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664c2d0100
/trunk/config/cc/gcc.in | 7 7 0 0 ++ /trunk/patches/gcc/4.3.2/280-c99-complex-ugly-hack.patch | 8 4 4 0 +- /trunk/patches/gcc/4.3.2/250-sh-pr24836.patch | 16 8 8 0 ++-- /trunk/patches/gcc/4.3.2/340-make-mno-spe-work-as-expected.patch | 43 19 24 0 ++++++-------- /trunk/patches/gcc/4.3.2/130-cross-compile.patch | 20 10 10 0 +++--- 5 files changed, 48 insertions(+), 46 deletions(-)
36 lines
1.4 KiB
Diff
36 lines
1.4 KiB
Diff
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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diff -durN gcc-4.3.1.orig/gcc/builtins.c gcc-4.3.1/gcc/builtins.c
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--- gcc-4.3.1.orig/gcc/builtins.c 2008-04-23 00:36:27.000000000 +0200
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+++ gcc-4.3.1/gcc/builtins.c 2008-06-10 14:56:54.000000000 +0200
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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-4.3.1.orig/gcc/common.opt gcc-4.3.1/gcc/common.opt
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--- gcc-4.3.1.orig/gcc/common.opt 2008-01-22 15:11:44.000000000 +0100
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+++ gcc-4.3.1/gcc/common.opt 2008-06-10 14:56:54.000000000 +0200
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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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