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Diffstat (limited to 'nx-X11/extras/Mesa/src/mesa/shader/slang/slang_execute.c')
-rw-r--r--nx-X11/extras/Mesa/src/mesa/shader/slang/slang_execute.c704
1 files changed, 352 insertions, 352 deletions
diff --git a/nx-X11/extras/Mesa/src/mesa/shader/slang/slang_execute.c b/nx-X11/extras/Mesa/src/mesa/shader/slang/slang_execute.c
index d47f3eaca..57941469c 100644
--- a/nx-X11/extras/Mesa/src/mesa/shader/slang/slang_execute.c
+++ b/nx-X11/extras/Mesa/src/mesa/shader/slang/slang_execute.c
@@ -1,352 +1,352 @@
-/*
- * Mesa 3-D graphics library
- * Version: 6.3
- *
- * Copyright (C) 2005 Brian Paul All Rights Reserved.
- *
- * 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
- * BRIAN PAUL 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.
- */
-
-/**
- * \file slang_execute.c
- * intermediate code interpreter
- * \author Michal Krol
- */
-
-#include "imports.h"
-#include "slang_utility.h"
-#include "slang_assemble.h"
-#include "slang_storage.h"
-#include "slang_execute.h"
-
-static void dump_instruction (FILE *f, slang_assembly *a, unsigned int i)
-{
- fprintf (f, "%.5u:\t", i);
-
- switch (a->type)
- {
- case slang_asm_none:
- fprintf (f, "none");
- break;
- case slang_asm_float_copy:
- fprintf (f, "float_copy\t%d, %d", a->param[0], a->param[1]);
- break;
- case slang_asm_float_move:
- fprintf (f, "float_move\t%d, %d", a->param[0], a->param[1]);
- break;
- case slang_asm_float_push:
- fprintf (f, "float_push\t%f", a->literal);
- break;
- case slang_asm_float_deref:
- fprintf (f, "float_deref");
- break;
- case slang_asm_float_add:
- fprintf (f, "float_add");
- break;
- case slang_asm_float_multiply:
- fprintf (f, "float_multiply");
- break;
- case slang_asm_float_divide:
- fprintf (f, "float_divide");
- break;
- case slang_asm_float_negate:
- fprintf (f, "float_negate");
- break;
- case slang_asm_float_less:
- fprintf (f, "float_less");
- break;
- case slang_asm_float_equal:
- fprintf (f, "float_equal\t%d, %d", a->param[0], a->param[1]);
- break;
- case slang_asm_float_to_int:
- fprintf (f, "float_to_int");
- break;
- case slang_asm_int_copy:
- fprintf (f, "int_copy\t%d, %d", a->param[0], a->param[1]);
- break;
- case slang_asm_int_move:
- fprintf (f, "int_move\t%d, %d", a->param[0], a->param[1]);
- break;
- case slang_asm_int_push:
- fprintf (f, "int_push\t%d", (GLint) a->literal);
- break;
- case slang_asm_int_deref:
- fprintf (f, "int_deref");
- break;
- case slang_asm_int_to_float:
- fprintf (f, "int_to_float");
- break;
- case slang_asm_int_to_addr:
- fprintf (f, "int_to_addr");
- break;
- case slang_asm_bool_copy:
- fprintf (f, "bool_copy\t%d, %d", a->param[0], a->param[1]);
- break;
- case slang_asm_bool_move:
- fprintf (f, "bool_move\t%d, %d", a->param[0], a->param[1]);
- break;
- case slang_asm_bool_push:
- fprintf (f, "bool_push\t%d", a->literal != 0.0f);
- break;
- case slang_asm_bool_deref:
- fprintf (f, "bool_deref");
- break;
- case slang_asm_addr_copy:
- fprintf (f, "addr_copy");
