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updated linker script

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Michael Ossmann 2012-05-22 14:15:20 -06:00
parent 5e1bcaa582
commit ce14f4c077
1 changed files with 26 additions and 7 deletions
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33
lib/lpc43xx/libopencm3_lpc17xx.ld
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@ -1,8 +1,8 @@
/* /*
* This file is part of the libopencm3 project. * This file is part of the libopencm3 project.
* *
* Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de> * Copyright (C) 2009 Uwe Hermann <uwe@hermann-uwe.de>
* Copyright (C) 2012 Michael Ossmann <mike@ossmann.com>
* *
* This library is free software: you can redistribute it and/or modify * This library is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by * it under the terms of the GNU Lesser General Public License as published by
@ -18,7 +18,7 @@
* along with this library. If not, see <http://www.gnu.org/licenses/>. * along with this library. If not, see <http://www.gnu.org/licenses/>.
*/ */
/* Generic linker script for LPC13XX targets using libopencm3. */ /* Generic linker script for LPC43XX targets using libopencm3. */
/* Memory regions must be defined in the ld script which includes this one. */ /* Memory regions must be defined in the ld script which includes this one. */
@ -34,25 +34,43 @@ SECTIONS
. = ORIGIN(rom); . = ORIGIN(rom);
.text : { .text : {
. = ALIGN(0x400);
*(.vectors) /* Vector table */ *(.vectors) /* Vector table */
*(.text*) /* Program code */ *(.text*) /* Program code */
. = ALIGN(4);
*(.rodata*) /* Read-only data */ *(.rodata*) /* Read-only data */
_etext = .; . = ALIGN(4);
} >rom } >rom
/* exception index - required due to libgcc.a issuing /0 exceptions */
__exidx_start = .;
.ARM.exidx : {
*(.ARM.exidx*)
} > rom
__exidx_end = .;
_etext = .;
. = ORIGIN(ram); . = ORIGIN(ram);
.data : { .data : {
_data = .; _data = .;
*(.data*) /* Read-write initialized data */ *(.data*) /* Read-write initialized data */
. = ALIGN(4);
_edata = .; _edata = .;
} >ram AT >rom } >ram AT >rom
.bss : { .bss : {
*(.bss*) /* Read-write zero initialized data */ *(.bss*) /* Read-write zero initialized data */
*(COMMON) *(COMMON)
. = ALIGN(4);
_ebss = .; _ebss = .;
} >ram AT >rom } >ram
/* exception unwind data - required due to libgcc.a issuing /0 exceptions */
.ARM.extab : {
*(.ARM.extab*)
} >ram
/* /*
* The .eh_frame section appears to be used for C++ exception handling. * The .eh_frame section appears to be used for C++ exception handling.
@ -67,7 +85,8 @@ SECTIONS
/DISCARD/ : { *(.ARM.exidx) } /DISCARD/ : { *(.ARM.exidx) }
end = .; end = .;
/* Leave room above stack for IAP to run. */
__StackTop = ORIGIN(ram) + LENGTH(ram) - 32;
PROVIDE(_stack = __StackTop);
} }
PROVIDE(_stack = ORIGIN(ram) + LENGTH(ram));