diff options
Diffstat (limited to 'src/3rdparty/pcre2/src/sljit/sljitExecAllocator.c')
| -rw-r--r-- | src/3rdparty/pcre2/src/sljit/sljitExecAllocator.c | 16 |
1 files changed, 12 insertions, 4 deletions
diff --git a/src/3rdparty/pcre2/src/sljit/sljitExecAllocator.c b/src/3rdparty/pcre2/src/sljit/sljitExecAllocator.c index 6e5bf78e45..92d940ddc2 100644 --- a/src/3rdparty/pcre2/src/sljit/sljitExecAllocator.c +++ b/src/3rdparty/pcre2/src/sljit/sljitExecAllocator.c @@ -66,7 +66,7 @@ /* --------------------------------------------------------------------- */ /* 64 KByte. */ -#define CHUNK_SIZE 0x10000 +#define CHUNK_SIZE (sljit_uw)0x10000u /* alloc_chunk / free_chunk : @@ -112,7 +112,7 @@ static SLJIT_INLINE void free_chunk(void *chunk, sljit_uw size) static SLJIT_INLINE int get_map_jit_flag() { - sljit_sw page_size; + size_t page_size; void *ptr; struct utsname name; static int map_jit_flag = -1; @@ -139,8 +139,9 @@ static SLJIT_INLINE int get_map_jit_flag() #endif /* MAP_ANON */ #else /* !SLJIT_CONFIG_X86 */ #if !(defined SLJIT_CONFIG_ARM && SLJIT_CONFIG_ARM) -#error Unsupported architecture +#error "Unsupported architecture" #endif /* SLJIT_CONFIG_ARM */ +#include <AvailabilityMacros.h> #include <pthread.h> #define SLJIT_MAP_JIT (MAP_JIT) @@ -149,7 +150,11 @@ static SLJIT_INLINE int get_map_jit_flag() static SLJIT_INLINE void apple_update_wx_flags(sljit_s32 enable_exec) { +#if MAC_OS_X_VERSION_MIN_REQUIRED >= 110000 pthread_jit_write_protect_np(enable_exec); +#else +#error "Must target Big Sur or newer" +#endif /* BigSur */ } #endif /* SLJIT_CONFIG_X86 */ #else /* !TARGET_OS_OSX */ @@ -187,10 +192,13 @@ static SLJIT_INLINE void* alloc_chunk(sljit_uw size) if (retval == MAP_FAILED) return NULL; +#ifdef __FreeBSD__ + /* HardenedBSD's mmap lies, so check permissions again */ if (mprotect(retval, size, PROT_READ | PROT_WRITE | PROT_EXEC) < 0) { munmap(retval, size); return NULL; } +#endif /* FreeBSD */ SLJIT_UPDATE_WX_FLAGS(retval, (uint8_t *)retval + size, 0); @@ -227,7 +235,7 @@ struct free_block { #define AS_FREE_BLOCK(base, offset) \ ((struct free_block*)(((sljit_u8*)base) + offset)) #define MEM_START(base) ((void*)(((sljit_u8*)base) + sizeof(struct block_header))) -#define ALIGN_SIZE(size) (((size) + sizeof(struct block_header) + 7) & ~7) +#define ALIGN_SIZE(size) (((size) + sizeof(struct block_header) + 7u) & ~(sljit_uw)7) static struct free_block* free_blocks; static sljit_uw allocated_size; |