Adding upstream version 115.7.0esr.upstream/115.7.0esr

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 2018 insertions, 0 deletions

diff --git a/toolkit/crashreporter/tools/python.ini b/toolkit/crashreporter/tools/python.ini
new file mode 100644
index 0000000000..d715bfe094
--- /dev/null
+++ b/toolkit/crashreporter/tools/python.ini
@@ -0,0 +1,3 @@
+[DEFAULT]
+
+[unit-symbolstore.py]
diff --git a/toolkit/crashreporter/tools/symbolstore.py b/toolkit/crashreporter/tools/symbolstore.py
new file mode 100755
index 0000000000..5dd5570a84
--- /dev/null
+++ b/toolkit/crashreporter/tools/symbolstore.py
@@ -0,0 +1,1096 @@
+#!/bin/env python
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# Usage: symbolstore.py <params> <dump_syms path> <symbol store path>
+#                                <debug info files or dirs>
+#   Runs dump_syms on each debug info file specified on the command line,
+#   then places the resulting symbol file in the proper directory
+#   structure in the symbol store path.  Accepts multiple files
+#   on the command line, so can be called as part of a pipe using
+#   find <dir> | xargs symbolstore.pl <dump_syms> <storepath>
+#   But really, you might just want to pass it <dir>.
+#
+#   Parameters accepted:
+#     -c           : Copy debug info files to the same directory structure
+#                    as sym files. On Windows, this will also copy
+#                    binaries into the symbol store.
+#     -a "<archs>" : Run dump_syms -a <arch> for each space separated
+#                    cpu architecture in <archs> (only on OS X)
+#     -s <srcdir>  : Use <srcdir> as the top source directory to
+#                    generate relative filenames.
+
+import ctypes
+import errno
+import os
+import platform
+import re
+import shutil
+import subprocess
+import sys
+import textwrap
+import time
+from optparse import OptionParser
+from pathlib import Path
+
+import buildconfig
+from mozbuild.generated_sources import (
+    GENERATED_SOURCE_EXTS,
+    get_filename_with_digest,
+    get_s3_region_and_bucket,
+)
+from mozbuild.util import memoize
+from mozpack import executables
+from mozpack.copier import FileRegistry
+from mozpack.manifests import InstallManifest, UnreadableInstallManifest
+
+# Utility classes
+
+
+class VCSFileInfo:
+    """A base class for version-controlled file information. Ensures that the
+    following attributes are generated only once (successfully):
+
+        self.root
+        self.clean_root
+        self.revision
+        self.filename
+
+    The attributes are generated by a single call to the GetRoot,
+    GetRevision, and GetFilename methods. Those methods are explicitly not
+    implemented here and must be implemented in derived classes."""
+
+    def __init__(self, file):
+        if not file:
+            raise ValueError
+        self.file = file
+
+    def __getattr__(self, name):
+        """__getattr__ is only called for attributes that are not set on self,
+        so setting self.[attr] will prevent future calls to the GetRoot,
+        GetRevision, and GetFilename methods. We don't set the values on
+        failure on the off chance that a future call might succeed."""
+
+        if name == "root":
+            root = self.GetRoot()
+            if root:
+                self.root = root
+            return root
+
+        elif name == "clean_root":
+            clean_root = self.GetCleanRoot()
+            if clean_root:
+                self.clean_root = clean_root
+            return clean_root
+
+        elif name == "revision":
+            revision = self.GetRevision()
+            if revision:
+                self.revision = revision
+            return revision
+
+        elif name == "filename":
+            filename = self.GetFilename()
+            if filename:
+                self.filename = filename
+            return filename
+
+        raise AttributeError
+
+    def GetRoot(self):
+        """This method should return the unmodified root for the file or 'None'
+        on failure."""
+        raise NotImplementedError
+
+    def GetCleanRoot(self):
+        """This method should return the repository root for the file or 'None'
+        on failure."""
+        raise NotImplementedError
+
+    def GetRevision(self):
+        """This method should return the revision number for the file or 'None'
+        on failure."""
+        raise NotImplementedError
+
+    def GetFilename(self):
+        """This method should return the repository-specific filename for the
+        file or 'None' on failure."""
+        raise NotImplementedError
+
+
+# This regex separates protocol and optional username/password from a url.
+# For instance, all the following urls will be transformed into
+# 'foo.com/bar':
+#
+#   http://foo.com/bar
+#   svn+ssh://user@foo.com/bar
+#   svn+ssh://user:pass@foo.com/bar
+#
+rootRegex = re.compile(r"^\S+?:/+(?:[^\s/]*@)?(\S+)$")
+
+
+def read_output(*args):
+    (stdout, _) = subprocess.Popen(
+        args=args, universal_newlines=True, stdout=subprocess.PIPE
+    ).communicate()
+    return stdout.rstrip()
+
+
+class HGRepoInfo:
+    def __init__(self, path):
+        self.path = path
+
+        rev = os.environ.get("MOZ_SOURCE_CHANGESET")
+        if not rev:
+            rev = read_output("hg", "-R", path, "parent", "--template={node}")
+
+        # Look for the default hg path. If MOZ_SOURCE_REPO is set, we
+        # don't bother asking hg.
+        hg_root = os.environ.get("MOZ_SOURCE_REPO")
+        if hg_root:
+            root = hg_root
+        else:
+            root = read_output("hg", "-R", path, "showconfig", "paths.default")
+            if not root:
+                print("Failed to get HG Repo for %s" % path, file=sys.stderr)
+        cleanroot = None
+        if root:
+            match = rootRegex.match(root)
+            if match:
+                cleanroot = match.group(1)
+                if cleanroot.endswith("/"):
+                    cleanroot = cleanroot[:-1]
+        if cleanroot is None:
+            print(
+                textwrap.dedent(
+                    """\
+            Could not determine repo info for %s.  This is either not a clone of the web-based
+            repository, or you have not specified MOZ_SOURCE_REPO, or the clone is corrupt."""
+                )
+                % path,
+                sys.stderr,
+            )
+            sys.exit(1)
+        self.rev = rev
+        self.root = root
+        self.cleanroot = cleanroot
+
+    def GetFileInfo(self, file):
+        return HGFileInfo(file, self)
+
+
+class HGFileInfo(VCSFileInfo):
+    def __init__(self, file, repo):
+        VCSFileInfo.__init__(self, file)
+        self.repo = repo
+        self.file = os.path.relpath(file, repo.path)
+
+    def GetRoot(self):
+        return self.repo.root
+
+    def GetCleanRoot(self):
+        return self.repo.cleanroot
+
+    def GetRevision(self):
+        return self.repo.rev
+
+    def GetFilename(self):
+        if self.revision and self.clean_root:
+            return "hg:%s:%s:%s" % (self.clean_root, self.file, self.revision)
+        return self.file
+
+
+class GitRepoInfo:
+    """
+    Info about a local git repository. Does not currently
+    support discovering info about a git clone, the info must be
+    provided out-of-band.
+    """
+
+    def __init__(self, path, rev, root):
+        self.path = path
+        cleanroot = None
+        if root:
+            match = rootRegex.match(root)
+            if match:
+                cleanroot = match.group(1)
+                if cleanroot.endswith("/"):
+                    cleanroot = cleanroot[:-1]
+        if cleanroot is None:
+            print(
+                textwrap.dedent(
+                    """\
+            Could not determine repo info for %s (%s).  This is either not a clone of a web-based
+            repository, or you have not specified MOZ_SOURCE_REPO, or the clone is corrupt."""
+                )
+                % (path, root),
+                file=sys.stderr,
+            )
+            sys.exit(1)
+        self.rev = rev
+        self.cleanroot = cleanroot
+
+    def GetFileInfo(self, file):
+        return GitFileInfo(file, self)
+
+
+class GitFileInfo(VCSFileInfo):
+    def __init__(self, file, repo):
+        VCSFileInfo.__init__(self, file)
+        self.repo = repo
+        self.file = os.path.relpath(file, repo.path)
+
+    def GetRoot(self):
+        return self.repo.path
+
+    def GetCleanRoot(self):
+        return self.repo.cleanroot
+
+    def GetRevision(self):
+        return self.repo.rev
+
+    def GetFilename(self):
+        if self.revision and self.clean_root:
+            return "git:%s:%s:%s" % (self.clean_root, self.file, self.revision)
+        return self.file
+
+
+# Utility functions
+
+
+# A cache of files for which VCS info has already been determined. Used to
+# prevent extra filesystem activity or process launching.
+vcsFileInfoCache = {}
+
+if platform.system() == "Windows":
+
+    def realpath(path):
+        """
+        Normalize a path using `GetFinalPathNameByHandleW` to get the
+        path with all components in the case they exist in on-disk, so
+        that making links to a case-sensitive server (hg.mozilla.org) works.
+
+        This function also resolves any symlinks in the path.
+        """
+        # Return the original path if something fails, which can happen for paths that
+        # don't exist on this system (like paths from the CRT).
+        result = path
+
+        ctypes.windll.kernel32.SetErrorMode(ctypes.c_uint(1))
+        handle = ctypes.windll.kernel32.CreateFileW(
+            path,
+            # GENERIC_READ
+            0x80000000,
+            # FILE_SHARE_READ
+            1,
+            None,
+            # OPEN_EXISTING
+            3,
+            # FILE_FLAG_BACKUP_SEMANTICS
+            # This is necessary to open
+            # directory handles.
