patches/gcc/4.4.6/110-trampolinewarn.patch
author Jang, Bongseo <graycells@gmail.com>
Sun Sep 23 11:18:30 2012 +0900 (2012-09-23)
changeset 3058 2800ef0ff450
parent 2149 98b7806295cc
permissions -rw-r--r--
libc/eglibc: Split changeset 3052:06b663f297 into eglibc/libc and eglibc/ports patches

crosstool-ng's glibc patche is made against glibc/libc sub-dir.
changeset 3052:06b663f297 is against glibc top-dir. it needs to split.

Signed-off-by: "Jang, Bongseo" <graycells@gmail.com>
[yann.morin.1998@free.fr: fix the ports patches depth]
Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
Message-ID: <5040c8e83e35618361dc.1348370890@localhost.localdomain>
PatchWork-ID: 186177
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diff -durN gcc-4.4.5.orig/gcc/builtins.c gcc-4.4.5/gcc/builtins.c
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--- gcc-4.4.5.orig/gcc/builtins.c	2010-03-22 16:00:20.000000000 +0100
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+++ gcc-4.4.5/gcc/builtins.c	2010-10-09 22:57:58.000000000 +0200
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@@ -5783,6 +5783,9 @@
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   trampolines_created = 1;
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   INITIALIZE_TRAMPOLINE (r_tramp, r_func, r_chain);
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+  if (warn_trampolines)
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+    warning (OPT_Wtrampolines, "generating trampoline in object (requires executable stack)");
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+
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   return const0_rtx;
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 }
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diff -durN gcc-4.4.5.orig/gcc/common.opt gcc-4.4.5/gcc/common.opt
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--- gcc-4.4.5.orig/gcc/common.opt	2009-03-28 18:28:45.000000000 +0100
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+++ gcc-4.4.5/gcc/common.opt	2010-10-09 22:57:58.000000000 +0200
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@@ -197,6 +197,10 @@
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 Common Var(warn_type_limits) Init(-1) Warning
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 Warn if a comparison is always true or always false due to the limited range of the data type
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+Wtrampolines
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+Common Var(warn_trampolines) Init(1)
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+Warn whenever a trampoline is generated
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+
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 Wuninitialized
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 Common Var(warn_uninitialized) Warning
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 Warn about uninitialized automatic variables