patches/gcc/4.4.4/110-trampolinewarn.patch
author "Yann E. MORIN" <yann.morin.1998@free.fr>
Thu Nov 22 19:43:26 2012 +0100 (2012-11-22)
branch1.17
changeset 3130 8db540910974
parent 1948 d341be24dc68
permissions -rw-r--r--
scripts/functions: fix debug-shell

Properly catch resuming the build when continuing past the
failed command.

The 'case ;;&' construct is a bash4ism. Get rid of it.

Signed-off-by: "Yann E. MORIN" <yann.morin.1998@free.fr>
(transplanted from 2af20cfd210bac338ec18d774458c84fd585ef07)
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diff -durN gcc-4.4.4.orig/gcc/builtins.c gcc-4.4.4/gcc/builtins.c
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--- gcc-4.4.4.orig/gcc/builtins.c	2010-03-22 16:00:20.000000000 +0100
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+++ gcc-4.4.4/gcc/builtins.c	2010-05-16 19:10:34.000000000 +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-4.4.4.orig/gcc/common.opt gcc-4.4.4/gcc/common.opt
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--- gcc-4.4.4.orig/gcc/common.opt	2009-03-28 18:28:45.000000000 +0100
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+++ gcc-4.4.4/gcc/common.opt	2010-05-16 19:10:34.000000000 +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