feat: enable backward-cpp

WORKSPACE

@@ -77,6 +77,15 @@ http_archive(
     url = "https://github.com/SRombauts/SQLiteCpp/archive/refs/tags/3.3.0.zip",
 )
 
+# backward-cpp
+http_archive(
+    name = "backward-cpp",
+    build_file = "//third_party/backward-cpp:backward-cpp.BUILD",
+    sha256 = "42d9151d383f91813c12d06b0c76fd1caf6c6bfa07d1aa2e7ca8a775ad643bdc",
+    strip_prefix = "backward-cpp-2395cfa2422edb71929c9d166a6a614571331db3",
+    url = "https://github.com/bombela/backward-cpp/archive/2395cfa2422edb71929c9d166a6a614571331db3.tar.gz",
+)
+
 # Capstone
 http_archive(
     name = "capstone",
@@ -99,11 +108,50 @@ load("@hedron_compile_commands//:workspace_setup.bzl", "hedron_compile_commands_
 
 hedron_compile_commands_setup()
 
+# NASM
 http_archive(
-    name = "io_buildbuddy_buildbuddy_toolchain",
-    sha256 = "e899f235b36cb901b678bd6f55c1229df23fcbc7921ac7a3585d29bff2bf9cfd",
-    strip_prefix = "buildbuddy-toolchain-fd351ca8f152d66fc97f9d98009e0ae000854e8f",
-    urls = ["https://github.com/buildbuddy-io/buildbuddy-toolchain/archive/fd351ca8f152d66fc97f9d98009e0ae000854e8f.tar.gz"],
+    name = "nasm",
+    build_file_content = BUILD_ALL_CONTENT,
+    sha256 = "d833bf0f5716e89dbcd345b7f545f25fe348c6e2ef16dbc293e1027bcd22d881",
+    strip_prefix = "nasm-2.16.01",
+    url = "https://www.nasm.us/pub/nasm/releasebuilds/2.16.01/nasm-2.16.01.tar.gz",
+)
+
+# ELFUTILS
+http_archive(
+    name = "elfutils",
+    build_file = "//third_party:elfutils.BUILD",
+    sha256 = "39bd8f1a338e2b7cd4abc3ff11a0eddc6e690f69578a57478d8179b4148708c8",
+    strip_prefix = "elfutils-0.189",
+    url = "https://sourceware.org/elfutils/ftp/0.189/elfutils-0.189.tar.bz2",
+)
+
+# ZLIB
+http_archive(
+    name = "zlib",
+    build_file = "//third_party:zlib.BUILD",
+    sha256 = "c2856951bbf30e30861ace3765595d86ba13f2cf01279d901f6c62258c57f4ff",
+    strip_prefix = "zlib-1.2.13",
+    url = "https://github.com/madler/zlib/archive/refs/tags/v1.2.13.zip",
+)
+
+# LIBUNWIND
+http_archive(
+    name = "libunwind",
+    build_file_content = BUILD_ALL_CONTENT,
+    sha256 = "c24c913d2337d6eff851b6ab32aadfb683a86fee48d28fe1fc9cd56c8e9dfa58",
+    strip_prefix = "libunwind-1.70",
+    url = "https://github.com/libunwind/libunwind/releases/download/v1.7.0/libunwind-1.70.tar.gz",
+)
+
+# LIBDWARF
+http_archive(
+    name = "libdwarf",
+    #build_file = "//third_party:libdwarf.BUILD",
+    build_file_content = BUILD_ALL_CONTENT,
+    sha256 = "4518de76a92af80919945dc4d37dd88414d3fae9116dc424f07f25e1ecc7d004",
+    strip_prefix = "libdwarf-code-db0d0c4de28d3de217d79ed6ce6c8cf34cd017b9",
+    urls = ["https://github.com/davea42/libdwarf-code/archive/db0d0c4de28d3de217d79ed6ce6c8cf34cd017b9.tar.gz"],
 )
 
 http_archive(
@@ -115,18 +163,17 @@ http_archive(
     ],
 )
 
