[deliverable/binutils-gdb.git] / ld / scripttempl / elfm68hc11.sc

#
# Unusual variables checked by this code:
#	NOP - four byte opcode for no-op (defaults to 0)
#	DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
#	OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ...
#		(e.g., .PARISC.global)
#	OTHER_SECTIONS - at the end
#	EXECUTABLE_SYMBOLS - symbols that must be defined for an
#		executable (e.g., _DYNAMIC_LINK)
#	TEXT_START_SYMBOLS - symbols that appear at the start of the
#		.text section.
#	DATA_START_SYMBOLS - symbols that appear at the start of the
#		.data section.
#	OTHER_BSS_SYMBOLS - symbols that appear at the start of the
#		.bss section besides __bss_start.
#	EMBEDDED - whether this is for an embedded system. 
#
# When adding sections, do note that the names of some sections are used
# when specifying the start address of the next.
#
test -z "$ENTRY" && ENTRY=_start
test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi
test "$LD_FLAG" = "N" && DATA_ADDR=.

CTOR=".ctors ${CONSTRUCTING-0} : 
  {
    ${CONSTRUCTING+ PROVIDE (__CTOR_LIST__ = .); }
    ${CONSTRUCTING+${CTOR_START}}
    *(.ctors)
    /* We don't want to include the .ctor section from
       from the crtend.o file until after the sorted ctors.
       The .ctor section from the crtend file contains the
       end of ctors marker and it must be last

    KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
    KEEP (*(SORT(.ctors.*)))
    KEEP (*(.ctors)) */

    ${CONSTRUCTING+${CTOR_END}}
    ${CONSTRUCTING+ PROVIDE(__CTOR_END__ = .); }
  } ${RELOCATING+ > ${TEXT_MEMORY}}"

DTOR="  .dtors	${CONSTRUCTING-0} :
  {
    ${CONSTRUCTING+ PROVIDE(__DTOR_LIST__ = .); }
    *(.dtors)
    /*
    KEEP (*crtbegin.o(.dtors))
    KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
    KEEP (*(SORT(.dtors.*)))
    KEEP (*(.dtors)) */
    ${CONSTRUCTING+ PROVIDE(__DTOR_END__ = .); }
  } ${RELOCATING+ > ${TEXT_MEMORY}}"


VECTORS="
  /* If the 'vectors_addr' symbol is defined, it indicates the start address
     of interrupt vectors.  This depends on the 68HC11 operating mode:

			Addr
     Single chip	0xffc0
     Extended mode	0xffc0
     Bootstrap		0x00c0
     Test		0xbfc0

     In general, the vectors address is 0xffc0.  This can be overriden 
     with the '-defsym vectors_addr=0xbfc0' ld option.

     Note: for the bootstrap mode, the interrupt vectors are at 0xbfc0 but
     they are redirected to 0x00c0 by the internal PROM.  Application's vectors
     must also consist of jump instructions (see Motorola's manual).  */

  PROVIDE (_vectors_addr = DEFINED (vectors_addr) ? vectors_addr : 0xffc0);
  .vectors DEFINED (vectors_addr) ? vectors_addr : 0xffc0 :
  {
    *(.vectors)
  }"

#
# We provide two emulations: a fixed on that defines some memory banks
# and a configurable one that includes a user provided memory definition.
#
case $GENERIC_BOARD in
  yes|1|YES)
	MEMORY_DEF="
/* Get memory banks definition from some user configuration file.
   This file must be located in some linker directory (search path
   with -L<dir>). See fixed memory banks emulation script.  */
INCLUDE memory.x;
"
	;;
  *)
MEMORY_DEF="
/* Fixed definition of the available memory banks.
   See generic emulation script for a user defined configuration.  */
MEMORY
{
  page0 (rwx) : ORIGIN = 0x0, LENGTH = 256
  text  (rx)  : ORIGIN = ${ROM_START_ADDR}, LENGTH = ${ROM_SIZE}
  data        : ORIGIN = ${RAM_START_ADDR}, LENGTH = ${RAM_SIZE}
  eeprom      : ORIGIN = ${EEPROM_START_ADDR}, LENGTH = ${EEPROM_SIZE}
}

/* Setup the stack on the top of the data memory bank.  */
PROVIDE (_stack = ${RAM_START_ADDR} + ${RAM_SIZE} - 1);
"
	;;
esac

STARTUP_CODE="
    /* Startup code.  */
    *(.install0)	/* Section should setup the stack pointer.  */
    *(.install1)	/* Place holder for applications.  */
    *(.install2)	/* Optional installation of data sections in RAM.  */
    *(.install3)	/* Place holder for applications.  */
    *(.install4)	/* Section that calls the main.  */
"

FINISH_CODE="
    /* Finish code.  */
    *(.fini0)		/* Beginning of finish code (_exit symbol).  */
    *(.fini1)		/* Place holder for applications.  */
    *(.fini2)		/* C++ destructors.  */
    *(.fini3)		/* Place holder for applications.  */
    *(.fini4)		/* Runtime exit.  */
"

PRE_COMPUTE_DATA_SIZE="
/* SCz: this does not work yet... This is supposed to force the loading
   of _map_data.o (from libgcc.a) when the .data section is not empty.
   By doing so, this should bring the code that copies the .data section
   from ROM to RAM at init time.

