--- /dev/null
+/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
+ * Mupen64plus - assemble.c *
+ * Mupen64Plus homepage: http://code.google.com/p/mupen64plus/ *
+ * Copyright (C) 2002 Hacktarux *
+ * *
+ * This program is free software; you can redistribute it and/or modify *
+ * it under the terms of the GNU General Public License as published by *
+ * the Free Software Foundation; either version 2 of the License, or *
+ * (at your option) any later version. *
+ * *
+ * This program is distributed in the hope that it will be useful, *
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of *
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
+ * GNU General Public License for more details. *
+ * *
+ * You should have received a copy of the GNU General Public License *
+ * along with this program; if not, write to the *
+ * Free Software Foundation, Inc., *
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. *
+ * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
+
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "assemble.h"
+
+#include "api/m64p_types.h"
+#include "api/callbacks.h"
+#include "osal/preproc.h"
+#include "r4300/recomph.h"
+#include "r4300/recomp.h"
+#include "r4300/r4300.h"
+
+typedef struct _jump_table
+{
+ unsigned int mi_addr;
+ unsigned int pc_addr;
+} jump_table;
+
+static jump_table *jumps_table = NULL;
+static int jumps_number, max_jumps_number;
+
+void init_assembler(void *block_jumps_table, int block_jumps_number, void *block_riprel_table, int block_riprel_number)
+{
+ if (block_jumps_table)
+ {
+ jumps_table = (jump_table *) block_jumps_table;
+ jumps_number = block_jumps_number;
+ max_jumps_number = jumps_number;
+ }
+ else
+ {
+ jumps_table = (jump_table *) malloc(1000*sizeof(jump_table));
+ jumps_number = 0;
+ max_jumps_number = 1000;
+ }
+}
+
+void free_assembler(void **block_jumps_table, int *block_jumps_number, void **block_riprel_table, int *block_riprel_number)
+{
+ *block_jumps_table = jumps_table;
+ *block_jumps_number = jumps_number;
+ *block_riprel_table = NULL; /* RIP-relative addressing is only for x86-64 */
+ *block_riprel_number = 0;
+}
+
+void add_jump(unsigned int pc_addr, unsigned int mi_addr)
+{
+ if (jumps_number == max_jumps_number)
+ {
+ max_jumps_number += 1000;
+ jumps_table = (jump_table *) realloc(jumps_table, max_jumps_number*sizeof(jump_table));
+ }
+ jumps_table[jumps_number].pc_addr = pc_addr;
+ jumps_table[jumps_number].mi_addr = mi_addr;
+ jumps_number++;
+}
+
+void passe2(precomp_instr *dest, int start, int end, precomp_block *block)
+{
+ unsigned int real_code_length, addr_dest;
+ int i;
+ build_wrappers(dest, start, end, block);
+ real_code_length = code_length;
+
+ for (i=0; i < jumps_number; i++)
+ {
+ code_length = jumps_table[i].pc_addr;
+ if (dest[(jumps_table[i].mi_addr - dest[0].addr)/4].reg_cache_infos.need_map)
+ {
+ addr_dest = (unsigned int)dest[(jumps_table[i].mi_addr - dest[0].addr)/4].reg_cache_infos.jump_wrapper;
+ put32(addr_dest-((unsigned int)block->code+code_length)-4);
+ }
+ else
+ {
+ addr_dest = dest[(jumps_table[i].mi_addr - dest[0].addr)/4].local_addr;
+ put32(addr_dest-code_length-4);
+ }
+ }
+ code_length = real_code_length;
+}
+
+static unsigned int g_jump_start8 = 0;
+static unsigned int g_jump_start32 = 0;
+
+void jump_start_rel8(void)
+{
+ g_jump_start8 = code_length;
+}
+
+void jump_start_rel32(void)
+{
+ g_jump_start32 = code_length;
+}
+
+void jump_end_rel8(void)
+{
+ unsigned int jump_end = code_length;
+ int jump_vec = jump_end - g_jump_start8;
+
+ if (jump_vec > 127 || jump_vec < -128)
+ {
+ DebugMessage(M64MSG_ERROR, "8-bit relative jump too long! From %x to %x", g_jump_start8, jump_end);
+ OSAL_BREAKPOINT_INTERRUPT;
+ }
+
+ code_length = g_jump_start8 - 1;
+ put8(jump_vec);
+ code_length = jump_end;
+}
+
+void jump_end_rel32(void)
+{
+ unsigned int jump_end = code_length;
+ int jump_vec = jump_end - g_jump_start32;
+
+ code_length = g_jump_start32 - 4;
+ put32(jump_vec);
+ code_length = jump_end;
+}