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.
This commit is contained in:
Chia-I Wu
2010-08-21 12:10:02 +08:00
parent 760451baae
commit df98423f24
5 changed files with 98 additions and 83 deletions

View File

@@ -33,7 +33,7 @@
__asm__(".text"); __asm__(".text");
__asm__("x86_64_current_tls:\n\t" __asm__("x86_64_current_tls:\n\t"
"movq _glapi_tls_Dispatch@GOTTPOFF(%rip), %rax\n\t" "movq u_current_table_tls@GOTTPOFF(%rip), %rax\n\t"
"ret"); "ret");
#define STUB_ASM_ENTRY(func) \ #define STUB_ASM_ENTRY(func) \
@@ -43,7 +43,7 @@ __asm__("x86_64_current_tls:\n\t"
func ":" func ":"
#define STUB_ASM_CODE(slot) \ #define STUB_ASM_CODE(slot) \
"movq _glapi_tls_Dispatch@GOTTPOFF(%rip), %rax\n\t" \ "movq u_current_table_tls@GOTTPOFF(%rip), %rax\n\t" \
"movq %fs:(%rax), %r11\n\t" \ "movq %fs:(%rax), %r11\n\t" \
"jmp *(8 * " slot ")(%r11)" "jmp *(8 * " slot ")(%r11)"

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@@ -37,7 +37,7 @@ __asm__("x86_current_tls:\n\t"
"1:\n\t" "1:\n\t"
"popl %eax\n\t" "popl %eax\n\t"
"addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %eax\n\t" "addl $_GLOBAL_OFFSET_TABLE_+[.-1b], %eax\n\t"
"movl _glapi_tls_Dispatch@GOTNTPOFF(%eax), %eax\n\t" "movl u_current_table_tls@GOTNTPOFF(%eax), %eax\n\t"
"ret"); "ret");
#ifndef GLX_X86_READONLY_TEXT #ifndef GLX_X86_READONLY_TEXT

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@@ -41,12 +41,12 @@ __asm__(".text");
func ":" func ":"
#define STUB_ASM_CODE(slot) \ #define STUB_ASM_CODE(slot) \
"movl _glapi_Dispatch, %eax\n\t" \ "movl u_current_table, %eax\n\t" \
"testl %eax, %eax\n\t" \ "testl %eax, %eax\n\t" \
"je 1f\n\t" \ "je 1f\n\t" \
"jmp *(4 * " slot ")(%eax)\n" \ "jmp *(4 * " slot ")(%eax)\n" \
"1:\n\t" \ "1:\n\t" \
"call _glapi_get_dispatch\n\t" \ "call u_current_get_internal\n\t"\
"jmp *(4 * " slot ")(%eax)" "jmp *(4 * " slot ")(%eax)"
#define MAPI_TMP_STUB_ASM_GCC #define MAPI_TMP_STUB_ASM_GCC

