M: Riku Voipio <riku.voipio@iki.fi>
S: Maintained
F: accel/tcg/user-exec*.c
-F: include/exec/user/
F: include/user/
F: common-user/
extern char **environ;
-#include "exec/user/thunk.h"
+#include "user/thunk.h"
#include "target_arch.h"
#include "syscall_defs.h"
#include "target_syscall.h"
+++ /dev/null
-/*
- * Generic thunking code to convert data between host and target CPU
- *
- * Copyright (c) 2003 Fabrice Bellard
- *
- * 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 2.1 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
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * 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, see <http://www.gnu.org/licenses/>.
- */
-
-#ifndef THUNK_H
-#define THUNK_H
-
-#include "cpu.h"
-#include "user/abitypes.h"
-
-/* types enums definitions */
-
-typedef enum argtype {
- TYPE_NULL,
- TYPE_CHAR,
- TYPE_SHORT,
- TYPE_INT,
- TYPE_LONG,
- TYPE_ULONG,
- TYPE_PTRVOID, /* pointer on unknown data */
- TYPE_LONGLONG,
- TYPE_ULONGLONG,
- TYPE_PTR,
- TYPE_ARRAY,
- TYPE_STRUCT,
- TYPE_OLDDEVT,
-} argtype;
-
-#define MK_PTR(type) TYPE_PTR, type
-#define MK_ARRAY(type, size) TYPE_ARRAY, (int)(size), type
-#define MK_STRUCT(id) TYPE_STRUCT, id
-
-#define THUNK_TARGET 0
-#define THUNK_HOST 1
-
-typedef struct {
- /* standard struct handling */
- const argtype *field_types;
- int nb_fields;
- int *field_offsets[2];
- /* special handling */
- void (*convert[2])(void *dst, const void *src);
- void (*print)(void *arg);
- int size[2];
- int align[2];
- const char *name;
-} StructEntry;
-
-/* Translation table for bitmasks... */
-typedef struct bitmask_transtbl {
- unsigned int target_mask;
- unsigned int target_bits;
- unsigned int host_mask;
- unsigned int host_bits;
-} bitmask_transtbl;
-
-void thunk_register_struct(int id, const char *name, const argtype *types);
-void thunk_register_struct_direct(int id, const char *name,
- const StructEntry *se1);
-const argtype *thunk_convert(void *dst, const void *src,
- const argtype *type_ptr, int to_host);
-const argtype *thunk_print(void *arg, const argtype *type_ptr);
-
-extern StructEntry *struct_entries;
-
-int thunk_type_size_array(const argtype *type_ptr, int is_host);
-int thunk_type_align_array(const argtype *type_ptr, int is_host);
-
-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 sizeof(void *);
- } else {
- return TARGET_ABI_BITS / 8;
- }
- break;
- case TYPE_OLDDEVT:
- if (is_host) {
-#if defined(HOST_X86_64)
- return 8;
-#elif defined(HOST_MIPS) || defined(HOST_SPARC64)
- return 4;
-#elif defined(HOST_PPC)
- return sizeof(void *);
-#else
- return 2;
-#endif
- } else {
-#if defined(TARGET_X86_64)
- return 8;
-#elif defined(TARGET_ALPHA) || defined(TARGET_IA64) || defined(TARGET_MIPS) || \
- defined(TARGET_PARISC) || defined(TARGET_SPARC64)
- return 4;
-#elif defined(TARGET_PPC)
- return TARGET_ABI_BITS / 8;
-#else
- return 2;
-#endif
- }
- break;
- case TYPE_ARRAY:
- size = type_ptr[1];
- return size * thunk_type_size_array(type_ptr + 2, is_host);
- case TYPE_STRUCT:
- se = struct_entries + type_ptr[1];
- return se->size[is_host];
- default:
- g_assert_not_reached();
- }
-}
-
-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:
- if (is_host) {
- return __alignof__(short);
- } else {
- return ABI_SHORT_ALIGNMENT;
- }
- case TYPE_INT:
- if (is_host) {
- return __alignof__(int);
- } else {
- return ABI_INT_ALIGNMENT;
- }
- case TYPE_LONGLONG:
- case TYPE_ULONGLONG:
- if (is_host) {
- return __alignof__(long long);
- } else {
- return ABI_LLONG_ALIGNMENT;
- }
- case TYPE_LONG:
- case TYPE_ULONG:
- case TYPE_PTRVOID:
- case TYPE_PTR:
- if (is_host) {
- return __alignof__(long);
- } else {
- return ABI_LONG_ALIGNMENT;
- }
- break;
- case TYPE_OLDDEVT:
- return thunk_type_size(type_ptr, is_host);
- case TYPE_ARRAY:
- return thunk_type_align_array(type_ptr + 2, is_host);
- case TYPE_STRUCT:
- se = struct_entries + type_ptr[1];
- return se->align[is_host];
- default:
- g_assert_not_reached();
- }
-}
-
-unsigned int target_to_host_bitmask_len(unsigned int target_mask,
- const bitmask_transtbl *trans_tbl,
- size_t trans_len);
-unsigned int host_to_target_bitmask_len(unsigned int host_mask,
- const bitmask_transtbl * trans_tbl,
- size_t trans_len);
-
-#define target_to_host_bitmask(M, T) \
- target_to_host_bitmask_len(M, T, ARRAY_SIZE(T))
-#define host_to_target_bitmask(M, T) \
- host_to_target_bitmask_len(M, T, ARRAY_SIZE(T))
-
-void thunk_init(unsigned int max_structs);
-
-#endif
--- /dev/null
+/*
+ * Generic thunking code to convert data between host and target CPU
