226 lines
7.8 KiB
Scala
226 lines
7.8 KiB
Scala
#
|
|
# Unusual variables checked by this code:
|
|
# NOP - two byte opcode for no-op (defaults to 0)
|
|
# DATA_ADDR - if end-of-text-plus-one-page isn't right for data start
|
|
# OTHER_READONLY_SECTIONS - other than .text .init .rodata ...
|
|
# (e.g., .PARISC.milli)
|
|
# 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.
|
|
# DATA_PLT - .plt should be in data segment, not text segment.
|
|
# 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=.
|
|
INTERP=".interp ${RELOCATING-0} : { *(.interp) }"
|
|
PLT=".plt ${RELOCATING-0} : { *(.plt) }"
|
|
|
|
|
|
CTOR=".ctors ${CONSTRUCTING-0} :
|
|
{
|
|
${CONSTRUCTING+${CTOR_START}}
|
|
/* 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))
|
|
${CONSTRUCTING+${CTOR_END}}
|
|
}"
|
|
|
|
DTOR=" .dtors ${CONSTRUCTING-0} :
|
|
{
|
|
${CONSTRUCTING+${DTOR_START}}
|
|
KEEP (*crtbegin.o(.dtors))
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
|
|
KEEP (*(SORT(.dtors.*)))
|
|
KEEP (*(.dtors))
|
|
${CONSTRUCTING+${DTOR_END}}
|
|
}"
|
|
|
|
|
|
# if this is for an embedded system, don't add SIZEOF_HEADERS.
|
|
if [ -z "$EMBEDDED" ]; then
|
|
test -z "${READONLY_BASE_ADDRESS}" && READONLY_BASE_ADDRESS="${READONLY_START_ADDR} + SIZEOF_HEADERS"
|
|
else
|
|
test -z "${READONLY_BASE_ADDRESS}" && READONLY_BASE_ADDRESS="${READONLY_START_ADDR}"
|
|
fi
|
|
|
|
cat <<EOF
|
|
OUTPUT_FORMAT("${OUTPUT_FORMAT}", "${BIG_OUTPUT_FORMAT}",
|
|
"${LITTLE_OUTPUT_FORMAT}")
|
|
OUTPUT_ARCH(${OUTPUT_ARCH})
|
|
ENTRY(${ENTRY})
|
|
|
|
${RELOCATING+${LIB_SEARCH_DIRS}}
|
|
${RELOCATING+/* Do we need any of these for elf?
|
|
__DYNAMIC = 0; ${STACKZERO+${STACKZERO}} ${SHLIB_PATH+${SHLIB_PATH}} */}
|
|
${RELOCATING+${EXECUTABLE_SYMBOLS}}
|
|
${RELOCATING- /* For some reason, the Solaris linker makes bad executables
|
|
if gld -r is used and the intermediate file has sections starting
|
|
at non-zero addresses. Could be a Solaris ld bug, could be a GNU ld
|
|
bug. But for now assigning the zero vmas works. */}
|
|
SECTIONS
|
|
{
|
|
/* Read-only sections, merged into text segment: */
|
|
${CREATE_SHLIB-${RELOCATING+. = ${READONLY_BASE_ADDRESS};}}
|
|
${CREATE_SHLIB+${RELOCATING+. = SIZEOF_HEADERS;}}
|
|
${CREATE_SHLIB-${INTERP}}
|
|
.hash ${RELOCATING-0} : { *(.hash) }
|
|
.dynsym ${RELOCATING-0} : { *(.dynsym) }
|
|
.dynstr ${RELOCATING-0} : { *(.dynstr) }
|
|
.rel.text ${RELOCATING-0} : { *(.rel.text) }
|
|
.rela.text ${RELOCATING-0} : { *(.rela.text) }
|
|
.rel.data ${RELOCATING-0} : { *(.rel.data) }
|
|
.rela.data ${RELOCATING-0} : { *(.rela.data) }
|
|
.rel.rodata ${RELOCATING-0} : { *(.rel.rodata) }
