diff options
Diffstat (limited to 'bridges')
| -rw-r--r-- | bridges/source/cpp_uno/gcc3_macosx_x86-64/callvirtualmethod.cxx | 45 |
1 files changed, 29 insertions, 16 deletions
diff --git a/bridges/source/cpp_uno/gcc3_macosx_x86-64/callvirtualmethod.cxx b/bridges/source/cpp_uno/gcc3_macosx_x86-64/callvirtualmethod.cxx index d4d51600faad..47f383a6e885 100644 --- a/bridges/source/cpp_uno/gcc3_macosx_x86-64/callvirtualmethod.cxx +++ b/bridges/source/cpp_uno/gcc3_macosx_x86-64/callvirtualmethod.cxx @@ -54,6 +54,8 @@ void CPPU_CURRENT_NAMESPACE::callVirtualMethod( // than available" error: struct Data { sal_uInt64 pMethod; + sal_uInt64 * pStack; + sal_uInt32 nStack; sal_uInt64 * pGPR; double * pFPR; // Return values: @@ -62,6 +64,8 @@ void CPPU_CURRENT_NAMESPACE::callVirtualMethod( double xmm0; double xmm1; } data; + data.pStack = pStack; + data.nStack = nStack; data.pGPR = pGPR; data.pFPR = pFPR; @@ -70,19 +74,25 @@ void CPPU_CURRENT_NAMESPACE::callVirtualMethod( pMethod += 8 * nVtableIndex; data.pMethod = *reinterpret_cast<sal_uInt64 *>(pMethod); - // Load parameters to stack, if necessary - if ( nStack ) - { - // 16-bytes aligned - sal_uInt32 nStackBytes = ( ( nStack + 1 ) >> 1 ) * 16; - sal_uInt64 *pCallStack = static_cast<sal_uInt64 *>(__builtin_alloca( nStackBytes )); - std::memcpy( pCallStack, pStack, nStackBytes ); - } - asm volatile ( + // Push arguments to stack + "movq %%rsp, %%r12\n\t" + "movl 16%0, %%ecx\n\t" + "jrcxz Lpushed\n\t" + "xor %%rax, %%rax\n\t" + "leaq (%%rax, %%rcx, 8), %%rax\n\t" + "subq %%rax, %%rsp\n\t" + "andq $-9, %%rsp\n\t" // 16-bytes aligned + "movq 8%0, %%rsi\n\t" + "\nLpush:\n\t" + "decq %%rcx\n\t" + "movq (%%rsi, %%rcx, 8), %%rax\n\t" + "movq %%rax, (%%rsp, %%rcx, 8)\n\t" + "jnz Lpush\n\t" + "\nLpushed:\n\t" // Fill the xmm registers - "movq 16%0, %%rax\n\t" + "movq 32%0, %%rax\n\t" "movsd (%%rax), %%xmm0\n\t" "movsd 8(%%rax), %%xmm1\n\t" @@ -94,7 +104,7 @@ void CPPU_CURRENT_NAMESPACE::callVirtualMethod( "movsd 56(%%rax), %%xmm7\n\t" // Fill the general purpose registers - "movq 8%0, %%rax\n\t" + "movq 24%0, %%rax\n\t" "movq (%%rax), %%rdi\n\t" "movq 8(%%rax), %%rsi\n\t" @@ -108,12 +118,15 @@ void CPPU_CURRENT_NAMESPACE::callVirtualMethod( "call *%%r11\n\t" // Fill the return values - "movq %%rax, 24%0\n\t" - "movq %%rdx, 32%0\n\t" - "movsd %%xmm0, 40%0\n\t" - "movsd %%xmm1, 48%0\n\t" + "movq %%rax, 40%0\n\t" + "movq %%rdx, 48%0\n\t" + "movsd %%xmm0, 56%0\n\t" + "movsd %%xmm1, 64%0\n\t" + + // Reset %rsp + "movq %%r12, %%rsp\n\t" :: "o" (data) - : "rax", "rdi", "rsi", "rdx", "rcx", "r8", "r9", "r10", "r11", + : "rax", "rdi", "rsi", "rdx", "rcx", "r8", "r9", "r10", "r11", "r12", "xmm0", "xmm1", "xmm2", "xmm3", "xmm4", "xmm5", "xmm6", "xmm7", "xmm8", "xmm9", "xmm10", "xmm11", "xmm12", "xmm13", "xmm14", "xmm15", "memory" |