  ___pre_comp_data_size = SIZEOF(.data);
  __install_data_sections = ___pre_comp_data_size > 0 ?
		__map_data_sections : 0;
*/
"

INSTALL_RELOC="
  .install0 0 : { *(.install0) }
  .install1 0 : { *(.install1) }
  .install2 0 : { *(.install2) }
  .install3 0 : { *(.install3) }
  .install4 0 : { *(.install4) }
"

FINISH_RELOC="
  .fini0 0 : { *(.fini0) }
  .fini1 0 : { *(.fini1) }
  .fini2 0 : { *(.fini2) }
  .fini3 0 : { *(.fini3) }
  .fini4 0 : { *(.fini4) }
"

BSS_DATA_RELOC="
  .data1 0 : { *(.data1) }

  /* We want the small data sections together, so single-instruction offsets
     can access them all, and initialized data all before uninitialized, so
     we can shorten the on-disk segment size.  */
  .sdata   0 : { *(.sdata) }
  .sbss    0 : { *(.sbss) }
  .scommon 0 : { *(.scommon) }
"

SOFT_REGS_RELOC="
  .softregs 0 : { *(.softregs) }
"

cat <<EOF
${RELOCATING+/* Linker script for 68HC11 executable (PROM).  */}
${RELOCATING-/* Linker script for 68HC11 object file (ld -r).  */}

OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
	      "${LITTLE_OUTPUT_FORMAT}")
OUTPUT_ARCH(${OUTPUT_ARCH})
ENTRY(${ENTRY})

${RELOCATING+${LIB_SEARCH_DIRS}}
${RELOCATING+${EXECUTABLE_SYMBOLS}}
${RELOCATING+${MEMORY_DEF}}

SECTIONS
{
  .hash        ${RELOCATING-0} : { *(.hash)		}
  .dynsym      ${RELOCATING-0} : { *(.dynsym)		}
  .dynstr      ${RELOCATING-0} : { *(.dynstr)		}
  .gnu.version		${RELOCATING-0} : { *(.gnu.version) }
  .gnu.version_d	${RELOCATING-0} : { *(.gnu.version_d) }
  .gnu.version_r	${RELOCATING-0} : { *(.gnu.version_r) }

  .rel.text    ${RELOCATING-0} :
    {
      *(.rel.text)
      ${RELOCATING+*(.rel.text.*)}
      ${RELOCATING+*(.rel.gnu.linkonce.t.*)}
    }
  .rela.text   ${RELOCATING-0} :
    {
      *(.rela.text)
      ${RELOCATING+*(.rela.text.*)}
      ${RELOCATING+*(.rela.gnu.linkonce.t.*)}
    }
  .rel.data    ${RELOCATING-0} :
    {
      *(.rel.data)
      ${RELOCATING+*(.rel.data.*)}
      ${RELOCATING+*(.rel.gnu.linkonce.d.*)}
    }
  .rela.data   ${RELOCATING-0} :
    {
      *(.rela.data)
      ${RELOCATING+*(.rela.data.*)}
      ${RELOCATING+*(.rela.gnu.linkonce.d.*)}
    }
  .rel.rodata  ${RELOCATING-0} :
    {
      *(.rel.rodata)
      ${RELOCATING+*(.rel.rodata.*)}
      ${RELOCATING+*(.rel.gnu.linkonce.r.*)}
    }
  .rela.rodata ${RELOCATING-0} :
    {
      *(.rela.rodata)
      ${RELOCATING+*(.rela.rodata.*)}
      ${RELOCATING+*(.rela.gnu.linkonce.r.*)}
    }
  .rel.sdata   ${RELOCATING-0} :
    {
      *(.rel.sdata)
      ${RELOCATING+*(.rel.sdata.*)}
      ${RELOCATING+*(.rel.gnu.linkonce.s.*)}
    }
  .rela.sdata   ${RELOCATING-0} :
    {
      *(.rela.sdata)
      ${RELOCATING+*(.rela.sdata.*)}
      ${RELOCATING+*(.rela.gnu.linkonce.s.*)}
    }
  .rel.sbss    ${RELOCATING-0} :
    { 
      *(.rel.sbss)
      ${RELOCATING+*(.rel.sbss.*)}
      ${RELOCATING+*(.rel.gnu.linkonce.sb.*)}
    }
  .rela.sbss   ${RELOCATING-0} :
    {
      *(.rela.sbss)
      ${RELOCATING+*(.rela.sbss.*)}
      ${RELOCATING+*(.rel.gnu.linkonce.sb.*)}
    }
  .rel.bss     ${RELOCATING-0} : 
    { 
      *(.rel.bss)
      ${RELOCATING+*(.rel.bss.*)}
      ${RELOCATING+*(.rel.gnu.linkonce.b.*)}
    }
  .rela.bss    ${RELOCATING-0} : 
    { 
      *(.rela.bss)
      ${RELOCATING+*(.rela.bss.*)}
      ${RELOCATING+*(.rela.gnu.linkonce.b.*)}
    }
  .rel.stext		${RELOCATING-0} : { *(.rel.stest) }
  .rela.stext		${RELOCATING-0} : { *(.rela.stest) }
  .rel.etext		${RELOCATING-0} : { *(.rel.etest) }
  .rela.etext		${RELOCATING-0} : { *(.rela.etest) }
  .rel.sdata		${RELOCATING-0} : { *(.rel.sdata) }
  .rela.sdata		${RELOCATING-0} : { *(.rela.sdata) }
  .rel.edata		${RELOCATING-0} : { *(.rel.edata) }
  .rela.edata		${RELOCATING-0} : { *(.rela.edata) }
  .rel.eit_v		${RELOCATING-0} : { *(.rel.eit_v) }
  .rela.eit_v		${RELOCATING-0} : { *(.rela.eit_v) }
  .rel.ebss		${RELOCATING-0} : { *(.rel.ebss) }
  .rela.ebss		${RELOCATING-0} : { *(.rela.ebss) }
  .rel.srodata		${RELOCATING-0} : { *(.rel.srodata) }
  .rela.srodata		${RELOCATING-0} : { *(.rela.srodata) }
  .rel.erodata		${RELOCATING-0} : { *(.rel.erodata) }
  .rela.erodata		${RELOCATING-0} : { *(.rela.erodata) }
  .rel.got		${RELOCATING-0} : { *(.rel.got) }
  .rela.got		${RELOCATING-0} : { *(.rela.got) }
  .rel.ctors		${RELOCATING-0} : { *(.rel.ctors) }
  .rela.ctors		${RELOCATING-0} : { *(.rela.ctors) }
  .rel.dtors		${RELOCATING-0} : { *(.rel.dtors) }
  .rela.dtors		${RELOCATING-0} : { *(.rela.dtors) }
  .rel.init		${RELOCATING-0} : { *(.rel.init) }
  .rela.init		${RELOCATING-0} : { *(.rela.init) }
  .rel.fini		${RELOCATING-0} : { *(.rel.fini) }
  .rela.fini		${RELOCATING-0} : { *(.rela.fini) }
  .rel.plt		${RELOCATING-0} : { *(.rel.plt) }
  .rela.plt		${RELOCATING-0} : { *(.rela.plt) }