- break;
- case slang_asm_addr_push:
- fprintf (f, "addr_push\t%u", a->param[0]);
- break;
- case slang_asm_addr_deref:
- fprintf (f, "addr_deref");
- break;
- case slang_asm_addr_add:
- fprintf (f, "addr_add");
- break;
- case slang_asm_addr_multiply:
- fprintf (f, "addr_multiply");
- break;
- case slang_asm_jump:
- fprintf (f, "jump\t%u", a->param[0]);
- break;
- case slang_asm_jump_if_zero:
- fprintf (f, "jump_if_zero\t%u", a->param[0]);
- break;
- case slang_asm_enter:
- fprintf (f, "enter\t%u", a->param[0]);
- break;
- case slang_asm_leave:
- fprintf (f, "leave");
- break;
- case slang_asm_local_alloc:
- fprintf (f, "local_alloc\t%u", a->param[0]);
- break;
- case slang_asm_local_free:
- fprintf (f, "local_free\t%u", a->param[0]);
- break;
- case slang_asm_local_addr:
- fprintf (f, "local_addr\t%u, %u", a->param[0], a->param[1]);
- break;
- case slang_asm_call:
- fprintf (f, "call\t%u", a->param[0]);
- break;
- case slang_asm_return:
- fprintf (f, "return");
- break;
- case slang_asm_discard:
- fprintf (f, "discard");
- break;
- case slang_asm_exit:
- fprintf (f, "exit");
- break;
- default:
- break;
- }
-
- fprintf (f, "\n");
-}
-
-static void dump (const slang_assembly_file *file)
-{
- unsigned int i;
- static unsigned int counter = 0;
- FILE *f;
- char filename[256];
-
- counter++;
- sprintf (filename, "~mesa-slang-assembly-dump-(%u).txt", counter);
- f = fopen (filename, "w");
- if (f == NULL)
- return;
-
- for (i = 0; i < file->count; i++)
- dump_instruction (f, file->code + i, i);
-
- fclose (f);
-}
-
-int _slang_execute (const slang_assembly_file *file)
-{
- slang_machine mach;
- FILE *f;
-
- mach.ip = 0;
- mach.sp = SLANG_MACHINE_STACK_SIZE;
- mach.bp = 0;
- mach.kill = 0;
- mach.exit = 0;
-
- /* assume 32-bit machine */
- /* XXX why???, disabling the pointer size assertions here.
- * See bug 4021.
- */
- static_assert(sizeof (GLfloat) == 4);
- /*static_assert(sizeof (GLfloat *) == 4);*/
- static_assert(sizeof (GLuint) == 4);
- /*static_assert(sizeof (GLuint *) == 4);*/
-
- dump (file);
-
- f = fopen ("~mesa-slang-assembly-execution.txt", "w");
-
- while (!mach.exit)
- {
- slang_assembly *a = file->code + mach.ip;
- if (f != NULL)
- {
- unsigned int i;
- dump_instruction (f, a, mach.ip);
- fprintf (f, "\t\tsp=%u bp=%u\n", mach.sp, mach.bp);
- for (i = mach.sp; i < SLANG_MACHINE_STACK_SIZE; i++)
- fprintf (f, "\t%.5u\t%6f\t%u\n", i, mach.stack._float[i], mach.stack._addr[i]);
- fflush (f);
- }
- mach.ip++;
-
- switch (a->type)
- {
- case slang_asm_none:
- break;
- case slang_asm_float_copy:
- case slang_asm_int_copy:
- case slang_asm_bool_copy:
- *(mach.stack._floatp[mach.sp + a->param[0] / 4] + a->param[1] / 4) =
- mach.stack._float[mach.sp];
- mach.sp++;
- break;
- case slang_asm_float_move:
- case slang_asm_int_move:
- case slang_asm_bool_move:
- mach.stack._float[mach.sp + a->param[0] / 4] =
- mach.stack._float[mach.sp + (mach.stack._addr[mach.sp] + a->param[1]) / 4];
- break;
- case slang_asm_float_push:
- case slang_asm_int_push:
