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platform_system_core/libunwindstack
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Sim Sun 273d3f08aa Avoid re-mapping dex file that's in local memory. 
If the Dex file we're trying to examine is already within the unwinder's
address space, we don't need to load it from disk or copy it across
processes.

This avoids using up virtual address space to map in dex files, and
also should be a bit faster to read since it won't go out to the file.

Patch by Chris Sarbora

Test: Ran new unit tests.
Test: Ran 137-cfi art test.
Change-Id: I949457856f051cca11b9020e9da3a41bbf6e5c8e
 		2020-04-07 18:07:38 -07:00
..
benchmarks Fix copy / move behaviour of Maps object. 2019-03-05 13:05:36 +00:00
include/unwindstack Avoid re-mapping dex file that's in local memory. 2020-04-07 18:07:38 -07:00
tests Avoid re-mapping dex file that's in local memory. 2020-04-07 18:07:38 -07:00
tools Fix handling of PT_GNU_EH_FRAME. 2019-10-21 19:11:22 -07:00
.clang-format Use the 2 space clang format for libunwindstack. 2017-03-21 10:41:45 -07:00
Android.bp Remove use of static libdexfile to avoid linking in ART internal code. 2020-03-19 22:23:54 +00:00
AndroidVersions.md Add document of changes between Android versions. 2019-10-15 18:33:11 -07:00
ArmExidx.cpp Fix handling of load bias values. 2018-06-11 18:53:55 -07:00
ArmExidx.h Fix handling of load bias values. 2018-06-11 18:53:55 -07:00
AsmGetRegsX86.S Fix wrong mov instruction size. 2018-01-25 11:44:19 -08:00
AsmGetRegsX86_64.S Add full support for initing registers. 2017-07-11 12:15:54 -07:00
Check.h Add error propagation into Unwinder/Elf objects. 2018-01-24 17:50:46 -08:00
DexFile.cpp Avoid re-mapping dex file that's in local memory. 2020-04-07 18:07:38 -07:00
DexFile.h Avoid re-mapping dex file that's in local memory. 2020-04-07 18:07:38 -07:00
DexFiles.cpp Move the dexfile support to implementation. 2019-11-20 14:59:55 -08:00
DwarfCfa.cpp Move DwarfCfaInfo::kTable from data.rel.ro to rodata 2018-12-14 06:03:09 -08:00
DwarfCfa.h Move DwarfCfaInfo::kTable from data.rel.ro to rodata 2018-12-14 06:03:09 -08:00
DwarfDebugFrame.h Fix potential bad info in eh_frame_hdr. 2019-10-29 18:39:30 -07:00
DwarfEhFrame.h Fix potential bad info in eh_frame_hdr. 2019-10-29 18:39:30 -07:00
DwarfEhFrameWithHdr.cpp Fix potential bad info in eh_frame_hdr. 2019-10-29 18:39:30 -07:00
DwarfEhFrameWithHdr.h Fix potential bad info in eh_frame_hdr. 2019-10-29 18:39:30 -07:00
DwarfEncoding.h Make the library usable as a library. 2017-07-14 12:20:23 -07:00
DwarfMemory.cpp Handle when bias is different in elf headers. 2019-10-08 17:36:06 +00:00
DwarfOp.cpp libunwindstack: Move DwarfOp callback table to rodata section 2019-01-24 11:11:15 -08:00
DwarfOp.h libunwindstack: Move DwarfOp callback table to rodata section 2019-01-24 11:11:15 -08:00
DwarfSection.cpp Rewrite DwarfSectionImpl::InsertFde 2020-02-22 11:45:42 -08:00
Elf.cpp Use elf offset in signal step check. 2019-12-04 22:29:59 +00:00
ElfInterface.cpp Fix off-by-one in ReadBuildIDFromMemory. 2020-03-31 10:29:38 -07:00
ElfInterfaceArm.cpp Handle when bias is different in elf headers. 2019-10-08 17:36:06 +00:00
ElfInterfaceArm.h Handle when bias is different in elf headers. 2019-10-08 17:36:06 +00:00
Global.cpp Fix global finding logic. 2020-01-21 18:00:57 -08:00
JitDebug.cpp Internalize subclasses of Memory 2019-06-11 12:09:18 -07:00
LocalUnwinder.cpp Make GetPcAdjustment a free function. 2020-03-19 17:51:20 -07:00
Log.cpp Make the library usable as a library. 2017-07-14 12:20:23 -07:00
MapInfo.cpp Properly handle empty map after read-only map. 2020-01-22 18:30:12 -08:00
Maps.cpp Properly handle empty map after read-only map. 2020-01-22 18:30:12 -08:00
Memory.cpp Fix handling of possible bad gnu_debugdata_size. 2019-12-19 16:48:15 -08:00
MemoryBuffer.h Fix handling of possible bad gnu_debugdata_size. 2019-12-19 16:48:15 -08:00
MemoryCache.h Internalize subclasses of Memory 2019-06-11 12:09:18 -07:00
MemoryFileAtOffset.h Internalize subclasses of Memory 2019-06-11 12:09:18 -07:00
MemoryLocal.h Avoid re-mapping dex file that's in local memory. 2020-04-07 18:07:38 -07:00
MemoryOffline.h Internalize subclasses of Memory 2019-06-11 12:09:18 -07:00
MemoryOfflineBuffer.h Internalize subclasses of Memory 2019-06-11 12:09:18 -07:00
MemoryRange.h Internalize subclasses of Memory 2019-06-11 12:09:18 -07:00
MemoryRemote.h Internalize subclasses of Memory 2019-06-11 12:09:18 -07:00
OWNERS Add OWNERS. 2017-12-07 13:30:03 -08:00
Regs.cpp Make GetPcAdjustment a free function. 2020-03-19 17:51:20 -07:00
RegsArm.cpp Make GetPcAdjustment a free function. 2020-03-19 17:51:20 -07:00
RegsArm64.cpp Make GetPcAdjustment a free function. 2020-03-19 17:51:20 -07:00
RegsInfo.h Fix off by one error. 2018-10-23 18:10:41 +01:00
RegsMips.cpp Make GetPcAdjustment a free function. 2020-03-19 17:51:20 -07:00
RegsMips64.cpp Make GetPcAdjustment a free function. 2020-03-19 17:51:20 -07:00
RegsX86.cpp Make GetPcAdjustment a free function. 2020-03-19 17:51:20 -07:00
RegsX86_64.cpp Make GetPcAdjustment a free function. 2020-03-19 17:51:20 -07:00
Symbols.cpp Add missing includes. 2018-12-06 10:09:20 -08:00
Symbols.h Fix handling of load bias values. 2018-06-11 18:53:55 -07:00
TEST_MAPPING libunwindstack: add simpleperf presumit test. 2020-01-24 11:51:30 -08:00
Unwinder.cpp Move PC-only unwind frame generation to libunwindstack. 2020-03-26 13:39:05 -07:00