old-cross-binutils/ld/emulparams/criself.sh
Hans-Peter Nilsson 589bad82a2 * emulparams/criself.sh (EXECUTABLE_SYMBOLS): Cannot provide
correct value of __Stext here.
	(TEXT_START_SYMBOLS): Define; always define __Stext, to start of
	.startup section.

	* emulparams/crislinux.sh: Remove FIXME.
2001-04-05 20:37:54 +00:00

105 lines
2.5 KiB
Bash

# 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"
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='.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='PROVIDE (__Etext = .);'
DATA_START_SYMBOLS='PROVIDE (__Sdata = .);'
# Smuggle an "OTHER_DATA_END_SYMBOLS" here.
OTHER_GOT_SECTIONS='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 = .);
PROVIDE (__end = .);
__Sbss = SIZEOF (.sbss) != 0 ? ADDR (.sbss) : ADDR (.bss);
PROVIDE (_bss_start = __Sbss);
'
INIT_START='
. = ALIGN(2);
___init__start = .;
PROVIDE (___do_global_ctors = .);
SHORT (0xe1fc); /* push srp */
SHORT (0xbe7e);
'
INIT_END='
SHORT (0x0d3e); /* jump [sp+] */
PROVIDE (__init__end = .);
PROVIDE (___init__end = .);
'
FINI_START='
. = ALIGN (2);
___fini__start = .;
PROVIDE (___do_global_dtors = .);
SHORT (0xe1fc); /* push srp */
SHORT (0xbe7e);
'
FINI_END='
SHORT (0x0d3e); /* jump [sp+] */
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 = .;
'
# Smuggle an "OTHER_ALL_END_SYMBOLS" here.
# Also add the other symbols provided for rsim/xsim and elinux.
OTHER_RELOCATING_SECTIONS='
PROVIDE (__Eall = .);
PROVIDE (__Endmem = 0x10000000);
PROVIDE (__Stacksize = 0);
'