Mesa (master): mapi: Prefix functions in u_current.h by u_current.

Chia-I Wu olv at kemper.freedesktop.org
Sat Aug 21 07:01:29 UTC 2010


Module: Mesa
Branch: master
Commit: df98423f24bca147b36076e39fe53f42028052ef
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=df98423f24bca147b36076e39fe53f42028052ef

Author: Chia-I Wu <olv at lunarg.com>
Date:   Sat Aug 21 12:10:02 2010 +0800

mapi: Prefix functions in u_current.h by u_current.

That is, replace the old _glapi_* names by new names that start with
u_current_.  When MAPI_GLAPI_CURRENT is defined, u_current.h defines
rename macros to restore the old names.  That is done for ABI
compatibility.

---

 src/mapi/mapi/entry_x86-64_tls.h |    4 +-
 src/mapi/mapi/entry_x86_tls.h    |    2 +-
 src/mapi/mapi/entry_x86_tsd.h    |    4 +-
 src/mapi/mapi/u_current.c        |   93 +++++++++++++++++++------------------
 src/mapi/mapi/u_current.h        |   70 +++++++++++++++++------------
 5 files changed, 94 insertions(+), 79 deletions(-)

diff --git a/src/mapi/mapi/entry_x86-64_tls.h b/src/mapi/mapi/entry_x86-64_tls.h
index d4c9907..0f6e812 100644
--- a/src/mapi/mapi/entry_x86-64_tls.h
+++ b/src/mapi/mapi/entry_x86-64_tls.h
@@ -33,7 +33,7 @@
 __asm__(".text");
 
 __asm__("x86_64_current_tls:\n\t"
-	"movq _glapi_tls_Dispatch at GOTTPOFF(%rip), %rax\n\t"
+	"movq u_current_table_tls at GOTTPOFF(%rip), %rax\n\t"
 	"ret");
 
 #define STUB_ASM_ENTRY(func)                             \
@@ -43,7 +43,7 @@ __asm__("x86_64_current_tls:\n\t"
    func ":"
 
 #define STUB_ASM_CODE(slot)                              \
-   "movq _glapi_tls_Dispatch at GOTTPOFF(%rip), %rax\n\t"   \
+   "movq u_current_table_tls at GOTTPOFF(%rip), %rax\n\t"   \
    "movq %fs:(%rax), %r11\n\t"                           \
    "jmp *(8 * " slot ")(%r11)"
 
diff --git a/src/mapi/mapi/entry_x86_tls.h b/src/mapi/mapi/entry_x86_tls.h
index de04981..ff2b957 100644
--- a/src/mapi/mapi/entry_x86_tls.h
+++ b/src/mapi/mapi/entry_x86_tls.h
@@ -37,7 +37,7 @@ __asm__("x86_current_tls:\n\t"
         "1:\n\t"
         "popl %eax\n\t"
 	"addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %eax\n\t"
-	"movl _glapi_tls_Dispatch at GOTNTPOFF(%eax), %eax\n\t"
+	"movl u_current_table_tls at GOTNTPOFF(%eax), %eax\n\t"
 	"ret");
 
 #ifndef GLX_X86_READONLY_TEXT
diff --git a/src/mapi/mapi/entry_x86_tsd.h b/src/mapi/mapi/entry_x86_tsd.h
index d31e067..fbf4ec5 100644
--- a/src/mapi/mapi/entry_x86_tsd.h
+++ b/src/mapi/mapi/entry_x86_tsd.h
@@ -41,12 +41,12 @@ __asm__(".text");
    func ":"
 
 #define STUB_ASM_CODE(slot)         \
-   "movl _glapi_Dispatch, %eax\n\t" \
+   "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 _glapi_get_dispatch\n\t"   \
+   "call u_current_get_internal\n\t"\
    "jmp *(4 * " slot ")(%eax)"
 
 #define MAPI_TMP_STUB_ASM_GCC
diff --git a/src/mapi/mapi/u_current.c b/src/mapi/mapi/u_current.c
index 91547c4..ed9ccfe 100644
--- a/src/mapi/mapi/u_current.c
+++ b/src/mapi/mapi/u_current.c
@@ -99,25 +99,25 @@ extern void (*__glapi_noop_table[])(void);
 /*@{*/
 #if defined(GLX_USE_TLS)
 
-__thread struct _glapi_table *_glapi_tls_Dispatch
+__thread struct mapi_table *u_current_table_tls
     __attribute__((tls_model("initial-exec")))
-    = (struct _glapi_table *) table_noop_array;
+    = (struct mapi_table *) table_noop_array;
 
-__thread void * _glapi_tls_Context
+__thread void *u_current_user_tls
     __attribute__((tls_model("initial-exec")));
 
-const struct _glapi_table *_glapi_Dispatch;
-const void *_glapi_Context;
+const struct mapi_table *u_current_table;
+const void *u_current_user;
 
