auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 288 deletions

diff --git a/thunk.c b/thunk.c
deleted file mode 100644
index 7331aeb..0000000
--- a/thunk.c
+++ /dev/null
@@ -1,288 +0,0 @@
-/*
- *  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 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, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-#include <stdlib.h>
-#include <stdio.h>
-#include <stdarg.h>
-
-#include "qemu.h"
-#include "thunk.h"
-
-//#define DEBUG
-
-#define MAX_STRUCTS 128
-
-/* XXX: make it dynamic */
-StructEntry struct_entries[MAX_STRUCTS];
-
-static const argtype *thunk_type_next_ptr(const argtype *type_ptr);
-
-static inline const argtype *thunk_type_next(const argtype *type_ptr)
-{
-    int type;
-
-    type = *type_ptr++;
-    switch(type) {
-    case TYPE_CHAR:
-    case TYPE_SHORT:
-    case TYPE_INT:
-    case TYPE_LONGLONG:
-    case TYPE_ULONGLONG:
-    case TYPE_LONG:
-    case TYPE_ULONG:
-    case TYPE_PTRVOID:
-        return type_ptr;
-    case TYPE_PTR:
-        return thunk_type_next_ptr(type_ptr);
-    case TYPE_ARRAY:
-        return thunk_type_next_ptr(type_ptr + 1);
-    case TYPE_STRUCT:
-        return type_ptr + 1;
-    default:
-        return NULL;
-    }
-}
-
-static const argtype *thunk_type_next_ptr(const argtype *type_ptr)
-{
-    return thunk_type_next(type_ptr);
-}
-
-void thunk_register_struct(int id, const char *name, const argtype *types)
-{
-    const argtype *type_ptr;
-    StructEntry *se;
-    int nb_fields, offset, max_align, align, size, i, j;
-
-    se = struct_entries + id;
-
-    /* first we count the number of fields */
-    type_ptr = types;
-    nb_fields = 0;
-    while (*type_ptr != TYPE_NULL) {
-        type_ptr = thunk_type_next(type_ptr);
-        nb_fields++;
-    }
-    se->field_types = types;
-    se->nb_fields = nb_fields;
-    se->name = name;
-#ifdef DEBUG
-    printf("struct %s: id=%d nb_fields=%d\n",
-           se->name, id, se->nb_fields);
-#endif
-    /* now we can alloc the data */
-
-    for(i = 0;i < 2; i++) {
-        offset = 0;
-        max_align = 1;
-        se->field_offsets[i] = malloc(nb_fields * sizeof(int));
-        type_ptr = se->field_types;
-        for(j = 0;j < nb_fields; j++) {
-            size = thunk_type_size(type_ptr, i);
-            align = thunk_type_align(type_ptr, i);
-            offset = (offset + align - 1) & ~(align - 1);
-            se->field_offsets[i][j] = offset;
-            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;
-        se->align[i] = max_align;
-#ifdef DEBUG
-        printf("%s: size=%d align=%d\n",
-               i == THUNK_HOST ? "host" : "target", offset, max_align);
-#endif
-    }
-}
-
-void thunk_register_struct_direct(int id, const char *name, StructEntry *se1)
-{
-    StructEntry *se;
-    se = struct_entries + id;
-    *se = *se1;
-    se->name = name;
-}
-
-
-/* now we can define the main conversion functions */
-const argtype *thunk_convert(void *dst, const void *src,
-                             const argtype *type_ptr, int to_host)
-{
-    int type;
-
-    type = *type_ptr++;
-    switch(type) {
-    case TYPE_CHAR:
-        *(uint8_t *)dst = *(uint8_t *)src;
-        break;
-    case TYPE_SHORT:
-        *(uint16_t *)dst = tswap16(*(uint16_t *)src);
-        break;
-    case TYPE_INT:
-        *(uint32_t *)dst = tswap32(*(uint32_t *)src);
-        break;
-    case TYPE_LONGLONG:
-    case TYPE_ULONGLONG:
-        *(uint64_t *)dst = tswap64(*(uint64_t *)src);
-        break;
-#if HOST_LONG_BITS == 32 && TARGET_ABI_BITS == 32
-    case TYPE_LONG:
-    case TYPE_ULONG:
-    case TYPE_PTRVOID:
-        *(uint32_t *)dst = tswap32(*(uint32_t *)src);
-        break;
-#elif HOST_LONG_BITS == 64 && TARGET_ABI_BITS == 32
