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8282191: Implementation of Foreign Function & Memory API (Preview)

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Reviewed-by: erikj, jvernee, psandoz, dholmes, mchung
This commit is contained in:
Maurizio Cimadamore 2022-05-12 16:17:45 +00:00
parent 3be394e160
commit 2c5d136260
303 changed files with 33474 additions and 9186 deletions
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20
src/java.base/share/classes/java/nio/X-Buffer.java.template
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@ -37,8 +37,8 @@ import java.util.stream.StreamSupport;
import java.util.stream.$Streamtype$Stream;
#end[streamableType]
import java.lang.foreign.MemorySegment;
import java.util.Objects;
import jdk.internal.access.foreign.MemorySegmentProxy;
import jdk.internal.util.ArraysSupport;
/**
@ -293,7 +293,7 @@ public abstract sealed class $Type$Buffer
// backing array, and array offset
//
$Type$Buffer(int mark, int pos, int lim, int cap, // package-private
$type$[] hb, int offset, MemorySegmentProxy segment)
$type$[] hb, int offset, MemorySegment segment)
{
super(mark, pos, lim, cap, segment);
this.hb = hb;
@ -302,13 +302,13 @@ public abstract sealed class $Type$Buffer
// Creates a new buffer with the given mark, position, limit, and capacity
//
$Type$Buffer(int mark, int pos, int lim, int cap, MemorySegmentProxy segment) { // package-private
$Type$Buffer(int mark, int pos, int lim, int cap, MemorySegment segment) { // package-private
this(mark, pos, lim, cap, null, 0, segment);
}
// Creates a new buffer with given base, address and capacity
//
$Type$Buffer($type$[] hb, long addr, int cap, MemorySegmentProxy segment) { // package-private
$Type$Buffer($type$[] hb, long addr, int cap, MemorySegment segment) { // package-private
super(addr, cap, segment);
this.hb = hb;
this.offset = 0;
@ -935,12 +935,12 @@ public abstract sealed class $Type$Buffer
#if[!byte]
if (order() != ByteOrder.nativeOrder())
SCOPED_MEMORY_ACCESS.copySwapMemory(
scope(), null, base(), bufAddr,
session(), null, base(), bufAddr,
dst, dstOffset, len, $Fulltype$.BYTES);
else
#end[!byte]
SCOPED_MEMORY_ACCESS.copyMemory(
scope(), null, base(), bufAddr,
session(), null, base(), bufAddr,
dst, dstOffset, len);
} finally {
Reference.reachabilityFence(this);
@ -1105,12 +1105,12 @@ public abstract sealed class $Type$Buffer
#if[!byte]
if (this.order() != src.order())
SCOPED_MEMORY_ACCESS.copySwapMemory(
src.scope(), scope(), srcBase, srcAddr,
src.session(), session(), srcBase, srcAddr,
base, addr, len, $Fulltype$.BYTES);
else
#end[!byte]
SCOPED_MEMORY_ACCESS.copyMemory(
src.scope(), scope(), srcBase, srcAddr,
src.session(), session(), srcBase, srcAddr,
base, addr, len);
} finally {
Reference.reachabilityFence(src);
@ -1325,12 +1325,12 @@ public abstract sealed class $Type$Buffer
#if[!byte]
if (order() != ByteOrder.nativeOrder())
SCOPED_MEMORY_ACCESS.copySwapMemory(
null, scope(), src, srcOffset,
null, session(), src, srcOffset,
base(), bufAddr, len, $Fulltype$.BYTES);
else
#end[!byte]
SCOPED_MEMORY_ACCESS.copyMemory(
null, scope(), src, srcOffset,
null, session(), src, srcOffset,
base(), bufAddr, len);
} finally {
Reference.reachabilityFence(this);