]> git.proxmox.com Git - mirror_qemu.git/blobdiff - thunk.c
iotests/308: Add test for FUSE exports
[mirror_qemu.git] / thunk.c
diff --git a/thunk.c b/thunk.c
index 7331aeb477d7f8fe124317e221fc3199b171d9ba..fc5be1a502e7b511adb82b7f2676e13655940a0c 100644 (file)
--- a/thunk.c
+++ b/thunk.c
@@ -6,7 +6,7 @@
  * This library is free software; you can redistribute it and/or
  * modify it under the terms of the GNU Lesser General Public
  * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
  *
  * This library is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ * License along with this library; if not, see <http://www.gnu.org/licenses/>.
  */
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
+#include "qemu/osdep.h"
 
 #include "qemu.h"
-#include "thunk.h"
+#include "exec/user/thunk.h"
 
 //#define DEBUG
 
-#define MAX_STRUCTS 128
-
-/* XXX: make it dynamic */
-StructEntry struct_entries[MAX_STRUCTS];
+static unsigned int max_struct_entries;
+StructEntry *struct_entries;
 
 static const argtype *thunk_type_next_ptr(const argtype *type_ptr);
 
@@ -47,6 +42,7 @@ static inline const argtype *thunk_type_next(const argtype *type_ptr)
     case TYPE_LONG:
     case TYPE_ULONG:
     case TYPE_PTRVOID:
+    case TYPE_OLDDEVT:
         return type_ptr;
     case TYPE_PTR:
         return thunk_type_next_ptr(type_ptr);
@@ -70,7 +66,7 @@ void thunk_register_struct(int id, const char *name, const argtype *types)
     StructEntry *se;
     int nb_fields, offset, max_align, align, size, i, j;
 
-    se = struct_entries + id;
+    assert(id < max_struct_entries);
 
     /* first we count the number of fields */
     type_ptr = types;
@@ -79,6 +75,8 @@ void thunk_register_struct(int id, const char *name, const argtype *types)
         type_ptr = thunk_type_next(type_ptr);
         nb_fields++;
     }
+    assert(nb_fields > 0);
+    se = struct_entries + id;
     se->field_types = types;
     se->nb_fields = nb_fields;
     se->name = name;
@@ -88,10 +86,10 @@ void thunk_register_struct(int id, const char *name, const argtype *types)
 #endif
     /* now we can alloc the data */
 
-    for(i = 0;i < 2; i++) {
+    for (i = 0; i < ARRAY_SIZE(se->field_offsets); i++) {
         offset = 0;
         max_align = 1;
-        se->field_offsets[i] = malloc(nb_fields * sizeof(int));
+        se->field_offsets[i] = g_new(int, nb_fields);
         type_ptr = se->field_types;
         for(j = 0;j < nb_fields; j++) {
             size = thunk_type_size(type_ptr, i);
@@ -113,9 +111,12 @@ void thunk_register_struct(int id, const char *name, const argtype *types)
     }
 }
 
-void thunk_register_struct_direct(int id, const char *name, StructEntry *se1)
+void thunk_register_struct_direct(int id, const char *name,
+                                  const StructEntry *se1)
 {
     StructEntry *se;
+
+    assert(id < max_struct_entries);
     se = struct_entries + id;
     *se = *se1;
     se->name = name;
@@ -188,6 +189,33 @@ const argtype *thunk_convert(void *dst, const void *src,
 #else
 #warning unsupported conversion
 #endif
+    case TYPE_OLDDEVT:
+    {
+        uint64_t val = 0;
+        switch (thunk_type_size(type_ptr - 1, !to_host)) {
+        case 2:
+            val = *(uint16_t *)src;
+            break;
+        case 4:
+            val = *(uint32_t *)src;
+            break;
+        case 8:
+            val = *(uint64_t *)src;
+            break;
+        }
+        switch (thunk_type_size(type_ptr - 1, to_host)) {
+        case 2:
+            *(uint16_t *)dst = tswap16(val);
+            break;
+        case 4:
+            *(uint32_t *)dst = tswap32(val);
+            break;
+        case 8:
+            *(uint64_t *)dst = tswap64(val);
+            break;
+        }
+        break;
+    }
     case TYPE_ARRAY:
         {
             int array_length, i, dst_size, src_size;
@@ -216,6 +244,7 @@ const argtype *thunk_convert(void *dst, const void *src,
             const argtype *field_types;
             const int *dst_offsets, *src_offsets;
 
