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comparison src/cpu/sparc/vm/nativeInst_sparc.cpp @ 2375:d673ef06fe96

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7028374: race in fix_oop_relocations for scavengeable nmethods Reviewed-by: kvn
author never
date Fri, 18 Mar 2011 15:52:42 -0700
parents f95d63e2154a
children 1d1603768966
comparison
equal deleted inserted replaced
2370:048f98400b8e 2375:d673ef06fe96
48 48
49 destreg = inv_rd(*(unsigned int *)instaddr); 49 destreg = inv_rd(*(unsigned int *)instaddr);
50 // Generate a the new sequence 50 // Generate a the new sequence
51 _masm->patchable_sethi(x, destreg); 51 _masm->patchable_sethi(x, destreg);
52 ICache::invalidate_range(instaddr, 7 * BytesPerInstWord); 52 ICache::invalidate_range(instaddr, 7 * BytesPerInstWord);
53 }
54
55 void NativeInstruction::verify_data64_sethi(address instaddr, intptr_t x) {
56 ResourceMark rm;
57 unsigned char buffer[10 * BytesPerInstWord];
58 CodeBuffer buf(buffer, 10 * BytesPerInstWord);
59 MacroAssembler masm(&buf);
60
61 Register destreg = inv_rd(*(unsigned int *)instaddr);
62 // Generate the proper sequence into a temporary buffer and compare
63 // it with the original sequence.
64 masm.patchable_sethi(x, destreg);
65 int len = buffer - masm.pc();
66 for (int i = 0; i < len; i++) {
67 assert(instaddr[i] == buffer[i], "instructions must match");
68 }
53 } 69 }
54 70
55 void NativeInstruction::verify() { 71 void NativeInstruction::verify() {
56 // make sure code pattern is actually an instruction address 72 // make sure code pattern is actually an instruction address
57 address addr = addr_at(0); 73 address addr = addr_at(0);