62b10973b1
alignment aborts in ubldr.bin for RPi that started happening with clang 3.8 (earlier clang apparently didn't generate strd instructions that trigger the alignment fault). The abort happened in ubldr.bin and not ubldr (elf version) because the elf headers are 0xf4 bytes long, and stripping them off left everything 4-byte aligned. While here, also stop aligning the data segment to a page boundary, align it to 8 bytes instead (aligning to a page just needlessly makes the file bigger); pointed out by andrew@.
135 lines
4.2 KiB
Plaintext
135 lines
4.2 KiB
Plaintext
/* $FreeBSD$ */
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OUTPUT_ARCH(arm)
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ENTRY(_start)
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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. = UBLDR_LOADADDR + SIZEOF_HEADERS;
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. = ALIGN(8);
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.text :
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{
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*(.text)
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/* .gnu.warning sections are handled specially by elf32.em. */
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*(.gnu.warning)
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*(.gnu.linkonce.t*)
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} =0
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_etext = .;
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PROVIDE (etext = .);
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.interp : { *(.interp) }
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.hash : { *(.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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.rela.text :
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{ *(.rela.text) *(.rela.gnu.linkonce.t*) }
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.rela.data :
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{ *(.rela.data) *(.rela.gnu.linkonce.d*) }
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.rela.rodata :
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{ *(.rela.rodata) *(.rela.gnu.linkonce.r*) }
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.rela.got : { *(.rela.got) }
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.rela.got1 : { *(.rela.got1) }
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.rela.got2 : { *(.rela.got2) }
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.rela.ctors : { *(.rela.ctors) }
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.rela.dtors : { *(.rela.dtors) }
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.rela.init : { *(.rela.init) }
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.rela.fini : { *(.rela.fini) }
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.rela.bss : { *(.rela.bss) }
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.rela.plt : { *(.rela.plt) }
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.rela.sdata : { *(.rela.sdata) }
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.rela.sbss : { *(.rela.sbss) }
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.rela.sdata2 : { *(.rela.sdata2) }
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.rela.sbss2 : { *(.rela.sbss2) }
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.init : { *(.init) } =0
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.fini : { *(.fini) } =0
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.rodata : { *(.rodata) *(.gnu.linkonce.r*) }
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.rodata1 : { *(.rodata1) }
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.sdata2 : { *(.sdata2) }
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.sbss2 : { *(.sbss2) }
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/* Adjust the address for the data segment to the doubleword boundary. */
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. = ALIGN(8);
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.data :
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{
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*(.data)
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*(.gnu.linkonce.d*)
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CONSTRUCTORS
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}
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.data1 : { *(.data1) }
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.got1 : { *(.got1) }
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.dynamic : { *(.dynamic) }
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/* Put .ctors and .dtors next to the .got2 section, so that the pointers
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get relocated with -mrelocatable. Also put in the .fixup pointers.
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The current compiler no longer needs this, but keep it around for 2.7.2 */
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PROVIDE (_GOT2_START_ = .);
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.got2 : { *(.got2) }
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PROVIDE (__CTOR_LIST__ = .);
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.ctors : { *(.ctors) }
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PROVIDE (__CTOR_END__ = .);
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PROVIDE (__DTOR_LIST__ = .);
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.dtors : { *(.dtors) }
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PROVIDE (__DTOR_END__ = .);
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PROVIDE (_FIXUP_START_ = .);
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.fixup : { *(.fixup) }
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PROVIDE (_FIXUP_END_ = .);
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PROVIDE (_GOT2_END_ = .);
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PROVIDE (_GOT_START_ = .);
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.got : { *(.got) }
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.got.plt : { *(.got.plt) }
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PROVIDE (_GOT_END_ = .);
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/* We want the small data sections together, so single-instruction offsets
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can access them all, and initialized data all before uninitialized, so
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we can shorten the on-disk segment size. */
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.sdata : { *(.sdata) }
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_edata = .;
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PROVIDE (edata = .);
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.sbss :
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{
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PROVIDE (__sbss_start = .);
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*(.sbss)
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*(.scommon)
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*(.dynsbss)
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PROVIDE (__sbss_end = .);
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}
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.plt : { *(.plt) }
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.bss :
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{
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PROVIDE (__bss_start = .);
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*(.dynbss)
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*(.bss)
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*(COMMON)
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}
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_end = . ;
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PROVIDE (end = .);
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/* Stabs debugging sections. */
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.stab 0 : { *(.stab) }
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.stabstr 0 : { *(.stabstr) }
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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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.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) }
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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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.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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/* These must appear regardless of . */
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}
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