70 lines
1.8 KiB
C++
70 lines
1.8 KiB
C++
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/*
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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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/*
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* Implements ADB tracing inside the emulator.
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*/
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#include <stdarg.h>
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#include "sysdeps.h"
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#include "qemu_tracing.h"
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/*
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* Redefine open and write for qemu_pipe.h that contains inlined references
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* to those routines. We will redifine them back after qemu_pipe.h inclusion.
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*/
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#undef open
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#undef write
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#define open adb_open
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#define write adb_write
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#include <hardware/qemu_pipe.h>
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#undef open
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#undef write
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#define open ___xxx_open
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#define write ___xxx_write
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/* A handle to adb-debug qemud service in the emulator. */
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int adb_debug_qemu = -1;
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/* Initializes connection with the adb-debug qemud service in the emulator. */
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int adb_qemu_trace_init(void)
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{
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char con_name[32];
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if (adb_debug_qemu >= 0) {
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return 0;
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}
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/* adb debugging QEMUD service connection request. */
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snprintf(con_name, sizeof(con_name), "qemud:adb-debug");
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adb_debug_qemu = qemu_pipe_open(con_name);
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return (adb_debug_qemu >= 0) ? 0 : -1;
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}
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void adb_qemu_trace(const char* fmt, ...)
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{
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va_list args;
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va_start(args, fmt);
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char msg[1024];
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if (adb_debug_qemu >= 0) {
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vsnprintf(msg, sizeof(msg), fmt, args);
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adb_write(adb_debug_qemu, msg, strlen(msg));
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}
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}
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