*/
/**
- * \file glapi_getproc.
+ * \file glapi_getproc.c
*
* Code for implementing glXGetProcAddress(), etc.
* This was originally in glapi.c but refactored out.
*/
-#include <stdlib.h>
-#include <string.h>
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#include "glapi/mesa.h"
+#else
#include "main/glheader.h"
-#include "glapi.h"
-#include "glapioffsets.h"
-#include "glapitable.h"
-
-
-static void
-fill_in_entrypoint_offset(_glapi_proc entrypoint, GLuint offset);
-
-
-/**
- * strdup() is actually not a standard ANSI C or POSIX routine.
- * Irix will not define it if ANSI mode is in effect.
- */
-static char *
-str_dup(const char *str)
-{
- char *copy;
- copy = (char*) malloc(strlen(str) + 1);
- if (!copy)
- return NULL;
- strcpy(copy, str);
- return copy;
-}
+#include "main/compiler.h"
+#endif
+#include "glapi/glapi.h"
+#include "glapi/glapioffsets.h"
+#include "glapi/glapitable.h"
#if defined(USE_X64_64_ASM) && defined(GLX_USE_TLS)
#endif
/* The code in this file is auto-generated with Python */
-#include "glprocs.h"
+#include "glapi/glprocs.h"
/**
GLuint i;
for (i = 0; static_functions[i].Name_offset >= 0; i++) {
const char *testName = gl_string_table + static_functions[i].Name_offset;
- if (strcmp(testName, n) == 0) {
+#ifdef MANGLE
+ /* skip the "m" prefix on the name */
+ if (strcmp(testName, n + 1) == 0)
+#else
+ if (strcmp(testName, n) == 0)
+#endif
+ {
return &static_functions[i];
}
}
}
-#if !defined(XFree86Server) && !defined(XGLServer)
#ifdef USE_X86_ASM
#if defined( GLX_USE_TLS )
#endif /* USE_X86_ASM */
+#if !defined(XFree86Server) && !defined(XGLServer)
+
/**
* Return dispatch function address for the named static (built-in) function.
* Return NULL if function not found.
+#if defined(PTHREADS) || defined(GLX_USE_TLS)
+
+/**
+ * Perform platform-specific GL API entry-point fixups.
+ */
+static void
+init_glapi_relocs( void )
+{
+#if defined(USE_X86_ASM) && defined(GLX_USE_TLS) && !defined(GLX_X86_READONLY_TEXT)
+ extern unsigned long _x86_get_dispatch(void);
+ char run_time_patch[] = {
+ 0x65, 0xa1, 0, 0, 0, 0 /* movl %gs:0,%eax */
+ };
+ GLuint *offset = (GLuint *) &run_time_patch[2]; /* 32-bits for x86/32 */
+ const GLubyte * const get_disp = (const GLubyte *) run_time_patch;
+ GLubyte * curr_func = (GLubyte *) gl_dispatch_functions_start;
+
+ *offset = _x86_get_dispatch();
+ while ( curr_func != (GLubyte *) gl_dispatch_functions_end ) {
+ (void) memcpy( curr_func, get_disp, sizeof(run_time_patch));
+ curr_func += DISPATCH_FUNCTION_SIZE;
+ }
+#endif
+#ifdef USE_SPARC_ASM
