auto import from //depot/cupcake/@135843

1 files changed, 0 insertions, 852 deletions

diff --git a/debuggerd/debuggerd.c b/debuggerd/debuggerd.c
deleted file mode 100644
index 9394e1c..0000000
--- a/debuggerd/debuggerd.c
+++ /dev/null
@@ -1,852 +0,0 @@
-/* system/debuggerd/debuggerd.c
-**
-** Copyright 2006, 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 <stdlib.h>
-#include <unistd.h>
-#include <errno.h>
-#include <signal.h>
-#include <pthread.h>
-#include <stdarg.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <dirent.h>
-
-#include <sys/ptrace.h>
-#include <sys/wait.h>
-#include <sys/exec_elf.h>
-#include <sys/stat.h>
-
-#include <cutils/sockets.h>
-#include <cutils/logd.h>
-#include <cutils/sockets.h>
-#include <cutils/properties.h>
-
-#include <linux/input.h>
-
-#include <private/android_filesystem_config.h>
-
-#include "utility.h"
-
-/* Main entry point to get the backtrace from the crashing process */
-extern int unwind_backtrace_with_ptrace(int tfd, pid_t pid, mapinfo *map,
-                                        unsigned int sp_list[],
-                                        int *frame0_pc_sane,
-                                        bool at_fault);
-
-static char **process_name_ptr;
-
-static int logsocket = -1;
-
-#define ANDROID_LOG_INFO 4
-
-/* Log information onto the tombstone */
-void _LOG(int tfd, bool in_tombstone_only, const char *fmt, ...)
-{
-    char buf[128];
-    
-    va_list ap;
-    va_start(ap, fmt);
-
-    if (tfd >= 0) {
-        int len;
-        vsnprintf(buf, sizeof(buf), fmt, ap);
-        len = strlen(buf);
-        if(tfd >= 0) write(tfd, buf, len);
-    }
-
-    if (!in_tombstone_only)
-        __android_log_vprint(ANDROID_LOG_INFO, "DEBUG", fmt, ap);
-}
-
-#define LOG(fmt...) _LOG(-1, 0, fmt)
-#if 0
-#define XLOG(fmt...) _LOG(-1, 0, fmt)
-#else
-#define XLOG(fmt...) do {} while(0)
-#endif
-
-// 6f000000-6f01e000 rwxp 00000000 00:0c 16389419   /system/lib/libcomposer.so
-// 012345678901234567890123456789012345678901234567890123456789
-// 0         1         2         3         4         5
-
-mapinfo *parse_maps_line(char *line)
-{
-    mapinfo *mi;
-    int len = strlen(line);
-
-    if(len < 1) return 0;
-    line[--len] = 0;
-    
-    if(len < 50) return 0;
-    if(line[20] != 'x') return 0;
-
-    mi = malloc(sizeof(mapinfo) + (len - 47));
-    if(mi == 0) return 0;
-    
-    mi->start = strtoul(line, 0, 16);
-    mi->end = strtoul(line + 9, 0, 16);
-    /* To be filled in parse_exidx_info if the mapped section starts with 
-     * elf_header
-     */
-    mi->exidx_start = mi->exidx_end = 0;
-    mi->next = 0;
-    strcpy(mi->name, line + 49);
-
-    return mi;
-}
-
-void dump_build_info(int tfd)
-{
-    char fingerprint[PROPERTY_VALUE_MAX];
-
-    property_get("ro.build.fingerprint", fingerprint, "unknown");
-
-    _LOG(tfd, false, "Build fingerprint: '%s'\n", fingerprint);
-}
-
-
-void dump_stack_and_code(int tfd, int pid, mapinfo *map, 
-                         int unwind_depth, unsigned int sp_list[],
-                         int frame0_pc_sane, bool at_fault)
-{
-    unsigned int sp, pc, p, end, data;
-    struct pt_regs r;
-    int sp_depth;
-    bool only_in_tombstone = !at_fault;
-
-    if(ptrace(PTRACE_GETREGS, pid, 0, &r)) return;
-    sp = r.ARM_sp;
-    pc = r.ARM_pc;
-
-    /* Died because calling the weeds - dump
-     * the code around the PC in the next frame instead.
