diff options
Diffstat (limited to 'mesalib/src/mapi/mapi/entry_x86_tsd.h')
| -rw-r--r-- | mesalib/src/mapi/mapi/entry_x86_tsd.h | 201 |
1 files changed, 103 insertions, 98 deletions
diff --git a/mesalib/src/mapi/mapi/entry_x86_tsd.h b/mesalib/src/mapi/mapi/entry_x86_tsd.h index 752be5528..1491478d4 100644 --- a/mesalib/src/mapi/mapi/entry_x86_tsd.h +++ b/mesalib/src/mapi/mapi/entry_x86_tsd.h @@ -1,98 +1,103 @@ -/*
- * Mesa 3-D graphics library
- * Version: 7.9
- *
- * Copyright (C) 2010 LunarG Inc.
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
- * DEALINGS IN THE SOFTWARE.
- *
- * Authors:
- * Chia-I Wu <olv@lunarg.com>
- */
-
-#include <string.h>
-#include "u_execmem.h"
-#include "u_macros.h"
-
-#define X86_ENTRY_SIZE 32
-
-__asm__(".text\n"
- ".balign 32\n"
- "x86_entry_start:");
-
-#define STUB_ASM_ENTRY(func) \
- ".globl " func "\n" \
- ".type " func ", @function\n" \
- ".balign 32\n" \
- func ":"
-
-#define STUB_ASM_CODE(slot) \
- "movl u_current_table, %eax\n\t" \
- "testl %eax, %eax\n\t" \
- "je 1f\n\t" \
- "jmp *(4 * " slot ")(%eax)\n" \
- "1:\n\t" \
- "call u_current_get_internal\n\t"\
- "jmp *(4 * " slot ")(%eax)"
-
-#define MAPI_TMP_STUB_ASM_GCC
-#include "mapi_tmp.h"
-
-__asm__(".balign 32\n"
- "x86_entry_end:");
-
-void
-entry_patch_public(void)
-{
-}
-
-mapi_func
-entry_get_public(int slot)
-{
- extern const char x86_entry_start[];
- return (mapi_func) (x86_entry_start + slot * X86_ENTRY_SIZE);
-}
-
-void
-entry_patch(mapi_func entry, int slot)
-{
- char *code = (char *) entry;
-
- *((unsigned long *) (code + 11)) = slot * sizeof(mapi_func);
- *((unsigned long *) (code + 22)) = slot * sizeof(mapi_func);
-}
-
-mapi_func
-entry_generate(int slot)
-{
- extern const char x86_entry_end[];
- const char *code_templ = x86_entry_end - X86_ENTRY_SIZE;
- void *code;
- mapi_func entry;
-
- code = u_execmem_alloc(X86_ENTRY_SIZE);
- if (!code)
- return NULL;
-
- memcpy(code, code_templ, X86_ENTRY_SIZE);
- entry = (mapi_func) code;
- entry_patch(entry, slot);
-
- return entry;
-}
+/* + * Mesa 3-D graphics library + * Version: 7.9 + * + * Copyright (C) 2010 LunarG Inc. + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included + * in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER + * DEALINGS IN THE SOFTWARE. + * + * Authors: + * Chia-I Wu <olv@lunarg.com> + */ + +#include "u_macros.h" + +#define X86_ENTRY_SIZE 32 + +__asm__(".text\n" + ".balign 32\n" + "x86_entry_start:"); + +#define STUB_ASM_ENTRY(func) \ + ".globl " func "\n" \ + ".type " func ", @function\n" \ + ".balign 32\n" \ + func ":" + +#define STUB_ASM_CODE(slot) \ + "movl " ENTRY_CURRENT_TABLE ", %eax\n\t" \ + "testl %eax, %eax\n\t" \ + "je 1f\n\t" \ + "jmp *(4 * " slot ")(%eax)\n" \ + "1:\n\t" \ + "call " ENTRY_CURRENT_TABLE_GET "\n\t" \ + "jmp *(4 * " slot ")(%eax)" + +#define MAPI_TMP_STUB_ASM_GCC +#include "mapi_tmp.h" + +#ifndef MAPI_MODE_BRIDGE + +__asm__(".balign 32\n" + "x86_entry_end:"); + +#include <string.h> +#include "u_execmem.h" + +void +entry_patch_public(void) +{ +} + +mapi_func +entry_get_public(int slot) +{ + extern const char x86_entry_start[]; + return (mapi_func) (x86_entry_start + slot * X86_ENTRY_SIZE); +} + +void +entry_patch(mapi_func entry, int slot) +{ + char *code = (char *) entry; + + *((unsigned long *) (code + 11)) = slot * sizeof(mapi_func); + *((unsigned long *) (code + 22)) = slot * sizeof(mapi_func); +} + +mapi_func +entry_generate(int slot) +{ + extern const char x86_entry_end[]; + const char *code_templ = x86_entry_end - X86_ENTRY_SIZE; + void *code; + mapi_func entry; + + code = u_execmem_alloc(X86_ENTRY_SIZE); + if (!code) + return NULL; + + memcpy(code, code_templ, X86_ENTRY_SIZE); + entry = (mapi_func) code; + entry_patch(entry, slot); + + return entry; +} + +#endif /* MAPI_MODE_BRIDGE */ |