+ extern void __glapi_sparc_icache_flush(unsigned int *);
+ static const unsigned int template[] = {
+#ifdef GLX_USE_TLS
+ 0x05000000, /* sethi %hi(_glapi_tls_Dispatch), %g2 */
+ 0x8730e00a, /* srl %g3, 10, %g3 */
+ 0x8410a000, /* or %g2, %lo(_glapi_tls_Dispatch), %g2 */
+#ifdef __arch64__
+ 0xc259c002, /* ldx [%g7 + %g2], %g1 */
+ 0xc2584003, /* ldx [%g1 + %g3], %g1 */
+#else
+ 0xc201c002, /* ld [%g7 + %g2], %g1 */
+ 0xc2004003, /* ld [%g1 + %g3], %g1 */
+#endif
+ 0x81c04000, /* jmp %g1 */
+ 0x01000000, /* nop */
+#else
+#ifdef __arch64__
+ 0x03000000, /* 64-bit 0x00 --> sethi %hh(_glapi_Dispatch), %g1 */
+ 0x05000000, /* 64-bit 0x04 --> sethi %lm(_glapi_Dispatch), %g2 */
+ 0x82106000, /* 64-bit 0x08 --> or %g1, %hm(_glapi_Dispatch), %g1 */
+ 0x8730e00a, /* 64-bit 0x0c --> srl %g3, 10, %g3 */
+ 0x83287020, /* 64-bit 0x10 --> sllx %g1, 32, %g1 */
+ 0x82004002, /* 64-bit 0x14 --> add %g1, %g2, %g1 */
+ 0xc2586000, /* 64-bit 0x18 --> ldx [%g1 + %lo(_glapi_Dispatch)], %g1 */
+#else
+ 0x03000000, /* 32-bit 0x00 --> sethi %hi(_glapi_Dispatch), %g1 */
+ 0x8730e00a, /* 32-bit 0x04 --> srl %g3, 10, %g3 */
+ 0xc2006000, /* 32-bit 0x08 --> ld [%g1 + %lo(_glapi_Dispatch)], %g1 */
+#endif
+ 0x80a06000, /* --> cmp %g1, 0 */
+ 0x02800005, /* --> be +4*5 */
+ 0x01000000, /* --> nop */
+#ifdef __arch64__
+ 0xc2584003, /* 64-bit --> ldx [%g1 + %g3], %g1 */
+#else
+ 0xc2004003, /* 32-bit --> ld [%g1 + %g3], %g1 */
+#endif
+ 0x81c04000, /* --> jmp %g1 */
+ 0x01000000, /* --> nop */
+#ifdef __arch64__
+ 0x9de3bf80, /* 64-bit --> save %sp, -128, %sp */
+#else
+ 0x9de3bfc0, /* 32-bit --> save %sp, -64, %sp */
+#endif
+ 0xa0100003, /* --> mov %g3, %l0 */
+ 0x40000000, /* --> call _glapi_get_dispatch */
+ 0x01000000, /* --> nop */
+ 0x82100008, /* --> mov %o0, %g1 */
+ 0x86100010, /* --> mov %l0, %g3 */
+ 0x10bffff7, /* --> ba -4*9 */
+ 0x81e80000, /* --> restore */
+#endif
+ };
+#ifdef GLX_USE_TLS
+ extern unsigned int __glapi_sparc_tls_stub;
+ extern unsigned long __glapi_sparc_get_dispatch(void);
+ unsigned int *code = &__glapi_sparc_tls_stub;
+ unsigned long dispatch = __glapi_sparc_get_dispatch();
+#else
+ extern unsigned int __glapi_sparc_pthread_stub;
+ unsigned int *code = &__glapi_sparc_pthread_stub;
+ unsigned long dispatch = (unsigned long) &_glapi_Dispatch;
+ unsigned long call_dest = (unsigned long ) &_glapi_get_dispatch;
+ int idx;
+#endif
+
+#if defined(GLX_USE_TLS)
+ code[0] = template[0] | (dispatch >> 10);
+ code[1] = template[1];
+ __glapi_sparc_icache_flush(&code[0]);