-     */
-    if (frame0_pc_sane == 0) {
-        pc = r.ARM_lr;
-    }
-
-    _LOG(tfd, true, "code%s:\n", frame0_pc_sane ? "" : " (around frame #01)");
-
-    end = p = pc & ~3;
-    p -= 16;
-
-    /* Dump the code as:
-     *  PC         contents
-     *  00008d34   fffffcd0 4c0eb530 b0934a0e 1c05447c
-     *  00008d44   f7ff18a0 490ced94 68035860 d0012b00
-     */
-    while (p <= end) {
-        int i;
-
-        _LOG(tfd, true, " %08x  ", p);
-        for (i = 0; i < 4; i++) {
-            data = ptrace(PTRACE_PEEKTEXT, pid, (void*)p, NULL);
-            _LOG(tfd, true, " %08x", data);
-            p += 4;
-        }
-        _LOG(tfd, true, "\n", p);
-    }
-
-    p = sp - 64;
-    p &= ~3;
-    if (unwind_depth != 0) {
-        if (unwind_depth < STACK_CONTENT_DEPTH) {
-            end = sp_list[unwind_depth-1];
-        }
-        else {
-            end = sp_list[STACK_CONTENT_DEPTH-1];
-        }
-    }
-    else {
-        end = sp | 0x000000ff;
-        end += 0xff;
-    }
-
-    _LOG(tfd, only_in_tombstone, "stack:\n");
-
-    /* If the crash is due to PC == 0, there will be two frames that
-     * have identical SP value.
-     */
-    if (sp_list[0] == sp_list[1]) {
-        sp_depth = 1;
-    }
-    else {
-        sp_depth = 0;
-    }
-
-    while (p <= end) {
-         char *prompt; 
-         char level[16];
-         data = ptrace(PTRACE_PEEKTEXT, pid, (void*)p, NULL);
-         if (p == sp_list[sp_depth]) {
-             sprintf(level, "#%02d", sp_depth++);
-             prompt = level;
-         }
-         else {
-             prompt = "   ";
-         }
-         
-         /* Print the stack content in the log for the first 3 frames. For the
-          * rest only print them in the tombstone file.
-          */
-         _LOG(tfd, (sp_depth > 2) || only_in_tombstone, 
-              "%s %08x  %08x  %s\n", prompt, p, data, 
-              map_to_name(map, data, ""));
-         p += 4;
-    }
-    /* print another 64-byte of stack data after the last frame */
-
-    end = p+64;
-    while (p <= end) {
-         data = ptrace(PTRACE_PEEKTEXT, pid, (void*)p, NULL);
-         _LOG(tfd, (sp_depth > 2) || only_in_tombstone, 
-              "    %08x  %08x  %s\n", p, data, 
-              map_to_name(map, data, ""));
-         p += 4;
-    }
-}
-
-void dump_pc_and_lr(int tfd, int pid, mapinfo *map, int unwound_level, 
-                    bool at_fault)
-{
-    struct pt_regs r;
-
-    if(ptrace(PTRACE_GETREGS, pid, 0, &r)) {
-        _LOG(tfd, !at_fault, "tid %d not responding!\n", pid);
-        return;
-    }
-
-    if (unwound_level == 0) {
-        _LOG(tfd, !at_fault, "         #%02d  pc %08x  %s\n", 0, r.ARM_pc,
