Added secondary linker config for Atari overlays (located below main program like...

git-svn-id: svn://svn.cc65.org/cc65/trunk@5741 b7a2c559-68d2-44c3-8de9-860c34a00d81

diff --git a/src/ld65/cfg/atari-overlay.cfg b/src/ld65/cfg/atari-overlay.cfg
new file mode 100644 (file)
index 0000000..9e1e0ce
--- /dev/null
+++ b/src/ld65/cfg/atari-overlay.cfg
@@ -0,0 +1,60 @@
+FEATURES {
+    STARTADDRESS: default = $2E00;
+}
+SYMBOLS {
+    __STACKSIZE__:       type = weak, value = $0800; # 2k stack
+    __OVERLAYSIZE__:     type = weak, value = $1000; # 4k overlay
+    __RESERVED_MEMORY__: type = weak, value = $0000;
+}
+MEMORY {
+    ZP:      file = "", define = yes, start = $0082,                size = $007E;
+    HEADER:  file = %O,               start = $0000,                size = $0006;
+    RAM:     file = %O,               start = %S + __OVERLAYSIZE__, size = $BC20 - __STACKSIZE__ - __OVERLAYSIZE__ - %S;
+    TRAILER: file = %O,               start = $0000,                size = $0006;
+    OVL1:    file = "%O.1",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL2:    file = "%O.2",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL3:    file = "%O.3",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL4:    file = "%O.4",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL5:    file = "%O.5",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL6:    file = "%O.6",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL7:    file = "%O.7",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL8:    file = "%O.8",           start = %S,                   size = __OVERLAYSIZE__;
+    OVL9:    file = "%O.9",           start = %S,                   size = __OVERLAYSIZE__;
+}
+SEGMENTS {
+    EXEHDR:   load = HEADER,  type = ro;
+    STARTUP:  load = RAM,     type = ro,  define = yes;
+    LOWCODE:  load = RAM,     type = ro,  define = yes, optional = yes;
+    INIT:     load = RAM,     type = ro,                optional = yes;
+    CODE:     load = RAM,     type = ro,  define = yes;
+    RODATA:   load = RAM,     type = ro;
+    DATA:     load = RAM,     type = rw;
+    ZPSAVE:   load = RAM,     type = bss, define = yes;
+    BSS:      load = RAM,     type = bss, define = yes;
+    ZEROPAGE: load = ZP,      type = zp;
+    EXTZP:    load = ZP,      type = zp,                optional = yes;
+    AUTOSTRT: load = TRAILER, type = ro;
+    OVERLAY1: load = OVL1,    type = ro,  define = yes, optional = yes;
+    OVERLAY2: load = OVL2,    type = ro,  define = yes, optional = yes;
+    OVERLAY3: load = OVL3,    type = ro,  define = yes, optional = yes;
+    OVERLAY4: load = OVL4,    type = ro,  define = yes, optional = yes;
+    OVERLAY5: load = OVL5,    type = ro,  define = yes, optional = yes;
+    OVERLAY6: load = OVL6,    type = ro,  define = yes, optional = yes;
+    OVERLAY7: load = OVL7,    type = ro,  define = yes, optional = yes;
+    OVERLAY8: load = OVL8,    type = ro,  define = yes, optional = yes;
+    OVERLAY9: load = OVL9,    type = ro,  define = yes, optional = yes;
+}
+FEATURES {
+    CONDES: segment = INIT,
+           type    = constructor,
+           label   = __CONSTRUCTOR_TABLE__,
+           count   = __CONSTRUCTOR_COUNT__;
+    CONDES: segment = RODATA,
+           type    = destructor,
+           label   = __DESTRUCTOR_TABLE__,
+           count   = __DESTRUCTOR_COUNT__;
+    CONDES: segment = RODATA,
+           type    = interruptor,
+           label   = __INTERRUPTOR_TABLE__,
+           count   = __INTERRUPTOR_COUNT__;
+}