diff options
Diffstat (limited to 'ld/ldbuildid.c')
| -rw-r--r-- | ld/ldbuildid.c | 48 |
1 files changed, 47 insertions, 1 deletions
diff --git a/ld/ldbuildid.c b/ld/ldbuildid.c index 5ba9e50..2571f1a 100644 --- a/ld/ldbuildid.c +++ b/ld/ldbuildid.c @@ -23,6 +23,10 @@ #include "safe-ctype.h" #include "md5.h" #include "sha1.h" +#ifdef WITH_XXHASH +#define XXH_INLINE_ALL +#include <xxhash.h> +#endif #include "ldbuildid.h" #ifdef __MINGW32__ #include <windows.h> @@ -35,6 +39,9 @@ bool validate_build_id_style (const char *style) { if ((streq (style, "md5")) || (streq (style, "sha1")) +#ifdef WITH_XXHASH + || (streq (style, "xx")) +#endif || (streq (style, "uuid")) || (startswith (style, "0x"))) return true; @@ -47,6 +54,11 @@ compute_build_id_size (const char *style) if (streq (style, "md5") || streq (style, "uuid")) return 128 / 8; +#ifdef WITH_XXHASH + if (streq (style, "xx")) + return 128 / 8; +#endif + if (streq (style, "sha1")) return 160 / 8; @@ -93,6 +105,16 @@ read_hex (const char xdigit) return 0; } + +#ifdef WITH_XXHASH +static void +xx_process_bytes(const void* buffer, size_t size, void* state) +{ + XXH3_128bits_update ((XXH3_state_t*) state, buffer, size); +} +#endif + + bool generate_build_id (bfd *abfd, const char *style, @@ -100,7 +122,31 @@ generate_build_id (bfd *abfd, unsigned char *id_bits, int size ATTRIBUTE_UNUSED) { - if (streq (style, "md5")) +#ifdef WITH_XXHASH + if (streq (style, "xx")) + { + XXH3_state_t* state = XXH3_createState (); + if (!state) + { + return false; + } + XXH3_128bits_reset (state); + if (!(*checksum_contents) (abfd, &xx_process_bytes, state)) + { + XXH3_freeState (state); + return false; + } + XXH128_hash_t result = XXH3_128bits_digest (state); + XXH3_freeState (state); + /* Use canonical-endianness output. */ + XXH128_canonical_t result_canon; + XXH128_canonicalFromHash (&result_canon, result); + memcpy (id_bits, &result_canon, + (size_t) size < sizeof (result) ? (size_t) size : sizeof (result)); + } + else +#endif + if (streq (style, "md5")) { struct md5_ctx ctx; |