-             map_to_name(map, r.ARM_pc, "<unknown>"));
-    }
-    _LOG(tfd, !at_fault, "         #%02d  lr %08x  %s\n", 1, r.ARM_lr,
-            map_to_name(map, r.ARM_lr, "<unknown>"));
-}
-
-void dump_registers(int tfd, int pid, bool at_fault) 
-{
-    struct pt_regs r;
-    bool only_in_tombstone = !at_fault;
-
-    if(ptrace(PTRACE_GETREGS, pid, 0, &r)) {
-        _LOG(tfd, only_in_tombstone, 
-             "cannot get registers: %s\n", strerror(errno));
-        return;
-    }
-    
-    _LOG(tfd, only_in_tombstone, " r0 %08x  r1 %08x  r2 %08x  r3 %08x\n",
-         r.ARM_r0, r.ARM_r1, r.ARM_r2, r.ARM_r3);
-    _LOG(tfd, only_in_tombstone, " r4 %08x  r5 %08x  r6 %08x  r7 %08x\n",
-         r.ARM_r4, r.ARM_r5, r.ARM_r6, r.ARM_r7);
-    _LOG(tfd, only_in_tombstone, " r8 %08x  r9 %08x  10 %08x  fp %08x\n",
-         r.ARM_r8, r.ARM_r9, r.ARM_r10, r.ARM_fp);
-    _LOG(tfd, only_in_tombstone, 
-         " ip %08x  sp %08x  lr %08x  pc %08x  cpsr %08x\n",
-         r.ARM_ip, r.ARM_sp, r.ARM_lr, r.ARM_pc, r.ARM_cpsr);  
-}
-
-const char *get_signame(int sig)
-{
-    switch(sig) {
-    case SIGILL:     return "SIGILL";
-    case SIGABRT:    return "SIGABRT";
-    case SIGBUS:     return "SIGBUS";
-    case SIGFPE:     return "SIGFPE";
-    case SIGSEGV:    return "SIGSEGV";
-    case SIGSTKFLT:  return "SIGSTKFLT";
-    default:         return "?";
-    }
-}
-
-void dump_fault_addr(int tfd, int pid, int sig)
-{
-    siginfo_t si;
-    
-    memset(&si, 0, sizeof(si));
-    if(ptrace(PTRACE_GETSIGINFO, pid, 0, &si)){
-        _LOG(tfd, false, "cannot get siginfo: %s\n", strerror(errno));
-    } else {
-        _LOG(tfd, false, "signal %d (%s), fault addr %08x\n",
-            sig, get_signame(sig), si.si_addr);
-    }
-}
-
-void dump_crash_banner(int tfd, unsigned pid, unsigned tid, int sig)
-{
-    char data[1024];
-    char *x = 0;
-    FILE *fp;
-    
-    sprintf(data, "/proc/%d/cmdline", pid);
-    fp = fopen(data, "r");
-    if(fp) {
-        x = fgets(data, 1024, fp);
-        fclose(fp);
-    }
-    
-    _LOG(tfd, false,
-         "*** *** *** *** *** *** *** *** *** *** *** *** *** *** *** ***\n");
-    dump_build_info(tfd);
-    _LOG(tfd, false, "pid: %d, tid: %d  >>> %s <<<\n",
-         pid, tid, x ? x : "UNKNOWN");
-    
-    if(sig) dump_fault_addr(tfd, tid, sig);
-}
-
-static void parse_exidx_info(mapinfo *milist, pid_t pid)
-{
-    mapinfo *mi;
-    for (mi = milist; mi != NULL; mi = mi->next) {
-        Elf32_Ehdr ehdr;
-
-        memset(&ehdr, 0, sizeof(Elf32_Ehdr));
-        /* Read in sizeof(Elf32_Ehdr) worth of data from the beginning of 
-         * mapped section.
