--- /dev/null
+/* -*- ld-script -*- */
+
+/*
+ * Linker script for i386 images
+ *
+ */
+
+SECTIONS {
+
+ /* Each section starts at a virtual address of zero.
+ *
+ * We guarantee alignment of virtual addresses to any alignment
+ * specified by the constituent object files (e.g. via
+ * __attribute__((aligned(x)))). Load addresses are guaranteed
+ * only up to _max_align. Provided that all loader and relocation
+ * code honours _max_align, this means that physical addresses are
+ * also guaranteed up to _max_align.
+ *
+ * Note that when using -DKEEP_IT_REAL, the UNDI segments are only
+ * guaranteed to be loaded on a paragraph boundary (i.e. 16-byte
+ * alignment). Using _max_align>16 will therefore not guarantee
+ * >16-byte alignment of physical addresses when -DKEEP_IT_REAL is
+ * used (though virtual addresses will still be fully aligned).
+ *
+ */
+
+ PROVIDE ( _max_align = 16 );
+
+ /*
+ * The prefix
+ *
+ */
+
+ .prefix 0x0 : AT ( _prefix_lma ) {
+ _prefix = .;
+ *(.prefix)
+ *(.prefix.*)
+ _mprefix = .;
+ } .bss.prefix (NOLOAD) : AT ( _end_lma ) {
+ _eprefix = .;
+ }
+ _prefix_filesz = ABSOLUTE ( _mprefix ) - ABSOLUTE ( _prefix );
+ _prefix_memsz = ABSOLUTE ( _eprefix ) - ABSOLUTE ( _prefix );
+
+ /*
+ * The 16-bit (real-mode) code section
+ *
+ */
+
+ .text16.early 0x0 : AT ( _text16_early_lma ) {
+ _text16 = .;
+ KEEP(*(.text16.null))
+ KEEP(*(.text16.null.*))
+ . += 1; /* Prevent NULL being valid */
+ *(.text16.early)
+ *(.text16.early.*)
+ _etext16_early = .;
+ } .text16.late ALIGN ( _max_align ) : AT ( _text16_late_lma ) {
+ _text16_late = .;
+ *(.text16)
+ *(.text16.*)
+ _mtext16 = .;
+ } .bss.text16 (NOLOAD) : AT ( _end_lma ) {
+ _etext16 = .;
+ }
+ _text16_early_filesz = ABSOLUTE ( _etext16_early ) - ABSOLUTE ( _text16 );
+ _text16_early_memsz = ABSOLUTE ( _etext16_early ) - ABSOLUTE ( _text16 );
+ _text16_late_filesz = ABSOLUTE ( _mtext16 ) - ABSOLUTE ( _text16_late );
+ _text16_late_memsz = ABSOLUTE ( _etext16 ) - ABSOLUTE ( _text16_late );
+ _text16_memsz = ABSOLUTE ( _etext16 ) - ABSOLUTE ( _text16 );
+
+ /*
+ * The 16-bit (real-mode) data section
+ *
+ */
+
+ .data16 0x0 : AT ( _data16_lma ) {
+ _data16 = .;
+ . += 1; /* Prevent NULL being valid */
+ *(.rodata16)
+ *(.rodata16.*)
+ *(.data16)
+ *(.data16.*)
+ _mdata16 = .;
+ } .bss.data16 (NOLOAD) : AT ( _end_lma ) {
+ *(.bss16)
+ *(.bss16.*)
+ *(.stack16)
+ *(.stack16.*)
+ _edata16 = .;
+ }
+ _data16_filesz = ABSOLUTE ( _mdata16 ) - ABSOLUTE ( _data16 );
+ _data16_memsz = ABSOLUTE ( _edata16 ) - ABSOLUTE ( _data16 );
+
+ /*
+ * The 32-bit sections
+ *
+ */
+
+ .textdata 0x0 : AT ( _textdata_lma ) {
+ _textdata = .;
+ KEEP(*(.text.null_trap))
+ KEEP(*(.text.null_trap.*))
+ . += 1; /* Prevent NULL being valid */
+ *(.text)
+ *(.text.*)
+ *(.rodata)
+ *(.rodata.*)
+ *(.data)
+ *(.data.*)
+ KEEP(*(SORT(.tbl.*))) /* Various tables. See include/tables.h */
+ KEEP(*(.provided))
+ KEEP(*(.provided.*))
+ _mtextdata = .;
+ } .bss.textdata (NOLOAD) : AT ( _end_lma ) {
+ *(.bss)
+ *(.bss.*)
+ *(COMMON)
+ *(.stack)
+ *(.stack.*)
+ _etextdata = .;
+ }
+ _textdata_filesz = ABSOLUTE ( _mtextdata ) - ABSOLUTE ( _textdata );
+ _textdata_memsz = ABSOLUTE ( _etextdata ) - ABSOLUTE ( _textdata );
+
+ /*
+ * Payload prefix
+ *
+ * If present, this will be placed between .text16.early and .text16.late.
