import compiler-rt-12.0.1-1.module+el8.5.0+11871+08d0eab5
This commit is contained in:
CentOS Sources
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7b02a455fbc6fe395da8d5411072acc04d669d94 SOURCES/compiler-rt-12.0.0.src.tar.xz
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d33af648dc9b901c6c9f6c5872af2f59203f1a25 SOURCES/compiler-rt-12.0.1.src.tar.xz
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b8d2648a01d36ed0186fd2c5af325fd28797f9a0 SOURCES/tstellar-gpg-key.asc
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@ -1,2 +1,2 @@
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SOURCES/compiler-rt-12.0.0.src.tar.xz
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SOURCES/compiler-rt-12.0.1.src.tar.xz
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SOURCES/tstellar-gpg-key.asc
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@ -1,71 +0,0 @@
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From ffd0f69c375f12f081a1a5158a02a05000b7a93c Mon Sep 17 00:00:00 2001
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From: Vitaly Buka <vitalybuka@google.com>
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Date: Fri, 16 Apr 2021 09:50:24 -0700
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Subject: [PATCH][compiler-rt] Sanitizer built against glibc 2.34 doesn't work
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As mentioned in https://gcc.gnu.org/PR100114 , glibc starting with the
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https://sourceware.org/git/?p=glibc.git;a=commit;h=6c57d320484988e87e446e2e60ce42816bf51d53
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change doesn't define SIGSTKSZ and MINSIGSTKSZ macros to constants, but to sysconf function call.
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sanitizer_posix_libcdep.cpp has
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static const uptr kAltStackSize = SIGSTKSZ * 4; // SIGSTKSZ is not enough.
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which is generally fine, just means that when SIGSTKSZ is not a compile time constant will be initialized later.
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The problem is that kAltStackSize is used in SetAlternateSignalStack which is called very early, from .preinit_array
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initialization, i.e. far before file scope variables are constructed, which means it is not initialized and
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mmapping 0 will fail:
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==145==ERROR: AddressSanitizer failed to allocate 0x0 (0) bytes of SetAlternateSignalStack (error code: 22)
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Here is one possible fix, another one could be to make kAltStackSize a preprocessor macro if _SG_SIGSTKSZ is defined
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(but perhaps with having an automatic const variable initialized to it so that sysconf isn't at least called twice
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during SetAlternateSignalStack.
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Reviewed By: vitalybuka
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Differential Revision: https://reviews.llvm.org/D100645
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(cherry picked from commit 82150606fb11d28813ae6da1101f5bda638165fe)
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---
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compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp | 12 ++++++++----
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1 file changed, 8 insertions(+), 4 deletions(-)
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diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp
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index d29438c..2b10bdd 100644
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--- a/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp
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+++ b/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp
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@@ -165,7 +165,11 @@ bool SupportsColoredOutput(fd_t fd) {
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#if !SANITIZER_GO
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// TODO(glider): different tools may require different altstack size.
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-static const uptr kAltStackSize = SIGSTKSZ * 4; // SIGSTKSZ is not enough.
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+static uptr GetAltStackSize() {
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+ // SIGSTKSZ is not enough.
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+ static const uptr kAltStackSize = SIGSTKSZ * 4;
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+ return kAltStackSize;
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+}
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void SetAlternateSignalStack() {
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stack_t altstack, oldstack;
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@@ -176,10 +180,10 @@ void SetAlternateSignalStack() {
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// TODO(glider): the mapped stack should have the MAP_STACK flag in the
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// future. It is not required by man 2 sigaltstack now (they're using
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// malloc()).
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- void* base = MmapOrDie(kAltStackSize, __func__);
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+ void *base = MmapOrDie(GetAltStackSize(), __func__);
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altstack.ss_sp = (char*) base;
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altstack.ss_flags = 0;
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- altstack.ss_size = kAltStackSize;
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+ altstack.ss_size = GetAltStackSize();
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CHECK_EQ(0, sigaltstack(&altstack, nullptr));
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}
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@@ -187,7 +191,7 @@ void UnsetAlternateSignalStack() {
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stack_t altstack, oldstack;
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altstack.ss_sp = nullptr;
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altstack.ss_flags = SS_DISABLE;
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- altstack.ss_size = kAltStackSize; // Some sane value required on Darwin.
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+ altstack.ss_size = GetAltStackSize(); // Some sane value required on Darwin.
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CHECK_EQ(0, sigaltstack(&altstack, &oldstack));
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UnmapOrDie(oldstack.ss_sp, oldstack.ss_size);
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}
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--
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1.8.3.1
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@ -1,54 +0,0 @@
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From 96339090681ae1dd9afe186ea14a460b61794707 Mon Sep 17 00:00:00 2001
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From: serge-sans-paille <sguelton@redhat.com>
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Date: Tue, 11 May 2021 14:38:21 +0200
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Subject: [PATCH][compiler-rt] Prevent introduction of a dependency of
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libasan.a on libstdc++
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This an attempt to fix an issue introduced by https://reviews.llvm.org/D70662
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Function-scope static initialization are guarded in C++, so we should probably
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not use it because it introduces a dependency on __cxa_guard* symbols.
