2635a8d6df
* microblaze/Makefile.in: Add LINUX_BSP. * microblaze/elf-gloss-linux.ld: New file. * microblaze/elf-gloss-linux.specs: Likewise. * microblaze/linux-crt0.S: Likewise. * microblaze/linux-inbyte.c: Likewise. * microblaze/linux-outbyte.c: Likewise. * microblaze/linux-syscalls-wrap.c: Likewise. * microblaze/linux-syscalls.S: Likewise. * microblaze/linux-syscalls.h: Likewise.
160 lines
3.7 KiB
Plaintext
160 lines
3.7 KiB
Plaintext
/* Default linker script, for normal executables */
|
|
/*OUTPUT_FORMAT("elf32-microblaze", "", "") */
|
|
/*SEARCH_DIR("/proj/fv1/gnu_builds/head/mb/release/lin/mb/microblaze-xilinx-elf/lib");*/
|
|
/*SEARCH_DIR("/proj/fv1/gnu_builds/head/mb/release/lin/mb/microblaze-xilinx-elf/lib");*/
|
|
OUTPUT_ARCH(microblaze)
|
|
ENTRY(_start)
|
|
_TEXT_START_ADDR = DEFINED(_TEXT_START_ADDR) ? _TEXT_START_ADDR : 0x50;
|
|
|
|
PHDRS
|
|
{
|
|
text PT_LOAD FILEHDR PHDRS;
|
|
data PT_LOAD;
|
|
bss PT_LOAD;
|
|
}
|
|
|
|
SECTIONS
|
|
{
|
|
. = SIZEOF_HEADERS;
|
|
_ftext = .;
|
|
.text : {
|
|
*(.text)
|
|
*(.text.*)
|
|
*(.gnu.linkonce.t.*)
|
|
} : text
|
|
_etext = .;
|
|
.init : { KEEP (*(.init)) } =0
|
|
.fini : { KEEP (*(.fini)) } =0
|
|
PROVIDE (__CTOR_LIST__ = .);
|
|
PROVIDE (___CTOR_LIST__ = .);
|
|
.ctors :
|
|
{
|
|
/* 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))
|
|
} : text
|
|
PROVIDE (__CTOR_END__ = .);
|
|
PROVIDE (___CTOR_END__ = .);
|
|
PROVIDE (__DTOR_LIST__ = .);
|
|
PROVIDE (___DTOR_LIST__ = .);
|
|
.dtors :
|
|
{
|
|
KEEP (*crtbegin.o(.dtors))
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
|
|
KEEP (*(SORT(.dtors.*)))
|
|
KEEP (*(.dtors))
|
|
} : text
|
|
PROVIDE (__DTOR_END__ = .);
|
|
PROVIDE (___DTOR_END__ = .);
|
|
. = ALIGN(4);
|
|
_frodata = . ;
|
|
.rodata : {
|
|
*(.rodata)
|
|
*(.rodata.*)
|
|
*(.gnu.linkonce.r.*)
|
|
CONSTRUCTORS; /* Is this needed? */
|
|
} : text
|
|
_erodata = .;
|
|
/* New page. */
|
|
. += 0x1000;
|
|
/* Alignments by 8 to ensure that _SDA2_BASE_ on a word boundary */
|
|
/* Note that .sdata2 and .sbss2 must be contiguous */
|
|
. = ALIGN(8);
|
|
_ssrw = .;
|
|
.sdata2 : {
|
|
*(.sdata2)
|
|
*(.sdata2.*)
|
|
*(.gnu.linkonce.s2.*)
|
|
} : data
|
|
. = ALIGN(4);
|
|
.sbss2 : {
|
|
PROVIDE (__sbss2_start = .);
|
|
*(.sbss2)
|
|
*(.sbss2.*)
|
|
*(.gnu.linkonce.sb2.*)
|
|
PROVIDE (__sbss2_end = .);
|
|
} : data
|
|
. = ALIGN(8);
|
|
_essrw = .;
|
|
_ssrw_size = _essrw - _ssrw;
|
|
PROVIDE (_SDA2_BASE_ = _ssrw + (_ssrw_size / 2 ));
|
|
. = ALIGN(4);
|
|
_fdata = .;
|
|
.data : {
|
|
*(.data)
|
|
*(.gnu.linkonce.d.*)
|
|
CONSTRUCTORS; /* Is this needed? */
|
|
PROVIDE (__bss_start = .);
|
|
} : data
|
|
_edata = . ;
|
|
/* Added to handle pic code */
|
|
.got : {
|
|
*(.got)
|
|
}
|
|
.got1 : {
|
|
*(.got1)
|
|
}
|
|
.got2 : {
|
|
*(.got2)
|
|
}
|
|
/* Added by Sathya to handle C++ exceptions */
|
|
.eh_frame : {
|
|
*(.eh_frame)
|
|
}
|
|
.jcr : {
|
|
*(.jcr)
|
|
. = ALIGN(4096);
|
|
}
|
|
.gcc_except_table : {
|
|
*(.gcc_except_table)
|
|
}
|
|
. = ALIGN(4096);
|
|
/* Alignments by 8 to ensure that _SDA_BASE_ on a word boundary */
|
|
/* Note that .sdata and .sbss must be contiguous */
|
|
. = ALIGN(8);
|
|
_ssro = .;
|
|
.sdata : {
|
|
*(.sdata)
|
|
*(.sdata.*)
|
|
*(.gnu.linkonce.s.*)
|
|
}
|
|
. = ALIGN(4);
|
|
.sbss : {
|
|
PROVIDE (__sbss_start = .);
|
|
*(.sbss)
|
|
*(.sbss.*)
|
|
*(.gnu.linkonce.sb.*)
|
|
PROVIDE (__sbss_end = .);
|
|
}
|
|
. = ALIGN(8);
|
|
_essro = .;
|
|
_ssro_size = _essro - _ssro;
|
|
PROVIDE (_SDA_BASE_ = _ssro + (_ssro_size / 2 ));
|
|
. = ALIGN(4);
|
|
_fbss = .;
|
|
.bss : {
|
|
PROVIDE (__bss_start = .);
|
|
*(.bss)
|
|
*(.bss.*)
|
|
*(.gnu.linkonce.b.*)
|
|
*(COMMON)
|
|
. = ALIGN(4);
|
|
PROVIDE (__bss_end = .);
|
|
. = ALIGN(4096);
|
|
} : bss
|
|
}
|