+static void
+_gbz80_rgblink (void)
+{
+ FILE *lnkfile;
+
+ /* first we need to create the <filename>.lnk file */
+ sprintf (scratchFileName, "%s.lnk", dstFileName);
+ if (!(lnkfile = fopen (scratchFileName, "w")))
+ {
+ werror (E_FILE_OPEN_ERR, scratchFileName);
+ exit (1);
+ }
+
+ fprintf (lnkfile, "[Objects]\n");
+
+ fprintf (lnkfile, "%s.o\n", dstFileName);
+
+ fputStrSet(lnkfile, relFilesSet);
+
+ fprintf (lnkfile, "\n[Libraries]\n");
+ /* additional libraries if any */
+ fputStrSet(lnkfile, libFilesSet);
+
+ fprintf (lnkfile, "\n[Output]\n" "%s.gb", dstFileName);
+
+ fclose (lnkfile);
+
+ buildCmdLine (buffer,port->linker.cmd, dstFileName, NULL, NULL, NULL);
+ /* call the linker */
+ if (my_system (buffer))
+ {
+ perror ("Cannot exec linker");
+ exit (1);
+ }
+}
+
+static bool
+_parseOptions (int *pargc, char **argv, int *i)
+{
+ if (argv[*i][0] == '-')
+ {
+ if (IS_GB)
+ {
+ if (!strncmp (argv[*i], OPTION_BO, sizeof (OPTION_BO) - 1))
+ {
+ /* ROM bank */
+ int bank = getIntArg (OPTION_BO, argv, i, *pargc);
+ struct dbuf_s buffer;
+
+ dbuf_init (&buffer, 16);
+ dbuf_printf (&buffer, "CODE_%u", bank);
+ dbuf_c_str (&buffer);
+ /* ugly, see comment in src/port.h (borutr) */
+ gbz80_port.mem.code_name = dbuf_detach (&buffer);
+ options.code_seg = (char *)gbz80_port.mem.code_name;
+ return TRUE;
+ }
+ else if (!strncmp (argv[*i], OPTION_BA, sizeof (OPTION_BA) - 1))
+ {
+ /* RAM bank */
+ int bank = getIntArg (OPTION_BA, argv, i, *pargc);
+ struct dbuf_s buffer;
+
+ dbuf_init (&buffer, 16);
+ dbuf_printf (&buffer, "DATA_%u", bank);
+ dbuf_c_str (&buffer);
+ /* ugly, see comment in src/port.h (borutr) */
+ gbz80_port.mem.data_name = dbuf_detach (&buffer);
+ return TRUE;
+ }
+ }
+ else if (!strncmp (argv[*i], OPTION_ASM, sizeof (OPTION_ASM) - 1))
+ {
+ char *asmblr = getStringArg (OPTION_ASM, argv, i, *pargc);
+
+ if (!strcmp (asmblr, "rgbds"))
+ {
+ asm_addTree (&_rgbds_gb);
+ gbz80_port.assembler.cmd = _gbz80_rgbasmCmd;
+ gbz80_port.linker.cmd = _gbz80_rgblinkCmd;
+ gbz80_port.linker.do_link = _gbz80_rgblink;
+ _G.asmType = ASM_TYPE_RGBDS;
+ return TRUE;
+ }
+ else if (!strcmp (asmblr, "asxxxx"))
+ {
+ _G.asmType = ASM_TYPE_ASXXXX;
+ return TRUE;
+ }
+ else if (!strcmp (asmblr, "isas"))
+ {
+ asm_addTree (&_isas_gb);
+ /* Munge the function prefix */
+ gbz80_port.fun_prefix = "";
+ _G.asmType = ASM_TYPE_ISAS;
+ return TRUE;
+ }
+ else if (!strcmp (asmblr, "z80asm"))
+ {
+ port->assembler.externGlobal = TRUE;
+ asm_addTree (&_z80asm_z80);
+ _G.asmType = ASM_TYPE_ISAS;
+ return TRUE;
+ }
+ }
+ else if (!strncmp (argv[*i], OPTION_PORTMODE, sizeof (OPTION_PORTMODE) - 1))
+ {
+ char *portmode = getStringArg (OPTION_ASM, argv, i, *pargc);
+
+ if (!strcmp (portmode, "z80"))
+ {
+ z80_opts.port_mode = 80;
+ return TRUE;
+ }
+ else if (!strcmp (portmode, "z180"))
+ {
+ z80_opts.port_mode = 180;
+ return TRUE;
+ }
+ }
+ }
+ return FALSE;
+}
+
+static void
+_setValues(void)
+{
+ const char *s;
+
+ if (options.nostdlib == FALSE)
+ {
+ const char *s;
+ char path[PATH_MAX];
+ struct dbuf_s dbuf;
+
+ dbuf_init(&dbuf, PATH_MAX);
+
+ for (s = setFirstItem(libDirsSet); s != NULL; s = setNextItem(libDirsSet))
+ {
+ buildCmdLine2(path, sizeof path, "-k\"%s" DIR_SEPARATOR_STRING "{port}\" ", s);
+ dbuf_append_str(&dbuf, path);
+ }
+ buildCmdLine2(path, sizeof path, "-l\"{port}.lib\"", s);
+ dbuf_append_str(&dbuf, path);
+
+ setMainValue ("z80libspec", dbuf_c_str(&dbuf));
+ dbuf_destroy(&dbuf);
+
+ for (s = setFirstItem(libDirsSet); s != NULL; s = setNextItem(libDirsSet))
+ {
+ struct stat stat_buf;
+
+ buildCmdLine2(path, sizeof path, "%s" DIR_SEPARATOR_STRING "{port}" DIR_SEPARATOR_STRING "crt0{objext}", s);
+ if (stat(path, &stat_buf) == 0)
+ break;
+ }
+
+ if (s == NULL)
+ setMainValue ("z80crt0", "\"crt0{objext}\"");
+ else
+ {
+ char *buf;
+ size_t len = strlen(path) + 3;
+
+ buf = Safe_alloc(len);
