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33 lines
1.2 KiB
Diff
33 lines
1.2 KiB
Diff
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From ac2ca688140dbf103ad18efbc8fb98e62ec40e27 Mon Sep 17 00:00:00 2001
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From: Iain Sandoe <iain@sandoe.co.uk>
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Date: Sat, 8 Aug 2020 12:15:09 +0100
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Subject: [PATCH] Darwin: Adjust the PCH area to allow for 16384byte page size.
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Newer versions of Darwin report pagesize 20 which means that we
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need to adjust the aligment of the PCH area.
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gcc/ChangeLog:
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* config/host-darwin.c: Align pch_address_space to 16384.
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(cherry picked from commit 590febb5f6624f78b36402a7c9a9c318978f1efa)
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---
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gcc/config/host-darwin.c | 5 ++++-
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1 file changed, 4 insertions(+), 1 deletion(-)
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diff --git a/gcc/config/host-darwin.c b/gcc/config/host-darwin.c
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index 49d3af77a9237..b9cf347f1e847 100644
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--- a/gcc/config/host-darwin.c
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+++ b/gcc/config/host-darwin.c
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@@ -24,7 +24,10 @@
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#include "config/host-darwin.h"
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/* Yes, this is really supposed to work. */
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-static char pch_address_space[1024*1024*1024] __attribute__((aligned (4096)));
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+/* This allows for a pagesize of 16384, which we have on Darwin20, but should
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+ continue to work OK for pagesize 4096 which we have on earlier versions.
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+ The size is 1 (binary) Gb. */
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+static char pch_address_space[65536*16384] __attribute__((aligned (16384)));
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/* Return the address of the PCH address space, if the PCH will fit in it. */
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