elfutils: Respect $NIX_DEBUG_INFO_DIRS

This makes eu-stack and eu-addr2line do the right thing in a
nix-shell (if the appropriate debug outputs are present).
This commit is contained in:
Eelco Dolstra 2017-07-28 16:10:59 +02:00
parent 340bd1ed2e
commit cc9bfd2cf8
No known key found for this signature in database
GPG Key ID: 8170B4726D7198DE
2 changed files with 32 additions and 1 deletions

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@ -0,0 +1,27 @@
Look up .build-id files relative to the directories in the
colon-separated environment variable NIX_DEBUG_INFO_DIRS, unless
overriden by --debuginfo-path.
diff -ru elfutils-0.169-orig/libdwfl/argp-std.c elfutils-0.169/libdwfl/argp-std.c
--- elfutils-0.169-orig/libdwfl/argp-std.c 2017-05-02 23:05:52.000000000 +0200
+++ elfutils-0.169/libdwfl/argp-std.c 2017-07-28 16:08:06.739558106 +0200
@@ -376,5 +376,7 @@
const struct argp *
dwfl_standard_argp (void)
{
+ debuginfo_path = getenv("NIX_DEBUG_INFO_DIRS");
+
return &libdwfl_argp;
}
diff -ru elfutils-0.169-orig/src/stack.c elfutils-0.169/src/stack.c
--- elfutils-0.169-orig/src/stack.c 2017-02-24 11:55:28.000000000 +0100
+++ elfutils-0.169/src/stack.c 2017-07-28 15:50:06.743196696 +0200
@@ -631,6 +631,8 @@
/* Set locale. */
(void) setlocale (LC_ALL, "");
+ debuginfo_path = getenv("NIX_DEBUG_INFO_DIRS");
+
const struct argp_option options[] =
{
{ NULL, 0, NULL, 0, N_("Input selection options:"), 0 },

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@ -1,4 +1,4 @@
{ lib, stdenv, fetchurl, m4, zlib, bzip2, bison, flex, gettext, xz }:
{ lib, stdenv, fetchurl, m4, zlib, bzip2, bison, flex, gettext, xz, setupDebugInfoDirs }:
# TODO: Look at the hardcoded paths to kernel, modules etc.
stdenv.mkDerivation rec {
@ -10,6 +10,8 @@ stdenv.mkDerivation rec {
sha256 = "1hiv1yqig3292dwqhrwsxwk3qjalxp5fpl8yphwbfwh8ng3zl4ll";
};
patches = ./debug-info-from-env.patch;
hardeningDisable = [ "format" ];
# We need bzip2 in NativeInputs because otherwise we can't unpack the src,
@ -17,6 +19,8 @@ stdenv.mkDerivation rec {
nativeBuildInputs = [ m4 bison flex gettext bzip2 ];
buildInputs = [ zlib bzip2 xz ];
propagatedNativeBuildInputs = [ setupDebugInfoDirs ];
configureFlags =
[ "--program-prefix=eu-" # prevent collisions with binutils
"--enable-deterministic-archives"