  /* Concatenate .page0 sections.  Put them in the page0 memory bank
     unless we are creating a relocatable file.  */
  .page0 :
  {
    *(.page0)
    ${RELOCATING+*(.softregs)}
  } ${RELOCATING+ > page0}

  /* Start of text section.  */
  .stext ${RELOCATING-0} : 
  {
    *(.stext)
  } ${RELOCATING+ > ${TEXT_MEMORY}}

  .init	${RELOCATING-0} :
  {
    *(.init) 
  } ${RELOCATING+=${NOP-0}}

  ${RELOCATING-${INSTALL_RELOC}}
  ${RELOCATING-${FINISH_RELOC}}

  .text ${RELOCATING-0}:
  {
    /* Put startup code at beginning so that _start keeps same address.  */
    ${RELOCATING+${STARTUP_CODE}}

    ${RELOCATING+*(.init)}
    *(.text)
    ${RELOCATING+*(.text.*)}
    /* .gnu.warning sections are handled specially by elf32.em.  */
    *(.gnu.warning)
    ${RELOCATING+*(.gnu.linkonce.t.*)}

    ${RELOCATING+${FINISH_CODE}}

    ${RELOCATING+_etext = .;}
    ${RELOCATING+PROVIDE (etext = .);}

  } ${RELOCATING+ > ${TEXT_MEMORY}}

  .eh_frame ${RELOCATING-0} :
  {
    KEEP (*(.eh_frame))
  } ${RELOCATING+ > ${TEXT_MEMORY}}

  .rodata  ${RELOCATING-0} :
  {
    *(.rodata)
    ${RELOCATING+*(.rodata.*)}
    ${RELOCATING+*(.gnu.linkonce.r*)}
  } ${RELOCATING+ > ${TEXT_MEMORY}}

  .rodata1 ${RELOCATING-0} :
  {
    *(.rodata1)
  } ${RELOCATING+ > ${TEXT_MEMORY}}

  /* Constructor and destructor tables are in ROM.  */
  ${RELOCATING+${CTOR}}
  ${RELOCATING+${DTOR}}

  .jcr ${RELOCATING-0} :
  {
    KEEP (*(.jcr))
  } ${RELOCATING+ > ${TEXT_MEMORY}}

  /* Start of the data section image in ROM.  */
  ${RELOCATING+__data_image = .;}
  ${RELOCATING+PROVIDE (__data_image = .);}

  /* All read-only sections that normally go in PROM must be above.
     We construct the DATA image section in PROM at end of all these
     read-only sections.  The data image must be copied at init time.
     Refer to GNU ld, Section 3.6.8.2 Output Section LMA.  */
  .data  ${RELOCATING-0} : ${RELOCATING+AT (__data_image)}
  {
    ${RELOCATING+__data_section_start = .;}
    ${RELOCATING+PROVIDE (__data_section_start = .);}

