user: Move various declarations out of 'exec/exec-all.h'

Move various declarations related to user emulation
from "exec/exec-all.h" to "user/cpu_loop.h".

Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Pierrick Bouvier <pierrick.bouvier@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20241212185341.2857-19-philmd@linaro.org>

accel/tcg/user-exec.c

@@ -24,6 +24,7 @@
 #include "qemu/bitops.h"
 #include "qemu/rcu.h"
 #include "exec/cpu_ldst.h"
+#include "user/cpu_loop.h"
 #include "qemu/main-loop.h"
 #include "user/page-protection.h"
 #include "exec/page-protection.h"

bsd-user/signal.c

@@ -21,6 +21,7 @@
 #include "qemu/osdep.h"
 #include "qemu/log.h"
 #include "qemu.h"
+#include "user/cpu_loop.h"
 #include "exec/page-protection.h"
 #include "user/page-protection.h"
 #include "user/tswap-target.h"

include/exec/exec-all.h

@@ -22,7 +22,6 @@
 
 #include "cpu.h"
 #if defined(CONFIG_USER_ONLY)
-#include "exec/abi_ptr.h"
 #include "exec/cpu_ldst.h"
 #endif
 #include "exec/mmu-access-type.h"
@@ -518,60 +517,8 @@ static inline tb_page_addr_t get_page_addr_code(CPUArchState *env,
     return get_page_addr_code_hostp(env, addr, NULL);
 }
 
-#if defined(CONFIG_USER_ONLY)
-
-/**
- * adjust_signal_pc:
- * @pc: raw pc from the host signal ucontext_t.
- * @is_write: host memory operation was write, or read-modify-write.
- *
- * Alter @pc as required for unwinding.  Return the type of the
- * guest memory access -- host reads may be for guest execution.
- */
-MMUAccessType adjust_signal_pc(uintptr_t *pc, bool is_write);
-
-/**
- * handle_sigsegv_accerr_write:
- * @cpu: the cpu context
- * @old_set: the sigset_t from the signal ucontext_t
- * @host_pc: the host pc, adjusted for the signal
- * @host_addr: the host address of the fault
- *
- * Return true if the write fault has been handled, and should be re-tried.
- */
-bool handle_sigsegv_accerr_write(CPUState *cpu, sigset_t *old_set,
-                                 uintptr_t host_pc, abi_ptr guest_addr);
-
-/**
- * cpu_loop_exit_sigsegv:
- * @cpu: the cpu context
- * @addr: the guest address of the fault
- * @access_type: access was read/write/execute
- * @maperr: true for invalid page, false for permission fault
- * @ra: host pc for unwinding
- *
- * Use the TCGCPUOps hook to record cpu state, do guest operating system
- * specific things to raise SIGSEGV, and jump to the main cpu loop.
- */
-G_NORETURN void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
-                                      MMUAccessType access_type,
-                                      bool maperr, uintptr_t ra);
-
-/**
- * cpu_loop_exit_sigbus:
- * @cpu: the cpu context
- * @addr: the guest address of the alignment fault
- * @access_type: access was read/write/execute
- * @ra: host pc for unwinding
- *
- * Use the TCGCPUOps hook to record cpu state, do guest operating system
- * specific things to raise SIGBUS, and jump to the main cpu loop.
- */
-G_NORETURN void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr,
-                                     MMUAccessType access_type,
-                                     uintptr_t ra);
+#if !defined(CONFIG_USER_ONLY)
 
-#else
 void tlb_reset_dirty(CPUState *cpu, ram_addr_t start1, ram_addr_t length);
 void tlb_reset_dirty_range_all(ram_addr_t start, ram_addr_t length);
 

include/user/cpu_loop.h

@@ -20,9 +20,63 @@
 #ifndef USER_CPU_LOOP_H
 #define USER_CPU_LOOP_H
 
+#include "exec/abi_ptr.h"
+#include "exec/mmu-access-type.h"
 #include "exec/log.h"
+#include "exec/target_long.h"
 #include "special-errno.h"
 
+/**
+ * adjust_signal_pc:
+ * @pc: raw pc from the host signal ucontext_t.
+ * @is_write: host memory operation was write, or read-modify-write.
+ *
+ * Alter @pc as required for unwinding.  Return the type of the
+ * guest memory access -- host reads may be for guest execution.
+ */
+MMUAccessType adjust_signal_pc(uintptr_t *pc, bool is_write);
+
+/**
+ * handle_sigsegv_accerr_write:
+ * @cpu: the cpu context
+ * @old_set: the sigset_t from the signal ucontext_t
+ * @host_pc: the host pc, adjusted for the signal
+ * @host_addr: the host address of the fault
+ *
+ * Return true if the write fault has been handled, and should be re-tried.
+ */
+bool handle_sigsegv_accerr_write(CPUState *cpu, sigset_t *old_set,
+                                 uintptr_t host_pc, abi_ptr guest_addr);
+
+/**
+ * cpu_loop_exit_sigsegv:
+ * @cpu: the cpu context
+ * @addr: the guest address of the fault
+ * @access_type: access was read/write/execute
+ * @maperr: true for invalid page, false for permission fault
+ * @ra: host pc for unwinding
+ *
+ * Use the TCGCPUOps hook to record cpu state, do guest operating system
+ * specific things to raise SIGSEGV, and jump to the main cpu loop.
+ */
+G_NORETURN void cpu_loop_exit_sigsegv(CPUState *cpu, target_ulong addr,
+                                      MMUAccessType access_type,
+                                      bool maperr, uintptr_t ra);
+
+/**
+ * cpu_loop_exit_sigbus:
+ * @cpu: the cpu context
+ * @addr: the guest address of the alignment fault
+ * @access_type: access was read/write/execute
+ * @ra: host pc for unwinding
+ *
+ * Use the TCGCPUOps hook to record cpu state, do guest operating system
+ * specific things to raise SIGBUS, and jump to the main cpu loop.
+ */
+G_NORETURN void cpu_loop_exit_sigbus(CPUState *cpu, target_ulong addr,
+                                     MMUAccessType access_type,
+                                     uintptr_t ra);
+
 G_NORETURN void cpu_loop(CPUArchState *env);
 
 void target_exception_dump(CPUArchState *env, const char *fmt, int code);

linux-user/signal.c

@@ -33,6 +33,7 @@
 #include "trace.h"
 #include "signal-common.h"
 #include "host-signal.h"
+#include "user/cpu_loop.h"
 #include "user/page-protection.h"
 #include "user/safe-syscall.h"
 #include "tcg/tcg.h"

target/arm/tcg/mte_helper.c

@@ -24,6 +24,7 @@
 #include "exec/exec-all.h"
 #include "exec/page-protection.h"
 #ifdef CONFIG_USER_ONLY
+#include "user/cpu_loop.h"
 #include "user/page-protection.h"
 #else
 #include "exec/ram_addr.h"