1 files changed, 0 insertions, 150 deletions
diff --git a/debuggerd/backtrace.c b/debuggerd/backtrace.c
deleted file mode 100644
index f42f24c..0000000
--- a/debuggerd/backtrace.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- * Copyright (C) 2012 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 <stddef.h>
-#include <stdbool.h>
-#include <stdlib.h>
-#include <string.h>
-#include <stdio.h>
-#include <time.h>
-#include <errno.h>
-#include <limits.h>
-#include <dirent.h>
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/ptrace.h>
-
-#include <corkscrew/backtrace.h>
-
-#include "tombstone.h"
-#include "utility.h"
-
-#define STACK_DEPTH 32
-
-static void dump_process_header(log_t* log, pid_t pid) {
-    char path[PATH_MAX];
-    char procnamebuf[1024];
-    char* procname = NULL;
-    FILE* fp;
-
-    snprintf(path, sizeof(path), "/proc/%d/cmdline", pid);
-    if ((fp = fopen(path, "r"))) {
-        procname = fgets(procnamebuf, sizeof(procnamebuf), fp);
-        fclose(fp);
-    }
-
-    time_t t = time(NULL);
-    struct tm tm;
-    localtime_r(&t, &tm);
-    char timestr[64];
-    strftime(timestr, sizeof(timestr), "%F %T", &tm);
-    _LOG(log, SCOPE_AT_FAULT, "\n\n----- pid %d at %s -----\n", pid, timestr);
-
-    if (procname) {
-        _LOG(log, SCOPE_AT_FAULT, "Cmd line: %s\n", procname);
-    }
-}
-
-static void dump_process_footer(log_t* log, pid_t pid) {
-    _LOG(log, SCOPE_AT_FAULT, "\n----- end %d -----\n", pid);
-}
-
-static void dump_thread(log_t* log, pid_t tid, ptrace_context_t* context, bool attached,
-        bool* detach_failed, int* total_sleep_time_usec) {
-    char path[PATH_MAX];
-    char threadnamebuf[1024];
-    char* threadname = NULL;
-    FILE* fp;
-
-    snprintf(path, sizeof(path), "/proc/%d/comm", tid);
-    if ((fp = fopen(path, "r"))) {
-        threadname = fgets(threadnamebuf, sizeof(threadnamebuf), fp);
-        fclose(fp);
-        if (threadname) {
-            size_t len = strlen(threadname);
-            if (len && threadname[len - 1] == '\n') {
-                threadname[len - 1] = '\0';
-            }
-        }
-    }
-
-    _LOG(log, SCOPE_AT_FAULT, "\n\"%s\" sysTid=%d\n",
-            threadname ? threadname : "<unknown>", tid);
-
-    if (!attached && ptrace(PTRACE_ATTACH, tid, 0, 0) < 0) {
-        _LOG(log, SCOPE_AT_FAULT, "Could not attach to thread: %s\n", strerror(errno));
-        return;
-    }
-
-    wait_for_stop(tid, total_sleep_time_usec);
-
-    backtrace_frame_t backtrace[STACK_DEPTH];
-    ssize_t frames = unwind_backtrace_ptrace(tid, context, backtrace, 0, STACK_DEPTH);
-    if (frames <= 0) {
-        _LOG(log, SCOPE_AT_FAULT, "Could not obtain stack trace for thread.\n");
-    } else {
-        backtrace_symbol_t backtrace_symbols[STACK_DEPTH];
-        get_backtrace_symbols_ptrace(context, backtrace, frames, backtrace_symbols);
-        for (size_t i = 0; i < (size_t)frames; i++) {
-            char line[MAX_BACKTRACE_LINE_LENGTH];
-            format_backtrace_line(i, &backtrace[i], &backtrace_symbols[i],
-                    line, MAX_BACKTRACE_LINE_LENGTH);
-            _LOG(log, SCOPE_AT_FAULT, "  %s\n", line);
-        }
-        free_backtrace_symbols(backtrace_symbols, frames);
-    }
-
-    if (!attached && ptrace(PTRACE_DETACH, tid, 0, 0) != 0) {
-        LOG("ptrace detach from %d failed: %s\n", tid, strerror(errno));
-        *detach_failed = true;
-    }
-}
-
-void dump_backtrace(int fd, int amfd, pid_t pid, pid_t tid, bool* detach_failed,
-        int* total_sleep_time_usec) {
-    log_t log;
-    log.tfd = fd;
-    log.amfd = amfd;
-    log.quiet = true;
-
-    ptrace_context_t* context = load_ptrace_context(tid);
-    dump_process_header(&log, pid);
-    dump_thread(&log, tid, context, true, detach_failed, total_sleep_time_usec);
-
-    char task_path[64];
-    snprintf(task_path, sizeof(task_path), "/proc/%d/task", pid);
-    DIR* d = opendir(task_path);
-    if (d != NULL) {
-        struct dirent* de = NULL;
-        while ((de = readdir(d)) != NULL) {
-            if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, "..")) {
-                continue;
-            }
-
-            char* end;
-            pid_t new_tid = strtoul(de->d_name, &end, 10);
-            if (*end || new_tid == tid) {
-                continue;
-            }
-
-            dump_thread(&log, new_tid, context, false, detach_failed, total_sleep_time_usec);
-        }
-        closedir(d);
-    }
-
-    dump_process_footer(&log, pid);
-    free_ptrace_context(context);
-}