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comparison src/share/vm/utilities/xmlstream.cpp @ 6197:d2a62e0f25eb

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6995781: Native Memory Tracking (Phase 1) 7151532: DCmd for hotspot native memory tracking Summary: Implementation of native memory tracking phase 1, which tracks VM native memory usage, and related DCmd Reviewed-by: acorn, coleenp, fparain
author zgu
date Thu, 28 Jun 2012 17:03:16 -0400
parents 1ac084126285
children da91efe96a93
comparison
equal deleted inserted replaced
6174:74533f63b116 6197:d2a62e0f25eb
41 _text = &_text_init; 41 _text = &_text_init;
42 42
43 #ifdef ASSERT 43 #ifdef ASSERT
44 _element_depth = 0; 44 _element_depth = 0;
45 int init_len = 100; 45 int init_len = 100;
46 char* init_buf = NEW_C_HEAP_ARRAY(char, init_len); 46 char* init_buf = NEW_C_HEAP_ARRAY(char, init_len, mtInternal);
47 _element_close_stack_low = init_buf; 47 _element_close_stack_low = init_buf;
48 _element_close_stack_high = init_buf + init_len; 48 _element_close_stack_high = init_buf + init_len;
49 _element_close_stack_ptr = init_buf + init_len - 1; 49 _element_close_stack_ptr = init_buf + init_len - 1;
50 _element_close_stack_ptr[0] = '\0'; 50 _element_close_stack_ptr[0] = '\0';
51 #endif 51 #endif
56 } 56 }
57 } 57 }
58 58
59 #ifdef ASSERT 59 #ifdef ASSERT
60 xmlStream::~xmlStream() { 60 xmlStream::~xmlStream() {
61 FREE_C_HEAP_ARRAY(char, _element_close_stack_low); 61 FREE_C_HEAP_ARRAY(char, _element_close_stack_low, mtInternal);
62 } 62 }
63 #endif 63 #endif
64 64
65 // Pass the given chars directly to _out. 65 // Pass the given chars directly to _out.
66 void xmlStream::write(const char* s, size_t len) { 66 void xmlStream::write(const char* s, size_t len) {
153 char* push_ptr = old_ptr - (tag_len+1); 153 char* push_ptr = old_ptr - (tag_len+1);
154 if (push_ptr < old_low) { 154 if (push_ptr < old_low) {
155 int old_len = _element_close_stack_high - old_ptr; 155 int old_len = _element_close_stack_high - old_ptr;
156 int new_len = old_len * 2; 156 int new_len = old_len * 2;
157 if (new_len < 100) new_len = 100; 157 if (new_len < 100) new_len = 100;
158 char* new_low = NEW_C_HEAP_ARRAY(char, new_len); 158 char* new_low = NEW_C_HEAP_ARRAY(char, new_len, mtInternal);
159 char* new_high = new_low + new_len; 159 char* new_high = new_low + new_len;
160 char* new_ptr = new_high - old_len; 160 char* new_ptr = new_high - old_len;
161 memcpy(new_ptr, old_ptr, old_len); 161 memcpy(new_ptr, old_ptr, old_len);
162 _element_close_stack_high = new_high; 162 _element_close_stack_high = new_high;
163 _element_close_stack_low = new_low; 163 _element_close_stack_low = new_low;
164 _element_close_stack_ptr = new_ptr; 164 _element_close_stack_ptr = new_ptr;
165 FREE_C_HEAP_ARRAY(char, old_low); 165 FREE_C_HEAP_ARRAY(char, old_low, mtInternal);
166 push_ptr = new_ptr - (tag_len+1); 166 push_ptr = new_ptr - (tag_len+1);
167 } 167 }
168 assert(push_ptr >= _element_close_stack_low, "in range"); 168 assert(push_ptr >= _element_close_stack_low, "in range");
169 memcpy(push_ptr, tag, tag_len); 169 memcpy(push_ptr, tag, tag_len);
170 push_ptr[tag_len] = 0; 170 push_ptr[tag_len] = 0;