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