+ perror ("Cannot exec linker");
+ exit (1);
+ }
+}
+
+static bool
+_parseOptions (int *pargc, char **argv, int *i)
+{
+ if (argv[*i][0] == '-')
+ {
+ if (argv[*i][1] == 'b' && IS_GB)
+ {
+ int bank = atoi (argv[*i] + 3);
+ char buffer[128];
+ switch (argv[*i][2])
+ {
+ case 'o':
+ /* ROM bank */
+ sprintf (buffer, "CODE_%u", bank);
+ gbz80_port.mem.code_name = gc_strdup (buffer);
+ return TRUE;
+ case 'a':
+ /* RAM bank */
+ sprintf (buffer, "DATA_%u", bank);
+ gbz80_port.mem.data_name = gc_strdup (buffer);
+ return TRUE;
+ }
+ }
+ else if (!strncmp (argv[*i], "--asm=", 6))
+ {
+ if (!strcmp (argv[*i], "--asm=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 (argv[*i], "--asm=asxxxx"))
+ {
+ _G.asmType = ASM_TYPE_ASXXXX;
+ return TRUE;
+ }
+ else if (!strcmp (argv[*i], "--asm=isas"))
+ {
+ asm_addTree (&_isas_gb);
+ /* Munge the function prefix */
+ gbz80_port.fun_prefix = "";
+ _G.asmType = ASM_TYPE_ISAS;
+ return TRUE;
+ }
+ }
+ }
+ return FALSE;
+}
+
+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);
+}
+
+static void
+_setDefaultOptions (void)
+{
+ options.genericPtr = 1; /* default on */
+ options.nopeep = 0;
+ options.stackAuto = 1;
+ options.mainreturn = 1;
+ /* first the options part */
+ options.intlong_rent = 1;
+ options.noRegParams = 1;
+ /* Default code and data locations. */
+ options.code_loc = 0x200;
+ 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];
+
+ if (TARGET_IS_Z80)
+ {
+ sprintf(buffer, "%s_rr%s_%s", original,
+ options.profile ? "f" : "x",
+ options.noRegParams ? "s" : "bds"
+ );
+ }
+ else
+ {
+ strcpy(buffer, original);
+ }
+
+ return gc_strdup(buffer);
+}
+
+static const char *
+_getRegName (struct regs *reg)
+{
+ if (reg)
+ return reg->name;
+ assert (0);
+ return "err";
+}
+
+/** $1 is always the basename.
+ $2 is always the output file.
+ $3 varies
+ $l is the list of extra options that should be there somewhere...
+ MUST be terminated with a NULL.
+*/
+static const char *_z80_linkCmd[] =
+{
+ "link-z80",
+ "-n", // Don't echo output
+ "-c", // Command line input
+ "--", // Again, command line input...
+ "-b_CODE=0x200", // Code starts at 0x200
+ "-b_DATA=0x8000", // RAM starts at 0x8000
+ "-j", // Output a symbol file as well
+ "-k" SDCC_LIB_DIR "/z80", // Library path
+ "-lz80.lib", // Library to use
+ "-i", // Output Intel IHX
+ "$1.ihx", // Output to
+ SDCC_LIB_DIR "/z80/crt0.o", // Link in crt0 first
+ "$1.o", // Actual code
+ NULL
+};
+
+/* sprintf that appends to the string. */
+static void
+_saprintf(char *pinto, const char *format, ...)
+{
+ va_list ap;
+ va_start(ap, format);
+
+ vsprintf(pinto + strlen(pinto), format, ap);
+ va_end(ap);
+}
+
+static void
+_z80_link(void)
+{
+ int i;
+ // PENDING
+ char buffer[2048];
+
+ sprintf(buffer,
+ "link-z80 "
+ "-n " // Don't echo output
+ "-c " // Command line input
+ "-- " // Again, command line input...
+ "-b_CODE=0x%04X " // Code starts at 0x200
+ "-b_DATA=0x%04X " // RAM starts at 0x8000
+ "-j ", // Output a symbol file as well
+ options.code_loc,
+ options.data_loc
+ );
+
+ // Add the standard lib in.
+ if (options.nostdlib == FALSE) {
+ _saprintf(buffer,
+ "-k" SDCC_LIB_DIR "/z80 " // Library path
+ "-lz80.lib " // Library to use
+ );
+ }
+
+ // Add in the library paths and libraries
+ for (i = 0; i < nlibFiles; i++) {
+ _saprintf(buffer, "-k%s ", libFiles[i]);
+ }
+ for (i = 0; i < nlibPaths; i++) {
+ _saprintf(buffer, "-l%s ", libPaths[i]);
+ }
+
+ _saprintf(buffer,
+ "-i " // Output Intel IHX
+ "%s.ihx ", // Output to
+ srcFileName
+ );
+
+ if (options.nostdlib == FALSE) {
+ _saprintf(buffer,
+ SDCC_LIB_DIR "/z80/crt0.o " // Link in crt0 first
+ );
+ }
+
+ _saprintf(buffer,
+ "%s.o ", // Actual code
+ srcFileName
+ );
+
+ // Append all the other targets
+ for (i = 0; i < nrelFiles; i++) {
+ _saprintf(buffer, "%s ", relFiles[i]);
+ }
+
+ // Do it.
+ if (my_system (buffer)) {
+ exit(1);
+ }
+}
+
+static const char *_z80_asmCmd[] =
+{
+ "as-z80", "-plosgff", "$1.o", "$1.asm", NULL
+};
+
+/** $1 is always the basename.
+ $2 is always the output file.
+ $3 varies
+ $l is the list of extra options that should be there somewhere...
+ MUST be terminated with a NULL.
+*/
+static const char *_gbz80_linkCmd[] =
+{
+ // PENDING
+ "link-gbz80", "-nf", "$1", NULL
+};
+
+static const char *_gbz80_asmCmd[] =
+{
+ "as-gbz80", "-plosgff", "$1.o", "$1.asm", NULL
+};
+
+/* Globals */
+PORT z80_port =
+{
+ TARGET_ID_Z80,
+ "z80",
+ "Zilog Z80", /* Target name */
+ {
+ FALSE,
+ MODEL_MEDIUM | MODEL_SMALL,
+ MODEL_SMALL
+ },
+ {
+ _z80_asmCmd,
+ "-plosgff", /* Options with debug */
+ "-plosgff", /* Options without debug */
+ 0,
+ ".asm"
+ },
+ {
+ _z80_linkCmd,
+ _z80_link,
+ ".o"
+ },
+ {
+ _z80_defaultRules
+ },
+ {
+ /* Sizes: char, short, int, long, ptr, fptr, gptr, bit, float, max */
+ 1, 2, 2, 4, 2, 2, 2, 1, 4, 4
+ },
+ {
+ "XSEG",
+ "STACK",
+ "CODE",
+ "DATA",
+ "ISEG",
+ "XSEG",
+ "BSEG",
+ "RSEG",
+ "GSINIT",
+ "OVERLAY",
+ "GSFINAL",
+ "HOME",
+ NULL,
+ NULL,
+ 1
+ },
+ {
+ -1, 0, 0, 4, 0, 2
+ },