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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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4
scripts/gcc-plugins/stackleak_plugin.c
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@ -80,10 +80,8 @@ static bool is_alloca(gimple stmt)
if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA))
return true;
#if BUILDING_GCC_VERSION >= 4007
if (gimple_call_builtin_p(stmt, BUILT_IN_ALLOCA_WITH_ALIGN))
return true;
#endif
return false;
}
@ -322,7 +320,7 @@ static void remove_stack_tracking_gcall(void)
/* Delete the stackleak_track_stack() call */
delete_insn_and_edges(insn);
#if BUILDING_GCC_VERSION >= 4007 && BUILDING_GCC_VERSION < 8000
#if BUILDING_GCC_VERSION < 8000
if (GET_CODE(next) == NOTE &&
NOTE_KIND(next) == NOTE_INSN_CALL_ARG_LOCATION) {
insn = next;