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linux_dsm_epyc7002/arch/sparc/vdso
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David S. Miller caf539cd10 sparc: Fix VDSO build with older binutils. 
Older versions of bintutils do not allow symbol math across different
segments on sparc:

====================
Assembler messages:
99: Error: operation combines symbols in different segments
====================

This is controlled by whether or not DIFF_EXPR_OK is defined in
gas/config/tc-*.h and for sparc this was not the case until mid-2017.

So we have to patch between %stick and %tick another way.

Do what powerpc does and emit two versions of the relevant functions,
one using %tick and one using %stick, and patch the symbols in the
dynamic symbol table.

Fixes: 2f6c9bf31a ("sparc: Improve VDSO instruction patching.")
Reported-by: Meelis Roos <mroos@linux.ee>
Tested-by: Meelis Roos <mroos@linux.ee>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-10-25 10:36:19 -07:00
..
vdso32 sparc: Fix VDSO build with older binutils. 2018-10-25 10:36:19 -07:00
.gitignore vDSO for sparc 2017-11-15 14:21:03 +09:00
checkundef.sh sparc: Validate VDSO for undefined symbols. 2018-10-22 16:09:27 -07:00
Makefile sparc: Validate VDSO for undefined symbols. 2018-10-22 16:09:27 -07:00
vclock_gettime.c sparc: Fix VDSO build with older binutils. 2018-10-25 10:36:19 -07:00
vdso2c.c sparc: Improve VDSO instruction patching. 2018-10-22 15:22:14 -07:00
vdso2c.h sparc: Fix VDSO build with older binutils. 2018-10-25 10:36:19 -07:00
vdso-layout.lds.S sparc: Fix VDSO build with older binutils. 2018-10-25 10:36:19 -07:00
vdso-note.S vDSO for sparc 2017-11-15 14:21:03 +09:00
vdso.lds.S sparc: Fix VDSO build with older binutils. 2018-10-25 10:36:19 -07:00
vma.c sparc: Fix VDSO build with older binutils. 2018-10-25 10:36:19 -07:00