[deliverable/binutils-gdb.git] / ld / emulparams / elf32mcore.sh

SCRIPT_NAME=elf
OUTPUT_FORMAT="elf32-mcore-little"
BIG_OUTPUT_FORMAT="elf32-mcore-big"
LITTLE_OUTPUT_FORMAT="elf32-mcore-little"
NO_REL_RELOCS=yes
PAGE_SIZE=0x1000
TARGET_PAGE_SIZE=0x400
MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
TEXT_START_ADDR=0
ARCH=mcore
EMBEDDED=yes

# There is a problem with the NOP value - it must work for both
# big endian and little endian systems.  Unfortunately there is
# no symmetrical mcore opcode that functions as a noop.  The
# chosen solution is to use "tst r0, r14".  This is a symetrical
# value, and apart from the corruption of the C bit, it has no other
# side effects.  Since the carry bit is never tested without being
# explicitly set first, and since the NOP code is only used as a
# fill value between independantly viable peices of code, it should
# not matter.
NOP=0x0e0e0e0e

OTHER_BSS_SYMBOLS="__bss_start__ = . ;"
OTHER_BSS_END_SYMBOLS="__bss_end__ = . ;"

# This sets the stack to the top of the simulator memory (2^19 bytes).
STACK_ADDR=0x80000

TEMPLATE_NAME=elf32
GENERATE_SHLIB_SCRIPT=yes

# This code gets inserted into the generic elf32.sc linker script
# and allows us to define our own command line switches.
PARSE_AND_LIST_PROLOGUE='
#define OPTION_BASE_FILE		300
'

PARSE_AND_LIST_LONGOPTS='
  {"base-file", required_argument, NULL, OPTION_BASE_FILE},
'

PARSE_AND_LIST_OPTIONS='
  fprintf (file, _("  --base_file <basefile>\n"));
  fprintf (file, _("\t\t\tGenerate a base file for relocatable DLLs\n"));
'

PARSE_AND_LIST_ARGS_CASES='
    case OPTION_BASE_FILE:
      link_info.base_file = fopen (optarg, FOPEN_WB);
      if (link_info.base_file == NULL)
	einfo (_("%F%P: cannot open base file %s\n"), optarg);
      break;
'
Commit	Line	Data
	1	SCRIPT_NAME=elf
	2	OUTPUT_FORMAT="elf32-mcore-little"
	3	BIG_OUTPUT_FORMAT="elf32-mcore-big"
	4	LITTLE_OUTPUT_FORMAT="elf32-mcore-little"
	5	NO_REL_RELOCS=yes
	6	PAGE_SIZE=0x1000
	7	TARGET_PAGE_SIZE=0x400
	8	MAXPAGESIZE="CONSTANT (MAXPAGESIZE)"
	9	TEXT_START_ADDR=0
	10	ARCH=mcore
	11	EMBEDDED=yes
	12
	13	# There is a problem with the NOP value - it must work for both
	14	# big endian and little endian systems. Unfortunately there is
	15	# no symmetrical mcore opcode that functions as a noop. The
	16	# chosen solution is to use "tst r0, r14". This is a symetrical
	17	# value, and apart from the corruption of the C bit, it has no other
	18	# side effects. Since the carry bit is never tested without being
	19	# explicitly set first, and since the NOP code is only used as a
	20	# fill value between independantly viable peices of code, it should
	21	# not matter.
	22	NOP=0x0e0e0e0e
	23
	24	OTHER_BSS_SYMBOLS="__bss_start__ = . ;"
	25	OTHER_BSS_END_SYMBOLS="__bss_end__ = . ;"
	26
	27	# This sets the stack to the top of the simulator memory (2^19 bytes).
	28	STACK_ADDR=0x80000
	29
	30	TEMPLATE_NAME=elf32
	31	GENERATE_SHLIB_SCRIPT=yes
	32
	33	# This code gets inserted into the generic elf32.sc linker script
	34	# and allows us to define our own command line switches.
	35	PARSE_AND_LIST_PROLOGUE='
	36	#define OPTION_BASE_FILE 300
	37	'
	38
	39	PARSE_AND_LIST_LONGOPTS='
	40	{"base-file", required_argument, NULL, OPTION_BASE_FILE},
	41	'
	42
	43	PARSE_AND_LIST_OPTIONS='
	44	fprintf (file, _(" --base_file <basefile>\n"));
	45	fprintf (file, _("\t\t\tGenerate a base file for relocatable DLLs\n"));
	46	'
	47
	48	PARSE_AND_LIST_ARGS_CASES='
	49	case OPTION_BASE_FILE:
	50	link_info.base_file = fopen (optarg, FOPEN_WB);
	51	if (link_info.base_file == NULL)
	52	einfo (_("%F%P: cannot open base file %s\n"), optarg);
	53	break;
	54	'