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In the context of clang, libasan is linked statically, and it currently needs to
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the odd situation where compiling C code with clang and asan requires -lstdc++.
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I'm unsure of the portability requirements, providing a potential solution in
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this review.
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Differential Revision: https://reviews.llvm.org/D102475
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---
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compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp | 12 +++++++++---
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1 file changed, 9 insertions(+), 3 deletions(-)
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diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp
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index 2b10bdd..818f1af 100644
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--- a/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp
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+++ b/compiler-rt/lib/sanitizer_common/sanitizer_posix_libcdep.cpp
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@@ -15,6 +15,7 @@
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#if SANITIZER_POSIX
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+#include "sanitizer_atomic.h"
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#include "sanitizer_common.h"
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#include "sanitizer_flags.h"
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#include "sanitizer_platform_limits_netbsd.h"
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@@ -166,9 +167,14 @@ bool SupportsColoredOutput(fd_t fd) {
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#if !SANITIZER_GO
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// TODO(glider): different tools may require different altstack size.
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static uptr GetAltStackSize() {
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- // SIGSTKSZ is not enough.
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- static const uptr kAltStackSize = SIGSTKSZ * 4;
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- return kAltStackSize;
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+ static atomic_uintptr_t kAltStackSize{0};
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+ uptr ret = atomic_load(&kAltStackSize, memory_order_relaxed);
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+ if (ret == 0) {
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+ // SIGSTKSZ is not enough.
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+ ret = SIGSTKSZ * 4;
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+ atomic_store(&kAltStackSize, ret, memory_order_relaxed);
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+ }
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+ return ret;
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}
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void SetAlternateSignalStack() {
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--
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1.8.3.1
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@ -1,120 +0,0 @@
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From c9a8c70be89cfa62aa51862f4c8e0fa4c50134d2 Mon Sep 17 00:00:00 2001
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From: Tamar Christina <tamar.christina@arm.com>
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Date: Thu, 20 May 2021 18:55:11 +0100
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Subject: [PATCH][compiler-rt] libsanitizer: Remove cyclades inclusion in
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sanitizer
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The Linux kernel has removed the interface to cyclades from
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the latest kernel headers[1] due to them being orphaned for the
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past 13 years.
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libsanitizer uses this header when compiling against glibc, but
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glibcs itself doesn't seem to have any references to cyclades.
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Further more it seems that the driver is broken in the kernel and
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the firmware doesn't seem to be available anymore.
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As such since this is breaking the build of libsanitizer (and so the
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GCC bootstrap[2]) I propose to remove this.
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[1] https://lkml.org/lkml/2021/3/2/153
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[2] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100379
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Reviewed By: eugenis
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Differential Revision: https://reviews.llvm.org/D102059
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(cherry picked from commit 68d5235cb58f988c71b403334cd9482d663841ab)
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---
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.../sanitizer_common/sanitizer_common_interceptors_ioctl.inc | 9 ---------
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.../lib/sanitizer_common/sanitizer_platform_limits_posix.cpp | 11 -----------
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.../lib/sanitizer_common/sanitizer_platform_limits_posix.h | 10 ----------
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3 files changed, 30 deletions(-)
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diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc b/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
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index 7f18125..b7da659 100644
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--- a/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
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+++ b/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
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@@ -370,15 +370,6 @@ static void ioctl_table_fill() {
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#if SANITIZER_GLIBC
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// _(SIOCDEVPLIP, WRITE, struct_ifreq_sz); // the same as EQL_ENSLAVE
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- _(CYGETDEFTHRESH, WRITE, sizeof(int));
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- _(CYGETDEFTIMEOUT, WRITE, sizeof(int));
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- _(CYGETMON, WRITE, struct_cyclades_monitor_sz);
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- _(CYGETTHRESH, WRITE, sizeof(int));
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- _(CYGETTIMEOUT, WRITE, sizeof(int));
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- _(CYSETDEFTHRESH, NONE, 0);
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- _(CYSETDEFTIMEOUT, NONE, 0);
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- _(CYSETTHRESH, NONE, 0);
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- _(CYSETTIMEOUT, NONE, 0);
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_(EQL_EMANCIPATE, WRITE, struct_ifreq_sz);
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_(EQL_ENSLAVE, WRITE, struct_ifreq_sz);
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_(EQL_GETMASTRCFG, WRITE, struct_ifreq_sz);
