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48 lines
2.0 KiB
Diff
48 lines
2.0 KiB
Diff
 
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From 786c10cd82a78c210379700b72cf18a018e1e1f7 Mon Sep 17 00:00:00 2001
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From: Mark Mentovai <mark@mentovai.com>
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Date: Thu, 28 Sep 2023 11:18:41 -0400
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Subject: [PATCH] [sanitizer] Use consistent checks for XDR
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MIME-Version: 1.0
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Content-Type: text/plain; charset=UTF-8
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Content-Transfer-Encoding: 8bit
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This is a backport of 28800c2e18972935cd4f942aa428c5e6cc4c1670
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(https://reviews.llvm.org/D130060), which is in llvm-15, to llvm-14,
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however it’s been adapted to be
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pre-8246b2e156568c31e71e16cbaf4c14d316e7c06e
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(https://reviews.llvm.org/D126263), which renamed SANITIZER_MAC (the
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macro in llvm-14) to SANITIZER_APPLE (the macro in llvm-15 and later).
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The original change’s description:
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> sanitizer_platform_limits_posix.h defines `__sanitizer_XDR ` if
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> `SANITIZER_LINUX && !SANITIZER_ANDROID`, but
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> sanitizer_platform_limits_posix.cpp tries to check it if
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> `HAVE_RPC_XDR_H`. This coincidentally works because macOS has a broken
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> <rpc/xdr.h> which causes `HAVE_RPC_XDR_H` to be 0, but if <rpc/xdr.h>
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> is fixed then clang fails to compile on macOS. Restore the platform
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> checks so that <rpc/xdr.h> can be fixed on macOS.
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This has become important with Xcode 15, which contains the macOS 14
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SDK, which does have a fixed <rpc/xdr.h>.
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---
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.../lib/sanitizer_common/sanitizer_platform_limits_posix.cpp | 2 +-
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1 file changed, 1 insertion(+), 1 deletion(-)
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diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
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index 32b8f47ed633..6cefef3f3327 100644
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--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
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+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
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@@ -1250,7 +1250,7 @@ CHECK_SIZE_AND_OFFSET(group, gr_passwd);
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CHECK_SIZE_AND_OFFSET(group, gr_gid);
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CHECK_SIZE_AND_OFFSET(group, gr_mem);
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-#if HAVE_RPC_XDR_H
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+#if HAVE_RPC_XDR_H && !SANITIZER_MAC
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CHECK_TYPE_SIZE(XDR);
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CHECK_SIZE_AND_OFFSET(XDR, x_op);
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CHECK_SIZE_AND_OFFSET(XDR, x_ops);
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--
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2.42.0
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