+ *
+ */
+ .pprefix 0x0 : AT ( _pprefix_lma ) {
+ _pprefix = .;
+ KEEP(*(.pprefix))
+ KEEP(*(.pprefix.*))
+ _mpprefix = .;
+ } .bss.pprefix (NOLOAD) : AT ( _end_lma ) {
+ _epprefix = .;
+ }
+ _pprefix_filesz = ABSOLUTE ( _mpprefix ) - ABSOLUTE ( _pprefix );
+ _pprefix_memsz = ABSOLUTE ( _epprefix ) - ABSOLUTE ( _pprefix );
+
+ /*
+ * Compressor information block
+ *
+ */
+
+ .zinfo 0x0 : AT ( _zinfo_lma ) {
+ _zinfo = .;
+ KEEP(*(.zinfo))
+ KEEP(*(.zinfo.*))
+ _mzinfo = .;
+ } .bss.zinfo (NOLOAD) : AT ( _end_lma ) {
+ _ezinfo = .;
+ }
+ _zinfo_filesz = ABSOLUTE ( _mzinfo ) - ABSOLUTE ( _zinfo );
+ _zinfo_memsz = ABSOLUTE ( _ezinfo ) - ABSOLUTE ( _zinfo );
+
+ /*
+ * Weak symbols that need zero values if not otherwise defined
+ *
+ */
+
+ .weak 0x0 : AT ( _end_lma ) {
+ _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.*)
+ *(.eh_frame)
+ *(.eh_frame.*)
+ *(.rel)
+ *(.rel.*)
+ *(.einfo)
+ *(.einfo.*)
+ *(.discard)
+ *(.discard.*)
+ }
+
+ /*
+ * Load address calculations. In older versions of ld, ALIGN()
+ * can operate only on the location counter, so we use that.
+ *
+ */
+
+ . = 0;
+
+ . = ALIGN ( _max_align );
+ _prefix_lma = .;
+ . += _prefix_filesz;
+
+ . = ALIGN ( _max_align );
+ _text16_early_lma = .;
+ . += _text16_early_filesz;
+
+ . = ALIGN ( _max_align );
+ . = ALIGN ( _payload_align );
+ _pprefix_lma = .;
+ . += _pprefix_filesz;
+
+ . = ALIGN ( _max_align );
+ _payload_lma = .;
+ _pprefix_skip = ABSOLUTE ( _payload_lma ) - ABSOLUTE ( _pprefix_lma );
+ _text16_late_lma = .;
+ . += _text16_late_filesz;
+
+ . = ALIGN ( _max_align );
+ _data16_lma = .;
+ . += _data16_filesz;
+
+ . = ALIGN ( _max_align );
+ _textdata_lma = .;
+ . += _textdata_filesz;
+
+ _filesz = .; /* Do not include zinfo block in file size */
+
+ . = ALIGN ( _max_align );
+ _zinfo_lma = .;
+ . += _zinfo_filesz;
+
+ . = ALIGN ( _max_align );
+ _end_lma = .;
+
+ /*
+ * Values calculated to save code from doing it
+ *
+ */
+ _text16_memsz_pgh = ( ( _text16_memsz + 15 ) / 16 );
+ _data16_memsz_pgh = ( ( _data16_memsz + 15 ) / 16 );
+ _textdata_memsz_pgh = ( ( _textdata_memsz + 15 ) / 16 );
+ _textdata_memsz_kb = ( ( _textdata_memsz + 1023 ) / 1024 );
+}
Code Review / kvmfornfv.git / blobdiff