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[build] Fix building on Ubuntu 8.04

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Not fully understood, but it seems that the LMA of bss sections matters
for some newer binutils builds.  Force all bss sections to have an LMA
at the end of the file, so that they don't interfere with other
sections.

The symptom was that objcopy -O binary -j .zinfo would extract the
.zinfo section from bin/xxx.tmp as a blob of the correct length, but
with zero contents.  This would then cause the [ZBIN] stage of the
build to fail.

Also explicitly state that .zinfo(.*) sections have @progbits, in case
some future assembler or linker variant decides to omit them.
This commit is contained in:
Michael Brown
2008-10-16 20:39:48 -04:00
committed by Michael Brown
parent 58dd6e04c5
commit 04f3206581
7 changed files with 16 additions and 14 deletions
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14
src/arch/i386/scripts/i386.lds
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@@ -34,7 +34,7 @@ SECTIONS {
*(.prefix)
*(.prefix.*)
_mprefix = .;
} .prefix_bss (NOLOAD) : {
} .prefix_bss (NOLOAD) : AT ( _end_lma ) {
_eprefix = .;
}
_prefix_filesz = ABSOLUTE ( _mprefix - _prefix );
@@ -52,7 +52,7 @@ SECTIONS {
*(.text16)
*(.text16.*)
_mtext16 = .;
} .text16_bss (NOLOAD) : {
} .text16_bss (NOLOAD) : AT ( _end_lma ) {
_etext16 = .;
}
_text16_filesz = ABSOLUTE ( _mtext16 - _text16 );
@@ -71,7 +71,7 @@ SECTIONS {
*(.data16)
*(.data16.*)
_mdata16 = .;
} .data16_bss (NOLOAD) : {
} .data16_bss (NOLOAD) : AT ( _end_lma ) {
*(.bss16)
*(.bss16.*)
*(.stack16)
@@ -98,7 +98,7 @@ SECTIONS {
*(.data.*)
*(SORT(.tbl.*)) /* Various tables. See include/tables.h */
_mtextdata = .;
} .textdata_bss (NOLOAD) : {
} .textdata_bss (NOLOAD) : AT ( _end_lma ) {
*(.bss)
*(.bss.*)
*(COMMON)
@@ -119,7 +119,7 @@ SECTIONS {
*(.zinfo)
*(.zinfo.*)
_mzinfo = .;
} .zinfo_bss (NOLOAD) : {
} .zinfo_bss (NOLOAD) : AT ( _end_lma ) {
_ezinfo = .;
}
_zinfo_filesz = ABSOLUTE ( _mzinfo - _zinfo );
@@ -130,7 +130,7 @@ SECTIONS {
*
*/
.weak 0x0 : {
.weak 0x0 : AT ( _end_lma ) {
_weak = .;
*(.weak)
_eweak = .;
@@ -181,6 +181,8 @@ SECTIONS {
. += _zinfo_filesz;
. = ALIGN ( _max_align );
_end_lma = .;
/*
* Values calculated to save code from doing it
*