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# a linker script template.
# RAMSTART - start of board's ram
# RAMSIZE - size of board's ram
# RAMDBUG - bytes at start of RAM for DBUG use
cat <<EOF
STARTUP(crt0.o)
OUTPUT_ARCH(m68k)
/* DBUG loads SREC files */
/*OUTPUT_FORMAT(srec)*/
ENTRY(start)
SEARCH_DIR(.)
GROUP(-ldbug -lc -lgcc -ldbug)
__DYNAMIC = 0;
MEMORY
{
ram (rwx) : ORIGIN = ${RAMSTART} + ${RAMDBUG:-0},
LENGTH = ${RAMSIZE} - ${RAMDBUG:-0}
}
PROVIDE (__stack = ${RAMSTART} + ${RAMSIZE});
/*
* Initalize some symbols to be zero so we can reference them in the
* crt0 without core dumping. These functions are all optional, but
* we do this so we can have our crt0 always use them if they exist.
* This is so BSPs work better when using the crt0 installed gcc.
* We have to initalize them twice, so we cover a.out (which prepends
* an underscore) and coff object file formats.
*/
PROVIDE (hardware_init_hook = 0);
PROVIDE (_hardware_init_hook = 0);
PROVIDE (software_init_hook = 0);
PROVIDE (_software_init_hook = 0);
/*
* stick everything in ram (of course)
*/
SECTIONS
{
.text :
{
CREATE_OBJECT_SYMBOLS
*(.text .text.*)
. = ALIGN(0x4);
/* These are for running static constructors and destructors under ELF. */
KEEP (*crtbegin.o(.ctors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
KEEP (*(SORT(.ctors.*)))
KEEP (*(.ctors))
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))
*(.rodata .rodata.*)
. = ALIGN(0x4);
*(.gcc_except_table)
. = ALIGN(0x4);
*(.eh_frame)
. = ALIGN(0x4);
__INIT_SECTION__ = . ;
LONG (0x4e560000) /* linkw %fp,#0 */
*(.init)
SHORT (0x4e5e) /* unlk %fp */
SHORT (0x4e75) /* rts */
. = ALIGN(0x4);
__FINI_SECTION__ = . ;
LONG (0x4e560000) /* linkw %fp,#0 */
*(.fini)
SHORT (0x4e5e) /* unlk %fp */
SHORT (0x4e75) /* rts */
_etext = .;
*(.lit)
} > ram
.data :
{
*(.got.plt) *(.got)
*(.shdata)
*(.data .data.*)
_edata = .;
} > ram
.bss :
{
. = ALIGN(0x4);
__bss_start = . ;
*(.shbss)
*(.bss .bss.*)
*(COMMON)
_end = ALIGN (0x8);
__end = _end;
} > ram
.stab 0 (NOLOAD) :
{
*(.stab)
}
.stabstr 0 (NOLOAD) :
{
*(.stabstr)
}
}
EOF
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