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patches/glibc/ports-2.10.1/620-r10k-workarounds.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Aug 23 23:18:49 2010 +0200 (2010-08-23)
changeset 2099 1bb063c8a0ca
permissions -rw-r--r--
complibs: noone is using companion libs on the target; nuke them

As there's no longer any user of the companion libraries on the
target, nuke the build for the target.

Well, at least, there's libelf that's still needed by ltrace, so
we keep it.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr> 
     1 ripped from Debian

     2 

     3 the R10000 needs an LL/SC Workaround. If not applied all R10k before

     4 rev 3.0 misbehave on atomic ops and rev 2.6 and lower (e.g. SGI IP28)

     5 die after very few seconds with a deadlock due to even more erratas.

     6 

     7  ports/sysdeps/mips/bits/atomic.h |   12 ++++++------

     8  1 file changed, 6 insertions(+), 6 deletions(-)

     9 

    10 diff -durN glibc-2.10.1.orig/glibc-ports-2.10.1/sysdeps/mips/bits/atomic.h glibc-2.10.1/glibc-ports-2.10.1/sysdeps/mips/bits/atomic.h

    11 --- glibc-2.10.1.orig/glibc-ports-2.10.1/sysdeps/mips/bits/atomic.h	2009-05-16 10:36:20.000000000 +0200

    12 +++ glibc-2.10.1/glibc-ports-2.10.1/sysdeps/mips/bits/atomic.h	2009-11-13 00:51:34.000000000 +0100

    13 @@ -74,7 +74,7 @@

    14       "bne	%0,%2,2f\n\t"						      \

    15       "move	%1,%3\n\t"						      \

    16       "sc	%1,%4\n\t"						      \

    17 -     "beqz	%1,1b\n"						      \

    18 +     "beqzl	%1,1b\n"						      \

    19       acq	"\n\t"							      \

    20       ".set	pop\n"							      \

    21       "2:\n\t"								      \

    22 @@ -98,7 +98,7 @@

    23       "bne	%0,%2,2f\n\t"						      \

    24       "move	%1,%3\n\t"						      \

    25       "scd	%1,%4\n\t"						      \

    26 -     "beqz	%1,1b\n"						      \

    27 +     "beqzl	%1,1b\n"						      \

    28       acq	"\n\t"							      \

    29       ".set	pop\n"							      \

    30       "2:\n\t"								      \

    31 @@ -192,7 +192,7 @@

    32       "ll	%0,%3\n\t"						      \

    33       "move	%1,%2\n\t"						      \

    34       "sc	%1,%3\n\t"						      \

    35 -     "beqz	%1,1b\n"						      \

    36 +     "beqzl	%1,1b\n"						      \

    37       acq	"\n\t"							      \

    38       ".set	pop\n"							      \

    39       "2:\n\t"								      \

    40 @@ -216,7 +216,7 @@

    41       "lld	%0,%3\n\t"						      \

    42       "move	%1,%2\n\t"						      \

    43       "scd	%1,%3\n\t"						      \

    44 -     "beqz	%1,1b\n"						      \

    45 +     "beqzl	%1,1b\n"						      \

    46       acq	"\n\t"							      \

    47       ".set	pop\n"							      \

    48       "2:\n\t"								      \

    49 @@ -251,7 +251,7 @@

    50       "ll	%0,%3\n\t"						      \

    51       "addu	%1,%0,%2\n\t"						      \

    52       "sc	%1,%3\n\t"						      \

    53 -     "beqz	%1,1b\n"						      \

    54 +     "beqzl	%1,1b\n"						      \

    55       acq	"\n\t"							      \

    56       ".set	pop\n"							      \

    57       "2:\n\t"								      \

    58 @@ -275,7 +275,7 @@

    59       "lld	%0,%3\n\t"						      \

    60       "daddu	%1,%0,%2\n\t"						      \

    61       "scd	%1,%3\n\t"						      \

    62 -     "beqz	%1,1b\n"						      \

    63 +     "beqzl	%1,1b\n"						      \

    64       acq	"\n\t"							      \

    65       ".set	pop\n"							      \

    66       "2:\n\t"								      \

    67 diff -durN glibc-2.10.1.orig/ports/sysdeps/mips/bits/atomic.h glibc-2.10.1/ports/sysdeps/mips/bits/atomic.h
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