    ${RELOCATING+${DATA_START_SYMBOLS}}
    ${RELOCATING+*(.sdata)}
    *(.data)
    ${RELOCATING+*(.data.*)}
    ${RELOCATING+*(.data1)}
    ${RELOCATING+*(.gnu.linkonce.d.*)}
    ${CONSTRUCTING+CONSTRUCTORS}

    ${RELOCATING+_edata  =  .;}
    ${RELOCATING+PROVIDE (edata = .);}
  } ${RELOCATING+ > ${DATA_MEMORY}}

  ${RELOCATING+__data_section_size = SIZEOF(.data);}
  ${RELOCATING+PROVIDE (__data_section_size = SIZEOF(.data));}
  ${RELOCATING+__data_image_end = __data_image + __data_section_size;}

  ${RELOCATING+${PRE_COMPUTE_DATA_SIZE}}

  /* .install ${RELOCATING-0}:
  {
    . = _data_image_end;
  } ${RELOCATING+ > ${TEXT_MEMORY}} */

  /* Relocation for some bss and data sections.  */
  ${RELOCATING-${BSS_DATA_RELOC}}
  ${RELOCATING-${SOFT_REGS_RELOC}}

  .bss ${RELOCATING-0} :
  {
    ${RELOCATING+__bss_start = .;}
    ${RELOCATING+*(.sbss)}
    ${RELOCATING+*(.scommon)}

    *(.dynbss)
    *(.bss)
    ${RELOCATING+*(.bss.*)}
    ${RELOCATING+*(.gnu.linkonce.b.*)}
    *(COMMON)
    ${RELOCATING+PROVIDE (_end = .);}
  } ${RELOCATING+ > ${DATA_MEMORY}}
  ${RELOCATING+__bss_size = SIZEOF(.bss);}
  ${RELOCATING+PROVIDE (__bss_size = SIZEOF(.bss));}

  .eeprom ${RELOCATING-0} :
  {
    *(.eeprom)
    *(.eeprom.*)
  } ${RELOCATING+ > ${EEPROM_MEMORY}}

  ${RELOCATING+${VECTORS}}

  /* Stabs debugging sections.  */
  .stab		 0 : { *(.stab) }
  .stabstr	 0 : { *(.stabstr) }
  .stab.excl	 0 : { *(.stab.excl) }
  .stab.exclstr	 0 : { *(.stab.exclstr) }
  .stab.index	 0 : { *(.stab.index) }
  .stab.indexstr 0 : { *(.stab.indexstr) }

  .comment	 0 : { *(.comment) }

  /* DWARF debug sections.
     Symbols in the DWARF debugging sections are relative to the beginning
     of the section so we begin them at 0.
     Treatment of DWARF debug section must be at end of the linker
     script to avoid problems when there are undefined symbols. It's necessary
     to avoid that the DWARF section is relocated before such undefined
     symbols are found.  */

