linux/powerpc64/syscallent.h \
linux/powerpc64/syscallent1.h \
linux/powerpc64/userent.h \
+ linux/ptrace_pokeuser.c \
linux/raw_syscall.h \
linux/riscv/arch_defs_.h \
linux/riscv/arch_regs.c \
linux/x32/ioctls_arch1.h \
linux/x32/ioctls_inc0.h \
linux/x32/ioctls_inc1.h \
+ linux/x32/ptrace_pokeuser.c \
linux/x32/raw_syscall.h \
linux/x32/rt_sigframe.h \
linux/x32/set_error.c \
--- /dev/null
+/*
+ * Copyright (c) 2018 The strace developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+static long
+ptrace_pokeuser(int pid, unsigned long off, kernel_ulong_t val)
+{
+ return ptrace(PTRACE_POKEUSER, pid, off, val);
+}
--- /dev/null
+/*
+ * Copyright (c) 2018 The strace developers.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+static long
+ptrace_pokeuser(int pid, unsigned long off, kernel_ulong_t val)
+{
+ /*
+ * As PTRACE_POKEUSER is crippled on x32 by design from the very first
+ * linux kernel commit v3.4-rc1~33^2~2 when it was introduced,
+ * workaround this by using the raw x86_64 syscall instead.
+ */
+ return syscall(101, PTRACE_POKEUSER, pid, off, val);
+}
#include "defs.h"
#include "ptrace.h"
+#include "ptrace_pokeuser.c"
int
upoke(struct tcb *tcp, unsigned long off, kernel_ulong_t val)
{
- if (ptrace(PTRACE_POKEUSER, tcp->pid, off, val)) {
+ if (ptrace_pokeuser(tcp->pid, off, val) < 0) {
if (errno != ESRCH)
perror_msg("upoke: PTRACE_POKEUSER pid:%d @%#lx)",
tcp->pid, off);