On Thu, Mar 22, 2007 at 12:03:54AM -0700, Christopher Li wrote:
> On Thu, Mar 22, 2007 at 07:33:44AM +0000, Al Viro wrote:
> > Segfault is new (which version?); the fscking mess in altivec is not, but
> > it (a) doesn't depend on host sparse is ran on; (b) shouldn't lead to
> > segfaults. Altivec extensions are undocumented and fortunately used only
> > in one place in the tree. You should get sparse errors, but it shouldn't
> > die on those.
>
> I think the segfault is likely to cause by my recent change in the parser.
>
> Dave, can you get a backtrace of the segfault? Even better if you can
> give me a small test case which I can reproduce it on x86.
>
> My guess it is cause by the bad_ctype related changes.
So the good news is that this only seems to affect 0.2
Current git doesn't segfault, but still emits lots of spew.
Dave
make -f scripts/Makefile.build obj=drivers/md drivers/md/raid6altivec1.o
sparse -D__linux__ -Dlinux -D__STDC__ -Dunix -D__unix__ -Wbitwise -m64
-D__powerpc__ -D__powerpc64__ -nostdinc -isystem
/usr/lib/gcc/powerpc64-linux/4.0.1/include
-Wp,-MD,drivers/md/.raid6altivec1.o.d -nostdinc -isystem
/usr/lib/gcc/powerpc64-linux/4.0.1/include -D__KERNEL__ -Iinclude -include
include/linux/autoconf.h -Wall -Wundef -Wstrict-prototypes -Wno-trigraphs
-fno-strict-aliasing -fno-common -Werror-implicit-function-declaration -Wextra
-Wno-unused-parameter -Wno-missing-field-initializers -Os -msoft-float -pipe
-mminimal-toc -mtraceback=none -mcall-aixdesc -mtune=power4 -mno-altivec
-funit-at-a-time -mstring -Wa,-maltivec -fomit-frame-pointer -g
-Wdeclaration-after-statement -Wno-pointer-sign -maltivec -mabi=altivec
-DMODULE -D"KBUILD_STR(s)=#s" -D"KBUILD_BASENAME=KBUILD_STR(raid6altivec1)"
-D"KBUILD_MODNAME=KBUILD_STR(raid456)" drivers/md/raid6altivec1.c ;
/usr/lib/gcc/powerpc64-linux/4.0.1/include/altivec.h:36:2: error: Use the
"-maltivec" flag to enable PowerPC AltiVec support
drivers/md/raid6altivec1.c:41:16: error: Expected ; at end of declaration
drivers/md/raid6altivec1.c:41:16: error: got signed
drivers/md/raid6altivec1.c:50:45: error: Expected ; at end of declaration
drivers/md/raid6altivec1.c:50:45: error: got SHLBYTE
drivers/md/raid6altivec1.c:53:1: error: Expected ; end of type declaration
drivers/md/raid6altivec1.c:53:1: error: got }
drivers/md/raid6altivec1.c:64:2: error: Trying to use reserved word 'return' as
identifier
drivers/md/raid6altivec1.c:64:20: error: Expected ; at end of declaration
drivers/md/raid6altivec1.c:64:20: error: got __builtin_choose_expr
drivers/md/raid6altivec1.c:65:1: error: Expected ; end of type declaration
drivers/md/raid6altivec1.c:65:1: error: got }
drivers/md/raid6altivec1.c:77:12: error: Expected ; at end of declaration
drivers/md/raid6altivec1.c:77:12: error: got wd0
drivers/md/raid6altivec1.c:78:12: error: Expected ; at end of declaration
drivers/md/raid6altivec1.c:78:12: error: got x1d
drivers/md/raid6altivec1.c:84:10: error: Expected ) in function declarator
drivers/md/raid6altivec1.c:84:10: error: got =
drivers/md/raid6altivec1.c:84:2: error: Trying to use reserved word 'for' as
identifier
drivers/md/raid6altivec1.c:84:18: error: Expected ; at end of declaration
drivers/md/raid6altivec1.c:84:18: error: got <
drivers/md/raid6altivec1.c:84:30: error: Expected ; at end of declaration
drivers/md/raid6altivec1.c:84:30: error: got +=
drivers/md/raid6altivec1.c:86:11: error: Expected ) in function declarator
