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|
/* -*- sh -*- */
/*
* Linker script for EFI images
*
*/
EXTERN ( efi_entry )
SECTIONS {
/* The file starts at a virtual address of zero, and sections are
* contiguous. Each section is aligned to at least _max_align,
* which defaults to 32. Load addresses are equal to virtual
* addresses.
*/
. = 0;
PROVIDE ( _max_align = 32 );
/*
* The prefix
*
*/
.prefix : {
_prefix = .;
*(.prefix)
*(.prefix.*)
_mprefix = .;
} .bss.prefix (NOLOAD) : {
_eprefix = .;
}
_prefix_filesz = ABSOLUTE ( _mprefix - _prefix );
_prefix_memsz = ABSOLUTE ( _eprefix - _prefix );
/*
* The text section
*
*/
. = ALIGN ( _max_align );
.text : {
_text = .;
*(.text)
*(.text.*)
_mtext = .;
} .bss.text (NOLOAD) : {
_etext = .;
}
_text_filesz = ABSOLUTE ( _mtext - _text );
_text_memsz = ABSOLUTE ( _etext - _text );
/*
* The rodata section
*
*/
. = ALIGN ( _max_align );
.rodata : {
_rodata = .;
*(.rodata)
*(.rodata.*)
_mrodata = .;
} .bss.rodata (NOLOAD) : {
_erodata = .;
}
_rodata_filesz = ABSOLUTE ( _mrodata - _rodata );
_rodata_memsz = ABSOLUTE ( _erodata - _rodata );
/*
* The data section
*
*/
. = ALIGN ( _max_align );
.data : {
_data = .;
*(.data)
*(.data.*)
*(SORT(.tbl.*)) /* Various tables. See include/tables.h */
/* EFI seems to not support proper bss sections */
*(.bss)
*(.bss.*)
*(COMMON)
*(.stack)
*(.stack.*)
_mdata = .;
} .bss.data (NOLOAD) : {
_edata = .;
}
_data_filesz = ABSOLUTE ( _mdata - _data );
_data_memsz = ABSOLUTE ( _edata - _data );
/*
* The bss section
*
*/
. = ALIGN ( _max_align );
.bss : {
_bss = .;
/* EFI seems to not support proper bss sections */
_mbss = .;
} .bss.bss (NOLOAD) : {
_ebss = .;
}
_bss_filesz = ABSOLUTE ( _mbss - _bss );
_bss_memsz = ABSOLUTE ( _ebss - _bss );
/*
* The reloc section
*
*/
. = ALIGN ( _max_align );
.reloc : {
_reloc = .;
/* Provide some dummy contents to force ld to include this
* section. It will be created by the efilink utility.
*/
. += 1;
_mreloc = .;
} .bss.reloc (NOLOAD) : {
_ereloc = .;
}
_reloc_filesz = ABSOLUTE ( _mreloc - _reloc );
_reloc_memsz = ABSOLUTE ( _ereloc - _reloc );
_filesz = ABSOLUTE ( . );
/*
* Weak symbols that need zero values if not otherwise defined
*
*/
.weak 0x0 : {
_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.*)
*(.eh_frame)
*(.eh_frame.*)
*(.rel)
*(.rel.*)
}
/*
* Load address calculations.
*
*/
_prefix_lma = ABSOLUTE ( _prefix );
_text_lma = ABSOLUTE ( _text );
_rodata_lma = ABSOLUTE ( _rodata );
_data_lma = ABSOLUTE ( _data );
_bss_lma = ABSOLUTE ( _bss );
_reloc_lma = ABSOLUTE ( _reloc );
/*
* Load addresses required by the prefix
*
*/
efi_entry_lma = ABSOLUTE ( efi_entry );
debugdir_lma = ABSOLUTE ( debugdir );
codeview_rsds_lma = ABSOLUTE ( codeview_rsds );
}
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