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comparison src/share/vm/adlc/output_c.cpp @ 6725:da91efe96a93

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6964458: Reimplement class meta-data storage to use native memory Summary: Remove PermGen, allocate meta-data in metaspace linked to class loaders, rewrite GC walking, rewrite and rename metadata to be C++ classes Reviewed-by: jmasa, stefank, never, coleenp, kvn, brutisso, mgerdin, dholmes, jrose, twisti, roland Contributed-by: jmasa <jon.masamitsu@oracle.com>, stefank <stefan.karlsson@oracle.com>, mgerdin <mikael.gerdin@oracle.com>, never <tom.rodriguez@oracle.com>
author coleenp
date Sat, 01 Sep 2012 13:25:18 -0400
parents db2e64ca2d5a
children 0702f188baeb
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6724:36d1d483d5d6 6725:da91efe96a93
1 /* 1 /*
2 * Copyright (c) 1998, 2011, Oracle and/or its affiliates. All rights reserved. 2 * Copyright (c) 1998, 2012, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 * 4 *
5 * This code is free software; you can redistribute it and/or modify it 5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as 6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. 7 * published by the Free Software Foundation.
1882 bool _doing_emit_d32; 1882 bool _doing_emit_d32;
1883 bool _doing_emit_d16; 1883 bool _doing_emit_d16;
1884 bool _doing_emit_hi; 1884 bool _doing_emit_hi;
1885 bool _doing_emit_lo; 1885 bool _doing_emit_lo;
1886 bool _may_reloc; 1886 bool _may_reloc;
1887 bool _must_reloc;
1888 reloc_format _reloc_form; 1887 reloc_format _reloc_form;
1889 const char * _reloc_type; 1888 const char * _reloc_type;
1890 bool _processing_noninput; 1889 bool _processing_noninput;
1891 1890
1892 NameList _strings_to_emit; 1891 NameList _strings_to_emit;
1921 _doing_emit_d32= false; 1920 _doing_emit_d32= false;
1922 _doing_emit_d16= false; 1921 _doing_emit_d16= false;
1923 _doing_emit_hi = false; 1922 _doing_emit_hi = false;
1924 _doing_emit_lo = false; 1923 _doing_emit_lo = false;
1925 _may_reloc = false; 1924 _may_reloc = false;
1926 _must_reloc = false;
1927 _reloc_form = RELOC_NONE; 1925 _reloc_form = RELOC_NONE;
1928 _reloc_type = AdlcVMDeps::none_reloc_type(); 1926 _reloc_type = AdlcVMDeps::none_reloc_type();
1929 _strings_to_emit.clear(); 1927 _strings_to_emit.clear();
1930 } 1928 }
1931 1929
2193 fprintf(_fp,"->disp(ra_,this,idx%d), ", _operand_idx); 2191 fprintf(_fp,"->disp(ra_,this,idx%d), ", _operand_idx);
2194 } 2192 }
2195 2193
2196 _reg_status = LITERAL_ACCESSED; 2194 _reg_status = LITERAL_ACCESSED;
2197 emit_rep_var( rep_var ); 2195 emit_rep_var( rep_var );
2198 fprintf(_fp,"->disp_is_oop())"); 2196 fprintf(_fp,"->disp_reloc())");
2199 2197
2200 // skip trailing $Address 2198 // skip trailing $Address
2201 _strings_to_emit.iter(); 2199 _strings_to_emit.iter();
2202 } else { 2200 } else {
2203 // A replacement variable, '$' prefix 2201 // A replacement variable, '$' prefix
2230 fprintf(_fp, "%s", type) 2228 fprintf(_fp, "%s", type)
2231 ; 2229 ;
2232 } 2230 }
2233 2231
2234 2232
2235 void gen_emit_x_reloc(const char *d32_lo_hi ) {
2236 fprintf(_fp,"emit_%s_reloc(cbuf, ", d32_lo_hi );
2237 emit_replacement(); fprintf(_fp,", ");
2238 emit_reloc_type( _reloc_type ); fprintf(_fp,", ");
2239 fprintf(_fp, "%d", _reloc_form);fprintf(_fp, ");");
2240 }
2241
2242
2243 void emit() { 2233 void emit() {
2244 // 2234 //
2245 // "emit_d32_reloc(" or "emit_hi_reloc" or "emit_lo_reloc" 2235 // "emit_d32_reloc(" or "emit_hi_reloc" or "emit_lo_reloc"
2246 // 2236 //
2247 // Emit the function name when generating an emit function 2237 // Emit the function name when generating an emit function
2252 if ( ! _may_reloc ) { 2242 if ( ! _may_reloc ) {
2253 // Definitely don't need relocation information 2243 // Definitely don't need relocation information
2254 fprintf( _fp, "emit_%s(cbuf, ", d32_hi_lo ); 2244 fprintf( _fp, "emit_%s(cbuf, ", d32_hi_lo );
2255 emit_replacement(); fprintf(_fp, ")"); 2245 emit_replacement(); fprintf(_fp, ")");
2256 } 2246 }
2257 else if ( _must_reloc ) {
2258 // Must emit relocation information
2259 gen_emit_x_reloc( d32_hi_lo );
2260 }
2261 else { 2247 else {
2262 // Emit RUNTIME CHECK to see if value needs relocation info 2248 // Emit RUNTIME CHECK to see if value needs relocation info
2263 // If emitting a relocatable address, use 'emit_d32_reloc' 2249 // If emitting a relocatable address, use 'emit_d32_reloc'
2264 const char *disp_constant = _doing_disp ? "disp" : _doing_constant ? "constant" : "INVALID"; 2250 const char *disp_constant = _doing_disp ? "disp" : _doing_constant ? "constant" : "INVALID";
2265 assert( (_doing_disp || _doing_constant) 2251 assert( (_doing_disp || _doing_constant)
2266 && !(_doing_disp && _doing_constant), 2252 && !(_doing_disp && _doing_constant),
2267 "Must be emitting either a displacement or a constant"); 2253 "Must be emitting either a displacement or a constant");
2268 fprintf(_fp,"\n"); 2254 fprintf(_fp,"\n");
2269 fprintf(_fp,"if ( opnd_array(%d)->%s_is_oop() ) {\n", 2255 fprintf(_fp,"if ( opnd_array(%d)->%s_reloc() != relocInfo::none ) {\n",
2270 _operand_idx, disp_constant); 2256 _operand_idx, disp_constant);
2271 fprintf(_fp," "); 2257 fprintf(_fp," ");
2272 gen_emit_x_reloc( d32_hi_lo ); fprintf(_fp,"\n"); 2258 fprintf(_fp,"emit_%s_reloc(cbuf, ", d32_hi_lo );
2259 emit_replacement(); fprintf(_fp,", ");
2260 fprintf(_fp,"opnd_array(%d)->%s_reloc(), ",
2261 _operand_idx, disp_constant);
2262 fprintf(_fp, "%d", _reloc_form);fprintf(_fp, ");");
2263 fprintf(_fp,"\n");
2273 fprintf(_fp,"} else {\n"); 2264 fprintf(_fp,"} else {\n");
2274 fprintf(_fp," emit_%s(cbuf, ", d32_hi_lo); 2265 fprintf(_fp," emit_%s(cbuf, ", d32_hi_lo);
2275 emit_replacement(); fprintf(_fp, ");\n"); fprintf(_fp,"}"); 2266 emit_replacement(); fprintf(_fp, ");\n"); fprintf(_fp,"}");
2276 } 2267 }
2277 } 2268 }