diff options
Diffstat (limited to 'src/crypto/slow-hash.c')
| -rw-r--r-- | src/crypto/slow-hash.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/src/crypto/slow-hash.c b/src/crypto/slow-hash.c index 14fa0f468..7f36c9dc3 100644 --- a/src/crypto/slow-hash.c +++ b/src/crypto/slow-hash.c @@ -1,4 +1,4 @@ -// Copyright (c) 2014-2018, The Monero Project +// Copyright (c) 2014-2019, The Monero Project // // All rights reserved. // @@ -76,7 +76,7 @@ static inline int use_v4_jit(void) const char *env = getenv("MONERO_USE_CNV4_JIT"); if (!env) { - use_v4_jit_flag = 0; + use_v4_jit_flag = 1; } else if (!strcmp(env, "0") || !strcmp(env, "no")) { use_v4_jit_flag = 0; @@ -756,10 +756,10 @@ void slow_hash_allocate_state(void) #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || \ defined(__DragonFly__) || defined(__NetBSD__) hp_state = mmap(0, MEMORY, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANON, 0, 0); + MAP_PRIVATE | MAP_ANON, -1, 0); #else hp_state = mmap(0, MEMORY, PROT_READ | PROT_WRITE, - MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, 0, 0); + MAP_PRIVATE | MAP_ANONYMOUS | MAP_HUGETLB, -1, 0); #endif if(hp_state == MAP_FAILED) hp_state = NULL; @@ -778,11 +778,16 @@ void slow_hash_allocate_state(void) #else #if defined(__APPLE__) || defined(__FreeBSD__) || defined(__OpenBSD__) || \ defined(__DragonFly__) || defined(__NetBSD__) - hp_jitfunc_memory = mmap(0, 4096 + 4095, PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_PRIVATE | MAP_ANON, 0, 0); +#ifdef __NetBSD__ +#define RESERVED_FLAGS PROT_MPROTECT(PROT_EXEC) #else - hp_jitfunc_memory = mmap(0, 4096 + 4095, PROT_READ | PROT_WRITE | PROT_EXEC, - MAP_PRIVATE | MAP_ANONYMOUS, 0, 0); +#define RESERVED_FLAGS 0 +#endif + hp_jitfunc_memory = mmap(0, 4096 + 4096, PROT_READ | PROT_WRITE | RESERVED_FLAGS, + MAP_PRIVATE | MAP_ANON, -1, 0); +#else + hp_jitfunc_memory = mmap(0, 4096 + 4096, PROT_READ | PROT_WRITE | PROT_EXEC, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); #endif if(hp_jitfunc_memory == MAP_FAILED) hp_jitfunc_memory = NULL; @@ -794,9 +799,6 @@ void slow_hash_allocate_state(void) hp_jitfunc_memory = malloc(4096 + 4095); } hp_jitfunc = (v4_random_math_JIT_func)((size_t)(hp_jitfunc_memory + 4095) & ~4095); -#if !(defined(_MSC_VER) || defined(__MINGW32__)) - mprotect(hp_jitfunc, 4096, PROT_READ | PROT_WRITE | PROT_EXEC); -#endif } /** |