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Update libbacktrace to ca0de0517.
This commit is contained in:
Bartosz Taudul
+92
-13
@@ -1,5 +1,5 @@
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/* internal.h -- Internal header file for stack backtrace library.
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Copyright (C) 2012-2018 Free Software Foundation, Inc.
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Copyright (C) 2012-2020 Free Software Foundation, Inc.
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Written by Ian Lance Taylor, Google.
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Redistribution and use in source and binary forms, with or without
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@@ -56,6 +56,8 @@ POSSIBILITY OF SUCH DAMAGE. */
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# endif
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#endif
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#ifndef HAVE_SYNC_FUNCTIONS
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/* Define out the sync functions. These should never be called if
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they are not available. */
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@@ -63,6 +65,37 @@ POSSIBILITY OF SUCH DAMAGE. */
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#define __sync_lock_test_and_set(A, B) (abort(), 0)
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#define __sync_lock_release(A) abort()
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#endif /* !defined (HAVE_SYNC_FUNCTIONS) */
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#ifdef HAVE_ATOMIC_FUNCTIONS
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/* We have the atomic builtin functions. */
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#define backtrace_atomic_load_pointer(p) \
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__atomic_load_n ((p), __ATOMIC_ACQUIRE)
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#define backtrace_atomic_load_int(p) \
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__atomic_load_n ((p), __ATOMIC_ACQUIRE)
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#define backtrace_atomic_store_pointer(p, v) \
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__atomic_store_n ((p), (v), __ATOMIC_RELEASE)
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#define backtrace_atomic_store_size_t(p, v) \
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__atomic_store_n ((p), (v), __ATOMIC_RELEASE)
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#define backtrace_atomic_store_int(p, v) \
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__atomic_store_n ((p), (v), __ATOMIC_RELEASE)
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#else /* !defined (HAVE_ATOMIC_FUNCTIONS) */
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#ifdef HAVE_SYNC_FUNCTIONS
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/* We have the sync functions but not the atomic functions. Define
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the atomic ones in terms of the sync ones. */
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extern void *backtrace_atomic_load_pointer (void *);
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extern int backtrace_atomic_load_int (int *);
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extern void backtrace_atomic_store_pointer (void *, void *);
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extern void backtrace_atomic_store_size_t (size_t *, size_t);
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extern void backtrace_atomic_store_int (int *, int);
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#else /* !defined (HAVE_SYNC_FUNCTIONS) */
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/* We have neither the sync nor the atomic functions. These will
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never be called. */
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@@ -72,6 +105,9 @@ POSSIBILITY OF SUCH DAMAGE. */
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#define backtrace_atomic_store_size_t(p, v) abort()
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#define backtrace_atomic_store_int(p, v) abort()
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#endif /* !defined (HAVE_SYNC_FUNCTIONS) */
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#endif /* !defined (HAVE_ATOMIC_FUNCTIONS) */
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namespace tracy
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{
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@@ -146,7 +182,7 @@ struct backtrace_view
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/* Create a view of SIZE bytes from DESCRIPTOR at OFFSET. Store the
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result in *VIEW. Returns 1 on success, 0 on error. */
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extern int backtrace_get_view (struct backtrace_state *state, int descriptor,
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off_t offset, size_t size,
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off_t offset, uint64_t size,
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backtrace_error_callback error_callback,
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void *data, struct backtrace_view *view);
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@@ -224,6 +260,18 @@ extern int backtrace_vector_release (struct backtrace_state *state,
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backtrace_error_callback error_callback,
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void *data);
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/* Free the space managed by VEC. This will reset VEC. */
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static inline void
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backtrace_vector_free (struct backtrace_state *state,
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struct backtrace_vector *vec,
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backtrace_error_callback error_callback, void *data)
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{
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vec->alc += vec->size;
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vec->size = 0;
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backtrace_vector_release (state, vec, error_callback, data);
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}
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/* Read initial debug data from a descriptor, and set the
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fileline_data, syminfo_fn, and syminfo_data fields of STATE.
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Return the fileln_fn field in *FILELN_FN--this is done this way so
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@@ -241,23 +289,54 @@ extern int backtrace_initialize (struct backtrace_state *state,
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void *data,
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fileline *fileline_fn);
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/* An enum for the DWARF sections we care about. */
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enum dwarf_section
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{
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DEBUG_INFO,
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DEBUG_LINE,
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DEBUG_ABBREV,
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DEBUG_RANGES,
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DEBUG_STR,
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DEBUG_ADDR,
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DEBUG_STR_OFFSETS,
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DEBUG_LINE_STR,
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DEBUG_RNGLISTS,
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DEBUG_MAX
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};
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/* Data for the DWARF sections we care about. */
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struct dwarf_sections
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{
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const unsigned char *data[DEBUG_MAX];
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size_t size[DEBUG_MAX];
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};
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/* DWARF data read from a file, used for .gnu_debugaltlink. */
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struct dwarf_data;
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/* Add file/line information for a DWARF module. */
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extern int backtrace_dwarf_add (struct backtrace_state *state,
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uintptr_t base_address,
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const unsigned char* dwarf_info,
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size_t dwarf_info_size,
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const unsigned char *dwarf_line,
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size_t dwarf_line_size,
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const unsigned char *dwarf_abbrev,
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size_t dwarf_abbrev_size,
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const unsigned char *dwarf_ranges,
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size_t dwarf_range_size,
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const unsigned char *dwarf_str,
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size_t dwarf_str_size,
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const struct dwarf_sections *dwarf_sections,
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int is_bigendian,
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struct dwarf_data *fileline_altlink,
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backtrace_error_callback error_callback,
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void *data, fileline *fileline_fn);
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void *data, fileline *fileline_fn,
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struct dwarf_data **fileline_entry);
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/* A test-only hook for elf_uncompress_zdebug. */
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extern int backtrace_uncompress_zdebug (struct backtrace_state *,
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const unsigned char *compressed,
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size_t compressed_size,
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backtrace_error_callback, void *data,
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unsigned char **uncompressed,
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size_t *uncompressed_size);
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}
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