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Diffstat (limited to 'deps/v8/tools/gdbinit')
| -rw-r--r-- | deps/v8/tools/gdbinit | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/deps/v8/tools/gdbinit b/deps/v8/tools/gdbinit index c78baa238e..2d7d254ca4 100644 --- a/deps/v8/tools/gdbinit +++ b/deps/v8/tools/gdbinit @@ -123,5 +123,30 @@ Print stack trace with assertion scopes Usage: bta end +# Search for a pointer inside all valid pages. +define space_find + set $space = $arg0 + set $current_page = $space->anchor()->next_page() + while ($current_page != $space->anchor()) + printf "# Searching in %p - %p\n", $current_page->area_start(), $current_page->area_end()-1 + find $current_page->area_start(), $current_page->area_end()-1, $arg1 + set $current_page = $current_page->next_page() + end +end + +define heap_find + set $heap = v8::internal::Isolate::Current()->heap() + printf "# Searching for %p in old_space ===============================\n", $arg0 + space_find $heap->old_space() ($arg0) + printf "# Searching for %p in map_space ===============================\n", $arg0 + space_find $heap->map_space() $arg0 + printf "# Searching for %p in code_space ===============================\n", $arg0 + space_find $heap->code_space() $arg0 +end +document heap_find +Find the location of a given address in V8 pages. +Usage: heap_find address +end + set disassembly-flavor intel set disable-randomization off |