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comparison src/os/windows/vm/os_windows.cpp @ 21559:be896a1983c0

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recast all Graal native code as JVMCI code (JBS:GRAAL-53)
author Doug Simon <doug.simon@oracle.com>
date Thu, 28 May 2015 15:36:48 +0200
parents 7848fc12602b
children c28cb37b2e1d
comparison
equal deleted inserted replaced
21558:d563baeca9df 21559:be896a1983c0
2251 #ifdef _M_IA64 2251 #ifdef _M_IA64
2252 assert(0, "Fix Handle_IDiv_Exception"); 2252 assert(0, "Fix Handle_IDiv_Exception");
2253 #elif _M_AMD64 2253 #elif _M_AMD64
2254 PCONTEXT ctx = exceptionInfo->ContextRecord; 2254 PCONTEXT ctx = exceptionInfo->ContextRecord;
2255 address pc = (address)ctx->Rip; 2255 address pc = (address)ctx->Rip;
2256 #ifdef GRAAL 2256 #ifdef JVMCI
2257 assert(pc[0] >= Assembler::REX && pc[0] <= Assembler::REX_WRXB && pc[1] == 0xF7 || pc[0] == 0xF7, "not an idiv opcode"); 2257 assert(pc[0] >= Assembler::REX && pc[0] <= Assembler::REX_WRXB && pc[1] == 0xF7 || pc[0] == 0xF7, "not an idiv opcode");
2258 if (pc[0] == 0xF7) { 2258 if (pc[0] == 0xF7) {
2259 // set correct result values and continue after idiv instruction 2259 // set correct result values and continue after idiv instruction
2260 ctx->Rip = (DWORD64)pc + 2; // idiv reg, reg is 2 bytes 2260 ctx->Rip = (DWORD64)pc + 2; // idiv reg, reg is 2 bytes
2261 } else { 2261 } else {
2269 assert((pc[1] & ~0x7) == 0xF8, "cannot handle non-register operands"); 2269 assert((pc[1] & ~0x7) == 0xF8, "cannot handle non-register operands");
2270 assert(ctx->Rax == min_jint, "unexpected idiv exception"); 2270 assert(ctx->Rax == min_jint, "unexpected idiv exception");
2271 // set correct result values and continue after idiv instruction 2271 // set correct result values and continue after idiv instruction
2272 ctx->Rip = (DWORD)pc + 2; // idiv reg, reg is 2 bytes 2272 ctx->Rip = (DWORD)pc + 2; // idiv reg, reg is 2 bytes
2273 ctx->Rax = (DWORD)min_jint; // result 2273 ctx->Rax = (DWORD)min_jint; // result
2274 #endif // GRAAL 2274 #endif // JVMCI
2275 ctx->Rdx = (DWORD)0; // remainder 2275 ctx->Rdx = (DWORD)0; // remainder
2276 // Continue the execution 2276 // Continue the execution
2277 #else 2277 #else
2278 PCONTEXT ctx = exceptionInfo->ContextRecord; 2278 PCONTEXT ctx = exceptionInfo->ContextRecord;
2279 address pc = (address)ctx->Eip; 2279 address pc = (address)ctx->Eip;