diff options
Diffstat (limited to 'security/nss/lib/freebl/verified/karamel/krmllib/dist/minimal/fstar_uint128_struct_endianness.h')
-rw-r--r-- | security/nss/lib/freebl/verified/karamel/krmllib/dist/minimal/fstar_uint128_struct_endianness.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/security/nss/lib/freebl/verified/karamel/krmllib/dist/minimal/fstar_uint128_struct_endianness.h b/security/nss/lib/freebl/verified/karamel/krmllib/dist/minimal/fstar_uint128_struct_endianness.h new file mode 100644 index 0000000000..61fe85c49e --- /dev/null +++ b/security/nss/lib/freebl/verified/karamel/krmllib/dist/minimal/fstar_uint128_struct_endianness.h @@ -0,0 +1,84 @@ +/* Copyright (c) INRIA and Microsoft Corporation. All rights reserved. + Licensed under the Apache 2.0 License. */ + +#ifndef FSTAR_UINT128_STRUCT_ENDIANNESS_H +#define FSTAR_UINT128_STRUCT_ENDIANNESS_H + +/* Hand-written implementation of endianness-related uint128 functions + * for the extracted uint128 implementation */ + +/* Access 64-bit fields within the int128. */ +#define HIGH64_OF(x) ((x)->high) +#define LOW64_OF(x) ((x)->low) + +/* A series of definitions written using pointers. */ + +inline static void +load128_le_(uint8_t *b, uint128_t *r) +{ + LOW64_OF(r) = load64_le(b); + HIGH64_OF(r) = load64_le(b + 8); +} + +inline static void +store128_le_(uint8_t *b, uint128_t *n) +{ + store64_le(b, LOW64_OF(n)); + store64_le(b + 8, HIGH64_OF(n)); +} + +inline static void +load128_be_(uint8_t *b, uint128_t *r) +{ + HIGH64_OF(r) = load64_be(b); + LOW64_OF(r) = load64_be(b + 8); +} + +inline static void +store128_be_(uint8_t *b, uint128_t *n) +{ + store64_be(b, HIGH64_OF(n)); + store64_be(b + 8, LOW64_OF(n)); +} + +#ifndef KRML_NOSTRUCT_PASSING + +inline static uint128_t +load128_le(uint8_t *b) +{ + uint128_t r; + load128_le_(b, &r); + return r; +} + +inline static void +store128_le(uint8_t *b, uint128_t n) +{ + store128_le_(b, &n); +} + +inline static uint128_t +load128_be(uint8_t *b) +{ + uint128_t r; + load128_be_(b, &r); + return r; +} + +inline static void +store128_be(uint8_t *b, uint128_t n) +{ + store128_be_(b, &n); +} + +#else /* !defined(KRML_STRUCT_PASSING) */ + +#define print128 print128_ +#define load128_le load128_le_ +#define store128_le store128_le_ +#define load128_be load128_be_ +#define store128_be store128_be_ + +#endif /* KRML_STRUCT_PASSING */ + +#endif |