diff options
author | Parménides GV <parmegv@sdf.org> | 2014-04-09 16:03:55 +0200 |
---|---|---|
committer | Parménides GV <parmegv@sdf.org> | 2014-04-09 16:07:34 +0200 |
commit | 1684c8f398922065a97e7da4dac4ac6a33cc5218 (patch) | |
tree | 76a4b11ae0d7b217c088f3c2b8fc7e69a7b8ae0d /app/openssl/crypto/s390xcap.c | |
parent | b9a2b085a8f508cd09e2639c70be845c992c4a3e (diff) |
Back to the standard "app" module.
This return to "app" instead of "bitmask_android" is due to this reading: https://developer.android.com/sdk/installing/studio-build.html#projectStructure
I'll have to tweak the final apk name in build.gradle.
Diffstat (limited to 'app/openssl/crypto/s390xcap.c')
-rw-r--r-- | app/openssl/crypto/s390xcap.c | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/app/openssl/crypto/s390xcap.c b/app/openssl/crypto/s390xcap.c new file mode 100644 index 00000000..ffbe0235 --- /dev/null +++ b/app/openssl/crypto/s390xcap.c @@ -0,0 +1,37 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <setjmp.h> +#include <signal.h> + +extern unsigned long OPENSSL_s390xcap_P; + +static sigjmp_buf ill_jmp; +static void ill_handler (int sig) { siglongjmp(ill_jmp,sig); } + +unsigned long OPENSSL_s390x_facilities(void); + +void OPENSSL_cpuid_setup(void) + { + sigset_t oset; + struct sigaction ill_act,oact; + + if (OPENSSL_s390xcap_P) return; + + memset(&ill_act,0,sizeof(ill_act)); + ill_act.sa_handler = ill_handler; + sigfillset(&ill_act.sa_mask); + sigdelset(&ill_act.sa_mask,SIGILL); + sigdelset(&ill_act.sa_mask,SIGTRAP); + sigprocmask(SIG_SETMASK,&ill_act.sa_mask,&oset); + sigaction (SIGILL,&ill_act,&oact); + + /* protection against missing store-facility-list-extended */ + if (sigsetjmp(ill_jmp,0) == 0) + OPENSSL_s390xcap_P = OPENSSL_s390x_facilities(); + else + OPENSSL_s390xcap_P = 1UL<<63; + + sigaction (SIGILL,&oact,NULL); + sigprocmask(SIG_SETMASK,&oset,NULL); + } |