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| -rw-r--r-- | lldb/examples/darwin/heap_find/heap_find.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/lldb/examples/darwin/heap_find/heap_find.c b/lldb/examples/darwin/heap_find/heap_find.c index 1ea4590af5b..ae1424f0af7 100644 --- a/lldb/examples/darwin/heap_find/heap_find.c +++ b/lldb/examples/darwin/heap_find/heap_find.c @@ -1,3 +1,36 @@ +//===-- head_find.c ---------------------------------------------*- C++ -*-===// +// +// The LLVM Compiler Infrastructure +// +// This file is distributed under the University of Illinois Open Source +// License. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// +// +// This file compiles into a dylib and can be used on darwin to find data that +// is contained in active malloc blocks. To use this make the project, then +// load the shared library in a debug session while you are stopped: +// +// (lldb) process load /path/to/libheap.dylib +// +// Now you can use the "find_pointer_in_heap" and "find_cstring_in_heap" +// functions in the expression parser. +// +// This will grep everything in all active allocation blocks and print and +// malloc blocks that contain the pointer 0x112233000000: +// +// (lldb) expression find_pointer_in_heap (0x112233000000) +// +// This will grep everything in all active allocation blocks and print and +// malloc blocks that contain the C string "hello" (as a substring, no +// NULL termination included): +// +// (lldb) expression find_cstring_in_heap ("hello") +// +// The results will be printed to the STDOUT of the inferior program. +// +//===----------------------------------------------------------------------===// + #include <assert.h> #include <ctype.h> #include <mach/mach.h> |