+            0x02000000,
+            None,
+        )
+        if handle != -1:
+            size = ctypes.windll.kernel32.GetFinalPathNameByHandleW(handle, None, 0, 0)
+            buf = ctypes.create_unicode_buffer(size)
+            if (
+                ctypes.windll.kernel32.GetFinalPathNameByHandleW(handle, buf, size, 0)
+                > 0
+            ):
+                # The return value of GetFinalPathNameByHandleW uses the
+                # '\\?\' prefix.
+                result = buf.value[4:]
+            ctypes.windll.kernel32.CloseHandle(handle)
+        return result
+
+
+else:
+    # Just use the os.path version otherwise.
+    realpath = os.path.realpath
+
+
+def IsInDir(file, dir):
+    try:
+        Path(file).relative_to(dir)
+        return True
+    except ValueError:
+        return False
+
+
+def GetVCSFilenameFromSrcdir(file, srcdir):
+    if srcdir not in Dumper.srcdirRepoInfo:
+        # Not in cache, so find it adnd cache it
+        if os.path.isdir(os.path.join(srcdir, ".hg")):
+            Dumper.srcdirRepoInfo[srcdir] = HGRepoInfo(srcdir)
+        else:
+            # Unknown VCS or file is not in a repo.
+            return None
+    return Dumper.srcdirRepoInfo[srcdir].GetFileInfo(file)
+
+
+def GetVCSFilename(file, srcdirs):
+    """Given a full path to a file, and the top source directory,
+    look for version control information about this file, and return
+    a tuple containing
+    1) a specially formatted filename that contains the VCS type,
+    VCS location, relative filename, and revision number, formatted like:
+    vcs:vcs location:filename:revision
+    For example:
+    cvs:cvs.mozilla.org/cvsroot:mozilla/browser/app/nsBrowserApp.cpp:1.36
+    2) the unmodified root information if it exists"""
+    (path, filename) = os.path.split(file)
+    if path == "" or filename == "":
+        return (file, None)
+
+    fileInfo = None
+    root = ""
+    if file in vcsFileInfoCache:
+        # Already cached this info, use it.
+        fileInfo = vcsFileInfoCache[file]
+    else:
+        for srcdir in srcdirs:
+            if not IsInDir(file, srcdir):
+                continue
+            fileInfo = GetVCSFilenameFromSrcdir(file, srcdir)
+            if fileInfo:
+                vcsFileInfoCache[file] = fileInfo
+                break
+
+    if fileInfo:
+        file = fileInfo.filename
+        root = fileInfo.root
+
+    # we want forward slashes on win32 paths
+    return (file.replace("\\", "/"), root)
+
+
+def validate_install_manifests(install_manifest_args):
+    args = []
+    for arg in install_manifest_args:
+        bits = arg.split(",")
+        if len(bits) != 2:
+            raise ValueError(
+                "Invalid format for --install-manifest: " "specify manifest,target_dir"
+            )
+        manifest_file, destination = [os.path.abspath(b) for b in bits]
+        if not os.path.isfile(manifest_file):
+            raise IOError(errno.ENOENT, "Manifest file not found", manifest_file)
+        if not os.path.isdir(destination):
+            raise IOError(errno.ENOENT, "Install directory not found", destination)
+        try:
+            manifest = InstallManifest(manifest_file)
+        except UnreadableInstallManifest:
+            raise IOError(errno.EINVAL, "Error parsing manifest file", manifest_file)
+        args.append((manifest, destination))
+    return args
+
+
+def make_file_mapping(install_manifests):
+    file_mapping = {}
+    for manifest, destination in install_manifests:
+        destination = os.path.abspath(destination)
+        reg = FileRegistry()
+        manifest.populate_registry(reg)
+        for dst, src in reg:
+            if hasattr(src, "path"):
+                # Any paths that get compared to source file names need to go through realpath.
+                abs_dest = realpath(os.path.join(destination, dst))
+                file_mapping[abs_dest] = realpath(src.path)
+    return file_mapping
+
+
+@memoize
+def get_generated_file_s3_path(filename, rel_path, bucket):
+    """Given a filename, return a path formatted similarly to
+    GetVCSFilename but representing a file available in an s3 bucket."""
+    with open(filename, "rb") as f:
+        path = get_filename_with_digest(rel_path, f.read())
+        return "s3:{bucket}:{path}:".format(bucket=bucket, path=path)
+
+
+def GetPlatformSpecificDumper(**kwargs):
+    """This function simply returns a instance of a subclass of Dumper
+    that is appropriate for the current platform."""
+    return {"WINNT": Dumper_Win32, "Linux": Dumper_Linux, "Darwin": Dumper_Mac}[
+        buildconfig.substs["OS_ARCH"]
+    ](**kwargs)
+
+
+def SourceIndex(fileStream, outputPath, vcs_root, s3_bucket):
+    """Takes a list of files, writes info to a data block in a .stream file"""
+    # Creates a .pdb.stream file in the mozilla\objdir to be used for source indexing
+    # Create the srcsrv data block that indexes the pdb file
+    result = True
+    pdbStreamFile = open(outputPath, "w")
+    pdbStreamFile.write(
+        "SRCSRV: ini ------------------------------------------------\r\n"
+        + "VERSION=2\r\n"
+        + "INDEXVERSION=2\r\n"
+        + "VERCTRL=http\r\n"
+        + "SRCSRV: variables ------------------------------------------\r\n"
+        + "SRCSRVVERCTRL=http\r\n"
+        + "RUST_GITHUB_TARGET=https://github.com/rust-lang/rust/raw/%var4%/%var3%\r\n"
+    )
+    pdbStreamFile.write("HGSERVER=" + vcs_root + "\r\n")
+    pdbStreamFile.write("HG_TARGET=%hgserver%/raw-file/%var4%/%var3%\r\n")
+
+    if s3_bucket:
+        pdbStreamFile.write("S3_BUCKET=" + s3_bucket + "\r\n")
+        pdbStreamFile.write("S3_TARGET=https://%s3_bucket%.s3.amazonaws.com/%var3%\r\n")
+
+    # Allow each entry to choose its template via "var2".
+    # Possible values for var2 are: HG_TARGET / S3_TARGET / RUST_GITHUB_TARGET
+    pdbStreamFile.write("SRCSRVTRG=%fnvar%(%var2%)\r\n")
+
+    pdbStreamFile.write(
+        "SRCSRV: source files ---------------------------------------\r\n"
+    )
+    pdbStreamFile.write(fileStream)
+    pdbStreamFile.write(
+        "SRCSRV: end ------------------------------------------------\r\n\n"
+    )
+    pdbStreamFile.close()
+    return result
+
+
+class Dumper:
+    """This class can dump symbols from a file with debug info, and
+    store the output in a directory structure that is valid for use as
+    a Breakpad symbol server.  Requires a path to a dump_syms binary--
+    |dump_syms| and a directory to store symbols in--|symbol_path|.
+    Optionally takes a list of processor architectures to process from
+    each debug file--|archs|, the full path to the top source
+    directory--|srcdir|, for generating relative source file names,
+    and an option to copy debug info files alongside the dumped
+    symbol files--|copy_debug|, mostly useful for creating a
+    Microsoft Symbol Server from the resulting output.
+
+    You don't want to use this directly if you intend to process files.
+    Instead, call GetPlatformSpecificDumper to get an instance of a
+    subclass."""
+
+    srcdirRepoInfo = {}
+
+    def __init__(
+        self,
+        dump_syms,
+        symbol_path,
+        archs=None,
+        srcdirs=[],
+        copy_debug=False,
+        vcsinfo=False,
+        srcsrv=False,
+        s3_bucket=None,
+        file_mapping=None,
+    ):
+        # popen likes absolute paths, at least on windows
+        self.dump_syms = os.path.abspath(dump_syms)
+        self.symbol_path = symbol_path
+        if archs is None:
+            # makes the loop logic simpler
+            self.archs = [""]
+        else:
+            self.archs = ["-a %s" % a for a in archs.split()]
+        # Any paths that get compared to source file names need to go through realpath.
+        self.srcdirs = [realpath(s) for s in srcdirs]
+        self.copy_debug = copy_debug
+        self.vcsinfo = vcsinfo
+        self.srcsrv = srcsrv
+        self.s3_bucket = s3_bucket
+        self.file_mapping = file_mapping or {}
+        # Add a static mapping for Rust sources. Since Rust 1.30 official Rust builds map
+        # source paths to start with "/rust/<sha>/".
+        rust_sha = buildconfig.substs["RUSTC_COMMIT"]
+        rust_srcdir = "/rustc/" + rust_sha
+        self.srcdirs.append(rust_srcdir)
+        Dumper.srcdirRepoInfo[rust_srcdir] = GitRepoInfo(
+            rust_srcdir, rust_sha, "https://github.com/rust-lang/rust/"
+        )
+
+    # subclasses override this
+    def ShouldProcess(self, file):
+        return True
+
+    # This is a no-op except on Win32
+    def SourceServerIndexing(
+        self, debug_file, guid, sourceFileStream, vcs_root, s3_bucket
+    ):
+        return ""
+
+    # subclasses override this if they want to support this
+    def CopyExeAndDebugInfo(self, file, debug_file, guid, code_file, code_id):
+        """This function will copy a library or executable and the file holding the
+        debug information to |symbol_path|"""
+        pass
+
+    def Process(self, file_to_process, count_ctors=False):
+        """Process the given file."""
