patches/gcc/4.4.3/260-sh-libgcc-stacks.patch
author "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
Mon Feb 21 23:39:46 2011 +0100 (2011-02-21)
changeset 2312 8b9938edd3d8
parent 1611 e2516bba8fe5
permissions -rw-r--r--
libc/glibc: add fortify option

By default, recent versions of glibc and eglibc will build some
functions that take format strings (eg. printf, syslog...) with
run-time checks against some format string attacks. This is
called a fortified build.

Unfortunately, this fails somehow while building the instrumented
version of syslog, with some kind of circular dependency...

Disable fortified builds by default, and hide the enabling option
behind EXPERIMENTAL for daring users...

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
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diff -durN gcc-4.4.0.orig/gcc/config/sh/lib1funcs.asm gcc-4.4.0/gcc/config/sh/lib1funcs.asm
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--- gcc-4.4.0.orig/gcc/config/sh/lib1funcs.asm	2009-04-10 01:23:07.000000000 +0200
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+++ gcc-4.4.0/gcc/config/sh/lib1funcs.asm	2009-05-27 21:38:39.000000000 +0200
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@@ -30,6 +30,11 @@
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 !! recoded in assembly by Toshiyasu Morita
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 !! tm@netcom.com
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+#if defined(__ELF__) && defined(__linux__)
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+.section .note.GNU-stack,"",%progbits
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+.previous
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+#endif
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+
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 /* SH2 optimizations for ___ashrsi3, ___ashlsi3, ___lshrsi3 and
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    ELF local label prefixes by J"orn Rennecke
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    amylaar@cygnus.com  */
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diff -durN gcc-4.4.0.orig/gcc/config/sh/linux-atomic.asm gcc-4.4.0/gcc/config/sh/linux-atomic.asm
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--- gcc-4.4.0.orig/gcc/config/sh/linux-atomic.asm	2009-04-10 01:23:07.000000000 +0200
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+++ gcc-4.4.0/gcc/config/sh/linux-atomic.asm	2009-05-27 21:38:39.000000000 +0200
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@@ -136,3 +136,6 @@
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 ATOMIC_FETCH_AND_COMBOP(nand,and,not,4,l,mov)
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 #endif /* ! __SH5__ */
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+
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+.section .note.GNU-stack,"",%progbits
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+.previous