mesa: remove redundant api_loopback functions

[mesa.git] / src / mapi / entry_x86_tsd.h

diff --git a/src/mapi/entry_x86_tsd.h b/src/mapi/entry_x86_tsd.h
index c479c199e238a8f4778e71d83a6d814b2ddf8924..9526cdcef1a83ef3440f1cfcd7adab6e530b3dd5 100644 (file)
--- a/src/mapi/entry_x86_tsd.h
+++ b/src/mapi/entry_x86_tsd.h
@@ -1,6 +1,5 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.9
  *
  * Copyright (C) 2010 LunarG Inc.
  *
@@ -26,9 +25,13 @@
  *    Chia-I Wu <olv@lunarg.com>
  */
 
-#include "u_macros.h"
+#ifdef HAVE_FUNC_ATTRIBUTE_VISIBILITY
+#define HIDDEN __attribute__((visibility("hidden")))
+#else
+#define HIDDEN
+#endif
 
-#define X86_ENTRY_SIZE 32
+#define X86_ENTRY_SIZE 64
 
 __asm__(".text\n"
         ".balign 32\n"
@@ -41,12 +44,19 @@ __asm__(".text\n"
    func ":"
 
 #define STUB_ASM_CODE(slot)         \
-   "movl " ENTRY_CURRENT_TABLE ", %eax\n\t" \
+   "call 1f\n\t"                    \
+   "1:\n\t"                         \
+   "popl %ecx\n\t"                  \
+   "addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %ecx\n\t" \
+   "movl " ENTRY_CURRENT_TABLE "@GOT(%ecx), %eax\n\t" \
+   "mov (%eax), %eax\n\t"           \
    "testl %eax, %eax\n\t"           \
-   "je 1f\n\t"                      \
-   "jmp *(4 * " slot ")(%eax)\n"    \
+   "jne 1f\n\t"                     \
+   "push %ebx\n\t"                  \
+   "movl %ecx, %ebx\n\t"            \
+   "call " ENTRY_CURRENT_TABLE_GET "@PLT\n\t" \
+   "popl %ebx\n\t"                  \
    "1:\n\t"                         \
-   "call " ENTRY_CURRENT_TABLE_GET "\n\t" \
    "jmp *(4 * " slot ")(%eax)"
 
 #define MAPI_TMP_STUB_ASM_GCC
@@ -60,8 +70,8 @@ __asm__(".balign 32\n"
 #include <string.h>
 #include "u_execmem.h"
 
-static const char x86_entry_start[];
-static const char x86_entry_end[];
+extern const char x86_entry_start[] HIDDEN;
+extern const char x86_entry_end[] HIDDEN;
 
 void
 entry_patch_public(void)