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PR25230, dwarf2.c per file stash
This is just moving things around, in preparation for parsing alt file debug_info. PR 25230 * dwarf2.c (struct dwarf2_debug_file): New struct. (struct dwarf2_debug): Delete fields now in dwarf2_debug_file. Add f, alt fields. (struct comp_unit): Add file field. (read_indirect_string, read_indirect_line_string): Adjust to suit. (read_alt_indirect_string, read_alt_indirect_ref): Likewise. (read_debug_ranges, find_abstract_instance, read_rangelist): Likewise. (_bfd_dwarf2_stash_syms, place_sections): Likewise. (stash_maybe_update_info_hash_tablse): Likewise. (stash_verify_info_hash_table): Likewise. (_bfd_dwarf2_slurp_debug_info): Likewise. (_bfd_dwarf2_find_symbol_bias): Likewise. (_bfd_dwarf2_find_nearest_line): Likewise. (_bfd_dwarf2_cleanup_debug_info): Likewise. (read_abbrevs): Add file param and adjust. Update calls. (stash_comp_unit): Likewise. (decode_line_info): Delete stash param and adjust. Update calls. (comp_unit_find_nearest_line): Likewise. (comp_unit_maybe_decode_line_info): Likewise. (comp_unit_find_line): Likewise. (parse_comp_unit): Add file and info_ptr param and adjust. Update calls.
This commit is contained in:
@ -1,3 +1,29 @@
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2019-12-03 Alan Modra <amodra@gmail.com>
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PR 25230
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* dwarf2.c (struct dwarf2_debug_file): New struct.
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(struct dwarf2_debug): Delete fields now in dwarf2_debug_file.
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Add f, alt fields.
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(struct comp_unit): Add file field.
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(read_indirect_string, read_indirect_line_string): Adjust to suit.
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(read_alt_indirect_string, read_alt_indirect_ref): Likewise.
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(read_debug_ranges, find_abstract_instance, read_rangelist): Likewise.
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(_bfd_dwarf2_stash_syms, place_sections): Likewise.
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(stash_maybe_update_info_hash_tablse): Likewise.
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(stash_verify_info_hash_table): Likewise.
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(_bfd_dwarf2_slurp_debug_info): Likewise.
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(_bfd_dwarf2_find_symbol_bias): Likewise.
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(_bfd_dwarf2_find_nearest_line): Likewise.
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(_bfd_dwarf2_cleanup_debug_info): Likewise.
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(read_abbrevs): Add file param and adjust. Update calls.
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(stash_comp_unit): Likewise.
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(decode_line_info): Delete stash param and adjust. Update calls.
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(comp_unit_find_nearest_line): Likewise.
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(comp_unit_maybe_decode_line_info): Likewise.
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(comp_unit_find_line): Likewise.
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(parse_comp_unit): Add file and info_ptr param and adjust. Update
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calls.
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2019-12-03 Alan Modra <amodra@gmail.com>
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2019-12-03 Alan Modra <amodra@gmail.com>
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* dwarf2.c (read_indirect_string): Don't duplicate offset check
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* dwarf2.c (read_indirect_string): Don't duplicate offset check
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515
bfd/dwarf2.c
515
bfd/dwarf2.c
@ -82,51 +82,24 @@ struct adjusted_section
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bfd_vma adj_vma;
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bfd_vma adj_vma;
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};
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};
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struct dwarf2_debug
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struct dwarf2_debug_file
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{
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{
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/* A list of all previously read comp_units. */
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/* The actual bfd from which debug info was loaded. Might be
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struct comp_unit *all_comp_units;
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different to orig_bfd because of gnu_debuglink sections. */
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/* Last comp unit in list above. */
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struct comp_unit *last_comp_unit;
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/* Names of the debug sections. */
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const struct dwarf_debug_section *debug_sections;
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/* The next unread compilation unit within the .debug_info section.
