m68k: update linker script for kernel
adapted from the toolchain's m68kelf.xc linker script Change-Id: Ia3276f32f8de5938dae13f54f3e0675b71c194a5 Reviewed-on: https://review.haiku-os.org/c/haiku/+/6956 Reviewed-by: Adrien Destugues <pulkomandy@pulkomandy.tk> Tested-by: Commit checker robot <no-reply+buildbot@haiku-os.org>
This commit is contained in:
David Karoly
Adrien Destugues
parent
4f0173cdb0
commit
908afdaae4
@ -2,72 +2,168 @@ OUTPUT_FORMAT("elf32-m68k", "elf32-m68k", "elf32-m68k")
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OUTPUT_ARCH(m68k)
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ENTRY(_start)
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SEARCH_DIR("libgcc");
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/* XXX: this shouldn't be needed to make kernel_m68k have separate text and data segments!!! */
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PHDRS
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{
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headers PT_PHDR PHDRS ;
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text PT_LOAD FILEHDR PHDRS ;
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data PT_LOAD ;
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dynamic PT_DYNAMIC ;
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}
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SECTIONS
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/* writable data */
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/* Strip unnecessary stuff */
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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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*(.rela.plt)
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KEEP (*(SORT_NONE(.init)))
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} =0x4e714e71
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} =0x4e714e71
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} =0x4e714e71
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.sframe : ONLY_IF_RO { *(.sframe) *(.sframe.*) }
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.gcc_except_table : ONLY_IF_RO { *(.gcc_except_table .gcc_except_table.*) }
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.gnu_extab : ONLY_IF_RO { *(.gnu_extab*) }
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/* These sections are generated by the Sun/Oracle C++ compiler. */
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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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. = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE));
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/* Exception handling */
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.eh_frame : ONLY_IF_RW { KEEP (*(.eh_frame)) *(.eh_frame.*) }
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.sframe : ONLY_IF_RW { *(.sframe) *(.sframe.*) }
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.gnu_extab : ONLY_IF_RW { *(.gnu_extab) }
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/* Thread Local Storage sections */
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{
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PROVIDE_HIDDEN (__tdata_start = .);
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*(.tdata .tdata.* .gnu.linkonce.td.*)
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}
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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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KEEP (*(.init_array EXCLUDE_FILE (*crtbegin.o *crtbegin?.o *crtend.o *crtend?.o ) .ctors))
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PROVIDE_HIDDEN (__init_array_end = .);
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}
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{
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PROVIDE_HIDDEN (__fini_array_end = .);
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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 (*(SORT(.ctors.*)))
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KEEP (*(.ctors))
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}
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{
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}
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