tcg: Remove TCG_TARGET_SUPPORT_MIRROR

Now that all native tcg hosts support splitwx, remove the define.
Replace the one use with a test for CONFIG_TCG_INTERPRETER.

Reviewed-by: Joelle van Dyne <j@getutm.app>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
diff --git a/accel/tcg/translate-all.c b/accel/tcg/translate-all.c
index 02e1b05..e9de6ff 100644
--- a/accel/tcg/translate-all.c
+++ b/accel/tcg/translate-all.c
@@ -1132,6 +1132,7 @@
     return true;
 }
 
+#ifndef CONFIG_TCG_INTERPRETER
 #ifdef CONFIG_POSIX
 #include "qemu/memfd.h"
 
@@ -1254,17 +1255,18 @@
     return true;
 }
 #endif /* CONFIG_DARWIN */
+#endif /* CONFIG_TCG_INTERPRETER */
 
 static bool alloc_code_gen_buffer_splitwx(size_t size, Error **errp)
 {
-    if (TCG_TARGET_SUPPORT_MIRROR) {
-#ifdef CONFIG_DARWIN
-        return alloc_code_gen_buffer_splitwx_vmremap(size, errp);
+#ifndef CONFIG_TCG_INTERPRETER
+# ifdef CONFIG_DARWIN
+    return alloc_code_gen_buffer_splitwx_vmremap(size, errp);
+# endif
+# ifdef CONFIG_POSIX
+    return alloc_code_gen_buffer_splitwx_memfd(size, errp);
+# endif
 #endif
-#ifdef CONFIG_POSIX
-        return alloc_code_gen_buffer_splitwx_memfd(size, errp);
-#endif
-    }
     error_setg(errp, "jit split-wx not supported");
     return false;
 }
diff --git a/tcg/aarch64/tcg-target.h b/tcg/aarch64/tcg-target.h
index 079828e..5ec30db 100644
--- a/tcg/aarch64/tcg-target.h
+++ b/tcg/aarch64/tcg-target.h
@@ -155,6 +155,5 @@
 #define TCG_TARGET_NEED_LDST_LABELS
 #endif
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_SUPPORT_MIRROR       1
 
 #endif /* AARCH64_TCG_TARGET_H */
diff --git a/tcg/arm/tcg-target.h b/tcg/arm/tcg-target.h
index fdf75ba..8d1fee6 100644
--- a/tcg/arm/tcg-target.h
+++ b/tcg/arm/tcg-target.h
@@ -142,6 +142,5 @@
 #define TCG_TARGET_NEED_LDST_LABELS
 #endif
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_SUPPORT_MIRROR       1
 
 #endif
diff --git a/tcg/i386/tcg-target.h b/tcg/i386/tcg-target.h
index cb1b138..b693d36 100644
--- a/tcg/i386/tcg-target.h
+++ b/tcg/i386/tcg-target.h
@@ -235,6 +235,5 @@
 #define TCG_TARGET_NEED_LDST_LABELS
 #endif
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_SUPPORT_MIRROR       1
 
 #endif
diff --git a/tcg/mips/tcg-target.h b/tcg/mips/tcg-target.h
index ed5c347..c2c32fb 100644
--- a/tcg/mips/tcg-target.h
+++ b/tcg/mips/tcg-target.h
@@ -201,7 +201,6 @@
 
 #define TCG_TARGET_DEFAULT_MO (0)
 #define TCG_TARGET_HAS_MEMORY_BSWAP     1
-#define TCG_TARGET_SUPPORT_MIRROR       1
 
 void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 
diff --git a/tcg/ppc/tcg-target.h b/tcg/ppc/tcg-target.h
index ec51f47..d1339af 100644
--- a/tcg/ppc/tcg-target.h
+++ b/tcg/ppc/tcg-target.h
@@ -185,6 +185,5 @@
 #define TCG_TARGET_NEED_LDST_LABELS
 #endif
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_SUPPORT_MIRROR       1
 
 #endif
diff --git a/tcg/riscv/tcg-target.h b/tcg/riscv/tcg-target.h
index c50ecf4..727c8df 100644
--- a/tcg/riscv/tcg-target.h
+++ b/tcg/riscv/tcg-target.h
@@ -171,6 +171,5 @@
 #define TCG_TARGET_NEED_POOL_LABELS
 
 #define TCG_TARGET_HAS_MEMORY_BSWAP 0
-#define TCG_TARGET_SUPPORT_MIRROR   1
 
 #endif
diff --git a/tcg/s390/tcg-target.h b/tcg/s390/tcg-target.h
index 4edcb06..641464e 100644
--- a/tcg/s390/tcg-target.h
+++ b/tcg/s390/tcg-target.h
@@ -159,6 +159,5 @@
 #define TCG_TARGET_NEED_LDST_LABELS
 #endif
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_SUPPORT_MIRROR       1
 
 #endif
diff --git a/tcg/sparc/tcg-target.h b/tcg/sparc/tcg-target.h
index 6426e24..95ab9af 100644
--- a/tcg/sparc/tcg-target.h
+++ b/tcg/sparc/tcg-target.h
@@ -172,6 +172,5 @@
 void tb_target_set_jmp_target(uintptr_t, uintptr_t, uintptr_t, uintptr_t);
 
 #define TCG_TARGET_NEED_POOL_LABELS
-#define TCG_TARGET_SUPPORT_MIRROR       1
 
 #endif
diff --git a/tcg/tci/tcg-target.h b/tcg/tci/tcg-target.h
index d8c78d1..bb784e0 100644
--- a/tcg/tci/tcg-target.h
+++ b/tcg/tci/tcg-target.h
@@ -198,7 +198,6 @@
 #define TCG_TARGET_DEFAULT_MO  (0)
 
 #define TCG_TARGET_HAS_MEMORY_BSWAP     1
-#define TCG_TARGET_SUPPORT_MIRROR       0
 
 static inline void tb_target_set_jmp_target(uintptr_t tc_ptr, uintptr_t jmp_rx,
                                             uintptr_t jmp_rw, uintptr_t addr)