|
|
.rela.rodata ${RELOCATING-0} : { *(.rela.rodata) }
|
|
.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.bss ${RELOCATING-0} : { *(.rel.bss) }
|
|
.rela.bss ${RELOCATING-0} : { *(.rela.bss) }
|
|
.rel.plt ${RELOCATING-0} : { *(.rel.plt) }
|
|
.rela.plt ${RELOCATING-0} : { *(.rela.plt) }
|
|
${DATA_PLT-${PLT}}
|
|
.rodata ${RELOCATING-0} : { *(.rodata) *(.gnu.linkonce.r*) }
|
|
.rodata1 ${RELOCATING-0} : { *(.rodata1) }
|
|
${RELOCATING+${OTHER_READONLY_SECTIONS}}
|
|
|
|
/* Adjust the address for the data segment. */
|
|
${RELOCATING+. = ${DATA_ADDR-ALIGN(4);}}
|
|
|
|
.data ${RELOCATING-0} :
|
|
{
|
|
${RELOCATING+${DATA_START_SYMBOLS}}
|
|
*(.data)
|
|
*(.data.*)
|
|
*(.gnu.linkonce.d*)
|
|
${CONSTRUCTING+CONSTRUCTORS}
|
|
}
|
|
.data1 ${RELOCATING-0} : { *(.data1) }
|
|
${RELOCATING+${OTHER_READWRITE_SECTIONS}}
|
|
${RELOCATING+${CTOR}}
|
|
${RELOCATING+${DTOR}}
|
|
.got ${RELOCATING-0} : { *(.got.plt) *(.got) }
|
|
.dynamic ${RELOCATING-0} : { *(.dynamic) }
|
|
${DATA_PLT+${PLT}}
|
|
/* 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 ${RELOCATING-0} : { *(.sdata) }
|
|
${RELOCATING+_edata = .;}
|
|
${RELOCATING+PROVIDE (edata = .);}
|
|
${RELOCATING+__bss_start = .;}
|
|
${RELOCATING+${OTHER_BSS_SYMBOLS}}
|
|
.sbss ${RELOCATING-0} : { *(.sbss) *(.scommon) }
|
|
.bss ${RELOCATING-0} :
|
|
{
|
|
*(.dynbss)
|
|
*(.bss)
|
|
*(COMMON)
|
|
}
|
|
${RELOCATING+_end = . ;}
|
|
${RELOCATING+PROVIDE (end = .);}
|
|
|
|
/* 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. */
|
|
|
|
/* 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) }
|
|
.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) }
|
|
|
|
/* SGI/MIPS DWARF 2 extensions */
|
|
.debug_weaknames 0 : { *(.debug_weaknames) }
|
|
.debug_funcnames 0 : { *(.debug_funcnames) }
|
|
.debug_typenames 0 : { *(.debug_typenames) }
|
|
.debug_varnames 0 : { *(.debug_varnames) }
|
|
|
|
${RELOCATING+${OTHER_RELOCATING_SECTIONS}}
|
|
|
|
/* These must appear regardless of ${RELOCATING}. */
|
|
${OTHER_SECTIONS}
|
|
|
|
|
|
/* Hmmm, there's got to be a better way. This sets the stack to the
|
|
top of the simulator memory (i.e. top of 64K data space). */
|
|
.stack 0x00007FFE : { _stack = .; *(.stack) }
|
|
|
|
.text ${RELOCATING+${TEXT_START_ADDR}} :
|
|
{
|
|
${RELOCATING+${TEXT_START_SYMBOLS}}
|
|
KEEP (*(.init))
|
|
KEEP (*(.fini))
|
|
*(.text)
|
|
*(.text.*)
|
|
/* .gnu.warning sections are handled specially by elf32.em. */
|
|
*(.gnu.warning)
|
|
*(.gnu.linkonce.t*)
|
|
} =${NOP-0}
|
|
${RELOCATING+_etext = .;}
|
|
${RELOCATING+PROVIDE (etext = .);}
|
|
}
|
|
EOF
|