+ code[2] = template[2] | (dispatch & 0x3ff);
+ code[3] = template[3];
+ __glapi_sparc_icache_flush(&code[2]);
+ code[4] = template[4];
+ code[5] = template[5];
+ __glapi_sparc_icache_flush(&code[4]);
+ code[6] = template[6];
+ __glapi_sparc_icache_flush(&code[6]);
+#else
+#if defined(__arch64__)
+ code[0] = template[0] | (dispatch >> (32 + 10));
+ code[1] = template[1] | ((dispatch & 0xffffffff) >> 10);
+ __glapi_sparc_icache_flush(&code[0]);
+ code[2] = template[2] | ((dispatch >> 32) & 0x3ff);
+ code[3] = template[3];
+ __glapi_sparc_icache_flush(&code[2]);
+ code[4] = template[4];
+ code[5] = template[5];
+ __glapi_sparc_icache_flush(&code[4]);
+ code[6] = template[6] | (dispatch & 0x3ff);
+ idx = 7;
+#else
+ code[0] = template[0] | (dispatch >> 10);
+ code[1] = template[1];
+ __glapi_sparc_icache_flush(&code[0]);
+ code[2] = template[2] | (dispatch & 0x3ff);
+ idx = 3;
+#endif
+ code[idx + 0] = template[idx + 0];
+ __glapi_sparc_icache_flush(&code[idx - 1]);
+ code[idx + 1] = template[idx + 1];
+ code[idx + 2] = template[idx + 2];
+ __glapi_sparc_icache_flush(&code[idx + 1]);
+ code[idx + 3] = template[idx + 3];
+ code[idx + 4] = template[idx + 4];
+ __glapi_sparc_icache_flush(&code[idx + 3]);
+ code[idx + 5] = template[idx + 5];
+ code[idx + 6] = template[idx + 6];
+ __glapi_sparc_icache_flush(&code[idx + 5]);
+ code[idx + 7] = template[idx + 7];
+ code[idx + 8] = template[idx + 8] |
+ (((call_dest - ((unsigned long) &code[idx + 8]))
+ >> 2) & 0x3fffffff);
+ __glapi_sparc_icache_flush(&code[idx + 7]);
+ code[idx + 9] = template[idx + 9];
+ code[idx + 10] = template[idx + 10];
+ __glapi_sparc_icache_flush(&code[idx + 9]);
+ code[idx + 11] = template[idx + 11];
+ code[idx + 12] = template[idx + 12];
+ __glapi_sparc_icache_flush(&code[idx + 11]);
+ code[idx + 13] = template[idx + 13];
+ __glapi_sparc_icache_flush(&code[idx + 13]);
+#endif
+#endif
+}
+
+void
+init_glapi_relocs_once( void )
+{
+ static pthread_once_t once_control = PTHREAD_ONCE_INIT;
+ pthread_once( & once_control, init_glapi_relocs );
+}
+
+#else
+
+void
+init_glapi_relocs_once( void ) { }
+
+#endif /* defined(PTHREADS) || defined(GLX_USE_TLS) */
+
+
+
/**********************************************************************
* Extension function management.
*/
extern void __glapi_sparc_icache_flush(unsigned int *);
#endif
+static void
+fill_in_entrypoint_offset(_glapi_proc entrypoint, GLuint offset);
+
/**
* Generate a dispatch function (entrypoint) which jumps through
* the given slot number (offset) in the current dispatch table.