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Zero indicates that the .debug_info section has not been loaded
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into a buffer yet. */
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bfd_byte *info_ptr;
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/* Pointer to the end of the .debug_info section memory buffer. */
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bfd_byte *info_ptr_end;
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/* Pointer to the original bfd for which debug was loaded. This is what
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we use to compare and so check that the cached debug data is still
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valid - it saves having to possibly dereference the gnu_debuglink each
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time. */
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bfd *orig_bfd;
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/* Pointer to the bfd. The bfd might be different than expected
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because of gnu_debuglink sections. */
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bfd *bfd_ptr;
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bfd *bfd_ptr;
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/* Support for alternate debug info sections created by the DWZ utility:
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This includes a pointer to an alternate bfd which contains *extra*,
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possibly duplicate debug sections, and pointers to the loaded
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.debug_str and .debug_info sections from this bfd. */
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bfd * alt_bfd_ptr;
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bfd_byte * alt_dwarf_str_buffer;
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bfd_size_type alt_dwarf_str_size;
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bfd_byte * alt_dwarf_info_buffer;
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bfd_size_type alt_dwarf_info_size;
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/* A pointer to the memory block allocated for .debug_info sections. */
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bfd_byte *info_ptr_memory;
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/* Pointer to the symbol table. */
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/* Pointer to the symbol table. */
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asymbol **syms;
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asymbol **syms;
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/* The current info pointer for the .debug_info section being parsed. */
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bfd_byte *info_ptr;
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/* A pointer to the memory block allocated for .debug_info sections. */
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bfd_byte *dwarf_info_buffer;
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/* Length of the loaded .debug_info sections. */
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bfd_size_type dwarf_info_size;
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/* Pointer to the .debug_abbrev section loaded into memory. */
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/* Pointer to the .debug_abbrev section loaded into memory. */
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bfd_byte *dwarf_abbrev_buffer;
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bfd_byte *dwarf_abbrev_buffer;
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@ -157,6 +130,27 @@ struct dwarf2_debug
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/* Length of the loaded .debug_ranges section. */
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/* Length of the loaded .debug_ranges section. */
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bfd_size_type dwarf_ranges_size;
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bfd_size_type dwarf_ranges_size;
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/* A list of all previously read comp_units. */
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struct comp_unit *all_comp_units;
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/* Last comp unit in list above. */
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struct comp_unit *last_comp_unit;
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};
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struct dwarf2_debug
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{
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/* Names of the debug sections. */
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const struct dwarf_debug_section *debug_sections;
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/* Per-file stuff. */
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struct dwarf2_debug_file f, alt;
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/* Pointer to the original bfd for which debug was loaded. This is what