+        if self.ShouldProcess(os.path.abspath(file_to_process)):
+            self.ProcessFile(file_to_process, count_ctors=count_ctors)
+
+    def ProcessFile(self, file, dsymbundle=None, count_ctors=False):
+        """Dump symbols from these files into a symbol file, stored
+        in the proper directory structure in  |symbol_path|; processing is performed
+        asynchronously, and Finish must be called to wait for it complete and cleanup.
+        All files after the first are fallbacks in case the first file does not process
+        successfully; if it does, no other files will be touched."""
+        print("Beginning work for file: %s" % file, file=sys.stderr)
+
+        # tries to get the vcs root from the .mozconfig first - if it's not set
+        # the tinderbox vcs path will be assigned further down
+        vcs_root = os.environ.get("MOZ_SOURCE_REPO")
+        for arch_num, arch in enumerate(self.archs):
+            self.ProcessFileWork(
+                file, arch_num, arch, vcs_root, dsymbundle, count_ctors=count_ctors
+            )
+
+    def dump_syms_cmdline(self, file, arch, dsymbundle=None):
+        """
+        Get the commandline used to invoke dump_syms.
+        """
+        # The Mac dumper overrides this.
+        return [self.dump_syms, "--inlines", file]
+
+    def ProcessFileWork(
+        self, file, arch_num, arch, vcs_root, dsymbundle=None, count_ctors=False
+    ):
+        ctors = 0
+        t_start = time.time()
+        print("Processing file: %s" % file, file=sys.stderr)
+
+        sourceFileStream = ""
+        code_id, code_file = None, None
+        try:
+            cmd = self.dump_syms_cmdline(file, arch, dsymbundle=dsymbundle)
+            print(" ".join(cmd), file=sys.stderr)
+            proc = subprocess.Popen(
+                cmd,
+                universal_newlines=True,
+                stdout=subprocess.PIPE,
+            )
+            try:
+                module_line = next(proc.stdout)
+            except StopIteration:
+                module_line = ""
+            if module_line.startswith("MODULE"):
+                # MODULE os cpu guid debug_file
+                (guid, debug_file) = (module_line.split())[3:5]
+                # strip off .pdb extensions, and append .sym
+                sym_file = re.sub("\.pdb$", "", debug_file) + ".sym"
+                # we do want forward slashes here
+                rel_path = os.path.join(debug_file, guid, sym_file).replace("\\", "/")
+                full_path = os.path.normpath(os.path.join(self.symbol_path, rel_path))
+                try:
+                    os.makedirs(os.path.dirname(full_path))
+                except OSError:  # already exists
+                    pass
+                f = open(full_path, "w")
+                f.write(module_line)
+                # now process the rest of the output
+                for line in proc.stdout:
+                    if line.startswith("FILE"):
+                        # FILE index filename
+                        (x, index, filename) = line.rstrip().split(None, 2)
+                        # We want original file paths for the source server.
+                        sourcepath = filename
+                        filename = realpath(filename)
+                        if filename in self.file_mapping:
+                            filename = self.file_mapping[filename]
+                        if self.vcsinfo:
+                            try:
+                                gen_path = Path(filename)
+                                rel_gen_path = gen_path.relative_to(
+                                    buildconfig.topobjdir
+                                )
+                            except ValueError:
+                                gen_path = None
+                            if (
+                                gen_path
+                                and gen_path.exists()
+                                and gen_path.suffix in GENERATED_SOURCE_EXTS
+                                and self.s3_bucket
+                            ):
+                                filename = get_generated_file_s3_path(
+                                    filename, str(rel_gen_path), self.s3_bucket
+                                )
+                                rootname = ""
+                            else:
+                                (filename, rootname) = GetVCSFilename(
+                                    filename, self.srcdirs
+                                )
+                            # sets vcs_root in case the loop through files were to end
+                            # on an empty rootname
+                            if vcs_root is None:
+                                if rootname:
+                                    vcs_root = rootname
+                        # Emit an entry for the file mapping for the srcsrv stream
+                        if filename.startswith("hg:"):
+                            (vcs, repo, source_file, revision) = filename.split(":", 3)
+                            sourceFileStream += sourcepath + "*HG_TARGET*" + source_file
+                            sourceFileStream += "*" + revision + "\r\n"
+                        elif filename.startswith("s3:"):
+                            (vcs, bucket, source_file, nothing) = filename.split(":", 3)
+                            sourceFileStream += sourcepath + "*S3_TARGET*"
+                            sourceFileStream += source_file + "\r\n"
+                        elif filename.startswith("git:github.com/rust-lang/rust:"):
+                            (vcs, repo, source_file, revision) = filename.split(":", 3)
+                            sourceFileStream += sourcepath + "*RUST_GITHUB_TARGET*"
+                            sourceFileStream += source_file + "*" + revision + "\r\n"
+                        f.write("FILE %s %s\n" % (index, filename))
+                    elif line.startswith("INFO CODE_ID "):
+                        # INFO CODE_ID code_id code_file
+                        # This gives some info we can use to
+                        # store binaries in the symbol store.
+                        bits = line.rstrip().split(None, 3)
+                        if len(bits) == 4:
+                            code_id, code_file = bits[2:]
+                        f.write(line)
+                    else:
+                        if count_ctors and line.startswith("FUNC "):
+                            # Static initializers, as created by clang and gcc
+                            # have symbols that start with "_GLOBAL_sub"
+                            if "_GLOBAL__sub_" in line:
+                                ctors += 1
+                            # MSVC creates `dynamic initializer for '...'`
+                            # symbols.
+                            elif "`dynamic initializer for '" in line:
+                                ctors += 1
+
+                        # pass through all other lines unchanged
+                        f.write(line)
+                f.close()
+                retcode = proc.wait()
+                if retcode != 0:
+                    raise RuntimeError(
+                        "dump_syms failed with error code %d while processing %s\n"
+                        % (retcode, file)
+                    )
+                # we output relative paths so callers can get a list of what
+                # was generated
+                print(rel_path)
+                if self.srcsrv and vcs_root:
+                    # add source server indexing to the pdb file
+                    self.SourceServerIndexing(
+                        debug_file, guid, sourceFileStream, vcs_root, self.s3_bucket
+                    )
+                # only copy debug the first time if we have multiple architectures
+                if self.copy_debug and arch_num == 0:
+                    self.CopyExeAndDebugInfo(file, debug_file, guid, code_file, code_id)
+            else:
+                # For some reason, we didn't see the MODULE line as the first
+                # line of output, this is strictly required so fail irrespective
+                # of the process' return code.
+                retcode = proc.wait()
+                message = [
+                    "dump_syms failed to produce the expected output",
+                    "file: %s" % file,
+                    "return code: %d" % retcode,
+                    "first line of output: %s" % module_line,
+                ]
+                raise RuntimeError("\n----------\n".join(message))
+        except Exception as e:
+            print("Unexpected error: %s" % str(e), file=sys.stderr)
+            raise
+
+        if dsymbundle:
+            shutil.rmtree(dsymbundle)
+
+        if count_ctors:
+            import json
+
+            perfherder_data = {
+                "framework": {"name": "build_metrics"},
+                "suites": [
+                    {
+                        "name": "compiler_metrics",
+                        "subtests": [
+                            {
+                                "name": "num_static_constructors",
+                                "value": ctors,
+                                "alertChangeType": "absolute",
+                                "alertThreshold": 3,
+                            }
+                        ],
+                    }
+                ],
+            }
+            perfherder_extra_options = os.environ.get("PERFHERDER_EXTRA_OPTIONS", "")
+            for opt in perfherder_extra_options.split():
+                for suite in perfherder_data["suites"]:
+                    if opt not in suite.get("extraOptions", []):
+                        suite.setdefault("extraOptions", []).append(opt)
+
+            if "asan" not in perfherder_extra_options.lower():
+                print(
+                    "PERFHERDER_DATA: %s" % json.dumps(perfherder_data), file=sys.stderr
+                )
+
+        elapsed = time.time() - t_start
+        print("Finished processing %s in %.2fs" % (file, elapsed), file=sys.stderr)
+
+
+# Platform-specific subclasses.  For the most part, these just have
+# logic to determine what files to extract symbols from.
+
+
+def locate_pdb(path):
+    """Given a path to a binary, attempt to locate the matching pdb file with simple heuristics:
+    * Look for a pdb file with the same base name next to the binary
+    * Look for a pdb file with the same base name in the cwd
+
+    Returns the path to the pdb file if it exists, or None if it could not be located.
+    """
+    path, ext = os.path.splitext(path)
+    pdb = path + ".pdb"
+    if os.path.isfile(pdb):
+        return pdb
+    # If there's no pdb next to the file, see if there's a pdb with the same root name
+    # in the cwd. We build some binaries directly into dist/bin, but put the pdb files
+    # in the relative objdir, which is the cwd when running this script.
+    base = os.path.basename(pdb)
+    pdb = os.path.join(os.getcwd(), base)
+    if os.path.isfile(pdb):
+        return pdb
+    return None
+
+
+class Dumper_Win32(Dumper):
+    fixedFilenameCaseCache = {}
+
+    def ShouldProcess(self, file):
+        """This function will allow processing of exe or dll files that have pdb
+        files with the same base name next to them."""
