* msp430/Makefile.in (CRT_OBJS): Add crt_high_bss.o.
* msp430/crt0.S (high_bss): Add. * msp430/msp430-sim.ld: Add error message if .upper sections are detected. * msp430/msp430xl-sim.ld (MEMORY): Adjust to better mimic real life MCUs. Add support for upper and lower sections.
This commit is contained in:
@@ -1,4 +1,4 @@
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/* Copyright (c) 2005,2008,2009,2011,2013 Red Hat, Inc. All rights reserved.
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/* Copyright (c) 2013-2014 Red Hat, Inc. All rights reserved.
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This copyrighted material is made available to anyone wishing to use, modify,
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copy, or redistribute it subject to the terms and conditions of the BSD
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@@ -8,22 +8,18 @@
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is available at http://www.opensource.org/licenses. Any Red Hat trademarks that
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are incorporated in the source code or documentation are not subject to the BSD
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License and may only be used or replicated with the express permission of
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Red Hat, Inc.
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*/
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Red Hat, Inc. */
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/* Default linker script, for normal MSP430 executables. */
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/* Default linker script, for normal executables */
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OUTPUT_ARCH(msp430)
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ENTRY(_start)
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/* Do we need any of these for elf?
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__DYNAMIC = 0; */
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INCLUDE intr_vectors.ld
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MEMORY
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{
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RAM (w) : ORIGIN = 0x00200, LENGTH = 0x0ee00
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RESETVEC (w) : ORIGIN = 0x0fffe, LENGTH = 0x00002
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RAM (w) : ORIGIN = 0x00200, LENGTH = 0x0ee00
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}
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SECTIONS
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@@ -31,11 +27,13 @@ SECTIONS
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.resetvec :
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{
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*(.resetvec)
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} > RESETVEC
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} > VECT31
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.rodata : {
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.rodata :
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{
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. = ALIGN(2);
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*(.plt)
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*(.lower.rodata.* .lower.rodata)
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*(.rodata .rodata.* .gnu.linkonce.r.* .const .const:*)
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*(.rodata1)
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*(.eh_frame_hdr)
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@@ -76,12 +74,14 @@ SECTIONS
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KEEP (*(.dtors))
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} > RAM
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.text :
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.text :
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{
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. = ALIGN(2);
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PROVIDE (_start = .);
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KEEP (*(SORT(.crt_*)))
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*(.lowtext .text .stub .text.* .gnu.linkonce.t.* .text:*)
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*(.lowtext)
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*(.lower.text.* .lower.text)
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*(.text .stub .text.* .gnu.linkonce.t.* .text:*)
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KEEP (*(.text.*personality*))
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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@@ -95,10 +95,12 @@ SECTIONS
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KEEP (*(.tm_clone_table))
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} > RAM
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.data : {
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.data :
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{
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. = ALIGN(2);
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PROVIDE (__datastart = .);
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*(.lower.data.* .lower.data)
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KEEP (*(.jcr))
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*(.data.rel.ro.local) *(.data.rel.ro*)
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*(.dynamic)
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@@ -126,9 +128,11 @@ SECTIONS
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PROVIDE(__romdatastart = LOADADDR(.data));
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PROVIDE (__romdatacopysize = SIZEOF(.data));
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.bss : {
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.bss :
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{
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. = ALIGN(2);
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PROVIDE (__bssstart = .);
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*(.lower.bss.* .lower.bss)
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*(.dynbss)
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*(.sbss .sbss.*)
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*(.bss .bss.* .gnu.linkonce.b.*)
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@@ -137,7 +141,8 @@ SECTIONS
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PROVIDE (__bsssize = SIZEOF(.bss));
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/* This section contains data that is not initialised at startup. */
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.noinit : {
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.noinit (NOLOAD) :
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{
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. = ALIGN(2);
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PROVIDE (__noinit_start = .);
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*(.noinit)
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@@ -145,7 +150,7 @@ SECTIONS
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*(COMMON)
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PROVIDE (__noinit_end = .);
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} > RAM
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_end = .;
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PROVIDE (end = .);
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@@ -155,6 +160,16 @@ SECTIONS
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*(.stack)
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}
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/* Make sure that .upper sections are not used without -mlarge support. */
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.upper :
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{
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*(.upper.rodata.* .upper.rodata)
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*(.upper.data.* .upper.data)
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*(.upper.bss.* .upper.bss)
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*(.upper.text.* .upper.text)
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ASSERT (SIZEOF(.upper) == 0, ".upper sections present in a binary linked without -mlarge support");
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}
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/* The rest are all not normally part of the runtime image. */
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.MP430.attributes 0 :
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@@ -175,13 +190,13 @@ SECTIONS
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/* DWARF debug sections.
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Symbols in the DWARF debugging sections are relative to the beginning
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of the section so we begin them at 0. */
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/* DWARF 1 */
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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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/* 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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/* 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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@@ -192,12 +207,12 @@ SECTIONS
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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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/* SGI/MIPS DWARF 2 extensions */
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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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/* DWARF 3 */
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/* DWARF 3. */
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.debug_pubtypes 0 : { *(.debug_pubtypes) }
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.debug_ranges 0 : { *(.debug_ranges) }
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/* DWARF Extension. */
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