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we use to compare and so check that the cached debug data is still
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valid - it saves having to possibly dereference the gnu_debuglink each
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time. */
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bfd *orig_bfd;
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/* If the most recent call to bfd_find_nearest_line was given an
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/* If the most recent call to bfd_find_nearest_line was given an
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address in an inlined function, preserve a pointer into the
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address in an inlined function, preserve a pointer into the
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calling chain for subsequent calls to bfd_find_inliner_info to
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calling chain for subsequent calls to bfd_find_inliner_info to
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@ -271,8 +265,9 @@ struct comp_unit
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/* A list of the variables found in this comp. unit. */
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/* A list of the variables found in this comp. unit. */
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struct varinfo *variable_table;
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struct varinfo *variable_table;
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/* Pointer to dwarf2_debug structure. */
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/* Pointers to dwarf2_debug structures. */
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struct dwarf2_debug *stash;
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struct dwarf2_debug *stash;
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struct dwarf2_debug_file *file;
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/* DWARF format version for this unit - from unit header. */
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/* DWARF format version for this unit - from unit header. */
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int version;
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int version;
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@ -701,6 +696,7 @@ read_indirect_string (struct comp_unit * unit,
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{
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{
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bfd_uint64_t offset;
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bfd_uint64_t offset;
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struct dwarf2_debug *stash = unit->stash;
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struct dwarf2_debug *stash = unit->stash;
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struct dwarf2_debug_file *file = unit->file;
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char *str;
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char *str;
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if (buf + unit->offset_size > buf_end)
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if (buf + unit->offset_size > buf_end)
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@ -717,11 +713,11 @@ read_indirect_string (struct comp_unit * unit,
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*bytes_read_ptr = unit->offset_size;
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*bytes_read_ptr = unit->offset_size;
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if (! read_section (unit->abfd, &stash->debug_sections[debug_str],
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if (! read_section (unit->abfd, &stash->debug_sections[debug_str],
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stash->syms, offset,
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file->syms, offset,
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&stash->dwarf_str_buffer, &stash->dwarf_str_size))
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&file->dwarf_str_buffer, &file->dwarf_str_size))
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return NULL;
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return NULL;
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str = (char *) stash->dwarf_str_buffer + offset;
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str = (char *) file->dwarf_str_buffer + offset;
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if (*str == '\0')
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if (*str == '\0')
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return NULL;
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return NULL;
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return str;
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return str;
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@ -737,6 +733,7 @@ read_indirect_line_string (struct comp_unit * unit,
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{
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{
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bfd_uint64_t offset;