-         */
-        get_remote_struct(pid, (void *) (mi->start), &ehdr, 
-                          sizeof(Elf32_Ehdr));
-        /* Check if it has the matching magic words */
-        if (IS_ELF(ehdr)) {
-            Elf32_Phdr phdr;
-            Elf32_Phdr *ptr;
-            int i;
-
-            ptr = (Elf32_Phdr *) (mi->start + ehdr.e_phoff);
-            for (i = 0; i < ehdr.e_phnum; i++) {
-                /* Parse the program header */
-                get_remote_struct(pid, (void *) ptr+i, &phdr, 
-                                  sizeof(Elf32_Phdr));
-                /* Found a EXIDX segment? */
-                if (phdr.p_type == PT_ARM_EXIDX) {
-                    mi->exidx_start = mi->start + phdr.p_offset;
-                    mi->exidx_end = mi->exidx_start + phdr.p_filesz;
-                    break;
-                }
-            }
-        }
-    }
-}
-
-void dump_crash_report(int tfd, unsigned pid, unsigned tid, bool at_fault)
-{
-    char data[1024];
-    FILE *fp;
-    mapinfo *milist = 0;
-    unsigned int sp_list[STACK_CONTENT_DEPTH];
-    int stack_depth;
-    int frame0_pc_sane = 1;
-    
-    if (!at_fault) {
-        _LOG(tfd, true,
-         "--- --- --- --- --- --- --- --- --- --- --- --- --- --- --- ---\n");
-        _LOG(tfd, true, "pid: %d, tid: %d\n", pid, tid);
-    }
-
-    dump_registers(tfd, tid, at_fault);
-    
-    /* Clear stack pointer records */
-    memset(sp_list, 0, sizeof(sp_list));
-
-    sprintf(data, "/proc/%d/maps", pid);
-    fp = fopen(data, "r");
-    if(fp) {
-        while(fgets(data, 1024, fp)) {
-            mapinfo *mi = parse_maps_line(data);
-            if(mi) {
-                mi->next = milist;
-                milist = mi;
-            }
-        }
-        fclose(fp);
-    }
-
-    parse_exidx_info(milist, tid);
-
-    /* If stack unwinder fails, use the default solution to dump the stack
-     * content.
-     */
-    stack_depth = unwind_backtrace_with_ptrace(tfd, tid, milist, sp_list,
-                                               &frame0_pc_sane, at_fault);
-
-    /* The stack unwinder should at least unwind two levels of stack. If less
-     * level is seen we make sure at lease pc and lr are dumped.
-     */
-    if (stack_depth < 2) {
-        dump_pc_and_lr(tfd, tid, milist, stack_depth, at_fault);
-    }
-
-    dump_stack_and_code(tfd, tid, milist, stack_depth, sp_list, frame0_pc_sane,
-                        at_fault);
-
-    while(milist) {
-        mapinfo *next = milist->next;
-        free(milist);
-        milist = next;
-    }
-}
-
-/* FIXME: unused: use it or lose it*/
-#if 0
-static
-void start_gdbserver_vs(int pid, int port)
-{
-    pid_t p;
-    char *args[5];
-    char commspec[16];
-    char pidspec[16];
-    
-    p = fork();
-    if(p < 0) {
-        LOG("could not fork()\n");
-        return;
-    }
-
-    if(p == 0) {
-        sprintf(commspec, ":%d", port);
-        sprintf(pidspec, "%d", pid);
-        args[0] = "/system/bin/gdbserver";
-        args[1] = commspec;
-        args[2] = "--attach";
-        args[3] = pidspec;
-        args[4] = 0;
-        exit(execv(args[0], args));
-    } else {
-        LOG("gdbserver pid=%d port=%d targetpid=%d\n",
-            p, port, pid);
-
-        sleep(5);
-    }
-}
-#endif
-
-#define MAX_TOMBSTONES	10
-
-#define typecheck(x,y) {    \
-    typeof(x) __dummy1;     \
-    typeof(y) __dummy2;     \
-    (void)(&__dummy1 == &__dummy2); }
-
-#define TOMBSTONE_DIR	"/data/tombstones"
-
-/*
- * find_and_open_tombstone - find an available tombstone slot, if any, of the
- * form tombstone_XX where XX is 00 to MAX_TOMBSTONES-1, inclusive. If no
- * file is available, we reuse the least-recently-modified file.
- */
-static int find_and_open_tombstone(void)
-{
-    unsigned long mtime = ULONG_MAX;
-    struct stat sb;
-    char path[128];
-    int fd, i, oldest = 0;
-
-    /*
-     * XXX: Our stat.st_mtime isn't time_t. If it changes, as it probably ought
-     * to, our logic breaks. This check will generate a warning if that happens.
-     */
-    typecheck(mtime, sb.st_mtime);
-
-    /*
-     * In a single wolf-like pass, find an available slot and, in case none
-     * exist, find and record the least-recently-modified file.