  /* 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
Commit	Line	Data
60bcf0fa NC	1	#
60bcf0fa NC	2	# Unusual variables checked by this code:
563e308f	3	# NOP - four byte opcode for no-op (defaults to 0)
60bcf0fa NC	4	# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
	5	# OTHER_READWRITE_SECTIONS - other than .data .bss .ctors .sdata ...
	6	# (e.g., .PARISC.global)
	7	# OTHER_SECTIONS - at the end
	8	# EXECUTABLE_SYMBOLS - symbols that must be defined for an
	9	# executable (e.g., _DYNAMIC_LINK)
	10	# TEXT_START_SYMBOLS - symbols that appear at the start of the
	11	# .text section.
	12	# DATA_START_SYMBOLS - symbols that appear at the start of the
	13	# .data section.
	14	# OTHER_BSS_SYMBOLS - symbols that appear at the start of the
	15	# .bss section besides __bss_start.
	16	# EMBEDDED - whether this is for an embedded system.
	17	#
	18	# When adding sections, do note that the names of some sections are used
	19	# when specifying the start address of the next.
	20	#
	21	test -z "$ENTRY" && ENTRY=_start
	22	test -z "${BIG_OUTPUT_FORMAT}" && BIG_OUTPUT_FORMAT=${OUTPUT_FORMAT}
	23	test -z "${LITTLE_OUTPUT_FORMAT}" && LITTLE_OUTPUT_FORMAT=${OUTPUT_FORMAT}
	24	if [ -z "$MACHINE" ]; then OUTPUT_ARCH=${ARCH}; else OUTPUT_ARCH=${ARCH}:${MACHINE}; fi
	25	test "$LD_FLAG" = "N" && DATA_ADDR=.
	26
	27	CTOR=".ctors ${CONSTRUCTING-0} :
	28	{
de0b1853	29	${CONSTRUCTING+ PROVIDE (__CTOR_LIST__ = .); }
60bcf0fa NC	30	${CONSTRUCTING+${CTOR_START}}
	31	*(.ctors)
	32	/* We don't want to include the .ctor section from
	33	from the crtend.o file until after the sorted ctors.
	34	The .ctor section from the crtend file contains the
	35	end of ctors marker and it must be last
	36
	37	KEEP ((EXCLUDE_FILE (crtend.o) .ctors))
	38	KEEP ((SORT(.ctors.)))
	39	KEEP ((.ctors)) /
	40
	41	${CONSTRUCTING+${CTOR_END}}
de0b1853	42	${CONSTRUCTING+ PROVIDE(__CTOR_END__ = .); }
ecfdd20c	43	} ${RELOCATING+ > ${TEXT_MEMORY}}"
60bcf0fa NC	44
	45	DTOR=" .dtors ${CONSTRUCTING-0} :
	46	{
de0b1853	47	${CONSTRUCTING+ PROVIDE(__DTOR_LIST__ = .); }
60bcf0fa NC	48	*(.dtors)
	49	/*
	50	KEEP (*crtbegin.o(.dtors))
	51	KEEP ((EXCLUDE_FILE (crtend.o) .dtors))
	52	KEEP ((SORT(.dtors.)))
	53	KEEP ((.dtors)) /
de0b1853	54	${CONSTRUCTING+ PROVIDE(__DTOR_END__ = .); }
ecfdd20c	55	} ${RELOCATING+ > ${TEXT_MEMORY}}"
60bcf0fa NC	56
	57
	58	VECTORS="
	59	/* If the 'vectors_addr' symbol is defined, it indicates the start address
	60	of interrupt vectors. This depends on the 68HC11 operating mode:
	61
	62	Addr
	63	Single chip 0xffc0
	64	Extended mode 0xffc0
	65	Bootstrap 0x00c0
	66	Test 0xbfc0
	67
	68	In general, the vectors address is 0xffc0. This can be overriden
	69	with the '-defsym vectors_addr=0xbfc0' ld option.
	70
	71	Note: for the bootstrap mode, the interrupt vectors are at 0xbfc0 but
	72	they are redirected to 0x00c0 by the internal PROM. Application's vectors
	73	must also consist of jump instructions (see Motorola's manual). */
	74
	75	PROVIDE (_vectors_addr = DEFINED (vectors_addr) ? vectors_addr : 0xffc0);
	76	.vectors DEFINED (vectors_addr) ? vectors_addr : 0xffc0 :
	77	{
	78	*(.vectors)
	79	}"
	80
	81	#
	82	# We provide two emulations: a fixed on that defines some memory banks
	83	# and a configurable one that includes a user provided memory definition.
	84	#
	85	case $GENERIC_BOARD in
	86	yes\|1\|YES)
	87	MEMORY_DEF="
	88	/* Get memory banks definition from some user configuration file.
	89	This file must be located in some linker directory (search path
	90	with -L<dir>). See fixed memory banks emulation script. */
	91	INCLUDE memory.x;
	92	"
	93	;;
	94	*)
	95	MEMORY_DEF="
	96	/* Fixed definition of the available memory banks.
	97	See generic emulation script for a user defined configuration. */
	98	MEMORY
	99	{
	100	page0 (rwx) : ORIGIN = 0x0, LENGTH = 256
	101	text (rx) : ORIGIN = ${ROM_START_ADDR}, LENGTH = ${ROM_SIZE}
	102	data : ORIGIN = ${RAM_START_ADDR}, LENGTH = ${RAM_SIZE}
