
-        TaskState *parent_ts = (TaskState *)env->opaque;
+        TaskState *parent_ts = (TaskState *)cpu->opaque;
         new_thread_info info;
         pthread_attr_t attr;
 
@@ -4295,7 +4297,8 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
         new_env = cpu_copy(env);
         /* Init regs that differ from the parent.  */
         cpu_clone_regs(new_env, newsp);
-        new_env->opaque = ts;
+        new_cpu = ENV_GET_CPU(new_env);
+        new_cpu->opaque = ts;
         ts->bprm = parent_ts->bprm;
         ts->info = parent_ts->info;
         nptl_flags = flags;
@@ -4367,7 +4370,7 @@ static int do_fork(CPUArchState *env, unsigned int flags, abi_ulong newsp,
                 put_user_u32(gettid(), child_tidptr);
             if (flags & CLONE_PARENT_SETTID)
                 put_user_u32(gettid(), parent_tidptr);
-            ts = (TaskState *)env->opaque;
+            ts = (TaskState *)cpu->opaque;
             if (flags & CLONE_SETTLS)
                 cpu_set_tls (env, newtls);
             if (flags & CLONE_CHILD_CLEARTID)
@@ -4898,7 +4901,8 @@ int get_osversion(void)
 static int open_self_maps(void *cpu_env, int fd)
 {
 #if defined(TARGET_ARM) || defined(TARGET_M68K) || defined(TARGET_UNICORE32)
-    TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
+    CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
+    TaskState *ts = cpu->opaque;
 #endif
     FILE *fp;
     char *line = NULL;
@@ -4950,7 +4954,8 @@ static int open_self_maps(void *cpu_env, int fd)
 
 static int open_self_stat(void *cpu_env, int fd)
 {
-    TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
+    CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
+    TaskState *ts = cpu->opaque;
     abi_ulong start_stack = ts->info->start_stack;
     int i;
 
@@ -4986,7 +4991,8 @@ static int open_self_stat(void *cpu_env, int fd)
 
 static int open_self_auxv(void *cpu_env, int fd)
 {
-    TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
+    CPUState *cpu = ENV_GET_CPU((CPUArchState *)cpu_env);
+    TaskState *ts = cpu->opaque;
     abi_ulong auxv = ts->info->saved_auxv;
     abi_ulong len = ts->info->auxv_len;
     char *ptr;
@@ -5120,14 +5126,14 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
             /* Remove the CPU from the list.  */
             QTAILQ_REMOVE(&cpus, cpu, node);
             cpu_list_unlock();
-            ts = ((CPUArchState *)cpu_env)->opaque;
+            ts = cpu->opaque;
             if (ts->child_tidptr) {
                 put_user_u32(0, ts->child_tidptr);
                 sys_futex(g2h(ts->child_tidptr), FUTEX_WAKE, INT_MAX,
                           NULL, NULL, 0);
             }
             thread_cpu = NULL;
-            object_unref(OBJECT(ENV_GET_CPU(cpu_env)));
+            object_unref(OBJECT(cpu));
             g_free(ts);
             pthread_exit(NULL);
         }
@@ -6424,7 +6430,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         break;
     case TARGET_NR_mprotect:
         {
-            TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
+            TaskState *ts = cpu->opaque;
             /* Special hack to detect libc making the stack executable.  */
             if ((arg3 & PROT_GROWSDOWN)
                 && arg1 >= ts->info->stack_limit
@@ -8508,7 +8514,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
       break;
 #elif defined(TARGET_M68K)
       {
-          TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
+          TaskState *ts = cpu->opaque;
           ts->tp_value = arg1;
           ret = 0;
           break;
@@ -8524,7 +8530,7 @@ abi_long do_syscall(void *cpu_env, int num, abi_long arg1,
         break;
 #elif defined(TARGET_M68K)
         {
-            TaskState *ts = ((CPUArchState *)cpu_env)->opaque;
+            TaskState *ts = cpu->opaque;
             ret = ts->tp_value;
             break;
         }
diff --git a/linux-user/vm86.c b/linux-user/vm86.c
index 2c4ffeb..45ef559 100644
--- a/linux-user/vm86.c
+++ b/linux-user/vm86.c
@@ -72,7 +72,8 @@ static inline unsigned int vm_getl(uint32_t segptr, unsigned int reg16)
 
 void save_v86_state(CPUX86State *env)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cs = CPU(x86_env_get_cpu(env));
+    TaskState *ts = cs->opaque;
     struct target_vm86plus_struct * target_v86;
 
     if (!lock_user_struct(VERIFY_WRITE, target_v86, ts->target_v86, 0))
@@ -131,7 +132,8 @@ static inline void return_to_32bit(CPUX86State *env, int retval)
 
 static inline int set_IF(CPUX86State *env)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cs = CPU(x86_env_get_cpu(env));
+    TaskState *ts = cs->opaque;
 
     ts->v86flags |= VIF_MASK;
     if (ts->v86flags & VIP_MASK) {
@@ -143,7 +145,8 @@ static inline int set_IF(CPUX86State *env)
 
 static inline void clear_IF(CPUX86State *env)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cs = CPU(x86_env_get_cpu(env));
+    TaskState *ts = cs->opaque;
 
     ts->v86flags &= ~VIF_MASK;
 }
@@ -160,7 +163,8 @@ static inline void clear_AC(CPUX86State *env)
 
