diff options
Diffstat (limited to 'ace/CDR_Base.cpp')
| -rw-r--r-- | ace/CDR_Base.cpp | 583 |
1 files changed, 0 insertions, 583 deletions
diff --git a/ace/CDR_Base.cpp b/ace/CDR_Base.cpp deleted file mode 100644 index f5e76b0dd5f..00000000000 --- a/ace/CDR_Base.cpp +++ /dev/null @@ -1,583 +0,0 @@ -// -*- C++ -*- -// -// $Id$ - -#include "ace/CDR_Base.h" -#include "ace/Message_Block.h" - -#if !defined (__ACE_INLINE__) -# include "ace/CDR_Base.inl" -#endif /* ! __ACE_INLINE__ */ - -ACE_RCSID(ace, CDR_Base, "$Id$") - - -// -// See comments in CDR_Base.i about optimization cases for swap_XX_array. -// - -void -ACE_CDR::swap_2_array (const char* orig, char* target, size_t n) -{ - // ACE_ASSERT(n > 0); The caller checks that n > 0 - - // Later, we try to read in 32 or 64 bit chunks, - // so make sure we don't do that for unaligned addresses. -#if ACE_SIZEOF_LONG == 8 - const char* const o8 = ACE_ptr_align_binary(orig, 8); - while (orig < o8 && n > 0) - { - ACE_CDR::swap_2 (orig, target); - orig += 2; - target += 2; - --n; - } -#else - const char* const o4 = ACE_ptr_align_binary(orig, 4); - // this is an _if_, not a _while_. The mistmatch can only be by 2. - if (orig != o4) - { - ACE_CDR::swap_2 (orig, target); - orig += 2; - target += 2; - --n; - } -#endif - if (n == 0) - return; - - // - // Loop unrolling. Here be dragons. - // - - // (n & (~3)) is the greatest multiple of 4 not bigger than n. - // In the while loop ahead, orig will move over the array by 8 byte - // increments (4 elements of 2 bytes). - // end marks our barrier for not falling outside. - const char* const end = orig + 2*(n & (~3)); - - // See if we're aligned for writting in 64 or 32 bit chunks... -#if ACE_SIZEOF_LONG == 8 - if (target == ACE_ptr_align_binary(target, 8)) -#else - if (target == ACE_ptr_align_binary(target, 4)) -#endif - { - while (orig < end) - { -#if defined(ACE_HAS_PENTIUM) && defined(__GNUG__) - unsigned int a = - * ACE_reinterpret_cast(const unsigned int*, orig); - unsigned int b = - * ACE_reinterpret_cast(const unsigned int*, orig + 4); - asm( "bswap %1" : "=r" (a) : "0" (a) ); - asm( "bswap %1" : "=r" (b) : "0" (b) ); - asm( "rol $16, %1" : "=r" (a) : "0" (a) ); - asm( "rol $16, %1" : "=r" (b) : "0" (b) ); - * ACE_reinterpret_cast(unsigned int*, target) = a; - * ACE_reinterpret_cast(unsigned int*, target + 4) = b; -#elif defined(ACE_HAS_PENTIUM) \ - && (defined(_MSC_VER) || defined(__BORLANDC__)) \ - && !defined(ACE_LACKS_INLINE_ASSEMBLY) - __asm mov ecx, orig; - __asm mov edx, target; - __asm mov eax, [ecx]; - __asm mov ebx, 4[ecx]; - __asm bswap eax; - __asm bswap ebx; - __asm rol eax, 16; - __asm rol ebx, 16; - __asm mov [edx], eax; - __asm mov 4[edx], ebx; -#elif ACE_SIZEOF_LONG == 8 - // 64 bit architecture. - register unsigned long a = - * ACE_reinterpret_cast(const unsigned long*, orig); - - register unsigned long a1 = (a & 0x00ff00ff00ff00ffUL) << 8; - register unsigned long a2 = (a & 0xff00ff00ff00ff00UL) >> 8; - - a = (a1 | a2); - - * ACE_reinterpret_cast(unsigned long*, target) = a; -#else - register ACE_UINT32 a = - * ACE_reinterpret_cast(const ACE_UINT32*, orig); - register ACE_UINT32 b = - * ACE_reinterpret_cast(const ACE_UINT32*, orig + 4); - - register ACE_UINT32 a1 = (a & 0x00ff00ffU) << 8; - register ACE_UINT32 b1 = (b & 0x00ff00ffU) << 8; - register