a66c0f2c	103	eeprom : ORIGIN = ${EEPROM_START_ADDR}, LENGTH = ${EEPROM_SIZE}
60bcf0fa NC	104	}
	105
	106	/* Setup the stack on the top of the data memory bank. */
	107	PROVIDE (_stack = ${RAM_START_ADDR} + ${RAM_SIZE} - 1);
	108	"
	109	;;
	110	esac
	111
	112	STARTUP_CODE="
	113	/* Startup code. */
	114	(.install0) / Section should setup the stack pointer. */
	115	(.install1) / Place holder for applications. */
	116	(.install2) / Optional installation of data sections in RAM. */
	117	(.install3) / Place holder for applications. */
	118	(.install4) / Section that calls the main. */
	119	"
	120
de0b1853 SC	121	FINISH_CODE="
	122	/* Finish code. */
	123	(.fini0) / Beginning of finish code (_exit symbol). */
	124	(.fini1) / Place holder for applications. */
	125	(.fini2) / C++ destructors. */
	126	(.fini3) / Place holder for applications. */
	127	(.fini4) / Runtime exit. */
	128	"
	129
60bcf0fa NC	130	PRE_COMPUTE_DATA_SIZE="
	131	/* SCz: this does not work yet... This is supposed to force the loading
	132	of _map_data.o (from libgcc.a) when the .data section is not empty.
	133	By doing so, this should bring the code that copies the .data section
	134	from ROM to RAM at init time.
	135
	136	___pre_comp_data_size = SIZEOF(.data);
	137	__install_data_sections = ___pre_comp_data_size > 0 ?
	138	__map_data_sections : 0;
	139	*/
	140	"
	141
	142	INSTALL_RELOC="
	143	.install0 0 : { *(.install0) }
	144	.install1 0 : { *(.install1) }
	145	.install2 0 : { *(.install2) }
	146	.install3 0 : { *(.install3) }
	147	.install4 0 : { *(.install4) }
	148	"
	149
de0b1853 SC	150	FINISH_RELOC="
	151	.fini0 0 : { *(.fini0) }
	152	.fini1 0 : { *(.fini1) }
	153	.fini2 0 : { *(.fini2) }
	154	.fini3 0 : { *(.fini3) }
	155	.fini4 0 : { *(.fini4) }
	156	"
	157
60bcf0fa NC	158	BSS_DATA_RELOC="
	159	.data1 0 : { *(.data1) }
	160
	161	/* We want the small data sections together, so single-instruction offsets
	162	can access them all, and initialized data all before uninitialized, so
	163	we can shorten the on-disk segment size. */
	164	.sdata 0 : { *(.sdata) }
	165	.sbss 0 : { *(.sbss) }
	166	.scommon 0 : { *(.scommon) }
	167	"
	168
a66c0f2c SC	169	SOFT_REGS_RELOC="
	170	.softregs 0 : { *(.softregs) }
	171	"
	172
60bcf0fa NC	173	cat <<EOF
	174	${RELOCATING+/* Linker script for 68HC11 executable (PROM). */}
	175	${RELOCATING-/* Linker script for 68HC11 object file (ld -r). */}
	176
	177	OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
	178	"${LITTLE_OUTPUT_FORMAT}")
	179	OUTPUT_ARCH(${OUTPUT_ARCH})
	180	ENTRY(${ENTRY})
	181
	182	${RELOCATING+${LIB_SEARCH_DIRS}}
	183	${RELOCATING+${EXECUTABLE_SYMBOLS}}
	184	${RELOCATING+${MEMORY_DEF}}
	185
	186	SECTIONS
	187	{
	188	.hash ${RELOCATING-0} : { *(.hash) }
	189	.dynsym ${RELOCATING-0} : { *(.dynsym) }
	190	.dynstr ${RELOCATING-0} : { *(.dynstr) }
	191	.gnu.version ${RELOCATING-0} : { *(.gnu.version) }
	192	.gnu.version_d ${RELOCATING-0} : { *(.gnu.version_d) }
	193	.gnu.version_r ${RELOCATING-0} : { *(.gnu.version_r) }
	194
de0b1853 SC	195	.rel.text ${RELOCATING-0} :
	196	{
	197	*(.rel.text)
	198	${RELOCATING+(.rel.text.)}
	199	${RELOCATING+(.rel.gnu.linkonce.t.)}
	200	}
	201	.rela.text ${RELOCATING-0} :
	202	{
	203	*(.rela.text)
	204	${RELOCATING+(.rela.text.)}
	205	${RELOCATING+(.rela.gnu.linkonce.t.)}
	206	}
	207	.rel.data ${RELOCATING-0} :
	208	{
	209	*(.rel.data)
	210	${RELOCATING+(.rel.data.)}
	211	${RELOCATING+(.rel.gnu.linkonce.d.)}
	212	}
	213	.rela.data ${RELOCATING-0} :
	214	{
	215	*(.rela.data)
	216	${RELOCATING+(.rela.data.)}
	217	${RELOCATING+(.rela.gnu.linkonce.d.)}
	218	}
	219	.rel.rodata ${RELOCATING-0} :
	220	{
	221	*(.rel.rodata)
	222	${RELOCATING+(.rel.rodata.)}
	223	${RELOCATING+(.rel.gnu.linkonce.r.)}
	224	}
	225	.rela.rodata ${RELOCATING-0} :
	226	{
	227	*(.rela.rodata)
	228	${RELOCATING+(.rela.rodata.)}
	229	${RELOCATING+(.rela.gnu.linkonce.r.)}
	230	}
	231	.rel.sdata ${RELOCATING-0} :
	232	{
	233	*(.rel.sdata)