+ SNPRINTF(buf, len, "\"%s\"", path);
+ setMainValue("z80crt0", buf);
+ Safe_free(buf);
+ }
+ }
+ else
+ {
+ setMainValue ("z80libspec", "");
+ setMainValue ("z80crt0", "");
+ }
+
+ setMainValue ("z80extralibfiles", (s = joinStrSet(libFilesSet)));
+ Safe_free((void *)s);
+ setMainValue ("z80extralibpaths", (s = joinStrSet(libPathsSet)));
+ Safe_free((void *)s);
+
+ if (IS_GB)
+ {
+ setMainValue ("z80outputtypeflag", "-Z");
+ setMainValue ("z80outext", ".gb");
+ }
+ else
+ {
+ setMainValue ("z80outputtypeflag", "-i");
+ setMainValue ("z80outext", ".ihx");
+ }
+
+ setMainValue ("stdobjdstfilename" , "{dstfilename}{objext}");
+ setMainValue ("stdlinkdstfilename", "{dstfilename}{z80outext}");
+
+ setMainValue ("z80extraobj", (s = joinStrSet(relFilesSet)));
+ Safe_free((void *)s);
+
+ sprintf (buffer, "-b_CODE=0x%04X -b_DATA=0x%04X", options.code_loc, options.data_loc);
+ setMainValue ("z80bases", buffer);
+}
+
+static void
+_finaliseOptions (void)
+{
+ port->mem.default_local_map = data;
+ port->mem.default_globl_map = data;
+ if (_G.asmType == ASM_TYPE_ASXXXX && IS_GB)
+ asm_addTree (&_asxxxx_gb);
+
+ _setValues();
+}
+
+static void
+_setDefaultOptions (void)
+{
+ options.nopeep = 0;
+ options.stackAuto = 1;
+ options.mainreturn = 1;
+ /* first the options part */
+ options.intlong_rent = 1;
+ options.float_rent = 1;
+ options.noRegParams = 1;
+ /* Default code and data locations. */
+ options.code_loc = 0x200;
+
+ if (IS_GB)
+ {
+ options.data_loc = 0xC000;
+ }
+ else
+ {
+ options.data_loc = 0x8000;
+ }
+
+ optimize.global_cse = 1;
+ optimize.label1 = 1;
+ optimize.label2 = 1;
+ optimize.label3 = 1;
+ optimize.label4 = 1;
+ optimize.loopInvariant = 1;
+ optimize.loopInduction = 1;
+}
+
+/* Mangaling format:
+ _fun_policy_params
+ where:
+ policy is the function policy
+ params is the parameter format
+
+ policy format:
+ rsp
+ where:
+ r is 'r' for reentrant, 's' for static functions
+ s is 'c' for callee saves, 'r' for caller saves
+ p is 'p' for profiling on, 'x' for profiling off
+ examples:
+ rr - reentrant, caller saves
+ params format:
+ A combination of register short names and s to signify stack variables.
+ examples:
+ bds - first two args appear in BC and DE, the rest on the stack
+ s - all arguments are on the stack.
+*/
+static char *
+_mangleSupportFunctionName(char *original)
+{
+ char buffer[128];
+
+ sprintf(buffer, "%s_rr%s_%s", original,
+ options.profile ? "f" : "x",
+ options.noRegParams ? "s" : "bds"
+ );
+
+ return Safe_strdup(buffer);
+}
+
+static const char *
+_getRegName (struct regs *reg)
+{
+ if (reg)
+ {
+ return reg->name;
+ }
+ /* assert (0); */
+ return "err";
+}
+
+static bool
+_hasNativeMulFor (iCode *ic, sym_link *left, sym_link *right)
+{
+ sym_link *test = NULL;
+ value *val;
+
+ if ( ic->op != '*')
+ {
+ return FALSE;
+ }
+
+ if ( IS_LITERAL (left))
+ {
+ test = left;
+ val = OP_VALUE (IC_LEFT (ic));
+ }
+ else if ( IS_LITERAL (right))
+ {
+ test = left;
+ val = OP_VALUE (IC_RIGHT (ic));
+ }
+ else
+ {
+ return FALSE;
+ }
+
+ if ( getSize (test) <= 2)
+ {
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+/* Indicate which extended bit operations this port supports */
+static bool
+hasExtBitOp (int op, int size)
+{
+ if (op == GETHBIT)
+ return TRUE;
+ else
+ return FALSE;
+}
+
+/* Indicate the expense of an access to an output storage class */
+static int
+oclsExpense (struct memmap *oclass)
+{
+ if (IN_FARSPACE(oclass))
+ return 1;
+
+ return 0;
+}
+
+
+#define LINKCMD "link-{port} -nf {dstfilename}"
+/*
+#define LINKCMD \
+ "link-{port} -n -c -- {z80bases} -m -j" \
+ " {z80libspec}" \
+ " {z80extralibfiles} {z80extralibpaths}" \
+ " {z80outputtypeflag} \"{linkdstfilename}\"" \
+ " {z80crt0}" \
+ " \"{dstfilename}{objext}\"" \
+ " {z80extraobj}"
+*/
+
+#define ASMCMD \
+ "as-{port} -plosgff \"{objdstfilename}\" \"{dstfilename}{asmext}\""
+