 #else
 
-struct _glapi_table *_glapi_Dispatch =
-   (struct _glapi_table *) table_noop_array;
-void *_glapi_Context;
+struct mapi_table *u_current_table =
+   (struct mapi_table *) table_noop_array;
+void *u_current_user;
 
 #ifdef THREADS
-struct u_tsd _gl_DispatchTSD;
-static struct u_tsd ContextTSD;
+struct u_tsd u_current_table_tsd;
+static struct u_tsd u_current_user_tsd;
 static int ThreadSafe;
 #endif /* THREADS */
 
@@ -126,11 +126,11 @@ static int ThreadSafe;
 
 
 void
-_glapi_destroy_multithread(void)
+u_current_destroy(void)
 {
 #if defined(THREADS) && defined(WIN32_THREADS)
-   u_tsd_destroy(&_gl_DispatchTSD);
-   u_tsd_destroy(&ContextTSD);
+   u_tsd_destroy(&u_current_table_tsd);
+   u_tsd_destroy(&u_current_user_tsd);
 #endif
 }
 
@@ -138,10 +138,10 @@ _glapi_destroy_multithread(void)
 #if defined(THREADS) && !defined(GLX_USE_TLS)
 
 static void
-_glapi_init_multithread(void)
+u_current_init_tsd(void)
 {
-   u_tsd_init(&_gl_DispatchTSD);
-   u_tsd_init(&ContextTSD);
+   u_tsd_init(&u_current_table_tsd);
+   u_tsd_init(&u_current_user_tsd);
 }
 
 /**
@@ -162,7 +162,7 @@ u_mutex_declare_static(ThreadCheckMutex);
  * in order to test if multiple threads are being used.
  */
 void
-_glapi_check_multithread(void)
+u_current_init(void)
 {
    static unsigned long knownID;
    static int firstCall = 1;
@@ -172,15 +172,15 @@ _glapi_check_multithread(void)
 
    CHECK_MULTITHREAD_LOCK();
    if (firstCall) {
-      _glapi_init_multithread();
+      u_current_init_tsd();
 
       knownID = u_thread_self();
       firstCall = 0;
    }
    else if (knownID != u_thread_self()) {
       ThreadSafe = 1;
-      _glapi_set_dispatch(NULL);
-      _glapi_set_context(NULL);
+      u_current_set_internal(NULL);
+      u_current_set_user_internal(NULL);
    }
    CHECK_MULTITHREAD_UNLOCK();
 }
@@ -188,7 +188,7 @@ _glapi_check_multithread(void)
 #else
 
 void
-_glapi_check_multithread(void)
+u_current_init(void)
 {
 }
 
@@ -202,15 +202,17 @@ _glapi_check_multithread(void)
  * void from the real context pointer type.
  */
 void
-_glapi_set_context(void *context)
+u_current_set_user_internal(void *ptr)
 {
+   u_current_init();
+
 #if defined(GLX_USE_TLS)
-   _glapi_tls_Context = context;
+   u_current_user_tls = ptr;
 #elif defined(THREADS)
-   u_tsd_set(&ContextTSD, context);
-   _glapi_Context = (ThreadSafe) ? NULL : context;
+   u_tsd_set(&u_current_user_tsd, ptr);
+   u_current_user = (ThreadSafe) ? NULL : ptr;
 #else
-   _glapi_Context = context;
+   u_current_user = ptr;
 #endif
 }
 
@@ -220,16 +222,16 @@ _glapi_set_context(void *context)
  * void to the real context pointer type.
  */
 void *
-_glapi_get_context(void)
+u_current_get_user_internal(void)
 {
 #if defined(GLX_USE_TLS)
-   return _glapi_tls_Context;
+   return u_current_user_tls;
 #elif defined(THREADS)
    return (ThreadSafe)
-      ? u_tsd_get(&ContextTSD)
-      : _glapi_Context;
+      ? u_tsd_get(&u_current_user_tsd)
+      : u_current_user;
 #else
-   return _glapi_Context;
+   return u_current_user;
 #endif
 }
 
@@ -239,36 +241,37 @@ _glapi_get_context(void)
  * table (__glapi_noop_table).
  */
 void
-_glapi_set_dispatch(struct _glapi_table *dispatch)
+u_current_set_internal(struct mapi_table *tbl)
 {
+   u_current_init();
+
    stub_init_once();
 
-   if (!dispatch)
-      dispatch = (struct _glapi_table *) table_noop_array;
+   if (!tbl)
+      tbl = (struct mapi_table *) table_noop_array;
 
 #if defined(GLX_USE_TLS)
-   _glapi_tls_Dispatch = dispatch;
+   u_current_table_tls = tbl;
 #elif defined(THREADS)
-   u_tsd_set(&_gl_DispatchTSD, (void *) dispatch);
-   _glapi_Dispatch = (ThreadSafe) ? NULL : dispatch;
+   u_tsd_set(&u_current_table_tsd, (void *) tbl);
+   u_current_table = (ThreadSafe) ? NULL : tbl;
 #else
-   _glapi_Dispatch = dispatch;
+   u_current_table = tbl;
 #endif
 }
 