+        if file.endswith(".exe") or file.endswith(".dll"):
+            if locate_pdb(file) is not None:
+                return True
+        return False
+
+    def CopyExeAndDebugInfo(self, file, debug_file, guid, code_file, code_id):
+        """This function will copy the executable or dll and pdb files to |symbol_path|"""
+        pdb_file = locate_pdb(file)
+
+        rel_path = os.path.join(debug_file, guid, debug_file).replace("\\", "/")
+        full_path = os.path.normpath(os.path.join(self.symbol_path, rel_path))
+        shutil.copyfile(pdb_file, full_path)
+        print(rel_path)
+
+        # Copy the binary file as well
+        if code_file and code_id:
+            full_code_path = os.path.join(os.path.dirname(file), code_file)
+            if os.path.exists(full_code_path):
+                rel_path = os.path.join(code_file, code_id, code_file).replace(
+                    "\\", "/"
+                )
+                full_path = os.path.normpath(os.path.join(self.symbol_path, rel_path))
+                try:
+                    os.makedirs(os.path.dirname(full_path))
+                except OSError as e:
+                    if e.errno != errno.EEXIST:
+                        raise
+                shutil.copyfile(full_code_path, full_path)
+                print(rel_path)
+
+    def SourceServerIndexing(
+        self, debug_file, guid, sourceFileStream, vcs_root, s3_bucket
+    ):
+        # Creates a .pdb.stream file in the mozilla\objdir to be used for source indexing
+        streamFilename = debug_file + ".stream"
+        stream_output_path = os.path.abspath(streamFilename)
+        # Call SourceIndex to create the .stream file
+        result = SourceIndex(sourceFileStream, stream_output_path, vcs_root, s3_bucket)
+        if self.copy_debug:
+            pdbstr = buildconfig.substs["PDBSTR"]
+            wine = buildconfig.substs.get("WINE")
+            if wine:
+                cmd = [wine, pdbstr]
+            else:
+                cmd = [pdbstr]
+            subprocess.call(
+                cmd
+                + [
+                    "-w",
+                    "-p:" + os.path.basename(debug_file),
+                    "-i:" + os.path.basename(streamFilename),
+                    "-s:srcsrv",
+                ],
+                cwd=os.path.dirname(stream_output_path),
+            )
+            # clean up all the .stream files when done
+            os.remove(stream_output_path)
+        return result
+
+
+class Dumper_Linux(Dumper):
+    objcopy = os.environ["OBJCOPY"] if "OBJCOPY" in os.environ else "objcopy"
+
+    def ShouldProcess(self, file):
+        """This function will allow processing of files that are
+        executable, or end with the .so extension, and additionally
+        file(1) reports as being ELF files.  It expects to find the file
+        command in PATH."""
+        if file.endswith(".so") or os.access(file, os.X_OK):
+            return executables.get_type(file) == executables.ELF
+        return False
+
+    def CopyExeAndDebugInfo(self, file, debug_file, guid, code_file, code_id):
+        # We want to strip out the debug info, and add a
+        # .gnu_debuglink section to the object, so the debugger can
+        # actually load our debug info later.
+        # In some odd cases, the object might already have an irrelevant
+        # .gnu_debuglink section, and objcopy doesn't want to add one in
+        # such cases, so we make it remove it any existing one first.
+        file_dbg = file + ".dbg"
+        if (
+            subprocess.call([self.objcopy, "--only-keep-debug", file, file_dbg]) == 0
+            and subprocess.call(
+                [
+                    self.objcopy,
+                    "--remove-section",
+                    ".gnu_debuglink",
+                    "--add-gnu-debuglink=%s" % file_dbg,
+                    file,
+                ]
+            )
+            == 0
+        ):
+            rel_path = os.path.join(debug_file, guid, debug_file + ".dbg")
+            full_path = os.path.normpath(os.path.join(self.symbol_path, rel_path))
+            shutil.move(file_dbg, full_path)
+            print(rel_path)
+        else:
+            if os.path.isfile(file_dbg):
+                os.unlink(file_dbg)
+
+
+class Dumper_Solaris(Dumper):
+    def ShouldProcess(self, file):
+        """This function will allow processing of files that are
+        executable, or end with the .so extension, and additionally
+        file(1) reports as being ELF files.  It expects to find the file
+        command in PATH."""
+        if file.endswith(".so") or os.access(file, os.X_OK):
+            return executables.get_type(file) == executables.ELF
+        return False
+
+
+class Dumper_Mac(Dumper):
+    def ShouldProcess(self, file):
+        """This function will allow processing of files that are
+        executable, or end with the .dylib extension, and additionally
+        file(1) reports as being Mach-O files.  It expects to find the file
+        command in PATH."""
+        if file.endswith(".dylib") or os.access(file, os.X_OK):
+            return executables.get_type(file) == executables.MACHO
+        return False
+
+    def ProcessFile(self, file, count_ctors=False):
+        print("Starting Mac pre-processing on file: %s" % file, file=sys.stderr)
+        dsymbundle = self.GenerateDSYM(file)
+        if dsymbundle:
+            # kick off new jobs per-arch with our new list of files
+            Dumper.ProcessFile(
+                self, file, dsymbundle=dsymbundle, count_ctors=count_ctors
+            )
+
+    def dump_syms_cmdline(self, file, arch, dsymbundle=None):
+        """
+        Get the commandline used to invoke dump_syms.
+        """
+        # dump_syms wants the path to the original binary and the .dSYM
+        # in order to dump all the symbols.
+        if dsymbundle:
+            # This is the .dSYM bundle.
+            return (
+                [self.dump_syms]
+                + arch.split()
+                + ["--inlines", "-j", "2", dsymbundle, file]
+            )
+        return Dumper.dump_syms_cmdline(self, file, arch)
+
+    def GenerateDSYM(self, file):
+        """dump_syms on Mac needs to be run on a dSYM bundle produced
+        by dsymutil(1), so run dsymutil here and pass the bundle name
+        down to the superclass method instead."""
+        t_start = time.time()
+        print("Running Mac pre-processing on file: %s" % (file,), file=sys.stderr)
+
+        dsymbundle = file + ".dSYM"
+        if os.path.exists(dsymbundle):
+            shutil.rmtree(dsymbundle)
+        dsymutil = buildconfig.substs["DSYMUTIL"]
+        # dsymutil takes --arch=foo instead of -a foo like everything else
+        cmd = (
+            [dsymutil] + [a.replace("-a ", "--arch=") for a in self.archs if a] + [file]
+        )
+        print(" ".join(cmd), file=sys.stderr)
+
+        dsymutil_proc = subprocess.Popen(
+            cmd, universal_newlines=True, stdout=subprocess.PIPE, stderr=subprocess.PIPE
+        )
+        dsymout, dsymerr = dsymutil_proc.communicate()
+        if dsymutil_proc.returncode != 0:
+            raise RuntimeError("Error running dsymutil: %s" % dsymerr)
+
+        # Regular dsymutil won't produce a .dSYM for files without symbols.
+        if not os.path.exists(dsymbundle):
+            print("No symbols found in file: %s" % (file,), file=sys.stderr)
+            return False
+
+        # llvm-dsymutil will produce a .dSYM for files without symbols or
+        # debug information, but only sometimes will it warn you about this.
+        # We don't want to run dump_syms on such bundles, because asserts
+        # will fire in debug mode and who knows what will happen in release.
+        #
+        # So we check for the error message and bail if it appears.  If it
+        # doesn't, we carefully check the bundled DWARF to see if dump_syms
+        # will be OK with it.
+        if "warning: no debug symbols in" in dsymerr:
+            print(dsymerr, file=sys.stderr)
+            return False
+
+        contents_dir = os.path.join(dsymbundle, "Contents", "Resources", "DWARF")
+        if not os.path.exists(contents_dir):
+            print(
+                "No DWARF information in .dSYM bundle %s" % (dsymbundle,),
+                file=sys.stderr,
+            )
+            return False
+
+        files = os.listdir(contents_dir)
+        if len(files) != 1:
+            print("Unexpected files in .dSYM bundle %s" % (files,), file=sys.stderr)
+            return False
+
+        otool_out = subprocess.check_output(
+            [buildconfig.substs["OTOOL"], "-l", os.path.join(contents_dir, files[0])],
+            universal_newlines=True,
+        )
+        if "sectname __debug_info" not in otool_out:
+            print("No symbols in .dSYM bundle %s" % (dsymbundle,), file=sys.stderr)
+            return False
+
+        elapsed = time.time() - t_start
+        print("Finished processing %s in %.2fs" % (file, elapsed), file=sys.stderr)
+        return dsymbundle
+
+    def CopyExeAndDebugInfo(self, file, debug_file, guid, code_file, code_id):
+        """ProcessFile has already produced a dSYM bundle, so we should just
+        copy that to the destination directory. However, we'll package it
+        into a .tar because it's a bundle, so it's a directory. |file| here is
+        the original filename."""
