Module: kamailio Branch: master Commit: 2d7aee506c617f2d258719562f8debf2b4ba087e URL: https://github.com/kamailio/kamailio/commit/2d7aee506c617f2d258719562f8debf… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Date: 2021-04-06T08:38:16+02:00 core/mem: removed tlsf_malloc_bits.h - no longer needed after sync with v3.1 --- Removed: src/core/mem/tlsf_malloc_bits.h --- Diff: https://github.com/kamailio/kamailio/commit/2d7aee506c617f2d258719562f8debf… Patch: https://github.com/kamailio/kamailio/commit/2d7aee506c617f2d258719562f8debf… --- diff --git a/src/core/mem/tlsf_malloc_bits.h b/src/core/mem/tlsf_malloc_bits.h deleted file mode 100644 index 29c783d4a4..0000000000 --- a/src/core/mem/tlsf_malloc_bits.h +++ /dev/null @@ -1,119 +0,0 @@ -#ifndef INCLUDED_tlsfbits -#define INCLUDED_tlsfbits - -#if defined(__cplusplus) -#define tlsf_decl inline -#else -#define tlsf_decl static -#endif - -/* -** Architecture-specific bit manipulation routines. -** -** TLSF achieves O(1) cost for malloc and free operations by limiting -** the search for a free block to a free list of guaranteed size -** adequate to fulfill the request, combined with efficient free list -** queries using bitmasks and architecture-specific bit-manipulation -** routines. -** -** Most modern processors provide instructions to count leading zeroes -** in a word, find the lowest and highest set bit, etc. These -** specific implementations will be used when available, falling back -** to a reasonably efficient generic implementation. -** -** NOTE: TLSF spec relies on ffs/fls returning value 0..31. -** ffs/fls return 1-32 by default, returning 0 for error. -*/ - -/* -** Detect whether or not we are building for a 32- or 64-bit (LP/LLP) -** architecture. There is no reliable portable method at compile-time. -*/ -#if defined (__alpha__) || defined (__ia64__) || defined (__x86_64__) \ - || defined (_WIN64) || defined (__LP64__) || defined (__LLP64__) -#define TLSF_64BIT -#endif - -/* -** gcc 3.4 and above have builtin support, specialized for architecture. -** Some compilers masquerade as gcc; patchlevel test filters them out. -** -** Note: clang is compatible with GCC builtins and will also define those macros -*/ -#if defined (__GNUC__) && (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) \ - && defined (__GNUC_PATCHLEVEL__) - -tlsf_decl int tlsf_ffs(unsigned int word) -{ - return __builtin_ffs(word) - 1; -} - -tlsf_decl int tlsf_fls(unsigned int word) -{ - const int bit = word ? 32 - __builtin_clz(word) : 0; - return bit - 1; -} - -#if defined (TLSF_64BIT) -tlsf_decl int tlsf_fls_sizet(size_t size) -{ - const int bit = size ? 64 - __builtin_clzl(size) : 0; - return bit - 1; -} -#endif -#else -/* Fall back to generic implementation. */ - -tlsf_decl int tlsf_fls_generic(unsigned int word) -{ - int bit = 32; - - if (!word) bit -= 1; - if (!(word & 0xffff0000)) { word <<= 16; bit -= 16; } - if (!(word & 0xff000000)) { word <<= 8; bit -= 8; } - if (!(word & 0xf0000000)) { word <<= 4; bit -= 4; } - if (!(word & 0xc0000000)) { word <<= 2; bit -= 2; } - if (!(word & 0x80000000)) { word <<= 1; bit -= 1; } - - return bit; -} - -/* Implement ffs in terms of fls. */ -tlsf_decl int tlsf_ffs(unsigned int word) -{ - return tlsf_fls_generic(word & (~word + 1)) - 1; -} - -tlsf_decl int tlsf_fls(unsigned int word) -{ - return tlsf_fls_generic(word) - 1; -} - -#if defined (TLSF_64BIT) -tlsf_decl int tlsf_fls_sizet(size_t size) -{ - int high = (int)(size >> 32); - int bits = 0; - if (high) - { - bits = 32 + tlsf_fls(high); - } - else - { - bits = tlsf_fls((int)size & 0xffffffff); - - } - return bits; -} -#endif /* defined (TLSF_64BIT) */ - -#endif /* GNUC */ - - -#if !defined (TLSF_64BIT) -#define tlsf_fls_sizet tlsf_fls -#endif - -#undef tlsf_decl - -#endif