diff options
Diffstat (limited to 'main/gcc/09_all_gcc-4.5-Wtrampolines.patch')
-rw-r--r-- | main/gcc/09_all_gcc-4.5-Wtrampolines.patch | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/main/gcc/09_all_gcc-4.5-Wtrampolines.patch b/main/gcc/09_all_gcc-4.5-Wtrampolines.patch deleted file mode 100644 index 9c95c1e940..0000000000 --- a/main/gcc/09_all_gcc-4.5-Wtrampolines.patch +++ /dev/null @@ -1,64 +0,0 @@ -2010-07-15 Magnus Granberg <zorry@gentoo.org> - Kevin F. Quinn <kevquinn@gentoo.org> - - * builtins.c (expand_builtin_init_trampoline): If - -Wtrampolines make a warning. - * common.opt: Add -Wtrampolines. - * doc/invoke.texi: Add -Wtrampolines. - -2010-07-31 Magnus Granberg <zorry@gentoo.org> - - #328451 set -Wtrampolines as default - -http://gcc.gnu.org/viewcvs?view=revision&revision=162205 - ---- a/gcc/builtins.c -+++ b/gcc/builtins.c -@@ -5155,6 +5155,10 @@ expand_builtin_init_trampoline (tree exp) - targetm.calls.trampoline_init (m_tramp, t_func, r_chain); - - trampolines_created = 1; -+ -+ warning_at (DECL_SOURCE_LOCATION (t_func), OPT_Wtrampolines, -+ "trampoline generated for nested function %qD", t_func); -+ - return const0_rtx; - } - ---- a/gcc/common.opt -+++ b/gcc/common.opt -@@ -192,6 +192,10 @@ Wsystem-headers - Common Var(warn_system_headers) Warning - Do not suppress warnings from system headers - -+Wtrampolines -+Common Var(warn_trampolines) Init(1) Warning -+Warn whenever a trampoline is generated -+ - Wtype-limits - Common Var(warn_type_limits) Init(-1) Warning - Warn if a comparison is always true or always false due to the limited range of the data type ---- a/gcc/doc/invoke.texi -+++ b/gcc/doc/invoke.texi -@@ -3611,6 +3611,21 @@ code. However, note that using @option{-Wall} in conjunction with this - option will @emph{not} warn about unknown pragmas in system - headers---for that, @option{-Wunknown-pragmas} must also be used. - -+@item -Wtrampolines -+@opindex Wtrampolines -+@opindex Wno-trampolines -+ Warn about trampolines generated for pointers to nested functions. -+ -+ NOTE: In Gentoo, @option{-Wtrampolines} is set by default. -+ To disable, specify @option{-Wno-trampolines} -+ -+ A trampoline is a small piece of data or code that is created at run -+ time on the stack when the address of a nested function is taken, and -+ is used to call the nested function indirectly. For some targets, it -+ is made up of data only and thus requires no special treatment. But, -+ for most targets, it is made up of code and thus requires the stack -+ to be made executable in order for the program to work properly. -+ - @item -Wfloat-equal - @opindex Wfloat-equal - @opindex Wno-float-equal |