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/*
* Copyright (C) 2011 by Nelson Elhage
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
#include "x86_common.h"
#define ARCH_HAVE_MULTIPLE_PERSONALITIES
static struct ptrace_personality arch_personality[2] = {
{
offsetof(struct user, regs.rax),
offsetof(struct user, regs.rdi),
offsetof(struct user, regs.rsi),
offsetof(struct user, regs.rdx),
offsetof(struct user, regs.r10),
offsetof(struct user, regs.r8),
offsetof(struct user, regs.r9),
offsetof(struct user, regs.rip),
},
{
offsetof(struct user, regs.rax),
offsetof(struct user, regs.rbx),
offsetof(struct user, regs.rcx),
offsetof(struct user, regs.rdx),
offsetof(struct user, regs.rsi),
offsetof(struct user, regs.rdi),
offsetof(struct user, regs.rbp),
offsetof(struct user, regs.rip),
},
};
struct x86_personality x86_personality[2] = {
{
offsetof(struct user, regs.orig_rax),
offsetof(struct user, regs.rax),
},
{
offsetof(struct user, regs.orig_rax),
offsetof(struct user, regs.rax),
},
};
struct syscall_numbers arch_syscall_numbers[2] = {
#include "default-syscalls.h"
{
/*
* These don't seem to be available in any convenient header. We could
* include unistd_32.h, but those definitions would conflict with the
* standard ones. So, let's just hardcode the values for now. Probably
* we should generate this from unistd_32.h during the build process or
* soemthing.
*/
.nr_mmap = 90,
.nr_mmap2 = 192,
.nr_munmap = 91,
.nr_getsid = 147,
.nr_setsid = 66,
.nr_setpgid = 57,
.nr_fork = 2,
.nr_wait4 = 114,
.nr_signal = 48,
.nr_rt_sigaction = 173,
.nr_open = 5,
.nr_close = 6,
.nr_ioctl = 54,
.nr_dup2 = 63
}
};
int arch_get_personality(struct ptrace_child *child) {
unsigned long cs;
cs = ptrace_command(child, PTRACE_PEEKUSER,
offsetof(struct user, regs.cs));
if (child->error)
return -1;
if (cs == 0x23)
child->personality = 1;
return 0;
}
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