- case slang_asm_bool_push:
- mach.sp--;
- mach.stack._float[mach.sp] = a->literal;
- break;
- case slang_asm_float_deref:
- case slang_asm_int_deref:
- case slang_asm_bool_deref:
- mach.stack._float[mach.sp] = *mach.stack._floatp[mach.sp];
- break;
- case slang_asm_float_add:
- mach.stack._float[mach.sp + 1] += mach.stack._float[mach.sp];
- mach.sp++;
- break;
- case slang_asm_float_multiply:
- mach.stack._float[mach.sp + 1] *= mach.stack._float[mach.sp];
- mach.sp++;
- break;
- case slang_asm_float_divide:
- mach.stack._float[mach.sp + 1] /= mach.stack._float[mach.sp];
- mach.sp++;
- break;
- case slang_asm_float_negate:
- mach.stack._float[mach.sp] = -mach.stack._float[mach.sp];
- break;
- case slang_asm_float_less:
- mach.stack._float[mach.sp + 1] =
- mach.stack._float[mach.sp + 1] < mach.stack._float[mach.sp] ? 1.0f : 0.0f;
- mach.sp++;
- break;
- case slang_asm_float_equal:
- mach.sp--;
- mach.stack._float[mach.sp] = mach.stack._float[mach.sp + 1 + a->param[0] / 4] ==
- mach.stack._float[mach.sp + 1 + a->param[1] / 4] ? 1.0f : 0.0f;
- break;
- case slang_asm_float_to_int:
- mach.stack._float[mach.sp] = (GLfloat) (GLint) mach.stack._float[mach.sp];
- break;
- case slang_asm_int_to_float:
- break;
- case slang_asm_int_to_addr:
- mach.stack._addr[mach.sp] = (GLuint) (GLint) mach.stack._float[mach.sp];
- break;
- case slang_asm_addr_copy:
- *mach.stack._addrp[mach.sp + 1] = mach.stack._addr[mach.sp];
- mach.sp++;
- break;
- case slang_asm_addr_push:
- mach.sp--;
- mach.stack._addr[mach.sp] = a->param[0];
- break;
- case slang_asm_addr_deref:
- mach.stack._addr[mach.sp] = *mach.stack._addrp[mach.sp];
- break;
- case slang_asm_addr_add:
- mach.stack._addr[mach.sp + 1] += mach.stack._addr[mach.sp];
- mach.sp++;
- break;
- case slang_asm_addr_multiply:
- mach.stack._addr[mach.sp + 1] *= mach.stack._addr[mach.sp];
- mach.sp++;
- break;
- case slang_asm_jump:
- mach.ip = a->param[0];
- break;
- case slang_asm_jump_if_zero:
- if (mach.stack._float[mach.sp] == 0.0f)
- mach.ip = a->param[0];
- mach.sp++;
- break;
- case slang_asm_enter:
- mach.sp--;
- mach.stack._addr[mach.sp] = mach.bp;
- mach.bp = mach.sp + a->param[0] / 4;
- break;
- case slang_asm_leave:
- mach.bp = mach.stack._addr[mach.sp];
- mach.sp++;
- break;
- case slang_asm_local_alloc:
- mach.sp -= a->param[0] / 4;
- break;
- case slang_asm_local_free:
- mach.sp += a->param[0] / 4;
- break;
- case slang_asm_local_addr:
- mach.sp--;
- mach.stack._addr[mach.sp] = (GLuint) mach.stack._addr + mach.bp * 4 -
- (a->param[0] + a->param[1]) + 4;
- break;
- case slang_asm_call:
- mach.sp--;
- mach.stack._addr[mach.sp] = mach.ip;
- mach.ip = a->param[0];
- break;
- case slang_asm_return:
- mach.ip = mach.stack._addr[mach.sp];
- mach.sp++;
- break;
- case slang_asm_discard:
- mach.kill = 1;
- break;
- case slang_asm_exit:
- mach.exit = 1;
- break;
- }
- }
-
- if (f != NULL)
- fclose (f);
-
- return 0;
-}
-
+/*
+ * Mesa 3-D graphics library
+ * Version: 6.3
+ *
+ * Copyright (C) 2005 Brian Paul All Rights Reserved.