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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 12dd39e..7abaeb8 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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@@ -143,7 +143,6 @@ typedef struct user_fpregs elf_fpregset_t;
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# include <sys/procfs.h>
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#endif
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#include <sys/user.h>
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-#include <linux/cyclades.h>
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#include <linux/if_eql.h>
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#include <linux/if_plip.h>
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#include <linux/lp.h>
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@@ -459,7 +458,6 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
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#if SANITIZER_GLIBC
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unsigned struct_ax25_parms_struct_sz = sizeof(struct ax25_parms_struct);
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- unsigned struct_cyclades_monitor_sz = sizeof(struct cyclades_monitor);
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#if EV_VERSION > (0x010000)
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unsigned struct_input_keymap_entry_sz = sizeof(struct input_keymap_entry);
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#else
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@@ -823,15 +821,6 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
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#endif // SANITIZER_LINUX
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#if SANITIZER_LINUX && !SANITIZER_ANDROID
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- unsigned IOCTL_CYGETDEFTHRESH = CYGETDEFTHRESH;
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- unsigned IOCTL_CYGETDEFTIMEOUT = CYGETDEFTIMEOUT;
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- unsigned IOCTL_CYGETMON = CYGETMON;
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- unsigned IOCTL_CYGETTHRESH = CYGETTHRESH;
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- unsigned IOCTL_CYGETTIMEOUT = CYGETTIMEOUT;
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- unsigned IOCTL_CYSETDEFTHRESH = CYSETDEFTHRESH;
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- unsigned IOCTL_CYSETDEFTIMEOUT = CYSETDEFTIMEOUT;
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- unsigned IOCTL_CYSETTHRESH = CYSETTHRESH;
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- unsigned IOCTL_CYSETTIMEOUT = CYSETTIMEOUT;
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unsigned IOCTL_EQL_EMANCIPATE = EQL_EMANCIPATE;
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unsigned IOCTL_EQL_ENSLAVE = EQL_ENSLAVE;
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unsigned IOCTL_EQL_GETMASTRCFG = EQL_GETMASTRCFG;
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diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
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index 836b178..8a156b7 100644
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--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
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+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
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@@ -983,7 +983,6 @@ extern unsigned struct_vt_mode_sz;
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#if SANITIZER_LINUX && !SANITIZER_ANDROID
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extern unsigned struct_ax25_parms_struct_sz;
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-extern unsigned struct_cyclades_monitor_sz;
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extern unsigned struct_input_keymap_entry_sz;
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extern unsigned struct_ipx_config_data_sz;
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extern unsigned struct_kbdiacrs_sz;
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@@ -1328,15 +1327,6 @@ extern unsigned IOCTL_VT_WAITACTIVE;
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#endif // SANITIZER_LINUX
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#if SANITIZER_LINUX && !SANITIZER_ANDROID
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-extern unsigned IOCTL_CYGETDEFTHRESH;
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-extern unsigned IOCTL_CYGETDEFTIMEOUT;
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-extern unsigned IOCTL_CYGETMON;
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-extern unsigned IOCTL_CYGETTHRESH;
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-extern unsigned IOCTL_CYGETTIMEOUT;
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-extern unsigned IOCTL_CYSETDEFTHRESH;
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-extern unsigned IOCTL_CYSETDEFTIMEOUT;
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-extern unsigned IOCTL_CYSETTHRESH;
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-extern unsigned IOCTL_CYSETTIMEOUT;
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extern unsigned IOCTL_EQL_EMANCIPATE;
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extern unsigned IOCTL_EQL_ENSLAVE;
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extern unsigned IOCTL_EQL_GETMASTRCFG;
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--
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1.8.3.1
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Binary file not shown.
Binary file not shown.
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@ -9,8 +9,8 @@
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%global optflags %(echo %{optflags} -Dasm=__asm__)
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Name: compiler-rt
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Version: 12.0.0%{?rc_ver:~rc%{rc_ver}}
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Release: 2%{?dist}
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Version: 12.0.1%{?rc_ver:~rc%{rc_ver}}
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Release: 1%{?dist}
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Summary: LLVM "compiler-rt" runtime libraries
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License: NCSA or MIT
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@ -20,9 +20,6 @@ Source1: https://github.com/llvm/llvm-project/releases/download/llvmorg-%{versio
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Source2: tstellar-gpg-key.asc
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Patch0: 0001-PATCH-compiler-rt-Workaround-libstdc-limitation-wrt..patch
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Patch1: 0002-PATCH-compiler-rt-Sanitizer-built-against-glibc-2.34.patch
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Patch3: 0003-PATCH-compiler-rt-Prevent-introduction-of-a-dependen.patch
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Patch4: 0004-PATCH-compiler-rt-libsanitizer-Remove-cyclades-inclu.patch
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# RHEL-specific patches
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Patch100: 0001-Drop-fno-stack-protector-from-the-compiler-flags.patch
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@ -116,6 +113,9 @@ popd
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%endif
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%changelog
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* Fri Jul 16 2021 sguelton@redhat.com - 12.0.1-1
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- 12.0.1 release
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* Tue May 25 2021 sguelton@redhat.com - 12.0.0-2
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- Backport several compatibility patches
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