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Add branch protection to aarch64 targets

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This commit is contained in:
Jeremiah Gowdy 2022-06-15 10:31:15 -07:00 committed by Nobuyoshi Nakada
parent 2c19086323
commit f3b54d5fc2
Notes: git 2022-06-17 11:58:32 +09:00 
Merged: https://github.com/ruby/ruby/pull/6025
1 changed files with 14 additions and 0 deletions
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14
configure.ac
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@ -780,6 +780,20 @@ AS_IF([test "$GCC" = yes], [
RUBY_APPEND_OPTION(LDFLAGS, $stack_protector)
])
# aarch64 branch protection
AS_CASE(["$target_cpu"], [aarch64], [
branch_protection=no
RUBY_TRY_CFLAGS(-mbranch-protection=pac-ret,[branch_protection=yes])
AS_IF([test "x$branch_protection" = xyes], [
RUBY_APPEND_OPTION(XCFLAGS, -mbranch-protection=pac-ret)
],
[
RUBY_TRY_CFLAGS(-msign-return-address=all, [
RUBY_APPEND_OPTION(XCFLAGS, -msign-return-address=all)
])
])
])
AS_CASE("${compress_debug_sections:-zlib}",
[none|no], [], [
RUBY_TRY_LDFLAGS(${linker_flag}--compress-debug-sections=${compress_debug_sections:-zlib},