+        dsymbundle = file + ".dSYM"
+        rel_path = os.path.join(debug_file, guid, os.path.basename(dsymbundle) + ".tar")
+        full_path = os.path.abspath(os.path.join(self.symbol_path, rel_path))
+        success = subprocess.call(
+            ["tar", "cf", full_path, os.path.basename(dsymbundle)],
+            cwd=os.path.dirname(dsymbundle),
+            stdout=open(os.devnull, "w"),
+            stderr=subprocess.STDOUT,
+        )
+        if success == 0 and os.path.exists(full_path):
+            print(rel_path)
+
+
+# Entry point if called as a standalone program
+
+
+def main():
+    parser = OptionParser(
+        usage="usage: %prog [options] <dump_syms binary> <symbol store path> <debug info files>"
+    )
+    parser.add_option(
+        "-c",
+        "--copy",
+        action="store_true",
+        dest="copy_debug",
+        default=False,
+        help="Copy debug info files into the same directory structure as symbol files",
+    )
+    parser.add_option(
+        "-a",
+        "--archs",
+        action="store",
+        dest="archs",
+        help="Run dump_syms -a <arch> for each space separated"
+        + "cpu architecture in ARCHS (only on OS X)",
+    )
+    parser.add_option(
+        "-s",
+        "--srcdir",
+        action="append",
+        dest="srcdir",
+        default=[],
+        help="Use SRCDIR to determine relative paths to source files",
+    )
+    parser.add_option(
+        "-v",
+        "--vcs-info",
+        action="store_true",
+        dest="vcsinfo",
+        help="Try to retrieve VCS info for each FILE listed in the output",
+    )
+    parser.add_option(
+        "-i",
+        "--source-index",
+        action="store_true",
+        dest="srcsrv",
+        default=False,
+        help="Add source index information to debug files, making them suitable"
+        + " for use in a source server.",
+    )
+    parser.add_option(
+        "--install-manifest",
+        action="append",
+        dest="install_manifests",
+        default=[],
+        help="""Use this install manifest to map filenames back
+to canonical locations in the source repository. Specify
+<install manifest filename>,<install destination> as a comma-separated pair.""",
+    )
+    parser.add_option(
+        "--count-ctors",
+        action="store_true",
+        dest="count_ctors",
+        default=False,
+        help="Count static initializers",
+    )
+    (options, args) = parser.parse_args()
+
+    # check to see if the pdbstr.exe exists
+    if options.srcsrv:
+        if "PDBSTR" not in buildconfig.substs:
+            print("pdbstr was not found by configure.\n", file=sys.stderr)
+            sys.exit(1)
+
+    if len(args) < 3:
+        parser.error("not enough arguments")
+        exit(1)
+
+    try:
+        manifests = validate_install_manifests(options.install_manifests)
+    except (IOError, ValueError) as e:
+        parser.error(str(e))
+        exit(1)
+    file_mapping = make_file_mapping(manifests)
+    _, bucket = get_s3_region_and_bucket()
+    dumper = GetPlatformSpecificDumper(
+        dump_syms=args[0],
+        symbol_path=args[1],
+        copy_debug=options.copy_debug,
+        archs=options.archs,
+        srcdirs=options.srcdir,
+        vcsinfo=options.vcsinfo,
+        srcsrv=options.srcsrv,
+        s3_bucket=bucket,
+        file_mapping=file_mapping,
+    )
+
+    dumper.Process(args[2], options.count_ctors)
+
+
+# run main if run directly
+if __name__ == "__main__":
+    main()
diff --git a/toolkit/crashreporter/tools/unit-symbolstore.py b/toolkit/crashreporter/tools/unit-symbolstore.py
new file mode 100755
index 0000000000..ed59b012bb
--- /dev/null
+++ b/toolkit/crashreporter/tools/unit-symbolstore.py
@@ -0,0 +1,613 @@
+#!/usr/bin/env python
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+import os
+import shutil
+import struct
+import subprocess
+import sys
+import tempfile
+import unittest
+from unittest import mock
+from unittest.mock import patch
+
+import buildconfig
+import mozpack.path as mozpath
+import mozunit
+import symbolstore
+from mozpack.manifests import InstallManifest
+from symbolstore import realpath
+
+# Some simple functions to mock out files that the platform-specific dumpers will accept.
+# dump_syms itself will not be run (we mock that call out), but we can't override
+# the ShouldProcessFile method since we actually want to test that.
+
+
+def write_elf(filename):
+    open(filename, "wb").write(
+        struct.pack("<7B45x", 0x7F, ord("E"), ord("L"), ord("F"), 1, 1, 1)
+    )
+
+
+def write_macho(filename):
+    open(filename, "wb").write(struct.pack("<I28x", 0xFEEDFACE))
+
+
+def write_dll(filename):
+    open(filename, "w").write("aaa")
+    # write out a fake PDB too
+    open(os.path.splitext(filename)[0] + ".pdb", "w").write("aaa")
+
+
+def target_platform():
+    return buildconfig.substs["OS_TARGET"]
+
+
+def host_platform():
+    return buildconfig.substs["HOST_OS_ARCH"]
+
+
+writer = {
+    "WINNT": write_dll,
+    "Linux": write_elf,
+    "Sunos5": write_elf,
+    "Darwin": write_macho,
+}[target_platform()]
+extension = {"WINNT": ".dll", "Linux": ".so", "Sunos5": ".so", "Darwin": ".dylib"}[
+    target_platform()
+]
+file_output = [
+    {"WINNT": "bogus data", "Linux": "ELF executable", "Darwin": "Mach-O executable"}[
+        target_platform()
+    ]
+]
+
+
+def add_extension(files):
+    return [f + extension for f in files]
+
+
+class HelperMixin(object):
+    """
+    Test that passing filenames to exclude from processing works.
+    """
+
+    def setUp(self):
+        self.test_dir = tempfile.mkdtemp()
+        if not self.test_dir.endswith(os.sep):
+            self.test_dir += os.sep
+        symbolstore.srcdirRepoInfo = {}
+        symbolstore.vcsFileInfoCache = {}
+
+        # Remove environment variables that can influence tests.
+        for e in ("MOZ_SOURCE_CHANGESET", "MOZ_SOURCE_REPO"):
+            try:
+                del os.environ[e]
+            except KeyError:
+                pass
+
+    def tearDown(self):
+        shutil.rmtree(self.test_dir)
+        symbolstore.srcdirRepoInfo = {}
+        symbolstore.vcsFileInfoCache = {}
+
+    def make_dirs(self, f):
+        d = os.path.dirname(f)
+        if d and not os.path.exists(d):
+            os.makedirs(d)
+
+    def make_file(self, path):
+        self.make_dirs(path)
+        with open(path, "wb"):
+            pass
+
+    def add_test_files(self, files):
+        for f in files:
+            f = os.path.join(self.test_dir, f)
+            self.make_dirs(f)
+            writer(f)
+
+
+def mock_dump_syms(module_id, filename, extra=[]):
+    return (
+        ["MODULE os x86 %s %s" % (module_id, filename)]
+        + extra
+        + ["FILE 0 foo.c", "PUBLIC xyz 123"]
+    )
+
+
+class TestCopyDebug(HelperMixin, unittest.TestCase):
+    def setUp(self):
+        HelperMixin.setUp(self)
+        self.symbol_dir = tempfile.mkdtemp()
+        self.mock_call = patch("subprocess.call").start()
+        self.stdouts = []
+        self.mock_popen = patch("subprocess.Popen").start()
+        stdout_iter = self.next_mock_stdout()
+
+        def next_popen(*args, **kwargs):
+            m = mock.MagicMock()
+            # Get the iterators over whatever output was provided.
+            stdout_ = next(stdout_iter)
+            # Eager evaluation for communicate(), below.
+            stdout_ = list(stdout_)
+            # stdout is really an iterator, so back to iterators we go.
+            m.stdout = iter(stdout_)
+            m.wait.return_value = 0
+            # communicate returns the full text of stdout and stderr.
+            m.communicate.return_value = ("\n".join(stdout_), "")
+            return m
+
+        self.mock_popen.side_effect = next_popen
+        shutil.rmtree = patch("shutil.rmtree").start()
+
+    def tearDown(self):
+        HelperMixin.tearDown(self)
+        patch.stopall()
+        shutil.rmtree(self.symbol_dir)
+
+    def next_mock_stdout(self):
+        if not self.stdouts:
+            yield iter([])
+        for s in self.stdouts:
+            yield iter(s)
+
+    def test_copy_debug_universal(self):
+        """
+        Test that dumping symbols for multiple architectures only copies debug symbols once
+        per file.
+        """
+        copied = []
+
+        def mock_copy_debug(filename, debug_file, guid, code_file, code_id):
+            copied.append(
+                filename[len(self.symbol_dir) :]
+                if filename.startswith(self.symbol_dir)
+                else filename
+            )
+
+        self.add_test_files(add_extension(["foo"]))
+        # Windows doesn't call file(1) to figure out if the file should be processed.
+        if target_platform() != "WINNT":
+            self.stdouts.append(file_output)
+        self.stdouts.append(mock_dump_syms("X" * 33, add_extension(["foo"])[0]))
+        self.stdouts.append(mock_dump_syms("Y" * 33, add_extension(["foo"])[0]))
+
+        def mock_dsymutil(args, **kwargs):
+            filename = args[-1]
+            os.makedirs(filename + ".dSYM")
+            return 0
+
+        self.mock_call.side_effect = mock_dsymutil
+        d = symbolstore.GetPlatformSpecificDumper(
+            dump_syms="dump_syms",
+            symbol_path=self.symbol_dir,
+            copy_debug=True,
+            archs="abc xyz",
+        )
+        d.CopyDebug = mock_copy_debug
+        d.Process(os.path.join(self.test_dir, add_extension(["foo"])[0]))
+        self.assertEqual(1, len(copied))
+
+    def test_copy_debug_copies_binaries(self):
+        """
+        Test that CopyDebug copies binaries as well on Windows.
