From fb955a39752a82c219fa401415892bd4facb5845 Mon Sep 17 00:00:00 2001
From: Yang Liu <liuyang22@iscas.ac.cn>
Date: Fri, 4 Apr 2025 01:12:33 +0800
Subject: Decoupled alternate functions from bridge (#2500)

---
 src/tools/alternate.c | 47 +++++++++++++++++++++++++++++++++++++++++++++++
 src/tools/bridge.c    | 46 +---------------------------------------------
 src/tools/gtkclass.c  |  1 +
 3 files changed, 49 insertions(+), 45 deletions(-)
 create mode 100644 src/tools/alternate.c

(limited to 'src/tools')

diff --git a/src/tools/alternate.c b/src/tools/alternate.c
new file mode 100644
index 00000000..223a9eb5
--- /dev/null
+++ b/src/tools/alternate.c
@@ -0,0 +1,47 @@
+#include "alternate.h"
+#include "custommem.h"
+#include "khash.h"
+
+// Alternate address handling
+KHASH_MAP_INIT_INT64(alternate, void*)
+static kh_alternate_t *my_alternates = NULL;
+
+int hasAlternate(void* addr) {
+    if(!my_alternates)
+        return 0;
+    khint_t k = kh_get(alternate, my_alternates, (uintptr_t)addr);
+    if(k==kh_end(my_alternates))
+        return 0;
+    return 1;
+}
+
+void* getAlternate(void* addr) {
+    if(!my_alternates)
+        return addr;
+    khint_t k = kh_get(alternate, my_alternates, (uintptr_t)addr);
+    if(k!=kh_end(my_alternates))
+        return kh_value(my_alternates, k);
+    return addr;
+}
+void addAlternate(void* addr, void* alt) {
+    if(!my_alternates) {
+        my_alternates = kh_init(alternate);
+    }
+    int ret;
+    khint_t k = kh_put(alternate, my_alternates, (uintptr_t)addr, &ret);
+    if(!ret)    // already there
+        return;
+    kh_value(my_alternates, k) = alt;
+}
+
+void addCheckAlternate(void* addr, void* alt) {
+    if(!hasAlternate(addr))
+        addAlternate(addr, alt);
+}
+
+void cleanAlternate() {
+    if(my_alternates) {
+        kh_destroy(alternate, my_alternates);
+        my_alternates = NULL;
+    }
+}
diff --git a/src/tools/bridge.c b/src/tools/bridge.c
index 0c7ed4d7..1ad0c3e5 100644
--- a/src/tools/bridge.c
+++ b/src/tools/bridge.c
@@ -17,6 +17,7 @@
 #include "x64emu.h"
 #include "box64context.h"
 #include "elfloader.h"
+#include "alternate.h"
 #ifdef DYNAREC
 #include "dynablock.h"
 #endif
@@ -248,51 +249,6 @@ const char* getBridgeName(void* addr)
     return NULL;
 }
 
-
-// Alternate address handling
-KHASH_MAP_INIT_INT64(alternate, void*)
-static kh_alternate_t *my_alternates = NULL;
-
-int hasAlternate(void* addr) {
-    if(!my_alternates)
-        return 0;
-    khint_t k = kh_get(alternate, my_alternates, (uintptr_t)addr);
-    if(k==kh_end(my_alternates))
-        return 0;
-    return 1;
-}
-
-void* getAlternate(void* addr) {
-    if(!my_alternates)
-        return addr;
-    khint_t k = kh_get(alternate, my_alternates, (uintptr_t)addr);
-    if(k!=kh_end(my_alternates))
-        return kh_value(my_alternates, k);
-    return addr;
-}
-void addAlternate(void* addr, void* alt) {
-    if(!my_alternates) {
-        my_alternates = kh_init(alternate);
-    }
-    int ret;
-    khint_t k = kh_put(alternate, my_alternates, (uintptr_t)addr, &ret);
-    if(!ret)    // already there
-        return;
-    kh_value(my_alternates, k) = alt;
-}
-
-void addCheckAlternate(void* addr, void* alt) {
-    if(!hasAlternate(addr))
-        addAlternate(addr, alt);
-}
-
-void cleanAlternate() {
-    if(my_alternates) {
-        kh_destroy(alternate, my_alternates);
-        my_alternates = NULL;
-    }
-}
-
 void init_bridge_helper()
 {
 }
diff --git a/src/tools/gtkclass.c b/src/tools/gtkclass.c
index 4a24de0b..55cfb99f 100644
--- a/src/tools/gtkclass.c
+++ b/src/tools/gtkclass.c
@@ -7,6 +7,7 @@
 #include "wrappedlibs.h"
 
 #include "bridge.h"
+#include "alternate.h"
 #include "debug.h"
 #include "callback.h"
 #include "librarian.h"
-- 
cgit 1.4.1