* gnu/packages/patches/openjdk-9-pointer-comparison.patch, gnu/packages/patches/openjdk-9-setsignalhandler.patch: New files. * gnu/local.mk (dist_patch_DATA): Register patches. * gnu/packages/java.scm (openjdk9)[origin]: Use patches.
		
			
				
	
	
		
			27 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
			
		
		
	
	
			27 lines
		
	
	
	
		
			1.5 KiB
		
	
	
	
		
			Diff
		
	
	
	
	
	
The following patch prevents build failures due to comparisons between
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a pointer and an integer. It has been adapted from openjdk@10.
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diff -u -r openjdk-9.alt/hotspot/src/share/vm/memory/virtualspace.cpp openjdk-9/hotspot/src/share/vm/memory/virtualspace.cpp
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--- openjdk-9.alt/hotspot/src/share/vm/memory/virtualspace.cpp	2023-04-05 13:46:58.841965513 +0200
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+++ openjdk-9/hotspot/src/share/vm/memory/virtualspace.cpp	2023-04-05 13:48:43.902387837 +0200
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@@ -581,7 +581,7 @@
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   assert(markOopDesc::encode_pointer_as_mark(&_base[size])->decode_pointer() == &_base[size],
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          "area must be distinguishable from marks for mark-sweep");
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-  if (base() > 0) {
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+  if (base() != NULL) {
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     MemTracker::record_virtual_memory_type((address)base(), mtJavaHeap);
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   }
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 }
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diff -u -r openjdk-9.alt/hotspot/src/share/vm/opto/lcm.cpp openjdk-9/hotspot/src/share/vm/opto/lcm.cpp
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--- openjdk-9.alt/hotspot/src/share/vm/opto/lcm.cpp	2023-04-05 13:46:58.849965545 +0200
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+++ openjdk-9/hotspot/src/share/vm/opto/lcm.cpp	2023-04-05 13:47:53.566187260 +0200
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@@ -39,7 +39,7 @@
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 // Check whether val is not-null-decoded compressed oop,
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 // i.e. will grab into the base of the heap if it represents NULL.
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 static bool accesses_heap_base_zone(Node *val) {
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-  if (Universe::narrow_oop_base() > 0) { // Implies UseCompressedOops.
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+  if (Universe::narrow_oop_base() != NULL) { // Implies UseCompressedOops.
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     if (val && val->is_Mach()) {
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       if (val->as_Mach()->ideal_Opcode() == Op_DecodeN) {
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         // This assumes all Decodes with TypePtr::NotNull are matched to nodes that
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