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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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17
scripts/gcc-plugins/gcc-generate-simple_ipa-pass.h
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@ -73,18 +73,11 @@
#define TODO_FLAGS_FINISH 0
#endif
#if BUILDING_GCC_VERSION >= 4009
namespace {
static const pass_data _PASS_NAME_PASS_DATA = {
#else
static struct simple_ipa_opt_pass _PASS_NAME_PASS = {
.pass = {
#endif
.type = SIMPLE_IPA_PASS,
.name = _PASS_NAME_NAME,
#if BUILDING_GCC_VERSION >= 4008
.optinfo_flags = OPTGROUP_NONE,
#endif
#if BUILDING_GCC_VERSION >= 5000
#elif BUILDING_GCC_VERSION == 4009
.has_gate = _HAS_GATE,
@ -102,12 +95,8 @@ static struct simple_ipa_opt_pass _PASS_NAME_PASS = {
.properties_destroyed = PROPERTIES_DESTROYED,
.todo_flags_start = TODO_FLAGS_START,
.todo_flags_finish = TODO_FLAGS_FINISH,
#if BUILDING_GCC_VERSION < 4009
}
#endif
};
#if BUILDING_GCC_VERSION >= 4009
class _PASS_NAME_PASS : public simple_ipa_opt_pass {
public:
_PASS_NAME_PASS() : simple_ipa_opt_pass(_PASS_NAME_PASS_DATA, g) {}
@ -136,12 +125,6 @@ opt_pass *_MAKE_PASS_NAME_PASS(void)
{
return new _PASS_NAME_PASS();
}
#else
struct opt_pass *_MAKE_PASS_NAME_PASS(void)
{
return &_PASS_NAME_PASS.pass;
}
#endif
/* clean up user provided defines */
#undef PASS_NAME