Retro68/gcc/libgloss/m68k/cf.sc
2012-03-27 01:51:53 +02:00

140 lines
3.0 KiB
Scala

# a linker script template.
# RAM - start of board's ram
# RAM_SIZE - size of board's ram
# ROM - start of board's rom
# ROM_SIZE - size of board's rom
# IO - io library name
test -z "${ROM:+1}" && NOROM=1
cat <<EOF
STARTUP(cf-${IO}-crt0.o)
OUTPUT_ARCH(m68k)
ENTRY(__start)
SEARCH_DIR(.)
GROUP(-lc -l${IO} -lcf)
__DYNAMIC = 0;
MEMORY
{
${ROM:+rom (rx) : ORIGIN = ${ROM}, LENGTH = ${ROM_SIZE}}
ram (rwx) : ORIGIN = ${RAM}, LENGTH = ${RAM_SIZE}
}
/* Place the stack at the end of memory, unless specified otherwise. */
PROVIDE (__stack = ${RAM} + ${RAM_SIZE});
SECTIONS
{
.text :
{
CREATE_OBJECT_SYMBOLS
*(.interrupt_vector)
cf-${IO}-crt0.o(.text)
*(.text .text.*)
*(.gnu.linkonce.t.*)
. = 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 (*crtend.o(.ctors))
KEEP (*crtbegin.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*crtend.o(.dtors))
. = ALIGN(0x4);
KEEP (*crtbegin.o(.jcr))
KEEP (*(EXCLUDE_FILE (*crtend.o) .jcr))
KEEP (*crtend.o(.jcr))
*(.rodata .rodata.*)
*(.gnu.linkonce.r.*)
. = ALIGN(0x4);
*(.gcc_except_table)
. = ALIGN(0x4);
*(.eh_frame)
. = ALIGN(0x4);
_init = . ;
LONG (0x4e560000) /* linkw %fp,#0 */
*(.init)
SHORT (0x4e5e) /* unlk %fp */
SHORT (0x4e75) /* rts */
. = ALIGN(0x4);
_fini = . ;
LONG (0x4e560000) /* linkw %fp,#0 */
*(.fini)
SHORT (0x4e5e) /* unlk %fp */
SHORT (0x4e75) /* rts */
*(.lit)
. = ALIGN(4);
_etext = .;
} >${ROM:+rom}${NOROM:+ram}
.data :
{
__data_load = LOADADDR (.data);
__data_start = .;
*(.got.plt) *(.got)
*(.shdata)
*(.data .data.*)
*(.gnu.linkonce.d.*)
. = ALIGN (4);
_edata = .;
} >ram ${ROM:+AT>rom}
.bss :
{
__bss_start = . ;
*(.shbss)
*(.bss .bss.*)
*(.gnu.linkonce.b.*)
*(COMMON)
. = ALIGN (8);
_end = .;
__end = _end;
} >ram ${ROM:+AT>rom}
.stab 0 (NOLOAD) :
{
*(.stab)
}
.stabstr 0 (NOLOAD) :
{
*(.stabstr)
}
/* DWARF debug sections.
Symbols in the DWARF debugging sections are relative to the beginning
of the section so we begin them at 0. */
/* DWARF 1 */
.debug 0 : { *(.debug) }
.line 0 : { *(.line) }
/* GNU DWARF 1 extensions */
.debug_srcinfo 0 : { *(.debug_srcinfo) }
.debug_sfnames 0 : { *(.debug_sfnames) }
/* DWARF 1.1 and DWARF 2 */
.debug_aranges 0 : { *(.debug_aranges) }
.debug_pubnames 0 : { *(.debug_pubnames) }
/* DWARF 2 */
.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
.debug_abbrev 0 : { *(.debug_abbrev) }
.debug_line 0 : { *(.debug_line) }
.debug_frame 0 : { *(.debug_frame) }
.debug_str 0 : { *(.debug_str) }
.debug_loc 0 : { *(.debug_loc) }
.debug_macinfo 0 : { *(.debug_macinfo) }
}
EOF