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add ability to set GCName via runtimeconfig. #74831

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merged 3 commits into from
Sep 6, 2022
Merged

add ability to set GCName via runtimeconfig. #74831

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da11dde
add ability to set GCName via runtimeconfig.
mangod9 Aug 30, 2022
5353c28
Update config name.
mangod9 Aug 31, 2022
718745a
Added the GC Name to the gcconfig.h to show up in the GetConfiguratio…
mrsharm Sep 4, 2022
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3 changes: 2 additions & 1 deletion src/coreclr/gc/gcconfig.h
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Original file line number Diff line number Diff line change
Expand Up @@ -135,7 +135,8 @@ class GCConfigStringHolder
INT_CONFIG (GCHeapHardLimitPOHPercent, "GCHeapHardLimitPOHPercent", "System.GC.HeapHardLimitPOHPercent", 0, "Specifies the GC heap POH usage as a percentage of the total memory") \
INT_CONFIG (GCEnabledInstructionSets, "GCEnabledInstructionSets", NULL, -1, "Specifies whether GC can use AVX2 or AVX512F - 0 for neither, 1 for AVX2, 3 for AVX512F")\
INT_CONFIG (GCConserveMem, "GCConserveMemory", "System.GC.ConserveMemory", 0, "Specifies how hard GC should try to conserve memory - values 0-9") \
INT_CONFIG (GCWriteBarrier, "GCWriteBarrier", NULL, 0, "Specifies whether GC should use more precise but slower write barrier")
INT_CONFIG (GCWriteBarrier, "GCWriteBarrier", NULL, 0, "Specifies whether GC should use more precise but slower write barrier") \
STRING_CONFIG(GCName, "GCName", "System.GC.Name", "Specifies the path of the standalone GC implementation.")
// This class is responsible for retreiving configuration information
// for how the GC should operate.
class GCConfig
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6 changes: 3 additions & 3 deletions src/coreclr/vm/gcheaputilities.cpp
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Expand Up @@ -2,6 +2,7 @@
// The .NET Foundation licenses this file to you under the MIT license.

#include "common.h"
#include "configuration.h"
#include "gcheaputilities.h"
#include "gcenv.ee.h"
#include "appdomain.hpp"
Expand Down Expand Up @@ -179,7 +180,7 @@ HMODULE LoadStandaloneGc(LPCWSTR libFileName)
//
// See Documentation/design-docs/standalone-gc-loading.md for details
// on the loading protocol in use here.
HRESULT LoadAndInitializeGC(LPWSTR standaloneGcLocation)
HRESULT LoadAndInitializeGC(LPCWSTR standaloneGcLocation)
{
LIMITED_METHOD_CONTRACT;

Expand Down Expand Up @@ -334,8 +335,7 @@ HRESULT GCHeapUtilities::LoadAndInitialize()
assert(g_gc_load_status == GC_LOAD_STATUS_BEFORE_START);
g_gc_load_status = GC_LOAD_STATUS_START;

LPWSTR standaloneGcLocation = nullptr;
CLRConfig::GetConfigValue(CLRConfig::EXTERNAL_GCName, &standaloneGcLocation);
LPCWSTR standaloneGcLocation = Configuration::GetKnobStringValue(W("System.GC.Name"), CLRConfig::EXTERNAL_GCName);
if (!standaloneGcLocation)
{
return InitializeDefaultGC();
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