diff options
| author | liuhongt <hongtao.liu@intel.com> | 2024-01-23 14:21:58 +0800 |
|---|---|---|
| committer | liuhongt <hongtao.liu@intel.com> | 2024-01-25 12:42:37 +0800 |
| commit | 73f0a1a70c22e4d117ece7ddfa53661bb74137d4 (patch) | |
| tree | 449a4f0ae8a16f6a587c29851b304a94691fe4f2 | |
| parent | 025b8f5eb71d1b774eb0bd44876093aab853b899 (diff) | |
| download | gcc-73f0a1a70c22e4d117ece7ddfa53661bb74137d4.zip gcc-73f0a1a70c22e4d117ece7ddfa53661bb74137d4.tar.gz gcc-73f0a1a70c22e4d117ece7ddfa53661bb74137d4.tar.bz2 | |
Enable -mlam=u57 by default when compiled with -fsanitize=hwaddress.
gcc/ChangeLog:
* config/i386/i386-options.cc (ix86_option_override_internal):
Enable -mlam=u57 by default when compiled with
-fsanitize=hwaddress.
| -rw-r--r-- | gcc/config/i386/i386-options.cc | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/gcc/config/i386/i386-options.cc b/gcc/config/i386/i386-options.cc index b6f634e..e66a58e 100644 --- a/gcc/config/i386/i386-options.cc +++ b/gcc/config/i386/i386-options.cc @@ -2189,6 +2189,15 @@ ix86_option_override_internal (bool main_args_p, && opts->x_ix86_abi != DEFAULT_ABI) error ("%<-mabi=%s%> not supported with %<-fsanitize=thread%>", abi_name); + /* Hwasan is supported with lam_u57 only. */ + if (opts->x_flag_sanitize & SANITIZE_HWADDRESS) + { + if (ix86_lam_type == lam_u48) + warning (0, "%<-mlam=u48%> is not compatible with Hardware-assisted " + "AddressSanitizer, override to %<-mlam=u57%>"); + ix86_lam_type = lam_u57; + } + /* For targets using ms ABI enable ms-extensions, if not explicit turned off. For non-ms ABI we turn off this option. */ |