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authorMatt Turner <[email protected]>2013-01-21 10:27:25 -0800
committerMatt Turner <[email protected]>2013-04-15 12:04:25 -0700
commitd5e9426b9605264608e0b1204ebf818103f1f011 (patch)
tree3031ccdbd85b35529129f5cef87c8779be5f8782 /src/mapi/entry_x86_tsd.h
parent3c690524e2ec0fdd6bef6d50897d6879fdb8b53b (diff)
build: Move src/mapi/mapi/* to src/mapi/
Tested-by: Emil Velikov <[email protected]> Reviewed-and-Tested-by: Andreas Boll <[email protected]> Reviewed-by: Jordan Justen <[email protected]>
Diffstat (limited to 'src/mapi/entry_x86_tsd.h')
-rw-r--r--src/mapi/entry_x86_tsd.h104
1 files changed, 104 insertions, 0 deletions
diff --git a/src/mapi/entry_x86_tsd.h b/src/mapi/entry_x86_tsd.h
new file mode 100644
index 00000000000..c479c199e23
--- /dev/null
+++ b/src/mapi/entry_x86_tsd.h
@@ -0,0 +1,104 @@
+/*
+ * 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 <[email protected]>
+ */
+
+#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"
+
+static const char x86_entry_start[];
+static const char x86_entry_end[];
+
+void
+entry_patch_public(void)
+{
+}
+
+mapi_func
+entry_get_public(int slot)
+{
+ 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)
+{
+ 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 */