patches/gcc/4.4.4/110-trampolinewarn.patch
author Esben Haabendal <eha@doredevelopment.dk>
Sat Aug 14 23:21:06 2010 +0200 (2010-08-14)
changeset 2085 198c99380191
child 2148 ada9128c98b8
permissions -rw-r--r--
libc/mingw: use pre-set headers dir

There is a variable that contains the headers directory,
so there's no need to re-compute it again.

[Yann E. MORIN: split the original patch]
     1 diff -durN gcc-4.4.0.orig/gcc/builtins.c gcc-4.4.0/gcc/builtins.c
     2 
     3 diff -durN gcc-4.4.4.orig/gcc/builtins.c gcc-4.4.4/gcc/builtins.c
     4 --- gcc-4.4.4.orig/gcc/builtins.c	2010-03-22 16:00:20.000000000 +0100
     5 +++ gcc-4.4.4/gcc/builtins.c	2010-05-16 19:10:34.000000000 +0200
     6 @@ -5783,6 +5783,9 @@
     7    trampolines_created = 1;
     8    INITIALIZE_TRAMPOLINE (r_tramp, r_func, r_chain);
     9  
    10 +  if (warn_trampolines)
    11 +    warning (OPT_Wtrampolines, "generating trampoline in object (requires executable stack)");
    12 +
    13    return const0_rtx;
    14  }
    15  
    16 diff -durN gcc-4.4.4.orig/gcc/common.opt gcc-4.4.4/gcc/common.opt
    17 --- gcc-4.4.4.orig/gcc/common.opt	2009-03-28 18:28:45.000000000 +0100
    18 +++ gcc-4.4.4/gcc/common.opt	2010-05-16 19:10:34.000000000 +0200
    19 @@ -197,6 +197,10 @@
    20  Common Var(warn_type_limits) Init(-1) Warning
    21  Warn if a comparison is always true or always false due to the limited range of the data type
    22  
    23 +Wtrampolines
    24 +Common Var(warn_trampolines) Init(1)
    25 +Warn whenever a trampoline is generated
    26 +
    27  Wuninitialized
    28  Common Var(warn_uninitialized) Warning
    29  Warn about uninitialized automatic variables