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libbacktrace: Update to upstream commit 1db85642e

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1db85642e3
This commit is contained in:
Rémi Verschelde
2024-12-11 13:06:03 +01:00
parent c2e4ae782a
commit 51730391c6
17 changed files with 678 additions and 147 deletions
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52
thirdparty/libbacktrace/internal.h vendored
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@ -1,5 +1,5 @@
/* internal.h -- Internal header file for stack backtrace library.
Copyright (C) 2012-2021 Free Software Foundation, Inc.
Copyright (C) 2012-2024 Free Software Foundation, Inc.
Written by Ian Lance Taylor, Google.
Redistribution and use in source and binary forms, with or without
@ -56,6 +56,11 @@ POSSIBILITY OF SUCH DAMAGE. */
# endif
#endif
#ifdef __has_attribute
# if __has_attribute(fallthrough)
# define ATTRIBUTE_FALLTHROUGH __attribute__ ((fallthrough))
# endif
#endif
#ifndef ATTRIBUTE_FALLTHROUGH
# if (GCC_VERSION >= 7000)
# define ATTRIBUTE_FALLTHROUGH __attribute__ ((__fallthrough__))
@ -323,10 +328,44 @@ struct dwarf_sections
struct dwarf_data;
/* The load address mapping. */
#if defined(__FDPIC__) && defined(HAVE_DL_ITERATE_PHDR) && (defined(HAVE_LINK_H) || defined(HAVE_SYS_LINK_H))
#ifdef HAVE_LINK_H
#include <link.h>
#endif
#ifdef HAVE_SYS_LINK_H
#include <sys/link.h>
#endif
#define libbacktrace_using_fdpic() (1)
struct libbacktrace_base_address
{
struct elf32_fdpic_loadaddr m;
};
#define libbacktrace_add_base(pc, base) \
((uintptr_t) (__RELOC_POINTER ((pc), (base).m)))
#else /* not _FDPIC__ */
#define libbacktrace_using_fdpic() (0)
struct libbacktrace_base_address
{
uintptr_t m;
};
#define libbacktrace_add_base(pc, base) ((pc) + (base).m)
#endif /* not _FDPIC__ */
/* Add file/line information for a DWARF module. */
extern int backtrace_dwarf_add (struct backtrace_state *state,
uintptr_t base_address,
struct libbacktrace_base_address base_address,
const struct dwarf_sections *dwarf_sections,
int is_bigendian,
struct dwarf_data *fileline_altlink,
@ -368,6 +407,15 @@ extern int backtrace_uncompress_zdebug (struct backtrace_state *,
unsigned char **uncompressed,
size_t *uncompressed_size);
/* A test-only hook for elf_zstd_decompress. */
extern int backtrace_uncompress_zstd (struct backtrace_state *,
const unsigned char *compressed,
size_t compressed_size,
backtrace_error_callback, void *data,
unsigned char *uncompressed,
size_t uncompressed_size);
/* A test-only hook for elf_uncompress_lzma. */
extern int backtrace_uncompress_lzma (struct backtrace_state *,