forked from rpms/glibc
97 lines
3.7 KiB
Diff
97 lines
3.7 KiB
Diff
From da84f75756ca022e84be6fefd2b8167852949612 Mon Sep 17 00:00:00 2001
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From: "H.J. Lu" <hjl.tools@gmail.com>
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Date: Fri, 7 Jan 2022 14:31:25 -0800
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Subject: [PATCH v2 11/15] x86-64: Add <fixup-asm-unistd.h> and regenerate
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arch-syscall.h
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Add the map_shadow_stack system call to Linux/x86-64.
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---
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sysdeps/unix/sysv/linux/syscall-names.list | 1 +
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.../unix/sysv/linux/x86_64/64/arch-syscall.h | 1 +
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.../sysv/linux/x86_64/64/fixup-asm-unistd.h | 20 +++++++++++++++++++
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.../unix/sysv/linux/x86_64/x32/arch-syscall.h | 1 +
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.../sysv/linux/x86_64/x32/fixup-asm-unistd.h | 4 ++++
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5 files changed, 27 insertions(+)
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create mode 100644 sysdeps/unix/sysv/linux/x86_64/64/fixup-asm-unistd.h
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diff --git a/sysdeps/unix/sysv/linux/syscall-names.list b/sysdeps/unix/sysv/linux/syscall-names.list
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index 5d27b5279c..2bb924c8c4 100644
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--- a/sysdeps/unix/sysv/linux/syscall-names.list
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+++ b/sysdeps/unix/sysv/linux/syscall-names.list
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@@ -245,6 +245,7 @@ lsetxattr
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lstat
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lstat64
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madvise
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+map_shadow_stack
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mbind
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membarrier
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memfd_create
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diff --git a/sysdeps/unix/sysv/linux/x86_64/64/arch-syscall.h b/sysdeps/unix/sysv/linux/x86_64/64/arch-syscall.h
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index b4ab892ec1..c09890ab74 100644
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--- a/sysdeps/unix/sysv/linux/x86_64/64/arch-syscall.h
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+++ b/sysdeps/unix/sysv/linux/x86_64/64/arch-syscall.h
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@@ -152,6 +152,7 @@
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#define __NR_lsetxattr 189
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#define __NR_lstat 6
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#define __NR_madvise 28
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+#define __NR_map_shadow_stack 451
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#define __NR_mbind 237
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#define __NR_membarrier 324
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#define __NR_memfd_create 319
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diff --git a/sysdeps/unix/sysv/linux/x86_64/64/fixup-asm-unistd.h b/sysdeps/unix/sysv/linux/x86_64/64/fixup-asm-unistd.h
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new file mode 100644
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index 0000000000..20d941796d
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--- /dev/null
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+++ b/sysdeps/unix/sysv/linux/x86_64/64/fixup-asm-unistd.h
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@@ -0,0 +1,20 @@
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+/* Regularize <asm/unistd.h> definitions. X86-64/64 version.
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+ Copyright (C) 2023 Free Software Foundation, Inc.
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+
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+ The GNU C Library is free software; you can redistribute it and/or
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+ modify it under the terms of the GNU Lesser General Public
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+ License as published by the Free Software Foundation; either
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+ version 2.1 of the License, or (at your option) any later version.
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+
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+ The GNU C Library is distributed in the hope that it will be useful,
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+ but WITHOUT ANY WARRANTY; without even the implied warranty of
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+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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+ Lesser General Public License for more details.
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+
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+ You should have received a copy of the GNU Lesser General Public
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+ License along with the GNU C Library; if not, see
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+ <http://www.gnu.org/licenses/>. */
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+
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+#ifndef __NR_map_shadow_stack
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+# define __NR_map_shadow_stack 451
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+#endif
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diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/arch-syscall.h b/sysdeps/unix/sysv/linux/x86_64/x32/arch-syscall.h
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index 772559c87b..7ad88cb20d 100644
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--- a/sysdeps/unix/sysv/linux/x86_64/x32/arch-syscall.h
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+++ b/sysdeps/unix/sysv/linux/x86_64/x32/arch-syscall.h
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@@ -146,6 +146,7 @@
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#define __NR_lsetxattr 1073742013
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#define __NR_lstat 1073741830
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#define __NR_madvise 1073741852
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+#define __NR_map_shadow_stack 1073742275
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#define __NR_mbind 1073742061
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#define __NR_membarrier 1073742148
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#define __NR_memfd_create 1073742143
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diff --git a/sysdeps/unix/sysv/linux/x86_64/x32/fixup-asm-unistd.h b/sysdeps/unix/sysv/linux/x86_64/x32/fixup-asm-unistd.h
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index ae854321a2..882a2ad8c8 100644
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--- a/sysdeps/unix/sysv/linux/x86_64/x32/fixup-asm-unistd.h
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+++ b/sysdeps/unix/sysv/linux/x86_64/x32/fixup-asm-unistd.h
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@@ -15,6 +15,10 @@
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License along with the GNU C Library; if not, see
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<http://www.gnu.org/licenses/>. */
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+#ifndef __NR_map_shadow_stack
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+# define __NR_map_shadow_stack 1073742275
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+#endif
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+
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/* X32 uses the same 64-bit syscall interface for set_thread_area. */
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#ifndef __NR_set_thread_area
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# define __NR_set_thread_area 1073742029
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--
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2.40.1
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