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* gnu/packages/java.scm (jamvm)[source]: Add patch. (jamvm-1-bootstrap)[native-inputs]: Remove. * gnu/packages/patches/jamvm-2.0.0-disable-branch-patching.patch: New file. * gnu/local.mk (dist_patch_DATA): Add it. Signed-off-by: Marius Bakke <marius@gnu.org>
31 lines
1.1 KiB
Diff
31 lines
1.1 KiB
Diff
From d80cfc83325f8e95d35ecd9f15b36b96fa9ed3ee Mon Sep 17 00:00:00 2001
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From: Simon South <simon@simonsouth.net>
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Date: Sat, 6 Jun 2020 18:56:56 -0400
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Subject: [PATCH] Disable branch-patching
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This patch disables JamVM's branch-patching optimization, which tends
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to make JamVM fail with an "Illegal instruction" error on x86_64 (and
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possibly other architectures that use variable-length instructions)
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when built using modern versions of gcc and glibc.
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---
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src/init.c | 4 ++--
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1 file changed, 2 insertions(+), 2 deletions(-)
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diff --git a/src/init.c b/src/init.c
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index 32539cf..38ad54b 100644
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--- a/src/init.c
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+++ b/src/init.c
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@@ -72,8 +72,8 @@ void setDefaultInitArgs(InitArgs *args) {
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#ifdef INLINING
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args->replication_threshold = 10;
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args->profile_threshold = 10;
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- args->branch_patching_dup = TRUE;
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- args->branch_patching = TRUE;
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+ args->branch_patching_dup = FALSE;
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+ args->branch_patching = FALSE;
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args->print_codestats = FALSE;
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args->join_blocks = TRUE;
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args->profiling = TRUE;
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--
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2.25.2
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