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bfd_uint64_t offset;
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struct dwarf2_debug *stash = unit->stash;
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struct dwarf2_debug *stash = unit->stash;
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struct dwarf2_debug_file *file = unit->file;
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char *str;
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char *str;
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if (buf + unit->offset_size > buf_end)
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if (buf + unit->offset_size > buf_end)
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@ -753,12 +750,12 @@ read_indirect_line_string (struct comp_unit * unit,
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*bytes_read_ptr = unit->offset_size;
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*bytes_read_ptr = unit->offset_size;
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if (! read_section (unit->abfd, &stash->debug_sections[debug_line_str],
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if (! read_section (unit->abfd, &stash->debug_sections[debug_line_str],
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stash->syms, offset,
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file->syms, offset,
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&stash->dwarf_line_str_buffer,
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&file->dwarf_line_str_buffer,
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&stash->dwarf_line_str_size))
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&file->dwarf_line_str_size))
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return NULL;
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return NULL;
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str = (char *) stash->dwarf_line_str_buffer + offset;
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str = (char *) file->dwarf_line_str_buffer + offset;
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if (*str == '\0')
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if (*str == '\0')
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return NULL;
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return NULL;
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return str;
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return str;
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@ -791,7 +788,7 @@ read_alt_indirect_string (struct comp_unit * unit,
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*bytes_read_ptr = unit->offset_size;
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*bytes_read_ptr = unit->offset_size;
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if (stash->alt_bfd_ptr == NULL)
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if (stash->alt.bfd_ptr == NULL)
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{
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{
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bfd *debug_bfd;
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bfd *debug_bfd;
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char *debug_filename = bfd_follow_gnu_debugaltlink (unit->abfd, DEBUGDIR);
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char *debug_filename = bfd_follow_gnu_debugaltlink (unit->abfd, DEBUGDIR);
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@ -810,18 +807,17 @@ read_alt_indirect_string (struct comp_unit * unit,
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bfd_close (debug_bfd);
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bfd_close (debug_bfd);
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return NULL;
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return NULL;
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}
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}
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stash->alt_bfd_ptr = debug_bfd;
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stash->alt.bfd_ptr = debug_bfd;
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}
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}
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if (! read_section (unit->stash->alt_bfd_ptr,
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if (! read_section (unit->stash->alt.bfd_ptr,
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stash->debug_sections + debug_str_alt,
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stash->debug_sections + debug_str_alt,
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NULL, /* FIXME: Do we need to load alternate symbols ? */
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stash->alt.syms, offset,
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offset,
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&stash->alt.dwarf_str_buffer,
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&stash->alt_dwarf_str_buffer,
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&stash->alt.dwarf_str_size))
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&stash->alt_dwarf_str_size))
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return NULL;
