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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-19 00:47:55 +0000 |
commit | 26a029d407be480d791972afb5975cf62c9360a6 (patch) | |
tree | f435a8308119effd964b339f76abb83a57c29483 /security/nss/lib/freebl/blname.c | |
parent | Initial commit. (diff) | |
download | firefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz firefox-26a029d407be480d791972afb5975cf62c9360a6.zip |
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'security/nss/lib/freebl/blname.c')
-rw-r--r-- | security/nss/lib/freebl/blname.c | 100 |
1 files changed, 100 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/blname.c b/security/nss/lib/freebl/blname.c new file mode 100644 index 0000000000..4bad74ada0 --- /dev/null +++ b/security/nss/lib/freebl/blname.c @@ -0,0 +1,100 @@ +/* + * blname.c - determine the freebl library name. + * This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +#if defined(FREEBL_LOWHASH) +static const char* default_name = + SHLIB_PREFIX "freeblpriv" SHLIB_VERSION "." SHLIB_SUFFIX; +#else +static const char* default_name = + SHLIB_PREFIX "freebl" SHLIB_VERSION "." SHLIB_SUFFIX; +#endif + +/* getLibName() returns the name of the library to load. */ + +#if defined(SOLARIS) && defined(__sparc) +#include <stddef.h> +#include <strings.h> +#include <sys/systeminfo.h> + +#if defined(NSS_USE_64) + +const static char fpu_hybrid_shared_lib[] = "libfreebl_64fpu_3.so"; +const static char int_hybrid_shared_lib[] = "libfreebl_64int_3.so"; +const static char non_hybrid_shared_lib[] = "libfreebl_64fpu_3.so"; + +const static char int_hybrid_isa[] = "sparcv9"; +const static char fpu_hybrid_isa[] = "sparcv9+vis"; + +#else + +const static char fpu_hybrid_shared_lib[] = "libfreebl_32fpu_3.so"; +const static char int_hybrid_shared_lib[] = "libfreebl_32int64_3.so"; +/* This was for SPARC V8, now obsolete. */ +const static char* const non_hybrid_shared_lib = NULL; + +const static char int_hybrid_isa[] = "sparcv8plus"; +const static char fpu_hybrid_isa[] = "sparcv8plus+vis"; + +#endif + +static const char* +getLibName(void) +{ + char* found_int_hybrid; + char* found_fpu_hybrid; + long buflen; + char buf[256]; + + buflen = sysinfo(SI_ISALIST, buf, sizeof buf); + if (buflen <= 0) + return NULL; + /* sysinfo output is always supposed to be NUL terminated, but ... */ + if (buflen < sizeof buf) + buf[buflen] = '\0'; + else + buf[(sizeof buf) - 1] = '\0'; + /* The ISA list is a space separated string of names of ISAs and + * ISA extensions, in order of decreasing performance. + * There are two different ISAs with which NSS's crypto code can be + * accelerated. If both are in the list, we take the first one. + * If one is in the list, we use it, and if neither then we use + * the base unaccelerated code. + */ + found_int_hybrid = strstr(buf, int_hybrid_isa); + found_fpu_hybrid = strstr(buf, fpu_hybrid_isa); + if (found_fpu_hybrid && + (!found_int_hybrid || + (found_int_hybrid - found_fpu_hybrid) >= 0)) { + return fpu_hybrid_shared_lib; + } + if (found_int_hybrid) { + return int_hybrid_shared_lib; + } + return non_hybrid_shared_lib; +} + +#elif defined(HPUX) && !defined(NSS_USE_64) && !defined(__ia64) +#include <unistd.h> + +/* This code tests to see if we're running on a PA2.x CPU. +** It returns true (1) if so, and false (0) otherwise. +*/ +static const char* +getLibName(void) +{ + long cpu = sysconf(_SC_CPU_VERSION); + return (cpu == CPU_PA_RISC2_0) + ? "libfreebl_32fpu_3.sl" + : "libfreebl_32int_3.sl"; +} +#else +/* default case, for platforms/ABIs that have only one freebl shared lib. */ +static const char* +getLibName(void) +{ + return default_name; +} +#endif |