 static inline int set_vflags_long(unsigned long eflags, CPUX86State *env)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cs = CPU(x86_env_get_cpu(env));
+    TaskState *ts = cs->opaque;
 
     set_flags(ts->v86flags, eflags, ts->v86mask);
     set_flags(env->eflags, eflags, SAFE_MASK);
@@ -173,7 +177,8 @@ static inline int set_vflags_long(unsigned long eflags, CPUX86State *env)
 
 static inline int set_vflags_short(unsigned short flags, CPUX86State *env)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cs = CPU(x86_env_get_cpu(env));
+    TaskState *ts = cs->opaque;
 
     set_flags(ts->v86flags, flags, ts->v86mask & 0xffff);
     set_flags(env->eflags, flags, SAFE_MASK);
@@ -186,7 +191,8 @@ static inline int set_vflags_short(unsigned short flags, CPUX86State *env)
 
 static inline unsigned int get_vflags(CPUX86State *env)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cs = CPU(x86_env_get_cpu(env));
+    TaskState *ts = cs->opaque;
     unsigned int flags;
 
     flags = env->eflags & RETURN_MASK;
@@ -202,7 +208,8 @@ static inline unsigned int get_vflags(CPUX86State *env)
    support TSS interrupt revectoring, so this code is always executed) */
 static void do_int(CPUX86State *env, int intno)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cs = CPU(x86_env_get_cpu(env));
+    TaskState *ts = cs->opaque;
     uint32_t int_addr, segoffs, ssp;
     unsigned int sp;
 
@@ -260,7 +267,8 @@ void handle_vm86_trap(CPUX86State *env, int trapno)
 
 void handle_vm86_fault(CPUX86State *env)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cs = CPU(x86_env_get_cpu(env));
+    TaskState *ts = cs->opaque;
     uint32_t csp, ssp;
     unsigned int ip, sp, newflags, newip, newcs, opcode, intno;
     int data32, pref_done;
@@ -384,7 +392,8 @@ void handle_vm86_fault(CPUX86State *env)
 
 int do_vm86(CPUX86State *env, long subfunction, abi_ulong vm86_addr)
 {
-    TaskState *ts = env->opaque;
+    CPUState *cs = CPU(x86_env_get_cpu(env));
+    TaskState *ts = cs->opaque;
     struct target_vm86plus_struct * target_v86;
     int ret;
 
diff --git a/target-arm/arm-semi.c b/target-arm/arm-semi.c
index ee469c4..ebb5235 100644
--- a/target-arm/arm-semi.c
+++ b/target-arm/arm-semi.c
@@ -127,7 +127,7 @@ static void arm_semi_cb(CPUState *cs, target_ulong ret, target_ulong err)
     ARMCPU *cpu = ARM_CPU(cs);
     CPUARMState *env = &cpu->env;
 #ifdef CONFIG_USER_ONLY
-    TaskState *ts = env->opaque;
+    TaskState *ts = cs->opaque;
 #endif
 
     if (ret == (target_ulong)-1) {
@@ -164,7 +164,7 @@ static void arm_semi_flen_cb(CPUState *cs, target_ulong ret, target_ulong err)
     cpu_memory_rw_debug(cs, env->regs[13]-64+32, (uint8_t *)&size, 4, 0);
     env->regs[0] = be32_to_cpu(size);
 #ifdef CONFIG_USER_ONLY
-    ((TaskState *)env->opaque)->swi_errno = err;
+    ((TaskState *)cs->opaque)->swi_errno = err;
 #else
     syscall_err = err;
 #endif
@@ -183,6 +183,7 @@ static void arm_semi_flen_cb(CPUState *cs, target_ulong ret, target_ulong err)
 uint32_t do_arm_semihosting(CPUARMState *env)
 {
     ARMCPU *cpu = arm_env_get_cpu(env);
+    CPUState *cs = CPU(cpu);
     target_ulong args;
     target_ulong arg0, arg1, arg2, arg3;
     char * s;
@@ -190,7 +191,7 @@ uint32_t do_arm_semihosting(CPUARMState *env)
     uint32_t ret;
     uint32_t len;
 #ifdef CONFIG_USER_ONLY
-    TaskState *ts = env->opaque;
+    TaskState *ts = cs->opaque;
 #else
     CPUARMState *ts = env;
 #endif
@@ -554,7 +555,7 @@ uint32_t do_arm_semihosting(CPUARMState *env)
         exit(0);
     default:
         fprintf(stderr, "qemu: Unsupported SemiHosting SWI 0x%02x\n", nr);
-        cpu_dump_state(CPU(cpu), stderr, fprintf, 0);
+        cpu_dump_state(cs, stderr, fprintf, 0);
         abort();
     }
 }
diff --git a/target-m68k/m68k-semi.c b/target-m68k/m68k-semi.c
index 94c4983..2dea3ca 100644
--- a/target-m68k/m68k-semi.c
+++ b/target-m68k/m68k-semi.c
@@ -428,7 +428,8 @@ void do_m68k_semihosting(CPUM68KState *env, int nr)
     case HOSTED_INIT_SIM:
 #if defined(CONFIG_USER_ONLY)
         {
-        TaskState *ts = env->opaque;
+        CPUState *cs = CPU(m68k_env_get_cpu(env));
+        TaskState *ts = cs->opaque;
         /* Allocate the heap using sbrk.  */
         if (!ts->heap_limit) {
             abi_ulong ret;
-- 
1.8.1.4