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return NULL;
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str = (char *) stash->alt_dwarf_str_buffer + offset;
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str = (char *) stash->alt.dwarf_str_buffer + offset;
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if (*str == '\0')
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if (*str == '\0')
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return NULL;
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return NULL;
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@ -838,7 +834,7 @@ read_alt_indirect_ref (struct comp_unit * unit,
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{
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{
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struct dwarf2_debug *stash = unit->stash;
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struct dwarf2_debug *stash = unit->stash;
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if (stash->alt_bfd_ptr == NULL)
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if (stash->alt.bfd_ptr == NULL)
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{
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{
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bfd *debug_bfd;
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bfd *debug_bfd;
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char *debug_filename = bfd_follow_gnu_debugaltlink (unit->abfd, DEBUGDIR);
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char *debug_filename = bfd_follow_gnu_debugaltlink (unit->abfd, DEBUGDIR);
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@ -857,18 +853,17 @@ read_alt_indirect_ref (struct comp_unit * unit,
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bfd_close (debug_bfd);
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bfd_close (debug_bfd);
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return NULL;
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return NULL;
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}
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}
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stash->alt_bfd_ptr = debug_bfd;
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stash->alt.bfd_ptr = debug_bfd;
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}
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}
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if (! read_section (unit->stash->alt_bfd_ptr,
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if (! read_section (unit->stash->alt.bfd_ptr,
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stash->debug_sections + debug_info_alt,
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stash->debug_sections + debug_info_alt,
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NULL, /* FIXME: Do we need to load alternate symbols ? */
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stash->alt.syms, offset,
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offset,
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&stash->alt.dwarf_info_buffer,
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&stash->alt_dwarf_info_buffer,
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&stash->alt.dwarf_info_size))
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&stash->alt_dwarf_info_size))
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return NULL;
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return NULL;
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return stash->alt_dwarf_info_buffer + offset;
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return stash->alt.dwarf_info_buffer + offset;
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}
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}
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static bfd_uint64_t
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static bfd_uint64_t
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@ -940,7 +935,8 @@ lookup_abbrev (unsigned int number, struct abbrev_info **abbrevs)
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in a hash table. */
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in a hash table. */
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static struct abbrev_info**
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static struct abbrev_info**
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read_abbrevs (bfd *abfd, bfd_uint64_t offset, struct dwarf2_debug *stash)
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read_abbrevs (bfd *abfd, bfd_uint64_t offset, struct dwarf2_debug *stash,
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struct dwarf2_debug_file *file)
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{
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{
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struct abbrev_info **abbrevs;
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struct abbrev_info **abbrevs;
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bfd_byte *abbrev_ptr;
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bfd_byte *abbrev_ptr;
