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Adding support for overlapping ranges to RangeMap.

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When enabled, adding of a new range that overlaps with an existing one can be a successful operation.  The range which ends at the higher address will be shrunk down by moving its start position to a higher address so that it does not overlap anymore.

This change is required to fix http://crbug/611824.  The actual fix will come in a separate CL.

R=mmandlis@chromium.org

Review URL: https://codereview.chromium.org/2029953003 .
This commit is contained in:
Ivan Penkov
2016-06-05 22:41:10 -07:00
parent 8b7b28663f
commit 240ed57ee1
12 changed files with 598 additions and 89 deletions
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2
src/processor/microdump.cc
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@@ -104,7 +104,7 @@ namespace google_breakpad {
void MicrodumpModules::Add(const CodeModule* module) {
linked_ptr<const CodeModule> module_ptr(module);
if (!map_->StoreRange(module->base_address(), module->size(), module_ptr)) {
if (!map_.StoreRange(module->base_address(), module->size(), module_ptr)) {
BPLOG(ERROR) << "Module " << module->code_file() <<
" could not be stored";
}