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@@ -99,25 +99,25 @@ extern void (*__glapi_noop_table[])(void);
/*@{*/ /*@{*/
#if defined(GLX_USE_TLS) #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"))) __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"))); __attribute__((tls_model("initial-exec")));
const struct _glapi_table *_glapi_Dispatch; const struct mapi_table *u_current_table;
const void *_glapi_Context; const void *u_current_user;
#else #else
struct _glapi_table *_glapi_Dispatch = struct mapi_table *u_current_table =
(struct _glapi_table *) table_noop_array; (struct mapi_table *) table_noop_array;
void *_glapi_Context; void *u_current_user;
#ifdef THREADS #ifdef THREADS
struct u_tsd _gl_DispatchTSD; struct u_tsd u_current_table_tsd;
static struct u_tsd ContextTSD; static struct u_tsd u_current_user_tsd;
static int ThreadSafe; static int ThreadSafe;
#endif /* THREADS */ #endif /* THREADS */
@@ -126,11 +126,11 @@ static int ThreadSafe;
void void
_glapi_destroy_multithread(void) u_current_destroy(void)
{ {
#if defined(THREADS) && defined(WIN32_THREADS) #if defined(THREADS) && defined(WIN32_THREADS)
u_tsd_destroy(&_gl_DispatchTSD); u_tsd_destroy(&u_current_table_tsd);
u_tsd_destroy(&ContextTSD); u_tsd_destroy(&u_current_user_tsd);
#endif #endif
} }
@@ -138,10 +138,10 @@ _glapi_destroy_multithread(void)
#if defined(THREADS) && !defined(GLX_USE_TLS) #if defined(THREADS) && !defined(GLX_USE_TLS)
static void static void
_glapi_init_multithread(void) u_current_init_tsd(void)
{ {
u_tsd_init(&_gl_DispatchTSD); u_tsd_init(&u_current_table_tsd);
u_tsd_init(&ContextTSD); 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. * in order to test if multiple threads are being used.
*/ */
void void
_glapi_check_multithread(void) u_current_init(void)
{ {
static unsigned long knownID; static unsigned long knownID;
static int firstCall = 1; static int firstCall = 1;
@@ -172,15 +172,15 @@ _glapi_check_multithread(void)
CHECK_MULTITHREAD_LOCK(); CHECK_MULTITHREAD_LOCK();
if (firstCall) { if (firstCall) {
_glapi_init_multithread(); u_current_init_tsd();
knownID = u_thread_self(); knownID = u_thread_self();
firstCall = 0; firstCall = 0;
} }
else if (knownID != u_thread_self()) { else if (knownID != u_thread_self()) {
ThreadSafe = 1; ThreadSafe = 1;
_glapi_set_dispatch(NULL); u_current_set_internal(NULL);
_glapi_set_context(NULL); u_current_set_user_internal(NULL);
} }
CHECK_MULTITHREAD_UNLOCK(); CHECK_MULTITHREAD_UNLOCK();
} }
@@ -188,7 +188,7 @@ _glapi_check_multithread(void)
#else #else
void 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 from the real context pointer type.
*/ */
void void
_glapi_set_context(void *context) u_current_set_user_internal(void *ptr)
{ {
u_current_init();
#if defined(GLX_USE_TLS) #if defined(GLX_USE_TLS)
_glapi_tls_Context = context; u_current_user_tls = ptr;
#elif defined(THREADS) #elif defined(THREADS)
u_tsd_set(&ContextTSD, context); u_tsd_set(&u_current_user_tsd, ptr);
_glapi_Context = (ThreadSafe) ? NULL : context; u_current_user = (ThreadSafe) ? NULL : ptr;
#else #else
_glapi_Context = context; u_current_user = ptr;
#endif #endif
} }
@@ -220,16 +222,16 @@ _glapi_set_context(void *context)
* void to the real context pointer type. * void to the real context pointer type.
*/ */
void * void *
_glapi_get_context(void) u_current_get_user_internal(void)
{ {
#if defined(GLX_USE_TLS) #if defined(GLX_USE_TLS)
return _glapi_tls_Context; return u_current_user_tls;
#elif defined(THREADS) #elif defined(THREADS)
return (ThreadSafe) return (ThreadSafe)
? u_tsd_get(&ContextTSD) ? u_tsd_get(&u_current_user_tsd)
: _glapi_Context; : u_current_user;
#else #else
return _glapi_Context; return u_current_user;
#endif #endif
} }
@@ -239,36 +241,37 @@ _glapi_get_context(void)
* table (__glapi_noop_table). * table (__glapi_noop_table).
*/ */
void void
_glapi_set_dispatch(struct _glapi_table *dispatch) u_current_set_internal(struct mapi_table *tbl)
{ {
u_current_init();
stub_init_once(); stub_init_once();
if (!dispatch) if (!tbl)
dispatch = (struct _glapi_table *) table_noop_array; tbl = (struct mapi_table *) table_noop_array;
#if defined(GLX_USE_TLS) #if defined(GLX_USE_TLS)
_glapi_tls_Dispatch = dispatch; u_current_table_tls = tbl;
#elif defined(THREADS) #elif defined(THREADS)
u_tsd_set(&_gl_DispatchTSD, (void *) dispatch); u_tsd_set(&u_current_table_tsd, (void *) tbl);
_glapi_Dispatch = (ThreadSafe) ? NULL : dispatch; u_current_table = (ThreadSafe) ? NULL : tbl;
#else #else
_glapi_Dispatch = dispatch; u_current_table = tbl;
#endif #endif
} }
/** /**
* Return pointer to current dispatch table for calling thread. * Return pointer to current dispatch table for calling thread.
*/ */
struct _glapi_table * struct mapi_table *
_glapi_get_dispatch(void) u_current_get_internal(void)
{ {
#if defined(GLX_USE_TLS) #if defined(GLX_USE_TLS)
return _glapi_tls_Dispatch; return u_current_table_tls;
#elif defined(THREADS) #elif defined(THREADS)
return (ThreadSafe) return (struct mapi_table *) ((ThreadSafe) ?
? (struct _glapi_table *) u_tsd_get(&_gl_DispatchTSD) u_tsd_get(&u_current_table_tsd) : (void *) u_current_table);
: _glapi_Dispatch;
#else #else
return _glapi_Dispatch; return u_current_table;
#endif #endif
} }

