compiler-rt/SOURCES/0004-PATCH-compiler-rt-libs...

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Diff

From c9a8c70be89cfa62aa51862f4c8e0fa4c50134d2 Mon Sep 17 00:00:00 2001
From: Tamar Christina <tamar.christina@arm.com>
Date: Thu, 20 May 2021 18:55:11 +0100
Subject: [PATCH][compiler-rt] libsanitizer: Remove cyclades inclusion in
sanitizer
The Linux kernel has removed the interface to cyclades from
the latest kernel headers[1] due to them being orphaned for the
past 13 years.
libsanitizer uses this header when compiling against glibc, but
glibcs itself doesn't seem to have any references to cyclades.
Further more it seems that the driver is broken in the kernel and
the firmware doesn't seem to be available anymore.
As such since this is breaking the build of libsanitizer (and so the
GCC bootstrap[2]) I propose to remove this.
[1] https://lkml.org/lkml/2021/3/2/153
[2] https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100379
Reviewed By: eugenis
Differential Revision: https://reviews.llvm.org/D102059
(cherry picked from commit 68d5235cb58f988c71b403334cd9482d663841ab)
---
.../sanitizer_common/sanitizer_common_interceptors_ioctl.inc | 9 ---------
.../lib/sanitizer_common/sanitizer_platform_limits_posix.cpp | 11 -----------
.../lib/sanitizer_common/sanitizer_platform_limits_posix.h | 10 ----------
3 files changed, 30 deletions(-)
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc b/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
index 7f18125..b7da659 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_common_interceptors_ioctl.inc
@@ -370,15 +370,6 @@ static void ioctl_table_fill() {
#if SANITIZER_GLIBC
// _(SIOCDEVPLIP, WRITE, struct_ifreq_sz); // the same as EQL_ENSLAVE
- _(CYGETDEFTHRESH, WRITE, sizeof(int));
- _(CYGETDEFTIMEOUT, WRITE, sizeof(int));
- _(CYGETMON, WRITE, struct_cyclades_monitor_sz);
- _(CYGETTHRESH, WRITE, sizeof(int));
- _(CYGETTIMEOUT, WRITE, sizeof(int));
- _(CYSETDEFTHRESH, NONE, 0);
- _(CYSETDEFTIMEOUT, NONE, 0);
- _(CYSETTHRESH, NONE, 0);
- _(CYSETTIMEOUT, NONE, 0);
_(EQL_EMANCIPATE, WRITE, struct_ifreq_sz);
_(EQL_ENSLAVE, WRITE, struct_ifreq_sz);
_(EQL_GETMASTRCFG, WRITE, struct_ifreq_sz);
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
index 12dd39e..7abaeb8 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.cpp
@@ -143,7 +143,6 @@ typedef struct user_fpregs elf_fpregset_t;
# include <sys/procfs.h>
#endif
#include <sys/user.h>
-#include <linux/cyclades.h>
#include <linux/if_eql.h>
#include <linux/if_plip.h>
#include <linux/lp.h>
@@ -459,7 +458,6 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
#if SANITIZER_GLIBC
unsigned struct_ax25_parms_struct_sz = sizeof(struct ax25_parms_struct);
- unsigned struct_cyclades_monitor_sz = sizeof(struct cyclades_monitor);
#if EV_VERSION > (0x010000)
unsigned struct_input_keymap_entry_sz = sizeof(struct input_keymap_entry);
#else
@@ -823,15 +821,6 @@ unsigned struct_ElfW_Phdr_sz = sizeof(Elf_Phdr);
#endif // SANITIZER_LINUX
#if SANITIZER_LINUX && !SANITIZER_ANDROID
- unsigned IOCTL_CYGETDEFTHRESH = CYGETDEFTHRESH;
- unsigned IOCTL_CYGETDEFTIMEOUT = CYGETDEFTIMEOUT;
- unsigned IOCTL_CYGETMON = CYGETMON;
- unsigned IOCTL_CYGETTHRESH = CYGETTHRESH;
- unsigned IOCTL_CYGETTIMEOUT = CYGETTIMEOUT;
- unsigned IOCTL_CYSETDEFTHRESH = CYSETDEFTHRESH;
- unsigned IOCTL_CYSETDEFTIMEOUT = CYSETDEFTIMEOUT;
- unsigned IOCTL_CYSETTHRESH = CYSETTHRESH;
- unsigned IOCTL_CYSETTIMEOUT = CYSETTIMEOUT;
unsigned IOCTL_EQL_EMANCIPATE = EQL_EMANCIPATE;
unsigned IOCTL_EQL_ENSLAVE = EQL_ENSLAVE;
unsigned IOCTL_EQL_GETMASTRCFG = EQL_GETMASTRCFG;
diff --git a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
index 836b178..8a156b7 100644
--- a/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
+++ b/compiler-rt/lib/sanitizer_common/sanitizer_platform_limits_posix.h
@@ -983,7 +983,6 @@ extern unsigned struct_vt_mode_sz;
#if SANITIZER_LINUX && !SANITIZER_ANDROID
extern unsigned struct_ax25_parms_struct_sz;
-extern unsigned struct_cyclades_monitor_sz;
extern unsigned struct_input_keymap_entry_sz;
extern unsigned struct_ipx_config_data_sz;
extern unsigned struct_kbdiacrs_sz;
@@ -1328,15 +1327,6 @@ extern unsigned IOCTL_VT_WAITACTIVE;
#endif // SANITIZER_LINUX
#if SANITIZER_LINUX && !SANITIZER_ANDROID
-extern unsigned IOCTL_CYGETDEFTHRESH;
-extern unsigned IOCTL_CYGETDEFTIMEOUT;
-extern unsigned IOCTL_CYGETMON;
-extern unsigned IOCTL_CYGETTHRESH;
-extern unsigned IOCTL_CYGETTIMEOUT;
-extern unsigned IOCTL_CYSETDEFTHRESH;
-extern unsigned IOCTL_CYSETDEFTIMEOUT;
-extern unsigned IOCTL_CYSETTHRESH;
-extern unsigned IOCTL_CYSETTIMEOUT;
extern unsigned IOCTL_EQL_EMANCIPATE;
extern unsigned IOCTL_EQL_ENSLAVE;
extern unsigned IOCTL_EQL_GETMASTRCFG;
--
1.8.3.1