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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:48 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:48 -0800
commit3bbe5328cd738976443822502e23fb3971c5f87b (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /qemu_tracing
parent1c83481e3c1a4e0df017147fdfa7d856dd3012ed (diff)
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auto import from //depot/cupcake/@135843
Diffstat (limited to 'qemu_tracing')
-rw-r--r--qemu_tracing/Android.mk4
-rw-r--r--qemu_tracing/qemu_tracing.c86
2 files changed, 0 insertions, 90 deletions
diff --git a/qemu_tracing/Android.mk b/qemu_tracing/Android.mk
deleted file mode 100644
index 8c5bab0..0000000
--- a/qemu_tracing/Android.mk
+++ /dev/null
@@ -1,4 +0,0 @@
-# Copyright 2007 The Android Open Source Project
-
-LOCAL_SRC_FILES += qemu_tracing/qemu_tracing.c
-
diff --git a/qemu_tracing/qemu_tracing.c b/qemu_tracing/qemu_tracing.c
deleted file mode 100644
index 847102c..0000000
--- a/qemu_tracing/qemu_tracing.c
+++ /dev/null
@@ -1,86 +0,0 @@
-/*
- * Copyright (C) 2008 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.
- */
-#include <stdio.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <sys/types.h>
-#include <fcntl.h>
-#include <unistd.h>
-
-// This is the pathname to the sysfs file that enables and disables
-// tracing on the qemu emulator.
-#define SYS_QEMU_TRACE_STATE "/sys/qemu_trace/state"
-
-
-// This is the pathname to the sysfs file that adds new (address, symbol)
-// pairs to the trace.
-#define SYS_QEMU_TRACE_SYMBOL "/sys/qemu_trace/symbol"
-
-// The maximum length of a symbol name
-#define MAX_SYMBOL_NAME_LENGTH (4 * 1024)
-
-// Allow space in the buffer for the address plus whitespace.
-#define MAX_BUF_SIZE (MAX_SYMBOL_NAME_LENGTH + 20)
-
-// return 0 on success, or an error if the qemu driver cannot be opened
-int qemu_start_tracing()
-{
- int fd = open(SYS_QEMU_TRACE_STATE, O_WRONLY);
- if (fd < 0)
- return fd;
- write(fd, "1\n", 2);
- close(fd);
- return 0;
-}
-
-int qemu_stop_tracing()
-{
- int fd = open(SYS_QEMU_TRACE_STATE, O_WRONLY);
- if (fd < 0)
- return fd;
- write(fd, "0\n", 2);
- close(fd);
- return 0;
-}
-
-int qemu_add_mapping(unsigned int addr, const char *name)
-{
- char buf[MAX_BUF_SIZE];
-
- if (strlen(name) > MAX_SYMBOL_NAME_LENGTH)
- return EINVAL;
- int fd = open(SYS_QEMU_TRACE_SYMBOL, O_WRONLY);
- if (fd < 0)
- return fd;
- sprintf(buf, "%x %s\n", addr, name);
- write(fd, buf, strlen(buf));
- close(fd);
- return 0;
-}
-
-int qemu_remove_mapping(unsigned int addr)
-{
- char buf[MAX_BUF_SIZE];
-
- int fd = open(SYS_QEMU_TRACE_SYMBOL, O_WRONLY);
- if (fd < 0)
- return fd;
- sprintf(buf, "%x\n", addr);
- write(fd, buf, strlen(buf));
- close(fd);
- return 0;
-}