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nixpkgs / pkgs / development / libraries / libbacktrace / 0004-libbacktrace-Support-NIX_DEBUG_INFO_DIRS-environment.patch
at 23.11-beta 42 lines 1.3 kB view raw
Jan Tojnar libbacktrace: Add support for NIX_DEBUG_INFO_DIRS
1e038482
1From a3b7510e4c9e7201a4301f2a45d8569b06354607 Mon Sep 17 00:00:00 2001 2From: Jan Tojnar <jtojnar@gmail.com> 3Date: Sat, 24 Dec 2022 20:30:22 +0100 4Subject: [PATCH 4/4] libbacktrace: Support NIX_DEBUG_INFO_DIRS environment 5 variable 6MIME-Version: 1.0 7Content-Type: text/plain; charset=UTF-8 8Content-Transfer-Encoding: 8bit 9 10Let’s make debug data lookup work on NixOS just like in gdb. 11--- 12 elf.c | 11 +++++++++-- 13 1 file changed, 9 insertions(+), 2 deletions(-) 14 15diff --git a/elf.c b/elf.c 16index 65c647a..5c8abc0 100644 17--- a/elf.c 18+++ b/elf.c 19@@ -6935,11 +6935,18 @@ elf_add (struct backtrace_state *state, const char *filename, int descriptor, 20 21 if (buildid_data != NULL) 22 { 23+ const char *debug_directories_immutable; 24+ const char *nix_debug = getenv ("NIX_DEBUG_INFO_DIRS"); 25+ if (nix_debug != NULL) 26+ debug_directories_immutable = nix_debug; 27+ else 28+ debug_directories_immutable = SYSTEM_DEBUG_DIR; 29+ 30 int d; 31- char debug_directories[strlen(SYSTEM_DEBUG_DIR) + 1]; 32+ char debug_directories[strlen(debug_directories_immutable) + 1]; 33 char *debug_dir; 34 35- strcpy(debug_directories, SYSTEM_DEBUG_DIR); 36+ strcpy(debug_directories, debug_directories_immutable); 37 38 debug_dir = strtok (debug_directories, ":"); 39 while (debug_dir != NULL) 40-- 412.38.1 42