 /**
  * Return pointer to current dispatch table for calling thread.
  */
-struct _glapi_table *
-_glapi_get_dispatch(void)
+struct mapi_table *
+u_current_get_internal(void)
 {
 #if defined(GLX_USE_TLS)
-   return _glapi_tls_Dispatch;
+   return u_current_table_tls;
 #elif defined(THREADS)
-   return (ThreadSafe)
-      ? (struct _glapi_table *) u_tsd_get(&_gl_DispatchTSD)
-      : _glapi_Dispatch;
+   return (struct mapi_table *) ((ThreadSafe) ?
+         u_tsd_get(&u_current_table_tsd) : (void *) u_current_table);
 #else
-   return _glapi_Dispatch;
+   return u_current_table;
 #endif
 }
diff --git a/src/mapi/mapi/u_current.h b/src/mapi/mapi/u_current.h
index a6bd9f0..62e54c6 100644
--- a/src/mapi/mapi/u_current.h
+++ b/src/mapi/mapi/u_current.h
@@ -1,87 +1,99 @@
 #ifndef _U_CURRENT_H_
 #define _U_CURRENT_H_
 
-#include "u_compiler.h"
-
 #ifdef MAPI_GLAPI_CURRENT
 
 #include "glapi/glapi.h"
 
+/* ugly renames to match glapi.h */
+#define mapi_table _glapi_table
+
+#define u_current_table_tls _glapi_tls_Dispatch
+#define u_current_user_tls _glapi_tls_Context
+#define u_current_table _glapi_Dispatch
+#define u_current_user _glapi_Context
+
+#define u_current_destroy _glapi_destroy_multithread
+#define u_current_init _glapi_check_multithread
+#define u_current_set_internal _glapi_set_dispatch
+#define u_current_get_internal _glapi_get_dispatch
+#define u_current_set_user_internal _glapi_set_context
+#define u_current_get_user_internal _glapi_get_context
+
+#define u_current_table_tsd _gl_DispatchTSD
+
 #else /* MAPI_GLAPI_CURRENT */
 
-struct _glapi_table;
+#include "u_compiler.h"
+
+struct mapi_table;
 
 #ifdef GLX_USE_TLS
 
-extern __thread struct _glapi_table *_glapi_tls_Dispatch
+extern __thread struct mapi_table *u_current_table_tls
     __attribute__((tls_model("initial-exec")));
 
-extern __thread void *_glapi_tls_Context
+extern __thread void *u_current_user_tls
     __attribute__((tls_model("initial-exec")));
 
-extern const struct _glapi_table *_glapi_Dispatch;
-extern const void *_glapi_Context;
+extern const struct mapi_table *u_current_table;
+extern const void *u_current_user;
 
 #else /* GLX_USE_TLS */
 
-extern struct _glapi_table *_glapi_Dispatch;
-extern void *_glapi_Context;
+extern struct mapi_table *u_current_table;
+extern void *u_current_user;
 
 #endif /* GLX_USE_TLS */
 
 void
-_glapi_check_multithread(void);
+u_current_init(void);
 
 void
-_glapi_set_context(void *context);
-
-void *
-_glapi_get_context(void);
+u_current_destroy(void);
 
 void
-_glapi_set_dispatch(struct _glapi_table *dispatch);
+u_current_set_internal(struct mapi_table *tbl);
 
-struct _glapi_table *
-_glapi_get_dispatch(void);
+struct mapi_table *
+u_current_get_internal(void);
 
 void
-_glapi_destroy_multithread(void);
+u_current_set_user_internal(void *ptr);
 
-
-struct mapi_table;
+void *
+u_current_get_user_internal(void);
 
 static INLINE void
 u_current_set(const struct mapi_table *tbl)
 {
-   _glapi_check_multithread();
-   _glapi_set_dispatch((struct _glapi_table *) tbl);
+   u_current_set_internal((struct mapi_table *) tbl);
 }
 
 static INLINE const struct mapi_table *
 u_current_get(void)
 {
 #ifdef GLX_USE_TLS
-   return (const struct mapi_table *) _glapi_tls_Dispatch;
+   return (const struct mapi_table *) u_current_table_tls;
 #else
-   return (const struct mapi_table *) (likely(_glapi_Dispatch) ?
-      _glapi_Dispatch : _glapi_get_dispatch());
+   return (likely(u_current_table) ?
+         (const struct mapi_table *) u_current_table : u_current_get_internal());
 #endif
 }
 
 static INLINE void
 u_current_set_user(void *ptr)
 {
-   _glapi_check_multithread();
-   _glapi_set_context(ptr);
+   u_current_set_internal(ptr);
 }
 
 static INLINE void *
 u_current_get_user(void)
 {
 #ifdef GLX_USE_TLS
-   return _glapi_tls_Context;
+   return u_current_user_tls;
 #else
-   return likely(_glapi_Context) ? _glapi_Context : _glapi_get_context();
+   return likely(u_current_user) ? u_current_user : u_current_get_user_internal();
 #endif
 }
 




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