-http_archive(
-    name = "nasm",
-    build_file_content = BUILD_ALL_CONTENT,
-    sha256 = "d833bf0f5716e89dbcd345b7f545f25fe348c6e2ef16dbc293e1027bcd22d881",
-    strip_prefix = "nasm-2.16.01",
-    url = "https://www.nasm.us/pub/nasm/releasebuilds/2.16.01/nasm-2.16.01.tar.gz",
-)
-
 load("@bazel_skylib//:workspace.bzl", "bazel_skylib_workspace")
 
 bazel_skylib_workspace()
 
+http_archive(
+    name = "io_buildbuddy_buildbuddy_toolchain",
+    sha256 = "e899f235b36cb901b678bd6f55c1229df23fcbc7921ac7a3585d29bff2bf9cfd",
+    strip_prefix = "buildbuddy-toolchain-fd351ca8f152d66fc97f9d98009e0ae000854e8f",
+    urls = ["https://github.com/buildbuddy-io/buildbuddy-toolchain/archive/fd351ca8f152d66fc97f9d98009e0ae000854e8f.tar.gz"],
+)
+
 load("@io_buildbuddy_buildbuddy_toolchain//:deps.bzl", "buildbuddy_deps")
 
 buildbuddy_deps()

third_party/BUILD.bazel

@@ -67,3 +67,33 @@ genrule(
     cmd = "cp $< $@",
     executable = True,
 )
+
+configure_make(
+    name = "libdwarf",
+    configure_in_place = True,
+    lib_source = "@libdwarf//:all",
+    out_static_libs = [
+        "libdwarf.a",
+    ],
+    deps = [
+        "@elfutils//:elf",
+    ],
+    alwayslink = True,
+)
+
+configure_make(
+    name = "libunwind",
+    configure_in_place = True,
+    configure_options = [
+        "--enable-static",
+        "--disable-shared",
+    ],
+    copts = [
+        "-w",
+    ],
+    lib_source = "@libunwind//:all",
+    out_static_libs = [
+        "libunwind.a",
+    ],
+    alwayslink = False,
+)

third_party/backward-cpp/BUILD

@@ -0,0 +1,9 @@
+exports_files(["backward.cc"])
+
+cc_binary(
+    name = "suicide",
+    srcs = ["suicide.cc"],
+    deps = ["@backward-cpp"],
+)
+
+exports_files(["backward.cpp"])

third_party/backward-cpp/backward-cpp.BUILD

@@ -0,0 +1,24 @@
+cc_library(
+    name = "backward-cpp",
+    include_prefix = "backward",
+    srcs = ["@//third_party/backward-cpp:backward.cpp"],
+    hdrs = ["backward.hpp"],
+    deps = [
+        "@//third_party:libdwarf",
+        "@elfutils//:elf",
+        "@//third_party:libunwind",
+    ],
+    visibility = ["//visibility:public"],
+    # Link any binary that depends (directly or indirectly) on this C++ library
+    # in all the object files for the files listed in srcs, even if some contain
+    # no symbols referenced by the binary.
+    # Without this the backward.cpp file won't be included and then won't
+    # initialize
+    alwayslink = True,
+    defines = [
+        # For libdwarf
+        "BACKWARD_HAS_DWARF=1",
+        # For libunwind
+        "BACKWARD_HAS_LIBUNWIND=1",
+    ],
+)

third_party/backward-cpp/backward.cpp

@@ -0,0 +1,7 @@
+#include "backward.hpp"
+
+namespace backward {
+
+backward::SignalHandling sh;
+
+}  // namespace backward

third_party/backward-cpp/suicide.cc

@@ -0,0 +1,11 @@
+#include <iostream>
+
+/**
+ * Obvious suicide function to test stacktrace printing of backward-cpp
+ */
+int main() {
+  std::cout << "Running suicide application" << std::endl;
+  int* ptr = nullptr;
+  *ptr += 1;
+  return 0;
+}

