forked from Imagelibrary/rtems
102295eba7
* startup/linkcmds: Add wildcard to gcc_except_table section so programs compiled with gcc 4.3.x can link.
338 lines
8.1 KiB
Plaintext
338 lines
8.1 KiB
Plaintext
/*
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* This file contains directives for the GNU linker which are specific
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* to the MPC8260ADS Board
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*
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* $Id$
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*/
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OUTPUT_FORMAT("elf32-powerpc", "elf32-powerpc",
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"elf32-powerpc")
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OUTPUT_ARCH(powerpc)
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ENTRY(start)
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/*
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* Declare some sizes.
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* XXX: The assignment of ". += XyzSize;" fails in older gld's if the
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* number used there is not constant. If this happens to you, edit
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* the lines marked XXX below to use a constant value.
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*/
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HeapSize = DEFINED(HeapSize) ? HeapSize : 0x400000; /* 4M Heap */
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StackSize = DEFINED(StackSize) ? StackSize : 0x8000;
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WorkSpaceSize = DEFINED(WorkSpaceSize) ? WorkSpaceSize : 0x80000; /* 512k */
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RamDiskSize = DEFINED(RamDiskSize) ? RamDiskSize : 0x0800000; /* 8M ram disk */
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MEMORY
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{
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ram : org = 0x0, l = 16M
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dpram : org = 0x04700000, l = 128K
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flash : org = 0xff800000, l = 8M
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}
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SECTIONS
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{
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/*
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* The stack will live in this area - between the vectors and
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* the text section.
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*/
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.text 0x10000:
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{
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_textbase = .;
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text.start = .;
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/* Entry point is the .entry section */
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*(.entry)
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*(.entry2)
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/* Actual Code */
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*(.text*)
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*(.rodata*)
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*(.rodata1)
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/*
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* Special FreeBSD sysctl sections.
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*/
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. = ALIGN (16);
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__start_set_sysctl_set = .;
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*(set_sysctl_*);
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__stop_set_sysctl_set = ABSOLUTE(.);
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*(set_domain_*);
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*(set_pseudo_*);
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/* C++ constructors/destructors */
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*(.gnu.linkonce.t*)
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/* Initialization and finalization code.
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*
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* Various files can provide initialization and finalization functions.
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* The bodies of these functions are in .init and .fini sections. We
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* accumulate the bodies here, and prepend function prologues from
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* ecrti.o and function epilogues from ecrtn.o. ecrti.o must be linked
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* first; ecrtn.o must be linked last. Because these are wildcards, it
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* doesn't matter if the user does not actually link against ecrti.o and
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* ecrtn.o; the linker won't look for a file to match a wildcard. The
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* wildcard also means that it doesn't matter which directory ecrti.o
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* and ecrtn.o are in.
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*/
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PROVIDE (_init = .);
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*ecrti.o(.init)
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*(.init)
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*ecrtn.o(.init)
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PROVIDE (_fini = .);
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*ecrti.o(.fini)
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*(.fini)
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*ecrtn.o(.init)
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/*
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* C++ constructors and destructors for static objects.
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* PowerPC EABI does not use crtstuff yet, so we build "old-style"
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* constructor and destructor lists that begin with the list lenght
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* end terminate with a NULL entry.
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*/
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PROVIDE (__CTOR_LIST__ = .);
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/* LONG((__CTOR_END__ - __CTOR_LIST__) / 4 - 2) */
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*crtbegin.o(.ctors)
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*(.ctors)
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*crtend.o(.ctors)
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LONG(0)
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PROVIDE (__CTOR_END__ = .);
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PROVIDE (__DTOR_LIST__ = .);
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/* LONG((__DTOR_END__ - __DTOR_LIST__) / 4 - 2) */
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*crtbegin.o(.dtors)
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*(.dtors)
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*crtend.o(.dtors)
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LONG(0)
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PROVIDE (__DTOR_END__ = .);
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/* Exception frame info */
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*(.eh_frame)
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/* Miscellaneous read-only data */
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_rodata_start = . ;
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*(.gnu.linkonce.r*)
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*(.lit)
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*(.shdata)
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*(.rodata)
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*(.rodata1)
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*(.descriptors)
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*(rom_ver)
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_erodata = .;
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/* Various possible names for the end of the .text section */
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etext = ALIGN(0x10);
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_etext = .;
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_endtext = .;
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text.end = .;
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PROVIDE (etext = .);
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PROVIDE (__etext = .);
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} > ram
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.rel.dyn :
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{
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*(.rel.init)
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*(.rel.text .rel.text.* .rel.gnu.linkonce.t.*)
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*(.rel.fini)
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*(.rel.rodata .rel.rodata.* .rel.gnu.linkonce.r.*)
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*(.rel.data.rel.ro* .rel.gnu.linkonce.d.rel.ro.*)
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*(.rel.data .rel.data.* .rel.gnu.linkonce.d.*)
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*(.rel.tdata .rel.tdata.* .rel.gnu.linkonce.td.*)
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*(.rel.tbss .rel.tbss.* .rel.gnu.linkonce.tb.*)
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*(.rel.ctors)
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*(.rel.dtors)
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*(.rel.got)
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*(.rel.sdata .rel.sdata.* .rel.gnu.linkonce.s.*)
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*(.rel.sbss .rel.sbss.* .rel.gnu.linkonce.sb.*)
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*(.rel.sdata2 .rel.sdata2.* .rel.gnu.linkonce.s2.*)
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*(.rel.sbss2 .rel.sbss2.* .rel.gnu.linkonce.sb2.*)
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*(.rel.bss .rel.bss.* .rel.gnu.linkonce.b.*)
