binutils-gdb/ld/scripttempl/elf32msp430.sc
Jozef Lawrynowicz 0c3d948509 MSP430: Add input section rules for .upper sections to default linker script
ld/ChangeLog:

2020-01-16  Jozef Lawrynowicz  <jozef.l@mittosystems.com>

	* scripttempl/elf32msp430.sc: Add input section rules for
	.upper.{text,data,rodata,bss}.
	* testsuite/ld-msp430-elf/msp430-elf.exp: Run new test.
	* testsuite/ld-msp430-elf/upper-input-sections.s: New test.
2020-01-16 13:22:31 +00:00

353 lines
9.8 KiB
Scala

# Copyright (C) 2014-2020 Free Software Foundation, Inc.
#
# Copying and distribution of this file, with or without modification,
# are permitted in any medium without royalty provided the copyright
# notice and this notice are preserved.
HEAP_SECTION_MSP430=" "
HEAP_MEMORY_MSP430=" "
if test ${GOT_HEAP_MSP-0} -ne 0
then
HEAP_SECTION_MSP430=".heap ${RELOCATING-0} :
{
${RELOCATING+ PROVIDE (__heap_data_start = .) ; }
*(.heap*)
${RELOCATING+ PROVIDE (_heap_data_end = .) ; }
${RELOCATING+. = ALIGN(2);}
${RELOCATING+ PROVIDE (__heap_bottom = .) ; }
${RELOCATING+ PROVIDE (__heap_top = ${HEAP_START} + ${HEAP_LENGTH}) ; }
} ${RELOCATING+ > heap}"
HEAP_MEMORY_MSP430="heap(rwx) : ORIGIN = $HEAP_START, LENGTH = $HEAP_LENGTH"
fi
cat <<EOF
/* Copyright (C) 2014-2020 Free Software Foundation, Inc.
Copying and distribution of this script, with or without modification,
are permitted in any medium without royalty provided the copyright
notice and this notice are preserved. */
OUTPUT_FORMAT("${OUTPUT_FORMAT}","${OUTPUT_FORMAT}","${OUTPUT_FORMAT}")
OUTPUT_ARCH(${ARCH})
EOF
test -n "${RELOCATING}" && cat <<EOF
MEMORY
{
text (rx) : ORIGIN = $ROM_START, LENGTH = $ROM_SIZE
data (rwx) : ORIGIN = $RAM_START, LENGTH = $RAM_SIZE
vectors (rw) : ORIGIN = 0xffe0, LENGTH = 0x20
bootloader(rx) : ORIGIN = 0x0c00, LENGTH = 1K
infomem(rx) : ORIGIN = 0x1000, LENGTH = 256
infomemnobits(rx) : ORIGIN = 0x1000, LENGTH = 256
${HEAP_MEMORY_MSP430}
}
EOF
cat <<EOF
SECTIONS
{
/* Bootloader. */
.bootloader ${RELOCATING-0} :
{
${RELOCATING+ PROVIDE (__boot_start = .) ; }
*(.bootloader)
${RELOCATING+. = ALIGN(2);}
${RELOCATING+*(.bootloader.*)}
} ${RELOCATING+ > bootloader}
/* Information memory. */
.infomem ${RELOCATING-0} :
{
*(.infomem)
${RELOCATING+. = ALIGN(2);}
${RELOCATING+*(.infomem.*)}
} ${RELOCATING+ > infomem}
/* Information memory (not loaded into MPU). */
.infomemnobits ${RELOCATING-0} :
{
*(.infomemnobits)
${RELOCATING+. = ALIGN(2);}
${RELOCATING+*(.infomemnobits.*)}
} ${RELOCATING+ > infomemnobits}
/* Read-only sections, merged into text segment. */
${TEXT_DYNAMIC+${DYNAMIC}}
.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.init ${RELOCATING-0} : { *(.rel.init) }
.rela.init ${RELOCATING-0} : { *(.rela.init) }