-    case TYPE_LONG:
-    case TYPE_ULONG:
-    case TYPE_PTRVOID:
-        if (to_host) {
-            if (type == TYPE_LONG) {
-                /* sign extension */
-                *(uint64_t *)dst = (int32_t)tswap32(*(uint32_t *)src);
-            } else {
-                *(uint64_t *)dst = tswap32(*(uint32_t *)src);
-            }
-        } else {
-            *(uint32_t *)dst = tswap32(*(uint64_t *)src & 0xffffffff);
-        }
-        break;
-#elif HOST_LONG_BITS == 64 && TARGET_ABI_BITS == 64
-    case TYPE_LONG:
-    case TYPE_ULONG:
-    case TYPE_PTRVOID:
-        *(uint64_t *)dst = tswap64(*(uint64_t *)src);
-        break;
-#elif HOST_LONG_BITS == 32 && TARGET_ABI_BITS == 64
-    case TYPE_LONG:
-    case TYPE_ULONG:
-    case TYPE_PTRVOID:
-        if (to_host) {
-            *(uint32_t *)dst = tswap64(*(uint64_t *)src);
-        } else {
-            if (type == TYPE_LONG) {
-                /* sign extension */
-                *(uint64_t *)dst = tswap64(*(int32_t *)src);
-            } else {
-                *(uint64_t *)dst = tswap64(*(uint32_t *)src);
-            }
-        }
-        break;
-#else
-#warning unsupported conversion
-#endif
-    case TYPE_ARRAY:
-        {
-            int array_length, i, dst_size, src_size;
-            const uint8_t *s;
-            uint8_t  *d;
-
-            array_length = *type_ptr++;
-            dst_size = thunk_type_size(type_ptr, to_host);
-            src_size = thunk_type_size(type_ptr, 1 - to_host);
-            d = dst;
-            s = src;
-            for(i = 0;i < array_length; i++) {
-                thunk_convert(d, s, type_ptr, to_host);
-                d += dst_size;
-                s += src_size;
-            }
-            type_ptr = thunk_type_next(type_ptr);
-        }
-        break;
-    case TYPE_STRUCT:
-        {
-            int i;
-            const StructEntry *se;
-            const uint8_t *s;
-            uint8_t  *d;
-            const argtype *field_types;
-            const int *dst_offsets, *src_offsets;
-
-            se = struct_entries + *type_ptr++;
-            if (se->convert[0] != NULL) {
-                /* specific conversion is needed */
-                (*se->convert[to_host])(dst, src);
-            } else {
-                /* standard struct conversion */
-                field_types = se->field_types;
-                dst_offsets = se->field_offsets[to_host];
-                src_offsets = se->field_offsets[1 - to_host];
-                d = dst;
-                s = src;
-                for(i = 0;i < se->nb_fields; i++) {
-                    field_types = thunk_convert(d + dst_offsets[i],
-                                                s + src_offsets[i],
-                                                field_types, to_host);
-                }
-            }
-        }
-        break;
-    default:
-        fprintf(stderr, "Invalid type 0x%x\n", type);
-        break;
-    }
-    return type_ptr;
-}
-
-/* from em86 */
-
-/* Utility function: Table-driven functions to translate bitmasks
- * between X86 and Alpha formats...
- */
-unsigned int target_to_host_bitmask(unsigned int x86_mask,
-                                    bitmask_transtbl * trans_tbl)
-{
-    bitmask_transtbl *	btp;
-    unsigned int	alpha_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;
-	}
-    }
-    return(alpha_mask);
-}
-
-unsigned int host_to_target_bitmask(unsigned int alpha_mask,
-                                    bitmask_transtbl * trans_tbl)
-{
-    bitmask_transtbl *	btp;
-    unsigned int	x86_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;
-	}
-    }
-    return(x86_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);
-}
-
-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 */