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10 Commits

Author SHA1 Message Date
Greg Clayton 15fc2be75b <rdar://problem/13892516> 
LLDB can now debug across calls to exec when the architecture changes from say i386 to x86_64 (on darwin).

llvm-svn: 182345
 2013-05-21 01:00:52 +00:00
Jim Ingham 55d24311f2 If the MemoryCache is asked to look up an address that is in an invalid 
range, it should set the error in the Error passed into the function.

llvm-svn: 181386
 2013-05-08 01:20:53 +00:00
Greg Clayton 7b0992d9cd After discussing with Chris Lattner, we require C++11, so lets get rid of the macros and just use C++11. 
llvm-svn: 179805
 2013-04-18 22:45:39 +00:00
Greg Clayton e01e07b6e7 Since we use C++11, we should switch over to using std::unique_ptr when C++11 is being used. To do this, we follow what we have done for shared pointers and we define a STD_UNIQUE_PTR macro that can be used and it will "do the right thing". Due to some API differences in std::unique_ptr and due to the fact that we need to be able to compile without C++11, we can't use move semantics so some code needed to change so that it can compile with either C++. 
Anyone wanting to use a unique_ptr or auto_ptr should now use the "STD_UNIQUE_PTR(TYPE)" macro.

llvm-svn: 179779
 2013-04-18 18:10:51 +00:00
Greg Clayton 5160ce5c72 <rdar://problem/13521159> 
LLDB is crashing when logging is enabled from lldb-perf-clang. This has to do with the global destructor chain as the process and its threads are being torn down.

All logging channels now make one and only one instance that is kept in a global pointer which is never freed. This guarantees that logging can correctly continue as the process tears itself down.

llvm-svn: 178191
 2013-03-27 23:08:40 +00:00
Daniel Malea d01b2953fa Resolve printf formatting warnings on Linux: 
- use macros from inttypes.h for format strings instead of OS-specific types

Patch from Matt Kopec!

llvm-svn: 168945
 2012-11-29 21:49:15 +00:00
Greg Clayton 43e0af06b4 Stop using the "%z" size_t modifier and cast all size_t values to uint64_t. Some platforms don't support this modification. 
llvm-svn: 164148
 2012-09-18 18:04:04 +00:00
Greg Clayton de0e9d04ad <rdar://problem/11193466> 
Fixed an error where lldb would hang when writing memory near the end of the addres space due to an unsigned overflow.

llvm-svn: 154697
 2012-04-13 20:37:20 +00:00
Greg Clayton a9f40ad80a For stepping performance I added the ability to outlaw all memory accesseses 
to the __PAGEZERO segment on darwin. The dynamic loader now correctly doesn't
slide __PAGEZERO and it also registers it as an invalid region of memory. This
allows us to not make any memory requests from the local or remote debug session
for any addresses in this region. Stepping performance can improve when uninitialized
local variables that point to locations in __PAGEZERO are attempted to be read 
from memory as we won't even make the memory read or write request.

llvm-svn: 151128
 2012-02-22 04:37:26 +00:00
Greg Clayton d495c5340d Added an allocated memory cache to avoid having to allocate memory over and 
over when running JITed expressions. The allocated memory cache will cache 
allocate memory a page at a time for each permission combination and divvy up
the memory and hand it out in 16 byte increments. 

llvm-svn: 131453
 2011-05-17 03:37:42 +00:00