237 // pc_desc_near returns the first PcDesc at or after the given pc.
238 PcDesc* pc_desc_near(address pc) { return find_pc_desc(pc, true); }
239
240 // ScopeDesc for an instruction
241 ScopeDesc* scope_desc_at(address pc);
242 ScopeDesc* scope_desc_near(address pc);
243
244 bool is_at_poll_return(address pc);
245 bool is_at_poll_or_poll_return(address pc);
246
247 bool is_marked_for_deoptimization() const { return _mark_for_deoptimization_status != not_marked; }
248 void mark_for_deoptimization(bool inc_recompile_counts = true);
249
250 bool update_recompile_counts() const {
251 // Update recompile counts when either the update is explicitly requested (deoptimize)
252 // or the nmethod is not marked for deoptimization at all (not_marked).
253 // The latter happens during uncommon traps when deoptimized nmethod is made not entrant.
254 return _mark_for_deoptimization_status != deoptimize_noupdate;
255 }
256
257 static bool nmethod_access_is_safe(nmethod* nm);
258
259 // tells whether frames described by this nmethod can be deoptimized
260 // note: native wrappers cannot be deoptimized.
261 bool can_be_deoptimized() const { return is_java_method(); }
262
263 virtual oop oop_at(int index) const = 0;
264 virtual Metadata* metadata_at(int index) const = 0;
265
266 address scopes_data_begin() const { return _scopes_data_begin; }
267 virtual address scopes_data_end() const = 0;
268 int scopes_data_size() const { return scopes_data_end() - scopes_data_begin(); }
269
270 virtual PcDesc* scopes_pcs_begin() const = 0;
271 virtual PcDesc* scopes_pcs_end() const = 0;
272 int scopes_pcs_size() const { return (intptr_t) scopes_pcs_end() - (intptr_t) scopes_pcs_begin(); }
273
274 address insts_begin() const { return code_begin(); }
275 address insts_end() const { return stub_begin(); }
276 // Returns true if a given address is in the 'insts' section. The method
277 // insts_contains_inclusive() is end-inclusive.
278 bool insts_contains(address addr) const { return insts_begin() <= addr && addr < insts_end(); }
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237 // pc_desc_near returns the first PcDesc at or after the given pc.
238 PcDesc* pc_desc_near(address pc) { return find_pc_desc(pc, true); }
239
240 // ScopeDesc for an instruction
241 ScopeDesc* scope_desc_at(address pc);
242 ScopeDesc* scope_desc_near(address pc);
243
244 bool is_at_poll_return(address pc);
245 bool is_at_poll_or_poll_return(address pc);
246
247 bool is_marked_for_deoptimization() const { return _mark_for_deoptimization_status != not_marked; }
248 void mark_for_deoptimization(bool inc_recompile_counts = true);
249
250 bool update_recompile_counts() const {
251 // Update recompile counts when either the update is explicitly requested (deoptimize)
252 // or the nmethod is not marked for deoptimization at all (not_marked).
253 // The latter happens during uncommon traps when deoptimized nmethod is made not entrant.
254 return _mark_for_deoptimization_status != deoptimize_noupdate;
255 }
256
257 // tells whether frames described by this nmethod can be deoptimized
258 // note: native wrappers cannot be deoptimized.
259 bool can_be_deoptimized() const { return is_java_method(); }
260
261 virtual oop oop_at(int index) const = 0;
262 virtual Metadata* metadata_at(int index) const = 0;
263
264 address scopes_data_begin() const { return _scopes_data_begin; }
265 virtual address scopes_data_end() const = 0;
266 int scopes_data_size() const { return scopes_data_end() - scopes_data_begin(); }
267
268 virtual PcDesc* scopes_pcs_begin() const = 0;
269 virtual PcDesc* scopes_pcs_end() const = 0;
270 int scopes_pcs_size() const { return (intptr_t) scopes_pcs_end() - (intptr_t) scopes_pcs_begin(); }
271
272 address insts_begin() const { return code_begin(); }
273 address insts_end() const { return stub_begin(); }
274 // Returns true if a given address is in the 'insts' section. The method
275 // insts_contains_inclusive() is end-inclusive.
276 bool insts_contains(address addr) const { return insts_begin() <= addr && addr < insts_end(); }
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