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comparison src/share/vm/oops/method.cpp @ 7469:0c8717a92b2d

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8001341: SIGSEGV in methodOopDesc::fast_exception_handler_bci_for(KlassHandle,int,Thread*)+0x3e9. Summary: Use methodHandle. Reviewed-by: coleenp, acorn, twisti, sspitsyn
author jiangli
date Tue, 08 Jan 2013 13:01:19 -0500
parents 5505fbbae3d3
children 18c3c3fa291b
comparison
equal deleted inserted replaced
7468:608b2e8a0063 7469:0c8717a92b2d
190 } 190 }
191 191
192 return buf; 192 return buf;
193 } 193 }
194 194
195 int Method::fast_exception_handler_bci_for(KlassHandle ex_klass, int throw_bci, TRAPS) { 195 int Method::fast_exception_handler_bci_for(methodHandle mh, KlassHandle ex_klass, int throw_bci, TRAPS) {
196 // exception table holds quadruple entries of the form (beg_bci, end_bci, handler_bci, klass_index) 196 // exception table holds quadruple entries of the form (beg_bci, end_bci, handler_bci, klass_index)
197 // access exception table 197 // access exception table
198 ExceptionTable table(this); 198 ExceptionTable table(mh());
199 int length = table.length(); 199 int length = table.length();
200 // iterate through all entries sequentially 200 // iterate through all entries sequentially
201 constantPoolHandle pool(THREAD, constants()); 201 constantPoolHandle pool(THREAD, mh->constants());
202 for (int i = 0; i < length; i ++) { 202 for (int i = 0; i < length; i ++) {
203 //reacquire the table in case a GC happened 203 //reacquire the table in case a GC happened
204 ExceptionTable table(this); 204 ExceptionTable table(mh());
205 int beg_bci = table.start_pc(i); 205 int beg_bci = table.start_pc(i);
206 int end_bci = table.end_pc(i); 206 int end_bci = table.end_pc(i);
207 assert(beg_bci <= end_bci, "inconsistent exception table"); 207 assert(beg_bci <= end_bci, "inconsistent exception table");
208 if (beg_bci <= throw_bci && throw_bci < end_bci) { 208 if (beg_bci <= throw_bci && throw_bci < end_bci) {
209 // exception handler bci range covers throw_bci => investigate further 209 // exception handler bci range covers throw_bci => investigate further