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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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2
src/arch/i386/prefix/dskprefix.S
View File

@ -145,7 +145,7 @@ got_sectors:
ljmp $SYSSEG, $start_runtime
endseg: .word SYSSEG + _filesz_pgh
.section ".zinfo.fixup", "a" /* Compressor fixup information */
.section ".zinfo.fixup", "a", @progbits /* Compressor fixups */
.ascii "SUBW"
.long endseg
.long 16

2
src/arch/i386/prefix/hdprefix.S
View File

@ -65,7 +65,7 @@ max_head:
load_length:
.long _filesz_sect
.section ".zinfo.fixup", "a" /* Compressor fixup information */
.section ".zinfo.fixup", "a", @progbits /* Compressor fixups */
.ascii "SUBL"
.long load_length
.long 512

4
src/arch/i386/prefix/libprefix.S
View File

@ -679,7 +679,7 @@ prot_call_vector:
/* File split information for the compressor */
#if COMPRESS
.section ".zinfo", "a"
.section ".zinfo", "a", @progbits
.ascii "COPY"
.long _prefix_lma
.long _prefix_filesz
@ -697,7 +697,7 @@ prot_call_vector:
.long _textdata_filesz
.long _max_align
#else /* COMPRESS */
.section ".zinfo", "a"
.section ".zinfo", "a", @progbits
.ascii "COPY"
.long _prefix_lma
.long _filesz

2
src/arch/i386/prefix/lkrnprefix.S
View File

@ -94,7 +94,7 @@ root_flags:
syssize:
.long _filesz_pgh - PREFIXPGH
.section ".zinfo.fixup", "a" /* Compressor fixup information */
.section ".zinfo.fixup", "a", @progbits /* Compressor fixups */
.ascii "SUBL"
.long syssize
.long 16

2
src/arch/i386/prefix/nbiprefix.S
View File

@ -36,7 +36,7 @@ imglen: .long _filesz - 512
memlen: .long _filesz - 512
.size segment_header, . - segment_header
.section ".zinfo.fixup", "a" /* Compressor fixup information */
.section ".zinfo.fixup", "a", @progbits /* Compressor fixups */
.ascii "SUBL"
.long imglen
.long 1

4
src/arch/i386/prefix/romprefix.S
View File

@ -42,7 +42,7 @@ checksum:
.word pnpheader
.size romheader, . - romheader
.section ".zinfo.fixup", "a" /* Compressor fixup information */
.section ".zinfo.fixup", "a", @progbits /* Compressor fixups */
.ascii "SUBB"
.long romheader_size
.long 512
@ -69,7 +69,7 @@ pciheader_runtime_length:
.equ pciheader_len, . - pciheader
.size pciheader, . - pciheader
.section ".zinfo.fixup", "a" /* Compressor fixup information */
.section ".zinfo.fixup", "a", @progbits /* Compressor fixups */
.ascii "SUBW"
.long pciheader_image_length
.long 512

14
src/arch/i386/scripts/i386.lds
View File

@ -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
*