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d5092d2d3f
In normal situations it isn't too useful to define symbols for optional segments as those symbols can't be presumed to be always present. I in fact suspect that most currently present combinations of 'define' and 'optional' aren't useful - apart form the overlay configurations of course.
45 lines
1.7 KiB
INI
45 lines
1.7 KiB
INI
# ld65 Linker-configuration for LUnix, Next Generation.
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SYMBOLS {
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__HEAPSIZE__: type = weak, value = $2000; # 8k heap [temporary, until LUnix malloc() exists]
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__STACKSIZE__: type = weak, value = $0400; # 1k stack (do typical LUnix apps. need 2k?)
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}
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MEMORY {
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ZP: start = $0080, size = $0040;
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MAIN: start = %S, size = $7600 - __STACKSIZE__;
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}
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SEGMENTS {
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ZEROPAGE: load = ZP, type = zp, define = yes; # Pseudo-registers
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STARTUP: load = MAIN, type = ro; # First initialization code
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LOWCODE: load = MAIN, type = ro, optional = yes; # Legacy from other platforms
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ONCE: load = MAIN, type = ro, optional = yes; # Library initialization code
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CODE: load = MAIN, type = ro; # Program
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RODATA: load = MAIN, type = ro; # Literals, constants
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DATA: load = MAIN, type = rw; # Initialized variables
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BSS: load = MAIN, type = bss, define = yes; # Uninitialized variables
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}
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FEATURES {
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CONDES: type = constructor,
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label = __CONSTRUCTOR_TABLE__,
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count = __CONSTRUCTOR_COUNT__,
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segment = ONCE;
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CONDES: type = destructor,
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label = __DESTRUCTOR_TABLE__,
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count = __DESTRUCTOR_COUNT__,
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segment = RODATA;
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CONDES: type = interruptor,
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label = __INTERRUPTOR_TABLE__,
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count = __INTERRUPTOR_COUNT__,
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segment = RODATA,
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import = __CALLIRQ__;
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}
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FILES {
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%O: format = o65;
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}
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FORMATS {
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o65: os = lunix,
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type = small,
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export = main, # Program entry-point
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import = LUNIXKERNEL; # Kernel entry-points
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}
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