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From 036d209a3f1a771de9aed31dfbe804aaf91d1c27 Mon Sep 17 00:00:00 2001
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From: Shawn Anastasio <shawnanastasio@yahoo.com>
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Date: Thu, 9 Aug 2018 23:35:21 -0500
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Subject: [PATCH] sandbox/linux: Implement partial support for ppc64 syscalls
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and ucontext
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Unlike other architectures, the ppc64 files currently rely on applicable
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headers being provided by the system. It is sufficient for standard
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GNU/Linux environments, but may require expansion elsewhere.
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---
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sandbox/linux/BUILD.gn | 2 ++
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sandbox/linux/system_headers/linux_syscalls.h | 4 ++++
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sandbox/linux/system_headers/linux_ucontext.h | 2 ++
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sandbox/linux/system_headers/ppc64_linux_syscalls.h | 12 ++++++++++++
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sandbox/linux/system_headers/ppc64_linux_ucontext.h | 12 ++++++++++++
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5 files changed, 32 insertions(+)
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create mode 100644 sandbox/linux/system_headers/ppc64_linux_syscalls.h
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create mode 100644 sandbox/linux/system_headers/ppc64_linux_ucontext.h
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Index: chromium-120.0.6099.71/sandbox/linux/BUILD.gn
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===================================================================
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--- chromium-120.0.6099.71.orig/sandbox/linux/BUILD.gn
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+++ chromium-120.0.6099.71/sandbox/linux/BUILD.gn
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@@ -383,6 +383,8 @@ component("sandbox_services") {
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source_set("sandbox_services_headers") {
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sources = [
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+ "system_headers/ppc64_linux_syscalls.h",
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+ "system_headers/ppc64_linux_ucontext.h",
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"system_headers/arm64_linux_syscalls.h",
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"system_headers/arm_linux_syscalls.h",
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"system_headers/arm_linux_ucontext.h",
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Index: chromium-120.0.6099.71/sandbox/linux/system_headers/linux_syscalls.h
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===================================================================
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--- chromium-120.0.6099.71.orig/sandbox/linux/system_headers/linux_syscalls.h
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+++ chromium-120.0.6099.71/sandbox/linux/system_headers/linux_syscalls.h
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@@ -35,5 +35,9 @@
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#include "sandbox/linux/system_headers/arm64_linux_syscalls.h"
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#endif
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+#if defined(__powerpc64__)
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+#include "sandbox/linux/system_headers/ppc64_linux_syscalls.h"
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+#endif
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+
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#endif // SANDBOX_LINUX_SYSTEM_HEADERS_LINUX_SYSCALLS_H_
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Index: chromium-120.0.6099.71/sandbox/linux/system_headers/ppc64_linux_syscalls.h
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===================================================================
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--- /dev/null
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+++ chromium-120.0.6099.71/sandbox/linux/system_headers/ppc64_linux_syscalls.h
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@@ -0,0 +1,12 @@
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+// Copyright 2014 The Chromium Authors. All rights reserved.
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+// Use of this source code is governed by a BSD-style license that can be
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+// found in the LICENSE file.
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+
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+#ifndef SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_SYSCALLS_H_
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+#define SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_SYSCALLS_H_
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+
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+#include <asm/unistd.h>
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+
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+//TODO: is it necessary to redefine syscall numbers for PPC64?
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+
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+#endif // SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_SYSCALLS_H_
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Index: chromium-120.0.6099.71/sandbox/linux/system_headers/ppc64_linux_ucontext.h
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===================================================================
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--- /dev/null
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+++ chromium-120.0.6099.71/sandbox/linux/system_headers/ppc64_linux_ucontext.h
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@@ -0,0 +1,12 @@
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+// Copyright 2014 The Chromium Authors. All rights reserved.
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+// Use of this source code is governed by a BSD-style license that can be
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+// found in the LICENSE file.
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+
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+#ifndef SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_UCONTEXT_H_
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+#define SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_UCONTEXT_H_
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+
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+#include <sys/ucontext.h>
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+
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+//TODO: is it necessary to redefine ucontext on PPC64?
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+
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+#endif // SANDBOX_LINUX_SYSTEM_HEADERS_PPC64_LINUX_UCONTEXT_H_
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