Author: aidandodds
Date: Thu Jan 14 09:39:28 2016
New Revision: 257772
URL: http://llvm.org/viewvc/llvm-project?rev=257772&view=rev
Log:
[RenderScript] Hook kernel invocation.
This patch adds a hook to track kernel invocations and to track all script and
allocation objects used.
Modified:
lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h
Modified:
lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp?rev=257772&r1=257771&r2=257772&view=diff
==============================================================================
---
lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
(original)
+++
lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.cpp
Thu Jan 14 09:39:28 2016
@@ -581,28 +581,12 @@ const RenderScriptRuntime::HookDefn Rend
&lldb_private::RenderScriptRuntime::CaptureScriptInit1 // handler
},
{
- "rsdScriptInvokeForEach", // name
-
"_Z22rsdScriptInvokeForEachPKN7android12renderscript7ContextEPNS0_6ScriptEjPKNS0_10AllocationEPS6_PKvjPK12RsScriptCall",
// symbol name 32bit
-
"_Z22rsdScriptInvokeForEachPKN7android12renderscript7ContextEPNS0_6ScriptEjPKNS0_10AllocationEPS6_PKvmPK12RsScriptCall",
// symbol name 64bit
- 0, // version
- RenderScriptRuntime::eModuleKindDriver, // type
- nullptr // handler
- },
- {
"rsdScriptInvokeForEachMulti", // name
"_Z27rsdScriptInvokeForEachMultiPKN7android12renderscript7ContextEPNS0_6ScriptEjPPKNS0_10AllocationEjPS6_PKvjPK12RsScriptCall",
// symbol name 32bit
"_Z27rsdScriptInvokeForEachMultiPKN7android12renderscript7ContextEPNS0_6ScriptEjPPKNS0_10AllocationEmPS6_PKvmPK12RsScriptCall",
// symbol name 64bit
0, // version
RenderScriptRuntime::eModuleKindDriver, // type
- nullptr // handler
- },
- {
- "rsdScriptInvokeFunction", // name
-
"_Z23rsdScriptInvokeFunctionPKN7android12renderscript7ContextEPNS0_6ScriptEjPKvj",
// symbol name 32bit
-
"_Z23rsdScriptInvokeFunctionPKN7android12renderscript7ContextEPNS0_6ScriptEjPKvm",
// symbol name 64bit
- 0, // version
- RenderScriptRuntime::eModuleKindDriver, // type
- nullptr // handler
+ &lldb_private::RenderScriptRuntime::CaptureScriptInvokeForEachMulti //
handler
},
{
"rsdScriptSetGlobalVar", // name
@@ -906,6 +890,119 @@ RenderScriptRuntime::GetArgSimple(Execut
}
void
+RenderScriptRuntime::CaptureScriptInvokeForEachMulti(RuntimeHook* hook_info,
+ ExecutionContext& context)
+{
+ Log* log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_LANGUAGE));
+
+ struct args_t
+ {
+ uint64_t context; // const Context *rsc
+ uint64_t script; // Script *s
+ uint64_t slot; // uint32_t slot
+ uint64_t aIns; // const Allocation **aIns
+ uint64_t inLen; // size_t inLen
+ uint64_t aOut; // Allocation *aout
+ uint64_t usr; // const void *usr
+ uint64_t usrLen; // size_t usrLen
+ uint64_t sc; // const RsScriptCall *sc
+ }
+ args;
+
+ bool success =
+ GetArgSimple(context, 0, &args.context) &&
+ GetArgSimple(context, 1, &args.script) &&
+ GetArgSimple(context, 2, &args.slot) &&
+ GetArgSimple(context, 3, &args.aIns) &&
+ GetArgSimple(context, 4, &args.inLen) &&
+ GetArgSimple(context, 5, &args.aOut) &&
+ GetArgSimple(context, 6, &args.usr) &&
+ GetArgSimple(context, 7, &args.usrLen) &&
+ GetArgSimple(context, 8, &args.sc);
+
+ if (!success)
+ {
+ if (log)
+
log->Printf("RenderScriptRuntime::CaptureScriptInvokeForEachMulti()"
+ " - Error while reading the function parameters");
+ return;
+ }
+
+ const uint32_t target_ptr_size = m_process->GetAddressByteSize();
+ Error error;
+ std::vector<uint64_t> allocs;
+
+ // traverse allocation list
+ for (uint64_t i = 0; i < args.inLen; ++i)
+ {
+ // calculate offest to allocation pointer
+ const lldb::addr_t addr = args.aIns + i * target_ptr_size;
+
+ // Note: due to little endian layout, reading 32bits or 64bits into
res64 will
+ // give the correct results.