+ *
+ * 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
+ * BRIAN PAUL 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.
+ */
+
+/**
+ * \file slang_execute.c
+ * intermediate code interpreter
+ * \author Michal Krol
+ */
+
+#include "imports.h"
+#include "slang_utility.h"
+#include "slang_assemble.h"
+#include "slang_storage.h"
+#include "slang_execute.h"
+
+static void dump_instruction (FILE *f, slang_assembly *a, unsigned int i)
+{
+ fprintf (f, "%.5u:\t", i);
+
+ switch (a->type)
+ {
+ case slang_asm_none:
+ fprintf (f, "none");
+ break;
+ case slang_asm_float_copy:
+ fprintf (f, "float_copy\t%d, %d", a->param[0], a->param[1]);
+ break;
+ case slang_asm_float_move:
+ fprintf (f, "float_move\t%d, %d", a->param[0], a->param[1]);
+ break;
+ case slang_asm_float_push:
+ fprintf (f, "float_push\t%f", a->literal);
+ break;
+ case slang_asm_float_deref:
+ fprintf (f, "float_deref");
+ break;
+ case slang_asm_float_add:
+ fprintf (f, "float_add");
+ break;
+ case slang_asm_float_multiply:
+ fprintf (f, "float_multiply");
+ break;
+ case slang_asm_float_divide:
+ fprintf (f, "float_divide");
+ break;
+ case slang_asm_float_negate:
+ fprintf (f, "float_negate");
+ break;
+ case slang_asm_float_less:
+ fprintf (f, "float_less");
+ break;
+ case slang_asm_float_equal:
+ fprintf (f, "float_equal\t%d, %d", a->param[0], a->param[1]);
+ break;
+ case slang_asm_float_to_int:
+ fprintf (f, "float_to_int");
+ break;
+ case slang_asm_int_copy:
+ fprintf (f, "int_copy\t%d, %d", a->param[0], a->param[1]);
+ break;
+ case slang_asm_int_move:
+ fprintf (f, "int_move\t%d, %d", a->param[0], a->param[1]);
+ break;
+ case slang_asm_int_push:
+ fprintf (f, "int_push\t%d", (GLint) a->literal);
+ break;
+ case slang_asm_int_deref:
+ fprintf (f, "int_deref");
+ break;
+ case slang_asm_int_to_float:
+ fprintf (f, "int_to_float");
+ break;
+ case slang_asm_int_to_addr:
+ fprintf (f, "int_to_addr");
+ break;
+ case slang_asm_bool_copy:
+ fprintf (f, "bool_copy\t%d, %d", a->param[0], a->param[1]);
+ break;
+ case slang_asm_bool_move:
+ fprintf (f, "bool_move\t%d, %d", a->param[0], a->param[1]);
+ break;
+ case slang_asm_bool_push:
+ fprintf (f, "bool_push\t%d", a->literal != 0.0f);
+ break;
+ case slang_asm_bool_deref:
+ fprintf (f, "bool_deref");
+ break;
+ case slang_asm_addr_copy:
+ fprintf (f, "addr_copy");
+ break;
+ case slang_asm_addr_push:
+ fprintf (f, "addr_push\t%u", a->param[0]);
+ break;
+ case slang_asm_addr_deref:
+ fprintf (f, "addr_deref");
+ break;
+ case slang_asm_addr_add:
+ fprintf (f, "addr_add");
+ break;
+ case slang_asm_addr_multiply:
+ fprintf (f, "addr_multiply");
+ break;
+ case slang_asm_jump:
+ fprintf (f, "jump\t%u", a->param[0]);
+ break;
+ case slang_asm_jump_if_zero:
+ fprintf (f, "jump_if_zero\t%u", a->param[0]);
+ break;
+ case slang_asm_enter:
+ fprintf (f, "enter\t%u", a->param[0]);
+ break;
+ case slang_asm_leave:
+ fprintf (f, "leave");
+ break;
+ case slang_asm_local_alloc:
+ fprintf (f, "local_alloc\t%u", a->param[0]);
+ break;
+ case slang_asm_local_free:
+ fprintf (f, "local_free\t%u", a->param[0]);
+ break;
+ case slang_asm_local_addr:
+ fprintf (f, "local_addr\t%u, %u", a->param[0], a->param[1]);
+ break;
+ case slang_asm_call:
+ fprintf (f, "call\t%u", a->param[0]);
+ break;
+ case slang_asm_return:
+ fprintf (f, "return");
+ break;
+ case slang_asm_discard:
+ fprintf (f, "discard");
+ break;
+ case slang_asm_exit:
+ fprintf (f, "exit");
+ break;
+ default:
+ break;
+ }
+
+ fprintf (f, "\n");
+}
+
+static void dump (const slang_assembly_file *file)
+{
+ unsigned int i;
+ static unsigned int counter = 0;
+ FILE *f;
+ char filename[256];
+
+ counter++;
+ sprintf (filename, "~mesa-slang-assembly-dump-(%u).txt", counter);
+ f = fopen (filename, "w");
+ if (f == NULL)
+ return;
+
+ for (i = 0; i < file->count; i++)
+ dump_instruction (f, file->code + i, i);
+
+ fclose (f);
+}
+
+int _slang_execute (const slang_assembly_file *file)
+{
+ slang_machine mach;
+ FILE *f;
+
+ mach.ip = 0;
+ mach.sp = SLANG_MACHINE_STACK_SIZE;
+ mach.bp = 0;
+ mach.kill = 0;
+ mach.exit = 0;
+
+ /* assume 32-bit machine */
+ /* XXX why???, disabling the pointer size assertions here.
+ * See bug 4021.
+ */
+ _static_assert(sizeof (GLfloat) == 4);
+ /*_static_assert(sizeof (GLfloat *) == 4);*/
+ _static_assert(sizeof (GLuint) == 4);
+ /*_static_assert(sizeof (GLuint *) == 4);*/
+
+ dump (file);
+
+ f = fopen ("~mesa-slang-assembly-execution.txt", "w");
+
+ while (!mach.exit)
+ {
+ slang_assembly *a = file->code + mach.ip;
+ if (f != NULL)
+ {
+ unsigned int i;
+ dump_instruction (f, a, mach.ip);
+ fprintf (f, "\t\tsp=%u bp=%u\n", mach.sp, mach.bp);
+ for (i = mach.sp; i < SLANG_MACHINE_STACK_SIZE; i++)
+ fprintf (f, "\t%.5u\t%6f\t%u\n", i, mach.stack._float[i], mach.stack._addr[i]);
+ fflush (f);
+ }
+ mach.ip++;
+
+ switch (a->type)
+ {
+ case slang_asm_none:
+ break;
+ case slang_asm_float_copy:
+ case slang_asm_int_copy:
+ case slang_asm_bool_copy:
+ *(mach.stack._floatp[mach.sp + a->param[0] / 4] + a->param[1] / 4) =
+ mach.stack._float[mach.sp];
+ mach.sp++;
+ break;
+ case slang_asm_float_move:
+ case slang_asm_int_move:
+ case slang_asm_bool_move:
+ mach.stack._float[mach.sp + a->param[0] / 4] =
+ mach.stack._float[mach.sp + (mach.stack._addr[mach.sp] + a->param[1]) / 4];
+ break;
+ case slang_asm_float_push:
+ case slang_asm_int_push:
+ case slang_asm_bool_push:
+ mach.sp--;
+ mach.stack._float[mach.sp] = a->literal;
+ break;
+ case slang_asm_float_deref:
+ case slang_asm_int_deref:
+ case slang_asm_bool_deref:
+ mach.stack._float[mach.sp] = *mach.stack._floatp[mach.sp];
+ break;
+ case slang_asm_float_add:
+ mach.stack._float[mach.sp + 1] += mach.stack._float[mach.sp];
+ mach.sp++;
+ break;
+ case slang_asm_float_multiply:
+ mach.stack._float[mach.sp + 1] *= mach.stack._float[mach.sp];
+ mach.sp++;
+ break;
+ case slang_asm_float_divide:
+ mach.stack._float[mach.sp + 1] /= mach.stack._float[mach.sp];
+ mach.sp++;
+ break;
+ case slang_asm_float_negate:
+ mach.stack._float[mach.sp] = -mach.stack._float[mach.sp];
+ break;
+ case slang_asm_float_less:
+ mach.stack._float[mach.sp + 1] =
+ mach.stack._float[mach.sp + 1] < mach.stack._float[mach.sp] ? 1.0f : 0.0f;
+ mach.sp++;
+ break;
+ case slang_asm_float_equal:
+ mach.sp--;
+ mach.stack._float[mach.sp] = mach.stack._float[mach.sp + 1 + a->param[0] / 4] ==
+ mach.stack._float[mach.sp + 1 + a->param[1] / 4] ? 1.0f : 0.0f;
+ break;
+ case slang_asm_float_to_int:
+ mach.stack._float[mach.sp] = (GLfloat) (GLint) mach.stack._float[mach.sp];
+ break;
+ case slang_asm_int_to_float:
+ break;
+ case slang_asm_int_to_addr:
+ mach.stack._addr[mach.sp] = (GLuint) (GLint) mach.stack._float[mach.sp];
+ break;
+ case slang_asm_addr_copy:
+ *mach.stack._addrp[mach.sp + 1] = mach.stack._addr[mach.sp];
+ mach.sp++;
+ break;
+ case slang_asm_addr_push:
+ mach.sp--;
+ mach.stack._addr[mach.sp] = a->param[0];
+ break;
+ case slang_asm_addr_deref:
+ mach.stack._addr[mach.sp] = *mach.stack._addrp[mach.sp];
+ break;
+ case slang_asm_addr_add:
+ mach.stack._addr[mach.sp + 1] += mach.stack._addr[mach.sp];
+ mach.sp++;
+ break;
+ case slang_asm_addr_multiply:
+ mach.stack._addr[mach.sp + 1] *= mach.stack._addr[mach.sp];
+ mach.sp++;
+ break;
+ case slang_asm_jump:
+ mach.ip = a->param[0];
+ break;
+ case slang_asm_jump_if_zero:
+ if (mach.stack._float[mach.sp] == 0.0f)
+ mach.ip = a->param[0];
+ mach.sp++;
+ break;
+ case slang_asm_enter:
+ mach.sp--;
+ mach.stack._addr[mach.sp] = mach.bp;
+ mach.bp = mach.sp + a->param[0] / 4;
+ break;
+ case slang_asm_leave:
+ mach.bp = mach.stack._addr[mach.sp];
+ mach.sp++;
+ break;
+ case slang_asm_local_alloc:
+ mach.sp -= a->param[0] / 4;
+ break;
+ case slang_asm_local_free:
+ mach.sp += a->param[0] / 4;
+ break;
+ case slang_asm_local_addr:
+ mach.sp--;
+ mach.stack._addr[mach.sp] = (GLuint) mach.stack._addr + mach.bp * 4 -
+ (a->param[0] + a->param[1]) + 4;
+ break;
+ case slang_asm_call:
+ mach.sp--;
+ mach.stack._addr[mach.sp] = mach.ip;
+ mach.ip = a->param[0];
+ break;
+ case slang_asm_return:
+ mach.ip = mach.stack._addr[mach.sp];
+ mach.sp++;
+ break;
+ case slang_asm_discard:
+ mach.kill = 1;
+ break;
+ case slang_asm_exit:
+ mach.exit = 1;
+ break;
+ }
+ }
+
+ if (f != NULL)
+ fclose (f);
+
+ return 0;
+}
+