mirror of https://github.com/parasyte/alt64
114 lines
2.8 KiB
Plaintext
Executable File
114 lines
2.8 KiB
Plaintext
Executable File
/* ========================================================================
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*
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* n64ld.x
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*
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* GNU Linker script for building an image that is set up for the N64
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* but still has the data factored into sections. It is not directly
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* runnable, and it contains the debug info if available. It will need
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* a 'loader' to perform the final stage of transformation to produce
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* a raw image.
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*
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* Copyright (c) 1999 Ground Zero Development, All rights reserved.
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* Developed by Frank Somers <frank@g0dev.com>
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* Modifications by hcs (halleyscometsoftware@hotmail.com)
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*
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* $Header: /cvsroot/n64dev/n64dev/lib/alt-libn64/n64ld.x,v 1.2 2006/08/11 15:54:11 halleyscometsw Exp $
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*
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* ========================================================================
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*/
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OUTPUT_FORMAT ("elf32-bigmips", "elf32-bigmips", "elf32-littlemips")
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OUTPUT_ARCH (mips)
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EXTERN (_start)
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ENTRY (_start)
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MEMORY
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{
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mem : ORIGIN = 0x80000400, LENGTH = 4M-0x0400
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}
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SECTIONS {
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/* Start address of code is 1K up in uncached, unmapped RAM. We have
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* to be at least this far up in order to not interfere with the cart
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* boot code which is copying it down from the cart
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*/
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. = 0x80000400 ;
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/* The text section carries the app code and its relocation addr is
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* the first byte of the cart domain in cached, unmapped memory
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*/
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.text : {
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FILL (0)
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*(.boot)
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. = ALIGN(16);
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__text_start = . ;
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*(.text)
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*(.text.*)
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*(.ctors)
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*(.dtors)
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*(.rodata)
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*(.rodata.*)
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*(.init)
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*(.fini)
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__text_end = . ;
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} > mem
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/* Data section has relocation address at start of RAM in cached,
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* unmapped memory, but is loaded just at the end of the text segment,
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* and must be copied to the correct location at startup
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*/
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.data : {
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/* Gather all initialised data together. The memory layout
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* will place the global initialised data at the lowest addrs.
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* The lit8, lit4, sdata and sbss sections have to be placed
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* together in that order from low to high addrs with the _gp symbol
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* positioned (aligned) at the start of the sdata section.
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* We then finish off with the standard bss section
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*/
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FILL (0xaa)
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. = ALIGN(16);
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__data_start = . ;
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*(.data)
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*(.data.*)
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*(.lit8)
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*(.lit4) ;
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/* _gp = ALIGN(16) + 0x7ff0 ;*/
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/* _gp = . + 0x7ff0; */
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. = ALIGN(16);
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_gp = . + 0x8000;
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*(.sdata)
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*(.sdata.*)
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__data_end = . ;
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/*
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__bss_start = . ;
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*(.scommon)
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*(.sbss)
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*(COMMON)
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*(.bss)
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/* XXX Force 8-byte end alignment and update startup code * /
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__bss_end = . ;
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*/
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} > mem
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.bss (NOLOAD) : {
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__bss_start = . ;
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*(.scommon)
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*(.sbss)
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*(.sbss.*)
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*(COMMON)
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*(.bss)
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*(.bss.*)
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__bss_end = . ;
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end = . ;
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} > mem
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}
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