+        """
+        test_file = os.path.join(self.test_dir, "foo.dll")
+        write_dll(test_file)
+        code_file = "foo.dll"
+        code_id = "abc123"
+        self.stdouts.append(
+            mock_dump_syms(
+                "X" * 33, "foo.pdb", ["INFO CODE_ID %s %s" % (code_id, code_file)]
+            )
+        )
+
+        def mock_compress(args, **kwargs):
+            filename = args[-1]
+            open(filename, "w").write("stuff")
+            return 0
+
+        self.mock_call.side_effect = mock_compress
+        d = symbolstore.Dumper_Win32(
+            dump_syms="dump_syms", symbol_path=self.symbol_dir, copy_debug=True
+        )
+        d.Process(test_file)
+        self.assertTrue(
+            os.path.isfile(os.path.join(self.symbol_dir, code_file, code_id, code_file))
+        )
+
+
+class TestGetVCSFilename(HelperMixin, unittest.TestCase):
+    def setUp(self):
+        HelperMixin.setUp(self)
+
+    def tearDown(self):
+        HelperMixin.tearDown(self)
+
+    @patch("subprocess.Popen")
+    def testVCSFilenameHg(self, mock_Popen):
+        # mock calls to `hg parent` and `hg showconfig paths.default`
+        mock_communicate = mock_Popen.return_value.communicate
+        mock_communicate.side_effect = [
+            ("abcd1234", ""),
+            ("http://example.com/repo", ""),
+        ]
+        os.mkdir(os.path.join(self.test_dir, ".hg"))
+        filename = os.path.join(self.test_dir, "foo.c")
+        self.assertEqual(
+            "hg:example.com/repo:foo.c:abcd1234",
+            symbolstore.GetVCSFilename(filename, [self.test_dir])[0],
+        )
+
+    @patch("subprocess.Popen")
+    def testVCSFilenameHgMultiple(self, mock_Popen):
+        # mock calls to `hg parent` and `hg showconfig paths.default`
+        mock_communicate = mock_Popen.return_value.communicate
+        mock_communicate.side_effect = [
+            ("abcd1234", ""),
+            ("http://example.com/repo", ""),
+            ("0987ffff", ""),
+            ("http://example.com/other", ""),
+        ]
+        srcdir1 = os.path.join(self.test_dir, "one")
+        srcdir2 = os.path.join(self.test_dir, "two")
+        os.makedirs(os.path.join(srcdir1, ".hg"))
+        os.makedirs(os.path.join(srcdir2, ".hg"))
+        filename1 = os.path.join(srcdir1, "foo.c")
+        filename2 = os.path.join(srcdir2, "bar.c")
+        self.assertEqual(
+            "hg:example.com/repo:foo.c:abcd1234",
+            symbolstore.GetVCSFilename(filename1, [srcdir1, srcdir2])[0],
+        )
+        self.assertEqual(
+            "hg:example.com/other:bar.c:0987ffff",
+            symbolstore.GetVCSFilename(filename2, [srcdir1, srcdir2])[0],
+        )
+
+    def testVCSFilenameEnv(self):
+        # repo URL and changeset read from environment variables if defined.
+        os.environ["MOZ_SOURCE_REPO"] = "https://somewhere.com/repo"
+        os.environ["MOZ_SOURCE_CHANGESET"] = "abcdef0123456"
+        os.mkdir(os.path.join(self.test_dir, ".hg"))
+        filename = os.path.join(self.test_dir, "foo.c")
+        self.assertEqual(
+            "hg:somewhere.com/repo:foo.c:abcdef0123456",
+            symbolstore.GetVCSFilename(filename, [self.test_dir])[0],
+        )
+
+
+# SHA-512 of a zero-byte file
+EMPTY_SHA512 = (
+    "cf83e1357eefb8bdf1542850d66d8007d620e4050b5715dc83f4a921d36ce9ce47d0d13c5d85f2b0ff"
+)
+EMPTY_SHA512 += "8318d2877eec2f63b931bd47417a81a538327af927da3e"
+
+
+class TestGeneratedFilePath(HelperMixin, unittest.TestCase):
+    def setUp(self):
+        HelperMixin.setUp(self)
+
+    def tearDown(self):
+        HelperMixin.tearDown(self)
+
+    def test_generated_file_path(self):
+        # Make an empty generated file
+        g = os.path.join(self.test_dir, "generated")
+        rel_path = "a/b/generated"
+        with open(g, "wb"):
+            pass
+        expected = "s3:bucket:{}/{}:".format(EMPTY_SHA512, rel_path)
+        self.assertEqual(
+            expected, symbolstore.get_generated_file_s3_path(g, rel_path, "bucket")
+        )
+
+
+if host_platform() == "WINNT":
+
+    class TestRealpath(HelperMixin, unittest.TestCase):
+        def test_realpath(self):
+            # self.test_dir is going to be 8.3 paths...
+            junk = os.path.join(self.test_dir, "x")
+            with open(junk, "w") as o:
+                o.write("x")
+            fixed_dir = os.path.dirname(realpath(junk))
+            files = [
+                "one\\two.c",
+                "three\\Four.d",
+                "Five\\Six.e",
+                "seven\\Eight\\nine.F",
+            ]
+            for rel_path in files:
+                full_path = os.path.normpath(os.path.join(self.test_dir, rel_path))
+                self.make_dirs(full_path)
+                with open(full_path, "w") as o:
+                    o.write("x")
+                fixed_path = realpath(full_path.lower())
+                fixed_path = os.path.relpath(fixed_path, fixed_dir)
+                self.assertEqual(rel_path, fixed_path)
+
+
+if target_platform() == "WINNT":
+
+    class TestSourceServer(HelperMixin, unittest.TestCase):
+        @patch("subprocess.call")
+        @patch("subprocess.Popen")
+        @patch.dict("buildconfig.substs._dict", {"PDBSTR": "pdbstr"})
+        def test_HGSERVER(self, mock_Popen, mock_call):
+            """
+            Test that HGSERVER gets set correctly in the source server index.
+            """
+            symbolpath = os.path.join(self.test_dir, "symbols")
+            os.makedirs(symbolpath)
+            srcdir = os.path.join(self.test_dir, "srcdir")
+            os.makedirs(os.path.join(srcdir, ".hg"))
+            sourcefile = os.path.join(srcdir, "foo.c")
+            test_files = add_extension(["foo"])
+            self.add_test_files(test_files)
+            # mock calls to `dump_syms`, `hg parent` and
+            # `hg showconfig paths.default`
+            mock_Popen.return_value.stdout = iter(
+                [
+                    "MODULE os x86 %s %s" % ("X" * 33, test_files[0]),
+                    "FILE 0 %s" % sourcefile,
+                    "PUBLIC xyz 123",
+                ]
+            )
+            mock_Popen.return_value.wait.return_value = 0
+            mock_communicate = mock_Popen.return_value.communicate
+            mock_communicate.side_effect = [
+                ("abcd1234", ""),
+                ("http://example.com/repo", ""),
+            ]
+            # And mock the call to pdbstr to capture the srcsrv stream data.
+            global srcsrv_stream
+            srcsrv_stream = None
+
+            def mock_pdbstr(args, cwd="", **kwargs):
+                for arg in args:
+                    if arg.startswith("-i:"):
+                        global srcsrv_stream
+                        srcsrv_stream = open(os.path.join(cwd, arg[3:]), "r").read()
+                return 0
+
+            mock_call.side_effect = mock_pdbstr
+            d = symbolstore.GetPlatformSpecificDumper(
+                dump_syms="dump_syms",
+                symbol_path=symbolpath,
+                srcdirs=[srcdir],
+                vcsinfo=True,
+                srcsrv=True,
+                copy_debug=True,
+            )
+            # stub out CopyDebug
+            d.CopyDebug = lambda *args: True
+            d.Process(os.path.join(self.test_dir, test_files[0]))
+            self.assertNotEqual(srcsrv_stream, None)
+            hgserver = [
+                x.rstrip()
+                for x in srcsrv_stream.splitlines()
+                if x.startswith("HGSERVER=")
+            ]
+            self.assertEqual(len(hgserver), 1)
+            self.assertEqual(hgserver[0].split("=")[1], "http://example.com/repo")
+
+
+class TestInstallManifest(HelperMixin, unittest.TestCase):
+    def setUp(self):
+        HelperMixin.setUp(self)
+        self.srcdir = os.path.join(self.test_dir, "src")
+        os.mkdir(self.srcdir)
+        self.objdir = os.path.join(self.test_dir, "obj")
+        os.mkdir(self.objdir)
+        self.manifest = InstallManifest()
+        self.canonical_mapping = {}
+        for s in ["src1", "src2"]:
+            srcfile = realpath(os.path.join(self.srcdir, s))
+            objfile = realpath(os.path.join(self.objdir, s))
+            self.canonical_mapping[objfile] = srcfile
+            self.manifest.add_copy(srcfile, s)
+        self.manifest_file = os.path.join(self.test_dir, "install-manifest")
+        self.manifest.write(self.manifest_file)
+
+    def testMakeFileMapping(self):
+        """
+        Test that valid arguments are validated.
+        """
+        arg = "%s,%s" % (self.manifest_file, self.objdir)
+        ret = symbolstore.validate_install_manifests([arg])
+        self.assertEqual(len(ret), 1)
+        manifest, dest = ret[0]
+        self.assertTrue(isinstance(manifest, InstallManifest))
+        self.assertEqual(dest, self.objdir)
+
+        file_mapping = symbolstore.make_file_mapping(ret)
+        for obj, src in self.canonical_mapping.items():
+            self.assertTrue(obj in file_mapping)
+            self.assertEqual(file_mapping[obj], src)
+
+    def testMissingFiles(self):
+        """
+        Test that missing manifest files or install directories give errors.