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@ -951,8 +947,9 @@ read_abbrevs (bfd *abfd, bfd_uint64_t offset, struct dwarf2_debug *stash)
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bfd_size_type amt;
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bfd_size_type amt;
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if (! read_section (abfd, &stash->debug_sections[debug_abbrev],
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if (! read_section (abfd, &stash->debug_sections[debug_abbrev],
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stash->syms, offset,
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file->syms, offset,
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&stash->dwarf_abbrev_buffer, &stash->dwarf_abbrev_size))
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&file->dwarf_abbrev_buffer,
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&file->dwarf_abbrev_size))
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return NULL;
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return NULL;
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amt = sizeof (struct abbrev_info*) * ABBREV_HASH_SIZE;
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amt = sizeof (struct abbrev_info*) * ABBREV_HASH_SIZE;
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@ -960,8 +957,8 @@ read_abbrevs (bfd *abfd, bfd_uint64_t offset, struct dwarf2_debug *stash)
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if (abbrevs == NULL)
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if (abbrevs == NULL)
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return NULL;
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return NULL;
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abbrev_ptr = stash->dwarf_abbrev_buffer + offset;
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abbrev_ptr = file->dwarf_abbrev_buffer + offset;
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abbrev_end = stash->dwarf_abbrev_buffer + stash->dwarf_abbrev_size;
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abbrev_end = file->dwarf_abbrev_buffer + file->dwarf_abbrev_size;
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abbrev_number = _bfd_safe_read_leb128 (abfd, abbrev_ptr, &bytes_read,
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abbrev_number = _bfd_safe_read_leb128 (abfd, abbrev_ptr, &bytes_read,
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FALSE, abbrev_end);
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FALSE, abbrev_end);
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abbrev_ptr += bytes_read;
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abbrev_ptr += bytes_read;
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@ -1038,8 +1035,8 @@ read_abbrevs (bfd *abfd, bfd_uint64_t offset, struct dwarf2_debug *stash)
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already read (which means we are about to read the abbreviations
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already read (which means we are about to read the abbreviations
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for the next compile unit) or if the end of the abbreviation
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for the next compile unit) or if the end of the abbreviation
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table is reached. */
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table is reached. */
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if ((size_t) (abbrev_ptr - stash->dwarf_abbrev_buffer)
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if ((size_t) (abbrev_ptr - file->dwarf_abbrev_buffer)
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>= stash->dwarf_abbrev_size)
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>= file->dwarf_abbrev_size)
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break;
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break;
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abbrev_number = _bfd_safe_read_leb128 (abfd, abbrev_ptr,
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abbrev_number = _bfd_safe_read_leb128 (abfd, abbrev_ptr,
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&bytes_read, FALSE, abbrev_end);
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&bytes_read, FALSE, abbrev_end);
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@ -2013,9 +2010,11 @@ read_formatted_entries (struct comp_unit *unit, bfd_byte **bufp,
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/* Decode the line number information for UNIT. */
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/* Decode the line number information for UNIT. */
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static struct line_info_table*
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static struct line_info_table*
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||||||
decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
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decode_line_info (struct comp_unit *unit)
|
||||||
{
|
{
|
||||||
bfd *abfd = unit->abfd;
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bfd *abfd = unit->abfd;
|
||||||