return (_glapi_proc) code;
#elif defined(USE_SPARC_ASM)
-#ifdef __arch64__
- static const unsigned int insn_template[] = {
- 0x05000000, /* sethi %uhi(_glapi_Dispatch), %g2 */
- 0x03000000, /* sethi %hi(_glapi_Dispatch), %g1 */
- 0x8410a000, /* or %g2, %ulo(_glapi_Dispatch), %g2 */
- 0x82106000, /* or %g1, %lo(_glapi_Dispatch), %g1 */
- 0x8528b020, /* sllx %g2, 32, %g2 */
- 0xc2584002, /* ldx [%g1 + %g2], %g1 */
- 0x05000000, /* sethi %hi(8 * glapioffset), %g2 */
- 0x8410a000, /* or %g2, %lo(8 * glapioffset), %g2 */
- 0xc6584002, /* ldx [%g1 + %g2], %g3 */
- 0x81c0c000, /* jmpl %g3, %g0 */
- 0x01000000 /* nop */
+#if defined(PTHREADS) || defined(GLX_USE_TLS)
+ static const unsigned int template[] = {
+ 0x07000000, /* sethi %hi(0), %g3 */
+ 0x8210000f, /* mov %o7, %g1 */
+ 0x40000000, /* call */
+ 0x9e100001, /* mov %g1, %o7 */
};
+#ifdef GLX_USE_TLS
+ extern unsigned int __glapi_sparc_tls_stub;
+ unsigned long call_dest = (unsigned long ) &__glapi_sparc_tls_stub;
#else
- static const unsigned int insn_template[] = {
- 0x03000000, /* sethi %hi(_glapi_Dispatch), %g1 */
- 0xc2006000, /* ld [%g1 + %lo(_glapi_Dispatch)], %g1 */
- 0xc6006000, /* ld [%g1 + %lo(4*glapioffset)], %g3 */
- 0x81c0c000, /* jmpl %g3, %g0 */
- 0x01000000 /* nop */
- };
-#endif /* __arch64__ */
- unsigned int *code = (unsigned int *) malloc(sizeof(insn_template));
- unsigned long glapi_addr = (unsigned long) &_glapi_Dispatch;
+ extern unsigned int __glapi_sparc_pthread_stub;
+ unsigned long call_dest = (unsigned long ) &__glapi_sparc_pthread_stub;
+#endif
+ unsigned int *code = (unsigned int *) malloc(sizeof(template));
if (code) {
- memcpy(code, insn_template, sizeof(insn_template));
-
-#ifdef __arch64__
- code[0] |= (glapi_addr >> (32 + 10));
- code[1] |= ((glapi_addr & 0xffffffff) >> 10);
- __glapi_sparc_icache_flush(&code[0]);
- code[2] |= ((glapi_addr >> 32) & ((1 << 10) - 1));
- code[3] |= (glapi_addr & ((1 << 10) - 1));
- __glapi_sparc_icache_flush(&code[2]);
- code[6] |= ((functionOffset * 8) >> 10);
- code[7] |= ((functionOffset * 8) & ((1 << 10) - 1));
- __glapi_sparc_icache_flush(&code[6]);
-#else
- code[0] |= (glapi_addr >> 10);
- code[1] |= (glapi_addr & ((1 << 10) - 1));
+ code[0] = template[0] | (functionOffset & 0x3fffff);
+ code[1] = template[1];
__glapi_sparc_icache_flush(&code[0]);
- code[2] |= (functionOffset * 4);
+ code[2] = template[2] |
+ (((call_dest - ((unsigned long) &code[2]))
+ >> 2) & 0x3fffffff);
+ code[3] = template[3];
__glapi_sparc_icache_flush(&code[2]);
-#endif /* __arch64__ */
}
return (_glapi_proc) code;
+#endif
+
#else
(void) functionOffset;
return NULL;
#endif
#elif defined(USE_SPARC_ASM)
-
- /* XXX this hasn't been tested! */
unsigned int *code = (unsigned int *) entrypoint;
-#ifdef __arch64__
- code[6] = 0x05000000; /* sethi %hi(8 * glapioffset), %g2 */
- code[7] = 0x8410a000; /* or %g2, %lo(8 * glapioffset), %g2 */
- code[6] |= ((offset * 8) >> 10);
- code[7] |= ((offset * 8) & ((1 << 10) - 1));
- __glapi_sparc_icache_flush(&code[6]);
-#else /* __arch64__ */
- code[2] = 0xc6006000; /* ld [%g1 + %lo(4*glapioffset)], %g3 */
- code[2] |= (offset * 4);
- __glapi_sparc_icache_flush(&code[2]);
-#endif /* __arch64__ */
-
+ code[0] &= ~0x3fffff;
+ code[0] |= (offset * sizeof(void *)) & 0x3fffff;
+ __glapi_sparc_icache_flush(&code[0]);
#else
/* an unimplemented architecture */
}
+/**
+ * strdup() is actually not a standard ANSI C or POSIX routine.
+ * Irix will not define it if ANSI mode is in effect.