+        """
+        missing_manifest = os.path.join(self.test_dir, "missing-manifest")
+        arg = "%s,%s" % (missing_manifest, self.objdir)
+        with self.assertRaises(IOError) as e:
+            symbolstore.validate_install_manifests([arg])
+            self.assertEqual(e.filename, missing_manifest)
+
+        missing_install_dir = os.path.join(self.test_dir, "missing-dir")
+        arg = "%s,%s" % (self.manifest_file, missing_install_dir)
+        with self.assertRaises(IOError) as e:
+            symbolstore.validate_install_manifests([arg])
+            self.assertEqual(e.filename, missing_install_dir)
+
+    def testBadManifest(self):
+        """
+        Test that a bad manifest file give errors.
+        """
+        bad_manifest = os.path.join(self.test_dir, "bad-manifest")
+        with open(bad_manifest, "w") as f:
+            f.write("junk\n")
+        arg = "%s,%s" % (bad_manifest, self.objdir)
+        with self.assertRaises(IOError) as e:
+            symbolstore.validate_install_manifests([arg])
+            self.assertEqual(e.filename, bad_manifest)
+
+    def testBadArgument(self):
+        """
+        Test that a bad manifest argument gives an error.
+        """
+        with self.assertRaises(ValueError):
+            symbolstore.validate_install_manifests(["foo"])
+
+
+class TestFileMapping(HelperMixin, unittest.TestCase):
+    def setUp(self):
+        HelperMixin.setUp(self)
+        self.srcdir = os.path.join(self.test_dir, "src")
+        os.mkdir(self.srcdir)
+        self.objdir = os.path.join(self.test_dir, "obj")
+        os.mkdir(self.objdir)
+        self.symboldir = os.path.join(self.test_dir, "symbols")
+        os.mkdir(self.symboldir)
+
+    @patch("subprocess.Popen")
+    def testFileMapping(self, mock_Popen):
+        files = [("a/b", "mozilla/b"), ("c/d", "foo/d")]
+        if os.sep != "/":
+            files = [[f.replace("/", os.sep) for f in x] for x in files]
+        file_mapping = {}
+        dumped_files = []
+        expected_files = []
+        self.make_dirs(os.path.join(self.objdir, "x", "y"))
+        for s, o in files:
+            srcfile = os.path.join(self.srcdir, s)
+            self.make_file(srcfile)
+            expected_files.append(realpath(srcfile))
+            objfile = os.path.join(self.objdir, o)
+            self.make_file(objfile)
+            file_mapping[realpath(objfile)] = realpath(srcfile)
+            dumped_files.append(os.path.join(self.objdir, "x", "y", "..", "..", o))
+        # mock the dump_syms output
+        file_id = ("X" * 33, "somefile")
+
+        def mk_output(files):
+            return iter(
+                ["MODULE os x86 %s %s\n" % file_id]
+                + ["FILE %d %s\n" % (i, s) for i, s in enumerate(files)]
+                + ["PUBLIC xyz 123\n"]
+            )
+
+        mock_Popen.return_value.stdout = mk_output(dumped_files)
+        mock_Popen.return_value.wait.return_value = 0
+
+        d = symbolstore.Dumper("dump_syms", self.symboldir, file_mapping=file_mapping)
+        f = os.path.join(self.objdir, "somefile")
+        open(f, "w").write("blah")
+        d.Process(f)
+        expected_output = "".join(mk_output(expected_files))
+        symbol_file = os.path.join(
+            self.symboldir, file_id[1], file_id[0], file_id[1] + ".sym"
+        )
+        self.assertEqual(open(symbol_file, "r").read(), expected_output)
+
+
+class TestFunctional(HelperMixin, unittest.TestCase):
+    """Functional tests of symbolstore.py, calling it with a real
+    dump_syms binary and passing in a real binary to dump symbols from.
+
+    Since the rest of the tests in this file mock almost everything and
+    don't use the actual process pool like buildsymbols does, this tests
+    that the way symbolstore.py gets called in buildsymbols works.
+    """
+
+    def setUp(self):
+        HelperMixin.setUp(self)
+        self.skip_test = False
+        if buildconfig.substs["MOZ_BUILD_APP"] != "browser":
+            self.skip_test = True
+        if buildconfig.substs.get("ENABLE_STRIP"):
+            self.skip_test = True
+        # Bug 1608146.
+        if buildconfig.substs.get("MOZ_CODE_COVERAGE"):
+            self.skip_test = True
+        self.topsrcdir = buildconfig.topsrcdir
+        self.script_path = os.path.join(
+            self.topsrcdir, "toolkit", "crashreporter", "tools", "symbolstore.py"
+        )
+        self.dump_syms = buildconfig.substs.get("DUMP_SYMS")
+        if not self.dump_syms:
+            self.skip_test = True
+
+        if target_platform() == "WINNT":
+            self.target_bin = os.path.join(
+                buildconfig.topobjdir, "dist", "bin", "firefox.exe"
+            )
+        else:
+            self.target_bin = os.path.join(
+                buildconfig.topobjdir, "dist", "bin", "firefox-bin"
+            )
+
+    def tearDown(self):
+        HelperMixin.tearDown(self)
+
+    def testSymbolstore(self):
+        if self.skip_test:
+            raise unittest.SkipTest("Skipping test in non-Firefox product")
+        dist_include_manifest = os.path.join(
+            buildconfig.topobjdir, "_build_manifests/install/dist_include"
+        )
+        dist_include = os.path.join(buildconfig.topobjdir, "dist/include")
+        browser_app = os.path.join(buildconfig.topobjdir, "browser/app")
+        output = subprocess.check_output(
+            [
+                sys.executable,
+                self.script_path,
+                "--vcs-info",
+                "-s",
+                self.topsrcdir,
+                "--install-manifest=%s,%s" % (dist_include_manifest, dist_include),
+                self.dump_syms,
+                self.test_dir,
+                self.target_bin,
+            ],
+            universal_newlines=True,
+            stderr=None,
+            cwd=browser_app,
+        )
+        lines = [l for l in output.splitlines() if l.strip()]
+        self.assertEqual(
+            1,
+            len(lines),
+            "should have one filename in the output; got %s" % repr(output),
+        )
+        symbol_file = os.path.join(self.test_dir, lines[0])
+        self.assertTrue(os.path.isfile(symbol_file))
+        symlines = open(symbol_file, "r").readlines()
+        file_lines = [l for l in symlines if l.startswith("FILE")]
+
+        def check_hg_path(lines, match):
+            match_lines = [l for l in file_lines if match in l]
+            self.assertTrue(
+                len(match_lines) >= 1, "should have a FILE line for " + match
+            )
+            # Skip this check for local git repositories.
+            if not os.path.isdir(mozpath.join(self.topsrcdir, ".hg")):
+                return
+            for line in match_lines:
+                filename = line.split(None, 2)[2]
+                self.assertEqual("hg:", filename[:3])
+
+        # Check that nsBrowserApp.cpp is listed as a FILE line, and that
+        # it was properly mapped to the source repo.
+        check_hg_path(file_lines, "nsBrowserApp.cpp")
+        # Also check Sprintf.h to verify that files from dist/include
+        # are properly mapped.
+        check_hg_path(file_lines, "mfbt/Sprintf.h")
+
+
+if __name__ == "__main__":
+    mozunit.main()
diff --git a/toolkit/crashreporter/tools/upload_symbols.py b/toolkit/crashreporter/tools/upload_symbols.py
new file mode 100644
index 0000000000..eff1f43b2b
--- /dev/null
+++ b/toolkit/crashreporter/tools/upload_symbols.py
@@ -0,0 +1,306 @@
+#!/usr/bin/env python3
+#
+# This Source Code Form is subject to the terms of the Mozilla Public
+# License, v. 2.0. If a copy of the MPL was not distributed with this
+# file, You can obtain one at http://mozilla.org/MPL/2.0/.
+#
+# This script uploads a symbol archive file from a path or URL passed on the commandline
+# to the symbol server at https://symbols.mozilla.org/ .
+#
+# Using this script requires you to have generated an authentication
+# token in the symbol server web interface. You must store the token in a Taskcluster
+# secret as the JSON blob `{"token": "<token>"}` and set the `SYMBOL_SECRET`
+# environment variable to the name of the Taskcluster secret. Alternately,
+# you can put the token in a file and set `SOCORRO_SYMBOL_UPLOAD_TOKEN_FILE`
+# environment variable to the path to the file.
+
+import argparse
+import logging
+import os
+import sys
+import tempfile
+
+import redo
+import requests
+
+log = logging.getLogger("upload-symbols")
+log.setLevel(logging.INFO)
+
+DEFAULT_URL = "https://symbols.mozilla.org/upload/"
+MAX_RETRIES = 7
+MAX_ZIP_SIZE = 500000000  # 500 MB
+
+
+def print_error(r):
+    if r.status_code < 400:
+        log.error("Error: bad auth token? ({0}: {1})".format(r.status_code, r.reason))
+    else:
+        log.error("Error: got HTTP response {0}: {1}".format(r.status_code, r.reason))
+
+    log.error(
+        "Response body:\n{sep}\n{body}\n{sep}\n".format(sep="=" * 20, body=r.text)
+    )
+
+
+def get_taskcluster_secret(secret_name):
+    secrets_url = "http://taskcluster/secrets/v1/secret/{}".format(secret_name)
+    log.info(
+        'Using symbol upload token from the secrets service: "{}"'.format(secrets_url)
+    )
+    res = requests.get(secrets_url)
+    res.raise_for_status()
+    secret = res.json()
+    auth_token = secret["secret"]["token"]
+
+    return auth_token
+
+
+def main():
+    logging.basicConfig()
+    parser = argparse.ArgumentParser(
+        description="Upload symbols in ZIP using token from Taskcluster secrets service."