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struct dwarf2_debug *stash = unit->stash;
|
||||||
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struct dwarf2_debug_file *file = unit->file;
|
||||||
struct line_info_table* table;
|
struct line_info_table* table;
|
||||||
bfd_byte *line_ptr;
|
bfd_byte *line_ptr;
|
||||||
bfd_byte *line_end;
|
bfd_byte *line_end;
|
||||||
@ -2027,8 +2026,8 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
|
|||||||
bfd_size_type amt;
|
bfd_size_type amt;
|
||||||
|
|
||||||
if (! read_section (abfd, &stash->debug_sections[debug_line],
|
if (! read_section (abfd, &stash->debug_sections[debug_line],
|
||||||
stash->syms, unit->line_offset,
|
file->syms, unit->line_offset,
|
||||||
&stash->dwarf_line_buffer, &stash->dwarf_line_size))
|
&file->dwarf_line_buffer, &file->dwarf_line_size))
|
||||||
return NULL;
|
return NULL;
|
||||||
|
|
||||||
amt = sizeof (struct line_info_table);
|
amt = sizeof (struct line_info_table);
|
||||||
@ -2049,16 +2048,16 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
|
|||||||
|
|
||||||
table->lcl_head = NULL;
|
table->lcl_head = NULL;
|
||||||
|
|
||||||
if (stash->dwarf_line_size < 16)
|
if (file->dwarf_line_size < 16)
|
||||||
{
|
{
|
||||||
_bfd_error_handler
|
_bfd_error_handler
|
||||||
(_("DWARF error: line info section is too small (%" PRId64 ")"),
|
(_("DWARF error: line info section is too small (%" PRId64 ")"),
|
||||||
(int64_t) stash->dwarf_line_size);
|
(int64_t) file->dwarf_line_size);
|
||||||
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
||||||
return NULL;
|
return NULL;
|
||||||
}
|
}
|
||||||
line_ptr = stash->dwarf_line_buffer + unit->line_offset;
|
line_ptr = file->dwarf_line_buffer + unit->line_offset;
|
||||||
line_end = stash->dwarf_line_buffer + stash->dwarf_line_size;
|
line_end = file->dwarf_line_buffer + file->dwarf_line_size;
|
||||||
|
|
||||||
/* Read in the prologue. */
|
/* Read in the prologue. */
|
||||||
lh.total_length = read_4_bytes (abfd, line_ptr, line_end);
|
lh.total_length = read_4_bytes (abfd, line_ptr, line_end);
|
||||||
@ -2384,16 +2383,16 @@ decode_line_info (struct comp_unit *unit, struct dwarf2_debug *stash)
|
|||||||
break;
|
break;
|
||||||
case DW_LNS_set_file:
|
case DW_LNS_set_file:
|
||||||
{
|
{
|
||||||
unsigned int file;
|
unsigned int filenum;
|
||||||
|
|
||||||
/* The file and directory tables are 0
|
/* The file and directory tables are 0
|
||||||
based, the references are 1 based. */
|
based, the references are 1 based. */
|
||||||
file = _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read,
|
filenum = _bfd_safe_read_leb128 (abfd, line_ptr, &bytes_read,
|
||||||
FALSE, line_end);
|
FALSE, line_end);
|
||||||
line_ptr += bytes_read;
|
line_ptr += bytes_read;
|
||||||
if (filename)
|
if (filename)
|
||||||
free (filename);
|
free (filename);
|
||||||
filename = concat_filename (table, file);
|
filename = concat_filename (table, filenum);
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
case DW_LNS_set_column:
|
case DW_LNS_set_column:
|
||||||
@ -2537,12 +2536,12 @@ fail:
|
|||||||
static bfd_boolean
|
static bfd_boolean
|
||||||
read_debug_ranges (struct comp_unit * unit)
|
read_debug_ranges (struct comp_unit * unit)
|
||||||
{
|
{
|
||||||
struct dwarf2_debug * stash = unit->stash;
|
struct dwarf2_debug *stash = unit->stash;
|
||||||
|
struct dwarf2_debug_file *file = unit->file;
|
||||||
|
|
||||||
return read_section (unit->abfd, &stash->debug_sections[debug_ranges],
|
return read_section (unit->abfd, &stash->debug_sections[debug_ranges],
|
||||||
stash->syms, 0,
|
file->syms, 0,
|
||||||
&stash->dwarf_ranges_buffer,
|
&file->dwarf_ranges_buffer, &file->dwarf_ranges_size);
|
||||||
&stash->dwarf_ranges_size);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Function table functions. */
|
/* Function table functions. */
|
||||||
@ -2805,9 +2804,9 @@ lookup_symbol_in_variable_table (struct comp_unit *unit,
|
|||||||
return FALSE;
|
return FALSE;
|
||||||
}
|
}
|
||||||
|
|
||||||
static struct comp_unit *stash_comp_unit (struct dwarf2_debug *);
|
static struct comp_unit *stash_comp_unit (struct dwarf2_debug *,
|
||||||
static bfd_boolean comp_unit_maybe_decode_line_info (struct comp_unit *,
|
struct dwarf2_debug_file *);
|
||||||
struct dwarf2_debug *);
|
static bfd_boolean comp_unit_maybe_decode_line_info (struct comp_unit *);
|
||||||
|
|
||||||
static bfd_boolean
|
static bfd_boolean
|
||||||
find_abstract_instance (struct comp_unit *unit,
|
find_abstract_instance (struct comp_unit *unit,
|
||||||
@ -2852,12 +2851,12 @@ find_abstract_instance (struct comp_unit *unit,
|
|||||||
a symbolic reference to a label in any .debug_info section
|
a symbolic reference to a label in any .debug_info section
|
||||||
might be used. Since we lay out multiple .debug_info
|
might be used. Since we lay out multiple .debug_info
|
||||||
sections at non-zero VMAs (see place_sections), and read
|
sections at non-zero VMAs (see place_sections), and read
|
||||||
them contiguously into stash->info_ptr_memory, that means
|
them contiguously into dwarf_info_buffer, that means the
|
||||||
the reference is relative to stash->info_ptr_memory. */
|
reference is relative to dwarf_info_buffer. */
|
||||||
size_t total;
|
size_t total;
|
||||||
