mirror of
https://github.com/NixOS/nixpkgs.git
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82 lines
2.5 KiB
Diff
82 lines
2.5 KiB
Diff
Look up .build-id files relative to the directories in the
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colon-separated environment variable NIX_DEBUG_INFO_DIRS, in addition
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to the existing debug-file-directory setting.
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diff -ru --exclude '*gcore' --exclude '*pdtrace' gdb-8.0-orig/gdb/build-id.c gdb-8.0/gdb/build-id.c
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--- gdb-8.0-orig/gdb/build-id.c 2017-06-04 17:51:26.000000000 +0200
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+++ gdb-8.0/gdb/build-id.c 2017-07-28 13:18:10.797375927 +0200
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@@ -67,8 +67,8 @@
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/* See build-id.h. */
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-gdb_bfd_ref_ptr
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-build_id_to_debug_bfd (size_t build_id_len, const bfd_byte *build_id)
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+static gdb_bfd_ref_ptr
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+build_id_to_debug_bfd_in (const char *directories, size_t build_id_len, const bfd_byte *build_id)
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{
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char *link, *debugdir;
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VEC (char_ptr) *debugdir_vec;
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@@ -78,7 +78,7 @@
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int alloc_len;
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/* DEBUG_FILE_DIRECTORY/.build-id/ab/cdef */
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- alloc_len = (strlen (debug_file_directory)
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+ alloc_len = (strlen (directories)
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+ (sizeof "/.build-id/" - 1) + 1
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+ 2 * build_id_len + (sizeof ".debug" - 1) + 1);
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link = (char *) alloca (alloc_len);
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@@ -86,7 +86,7 @@
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/* Keep backward compatibility so that DEBUG_FILE_DIRECTORY being "" will
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cause "/.build-id/..." lookups. */
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- debugdir_vec = dirnames_to_char_ptr_vec (debug_file_directory);
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+ debugdir_vec = dirnames_to_char_ptr_vec (directories);
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back_to = make_cleanup_free_char_ptr_vec (debugdir_vec);
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for (ix = 0; VEC_iterate (char_ptr, debugdir_vec, ix, debugdir); ++ix)
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@@ -137,6 +137,30 @@
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return abfd;
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}
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+gdb_bfd_ref_ptr
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+build_id_to_debug_bfd (size_t build_id_len, const bfd_byte *build_id)
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+{
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+ gdb_bfd_ref_ptr abfd = build_id_to_debug_bfd_in(debug_file_directory, build_id_len, build_id);
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+
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+ if (abfd != NULL)
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+ return abfd;
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+
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+ static int init = 0;
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+ static char *env_var;
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+ if (!init)
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+ {
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+ env_var = getenv("NIX_DEBUG_INFO_DIRS");
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+ init = 1;
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+ }
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+
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+ if (env_var)
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+ {
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+ abfd = build_id_to_debug_bfd_in(env_var, build_id_len, build_id);
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+ }
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+
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+ return abfd;
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+}
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+
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/* See build-id.h. */
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char *
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diff -ru --exclude '*gcore' --exclude '*pdtrace' gdb-8.0-orig/gdb/symfile.c gdb-8.0/gdb/symfile.c
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--- gdb-8.0-orig/gdb/symfile.c 2017-06-04 17:51:27.000000000 +0200
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+++ gdb-8.0/gdb/symfile.c 2017-07-28 12:54:05.401586174 +0200
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@@ -1415,8 +1415,8 @@
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struct cmd_list_element *c, const char *value)
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{
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fprintf_filtered (file,
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- _("The directory where separate debug "
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- "symbols are searched for is \"%s\".\n"),
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+ _("The directories where separate debug "
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+ "symbols are searched for are \"%s\".\n"),
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value);
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}
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