54 lines
1.3 KiB
C++
54 lines
1.3 KiB
C++
/*
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* Copyright (C) 2015 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <errno.h>
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#include <signal.h>
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#include <stdarg.h>
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#include <sys/ptrace.h>
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#include <string>
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#include "ptrace_fake.h"
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siginfo_t g_fake_si = {.si_signo = 0};
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void ptrace_set_fake_getsiginfo(const siginfo_t& si) {
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g_fake_si = si;
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}
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#if !defined(__BIONIC__)
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extern "C" long ptrace_fake(enum __ptrace_request request, ...) {
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#else
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extern "C" long ptrace_fake(int request, ...) {
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#endif
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if (request == PTRACE_GETSIGINFO) {
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if (g_fake_si.si_signo == 0) {
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errno = EFAULT;
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return -1;
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}
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va_list ap;
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va_start(ap, request);
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va_arg(ap, int);
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va_arg(ap, int);
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siginfo_t* si = va_arg(ap, siginfo*);
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va_end(ap);
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*si = g_fake_si;
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return 0;
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}
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return -1;
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}
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