38 lines
1.3 KiB
Diff
38 lines
1.3 KiB
Diff
From 08a38628f29df63ac842f4d083efb414f42d7bff Mon Sep 17 00:00:00 2001
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From: "Edward Z. Yang" <ezyang@mit.edu>
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Date: Tue, 9 Jul 2013 00:01:43 -0700
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Subject: [PATCH] Disable executable stack for the linker note, fixing #703
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(again)
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Signed-off-by: Edward Z. Yang <ezyang@mit.edu>
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---
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compiler/main/DriverPipeline.hs | 12 +++++++++++-
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1 file changed, 11 insertions(+), 1 deletion(-)
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diff --git a/compiler/main/DriverPipeline.hs b/compiler/main/DriverPipeline.hs
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index 67377e6..26425ae 100644
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--- a/compiler/main/DriverPipeline.hs
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+++ b/compiler/main/DriverPipeline.hs
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@@ -1640,7 +1640,17 @@ mkNoteObjsToLinkIntoBinary dflags dep_packages = do
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text elfSectionNote,
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text "\n",
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- text "\t.ascii \"", info', text "\"\n" ]
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+ text "\t.ascii \"", info', text "\"\n",
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+
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+ -- ALL generated assembly must have this section to disable
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+ -- executable stacks. See also
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+ -- compiler/nativeGen/AsmCodeGen.lhs for another instance
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+ -- where we need to do this.
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+ (if platformHasGnuNonexecStack (targetPlatform dflags)
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+ then text ".section .note.GNU-stack,\"\",@progbits\n"
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+ else empty)
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+
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+ ]
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where
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info' = text $ escape info
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--
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1.8.1.2
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