	234	${RELOCATING+(.rel.sdata.)}
	235	${RELOCATING+(.rel.gnu.linkonce.s.)}
	236	}
	237	.rela.sdata ${RELOCATING-0} :
	238	{
	239	*(.rela.sdata)
	240	${RELOCATING+(.rela.sdata.)}
	241	${RELOCATING+(.rela.gnu.linkonce.s.)}
	242	}
	243	.rel.sbss ${RELOCATING-0} :
	244	{
	245	*(.rel.sbss)
	246	${RELOCATING+(.rel.sbss.)}
	247	${RELOCATING+(.rel.gnu.linkonce.sb.)}
	248	}
	249	.rela.sbss ${RELOCATING-0} :
	250	{
	251	*(.rela.sbss)
	252	${RELOCATING+(.rela.sbss.)}
	253	${RELOCATING+(.rel.gnu.linkonce.sb.)}
	254	}
	255	.rel.bss ${RELOCATING-0} :
	256	{
	257	*(.rel.bss)
	258	${RELOCATING+(.rel.bss.)}
259	${RELOCATING+(.rel.gnu.linkonce.b.)}
260	}
261	.rela.bss ${RELOCATING-0} :
262	{
263	*(.rela.bss)
264	${RELOCATING+(.rela.bss.)}
265	${RELOCATING+(.rela.gnu.linkonce.b.)}
266	}
1bf0a4d9	267	.rel.stext ${RELOCATING-0} : { *(.rel.stest) }
60bcf0fa	268	.rela.stext ${RELOCATING-0} : { *(.rela.stest) }
1bf0a4d9	269	.rel.etext ${RELOCATING-0} : { *(.rel.etest) }
60bcf0fa	270	.rela.etext ${RELOCATING-0} : { *(.rela.etest) }
1bf0a4d9	271	.rel.sdata ${RELOCATING-0} : { *(.rel.sdata) }
60bcf0fa	272	.rela.sdata ${RELOCATING-0} : { *(.rela.sdata) }
1bf0a4d9	273	.rel.edata ${RELOCATING-0} : { *(.rel.edata) }
60bcf0fa	274	.rela.edata ${RELOCATING-0} : { *(.rela.edata) }
1bf0a4d9	275	.rel.eit_v ${RELOCATING-0} : { *(.rel.eit_v) }
60bcf0fa	276	.rela.eit_v ${RELOCATING-0} : { *(.rela.eit_v) }
60bcf0fa	277	.rel.ebss ${RELOCATING-0} : { *(.rel.ebss) }
1bf0a4d9	278	.rela.ebss ${RELOCATING-0} : { *(.rela.ebss) }
60bcf0fa	279	.rel.srodata ${RELOCATING-0} : { *(.rel.srodata) }
1bf0a4d9	280	.rela.srodata ${RELOCATING-0} : { *(.rela.srodata) }
60bcf0fa	281	.rel.erodata ${RELOCATING-0} : { *(.rel.erodata) }
1bf0a4d9	282	.rela.erodata ${RELOCATING-0} : { *(.rela.erodata) }
60bcf0fa	283	.rel.got ${RELOCATING-0} : { *(.rel.got) }
1bf0a4d9	284	.rela.got ${RELOCATING-0} : { *(.rela.got) }
60bcf0fa	285	.rel.ctors ${RELOCATING-0} : { *(.rel.ctors) }
1bf0a4d9	286	.rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
60bcf0fa	287	.rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
1bf0a4d9	288	.rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
60bcf0fa	289	.rel.init ${RELOCATING-0} : { *(.rel.init) }
1bf0a4d9	290	.rela.init ${RELOCATING-0} : { *(.rela.init) }
60bcf0fa	291	.rel.fini ${RELOCATING-0} : { *(.rel.fini) }
1bf0a4d9	292	.rela.fini ${RELOCATING-0} : { *(.rela.fini) }
60bcf0fa	293	.rel.plt ${RELOCATING-0} : { *(.rel.plt) }
1bf0a4d9	294	.rela.plt ${RELOCATING-0} : { *(.rela.plt) }
60bcf0fa NC	295
	296	/* Concatenate .page0 sections. Put them in the page0 memory bank
	297	unless we are creating a relocatable file. */
	298	.page0 :
	299	{
	300	*(.page0)
a66c0f2c	301	${RELOCATING+*(.softregs)}
60bcf0fa NC	302	} ${RELOCATING+ > page0}
	303
	304	/* Start of text section. */
	305	.stext ${RELOCATING-0} :
	306	{
	307	*(.stext)
	308	} ${RELOCATING+ > ${TEXT_MEMORY}}
	309
	310	.init ${RELOCATING-0} :
	311	{
	312	*(.init)
	313	} ${RELOCATING+=${NOP-0}}
	314
	315	${RELOCATING-${INSTALL_RELOC}}
de0b1853	316	${RELOCATING-${FINISH_RELOC}}
60bcf0fa NC	317
	318	.text ${RELOCATING-0}:
	319	{
	320	/* Put startup code at beginning so that _start keeps same address. */
	321	${RELOCATING+${STARTUP_CODE}}
	322
	323	${RELOCATING+*(.init)}
	324	*(.text)
de0b1853	325	${RELOCATING+(.text.)}
60bcf0fa NC	326	/* .gnu.warning sections are handled specially by elf32.em. */
60bcf0fa NC	327	*(.gnu.warning)
de0b1853 SC	328	${RELOCATING+(.gnu.linkonce.t.)}
	329
	330	${RELOCATING+${FINISH_CODE}}
60bcf0fa NC	331
	332	${RELOCATING+_etext = .;}
	333	${RELOCATING+PROVIDE (etext = .);}
	334
	335	} ${RELOCATING+ > ${TEXT_MEMORY}}
	336
	337	.eh_frame ${RELOCATING-0} :
	338	{
24098abb	339	KEEP (*(.eh_frame))
60bcf0fa NC	340	} ${RELOCATING+ > ${TEXT_MEMORY}}
	341
	342	.rodata ${RELOCATING-0} :
	343	{
	344	*(.rodata)
de0b1853 SC	345	${RELOCATING+(.rodata.)}
de0b1853 SC	346	${RELOCATING+(.gnu.linkonce.r)}
60bcf0fa NC	347	} ${RELOCATING+ > ${TEXT_MEMORY}}
