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author | Michael Brown <mcb30@ipxe.org> | 2023-01-22 12:05:14 +0000 |
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committer | Michael Brown <mcb30@ipxe.org> | 2023-01-22 12:05:14 +0000 |
commit | 31d6eac302412909640f44465f03aab1f5e10afc (patch) | |
tree | 85a03be824806bd59c006c12a6f075673a15e9af /src/scripts/linux.lds | |
parent | a99e435c8e24887ce80c322029ba23103e00d1c2 (diff) | |
download | ipxe-armlinux.zip ipxe-armlinux.tar.gz ipxe-armlinux.tar.bz2 |
[linux] Centralise the linker script for Linux binariesarmlinux
Reduce duplication between i386 and x86_64 by providing a single
shared linker script that both architectures can include.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/scripts/linux.lds')
-rw-r--r-- | src/scripts/linux.lds | 101 |
1 files changed, 101 insertions, 0 deletions
diff --git a/src/scripts/linux.lds b/src/scripts/linux.lds new file mode 100644 index 0000000..afc0128 --- /dev/null +++ b/src/scripts/linux.lds @@ -0,0 +1,101 @@ +/* -*- sh -*- */ + +/* + * Linker script for Linux images + * + */ + +SECTIONS { + _max_align = 32; + + /* + * The text section + * + */ + + . = ALIGN ( _max_align ); + .text : { + _text = .; + *(.text) + *(.text.*) + _etext = .; + } + + /* + * The rodata section + * + */ + + . = ALIGN ( _max_align ); + .rodata : { + _rodata = .; + *(.rodata) + *(.rodata.*) + _erodata = .; + } + + /* + * The data section + * + * Adjust the address for the data segment. We want to adjust up to + * the same address within the page on the next page up. + */ + + . = ALIGN (CONSTANT (MAXPAGESIZE)) - ((CONSTANT (MAXPAGESIZE) - .) & (CONSTANT (MAXPAGESIZE) - 1)); + . = DATA_SEGMENT_ALIGN (CONSTANT (MAXPAGESIZE), CONSTANT (COMMONPAGESIZE)); + .data : { + _data = .; + *(.data) + *(.data.*) + KEEP(*(SORT(.tbl.*))) + KEEP(*(.provided)) + KEEP(*(.provided.*)) + _edata = .; + } + + /* + * The bss section + * + */ + + . = ALIGN ( _max_align ); + .bss : { + _bss = .; + *(.bss) + *(.bss.*) + *(COMMON) + _ebss = .; + } + + /* + * Weak symbols that need zero values if not otherwise defined + * + */ + + .weak 0x0 : { + _weak = .; + *(.weak) + *(.weak.*) + _eweak = .; + } + _assert = ASSERT ( ( _weak == _eweak ), ".weak is non-zero length" ); + + /* + * Dispose of the comment and note sections to make the link map + * easier to read + * + */ + + /DISCARD/ : { + *(.comment) + *(.comment.*) + *(.note) + *(.note.*) + *(.rel) + *(.rel.*) + *(.discard) + *(.discard.*) + *(.sbat) + *(.sbat.*) + } +} |