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Diffstat (limited to 'libgloss/msp430/msp430.ld')
-rw-r--r-- | libgloss/msp430/msp430.ld | 188 |
1 files changed, 188 insertions, 0 deletions
diff --git a/libgloss/msp430/msp430.ld b/libgloss/msp430/msp430.ld new file mode 100644 index 000000000..26ed1cf96 --- /dev/null +++ b/libgloss/msp430/msp430.ld @@ -0,0 +1,188 @@ +/* Copyright (c) 2005,2008,2009,2011,2013 Red Hat, Inc. All rights reserved. + + This copyrighted material is made available to anyone wishing to use, modify, + copy, or redistribute it subject to the terms and conditions of the BSD + License. This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY expressed or implied, including the implied warranties + of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. A copy of this license + is available at http://www.opensource.org/licenses. Any Red Hat trademarks that + are incorporated in the source code or documentation are not subject to the BSD + License and may only be used or replicated with the express permission of + Red Hat, Inc. +*/ + +/* Default linker script, for normal executables */ +OUTPUT_ARCH(msp430) +ENTRY(_start) + +/* Do we need any of these for elf? + __DYNAMIC = 0; */ + +MEMORY { + RAM (w) : ORIGIN = 0x00200, LENGTH = 0x0ee00 + RESETVEC (w) : ORIGIN = 0x0fffe, LENGTH = 0x00002 +} + +SECTIONS +{ + .resetvec : + { + *(.resetvec) + } > RESETVEC + + .rodata : { + . = ALIGN(2); + *(.plt) + *(.rodata .rodata.* .gnu.linkonce.r.* .const .const:*) + *(.rodata1) + *(.eh_frame_hdr) + KEEP (*(.eh_frame)) + KEEP (*(.gcc_except_table)) *(.gcc_except_table.*) + PROVIDE (__preinit_array_start = .); + KEEP (*(.preinit_array)) + PROVIDE (__preinit_array_end = .); + PROVIDE (__init_array_start = .); + KEEP (*(SORT(.init_array.*))) + KEEP (*(.init_array)) + PROVIDE (__init_array_end = .); + PROVIDE (__fini_array_start = .); + KEEP (*(.fini_array)) + KEEP (*(SORT(.fini_array.*))) + PROVIDE (__fini_array_end = .); + LONG(0); /* Sentinel. */ + + /* 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)) + + KEEP (*crtbegin*.o(.dtors)) + KEEP (*(EXCLUDE_FILE (*crtend*.o ) .dtors)) + KEEP (*(SORT(.dtors.*))) + KEEP (*(.dtors)) + } > RAM + + .text : + { + . = ALIGN(2); + PROVIDE (_start = .); + *(.lowtext .text .stub .text.* .gnu.linkonce.t.* .text:*) + KEEP (*(.text.*personality*)) + /* .gnu.warning sections are handled specially by elf32.em. */ + *(.gnu.warning) + *(.interp .hash .dynsym .dynstr .gnu.version*) + PROVIDE (__etext = .); + PROVIDE (_etext = .); + PROVIDE (etext = .); + . = ALIGN(2); + KEEP (*(.init)) + KEEP (*(.fini)) + } > RAM + + .data : { + . = ALIGN(2); + PROVIDE (__datastart = .); + + KEEP (*(.jcr)) + *(.data.rel.ro.local) *(.data.rel.ro*) + *(.dynamic) + + *(.data .data.* .gnu.linkonce.d.*) + KEEP (*(.gnu.linkonce.d.*personality*)) + SORT(CONSTRUCTORS) + *(.data1) + *(.got.plt) *(.got) + + /* 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. */ + . = ALIGN(2); + *(.sdata .sdata.* .gnu.linkonce.s.* D_2 D_1) + + . = ALIGN(2); + _edata = .; + PROVIDE (edata = .); + PROVIDE (__dataend = .); + } > RAM + + /* Note that crt0 assumes this is a multiple of two; all the + start/stop symbols are also assumed word-aligned. */ + PROVIDE(__romdatastart = LOADADDR(.data)); + PROVIDE (__romdatacopysize = SIZEOF(.data)); + + .bss : { + . = ALIGN(2); + PROVIDE (__bssstart = .); + *(.dynbss) + *(.sbss .sbss.*) + *(.bss .bss.* .gnu.linkonce.b.*) + . = ALIGN(2); + *(COMMON) + . = ALIGN(2); + PROVIDE (__bssend = .); + _end = .; + PROVIDE (end = .); + } > RAM + PROVIDE (__bsssize = SIZEOF(.bss)); + + .stack (ORIGIN (RAM) + LENGTH(RAM)) : + { + PROVIDE (__stack = .); + *(.stack) + } + + .MP430.attributes 0 : + { + KEEP (*(.MSP430.attributes)) + KEEP (*(.gnu.attributes)) + KEEP (*(__TI_build_attributes)) + } + + /* The rest are all not normally part of the runtime image. */ + + /* 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 .gnu.linkonce.wi.*) } + .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) } + /DISCARD/ : { *(.note.GNU-stack) } +} |