patches/glibc/2.5/160-use_short_for_fnstsw.patch
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"Yann E. MORIN" <yann.morin.1998@free.fr> |
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Thu Dec 27 12:45:22 2012 +0100 (2012-12-27) |
| changeset 3152 |
b286c7993be5 |
| parent 607 |
aaf7ae5cb11a
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| permissions |
-rw-r--r-- |
scripts/addToolsVersion: properly handle .in vs. .in.2
While most components have their version in the .in file, some
have it in the .in.2 (eg. elf2flt).
Currently, to handle this case, we indiscriminately munge both files,
but this is wrong: in the elf2flt case, if we add a binutils version,
we do not want it to be added to elf2flt, and conversely.
So, for each tool, we need to explicitly know what file to munge.
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
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yann@607
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Original patch from H.J. Lu, as reported there:
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yann@607
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http://www.nabble.com/PATCH:-Use-short-for-fnstsw-td14775171.html
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yann@607
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yann@607
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fnstsw stores 16bit into %ax. The upper 16bit of %eax is unchanged.
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yann@607
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The new assembler (binutils-2.18.50.0.4 and up) will disallow "fnstsw %eax".
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yann@607
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yann@607
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diff -dur glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c
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yann@607
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--- glibc-2.6.1.orig/sysdeps/i386/fpu/ftestexcept.c 2004-03-05 11:14:48.000000000 +0100
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yann@607
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+++ glibc-2.6.1/sysdeps/i386/fpu/ftestexcept.c 2008-06-24 10:56:14.000000000 +0200
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yann@607
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@@ -26,7 +26,7 @@
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yann@607
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int
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yann@607
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fetestexcept (int excepts)
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{
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- int temp;
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yann@607
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+ short temp;
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int xtemp = 0;
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yann@607
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/* Get current exceptions. */
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