-     */
-    for (i = 0; i < MAX_TOMBSTONES; i++) {
-        snprintf(path, sizeof(path), TOMBSTONE_DIR"/tombstone_%02d", i);
-
-        if (!stat(path, &sb)) {
-            if (sb.st_mtime < mtime) {
-                oldest = i;
-                mtime = sb.st_mtime;
-            }
-            continue;
-        }
-        if (errno != ENOENT)
-            continue;
-
-        fd = open(path, O_CREAT | O_EXCL | O_WRONLY, 0600);
-        if (fd < 0)
-            continue;	/* raced ? */
-
-        fchown(fd, AID_SYSTEM, AID_SYSTEM);
-        return fd;
-    }
-
-    /* we didn't find an available file, so we clobber the oldest one */
-    snprintf(path, sizeof(path), TOMBSTONE_DIR"/tombstone_%02d", oldest);
-    fd = open(path, O_CREAT | O_TRUNC | O_WRONLY, 0600);
-    fchown(fd, AID_SYSTEM, AID_SYSTEM);
-
-    return fd;
-}
-
-/* Return true if some thread is not detached cleanly */
-static bool dump_sibling_thread_report(int tfd, unsigned pid, unsigned tid)
-{
-    char task_path[1024];
-
-    sprintf(task_path, "/proc/%d/task", pid);
-    DIR *d;
-    struct dirent *de;
-    int need_cleanup = 0;
-
-    d = opendir(task_path);
-    /* Bail early if cannot open the task directory */
-    if (d == NULL) {
-        XLOG("Cannot open /proc/%d/task\n", pid);
-        return false;
-    }
-    while ((de = readdir(d)) != NULL) {
-        unsigned new_tid;
-        /* Ignore "." and ".." */
-        if (!strcmp(de->d_name, ".") || !strcmp(de->d_name, "..")) 
-            continue;
-        new_tid = atoi(de->d_name);
-        /* The main thread at fault has been handled individually */
-        if (new_tid == tid)
-            continue;
-
-        /* Skip this thread if cannot ptrace it */
-        if (ptrace(PTRACE_ATTACH, new_tid, 0, 0) < 0)
-            continue;
-
-        dump_crash_report(tfd, pid, new_tid, false);
-        need_cleanup |= ptrace(PTRACE_DETACH, new_tid, 0, 0);
-    }
-    closedir(d);
-    return need_cleanup != 0;
-}
-
-/* Return true if some thread is not detached cleanly */
-static bool engrave_tombstone(unsigned pid, unsigned tid, int debug_uid, 
-                              int signal)
-{
-    int fd;
-    bool need_cleanup = false;
-
-    mkdir(TOMBSTONE_DIR, 0755);
-    chown(TOMBSTONE_DIR, AID_SYSTEM, AID_SYSTEM);
-
-    fd = find_and_open_tombstone();
-    if (fd < 0)
-        return need_cleanup;
-
-    dump_crash_banner(fd, pid, tid, signal);
-    dump_crash_report(fd, pid, tid, true);
-    /* 
-     * If the user has requested to attach gdb, don't collect the per-thread
-     * information as it increases the chance to lose track of the process.
