ARM: Provide linker script for VM
This commit is contained in:
Thomas Veerman
parent
264c20159d
commit
dad3b4e8c8
2 changed files with 253 additions and 0 deletions
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@ -7,6 +7,10 @@ SRCS= main.c alloc.c utility.c exit.c fork.c break.c \
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rs.c queryexit.c yieldedavl.c regionavl.c pb.c \
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rs.c queryexit.c yieldedavl.c regionavl.c pb.c \
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mem_anon.c mem_directphys.c mem_anon_contig.c mem_shared.c
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mem_anon.c mem_directphys.c mem_anon_contig.c mem_shared.c
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.if ${MACHINE_ARCH} == "earm"
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LDFLAGS+= -T ${.CURDIR}/arch/${MACHINE_ARCH}/vm.lds
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.endif
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DPADD+= ${LIBSYS}
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DPADD+= ${LIBSYS}
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LDADD+= -lsys -lexec
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LDADD+= -lsys -lexec
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249
servers/vm/arch/earm/vm.lds
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249
servers/vm/arch/earm/vm.lds
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@ -0,0 +1,249 @@
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/* Script for -z combreloc: combine and sort reloc sections */
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OUTPUT_FORMAT("elf32-littlearm", "elf32-bigarm",
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"elf32-littlearm")
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OUTPUT_ARCH(arm)
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ENTRY(_start)
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SEARCH_DIR("=/usr/local/lib"); SEARCH_DIR("=/lib"); SEARCH_DIR("=/usr/lib");
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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PROVIDE (__executable_start = SEGMENT_START("text-segment", 0x8000)); . = SEGMENT_START("text-segment", 0x8000);
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.interp : { *(.interp) }
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.note.gnu.build-id : { *(.note.gnu.build-id) }
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.hash : { *(.hash) }
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.gnu.hash : { *(.gnu.hash) }
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.dynsym : { *(.dynsym) }
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.dynstr : { *(.dynstr) }
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.gnu.version : { *(.gnu.version) }
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.gnu.version_d : { *(.gnu.version_d) }
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.gnu.version_r : { *(.gnu.version_r) }
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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.bss .rel.bss.* .rel.gnu.linkonce.b.*)
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PROVIDE_HIDDEN (__rel_iplt_start = .);
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*(.rel.iplt)
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PROVIDE_HIDDEN (__rel_iplt_end = .);
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PROVIDE_HIDDEN (__rela_iplt_start = .);
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PROVIDE_HIDDEN (__rela_iplt_end = .);
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}
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.rela.dyn :
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{
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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.bss .rela.bss.* .rela.gnu.linkonce.b.*)
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PROVIDE_HIDDEN (__rel_iplt_start = .);
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PROVIDE_HIDDEN (__rel_iplt_end = .);
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PROVIDE_HIDDEN (__rela_iplt_start = .);
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*(.rela.iplt)
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PROVIDE_HIDDEN (__rela_iplt_end = .);
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}
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.rel.plt :
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{
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*(.rel.plt)
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}
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.rela.plt :
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{
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*(.rela.plt)
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}
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.init :
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{
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KEEP (*(.init))
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} =0
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.plt : { *(.plt) }
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.iplt : { *(.iplt) }
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.text :
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{
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*(.text.unlikely .text.*_unlikely)
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*(.text.exit .text.exit.*)
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*(.text.startup .text.startup.*)
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*(.text.hot .text.hot.*)
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*(.text .stub .text.* .gnu.linkonce.t.*)
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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*(.glue_7t) *(.glue_7) *(.vfp11_veneer) *(.v4_bx)
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} =0
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.fini :
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{
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KEEP (*(.fini))
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} =0
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PROVIDE (__etext = .);
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PROVIDE (_etext = .);
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PROVIDE (etext = .);
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.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
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.rodata1 : { *(.rodata1) }
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.ARM.extab : { *(.ARM.extab* .gnu.linkonce.armextab.*) }
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PROVIDE_HIDDEN (__exidx_start = .);
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.ARM.exidx : { *(.ARM.exidx* .gnu.linkonce.armexidx.*) }
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PROVIDE_HIDDEN (__exidx_end = .);
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.eh_frame_hdr : { *(.eh_frame_hdr) }
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.eh_frame : ONLY_IF_RO { KEEP (*(.eh_frame)) }
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.gcc_except_table : ONLY_IF_RO { *(.gcc_except_table
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.gcc_except_table.*) }
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/* These sections are generated by the Sun/Oracle C++ compiler. */
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.exception_ranges : ONLY_IF_RO { *(.exception_ranges
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.exception_ranges*) }
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/* Adjust the address for the data segment. We want to adjust up to
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the same address within the page on the next page up. */
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/* XXX: align on page boundary */
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/* . = ALIGN(CONSTANT (MAXPAGESIZE)) + (. & (CONSTANT (MAXPAGESIZE) - 1));*/
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. = ALIGN(4096);
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/* Exception handling */
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.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) }
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.gcc_except_table : ONLY_IF_RW { *(.gcc_except_table .gcc_except_table.*) }
