125
126 bool do_bit(size_t offset);
127 };
128
129 class DumpRegion {
130 private:
131 const char* _name;
132 char* _base;
133 char* _top;
134 char* _end;
135 uintx _max_delta;
136 bool _is_packed;
137 ReservedSpace* _rs;
138 VirtualSpace* _vs;
139
140 void commit_to(char* newtop);
141
142 public:
143 DumpRegion(const char* name, uintx max_delta = 0)
144 : _name(name), _base(NULL), _top(NULL), _end(NULL),
145 _max_delta(max_delta), _is_packed(false) {}
146
147 char* expand_top_to(char* newtop);
148 char* allocate(size_t num_bytes);
149
150 void append_intptr_t(intptr_t n, bool need_to_mark = false);
151
152 char* base() const { return _base; }
153 char* top() const { return _top; }
154 char* end() const { return _end; }
155 size_t reserved() const { return _end - _base; }
156 size_t used() const { return _top - _base; }
157 bool is_packed() const { return _is_packed; }
158 bool is_allocatable() const {
159 return !is_packed() && _base != NULL;
160 }
161
162 void print(size_t total_bytes) const;
163 void print_out_of_space_msg(const char* failing_region, size_t needed_bytes);
164
165 void init(ReservedSpace* rs, VirtualSpace* vs);
166
167 void pack(DumpRegion* next = NULL);
168
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125
126 bool do_bit(size_t offset);
127 };
128
129 class DumpRegion {
130 private:
131 const char* _name;
132 char* _base;
133 char* _top;
134 char* _end;
135 uintx _max_delta;
136 bool _is_packed;
137 ReservedSpace* _rs;
138 VirtualSpace* _vs;
139
140 void commit_to(char* newtop);
141
142 public:
143 DumpRegion(const char* name, uintx max_delta = 0)
144 : _name(name), _base(NULL), _top(NULL), _end(NULL),
145 _max_delta(max_delta), _is_packed(false),
146 _rs(NULL), _vs(NULL) {}
147
148 char* expand_top_to(char* newtop);
149 // Allocate with default alignment (SharedSpaceObjectAlignment)
150 char* allocate(size_t num_bytes);
151 // Allocate with an arbitrary alignment.
152 char* allocate(size_t num_bytes, size_t alignment);
153
154 void append_intptr_t(intptr_t n, bool need_to_mark = false);
155
156 char* base() const { return _base; }
157 char* top() const { return _top; }
158 char* end() const { return _end; }
159 size_t reserved() const { return _end - _base; }
160 size_t used() const { return _top - _base; }
161 bool is_packed() const { return _is_packed; }
162 bool is_allocatable() const {
163 return !is_packed() && _base != NULL;
164 }
165
166 void print(size_t total_bytes) const;
167 void print_out_of_space_msg(const char* failing_region, size_t needed_bytes);
168
169 void init(ReservedSpace* rs, VirtualSpace* vs);
170
171 void pack(DumpRegion* next = NULL);
172
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