+ *
+ * Copyright (c) 2003 Fabrice Bellard
+ *
+ * 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 2.1 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
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * 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, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef USER_THUNK_H
+#define USER_THUNK_H
+
+#ifndef CONFIG_USER_ONLY
+#error Cannot include this header from system emulation
+#endif
+
+#include "cpu.h"
+#include "user/abitypes.h"
+
+/* types enums definitions */
+
+typedef enum argtype {
+ TYPE_NULL,
+ TYPE_CHAR,
+ TYPE_SHORT,
+ TYPE_INT,
+ TYPE_LONG,
+ TYPE_ULONG,
+ TYPE_PTRVOID, /* pointer on unknown data */
+ TYPE_LONGLONG,
+ TYPE_ULONGLONG,
+ TYPE_PTR,
+ TYPE_ARRAY,
+ TYPE_STRUCT,
+ TYPE_OLDDEVT,
+} argtype;
+
+#define MK_PTR(type) TYPE_PTR, type
+#define MK_ARRAY(type, size) TYPE_ARRAY, (int)(size), type
+#define MK_STRUCT(id) TYPE_STRUCT, id
+
+#define THUNK_TARGET 0
+#define THUNK_HOST 1
+
+typedef struct {
+ /* standard struct handling */
+ const argtype *field_types;
+ int nb_fields;
+ int *field_offsets[2];
+ /* special handling */
+ void (*convert[2])(void *dst, const void *src);
+ void (*print)(void *arg);
+ int size[2];
+ int align[2];
+ const char *name;
+} StructEntry;
+
+/* Translation table for bitmasks... */
+typedef struct bitmask_transtbl {
+ unsigned int target_mask;
+ unsigned int target_bits;
+ unsigned int host_mask;
+ unsigned int host_bits;
+} bitmask_transtbl;
+
+void thunk_register_struct(int id, const char *name, const argtype *types);
+void thunk_register_struct_direct(int id, const char *name,
+ const StructEntry *se1);
+const argtype *thunk_convert(void *dst, const void *src,
+ const argtype *type_ptr, int to_host);
+const argtype *thunk_print(void *arg, const argtype *type_ptr);
+
+extern StructEntry *struct_entries;
+
+int thunk_type_size_array(const argtype *type_ptr, int is_host);
+int thunk_type_align_array(const argtype *type_ptr, int is_host);
+
+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 sizeof(void *);
+ } else {
+ return TARGET_ABI_BITS / 8;
+ }
+ break;
+ case TYPE_OLDDEVT:
+ if (is_host) {
+#if defined(HOST_X86_64)
+ return 8;
+#elif defined(HOST_MIPS) || defined(HOST_SPARC64)
+ return 4;
+#elif defined(HOST_PPC)
+ return sizeof(void *);
+#else
+ return 2;
+#endif
+ } else {
+#if defined(TARGET_X86_64)
+ return 8;
+#elif defined(TARGET_ALPHA) || defined(TARGET_IA64) || defined(TARGET_MIPS) || \
+ defined(TARGET_PARISC) || defined(TARGET_SPARC64)
+ return 4;
+#elif defined(TARGET_PPC)
+ return TARGET_ABI_BITS / 8;
+#else
+ return 2;
+#endif
+ }
+ break;
+ case TYPE_ARRAY:
+ size = type_ptr[1];
+ return size * thunk_type_size_array(type_ptr + 2, is_host);
+ case TYPE_STRUCT:
+ se = struct_entries + type_ptr[1];
+ return se->size[is_host];
+ default:
+ g_assert_not_reached();
+ }
+}
+
+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:
+ if (is_host) {
+ return __alignof__(short);
+ } else {
+ return ABI_SHORT_ALIGNMENT;
+ }
+ case TYPE_INT:
+ if (is_host) {
+ return __alignof__(int);
+ } else {
+ return ABI_INT_ALIGNMENT;
+ }
+ case TYPE_LONGLONG:
+ case TYPE_ULONGLONG:
+ if (is_host) {
+ return __alignof__(long long);
+ } else {
+ return ABI_LLONG_ALIGNMENT;
+ }
+ case TYPE_LONG:
+ case TYPE_ULONG:
+ case TYPE_PTRVOID:
+ case TYPE_PTR:
+ if (is_host) {
+ return __alignof__(long);
+ } else {
+ return ABI_LONG_ALIGNMENT;
+ }
+ break;
+ case TYPE_OLDDEVT:
+ return thunk_type_size(type_ptr, is_host);
+ case TYPE_ARRAY:
+ return thunk_type_align_array(type_ptr + 2, is_host);
+ case TYPE_STRUCT:
+ se = struct_entries + type_ptr[1];
+ return se->align[is_host];
+ default:
+ g_assert_not_reached();
+ }
+}
+
+unsigned int target_to_host_bitmask_len(unsigned int target_mask,
+ const bitmask_transtbl *trans_tbl,
+ size_t trans_len);
+unsigned int host_to_target_bitmask_len(unsigned int host_mask,
+ const bitmask_transtbl * trans_tbl,
+ size_t trans_len);
+
+#define target_to_host_bitmask(M, T) \
+ target_to_host_bitmask_len(M, T, ARRAY_SIZE(T))
+#define host_to_target_bitmask(M, T) \
+ host_to_target_bitmask_len(M, T, ARRAY_SIZE(T))
+
+void thunk_init(unsigned int max_structs);
+
+#endif
#include "qemu/log.h"
#include "qemu.h"
-#include "exec/user/thunk.h"
+#include "user/thunk.h"
//#define DEBUG
#ifndef LINUX_USER_USER_INTERNALS_H
#define LINUX_USER_USER_INTERNALS_H
-#include "exec/user/thunk.h"
+#include "user/thunk.h"
#include "exec/exec-all.h"
#include "exec/tb-flush.h"
#include "qemu/log.h"