From 24374901004c774e8b932a3526bda6c627942a88 Mon Sep 17 00:00:00 2001
From: bellard <bellard@c046a42c-6fe2-441c-8c8c-71466251a162>
Date: Sun, 15 Jun 2003 19:52:54 +0000
Subject: [PATCH] fixed serious ioctl parameter conversion issue - exported
 type size and align functions

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@239 c046a42c-6fe2-441c-8c8c-71466251a162
---
 thunk.c |   76 ++----------------------------------------------------------
 thunk.h |   79 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++---
 2 files changed, 78 insertions(+), 77 deletions(-)

diff --git a/thunk.c b/thunk.c
index f28a976..b14fb17 100644
--- a/thunk.c
+++ b/thunk.c
@@ -29,80 +29,7 @@
 #define MAX_STRUCTS 128
 
 /* XXX: make it dynamic */
-static StructEntry struct_entries[MAX_STRUCTS];
-
-static inline int thunk_type_size(const argtype *type_ptr, int is_host)
-{
-    int type, size;
-    const StructEntry *se;
-
-    type = *type_ptr;
-    switch(type) {
-    case TYPE_CHAR:
-        return 1;
-    case TYPE_SHORT:
-        return 2;
-    case TYPE_INT:
-        return 4;
-    case TYPE_LONGLONG:
-    case TYPE_ULONGLONG:
-        return 8;
-    case TYPE_LONG:
-    case TYPE_ULONG:
-    case TYPE_PTRVOID:
-    case TYPE_PTR:
-        if (is_host) {
-            return HOST_LONG_SIZE;
-        } else {
-            return TARGET_LONG_SIZE;
-        }
-        break;
-    case TYPE_ARRAY:
-        size = type_ptr[1];
-        return size * thunk_type_size(type_ptr + 2, is_host);
-    case TYPE_STRUCT:
-        se = struct_entries + type_ptr[1];
-        return se->size[is_host];
-    default:
-        return -1;
-    }
-}
-
-static inline int thunk_type_align(const argtype *type_ptr, int is_host)
-{
-    int type;
-    const StructEntry *se;
-
-    type = *type_ptr;
-    switch(type) {
-    case TYPE_CHAR:
-        return 1;
-    case TYPE_SHORT:
-        return 2;
-    case TYPE_INT:
-        return 4;
-    case TYPE_LONGLONG:
-    case TYPE_ULONGLONG:
-        return 8;
-    case TYPE_LONG:
-    case TYPE_ULONG:
-    case TYPE_PTRVOID:
-    case TYPE_PTR:
-        if (is_host) {
-            return HOST_LONG_SIZE;
-        } else {
-            return TARGET_LONG_SIZE;
-        }
-        break;
-    case TYPE_ARRAY:
-        return thunk_type_align(type_ptr + 2, is_host);
-    case TYPE_STRUCT:
-        se = struct_entries + type_ptr[1];
-        return se->align[is_host];
-    default:
-        return -1;
-    }
-}
+StructEntry struct_entries[MAX_STRUCTS];
 
 static inline const argtype *thunk_type_next(const argtype *type_ptr)
 {
@@ -167,6 +94,7 @@ void thunk_register_struct(int id, const char *name, const argtype *types)
             offset += size;
             if (align > max_align)
                 max_align = align;
+            type_ptr = thunk_type_next(type_ptr);
         }
         offset = (offset + max_align - 1) & ~(max_align - 1);
         se->size[i] = offset;
diff --git a/thunk.h b/thunk.h
index 9a06847..929e47f 100644
--- a/thunk.h
+++ b/thunk.h
@@ -61,15 +61,13 @@
 
 #endif
 
-#ifdef WORDS_BIGENDIAN
+#if defined(WORDS_BIGENDIAN) != defined(TARGET_WORDS_BIGENDIAN)
 #define BSWAP_NEEDED
 #endif
 
 /* XXX: autoconf */
-#define TARGET_I386
 #define TARGET_LONG_BITS 32
 
-
 #if defined(__alpha__) || defined (__ia64__)
 #define HOST_LONG_BITS 64
 #else
@@ -239,6 +237,81 @@ void thunk_register_struct_direct(int id, const char *name, StructEntry *se1);
 const argtype *thunk_convert(void *dst, const void *src, 
                              const argtype *type_ptr, int to_host);
 
+extern StructEntry struct_entries[];
+
+static inline int thunk_type_size(const argtype *type_ptr, int is_host)
+{
+    int type, size;
+    const StructEntry *se;
+
+    type = *type_ptr;
+    switch(type) {
+    case TYPE_CHAR:
+        return 1;
+    case TYPE_SHORT:
+        return 2;
+    case TYPE_INT:
+        return 4;
+    case TYPE_LONGLONG:
+    case TYPE_ULONGLONG:
+        return 8;
+    case TYPE_LONG:
+    case TYPE_ULONG:
+    case TYPE_PTRVOID:
+    case TYPE_PTR:
+        if (is_host) {
+            return HOST_LONG_SIZE;
+        } else {
+            return TARGET_LONG_SIZE;
+        }
+        break;
+    case TYPE_ARRAY:
+        size = type_ptr[1];
+        return size * thunk_type_size(type_ptr + 2, is_host);
+    case TYPE_STRUCT:
+        se = struct_entries + type_ptr[1];
+        return se->size[is_host];
+    default:
+        return -1;
+    }
+}
+
+static inline int thunk_type_align(const argtype *type_ptr, int is_host)
+{
+    int type;
+    const StructEntry *se;
+
+    type = *type_ptr;
+    switch(type) {
+    case TYPE_CHAR:
+        return 1;
+    case TYPE_SHORT:
+        return 2;
+    case TYPE_INT:
+        return 4;
+    case TYPE_LONGLONG:
+    case TYPE_ULONGLONG:
+        return 8;
+    case TYPE_LONG:
+    case TYPE_ULONG:
+    case TYPE_PTRVOID:
+    case TYPE_PTR:
+        if (is_host) {
+            return HOST_LONG_SIZE;
+        } else {
+            return TARGET_LONG_SIZE;
+        }
+        break;
+    case TYPE_ARRAY:
+        return thunk_type_align(type_ptr + 2, is_host);
+    case TYPE_STRUCT:
+        se = struct_entries + type_ptr[1];
+        return se->align[is_host];
+    default:
+        return -1;
+    }
+}
+
 unsigned int target_to_host_bitmask(unsigned int x86_mask, 
                                     bitmask_transtbl * trans_tbl);
 unsigned int host_to_target_bitmask(unsigned int alpha_mask, 
-- 
1.7.9.5