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.exception_ranges : ONLY_IF_RW { *(.exception_ranges .exception_ranges*) }
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/* Thread Local Storage sections */
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.tdata : { *(.tdata .tdata.* .gnu.linkonce.td.*) }
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.tbss : { *(.tbss .tbss.* .gnu.linkonce.tb.*) *(.tcommon) }
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.preinit_array :
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{
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PROVIDE_HIDDEN (__preinit_array_start = .);
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KEEP (*(.preinit_array))
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PROVIDE_HIDDEN (__preinit_array_end = .);
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}
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.init_array :
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{
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PROVIDE_HIDDEN (__init_array_start = .);
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KEEP (*(SORT(.init_array.*)))
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KEEP (*(.init_array))
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PROVIDE_HIDDEN (__init_array_end = .);
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}
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.fini_array :
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{
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PROVIDE_HIDDEN (__fini_array_start = .);
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KEEP (*(SORT(.fini_array.*)))
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KEEP (*(.fini_array))
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PROVIDE_HIDDEN (__fini_array_end = .);
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}
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.ctors :
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{
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/* gcc uses crtbegin.o to find the start of
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the constructors, so we make sure it is
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first. Because this is a wildcard, it
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doesn't matter if the user does not
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actually link against crtbegin.o; the
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linker won't look for a file to match a
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wildcard. The wildcard also means that it
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doesn't matter which directory crtbegin.o
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is in. */
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KEEP (*crtbegin.o(.ctors))
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KEEP (*crtbegin?.o(.ctors))
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/* We don't want to include the .ctor section from
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the crtend.o file until after the sorted ctors.
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The .ctor section from the crtend file contains the
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end of ctors marker and it must be last */
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .ctors))
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KEEP (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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}
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{
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KEEP (*crtbegin.o(.dtors))
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KEEP (*crtbegin?.o(.dtors))
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KEEP (*(EXCLUDE_FILE (*crtend.o *crtend?.o ) .dtors))
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KEEP (*(SORT(.dtors.*)))
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KEEP (*(.dtors))
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}
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/* XXX: no jcr, got, etc.
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.jcr : { KEEP (*(.jcr)) }
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.data.rel.ro : { *(.data.rel.ro.local* .gnu.linkonce.d.rel.ro.local.*) *(.data.rel.ro* .gnu.linkonce.d.rel.ro.*) }
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.dynamic : { *(.dynamic) }
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.got : { *(.got.plt) *(.igot.plt) *(.got) *(.igot) }
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*/
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.data :
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__data_start = . ;
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pagetable.o(.data)
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*(.data .data.* .gnu.linkonce.d.*)
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SORT(CONSTRUCTORS)
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/* XXX: 16KB align */
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. = ALIGN(16384);
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}
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_edata = .; PROVIDE (edata = .);
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*(COMMON)
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/* Align here to ensure that the .bss section occupies space up to
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_end. Align after .bss to ensure correct alignment even if the
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.bss section disappears because there are no input sections.
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FIXME: Why do we need it? When there is no .bss section, we don't
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pad the .data section. */
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. = ALIGN(. != 0 ? 32 / 8 : 1);
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}
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_bss_end__ = . ; __bss_end__ = . ;
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. = ALIGN(32 / 8);
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. = ALIGN(32 / 8);
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__end__ = . ;
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_end = .; PROVIDE (end = .);
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/* Stabs debugging sections. */
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/* DWARF debug sections.
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of the section so we begin them at 0. */
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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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.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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.debug_aranges 0 : { *(.debug_aranges) }
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.debug_pubnames 0 : { *(.debug_pubnames) }
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/* DWARF 2 */
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.debug_info 0 : { *(.debug_info .gnu.linkonce.wi.*) }
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.debug_abbrev 0 : { *(.debug_abbrev) }
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.debug_line 0 : { *(.debug_line) }
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.debug_frame 0 : { *(.debug_frame) }
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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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.debug_weaknames 0 : { *(.debug_weaknames) }
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/* DWARF 3 */
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{
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_stack = .;
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*(.stack)
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}
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.ARM.attributes 0 : { KEEP (*(.ARM.attributes)) KEEP (*(.gnu.attributes)) }
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.note.gnu.arm.ident 0 : { KEEP (*(.note.gnu.arm.ident)) }
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/DISCARD/ : { *(.note.GNU-stack) *(.gnu_debuglink) *(.gnu.lto_*) }
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}
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