	348
	349	.rodata1 ${RELOCATING-0} :
	350	{
	351	*(.rodata1)
	352	} ${RELOCATING+ > ${TEXT_MEMORY}}
	353
de0b1853 SC	354	/* Constructor and destructor tables are in ROM. */
	355	${RELOCATING+${CTOR}}
	356	${RELOCATING+${DTOR}}
	357
24098abb RH	358	.jcr ${RELOCATING-0} :
	359	{
	360	KEEP (*(.jcr))
	361	} ${RELOCATING+ > ${TEXT_MEMORY}}
	362
60bcf0fa NC	363	/* Start of the data section image in ROM. */
	364	${RELOCATING+__data_image = .;}
	365	${RELOCATING+PROVIDE (__data_image = .);}
	366
	367	/* All read-only sections that normally go in PROM must be above.
	368	We construct the DATA image section in PROM at end of all these
	369	read-only sections. The data image must be copied at init time.
	370	Refer to GNU ld, Section 3.6.8.2 Output Section LMA. */
	371	.data ${RELOCATING-0} : ${RELOCATING+AT (__data_image)}
	372	{
	373	${RELOCATING+__data_section_start = .;}
	374	${RELOCATING+PROVIDE (__data_section_start = .);}
	375
	376	${RELOCATING+${DATA_START_SYMBOLS}}
	377	${RELOCATING+*(.sdata)}
	378	*(.data)
de0b1853	379	${RELOCATING+(.data.)}
60bcf0fa	380	${RELOCATING+*(.data1)}
de0b1853	381	${RELOCATING+(.gnu.linkonce.d.)}
60bcf0fa NC	382	${CONSTRUCTING+CONSTRUCTORS}
	383
	384	${RELOCATING+_edata = .;}
	385	${RELOCATING+PROVIDE (edata = .);}
	386	} ${RELOCATING+ > ${DATA_MEMORY}}
	387
	388	${RELOCATING+__data_section_size = SIZEOF(.data);}
	389	${RELOCATING+PROVIDE (__data_section_size = SIZEOF(.data));}
	390	${RELOCATING+__data_image_end = __data_image + __data_section_size;}
	391
	392	${RELOCATING+${PRE_COMPUTE_DATA_SIZE}}
	393
	394	/* .install ${RELOCATING-0}:
	395	{
	396	. = _data_image_end;
	397	} ${RELOCATING+ > ${TEXT_MEMORY}} */
	398
	399	/* Relocation for some bss and data sections. */
	400	${RELOCATING-${BSS_DATA_RELOC}}
a66c0f2c	401	${RELOCATING-${SOFT_REGS_RELOC}}
60bcf0fa NC	402
	403	.bss ${RELOCATING-0} :
	404	{
	405	${RELOCATING+__bss_start = .;}
	406	${RELOCATING+*(.sbss)}
	407	${RELOCATING+*(.scommon)}
	408
	409	*(.dynbss)
	410	*(.bss)
de0b1853 SC	411	${RELOCATING+(.bss.)}
de0b1853 SC	412	${RELOCATING+(.gnu.linkonce.b.)}
60bcf0fa NC	413	*(COMMON)
	414	${RELOCATING+PROVIDE (_end = .);}
	415	} ${RELOCATING+ > ${DATA_MEMORY}}
236d5abf NC	416	${RELOCATING+__bss_size = SIZEOF(.bss);}
236d5abf NC	417	${RELOCATING+PROVIDE (__bss_size = SIZEOF(.bss));}
60bcf0fa	418
a66c0f2c SC	419	.eeprom ${RELOCATING-0} :
	420	{
	421	*(.eeprom)
	422	(.eeprom.)
	423	} ${RELOCATING+ > ${EEPROM_MEMORY}}
	424
60bcf0fa NC	425	${RELOCATING+${VECTORS}}
	426
	427	/* Stabs debugging sections. */
	428	.stab 0 : { *(.stab) }
	429	.stabstr 0 : { *(.stabstr) }
	430	.stab.excl 0 : { *(.stab.excl) }
	431	.stab.exclstr 0 : { *(.stab.exclstr) }
	432	.stab.index 0 : { *(.stab.index) }
	433	.stab.indexstr 0 : { *(.stab.indexstr) }
	434
	435	.comment 0 : { *(.comment) }
	436
	437	/* DWARF debug sections.
	438	Symbols in the DWARF debugging sections are relative to the beginning
	439	of the section so we begin them at 0.
	440	Treatment of DWARF debug section must be at end of the linker
	441	script to avoid problems when there are undefined symbols. It's necessary
	442	to avoid that the DWARF section is relocated before such undefined
	443	symbols are found. */
	444
	445	/* DWARF 1 */
	446	.debug 0 : { *(.debug) }
	447	.line 0 : { *(.line) }
	448
	449	/* GNU DWARF 1 extensions */
	450	.debug_srcinfo 0 : { *(.debug_srcinfo) }
	451	.debug_sfnames 0 : { *(.debug_sfnames) }
	452
	453	/* DWARF 1.1 and DWARF 2 */
	454	.debug_aranges 0 : { *(.debug_aranges) }
	455	.debug_pubnames 0 : { *(.debug_pubnames) }
	456
	457	/* DWARF 2 */
3a9d486c	458	.debug_info 0 : { (.debug_info) (.gnu.linkonce.wi.*) }
60bcf0fa NC	459	.debug_abbrev 0 : { *(.debug_abbrev) }
	460	.debug_line 0 : { *(.debug_line) }
	461	.debug_frame 0 : { *(.debug_frame) }
	462	.debug_str 0 : { *(.debug_str) }
	463	.debug_loc 0 : { *(.debug_loc) }
	464	.debug_macinfo 0 : { *(.debug_macinfo) }
	465	}
	466	EOF