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R5F562N8.ld
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/* -*- tab-width : 4 -*- */
/*! @file
@brief RX62N R5F562N8 リンカー・スクリプト
@author 平松邦仁 (hira@rvf-rc45.net)
@copyright Copyright (C) 2022 Kunihito Hiramatsu @n
Released under the MIT license @n
https://github.com/hirakuni45/RX/blob/master/LICENSE
*/
/* Default linker script, for normal executables */
OUTPUT_ARCH(rx)
ENTRY(_start)
/* Do we need any of these for elf?
__DYNAMIC = 0; */
/* This memory layout corresponds to the smallest predicted RX62N8 chip. */
MEMORY {
RAM (w) : ORIGIN = 0x00000000, LENGTH = 0x00017A00 /* 96K - stack_size (0x600) */
USTACK (w) : ORIGIN = 0x00017E00, LENGTH = 4 /* ustack 1024 bytes */
ISTACK (w) : ORIGIN = 0x00018000, LENGTH = 4 /* istack 512 bytes */
ROM (w) : ORIGIN = 0xFFF80000, LENGTH = 0x0007FFD0 /* 512K */
}
SECTIONS
{
.text :
{
PROVIDE (_start = .);
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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(4);
KEEP (*(.init))
KEEP (*(.fini))
} > ROM
.rodata : {
. = ALIGN(4);
*(.plt)
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*(.rodata1)
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PROVIDE(__romdatastart = .);
} > ROM
.data : {
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PROVIDE (__datastart = .); /* IF_ROROM */
PROVIDE (__preinit_array_start = .);
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KEEP (*(SORT(.fini_array.*)))
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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
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directory crtbegin.o is in. */
KEEP (*crtbegin*.o(.ctors))
/* We don't want to include the .ctor section from from the
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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))
KEEP (*(.jcr))
*(.data.rel.ro.local) *(.data.rel.ro*)
*(.dynamic)
*(.data D .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
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*(.sdata .sdata.* .gnu.linkonce.s.* D_2 D_1)
. = ALIGN(4);
_edata = .;
PROVIDE (edata = .);
PROVIDE (__dataend = .);
} > RAM AT> ROM
PROVIDE (__mainramend = ORIGIN(RAM) + LENGTH(RAM));
/* Note that __romdatacopysize may be ZERO for the simulator, which
knows how to intialize RAM directly. It should ONLY be used for
copying data from ROM to RAM; if you need to know the size of the
data section, subtract the end symbol from the start symbol. */
/* Note that crt0 assumes this is a multiple of four; all the
start/stop symbols are also assumed long-aligned. */
PROVIDE (__romdatacopysize = SIZEOF(.data));
.bss : {
. = ALIGN(4);
PROVIDE (__bssstart = .);
*(.dynbss)
*(.sbss .sbss.*)
*(.bss B B_2 B_1 .bss.* .gnu.linkonce.b.*)
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*(COMMON)
. = ALIGN(4);
PROVIDE (__bssend = .);
_end = .;
PROVIDE (end = .);
} > RAM
PROVIDE (__bsssize = SIZEOF(.bss) / 4);
.istack (ORIGIN (ISTACK)) :
{
PROVIDE (__istack = .);
*(.istack)
}
.ustack (ORIGIN (USTACK)) :
{
PROVIDE (__ustack = .);
*(.ustack)
}
/* Providing one of these symbols in your code is sufficient to have
it linked in to the fixed vector table. */
PROVIDE (__rx_priviledged_exception_handler = 0x00000000);
PROVIDE (__rx_access_exception_handler = 0x00000000);
PROVIDE (__rx_undefined_exception_handler = 0x00000000);
PROVIDE (__rx_floating_exception_handler = 0x00000000);
PROVIDE (__rx_nonmaskable_exception_handler = 0x00000000);
.vectors (0xFFFFFFD0) :
{
PROVIDE (__vectors = .);
LONG (__rx_priviledged_exception_handler);
LONG (__rx_access_exception_handler);
LONG (0);
LONG (__rx_undefined_exception_handler);
LONG (0);
LONG (__rx_floating_exception_handler);
LONG (0);
LONG (0);
LONG (0);
LONG (0);
LONG (__rx_nonmaskable_exception_handler);
LONG (_start);
}
/* The rest are all not normally part of the runtime image. */
/* Stabs debugging sections. */
.stab 0 : { *(.stab) }
.stabstr 0 : { *(.stabstr) }
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/DISCARD/ : { *(.note.GNU-stack) }
}