+            assert(*type_ptr < max_struct_entries);
             se = struct_entries + *type_ptr++;
             if (se->convert[0] != NULL) {
                 /* specific conversion is needed */
@@ -242,40 +271,198 @@ const argtype *thunk_convert(void *dst, const void *src,
     return type_ptr;
 }
 
+const argtype *thunk_print(void *arg, const argtype *type_ptr)
+{
+    int type;
+
+    type = *type_ptr++;
+
+    switch (type) {
+    case TYPE_CHAR:
+        qemu_log("%c", *(uint8_t *)arg);
+        break;
+    case TYPE_SHORT:
+        qemu_log("%" PRId16, tswap16(*(uint16_t *)arg));
+        break;
+    case TYPE_INT:
+        qemu_log("%" PRId32, tswap32(*(uint32_t *)arg));
+        break;
+    case TYPE_LONGLONG:
+        qemu_log("%" PRId64, tswap64(*(uint64_t *)arg));
+        break;
+    case TYPE_ULONGLONG:
+        qemu_log("%" PRIu64, tswap64(*(uint64_t *)arg));
+        break;
+#if HOST_LONG_BITS == 32 && TARGET_ABI_BITS == 32
+    case TYPE_PTRVOID:
+        qemu_log("0x%" PRIx32, tswap32(*(uint32_t *)arg));
+        break;
+    case TYPE_LONG:
+        qemu_log("%" PRId32, tswap32(*(uint32_t *)arg));
+        break;
+    case TYPE_ULONG:
+        qemu_log("%" PRIu32, tswap32(*(uint32_t *)arg));
+        break;
+#elif HOST_LONG_BITS == 64 && TARGET_ABI_BITS == 32
+    case TYPE_PTRVOID:
+        qemu_log("0x%" PRIx32, tswap32(*(uint64_t *)arg & 0xffffffff));
+        break;
+    case TYPE_LONG:
+        qemu_log("%" PRId32, tswap32(*(uint64_t *)arg & 0xffffffff));
+        break;
+    case TYPE_ULONG:
+        qemu_log("%" PRIu32, tswap32(*(uint64_t *)arg & 0xffffffff));
+        break;
+#elif HOST_LONG_BITS == 64 && TARGET_ABI_BITS == 64
+    case TYPE_PTRVOID:
+        qemu_log("0x%" PRIx64, tswap64(*(uint64_t *)arg));
+        break;
+    case TYPE_LONG:
+        qemu_log("%" PRId64, tswap64(*(uint64_t *)arg));
+        break;
+    case TYPE_ULONG:
+        qemu_log("%" PRIu64, tswap64(*(uint64_t *)arg));
+        break;
+#else
+    case TYPE_PTRVOID:
+        qemu_log("0x%" PRIx64, tswap64(*(uint64_t *)arg));
+        break;
+    case TYPE_LONG:
+        qemu_log("%" PRId64, tswap64(*(uint64_t *)arg));
+        break;
+    case TYPE_ULONG:
+        qemu_log("%" PRIu64, tswap64(*(uint64_t *)arg));
+        break;
+#endif
+    case TYPE_OLDDEVT:
+    {
+        uint64_t val = 0;
+        switch (thunk_type_size(type_ptr - 1, 1)) {
+        case 2:
+            val = *(uint16_t *)arg;
+            break;
+        case 4:
+            val = *(uint32_t *)arg;
+            break;
+        case 8:
+            val = *(uint64_t *)arg;
+            break;
+        }
+        switch (thunk_type_size(type_ptr - 1, 0)) {
+        case 2:
+            qemu_log("%" PRIu16, tswap16(val));
+            break;
+        case 4:
+            qemu_log("%" PRIu32, tswap32(val));
+            break;
+        case 8:
+            qemu_log("%" PRIu64, tswap64(val));
+            break;
+        }
+    }
+    break;
+    case TYPE_ARRAY:
+        {
+            int i, array_length, arg_size;
+            uint8_t *a;
+            int is_string = 0;
+
+            array_length = *type_ptr++;
+            arg_size = thunk_type_size(type_ptr, 0);
+            a = arg;
+
+            if (*type_ptr == TYPE_CHAR) {
+                qemu_log("\"");
+                is_string = 1;
+            } else {
+                qemu_log("[");
+            }
+
+            for (i = 0; i < array_length; i++) {
+                if (i > 0 && !is_string) {
+                    qemu_log(",");
+                }
+                thunk_print(a, type_ptr);
+                a += arg_size;
+            }
+
+            if (is_string) {
+                qemu_log("\"");
+            } else {
+                qemu_log("]");
+            }
+
+            type_ptr = thunk_type_next(type_ptr);
+        }
+        break;
+    case TYPE_STRUCT:
+        {
+            int i;
+            const StructEntry *se;
+            uint8_t  *a;
+            const argtype *field_types;
+            const int *arg_offsets;
+
+            se = struct_entries + *type_ptr++;
+
+            if (se->print != NULL) {
+                se->print(arg);
+            } else {
+                a = arg;
+
+                field_types = se->field_types;
+                arg_offsets = se->field_offsets[0];
+
+                qemu_log("{");
+                for (i = 0; i < se->nb_fields; i++) {
+                    if (i > 0) {
+                        qemu_log(",");
+                    }
+                    field_types = thunk_print(a + arg_offsets[i], field_types);
+                }
+                qemu_log("}");
+            }
+        }
+        break;
+    default:
+        g_assert_not_reached();
+    }
+    return type_ptr;
+}
+
 /* from em86 */
 
