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Retro68/gcc/libgloss/mt/ms2.ld
Wolfgang Thaller 1c3ad08d54 add libgloss and newlib 1.20.0 to gcc directory
2012-03-27 01:51:53 +02:00

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OUTPUT_FORMAT("elf32-mt", "elf32-mt", "elf32-mt")
OUTPUT_ARCH(mt)
ENTRY(__boot_start)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
MEMORY
{
ram (rwx) : ORIGIN = 0x0, LENGTH = 16M
sram (wx) : ORIGIN = 0xfef00000, LENGTH = 64K
frame-buffer (w) : ORIGIN = 0xff000000, LENGTH = 80K
dma-ram (w) : ORIGIN = 0x1000000, LENGTH = 32M
ports (w) : ORIGIN = 0xfffff000, LENGTH = 4K
}
SECTIONS
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/* Adjust the address for the data segment. We want to adjust up to
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/* Exception handling */
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/* Ensure the __preinit_array_start label is properly aligned. We
could instead move the label definition inside the section, but
the linker would then create the section even if it turns out to
be empty, which isn't pretty. */
. = ALIGN(32 / 8);
PROVIDE (__preinit_array_start = .);
.preinit_array : { *(.preinit_array) } >ram
PROVIDE (__preinit_array_end = .);
PROVIDE (__init_array_start = .);
.init_array : { *(.init_array) } >ram
PROVIDE (__init_array_end = .);
PROVIDE (__fini_array_start = .);
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PROVIDE (__fini_array_end = .);
.ctors :
{
/* gcc uses crtbegin.o to find the start of
the constructors, so we make sure it is
first. Because this is a wildcard, it
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actually link against crtbegin.o; the
linker won't look for a file to match a
wildcard. The wildcard also means that it
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KEEP (*crtbegin.o(.ctors))
/* We don't want to include the .ctor section from
from the crtend.o file until after the sorted ctors.
The .ctor section from the crtend file contains the
end of ctors marker and it must be last */
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
} >ram
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KEEP (*crtbegin*.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
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/* DJK - Re-align the data section from the read-only section. */
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KEEP (*(.gnu.linkonce.d.*personality*))
SORT(CONSTRUCTORS)
} >ram
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/* We want the small data sections together, so single-instruction offsets
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. = ALIGN(32 / 8);
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PROVIDE (end = .);
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*(.auxdata.bank4)
*(.auxdata)
} >frame-buffer
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_fbbss_end = _fbbss_start + SIZEOF ( .auxbss ) - 4;
_fbdata_start = LOADADDR ( .auxdata );
_fbdata_end = _fbdata_start + SIZEOF ( .auxdata ) ;
_fbdata_vma = ADDR ( .auxdata );
PROVIDE (__FRAME_BUFFER_START = ADDR(.auxbss) );
PROVIDE (__FRAME_BUFFER_SIZE = 0x14000);
PROVIDE (__FRAME_BUFFER_END = __FRAME_BUFFER_START + __FRAME_BUFFER_SIZE);
/* For now, locate data ahead of code in onchip sram/memory. */
.sram : AT (LOADADDR(.auxdata) + SIZEOF(.auxdata))
{
*(.sram.data)
. = ALIGN(4) ; /* Make sure that instructions are aligned... */
*(.sram.text)
} >sram
_sram_data_start = LOADADDR ( .sram );
_sram_data_end = _sram_data_start + SIZEOF ( .sram ) ;
_sram_data_vma = ADDR ( .sram );
.dma : { _dma_start = .; *(.dma) _dma_end = .; } >dma-ram
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/* GNU DWARF 1 extensions */
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/* In a multi-core environment, each core is given its own stack space
equal to __stack_size, growing downwards. */
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PROVIDE (__stack_size = 0x800);
.stack (DEFINED(__stack) ? __stack : 0x007ffff0) :
{
__stack = .;
*(.stack)
LONG(0xdeaddead)
}
/DISCARD/ : { *(.note.GNU-stack) }
}
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