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} >ram
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.rela.dyn :
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{
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*(.rela.init)
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*(.rela.text .rela.text.* .rela.gnu.linkonce.t.*)
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*(.rela.fini)
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*(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*)
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*(.rela.data .rela.data.* .rela.gnu.linkonce.d.*)
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*(.rela.tdata .rela.tdata.* .rela.gnu.linkonce.td.*)
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*(.rela.tbss .rela.tbss.* .rela.gnu.linkonce.tb.*)
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*(.rela.ctors)
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*(.rela.dtors)
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*(.rela.got)
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*(.rela.got1)
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*(.rela.got2)
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*(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*)
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*(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*)
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*(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*)
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*(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*)
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*(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*)
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} >ram
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.rel.plt : { *(.rel.plt) }
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.rela.plt : { *(.rela.plt) }
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PROVIDE (__EXCEPT_START__ = .);
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.gcc_except_table : { *(.gcc_except_table*) } >ram
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PROVIDE (__EXCEPT_END__ = .);
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__GOT_START__ = .;
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.got :
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{
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s.got = .;
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*(.got.plt) *(.got)
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} > ram
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__GOT_END__ = .;
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.got1 : { *(.got1) } >ram
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PROVIDE (__GOT2_START__ = .);
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PROVIDE (_GOT2_START_ = .);
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.got2 : { *(.got2) } >ram
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PROVIDE (__GOT2_END__ = .);
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PROVIDE (_GOT2_END_ = .);
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PROVIDE (__FIXUP_START__ = .);
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PROVIDE (_FIXUP_START_ = .);
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.fixup : { *(.fixup) } >ram
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PROVIDE (_FIXUP_END_ = .);
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PROVIDE (__FIXUP_END__ = .);
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PROVIDE (__SDATA2_START__ = .);
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.sdata2 : { *(.sdata2) *(.gnu.linkonce.s2.*) } >ram
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.sbss2 : { *(.sbss2) *(.gnu.linkonce.sb2.*) } >ram
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PROVIDE (__SBSS2_END__ = .);
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.sbss2 : { *(.sbss2) } >ram
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PROVIDE (__SBSS2_END__ = .);
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__SBSS_START__ = .;
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.bss :
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{
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bss.start = .;
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*(.bss .bss* .gnu.linkonce.b*)
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*(.sbss*) *(COMMON)
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. = ALIGN(4);
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bss.end = .;
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} > ram
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__SBSS_END__ = .;
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/* R/W Data */
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.data ( . ) :
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{
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. = ALIGN (4);
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data.start = .;
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*(.data)
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*(.data1)
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*(.data.* .gnu.linkonce.d.*)
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PROVIDE (__SDATA_START__ = .);
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*(.sdata*)
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*(.gnu.linkonce.s.*)
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data.end = .;
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} > ram
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data.size = data.end - data.start;
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bss.size = bss.end - bss.start;
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text.size = text.end - text.start;
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PROVIDE(_end = data.end);
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.gzipmalloc : {
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. = ALIGN (16);
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_startmalloc = .;
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} >ram
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/*
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* Interrupt stack setup
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*/
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IntrStack_start = ALIGN(0x10);
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. += 0x4000;
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intrStack = .;
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PROVIDE(intrStackPtr = intrStack);
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_HeapStart = .;
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__HeapStart = .;
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. += HeapSize;
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_HeapEnd = .;
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__HeapEnd = .;
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clear_end = .;
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_WorkspaceBase = .;
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__WorkspaceBase = .;
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. += WorkSpaceSize;
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_RamDiskBase = .;
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__RamDiskBase = .;
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. += RamDiskSize;
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_RamDiskEnd = .;
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__RamDiskEnd = .;
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PROVIDE( _RamDiskSize = _RamDiskEnd - _RamDiskBase );
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/* Sections for compressed .text and .data */
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/* after the .datarom section is an int specifying */
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/* the length of the following compressed image */
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/* Executes once then could get overwritten */
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.textrom 0x100000 :
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{
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*(.textrom)
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_endloader = .;
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} > ram
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.datarom :
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{
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_dr_start = .;
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*(.datarom)
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_dr_end = .;
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} > ram
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dr_len = _dr_end - _dr_start;
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.dpram :
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{
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m8260 = .;
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_m8260 = .;
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. += (128 * 1024);
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} > dpram
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/* the reset vector is at 0xfff00000 which is */
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/* located at offset 0x400000 from the base */
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/* of flash */
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.bootrom 0xFFF00000 :
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{
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*(.bootrom)
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_endboot = .;
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} > flash
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.line 0 : { *(.line) }
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.debug 0 : { *(.debug) }
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.debug_sfnames 0 : { *(.debug_sfnames) }
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.debug_srcinfo 0 : { *(.debug_srcinfo) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_aregion 0 : { *(.debug_aregion) }
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.debug_macinfo 0 : { *(.debug_macinfo) }
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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}
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