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| author | Dan Albert <danalbert@google.com> | 2015-03-10 00:58:05 +0000 |
|---|---|---|
| committer | Gerrit Code Review <noreply-gerritcodereview@google.com> | 2015-03-10 00:58:06 +0000 |
| commit | 5f2ccb0efd1331f0137e294bed7a076c472f0ed6 (patch) | |
| tree | 9763c3cb2f5e640c7061cffb47d61274a37baab8 /adb/qemu_tracing.cpp | |
| parent | 9b1fd969a7b7f1c6f1ed19719f21d57001d3c461 (diff) | |
| parent | bac3474a8256cb32a29e8d46f78cad95a5502692 (diff) | |
| download | system_core-5f2ccb0efd1331f0137e294bed7a076c472f0ed6.zip system_core-5f2ccb0efd1331f0137e294bed7a076c472f0ed6.tar.gz system_core-5f2ccb0efd1331f0137e294bed7a076c472f0ed6.tar.bz2 | |
Merge "Move adb to C++."
Diffstat (limited to 'adb/qemu_tracing.cpp')
| -rw-r--r-- | adb/qemu_tracing.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/adb/qemu_tracing.cpp b/adb/qemu_tracing.cpp new file mode 100644 index 0000000..f31eae8 --- /dev/null +++ b/adb/qemu_tracing.cpp @@ -0,0 +1,69 @@ +/* + * Copyright (C) 2015 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +/* + * Implements ADB tracing inside the emulator. + */ + +#include <stdarg.h> + +#include "sysdeps.h" +#include "qemu_tracing.h" + +/* + * Redefine open and write for qemu_pipe.h that contains inlined references + * to those routines. We will redifine them back after qemu_pipe.h inclusion. + */ + +#undef open +#undef write +#define open adb_open +#define write adb_write +#include <hardware/qemu_pipe.h> +#undef open +#undef write +#define open ___xxx_open +#define write ___xxx_write + +/* A handle to adb-debug qemud service in the emulator. */ +int adb_debug_qemu = -1; + +/* Initializes connection with the adb-debug qemud service in the emulator. */ +int adb_qemu_trace_init(void) +{ + char con_name[32]; + + if (adb_debug_qemu >= 0) { + return 0; + } + + /* adb debugging QEMUD service connection request. */ + snprintf(con_name, sizeof(con_name), "qemud:adb-debug"); + adb_debug_qemu = qemu_pipe_open(con_name); + return (adb_debug_qemu >= 0) ? 0 : -1; +} + +void adb_qemu_trace(const char* fmt, ...) +{ + va_list args; + va_start(args, fmt); + char msg[1024]; + + if (adb_debug_qemu >= 0) { + vsnprintf(msg, sizeof(msg), fmt, args); + adb_write(adb_debug_qemu, msg, strlen(msg)); + } +} |