New upstream version 1.44.1+dfsg1

[rustc.git] / vendor / backtrace-sys / src / libbacktrace / internal.h

diff --git a/vendor/backtrace-sys/src/libbacktrace/internal.h b/vendor/backtrace-sys/src/libbacktrace/internal.h
index bff8ed470e4f054b7a63982c2b5b53932a4fb4a2..be99bb0c84c6f0ee67015b2215707e40eba32e80 100644 (file)
--- a/vendor/backtrace-sys/src/libbacktrace/internal.h
+++ b/vendor/backtrace-sys/src/libbacktrace/internal.h
@@ -1,5 +1,5 @@
 /* internal.h -- Internal header file for stack backtrace library.
-   Copyright (C) 2012-2018 Free Software Foundation, Inc.
+   Copyright (C) 2012-2020 Free Software Foundation, Inc.
    Written by Ian Lance Taylor, Google.
 
 Redistribution and use in source and binary forms, with or without
@@ -179,7 +179,7 @@ struct backtrace_view
 /* Create a view of SIZE bytes from DESCRIPTOR at OFFSET.  Store the
    result in *VIEW.  Returns 1 on success, 0 on error.  */
 extern int backtrace_get_view (struct backtrace_state *state, int descriptor,
-                              off_t offset, size_t size,
+                              off_t offset, uint64_t size,
                               backtrace_error_callback error_callback,
                               void *data, struct backtrace_view *view);
 
@@ -257,6 +257,18 @@ extern int backtrace_vector_release (struct backtrace_state *state,
                                     backtrace_error_callback error_callback,
                                     void *data);
 
+/* Free the space managed by VEC.  This will reset VEC.  */
+
+static inline void
+backtrace_vector_free (struct backtrace_state *state,
+                      struct backtrace_vector *vec,
+                      backtrace_error_callback error_callback, void *data)
+{
+  vec->alc += vec->size;
+  vec->size = 0;
+  backtrace_vector_release (state, vec, error_callback, data);
+}
+
 /* Read initial debug data from a descriptor, and set the
    fileline_data, syminfo_fn, and syminfo_data fields of STATE.
    Return the fileln_fn field in *FILELN_FN--this is done this way so
@@ -274,23 +286,45 @@ extern int backtrace_initialize (struct backtrace_state *state,
                                 void *data,
                                 fileline *fileline_fn);
 
+/* An enum for the DWARF sections we care about.  */
+
+enum dwarf_section
+{
+  DEBUG_INFO,
+  DEBUG_LINE,
+  DEBUG_ABBREV,
+  DEBUG_RANGES,
+  DEBUG_STR,
+  DEBUG_ADDR,
+  DEBUG_STR_OFFSETS,
+  DEBUG_LINE_STR,
+  DEBUG_RNGLISTS,
+
+  DEBUG_MAX
+};
+
+/* Data for the DWARF sections we care about.  */
+
+struct dwarf_sections
+{
+  const unsigned char *data[DEBUG_MAX];
+  size_t size[DEBUG_MAX];
+};
+
+/* DWARF data read from a file, used for .gnu_debugaltlink.  */
+
+struct dwarf_data;
+
 /* Add file/line information for a DWARF module.  */
 
 extern int backtrace_dwarf_add (struct backtrace_state *state,
                                uintptr_t base_address,
-                               const unsigned char* dwarf_info,
-                               size_t dwarf_info_size,
-                               const unsigned char *dwarf_line,
-                               size_t dwarf_line_size,
-                               const unsigned char *dwarf_abbrev,
-                               size_t dwarf_abbrev_size,
-                               const unsigned char *dwarf_ranges,
-                               size_t dwarf_range_size,
-                               const unsigned char *dwarf_str,
-                               size_t dwarf_str_size,
+                               const struct dwarf_sections *dwarf_sections,
                                int is_bigendian,
+                               struct dwarf_data *fileline_altlink,
                                backtrace_error_callback error_callback,
-                               void *data, fileline *fileline_fn);
+                               void *data, fileline *fileline_fn,
+                               struct dwarf_data **fileline_entry);
 
 /* A test-only hook for elf_uncompress_zdebug.  */