176 lines
4.3 KiB
Plaintext
176 lines
4.3 KiB
Plaintext
/* Linker script forJMR 3904 board */
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ENTRY(_start)
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STARTUP(crt0.o)
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OUTPUT_ARCH("mips:3000")
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OUTPUT_FORMAT("elf32-bigmips", "elf32-bigmips", "elf32-littlemips")
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GROUP(-lc -ljmr3904 -lgcc)
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SEARCH_DIR(.)
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__DYNAMIC = 0;
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PROVIDE (_mem_size = 0x100000); /* JMR3904 comes as standard with 512k of RAM */
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/* PROVIDE (__global = 0); */
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/*
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* Initalize some symbols to be zero so we can reference them in the
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* crt0 without core dumping. These functions are all optional, but
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* we do this so we can have our crt0 always use them if they exist.
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* This is so BSPs work better when using the crt0 installed with gcc.
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* We have to initalize them twice, so we multiple object file
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* formats, as some prepend an underscore.
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*/
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PROVIDE (hardware_exit_hook = 0);
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PROVIDE (hardware_hazard_hook = 0);
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PROVIDE (hardware_init_hook = 0);
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PROVIDE (software_init_hook = 0);
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SECTIONS
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{
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. = 0x80008000;
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/* This is NOT the address which fits with the monitor from jmr. */
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/* It fits the Cygmon ROMS */
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.text : {
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_ftext = . ;
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KEEP (*(.init))
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eprol = .;
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*(.text)
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*(.text.*)
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*(.gnu.linkonce.t.*)
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*(.mips16.fn.*)
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*(.mips16.call.*)
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PROVIDE (__runtime_reloc_start = .);
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*(.rel.sdata)
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PROVIDE (__runtime_reloc_stop = .);
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KEEP (*(.fini))
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etext = .;
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_etext = .;
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}
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.eh_frame_hdr : { *(.eh_frame_hdr) }
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.eh_frame : {
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/* The .eh_frame section from the crtend file contains the
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end of eh_frame marker and it must be last. */
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KEEP (*(EXCLUDE_FILE (*crtend.o) .eh_frame))
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KEEP (*(.eh_frame))
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}
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.gcc_except_table : { *(.gcc_except_table) }
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.jcr : { KEEP (*(.jcr)) }
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.ctors :
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{
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/* gcc uses crtbegin.o to find the start of
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the constructors, so we make sure it is
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first. Because this is a wildcard, it
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doesn't matter if the user does not
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actually link against crtbegin.o; the
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linker won't look for a file to match a
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wildcard. The wildcard also means that it
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doesn't matter which directory crtbegin.o
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is in. */
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KEEP (*crtbegin.o(.ctors))
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/* We don't want to include the .ctor section from
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from the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last */
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KEEP (*(EXCLUDE_FILE (*crtend.o) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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}
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.dtors :
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{
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KEEP (*crtbegin.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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}
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. = .;
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.rodata : {
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*(.rdata)
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*(.rodata)
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*(.rodata.*)
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*(.gnu.linkonce.r.*)
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}
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_fdata = ALIGN(16);
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. = _fdata;
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.data : {
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*(.data)
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*(.data.*)
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*(.gnu.linkonce.d.*)
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}
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. = ALIGN(8);
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_gp = . + 0x8000;
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__global = _gp;
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.lit8 : {
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*(.lit8)
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}
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.lit4 : {
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*(.lit4)
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}
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.sdata : {
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*(.sdata)
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*(.sdata.*)
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*(.gnu.linkonce.s.*)
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}
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. = ALIGN(4);
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edata = .;
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_edata = .;
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_fbss = .;
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.sbss : {
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*(.sbss)
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*(.sbss.*)
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*(.gnu.linkonce.sb.*)
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*(.scommon)
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}
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.bss : {
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_bss_start = . ;
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*(.bss)
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*(.bss.*)
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*(.gnu.linkonce.b.*)
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*(COMMON)
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. += 0x2000 ; /* 8k bytes of stack. */
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__stack = ALIGN(64) ;
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. = __stack ;
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}
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. = ALIGN(4);
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end = .;
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_end = .;
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to
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the beginning of the section so we begin them at 0. */
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/* DWARF 1 */
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.debug 0 : { *(.debug) }
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.line 0 : { *(.line) }
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/* GNU DWARF 1 extensions */
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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/* DWARF 1.1 and DWARF 2 */
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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.debug_str 0 : { *(.debug_str) }
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.debug_loc 0 : { *(.debug_loc) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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.debug_ranges 0 : { *(.debug_ranges) }
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/* SGI/MIPS DWARF 2 extensions */
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.debug_weaknames 0 : { *(.debug_weaknames) }
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.debug_funcnames 0 : { *(.debug_funcnames) }
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.debug_typenames 0 : { *(.debug_typenames) }
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.debug_varnames 0 : { *(.debug_varnames) }
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}
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