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Sync libbacktrace from gcc [PR31327]

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Note that this includes Nick's fix from edf64cd235 which
landed upstream a bit differently as r13-1566-g9ed57796235abc in GCC.

This pulls in libbacktrace as of r14-9404-gc775a030af9cad in GCC trunk.

Note that I have dropped a top-level Darwin change from r14-4825-g6a6d3817afa02b
which would've required an autoreconf, as it should be handled separately.

Approved-By: Tom Tromey <tom@tromey.com>
This commit is contained in:
Sam James
2024-03-11 17:21:07 +00:00
parent 0a909fdd47
commit b450e10273
46 changed files with 4306 additions and 362 deletions
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4
libbacktrace/macho.c
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@@ -1,5 +1,5 @@
/* elf.c -- Get debug data from a Mach-O file for backtraces.
Copyright (C) 2020-2021 Free Software Foundation, Inc.
Copyright (C) 2020-2024 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Google.
Redistribution and use in source and binary forms, with or without
@@ -1268,7 +1268,7 @@ backtrace_initialize (struct backtrace_state *state, const char *filename,
mff = macho_nodebug;
if (!macho_add (state, name, d, 0, NULL, base_address, 0,
error_callback, data, &mff, &mfs))
return 0;
continue;
if (mff != macho_nodebug)
macho_fileline_fn = mff;