-     */
-    if ((signed)pid > debug_uid) {
-        need_cleanup = dump_sibling_thread_report(fd, pid, tid);
-    }
-
-    close(fd);
-    return need_cleanup;
-}
-
-static int
-write_string(const char* file, const char* string)
-{
-    int len;
-    int fd;
-    ssize_t amt;
-    fd = open(file, O_RDWR);
-    len = strlen(string);
-    if (fd < 0)
-        return -errno;
-    amt = write(fd, string, len);
-    close(fd);
-    return amt >= 0 ? 0 : -errno;
-}
-
-static
-void init_debug_led(void)
-{
-    // trout leds
-    write_string("/sys/class/leds/red/brightness", "0");
-    write_string("/sys/class/leds/green/brightness", "0");
-    write_string("/sys/class/leds/blue/brightness", "0");
-    write_string("/sys/class/leds/red/device/blink", "0");
-    // sardine leds
-    write_string("/sys/class/leds/left/cadence", "0,0");
-}
-
-static
-void enable_debug_led(void)
-{
-    // trout leds
-    write_string("/sys/class/leds/red/brightness", "255");
-    // sardine leds
-    write_string("/sys/class/leds/left/cadence", "1,0");
-}
-
-static
-void disable_debug_led(void)
-{
-    // trout leds
-    write_string("/sys/class/leds/red/brightness", "0");
-    // sardine leds
-    write_string("/sys/class/leds/left/cadence", "0,0");
-}
-
-extern int init_getevent();
-extern void uninit_getevent();
-extern int get_event(struct input_event* event, int timeout);
-
-static void wait_for_user_action(unsigned tid, struct ucred* cr)
-{
-    (void)tid;
-    /* First log a helpful message */
-    LOG(    "********************************************************\n"
-            "* process %d crashed. debuggerd waiting for gdbserver   \n"
-            "*                                                       \n"
-            "*     adb shell gdbserver :port --attach %d &           \n"
-            "*                                                       \n"
-            "* and press the HOME key.                               \n"
-            "********************************************************\n",                
-            cr->pid, cr->pid);
-
-    /* wait for HOME key */
-    if (init_getevent() == 0) {
-        int ms = 1200 / 10;
-        int dit = 1;
-        int dah = 3*dit;
-        int _       = -dit;
-        int ___     = 3*_;
-        int _______ = 7*_;
-        const signed char codes[] = {
-           dit,_,dit,_,dit,___,dah,_,dah,_,dah,___,dit,_,dit,_,dit,_______
-        };
-        size_t s = 0;
-        struct input_event e;
-        int home = 0;
-        init_debug_led();
-        enable_debug_led();
-        do {
-            int timeout = abs((int)(codes[s])) * ms;
-            int res = get_event(&e, timeout);
-            if (res == 0) {
-                if (e.type==EV_KEY && e.code==KEY_HOME && e.value==0)
-                    home = 1;
-            } else if (res == 1) {
-                if (++s >= sizeof(codes)/sizeof(*codes))
-                    s = 0;
-                if (codes[s] > 0) {
-                    enable_debug_led();
-                } else {
-                    disable_debug_led();
-                }
-            }
-        } while (!home); 
-        uninit_getevent();
-    }
-
-    /* don't forget to turn debug led off */
-    disable_debug_led();
-    
-    /* close filedescriptor */
-    LOG("debuggerd resuming process %d", cr->pid);
- }
-
-static void handle_crashing_process(int fd)
-{
-    char buf[64];
-    struct stat s;
-    unsigned tid;
-    struct ucred cr;
-    int n, len, status; 
-    int tid_attach_status = -1;
-    unsigned retry = 30;
-    bool need_cleanup = false;
-
-    char value[PROPERTY_VALUE_MAX];
-    property_get("debug.db.uid", value, "-1");
-    int debug_uid = atoi(value);
-    
-    XLOG("handle_crashing_process(%d)\n", fd);
-    
-    len = sizeof(cr);
-    n = getsockopt(fd, SOL_SOCKET, SO_PEERCRED, &cr, &len);
-    if(n != 0) {
-        LOG("cannot get credentials\n");
-        goto done;
-    }
-
-    XLOG("reading tid\n");    
-    fcntl(fd, F_SETFL, O_NONBLOCK);
-    while((n = read(fd, &tid, sizeof(unsigned))) != sizeof(unsigned)) {
-        if(errno == EINTR) continue;
-        if(errno == EWOULDBLOCK) {
-            if(retry-- > 0) {
-                usleep(100 * 1000);
