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a6552be181
4.3.5 is the latest 4.3 version, and probably the last one. Signed-off-by: "Yann E. MORIN" <yann.morin.1998@anciens.enib.fr>
41 lines
1.5 KiB
Diff
41 lines
1.5 KiB
Diff
Original patch from: ../4.3.2/110-trampolinewarn.patch
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-= BEGIN original header =-
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Original patch from gentoo: gentoo/src/patchsets/gcc/4.3.1/gentoo/00_all_gcc-trampolinewarn.patch
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This trivial patch causes gcc to emit a warning whenever
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it generates a trampoline. These are otherwise hard to
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locate. It is rigged to default ON - to have it default
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to OFF remove the text 'Init(1)' from the common.opt
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patch, leaving just 'Common Var(warn_trampolines)'.
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Kevin F. Quinn <kevquinn@gentoo.org> 17 Jan 2006
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-= END original header =-
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diff -durN gcc-4.3.3.orig/gcc/builtins.c gcc-4.3.3/gcc/builtins.c
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--- gcc-4.3.3.orig/gcc/builtins.c 2008-08-19 18:37:13.000000000 +0200
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+++ gcc-4.3.3/gcc/builtins.c 2009-01-27 22:19:12.000000000 +0100
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@@ -5662,6 +5662,9 @@
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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-4.3.3.orig/gcc/common.opt gcc-4.3.3/gcc/common.opt
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--- gcc-4.3.3.orig/gcc/common.opt 2008-01-22 15:11:44.000000000 +0100
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+++ gcc-4.3.3/gcc/common.opt 2009-01-27 22:19:12.000000000 +0100
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@@ -182,6 +182,10 @@
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Common Var(warn_system_headers) Warning
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Do not suppress warnings from system headers
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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
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