Mercurial > hg > graal-compiler
annotate src/cpu/x86/vm/icBuffer_x86.cpp @ 1580:f56e28f22410
6958458: Bump the HS19 build number to 03
Summary: Update the HS19 build number to 03
Reviewed-by: jcoomes
author | trims |
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date | Thu, 03 Jun 2010 18:18:56 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
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0 | 1 /* |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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6941466: Oracle rebranding changes for Hotspot repositories
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6941466: Oracle rebranding changes for Hotspot repositories
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21 * questions. |
0 | 22 * |
23 */ | |
24 | |
25 #include "incls/_precompiled.incl" | |
26 #include "incls/_icBuffer_x86.cpp.incl" | |
27 | |
28 int InlineCacheBuffer::ic_stub_code_size() { | |
29 return NativeMovConstReg::instruction_size + | |
30 NativeJump::instruction_size + | |
31 1; | |
32 // so that code_end can be set in CodeBuffer | |
33 // 64bit 16 = 5 + 10 bytes + 1 byte | |
34 // 32bit 11 = 10 bytes + 1 byte | |
35 } | |
36 | |
37 | |
38 | |
39 void InlineCacheBuffer::assemble_ic_buffer_code(address code_begin, oop cached_oop, address entry_point) { | |
40 ResourceMark rm; | |
41 CodeBuffer code(code_begin, ic_stub_code_size()); | |
42 MacroAssembler* masm = new MacroAssembler(&code); | |
43 // note: even though the code contains an embedded oop, we do not need reloc info | |
44 // because | |
45 // (1) the oop is old (i.e., doesn't matter for scavenges) | |
46 // (2) these ICStubs are removed *before* a GC happens, so the roots disappear | |
47 assert(cached_oop == NULL || cached_oop->is_perm(), "must be perm oop"); | |
48 masm->lea(rax, OopAddress((address) cached_oop)); | |
49 masm->jump(ExternalAddress(entry_point)); | |
50 } | |
51 | |
52 | |
53 address InlineCacheBuffer::ic_buffer_entry_point(address code_begin) { | |
54 NativeMovConstReg* move = nativeMovConstReg_at(code_begin); // creation also verifies the object | |
55 NativeJump* jump = nativeJump_at(move->next_instruction_address()); | |
56 return jump->jump_destination(); | |
57 } | |
58 | |
59 | |
60 oop InlineCacheBuffer::ic_buffer_cached_oop(address code_begin) { | |
61 // creation also verifies the object | |
62 NativeMovConstReg* move = nativeMovConstReg_at(code_begin); | |
63 // Verifies the jump | |
64 NativeJump* jump = nativeJump_at(move->next_instruction_address()); | |
65 return (oop)move->data(); | |
66 } |