equal
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inserted
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223 } |
223 } |
224 |
224 |
225 // Entry frame checks |
225 // Entry frame checks |
226 if (is_entry_frame()) { |
226 if (is_entry_frame()) { |
227 // an entry frame must have a valid fp. |
227 // an entry frame must have a valid fp. |
228 |
228 return fp_safe && is_entry_frame_valid(thread); |
229 if (!fp_safe) { |
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230 return false; |
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231 } |
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232 |
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233 // Validate the JavaCallWrapper an entry frame must have |
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234 |
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235 address jcw = (address)entry_frame_call_wrapper(); |
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236 |
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237 bool jcw_safe = (jcw <= thread->stack_base()) && ( jcw > _FP); |
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238 |
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239 return jcw_safe; |
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240 |
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241 } |
229 } |
242 |
230 |
243 intptr_t* younger_sp = sp(); |
231 intptr_t* younger_sp = sp(); |
244 intptr_t* _SENDER_SP = sender_sp(); // sender is actually just _FP |
232 intptr_t* _SENDER_SP = sender_sp(); // sender is actually just _FP |
245 bool adjusted_stack = is_interpreted_frame(); |
233 bool adjusted_stack = is_interpreted_frame(); |
288 // We should never be able to see an adapter if the current frame is something from code cache |
276 // We should never be able to see an adapter if the current frame is something from code cache |
289 if (sender_blob->is_adapter_blob()) { |
277 if (sender_blob->is_adapter_blob()) { |
290 return false; |
278 return false; |
291 } |
279 } |
292 |
280 |
293 if( sender.is_entry_frame()) { |
281 if (sender.is_entry_frame()) { |
294 // Validate the JavaCallWrapper an entry frame must have |
282 return sender.is_entry_frame_valid(thread); |
295 |
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296 address jcw = (address)sender.entry_frame_call_wrapper(); |
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297 |
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298 bool jcw_safe = (jcw <= thread->stack_base()) && ( jcw > sender_fp); |
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299 |
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300 return jcw_safe; |
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301 } |
283 } |
302 |
284 |
303 // If the frame size is 0 something (or less) is bad because every nmethod has a non-zero frame size |
285 // If the frame size is 0 something (or less) is bad because every nmethod has a non-zero frame size |
304 // because you must allocate window space |
286 // because you must allocate window space |
305 |
287 |