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[POWERPC] Tweak VDSO linker script to avoid upsetting old binutils

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This works around bugs in older binutils' objcopy.
The placement of these sections does not really matter,
but it confused the buggy old BFD libraries.

Signed-off-by: Roland McGrath <roland@redhat.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>
This commit is contained in:
Roland McGrath 2008-05-11 10:40:47 +10:00 committed by Paul Mackerras
parent 21451155d8
commit 2ca7633dc7
2 changed files with 9 additions and 3 deletions
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6
arch/powerpc/kernel/vdso64/vdso64.lds.S
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@ -43,15 +43,15 @@ SECTIONS
.rodata : { *(.rodata .rodata.* .gnu.linkonce.r.*) }
.rodata1 : { *(.rodata1) }
.dynamic : { *(.dynamic) } :text :dynamic
.eh_frame_hdr : { *(.eh_frame_hdr) } :text :eh_frame_hdr
.eh_frame : { KEEP (*(.eh_frame)) } :text
.gcc_except_table : { *(.gcc_except_table) }
.rela.dyn ALIGN(8) : { *(.rela.dyn) }
.opd ALIGN(8) : { KEEP (*(.opd)) }
.got ALIGN(8) : { *(.got .toc) }
.rela.dyn ALIGN(8) : { *(.rela.dyn) }
.dynamic : { *(.dynamic) } :text :dynamic
_end = .;
PROVIDE(end = .);

6
include/asm-powerpc/ppc_asm.h
View File

@ -356,6 +356,12 @@ END_FTR_SECTION_IFCLR(CPU_FTR_601)
#define toreal(rd)
#define fromreal(rd)
/*
* We use addis to ensure compatibility with the "classic" ppc versions of
* these macros, which use rs = 0 to get the tophys offset in rd, rather than
* converting the address in r0, and so this version has to do that too
* (i.e. set register rd to 0 when rs == 0).
*/
#define tophys(rd,rs) \
addis rd,rs,0