+ */
+static char *
+str_dup(const char *str)
+{
+ char *copy;
+ copy = (char*) malloc(strlen(str) + 1);
+ if (!copy)
+ return NULL;
+ strcpy(copy, str);
+ return copy;
+}
+
+
/**
* Generate new entrypoint
*
* in the name of static functions, try generating a new API entrypoint on
* the fly with assembly language.
*/
-_glapi_proc
+PUBLIC _glapi_proc
_glapi_get_proc_address(const char *funcName)
{
struct _glapi_function * entry;
}
return NULL;
}
+
+
+
+/**
+ * Do some spot checks to be sure that the dispatch table
+ * slots are assigned correctly. For debugging only.
+ */
+void
+_glapi_check_table(const struct _glapi_table *table)
+{
+#if 0 /* enable this for extra DEBUG */
+ {
+ GLuint BeginOffset = _glapi_get_proc_offset("glBegin");
+ char *BeginFunc = (char*) &table->Begin;
+ GLuint offset = (BeginFunc - (char *) table) / sizeof(void *);
+ assert(BeginOffset == _gloffset_Begin);
+ assert(BeginOffset == offset);
+ }
+ {
+ GLuint viewportOffset = _glapi_get_proc_offset("glViewport");
+ char *viewportFunc = (char*) &table->Viewport;
+ GLuint offset = (viewportFunc - (char *) table) / sizeof(void *);
+ assert(viewportOffset == _gloffset_Viewport);
+ assert(viewportOffset == offset);
+ }
+ {
+ GLuint VertexPointerOffset = _glapi_get_proc_offset("glVertexPointer");
+ char *VertexPointerFunc = (char*) &table->VertexPointer;
+ GLuint offset = (VertexPointerFunc - (char *) table) / sizeof(void *);
+ assert(VertexPointerOffset == _gloffset_VertexPointer);
+ assert(VertexPointerOffset == offset);
+ }
+ {
+ GLuint ResetMinMaxOffset = _glapi_get_proc_offset("glResetMinmax");
+ char *ResetMinMaxFunc = (char*) &table->ResetMinmax;
+ GLuint offset = (ResetMinMaxFunc - (char *) table) / sizeof(void *);
+ assert(ResetMinMaxOffset == _gloffset_ResetMinmax);
+ assert(ResetMinMaxOffset == offset);
+ }
+ {
+ GLuint blendColorOffset = _glapi_get_proc_offset("glBlendColor");
+ char *blendColorFunc = (char*) &table->BlendColor;
+ GLuint offset = (blendColorFunc - (char *) table) / sizeof(void *);
+ assert(blendColorOffset == _gloffset_BlendColor);
+ assert(blendColorOffset == offset);
+ }
+ {
+ GLuint secondaryColor3fOffset = _glapi_get_proc_offset("glSecondaryColor3fEXT");
+ char *secondaryColor3fFunc = (char*) &table->SecondaryColor3fEXT;
+ GLuint offset = (secondaryColor3fFunc - (char *) table) / sizeof(void *);
+ assert(secondaryColor3fOffset == _gloffset_SecondaryColor3fEXT);
+ assert(secondaryColor3fOffset == offset);
+ }
+ {
+ GLuint pointParameterivOffset = _glapi_get_proc_offset("glPointParameterivNV");
+ char *pointParameterivFunc = (char*) &table->PointParameterivNV;
+ GLuint offset = (pointParameterivFunc - (char *) table) / sizeof(void *);
+ assert(pointParameterivOffset == _gloffset_PointParameterivNV);
+ assert(pointParameterivOffset == offset);
+ }
+ {
+ GLuint setFenceOffset = _glapi_get_proc_offset("glSetFenceNV");
+ char *setFenceFunc = (char*) &table->SetFenceNV;
+ GLuint offset = (setFenceFunc - (char *) table) / sizeof(void *);
+ assert(setFenceOffset == _gloffset_SetFenceNV);
+ assert(setFenceOffset == offset);
+ }
+#else
+ (void) table;
+#endif
+}
projects / mesa.git / blobdiff