Subversion Repositories open8_urisc

# This is for embedded products (no MMU) with ELF.

MACHINE=

SCRIPT_NAME=elf

TEMPLATE_NAME=elf32

# Symbols have underscore prepended.

OUTPUT_FORMAT="elf32-us-cris"

NO_REL_RELOCS=yes

ARCH=cris

MAXPAGESIZE=32

ENTRY=__start

EMBEDDED=yes

ALIGNMENT=32

TEXT_START_ADDR=0

# Put crt0 for flash/eprom etc. in this section.

INITIAL_READONLY_SECTIONS=

if test -z "${CREATE_SHLIB}"; then

  INITIAL_READONLY_SECTIONS=".interp       ${RELOCATING-0} : { *(.interp) }"

fi

INITIAL_READONLY_SECTIONS="${INITIAL_READONLY_SECTIONS}

  .startup : { KEEP(*(.startup)) }"

# Setting __Stext to . in TEXT_START_SYMBOLS doesn't get what we want

# most of the time, which is the start of all read-only sections;

# there's at least .startup and .init before it.  We have to resort to

# trickery.  Note that __Stext is always defined, not PROVIDE:d, since

# external tools look for it.

TEXT_START_SYMBOLS='__Stext = ADDR (.startup);'

# The __start dance is to get us through assumptions about entry

# symbols, and to clear _start for normal use with sane programs.

EXECUTABLE_SYMBOLS='

__start = DEFINED(__start) ? __start :

  DEFINED(_start) ? _start :

    DEFINED(start) ? start :

      DEFINED(.startup) ? .startup + 2 : 2;

'

# Smuggle an "OTHER_TEXT_END_SYMBOLS" here.

OTHER_READONLY_SECTIONS="${RELOCATING+PROVIDE (__Etext = .);}"

DATA_START_SYMBOLS='PROVIDE (__Sdata = .);'

# Smuggle an "OTHER_DATA_END_SYMBOLS" here.

OTHER_SDATA_SECTIONS="${RELOCATING+PROVIDE (__Edata = .);}"

# If .bss does not immediately follow .data but has its own start

# address, we can't get to it with OTHER_BSS_SYMBOLS, neither can we

# use ADDR(.bss) there.  Instead, we use the symbol support for the

# end symbol.

OTHER_BSS_END_SYMBOLS='

 PROVIDE (__Ebss = .);

 __Sbss = ADDR (.bss);

 PROVIDE (_bss_start = __Sbss);

'

OTHER_END_SYMBOLS='PROVIDE (__end = .);'

INIT_START='

 . = ALIGN(2);

 ___init__start = .;

 PROVIDE (___do_global_ctors = .);

'

INIT_END='

 PROVIDE (__init__end = .);

 PROVIDE (___init__end = .);

'

FINI_START='

 . = ALIGN (2);

 ___fini__start = .;

 PROVIDE (___do_global_dtors = .);

'

FINI_END='

 PROVIDE (__fini__end = .);

 ___fini__end = .;

'

CTOR_START='

 PROVIDE (___ctors = .);

 ___elf_ctors_dtors_begin = .;

'

CTOR_END='

 PROVIDE (___ctors_end = .);

'

DTOR_START='

 PROVIDE (___dtors = .);

'

CTOR_END='

 PROVIDE (___dtors_end = .);

 ___elf_ctors_dtors_end = .;

'

# Also add the other symbols provided for rsim/xsim and elinux.

OTHER_SYMBOLS='

  PROVIDE (__Eall = .);

  PROVIDE (__Endmem = 0x10000000);

  PROVIDE (__Stacksize = 0);

'

NO_SMALL_DATA=yes