164 lines
4.0 KiB
Plaintext
164 lines
4.0 KiB
Plaintext
/* Linker script forJMR 3904 board */
|
|
|
|
ENTRY(_start)
|
|
STARTUP(crt0.o)
|
|
OUTPUT_ARCH("mips:3000")
|
|
OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips")
|
|
GROUP(-lc -ljmr3904 -lgcc)
|
|
SEARCH_DIR(.)
|
|
__DYNAMIC = 0;
|
|
|
|
PROVIDE (_mem_size = 0x100000); /* JMR3904 comes as standard with 512k of RAM */
|
|
|
|
/* PROVIDE (__global = 0); */
|
|
|
|
/*
|
|
* Initalize some symbols to be zero so we can reference them in the
|
|
* crt0 without core dumping. These functions are all optional, but
|
|
* we do this so we can have our crt0 always use them if they exist.
|
|
* This is so BSPs work better when using the crt0 installed with gcc.
|
|
* We have to initalize them twice, so we multiple object file
|
|
* formats, as some prepend an underscore.
|
|
*/
|
|
PROVIDE (hardware_exit_hook = 0);
|
|
PROVIDE (hardware_hazard_hook = 0);
|
|
PROVIDE (hardware_init_hook = 0);
|
|
PROVIDE (software_init_hook = 0);
|
|
|
|
SECTIONS
|
|
{
|
|
. = 0x80008000;
|
|
/* This is NOT the address which fits with the monitor from jmr. */
|
|
/* It fits the Cygmon ROMS */
|
|
.text : {
|
|
_ftext = . ;
|
|
KEEP (*(.init))
|
|
eprol = .;
|
|
*(.text)
|
|
*(.text.*)
|
|
*(.gnu.linkonce.t*)
|
|
*(.mips16.fn.*)
|
|
*(.mips16.call.*)
|
|
PROVIDE (__runtime_reloc_start = .);
|
|
*(.rel.sdata)
|
|
PROVIDE (__runtime_reloc_stop = .);
|
|
KEEP (*(.fini))
|
|
etext = .;
|
|
_etext = .;
|
|
}
|
|
|
|
.eh_frame_hdr : { *(.eh_frame_hdr) }
|
|
.eh_frame : { KEEP (*(.eh_frame)) }
|
|
.gcc_except_table : { *(.gcc_except_table) }
|
|
.jcr : { KEEP (*(.jcr)) }
|
|
.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))
|
|
}
|
|
|
|
.dtors :
|
|
{
|
|
KEEP (*crtbegin.o(.dtors))
|
|
KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
|
|
KEEP (*(SORT(.dtors.*)))
|
|
KEEP (*(.dtors))
|
|
}
|
|
|
|
. = .;
|
|
.rodata : {
|
|
*(.rdata)
|
|
*(.rodata)
|
|
*(.rodata.*)
|
|
*(.gnu.linkonce.r*)
|
|
}
|
|
_fdata = ALIGN(16);
|
|
.data : {
|
|
*(.data)
|
|
*(.data.*)
|
|
*(.gnu.linkonce.d*)
|
|
}
|
|
. = ALIGN(8);
|
|
_gp = . + 0x8000;
|
|
__global = _gp;
|
|
.lit8 : {
|
|
*(.lit8)
|
|
}
|
|
.lit4 : {
|
|
*(.lit4)
|
|
}
|
|
.sdata : {
|
|
*(.sdata)
|
|
*(.sdata.*)
|
|
*(.gnu.linkonce.s*)
|
|
}
|
|
. = ALIGN(4);
|
|
edata = .;
|
|
_edata = .;
|
|
_fbss = .;
|
|
.sbss : {
|
|
*(.sbss)
|
|
*(.scommon)
|
|
}
|
|
.bss : {
|
|
_bss_start = . ;
|
|
*(.bss)
|
|
*(COMMON)
|
|
. += 0x2000 ; /* 8k bytes of stack. */
|
|
__stack = ALIGN(64) ;
|
|
. = __stack ;
|
|
}
|
|
|
|
end = .;
|
|
_end = .;
|
|
|
|
/* 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) }
|
|
}
|