+# ld65 Linker-configuration for LUnix, Next Generation.
+
+SYMBOLS {
+ __HEAPSIZE__: value = $2000, weak = yes; # 8k heap [temporary, until LUnix malloc() exists]
+ __STACKSIZE__: value = $0400, weak = yes; # 1k stack (do typical LUnix apps. need 2k?)
+}
MEMORY {
- COMBINED: start = $0000, size = $FFFF, file = %O;
+ ZP: start = $0080, size = $0040;
+ RAM: start = %S, size = $7600 - __STACKSIZE__;
}
SEGMENTS {
- ZEROPAGE: load = COMBINED, type = zp;
- CODE: load = COMBINED, type = wprot;
- RODATA: load = COMBINED, type = wprot;
- DATA: load = COMBINED, type = rw, define = yes;
- BSS: load = COMBINED, type = bss, define = yes;
+ ZEROPAGE: load = ZP, type = zp, define = yes; # Pseudo-registers
+ STARTUP: load = RAM, type = ro; # First initialization code
+ LOWCODE: load = RAM, type = ro, optional = yes; # Legacy from other platforms
+ INIT: load = RAM, type = ro, define = yes, optional = yes; # Library initialization code
+ CODE: load = RAM, type = ro; # Program
+ RODATA: load = RAM, type = ro; # Literals, constants
+ DATA: load = RAM, type = rw; # Initialized variables
+ BSS: load = RAM, type = bss, define = yes; # Uninitialized variables
}
FEATURES {
+ CONDES: segment = INIT,
+ type = constructor,
+ label = __CONSTRUCTOR_TABLE__,
+ count = __CONSTRUCTOR_COUNT__;
CONDES: segment = RODATA,
- type = constructor,
- label = __CONSTRUCTOR_TABLE__,
- count = __CONSTRUCTOR_COUNT__;
+ type = destructor,
+ label = __DESTRUCTOR_TABLE__,
+ count = __DESTRUCTOR_COUNT__;
CONDES: segment = RODATA,
- type = destructor,
- label = __DESTRUCTOR_TABLE__,
- count = __DESTRUCTOR_COUNT__;
+ type = interruptor,
+ label = __INTERRUPTOR_TABLE__,
+ count = __INTERRUPTOR_COUNT__;
}
FILES {
%O: format = o65;
}
FORMATS {
- o65: os = lunix, type = small,
- import = LUNIXKERNEL,
- export = _main;
-}
-SYMBOLS {
- __STACKSIZE__ = $800; # 2K stack
+ o65: os = lunix,
+ type = small,
+ export = main, # Program entry-point
+ import = LUNIXKERNEL; # Kernel entry-points
}