ACE_UINT32 a2 = (a & 0xff00ff00U) >> 8; - register ACE_UINT32 b2 = (b & 0xff00ff00U) >> 8; - - a = (a1 | a2); - b = (b1 | b2); - - * ACE_reinterpret_cast(ACE_UINT32*, target) = a; - * ACE_reinterpret_cast(ACE_UINT32*, target + 4) = b; -#endif - orig += 8; - target += 8; - } - } - else - { - // We're out of luck. We have to write in 2 byte chunks. - while (orig < end) - { -#if defined(ACE_HAS_PENTIUM) && defined(__GNUG__) - unsigned int a = - * ACE_reinterpret_cast(const unsigned int*, orig); - unsigned int b = - * ACE_reinterpret_cast(const unsigned int*, orig + 4); - asm( "bswap %1" : "=r" (a) : "0" (a) ); - asm( "bswap %1" : "=r" (b) : "0" (b) ); - // We're little endian. - * ACE_reinterpret_cast(unsigned short*, target + 2) - = (unsigned short) (a & 0xffff); - * ACE_reinterpret_cast(unsigned short*, target + 6) - = (unsigned short) (b & 0xffff); - asm( "shrl $16, %1" : "=r" (a) : "0" (a) ); - asm( "shrl $16, %1" : "=r" (b) : "0" (b) ); - * ACE_reinterpret_cast(unsigned short*, target + 0) - = (unsigned short) (a & 0xffff); - * ACE_reinterpret_cast(unsigned short*, target + 4) - = (unsigned short) (b & 0xffff); -#elif defined(ACE_HAS_PENTIUM) \ - && (defined(_MSC_VER) || defined(__BORLANDC__)) \ - && !defined(ACE_LACKS_INLINE_ASSEMBLY) - __asm mov ecx, orig; - __asm mov edx, target; - __asm mov eax, [ecx]; - __asm mov ebx, 4[ecx]; - __asm bswap eax; - __asm bswap ebx; - // We're little endian. - __asm mov 2[edx], ax; - __asm mov 6[edx], bx; - __asm shr eax, 16; - __asm shr ebx, 16; - __asm mov 0[edx], ax; - __asm mov 4[edx], bx; -#elif ACE_SIZEOF_LONG == 8 - // 64 bit architecture. - register unsigned long a = - * ACE_reinterpret_cast(const unsigned long*, orig); - - register unsigned long a1 = (a & 0x00ff00ff00ff00ffUL) << 8; - register unsigned long a2 = (a & 0xff00ff00ff00ff00UL) >> 8; - - a = (a1 | a2); - - ACE_UINT16 b1 = ACE_static_cast(ACE_UINT16, (a >> 48)); - ACE_UINT16 b2 = ACE_static_cast(ACE_UINT16, ((a >> 32) & 0xffff)); - ACE_UINT16 b3 = ACE_static_cast(ACE_UINT16, ((a >> 16) & 0xffff)); - ACE_UINT16 b4 = ACE_static_cast(ACE_UINT16, (a & 0xffff)); - -#if defined(ACE_LITTLE_ENDIAN) - * ACE_reinterpret_cast(ACE_UINT16*, target) = b4; - * ACE_reinterpret_cast(ACE_UINT16*, target + 2) = b3; - * ACE_reinterpret_cast(ACE_UINT16*, target + 4) = b2; - * ACE_reinterpret_cast(ACE_UINT16*, target + 6) = b1; -#else - * ACE_reinterpret_cast(ACE_UINT16*, target) = b1; - * ACE_reinterpret_cast(ACE_UINT16*, target + 2) = b2; - * ACE_reinterpret_cast(ACE_UINT16*, target + 4) = b3; - * ACE_reinterpret_cast(ACE_UINT16*, target + 6) = b4; -#endif -#else - register ACE_UINT32 a = - * ACE_reinterpret_cast(const ACE_UINT32*, orig); - register ACE_UINT32 b = - * ACE_reinterpret_cast(const ACE_UINT32*, orig + 4); - - register ACE_UINT32 a1 = (a & 0x00ff00ff) << 8; - register ACE_UINT32 b1 = (b & 0x00ff00ff) << 8; - register ACE_UINT32 a2 = (a & 0xff00ff00) >> 8; - register ACE_UINT32 b2 = (b & 0xff00ff00) >> 8; - - a = (a1 | a2); - b = (b1 | b2); - - ACE_UINT32 c1 = ACE_static_cast(ACE_UINT16, (a >> 16)); - ACE_UINT32 c2 = ACE_static_cast(ACE_UINT16, (a & 0xffff)); - ACE_UINT32 c3 = ACE_static_cast(ACE_UINT16, (b >> 16)); - ACE_UINT32 c4 = ACE_static_cast(ACE_UINT16, (b & 0xffff)); - -#if defined(ACE_LITTLE_ENDIAN) - * ACE_reinterpret_cast(ACE_UINT16*, target) = c2; - * ACE_reinterpret_cast(ACE_UINT16*, target + 2) = c1; - * ACE_reinterpret_cast(ACE_UINT16*, target + 4) = c4; - * ACE_reinterpret_cast(ACE_UINT16*, target + 6) = c3; -#else - * ACE_reinterpret_cast(ACE_UINT16*, target) = c1; - * ACE_reinterpret_cast(ACE_UINT16*, target + 2) = c2; - * ACE_reinterpret_cast(ACE_UINT16*, target + 4) = c3; - * ACE_reinterpret_cast(ACE_UINT16*, target + 6) = c4; -#endif -#endif - - orig += 8; - target += 8; - } - } - - // (n & 3) == (n % 4). - switch (n&3) { - case 3: - ACE_CDR::swap_2 (orig, target); - orig += 2; - target += 2; - case 2: - ACE_CDR::swap_2 (orig, target); - orig += 2; - target += 2; - case 1: - ACE_CDR::swap_2 (orig, target); - } -} - -void -ACE_CDR::swap_4_array (const char* orig, char* target, size_t n) -{ - // ACE_ASSERT(n > 0); The caller checks that n > 0 - -#if ACE_LONG_SIZE == 8 - // Later, we read from *orig in 64 bit chunks, - // so make sure we don't generate unaligned readings. - const char* const o8 = ACE_ptr_align_binary(orig, 8); - // The mistmatch can only be by 4. - if (orig != o8) - { - ACE_CDR::swap_4 (orig, target); - orig += 4; - target += 4; - --n; - } -#endif - if (n == 0) - return; - - // - // Loop unrolling. Here be dragons. - // - - // (n & (~3)) is the greatest multiple of 4 not bigger than n. - // In the while loop, orig will move over the array by 16 byte - // increments (4 elements of 4 bytes). - // ends marks our barrier for not falling outside. - const char* const end = orig + 4*(n & (~3)); - -#if ACE_LONG_SIZE == 8 - // 64 bits architecture. - // See if we can write in 8 byte chunks. - if (target == ACE_ptr_align_binary(target, 8)) - { - while (orig < end) - { - register unsigned long a = - * ACE_reinterpret_cast(const long*, orig); - register unsigned long b = - * ACE_reinterpret_cast(const long*, orig + 8); - - register unsigned long a84 = (a & 0x000000ff000000ffL) << 24; - register unsigned long b84 = (b & 0x000000ff000000ffL) << 24; - register unsigned long a73 = (a & 0x0000ff000000ff00L) << 8; - register unsigned long b73 = (b & 0x0000ff000000ff00L) << 8; - register unsigned long a62 = (a & 0x00ff000000ff0000L) >> 8; - register unsigned long b62 = (b & 0x00ff000000ff0000L) >> 8; - register unsigned long a51 = (a & 0xff000000ff000000L) >> 24; - register unsigned long b51 = (b & 0xff000000ff000000L) >> 24; - - a = (a84 | a73 | a62 | a51); - b = (b84 | b73 | b62 | b51); - - * ACE_reinterpret_cast(long*, target) = a; - * ACE_reinterpret_cast(long*, target + 8) = b; - - orig += 16; - target += 16; - } - } - else - { - // We are out of luck, we have to write in 4 byte chunks. - while (orig < end) - { - register unsigned long a = - * ACE_reinterpret_cast(const long*, orig); - register unsigned long b = - * ACE_reinterpret_cast(const long*, orig + 8); - - register unsigned long a84 = (a & 0x000000ff000000ffL) << 24; - register unsigned long b84 = (b & 0x000000ff000000ffL) << 24; - register unsigned long a73 = (a & 0x0000ff000000ff00L) << 8; - register unsigned long b73 = (b & 0x0000ff000000ff00L) << 8; - register unsigned long a62 = (a & 0x00ff000000ff0000L) >> 8; - register unsigned long b62 = (b & 0x00ff000000ff0000L) >> 8; - register unsigned long a51 = (a & 0xff000000ff000000L) >> 24; - register unsigned long b51 = (b & 0xff000000ff000000L) >> 24; - - a = (a84 | a73 | a62 | a51); - b = (b84 | b73 | b62 | b51); - - ACE_UINT32 c1 = ACE_static_cast(ACE_UINT32, (a >> 32)); - ACE_UINT32 c2 = ACE_static_cast(ACE_UINT32, (a & 0xffffffff)); - ACE_UINT32 c3 = ACE_static_cast(ACE_UINT32, (b >> 32)); - ACE_UINT32 c4 = ACE_static_cast(ACE_UINT32, (b & 0xffffffff)); - -#if defined(ACE_LITTLE_ENDIAN) - * ACE_reinterpret_cast(ACE_UINT32*, target + 0) = c2; - * ACE_reinterpret_cast(ACE_UINT32*, target + 4) = c1; - * ACE_reinterpret_cast(ACE_UINT32*, target + 8) = c4; - * ACE_reinterpret_cast(ACE_UINT32*, target + 12) = c3; -#else - * ACE_reinterpret_cast(ACE_UINT32*, target + 0) = c1; - * ACE_reinterpret_cast(ACE_UINT32*, target + 4) = c2; - * ACE_reinterpret_cast(ACE_UINT32*, target + 8) = c3; - * ACE_reinterpret_cast(ACE_UINT32*, target + 12) = c4; -#endif - orig += 16; - target += 16; - } - } - -#else /* ACE_LONG_SIZE != 8 */ - - while (orig < end) - { -#if defined(ACE_HAS_PENTIUM) && defined(__GNUG__) - register unsigned int a = - *ACE_reinterpret_cast(const unsigned int*, orig); - register unsigned int b = - *ACE_reinterpret_cast(const unsigned int*, orig + 4); - register unsigned int c = - *ACE_reinterpret_cast(const unsigned int*, orig + 8); - register unsigned int d = - *ACE_reinterpret_cast(const unsigned int*, orig + 12); - - asm ("bswap %1" : "=r" (a) : "0" (a)); - asm ("bswap %1" : "=r" (b) : "0" (b)); - asm ("bswap %1" : "=r" (c) : "0" (c)); - asm ("bswap %1" : "=r" (d) : "0" (d)); - - *ACE_reinterpret_cast(unsigned int*, target) = a; - *ACE_reinterpret_cast(unsigned int*, target + 4) = b; - *ACE_reinterpret_cast(unsigned int*, target + 8) = c; - *ACE_reinterpret_cast(unsigned int*, target + 12) = d; -#elif defined(ACE_HAS_PENTIUM) \ - && (defined(_MSC_VER) || defined(__BORLANDC__)) \ - && !defined(ACE_LACKS_INLINE_ASSEMBLY) - __asm mov eax, orig - __asm mov esi, target - __asm mov edx, [eax] - __asm mov ecx, 4[eax] - __asm mov ebx, 8[eax] - __asm mov eax, 12[eax] - __asm bswap edx - __asm bswap ecx - __asm bswap ebx - __asm bswap eax - __asm mov [esi], edx - __asm mov 4[esi], ecx - __asm mov 8[esi], ebx - __asm mov 12[esi], eax -#else - register ACE_UINT32 a = - * ACE_reinterpret_cast(const ACE_UINT32*, orig); - register ACE_UINT32 b = - * ACE_reinterpret_cast(const ACE_UINT32*, orig + 4); - register ACE_UINT32 c = - * ACE_reinterpret_cast(const ACE_UINT32*, orig + 8); - register ACE_UINT32 d = - * ACE_reinterpret_cast(const ACE_UINT32*, orig + 12); - - // Expect the optimizer reordering this A LOT. - // We leave it this way for clarity. - a = (a << 24) | ((a & 0xff00) << 8) | ((a & 0xff0000) >> 8) | (a >> 24); - b = (b << 24) | ((b & 0xff00) << 8) | ((b & 0xff0000) >> 8) | (b >> 24); - c = (c << 24) | ((c & 0xff00) << 8) | ((c & 0xff0000) >> 8) | (c >> 24); - d = (d << 24) | ((d & 0xff00) << 8) | ((d & 0xff0000) >> 8) | (d >> 24); - - * ACE_reinterpret_cast(ACE_UINT32*, target) = a; - * ACE_reinterpret_cast(ACE_UINT32*, target + 4) = b; - * ACE_reinterpret_cast(ACE_UINT32*, target + 8) = c; - * ACE_reinterpret_cast(ACE_UINT32*, target + 12) = d; -#endif - - orig += 16; - target += 16; - } - -#endif /* ACE_LONG_SIZE == 8 */ - - // (n & 3) == (n % 4). - switch (n&3) { - case 3: - ACE_CDR::swap_4 (orig, target); - orig += 4; - target += 4; - case 2: - ACE_CDR::swap_4 (orig, target); - orig += 4; - target += 4; - case 1: - ACE_CDR::swap_4 (orig, target); - } -} - -// -// We don't benefit from unrolling in swap_8_array and swap_16_array -// (swap_8 and swap_16 are big enough). -// -void -ACE_CDR::swap_8_array (const char* orig, char* target, size_t n) -{ - // ACE_ASSERT(n > 0); The caller checks that n > 0 - - const char* const end = orig + 8*n; - while (orig < end) - { - swap_8(orig, target); - orig += 8; - target += 8; - } -} - -void -ACE_CDR::swap_16_array (const char* orig, char* target, size_t n) -{ - // ACE_ASSERT(n > 0); The caller checks that n > 0 - - const char* const end = orig + 16*n; - while (orig < end) - { - swap_16(orig, target); - orig += 16; - target += 16; - } -} - -int -ACE_CDR::grow (ACE_Message_Block *mb, size_t minsize) -{ - size_t newsize = - ACE_CDR::first_size (minsize + ACE_CDR::MAX_ALIGNMENT); - - if (newsize <= mb->size ()) - return 0; - - ACE_Data_Block *db = - mb->data_block ()->clone_nocopy (); - db->size (newsize); - - ACE_Message_Block tmp (db); - ACE_CDR::mb_align (&tmp); - - tmp.copy (mb->rd_ptr (), mb->length()); - mb->data_block (tmp.data_block ()->duplicate ()); - mb->rd_ptr (tmp.rd_ptr ()); - mb->wr_ptr (tmp.wr_ptr ()); - - // Remove the DONT_DELETE flags from mb - mb->clr_self_flags (ACE_Message_Block::DONT_DELETE); - - return 0; -} - -size_t -ACE_CDR::total_length (const ACE_Message_Block* begin, - const ACE_Message_Block* end) -{ - size_t l = 0; - // Compute the total size. - for (const ACE_Message_Block *i = begin; - i != end; - i = i->cont ()) - l += i->length (); - return l; -} - -void -ACE_CDR::consolidate (ACE_Message_Block *dst, - const ACE_Message_Block *src) -{ - if (src == 0) - return; - - size_t newsize = - ACE_CDR::first_size (ACE_CDR::total_length (src, 0) - + ACE_CDR::MAX_ALIGNMENT); - dst->size (newsize); - - // We must copy the contents of <src> into the new buffer, but - // respecting the alignment. - ptr_arith_t srcalign = - ptr_arith_t(src->rd_ptr ()) % ACE_CDR::MAX_ALIGNMENT; - ptr_arith_t dstalign = - ptr_arith_t(dst->rd_ptr ()) % ACE_CDR::MAX_ALIGNMENT; - int offset = srcalign - dstalign; - if (offset < 0) - offset += ACE_CDR::MAX_ALIGNMENT; - dst->rd_ptr (offset); - dst->wr_ptr (dst->rd_ptr ()); - - for (const ACE_Message_Block* i = src; - i != 0; - i = i->cont ()) - { - dst->copy (i->rd_ptr (), i->length ()); - } -} - -#if defined (NONNATIVE_LONGLONG) -int -ACE_CDR::LongLong::operator== (const ACE_CDR::LongLong &rhs) const -{ - return this->h == rhs.h && this->l == rhs.l; -} - -int -ACE_CDR::LongLong::operator!= (const ACE_CDR::LongLong &rhs) const -{ - return this->l != rhs.l || this->h != rhs.h; -} -#endif /* NONNATIVE_LONGLONG */ - -#if defined (NONNATIVE_LONGDOUBLE) -int -ACE_CDR::LongDouble::operator== (const ACE_CDR::LongDouble &rhs) const -{ - return ACE_OS::memcmp (this->ld, rhs.ld, 16) == 0; -} - -int -ACE_CDR::LongDouble::operator!= (const ACE_CDR::LongDouble &rhs) const -{ - return ACE_OS::memcmp (this->ld, rhs.ld, 16) != 0; -} -#endif /* NONNATIVE_LONGDOUBLE */ - -#if defined(_UNICOS) && !defined(_CRAYMPP) -// placeholders to get things compiling -ACE_CDR::Float::Float() -{ -} - -ACE_CDR::Float::Float(const float & init) -{ -} - -ACE_CDR::Float & -ACE_CDR::Float::operator= (const float &rhs) -{ - return *this; -} - -int -ACE_CDR::Float::operator!= (const ACE_CDR::Float &rhs) const -{ - return 0; -} -#endif /* _UNICOS */ |