+
+ uint64_t res64 = 0;
+ size_t read = m_process->ReadMemory(addr, &res64, target_ptr_size,
error);
+ if (read != target_ptr_size || !error.Success())
+ {
+ if (log)
+
log->Printf("RenderScriptRuntime::CaptureScriptInvokeForEachMulti()"
+ " - Error while reading allocation list argument
%" PRId64, i);
+ }
+ else
+ {
+ allocs.push_back(res64);
+ }
+ }
+
+ // if there is an output allocation track it
+ if (args.aOut)
+ {
+ allocs.push_back(args.aOut);
+ }
+
+ // for all allocations we have found
+ for (const uint64_t alloc_addr : allocs)
+ {
+ AllocationDetails* alloc = LookUpAllocation(alloc_addr, true);
+ if (alloc)
+ {
+ // save the allocation address
+ if (alloc->address.isValid())
+ {
+ // check the allocation address we already have matches
+ assert(*alloc->address.get() == alloc_addr);
+ }
+ else
+ {
+ alloc->address = alloc_addr;
+ }
+
+ // save the context
+ if (log)
+ {
+ if (alloc->context.isValid() && *alloc->context.get() !=
args.context)
+
log->Printf("RenderScriptRuntime::CaptureScriptInvokeForEachMulti"
+ " - Allocation used by multiple contexts");
+ }
+ alloc->context = args.context;
+ }
+ }
+
+ // make sure we track this script object
+ if (lldb_private::RenderScriptRuntime::ScriptDetails * script =
LookUpScript(args.script, true))
+ {
+ if (log)
+ {
+ if (script->context.isValid() && *script->context.get() !=
args.context)
+
log->Printf("RenderScriptRuntime::CaptureScriptInvokeForEachMulti"
+ " - Script used by multiple contexts");
+ }
+ script->context = args.context;
+ }
+}
+
+void
RenderScriptRuntime::CaptureSetGlobalVar1(RuntimeHook* hook_info,
ExecutionContext& context)
{
Log* log(GetLogIfAllCategoriesSet(LIBLLDB_LOG_LANGUAGE));
Modified:
lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h
URL:
http://llvm.org/viewvc/llvm-project/lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h?rev=257772&r1=257771&r2=257772&view=diff
==============================================================================
---
lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h
(original)
+++
lldb/trunk/source/Plugins/LanguageRuntime/RenderScript/RenderScriptRuntime/RenderScriptRuntime.h
Thu Jan 14 09:39:28 2016
@@ -324,6 +324,7 @@ private:
void CaptureAllocationInit1(RuntimeHook* hook_info, ExecutionContext&
context);
void CaptureAllocationDestroy(RuntimeHook* hook_info, ExecutionContext&
context);
void CaptureSetGlobalVar1(RuntimeHook* hook_info, ExecutionContext&
context);
+ void CaptureScriptInvokeForEachMulti(RuntimeHook* hook_info,
ExecutionContext& context);
AllocationDetails* FindAllocByID(Stream &strm, const uint32_t alloc_id);
std::shared_ptr<uint8_t> GetAllocationData(AllocationDetails* allocation,
StackFrame* frame_ptr);
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