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gcc-plugins: remove code for GCC versions older than 4.9

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Documentation/process/changes.rst says the minimal GCC version is 4.9.
Hence, BUILDING_GCC_VERSION is greater than or equal to 4009.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Signed-off-by: Kees Cook <keescook@chromium.org>
Link: https://lore.kernel.org/r/20201202134929.99883-1-masahiroy@kernel.org
This commit is contained in:
Masahiro Yamada
2020-12-02 22:49:29 +09:00
committed by Kees Cook
parent b650545978
commit af2d22254e
10 changed files with 1 additions and 505 deletions
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12
scripts/gcc-plugins/latent_entropy_plugin.c
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@@ -125,11 +125,7 @@ static tree handle_latent_entropy_attribute(tree *node, tree name,
bool *no_add_attrs)
{
tree type;
#if BUILDING_GCC_VERSION <= 4007
VEC(constructor_elt, gc) *vals;
#else
vec<constructor_elt, va_gc> *vals;
#endif
switch (TREE_CODE(*node)) {
default:
@@ -181,11 +177,7 @@ static tree handle_latent_entropy_attribute(tree *node, tree name,
if (fld)
break;
#if BUILDING_GCC_VERSION <= 4007
vals = VEC_alloc(constructor_elt, gc, nelt);
#else
vec_alloc(vals, nelt);
#endif
for (fld = lst; fld; fld = TREE_CHAIN(fld)) {
tree random_const, fld_t = TREE_TYPE(fld);
@@ -225,11 +217,7 @@ static tree handle_latent_entropy_attribute(tree *node, tree name,
elt_size_int = TREE_INT_CST_LOW(elt_size);
nelt = array_size_int / elt_size_int;
#if BUILDING_GCC_VERSION <= 4007
vals = VEC_alloc(constructor_elt, gc, nelt);
#else
vec_alloc(vals, nelt);
#endif
for (i = 0; i < nelt; i++) {
tree cst = size_int(i);