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| author | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2020-05-06 20:22:16 +0100 |
|---|---|---|
| committer | Szabolcs Nagy <szabolcs.nagy@arm.com> | 2020-07-08 15:02:37 +0100 |
| commit | 1b0a4f58f5b10cf6d5ad10ee8d81772c5bd29248 (patch) | |
| tree | 1b4e0dcc25815f45d90cc1c2b9def4d42ab9aecc /math/w_j1f_compat.c | |
| parent | dbfefbdc3aeec88868cb9d46267f91dc62461226 (diff) | |
| download | glibc-1b0a4f58f5b10cf6d5ad10ee8d81772c5bd29248.tar.gz glibc-1b0a4f58f5b10cf6d5ad10ee8d81772c5bd29248.tar.xz glibc-1b0a4f58f5b10cf6d5ad10ee8d81772c5bd29248.zip | |
aarch64: configure test for BTI support
Check BTI support in the compiler and linker. The check also requires READELF that understands the BTI GNU property note. It is expected to succeed with gcc >=gcc-9 configured with --enable-standard-branch-protection and binutils >=binutils-2.33. Note: passing -mbranch-protection=bti in CFLAGS when building glibc may not be enough to get a glibc that supports BTI because crtbegin* and crtend* provided by the compiler needs to be BTI compatible too. Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diffstat (limited to 'math/w_j1f_compat.c')
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