equal
deleted
inserted
replaced
138 |
138 |
139 if (malloc_base == NULL) { |
139 if (malloc_base == NULL) { |
140 return NULL; |
140 return NULL; |
141 } |
141 } |
142 |
142 |
143 // Check malloc size, size has to <= MAX_MALLOC_SIZE. This is only possible on 32-bit |
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144 // systems, when malloc size >= 1GB, but is is safe to assume it won't happen. |
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145 if (size > MAX_MALLOC_SIZE) { |
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146 fatal("Should not use malloc for big memory block, use virtual memory instead"); |
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147 } |
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148 // Uses placement global new operator to initialize malloc header |
143 // Uses placement global new operator to initialize malloc header |
149 switch(level) { |
144 switch(level) { |
150 case NMT_off: |
145 case NMT_off: |
151 return malloc_base; |
146 return malloc_base; |
152 case NMT_minimal: { |
147 case NMT_minimal: { |
153 MallocHeader* hdr = ::new (malloc_base) MallocHeader(); |
148 MallocHeader* hdr = ::new (malloc_base) MallocHeader(); |
154 break; |
149 break; |
155 } |
150 } |
156 case NMT_summary: { |
151 case NMT_summary: { |
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152 assert(size <= MAX_MALLOC_SIZE, "malloc size overrun for NMT"); |
157 header = ::new (malloc_base) MallocHeader(size, flags); |
153 header = ::new (malloc_base) MallocHeader(size, flags); |
158 break; |
154 break; |
159 } |
155 } |
160 case NMT_detail: { |
156 case NMT_detail: { |
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157 assert(size <= MAX_MALLOC_SIZE, "malloc size overrun for NMT"); |
161 header = ::new (malloc_base) MallocHeader(size, flags, stack); |
158 header = ::new (malloc_base) MallocHeader(size, flags, stack); |
162 break; |
159 break; |
163 } |
160 } |
164 default: |
161 default: |
165 ShouldNotReachHere(); |
162 ShouldNotReachHere(); |