third_party/elfutils.BUILD

@@ -0,0 +1,65 @@
+LIBELF_HDRS = glob(["libelf/elf32_*.c"]) + [
+    "lib/crc32.c",
+    "lib/next_prime.c",
+    "libelf/elf.h",
+    "libelf/gelf.h",
+    "libelf/libelf.h",
+]
+
+cc_library(
+    name = "elf",
+    srcs = glob([
+        "libelf/*.c",
+    ]) + [
+        "config.h",
+        "lib/eu-config.h",
+        "lib/fixedsizehash.h",
+        "lib/system.h",
+        "libelf/abstract.h",
+        "libelf/chdr_xlate.h",
+        "libelf/common.h",
+        "libelf/dl-hash.h",
+        "libelf/elf-knowledge.h",
+        "libelf/exttypes.h",
+        "libelf/gelf_xlate.h",
+        "libelf/gnuhash_xlate.h",
+        "libelf/libelfP.h",
+        "libelf/nlist.h",
+        "libelf/note_xlate.h",
+        "libelf/version_xlate.h",
+    ],
+    hdrs = LIBELF_HDRS,
+    copts = [
+        "-Iexternal/elfutils/libelf",
+        "-Iexternal/elfutils/lib",
+        "-I$(BINDIR)/external/elfutils",
+        "-DHAVE_CONFIG_H",
+        # Disable all warnings
+        "-w",
+    ],
+    visibility = ["//visibility:public"],
+    # Code seems to just include <libelf.h>
+    includes = ["libelf"],
+    deps = [
+        "@zlib",
+    ],
+)
+
+genrule(
+    name = "config_h",
+    srcs = [
+        "configure",
+        "libelf/libelf.h",
+        "libdw/known-dwarf.h",
+        "config/config.rpath",
+        "config/ar-lib",
+        "config/compile",
+        "config/config.guess",
+        "config/config.sub",
+        "config/missing",
+        "config/install-sh",
+    ] + glob(["**/*.in"]),
+    outs = ["config.h"],
+    cmd = "./$(location configure) --disable-debuginfod --disable-libdebuginfod" +
+          "&& cp config.h $(location config.h)",
+)

third_party/libdwarf.BUILD

@@ -0,0 +1,41 @@
+cc_library(
+    name = "libdwarf",
+    srcs = glob([
+        "libdwarf/*.c",
+    ]) + [
+        "config.h",
+    ],
+    hdrs = glob([
+        "libdwarf/*.h",
+    ]),
+    copts = [
+        "-Ibazel-out/k8-dbg/bin/external/libdwarf ",
+        "-DHAVE_CONFIG_H",
+    ],
+    strip_include_prefix = "libdwarf",
+    includes = [
+        "libdwarf",
+    ],
+    visibility = ["//visibility:public"],
+    deps = [
+        "@elfutils//:elf",
+    ],
+)
+
+genrule(
+    name = "config_h",
+    srcs = [
+        "configure",
+        "install-sh",
+        "config.guess",
+        "config.sub",
+        "configure.ac",
+        "ltmain.sh",
+        "ar-lib",
+        "compile",
+        "missing",
+    ] + glob(["**/*.in"]),
+    outs = ["config.h"],
+    cmd = "./$(location configure) " +
+          "&& cp config.h $(location config.h)",
+)

third_party/zlib.BUILD

@@ -0,0 +1,36 @@
+cc_library(
+    name = "zlib",
+    srcs = [
+        "adler32.c",
+        "compress.c",
+        "crc32.c",
+        "crc32.h",
+        "deflate.c",
+        "deflate.h",
+        "gzclose.c",
+        "gzguts.h",
+        "gzlib.c",
+        "gzread.c",
+        "gzwrite.c",
+        "infback.c",
+        "inffast.c",
+        "inffast.h",
+        "inffixed.h",
+        "inflate.c",
+        "inflate.h",
+        "inftrees.c",
+        "inftrees.h",
+        "trees.c",
+        "trees.h",
+        "uncompr.c",
+        "zconf.h",
+        "zutil.c",
+        "zutil.h",
+    ],
+    hdrs = ["zlib.h"],
+    copts = [
+        # Ignore all warnings
+        "-w",
+    ],
+    visibility = ["//visibility:public"],
+)