 /* Utility function: Table-driven functions to translate bitmasks
- * between X86 and Alpha formats...
+ * between host and target formats
  */
-unsigned int target_to_host_bitmask(unsigned int x86_mask,
-                                    bitmask_transtbl * trans_tbl)
+unsigned int target_to_host_bitmask(unsigned int target_mask,
+                                    const bitmask_transtbl * trans_tbl)
 {
-    bitmask_transtbl * btp;
-    unsigned int       alpha_mask = 0;
+    const bitmask_transtbl *btp;
+    unsigned int host_mask = 0;
 
-    for(btp = trans_tbl; btp->x86_mask && btp->alpha_mask; btp++) {
-       if((x86_mask & btp->x86_mask) == btp->x86_bits) {
-           alpha_mask |= btp->alpha_bits;
-       }
+    for (btp = trans_tbl; btp->target_mask && btp->host_mask; btp++) {
+        if ((target_mask & btp->target_mask) == btp->target_bits) {
+            host_mask |= btp->host_bits;
+        }
     }
-    return(alpha_mask);
+    return host_mask;
 }
 
-unsigned int host_to_target_bitmask(unsigned int alpha_mask,
-                                    bitmask_transtbl * trans_tbl)
+unsigned int host_to_target_bitmask(unsigned int host_mask,
+                                    const bitmask_transtbl * trans_tbl)
 {
-    bitmask_transtbl * btp;
-    unsigned int       x86_mask = 0;
+    const bitmask_transtbl *btp;
+    unsigned int target_mask = 0;
 
-    for(btp = trans_tbl; btp->x86_mask && btp->alpha_mask; btp++) {
-       if((alpha_mask & btp->alpha_mask) == btp->alpha_bits) {
-           x86_mask |= btp->x86_bits;
-       }
+    for (btp = trans_tbl; btp->target_mask && btp->host_mask; btp++) {
+        if ((host_mask & btp->host_mask) == btp->host_bits) {
+            target_mask |= btp->target_bits;
+        }
     }
-    return(x86_mask);
+    return target_mask;
 }
 
-#ifndef NO_THUNK_TYPE_SIZE
 int thunk_type_size_array(const argtype *type_ptr, int is_host)
 {
     return thunk_type_size(type_ptr, is_host);
@@ -285,4 +472,9 @@ int thunk_type_align_array(const argtype *type_ptr, int is_host)
 {
     return thunk_type_align(type_ptr, is_host);
 }
-#endif /* ndef NO_THUNK_TYPE_SIZE */
+
+void thunk_init(unsigned int max_structs)
+{
+    max_struct_entries = max_structs;
+    struct_entries = g_new0(StructEntry, max_structs);
+}