.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.fini ${RELOCATING-0} : { *(.rel.fini) }
.rela.fini ${RELOCATING-0} : { *(.rela.fini) }
.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.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.ctors ${RELOCATING-0} : { *(.rel.ctors) }
.rela.ctors ${RELOCATING-0} : { *(.rela.ctors) }
.rel.dtors ${RELOCATING-0} : { *(.rel.dtors) }
.rela.dtors ${RELOCATING-0} : { *(.rela.dtors) }
.rel.got ${RELOCATING-0} : { *(.rel.got) }
.rela.got ${RELOCATING-0} : { *(.rela.got) }
.rel.bss ${RELOCATING-0} : { *(.rel.bss) }
.rela.bss ${RELOCATING-0} : { *(.rela.bss) }
.rel.plt ${RELOCATING-0} : { *(.rel.plt) }
.rela.plt ${RELOCATING-0} : { *(.rela.plt) }
/* Internal text space. */
.text ${RELOCATING-0} :
{
${RELOCATING+. = ALIGN(2);
*(SORT_NONE(.init))
*(SORT_NONE(.init0)) /* Start here after reset. */
*(SORT_NONE(.init1))
*(SORT_NONE(.init2)) /* Copy data loop */
*(SORT_NONE(.init3))
*(SORT_NONE(.init4)) /* Clear bss */
*(SORT_NONE(.init5))
*(SORT_NONE(.init6)) /* C++ constructors. */
*(SORT_NONE(.init7))
*(SORT_NONE(.init8))
*(SORT_NONE(.init9)) /* Call main(). */}
${CONSTRUCTING+ __ctors_start = . ; }
${CONSTRUCTING+ *(.ctors) }
${CONSTRUCTING+ __ctors_end = . ; }
${CONSTRUCTING+ __dtors_start = . ; }
${CONSTRUCTING+ *(.dtors) }
${CONSTRUCTING+ __dtors_end = . ; }
${RELOCATING+. = ALIGN(2);
*(.lower.text.* .lower.text)
. = ALIGN(2);}
*(.text)
${RELOCATING+. = ALIGN(2);
*(.text.*)
. = ALIGN(2);
*(.text:*)
*(.either.text.* .either.text)
*(.upper.text.* .upper.text)
. = ALIGN(2);
*(SORT_NONE(.fini9))
*(SORT_NONE(.fini8))
*(SORT_NONE(.fini7))
*(SORT_NONE(.fini6)) /* C++ destructors. */
*(SORT_NONE(.fini5))
*(SORT_NONE(.fini4))
*(SORT_NONE(.fini3))
*(SORT_NONE(.fini2))
*(SORT_NONE(.fini1))
*(SORT_NONE(.fini0)) /* Infinite loop after program termination. */
*(SORT_NONE(.fini))
_etext = .;}
} ${RELOCATING+ > text}
.rodata ${RELOCATING-0} :
{
${RELOCATING+. = ALIGN(2);
*(.lower.rodata.* .lower.rodata)
. = ALIGN(2);
*(.plt)}
*(.rodata${RELOCATING+ .rodata.* .gnu.linkonce.r.* .const .const:*})
${RELOCATING+*(.rodata1)
*(.either.rodata.*) *(.either.rodata)
*(.upper.rodata.* .upper.rodata)
*(.eh_frame_hdr)
KEEP (*(.eh_frame))
KEEP (*(.gcc_except_table)) *(.gcc_except_table.*)
PROVIDE (__preinit_array_start = .);
KEEP (*(.preinit_array))
PROVIDE (__preinit_array_end = .);
PROVIDE (__init_array_start = .);
KEEP (*(SORT(.init_array.*)))
KEEP (*(.init_array))
PROVIDE (__init_array_end = .);
PROVIDE (__fini_array_start = .);
KEEP (*(.fini_array))
KEEP (*(SORT(.fini_array.*)))
PROVIDE (__fini_array_end = .);
/* gcc uses crtbegin.o to find the start of the constructors, so
we make sure it is first. Because this is a wildcard, it
