mirror of
https://git.hardenedbsd.org/hardenedbsd/HardenedBSD.git
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7df304f3e0
use the PBVM. This eliminates the implied hardcoding of the physical address at which the kernel needs to be loaded. Using the PBVM makes it possible to load the kernel irrespective of the physical memory organization and allows us to replicate kernel text on NUMA machines. While here, reduce the direct-mapped page size to the kernel's page size so that we can support memory attributes better.
153 lines
5.0 KiB
Plaintext
153 lines
5.0 KiB
Plaintext
/* $FreeBSD$ */
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OUTPUT_FORMAT("elf64-ia64-freebsd", "elf64-ia64-freebsd", "elf64-ia64-freebsd")
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OUTPUT_ARCH(ia64)
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ENTRY(__start)
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SEARCH_DIR(/usr/lib);
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kernel_text = 0x9ffc000000000000;
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SECTIONS
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{
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/* Read-only sections, merged into text segment: */
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. = kernel_text + SIZEOF_HEADERS;
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.interp : { *(.interp) }
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PROVIDE (btext = .);
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.text :
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{
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*(.ivt)
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*(.ivt.text)
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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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} = 0x00300000010070000002000001000400
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.init : { *(.init) } = 0x00300000010070000002000001000400
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.plt : { *(.plt) }
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.fini : { *(.fini) } = 0x00300000010070000002000001000400
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_etext = .;
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PROVIDE (etext = .);
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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.init : { *(.rela.init) }
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.rela.text : { *(.rela.text .rela.text.* .rela.gnu.linkonce.t.*) }
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.rela.fini : { *(.rela.fini) }
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.rela.rodata : { *(.rela.rodata .rela.rodata.* .rela.gnu.linkonce.r.*) }
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.rela.data : { *(.rela.data .rela.data.* .rela.gnu.linkonce.d.*) }
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.rela.ctors : { *(.rela.ctors) }
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.rela.dtors : { *(.rela.dtors) }
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.rela.got : { *(.rela.got) }
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.rela.sdata : { *(.rela.sdata .rela.sdata.* .rela.gnu.linkonce.s.*) }
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.rela.sbss : { *(.rela.sbss .rela.sbss.* .rela.gnu.linkonce.sb.*) }
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.rela.sdata2 : { *(.rela.sdata2 .rela.sdata2.* .rela.gnu.linkonce.s2.*) }
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.rela.sbss2 : { *(.rela.sbss2 .rela.sbss2.* .rela.gnu.linkonce.sb2.*) }
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.rela.bss : { *(.rela.bss .rela.bss.* .rela.gnu.linkonce.b.*) }
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.rela.plt : { *(.rela.plt) }
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.rela.IA_64.pltoff : { *(.rela.IA_64.pltoff) }
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.IA_64.unwind_info : { *(.IA_64.unwind_info* .gnu.linkonce.ia64unwi.*) }
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.IA_64.unwind : { *(.IA_64.unwind* .gnu.linkonce.ia64unw.*) }
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.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
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.rodata1 : { *(.rodata1) }
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.sdata2 : { *(.sdata2 .sdata2.* .gnu.linkonce.s2.*) }
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.sbss2 : { *(.sbss2 .sbss2.* .gnu.linkonce.sb2.*) }
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.opd : { *(.opd) }
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/* Adjust the address for the data segment. We want to start in the next
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page in the loader virtual memory. */
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. = ALIGN(65536);
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PROVIDE (bdata = .);
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.data :
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{
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*(.ivt.data)
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*(.data .data.* .gnu.linkonce.d.*)
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SORT(CONSTRUCTORS)
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}
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.data1 : { *(.data1) }
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.dynamic : { *(.dynamic) }
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.ctors :
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{
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*(.ctors)
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*(SORT(.ctors.*))
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}
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.dtors :
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{
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*(.dtors)
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*(SORT(.dtors.*))
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}
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. = ALIGN(16);
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__gp = . + 0x200000;
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.got : { *(.got.plt) *(.got) }
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.IA_64.pltoff : { *(.IA_64.pltoff) }
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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 :
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{
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*(.sdata .sdata.* .gnu.linkonce.s.*)
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}
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_edata = .;
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PROVIDE (edata = .);
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__bss_start = .;
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.sbss :
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{
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PROVIDE (__sbss_start = .);
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PROVIDE (___sbss_start = .);
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*(.dynsbss)
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*(.sbss .sbss.* .gnu.linkonce.sb.*)
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*(.scommon)
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PROVIDE (__sbss_end = .);
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PROVIDE (___sbss_end = .);
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}
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.bss :
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{
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*(.dynbss)
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*(.bss .bss.* .gnu.linkonce.b.*)
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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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. = ALIGN(64 / 8);
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}
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. = ALIGN(64 / 8);
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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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.stab.excl 0 : { *(.stab.excl) }
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.stab.exclstr 0 : { *(.stab.exclstr) }
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.stab.index 0 : { *(.stab.index) }
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.stab.indexstr 0 : { *(.stab.indexstr) }
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.comment 0 : { *(.comment) }
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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 .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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.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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}
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