+    )
+    parser.add_argument(
+        "archive", help="Symbols archive file - URL or path to local file"
+    )
+    parser.add_argument(
+        "--ignore-missing", help="No error on missing files", action="store_true"
+    )
+    args = parser.parse_args()
+
+    def check_file_exists(url):
+        for i, _ in enumerate(redo.retrier(attempts=MAX_RETRIES), start=1):
+            try:
+                resp = requests.head(url, allow_redirects=True)
+                return resp.status_code == requests.codes.ok
+            except requests.exceptions.RequestException as e:
+                log.error("Error: {0}".format(e))
+            log.info("Retrying...")
+        return False
+
+    if args.archive.startswith("http"):
+        is_existing = check_file_exists(args.archive)
+    else:
+        is_existing = os.path.isfile(args.archive)
+
+    if not is_existing:
+        if args.ignore_missing:
+            log.info('Archive file "{0}" does not exist!'.format(args.archive))
+            return 0
+        else:
+            log.error('Error: archive file "{0}" does not exist!'.format(args.archive))
+            return 1
+
+    try:
+        tmpdir = None
+        if args.archive.endswith(".tar.zst"):
+            tmpdir = tempfile.TemporaryDirectory()
+            zip_paths = convert_zst_archive(args.archive, tmpdir)
+        else:
+            zip_paths = [args.archive]
+
+        for zip_path in zip_paths:
+            result = upload_symbols(zip_path)
+            if result:
+                return result
+        return 0
+    finally:
+        if tmpdir:
+            tmpdir.cleanup()
+
+
+def convert_zst_archive(zst_archive, tmpdir):
+    """
+    Convert a .tar.zst file to a zip file
+
+    Our build tasks output .tar.zst files, but the tecken server only allows
+    .zip files to be uploaded.
+
+    :param zst_archive: path or URL to a .tar.zst source file
+    :param tmpdir: TemporaryDirectory to store the output zip file in
+    :returns: path to output zip file
+    """
+    import concurrent.futures
+    import gzip
+    import itertools
+    import tarfile
+
+    import zstandard
+    from mozpack.files import File
+    from mozpack.mozjar import Deflater, JarWriter
+
+    def iter_files_from_tar(reader):
+        ctx = zstandard.ZstdDecompressor()
+        uncompressed = ctx.stream_reader(reader)
+        with tarfile.open(mode="r|", fileobj=uncompressed, bufsize=1024 * 1024) as tar:
+            while True:
+                info = tar.next()
+                if info is None:
+                    break
+                data = tar.extractfile(info).read()
+                yield (info.name, data)
+
+    def prepare_from(archive, tmpdir):
+        if archive.startswith("http"):
+            resp = requests.get(archive, allow_redirects=True, stream=True)
+            resp.raise_for_status()
+            reader = resp.raw
+            # Work around taskcluster generic-worker possibly gzipping the tar.zst.
+            if resp.headers.get("Content-Encoding") == "gzip":
+                reader = gzip.GzipFile(fileobj=reader)
+        else:
+            reader = open(archive, "rb")
+
+        def handle_file(data):
+            name, data = data
+            log.info("Compressing %s", name)
+            path = os.path.join(tmpdir, name.lstrip("/"))
+            if name.endswith(".dbg"):
+                os.makedirs(os.path.dirname(path), exist_ok=True)
+                with open(path, "wb") as fh:
+                    with gzip.GzipFile(fileobj=fh, mode="wb", compresslevel=5) as c:
+                        c.write(data)
+                return (name + ".gz", File(path))
+            elif name.endswith(".dSYM.tar"):
+                import bz2
+
+                os.makedirs(os.path.dirname(path), exist_ok=True)
+                with open(path, "wb") as fh:
+                    fh.write(bz2.compress(data))
+                return (name + ".bz2", File(path))
+            elif name.endswith((".pdb", ".exe", ".dll")):
+                import subprocess
+
+                makecab = os.environ.get("MAKECAB", "makecab")
+                os.makedirs(os.path.dirname(path), exist_ok=True)
+                with open(path, "wb") as fh:
+                    fh.write(data)
+
+                subprocess.check_call(
+                    [makecab, "-D", "CompressionType=MSZIP", path, path + "_"],
+                    stdout=subprocess.DEVNULL,
+                    stderr=subprocess.STDOUT,
+                )
+
+                return (name[:-1] + "_", File(path + "_"))
+            else:
+                deflater = Deflater(compress_level=5)
+                deflater.write(data)
+                return (name, deflater)
+
+        with concurrent.futures.ThreadPoolExecutor(
+            max_workers=os.cpu_count()
+        ) as executor:
+            yield from executor.map(handle_file, iter_files_from_tar(reader))
+
+        reader.close()
+
+    zip_paths_iter = iter(
+        os.path.join(tmpdir.name, "symbols{}.zip".format("" if i == 1 else i))
+        for i in itertools.count(start=1)
+    )
+    zip_path = next(zip_paths_iter)
+    log.info('Preparing symbol archive "{0}" from "{1}"'.format(zip_path, zst_archive))
+    for i, _ in enumerate(redo.retrier(attempts=MAX_RETRIES), start=1):
+        zip_paths = []
+        jar = None
+        try:
+            for name, data in prepare_from(zst_archive, tmpdir.name):
+                if not jar:
+                    jar = JarWriter(zip_path)
+                    zip_paths.append(zip_path)
+                    size = 0
+                log.info("Adding %s", name)
+                jar.add(name, data, compress=not isinstance(data, File))
+                size += data.size() if isinstance(data, File) else data.compressed_size
+                if size > MAX_ZIP_SIZE:
+                    jar.finish()
+                    jar = None
+                    zip_path = next(zip_paths_iter)
+                    log.info('Continuing with symbol archive "{}"'.format(zip_path))
+            if jar:
+                jar.finish()
+            return zip_paths
+        except requests.exceptions.RequestException as e:
+            log.error("Error: {0}".format(e))
+            log.info("Retrying...")
+
+    return []
+
+
+def upload_symbols(zip_path):
+    """
+    Upload symbols to the tecken server
+
+    :param zip_path: path to the zip file to upload
+    :returns: 0 indicates the upload was successful, non-zero indicates an
+              error that should be used for the script's exit code
+    """
+    secret_name = os.environ.get("SYMBOL_SECRET")
+    if secret_name is not None:
+        auth_token = get_taskcluster_secret(secret_name)
+    elif "SOCORRO_SYMBOL_UPLOAD_TOKEN_FILE" in os.environ:
+        token_file = os.environ["SOCORRO_SYMBOL_UPLOAD_TOKEN_FILE"]
+
+        if not os.path.isfile(token_file):
+            log.error(
+                'SOCORRO_SYMBOL_UPLOAD_TOKEN_FILE "{0}" does not exist!'.format(
+                    token_file
+                )
+            )
+            return 1
+        auth_token = open(token_file, "r").read().strip()
+    else:
+        log.error(
+            "You must set the SYMBOL_SECRET or SOCORRO_SYMBOL_UPLOAD_TOKEN_FILE "
+            "environment variables!"
+        )
+        return 1
+
+    # Allow overwriting of the upload url with an environmental variable
+    if "SOCORRO_SYMBOL_UPLOAD_URL" in os.environ:
+        url = os.environ["SOCORRO_SYMBOL_UPLOAD_URL"]
+    else:
+        url = DEFAULT_URL
+
+    log.info('Uploading symbol file "{0}" to "{1}"'.format(zip_path, url))
+
+    for i, _ in enumerate(redo.retrier(attempts=MAX_RETRIES), start=1):
+        log.info("Attempt %d of %d..." % (i, MAX_RETRIES))
+        try:
+            if zip_path.startswith("http"):
+                zip_arg = {"data": {"url": zip_path}}
+            else:
+                zip_arg = {"files": {"symbols.zip": open(zip_path, "rb")}}
+            r = requests.post(
+                url,
+                headers={"Auth-Token": auth_token},
+                allow_redirects=False,
+                # Allow a longer read timeout because uploading by URL means the server
+                # has to fetch the entire zip file, which can take a while. The load balancer
+                # in front of symbols.mozilla.org has a 300 second timeout, so we'll use that.
+                timeout=(300, 300),
+                **zip_arg
+            )
+            # 408, 429 or any 5XX is likely to be a transient failure.
+            # Break out for success or other error codes.
+            if r.ok or (r.status_code < 500 and (r.status_code not in (408, 429))):
+                break
+            print_error(r)
+        except requests.exceptions.RequestException as e:
+            log.error("Error: {0}".format(e))
+        log.info("Retrying...")
+    else:
+        log.warning("Maximum retries hit, giving up!")
+        return 1
+
+    if r.status_code >= 200 and r.status_code < 300:
+        log.info("Uploaded successfully!")
+        return 0
+
+    print_error(r)
+    return 1
+
+
+if __name__ == "__main__":
+    sys.exit(main())