doesn't matter if the user does not actually link against
crtbegin.o; the linker won't look for a file to match a
wildcard. The wildcard also means that it doesn't matter which
directory crtbegin.o is in. */
KEEP (*crtbegin*.o(.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))
KEEP (*crtbegin*.o(.dtors))
KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors))
KEEP (*(SORT(.dtors.*)))
KEEP (*(.dtors))}
} ${RELOCATING+ > text}
.vectors ${RELOCATING-0} :
{
${RELOCATING+ PROVIDE (__vectors_start = .) ; }
*(.vectors${RELOCATING+*})
${RELOCATING+ _vectors_end = . ; }
} ${RELOCATING+ > vectors}
.data ${RELOCATING-0} :
{
${RELOCATING+ PROVIDE (__data_start = .) ; }
${RELOCATING+ PROVIDE (__datastart = .) ; }
${RELOCATING+. = ALIGN(2);
KEEP (*(.jcr))
*(.data.rel.ro.local) *(.data.rel.ro*)
*(.dynamic)
. = ALIGN(2);
*(.lower.data.* .lower.data)}
*(.data)
${RELOCATING+*(.data.*)
*(.gnu.linkonce.d*)
KEEP (*(.gnu.linkonce.d.*personality*))
*(.data1)
*(.either.data.* .either.data)
*(.upper.data.* .upper.data)
*(.got.plt) *(.got)
. = ALIGN(2);
*(.sdata .sdata.* .gnu.linkonce.s.*)
. = ALIGN(2);
_edata = .;}
} ${RELOCATING+ > data AT> text}
${RELOCATING+__romdatastart = LOADADDR(.data);
__romdatacopysize = SIZEOF(.data);}
.bss ${RELOCATING-0}${RELOCATING+SIZEOF(.data) + ADDR(.data)} :
{
${RELOCATING+. = ALIGN(2);}
${RELOCATING+ PROVIDE (__bss_start = .); }
${RELOCATING+ PROVIDE (__bssstart = .);
*(.lower.bss.* .lower.bss)
. = ALIGN(2);}
*(.bss)
${RELOCATING+*(.either.bss.* .either.bss)
*(.upper.bss.* .upper.bss)
*(COMMON)
PROVIDE (__bss_end = .);}
} ${RELOCATING+ > data}
${RELOCATING+ PROVIDE (__bsssize = SIZEOF(.bss)); }
.noinit ${RELOCATING-0}${RELOCATING+SIZEOF(.bss) + ADDR(.bss)} :
{
${RELOCATING+ PROVIDE (__noinit_start = .) ; }
*(.noinit)
${RELOCATING+ PROVIDE (__noinit_end = .) ; }
} ${RELOCATING+ > data}
.persistent ${RELOCATING-0}${RELOCATING+SIZEOF(.noinit) + ADDR(.noinit)} :
{
${RELOCATING+ PROVIDE (__persistent_start = .) ; }
*(.persistent)
${RELOCATING+ PROVIDE (__persistent_end = .) ; }
} ${RELOCATING+ > data}
${RELOCATING+ _end = . ; }
${HEAP_SECTION_MSP430}
/* Stabs for profiling information*/
.profiler 0 : { *(.profiler) }
/* 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) }
EOF
. $srcdir/scripttempl/DWARF.sc
test -n "${RELOCATING}" && cat <<EOF
.MSP430.attributes 0 :
{
KEEP (*(.MSP430.attributes))
KEEP (*(.gnu.attributes))
KEEP (*(__TI_build_attributes))
}
PROVIDE (__stack = ${STACK}) ;
PROVIDE (__data_start_rom = _etext) ;
PROVIDE (__data_end_rom = _etext + SIZEOF (.data)) ;
PROVIDE (__noinit_start_rom = _etext + SIZEOF (.data)) ;
PROVIDE (__noinit_end_rom = _etext + SIZEOF (.data) + SIZEOF (.noinit)) ;
PROVIDE (__subdevice_has_heap = ${GOT_HEAP_MSP-0}) ;
EOF
cat <<EOF
}
EOF