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Diffstat (limited to 'INSTALL')
| -rw-r--r-- | INSTALL | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/INSTALL b/INSTALL index accdc39821..de75e72760 100644 --- a/INSTALL +++ b/INSTALL @@ -142,6 +142,20 @@ if 'CFLAGS' is specified it must enable optimization. For example: non-CET processors. '--enable-cet' has been tested for i686, x86_64 and x32 on CET processors. +'--enable-memory-tagging' + Enable memory tagging support if the architecture supports it. + When the GNU C Library is built with this option then the resulting + library will be able to control the use of tagged memory when + hardware support is present by use of the tunable + 'glibc.mem.tagging'. This includes the generation of tagged memory + when using the 'malloc' APIs. + + At present only AArch64 platforms with MTE provide this + functionality, although the library will still operate (without + memory tagging) on older versions of the architecture. + + The default is to disable support for memory tagging. + '--disable-profile' Don't build libraries with profiling information. You may want to use this option if you don't plan to do profiling. |