-                continue;
-            }
-            LOG("timed out reading tid\n");
-            goto done;
-        }
-        LOG("read failure? %s\n", strerror(errno));
-        goto done;
-    }
-
-    sprintf(buf,"/proc/%d/task/%d", cr.pid, tid);
-    if(stat(buf, &s)) {
-        LOG("tid %d does not exist in pid %d. ignorning debug request\n",
-            tid, cr.pid);
-        close(fd);
-        return;
-    }
-    
-    XLOG("BOOM: pid=%d uid=%d gid=%d tid=%d\n", cr.pid, cr.uid, cr.gid, tid);
-
-    tid_attach_status = ptrace(PTRACE_ATTACH, tid, 0, 0);
-    if(tid_attach_status < 0) {
-        LOG("ptrace attach failed: %s\n", strerror(errno));
-        goto done;
-    }
-
-    close(fd);
-    fd = -1;
-
-    for(;;) {
-        n = waitpid(tid, &status, __WALL);
-        
-        if(n < 0) {
-            if(errno == EAGAIN) continue;
-            LOG("waitpid failed: %s\n", strerror(errno));
-            goto done;
-        }
-
-        XLOG("waitpid: n=%d status=%08x\n", n, status);
-
-        if(WIFSTOPPED(status)){
-            n = WSTOPSIG(status);
-            switch(n) {
-            case SIGSTOP:
-                XLOG("stopped -- continuing\n");
-                n = ptrace(PTRACE_CONT, tid, 0, 0);
-                if(n) {
-                    LOG("ptrace failed: %s\n", strerror(errno));
-                    goto done;
-                }
-                continue;
-                
-            case SIGILL:
-            case SIGABRT:
-            case SIGBUS:
-            case SIGFPE:
-            case SIGSEGV:
-            case SIGSTKFLT: {
-                XLOG("stopped -- fatal signal\n");
-                need_cleanup = engrave_tombstone(cr.pid, tid, debug_uid, n);
-                kill(tid, SIGSTOP);
-                goto done;
-            }
-
-            default:
-                XLOG("stopped -- unexpected signal\n");
-                goto done;
-            }
-        } else {
-            XLOG("unexpected waitpid response\n");
-            goto done;
-        }
-    }
-    
-done:
-    XLOG("detaching\n");
-    
-    /* stop the process so we can debug */
-    kill(cr.pid, SIGSTOP);
-
-    /* 
-     * If a thread has been attached by ptrace, make sure it is detached 
-     * successfully otherwise we will get a zombie.
-     */ 
-    if (tid_attach_status == 0) {
-        int detach_status;
-        /* detach so we can attach gdbserver */
-        detach_status = ptrace(PTRACE_DETACH, tid, 0, 0);
-        need_cleanup |= (detach_status != 0);
-    }
-
-    /*
-     * if debug.db.uid is set, its value indicates if we should wait
-     * for user action for the crashing process.
-     * in this case, we log a message and turn the debug LED on
-     * waiting for a gdb connection (for instance)
-     */
-
-    if ((signed)cr.uid <= debug_uid) {
-        wait_for_user_action(tid, &cr);
-    }
-
-    /* resume stopped process (so it can crash in peace) */
-    kill(cr.pid, SIGCONT);
-
-    if (need_cleanup) {
-        LOG("debuggerd committing suicide to free the zombie!\n");
-        kill(getpid(), SIGKILL);
-    }
-
-    if(fd != -1) close(fd);
-}
-
-int main(int argc, char **argv)
-{
-    int s;
-    struct sigaction act;
-    
-    process_name_ptr = argv;
-    
-    logsocket = socket_local_client("logd", 
-            ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_DGRAM);
-    if(logsocket < 0) {
-        logsocket = -1;
-    } else {
-        fcntl(logsocket, F_SETFD, FD_CLOEXEC);
-    }
-
-    act.sa_handler = SIG_DFL;
-    sigemptyset(&act.sa_mask);
-    sigaddset(&act.sa_mask,SIGCHLD);
-    act.sa_flags = SA_NOCLDWAIT;
-    sigaction(SIGCHLD, &act, 0);
-    
-    s = socket_local_server("android:debuggerd", 
-            ANDROID_SOCKET_NAMESPACE_ABSTRACT, SOCK_STREAM);
-    if(s < 0) return -1;
-    fcntl(s, F_SETFD, FD_CLOEXEC);
-
-    LOG("debuggerd: " __DATE__ " " __TIME__ "\n");
-    
-    for(;;) {
-        struct sockaddr addr;
-        socklen_t alen;
-        int fd;
-        
-        alen = sizeof(addr);
-        fd = accept(s, &addr, &alen);
-        if(fd < 0) continue;
-        
-        fcntl(fd, F_SETFD, FD_CLOEXEC);
-
-        handle_crashing_process(fd);
-    }
-    return 0;
-}