drivers/md/raid6altivec1.c:86:11: error: got =
drivers/md/raid6altivec1.c:86:3: error: Trying to use reserved word 'for' as
identifier
drivers/md/raid6altivec1.c:86:22: error: Expected ; at end of declaration
drivers/md/raid6altivec1.c:86:22: error: got >=
drivers/md/raid6altivec1.c:86:30: error: Expected ; at end of declaration
drivers/md/raid6altivec1.c:86:30: error: got --
drivers/md/raid6altivec1.c:88:10: error: Expected , in
__builtin_types_compatible_p
drivers/md/raid6altivec1.c:88:10: error: got float
drivers/md/raid6altivec1.c:91:10: error: Expected , in
__builtin_types_compatible_p
drivers/md/raid6altivec1.c:91:10: error: got float
drivers/md/raid6altivec1.c:92:10: error: Expected , in
__builtin_types_compatible_p
drivers/md/raid6altivec1.c:92:10: error: got float
drivers/md/raid6altivec1.c:93:10: error: Expected , in
__builtin_types_compatible_p
drivers/md/raid6altivec1.c:93:10: error: got float
drivers/md/raid6altivec1.c:94:3: error: Expected ; end of type declaration
drivers/md/raid6altivec1.c:94:3: error: got }
drivers/md/raid6altivec1.c:96:15: error: Expected ) in nested declarator
drivers/md/raid6altivec1.c:96:15: error: got *
drivers/md/raid6altivec1.c:97:2: error: Expected ; end of type declaration
drivers/md/raid6altivec1.c:97:2: error: got }
drivers/md/raid6altivec1.c:107:2: error: Trying to use reserved word 'do' as
identifier
drivers/md/raid6altivec1.c:107:2: error: Expected ; at end of declaration
drivers/md/raid6altivec1.c:107:2: error: got {
drivers/md/raid6altivec1.c:108:1: error: Expected ; end of type declaration
drivers/md/raid6altivec1.c:108:1: error: got }
drivers/md/raid6altivec1.c:80:7: error: undefined identifier 'disks'
drivers/md/raid6altivec1.c:80:2: error: symbol 'z0' redeclared with different
type (originally declared at drivers/md/raid6altivec1.c:75) - different
signedness
drivers/md/raid6altivec1.c:81:6: error: undefined identifier 'dptr'
drivers/md/raid6altivec1.c:81:2: error: symbol 'p' redeclared with different
type (originally declared at drivers/md/raid6altivec1.c:74) - different base
types
drivers/md/raid6altivec1.c:82:6: error: undefined identifier 'dptr'
drivers/md/raid6altivec1.c:82:2: error: symbol 'q' redeclared with different
type (originally declared at drivers/md/raid6altivec1.c:74) - different base
types
drivers/md/raid6altivec1.c:84:16: error: symbol 'd' redeclared with different
type (originally declared at drivers/md/raid6altivec1.c:75) - different
signedness
drivers/md/raid6altivec1.c:84:28: error: symbol 'd' redeclared with different
type (originally declared at drivers/md/raid6altivec1.c:75) - different
signedness
drivers/md/raid6altivec1.c:86:20: error: symbol 'z' redeclared with different
type (originally declared at drivers/md/raid6altivec1.c:75) - different
signedness
drivers/md/raid6altivec1.c:86:29: error: symbol 'z' redeclared with different
type (originally declared at drivers/md/raid6altivec1.c:75) - different
signedness
drivers/md/raid6altivec1.c:89:10: error: undefined identifier 'MASK'
drivers/md/raid6altivec1.c:90:10: error: undefined identifier 'SHLBYTE'
drivers/md/raid6altivec1.c:96:3: error: symbol 'unative_t' redeclared with
different type (originally declared at drivers/md/raid6altivec1.c:78) -
different base types
drivers/md/raid6altivec1.c:124:2: error: undefined identifier
'raid6_altivec1_gen_syndrome'
--
http://www.codemonkey.org.uk
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