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@@ -1,87 +1,99 @@
#ifndef _U_CURRENT_H_ #ifndef _U_CURRENT_H_
#define _U_CURRENT_H_ #define _U_CURRENT_H_
#include "u_compiler.h"
#ifdef MAPI_GLAPI_CURRENT #ifdef MAPI_GLAPI_CURRENT
#include "glapi/glapi.h" #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 */ #else /* MAPI_GLAPI_CURRENT */
struct _glapi_table; #include "u_compiler.h"
struct mapi_table;
#ifdef GLX_USE_TLS #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"))); __attribute__((tls_model("initial-exec")));
extern __thread void *_glapi_tls_Context extern __thread void *u_current_user_tls
__attribute__((tls_model("initial-exec"))); __attribute__((tls_model("initial-exec")));
extern const struct _glapi_table *_glapi_Dispatch; extern const struct mapi_table *u_current_table;
extern const void *_glapi_Context; extern const void *u_current_user;
#else /* GLX_USE_TLS */ #else /* GLX_USE_TLS */
extern struct _glapi_table *_glapi_Dispatch; extern struct mapi_table *u_current_table;
extern void *_glapi_Context; extern void *u_current_user;
#endif /* GLX_USE_TLS */ #endif /* GLX_USE_TLS */
void void
_glapi_check_multithread(void); u_current_init(void);
void void
_glapi_set_context(void *context); u_current_destroy(void);
void
u_current_set_internal(struct mapi_table *tbl);
struct mapi_table *
u_current_get_internal(void);
void
u_current_set_user_internal(void *ptr);
void * void *
_glapi_get_context(void); u_current_get_user_internal(void);
void
_glapi_set_dispatch(struct _glapi_table *dispatch);
struct _glapi_table *
_glapi_get_dispatch(void);
void
_glapi_destroy_multithread(void);
struct mapi_table;
static INLINE void static INLINE void
u_current_set(const struct mapi_table *tbl) u_current_set(const struct mapi_table *tbl)
{ {
_glapi_check_multithread(); u_current_set_internal((struct mapi_table *) tbl);
_glapi_set_dispatch((struct _glapi_table *) tbl);
} }
static INLINE const struct mapi_table * static INLINE const struct mapi_table *
u_current_get(void) u_current_get(void)
{ {
#ifdef GLX_USE_TLS #ifdef GLX_USE_TLS
return (const struct mapi_table *) _glapi_tls_Dispatch; return (const struct mapi_table *) u_current_table_tls;
#else #else
return (const struct mapi_table *) (likely(_glapi_Dispatch) ? return (likely(u_current_table) ?
_glapi_Dispatch : _glapi_get_dispatch()); (const struct mapi_table *) u_current_table : u_current_get_internal());
#endif #endif
} }
static INLINE void static INLINE void
u_current_set_user(void *ptr) u_current_set_user(void *ptr)
{ {
_glapi_check_multithread(); u_current_set_internal(ptr);
_glapi_set_context(ptr);
} }
static INLINE void * static INLINE void *
u_current_get_user(void) u_current_get_user(void)
{ {
#ifdef GLX_USE_TLS #ifdef GLX_USE_TLS
return _glapi_tls_Context; return u_current_user_tls;
#else #else
return likely(_glapi_Context) ? _glapi_Context : _glapi_get_context(); return likely(u_current_user) ? u_current_user : u_current_get_user_internal();
#endif #endif
} }