|
|
||||||
info_ptr = unit->stash->info_ptr_memory;
|
info_ptr = unit->file->dwarf_info_buffer;
|
||||||
info_ptr_end = unit->stash->info_ptr_end;
|
info_ptr_end = info_ptr + unit->file->dwarf_info_size;
|
||||||
total = info_ptr_end - info_ptr;
|
total = info_ptr_end - info_ptr;
|
||||||
if (!die_ref)
|
if (!die_ref)
|
||||||
return TRUE;
|
return TRUE;
|
||||||
@ -2889,7 +2888,7 @@ find_abstract_instance (struct comp_unit *unit,
|
|||||||
|
|
||||||
while (u == NULL)
|
while (u == NULL)
|
||||||
{
|
{
|
||||||
u = stash_comp_unit (unit->stash);
|
u = stash_comp_unit (unit->stash, unit->file);
|
||||||
if (u == NULL)
|
if (u == NULL)
|
||||||
break;
|
break;
|
||||||
if (info_ptr >= u->info_ptr_unit && info_ptr < u->end_ptr)
|
if (info_ptr >= u->info_ptr_unit && info_ptr < u->end_ptr)
|
||||||
@ -2920,8 +2919,8 @@ find_abstract_instance (struct comp_unit *unit,
|
|||||||
bfd_set_error (bfd_error_bad_value);
|
bfd_set_error (bfd_error_bad_value);
|
||||||
return FALSE;
|
return FALSE;
|
||||||
}
|
}
|
||||||
info_ptr_end = (unit->stash->alt_dwarf_info_buffer
|
info_ptr_end = (unit->stash->alt.dwarf_info_buffer
|
||||||
+ unit->stash->alt_dwarf_info_size);
|
+ unit->stash->alt.dwarf_info_size);
|
||||||
|
|
||||||
/* FIXME: Do we need to locate the correct CU, in a similar
|
/* FIXME: Do we need to locate the correct CU, in a similar
|
||||||
fashion to the code in the DW_FORM_ref_addr case above ? */
|
fashion to the code in the DW_FORM_ref_addr case above ? */
|
||||||
@ -2997,7 +2996,7 @@ find_abstract_instance (struct comp_unit *unit,
|
|||||||
}
|
}
|
||||||
break;
|
break;
|
||||||
case DW_AT_decl_file:
|
case DW_AT_decl_file:
|
||||||
if (!comp_unit_maybe_decode_line_info (unit, unit->stash))
|
if (!comp_unit_maybe_decode_line_info (unit))
|
||||||
return FALSE;
|
return FALSE;
|
||||||
*filename_ptr = concat_filename (unit->line_table,
|
*filename_ptr = concat_filename (unit->line_table,
|
||||||
attr.u.val);
|
attr.u.val);
|
||||||
@ -3023,16 +3022,16 @@ read_rangelist (struct comp_unit *unit, struct arange *arange,
|
|||||||
bfd_byte *ranges_end;
|
bfd_byte *ranges_end;
|
||||||
bfd_vma base_address = unit->base_address;
|
bfd_vma base_address = unit->base_address;
|
||||||
|
|
||||||
if (! unit->stash->dwarf_ranges_buffer)
|
if (! unit->file->dwarf_ranges_buffer)
|
||||||
{
|
{
|
||||||
if (! read_debug_ranges (unit))
|
if (! read_debug_ranges (unit))
|
||||||
return FALSE;
|
return FALSE;
|
||||||
}
|
}
|
||||||
|
|
||||||
ranges_ptr = unit->stash->dwarf_ranges_buffer + offset;
|
ranges_ptr = unit->file->dwarf_ranges_buffer + offset;
|
||||||
if (ranges_ptr < unit->stash->dwarf_ranges_buffer)
|
if (ranges_ptr < unit->file->dwarf_ranges_buffer)
|
||||||
return FALSE;
|
return FALSE;
|
||||||
ranges_end = unit->stash->dwarf_ranges_buffer + unit->stash->dwarf_ranges_size;
|
ranges_end = unit->file->dwarf_ranges_buffer + unit->file->dwarf_ranges_size;
|
||||||
|
|
||||||
for (;;)
|
for (;;)
|
||||||
{
|
{
|
||||||
@ -3362,6 +3361,8 @@ scan_unit_for_symbols (struct comp_unit *unit)
|
|||||||
|
|
||||||
static struct comp_unit *
|
static struct comp_unit *
|
||||||
parse_comp_unit (struct dwarf2_debug *stash,
|
parse_comp_unit (struct dwarf2_debug *stash,
|
||||||
|
struct dwarf2_debug_file *file,
|
||||||
|
bfd_byte *info_ptr,
|
||||||
bfd_vma unit_length,
|
bfd_vma unit_length,
|
||||||
bfd_byte *info_ptr_unit,
|
bfd_byte *info_ptr_unit,
|
||||||
unsigned int offset_size)
|
unsigned int offset_size)
|
||||||
@ -3375,12 +3376,11 @@ parse_comp_unit (struct dwarf2_debug *stash,
|
|||||||
unsigned int abbrev_number, bytes_read, i;
|
unsigned int abbrev_number, bytes_read, i;
|
||||||
struct abbrev_info *abbrev;
|
struct abbrev_info *abbrev;
|
||||||
struct attribute attr;
|
struct attribute attr;
|
||||||
bfd_byte *info_ptr = stash->info_ptr;
|
|
||||||
bfd_byte *end_ptr = info_ptr + unit_length;
|
bfd_byte *end_ptr = info_ptr + unit_length;
|
||||||
bfd_size_type amt;
|
bfd_size_type amt;
|
||||||
bfd_vma low_pc = 0;
|
bfd_vma low_pc = 0;
|
||||||
bfd_vma high_pc = 0;
|
bfd_vma high_pc = 0;
|
||||||
bfd *abfd = stash->bfd_ptr;
|
bfd *abfd = file->bfd_ptr;
|
||||||
bfd_boolean high_pc_relative = FALSE;
|
bfd_boolean high_pc_relative = FALSE;
|
||||||
enum dwarf_unit_type unit_type;
|
enum dwarf_unit_type unit_type;
|
||||||
|
|
||||||
@ -3457,7 +3457,7 @@ parse_comp_unit (struct dwarf2_debug *stash,
|
|||||||
}
|
}
|
||||||
|
|
||||||
/* Read the abbrevs for this compilation unit into a table. */
|
/* Read the abbrevs for this compilation unit into a table. */
|
||||||
abbrevs = read_abbrevs (abfd, abbrev_offset, stash);
|
abbrevs = read_abbrevs (abfd, abbrev_offset, stash, file);
|
||||||
if (! abbrevs)
|
if (! abbrevs)
|
||||||
return NULL;
|
return NULL;
|
||||||
|
|
||||||
@ -3493,6 +3493,7 @@ parse_comp_unit (struct dwarf2_debug *stash,
|
|||||||
unit->abbrevs = abbrevs;
|
unit->abbrevs = abbrevs;
|
||||||
unit->end_ptr = end_ptr;
|
unit->end_ptr = end_ptr;
|
||||||
unit->stash = stash;
|
unit->stash = stash;
|
||||||
|
unit->file = file;
|
||||||
unit->info_ptr_unit = info_ptr_unit;
|
unit->info_ptr_unit = info_ptr_unit;
|
||||||
|
|
||||||
for (i = 0; i < abbrev->num_attrs; ++i)
|
for (i = 0; i < abbrev->num_attrs; ++i)
|
||||||
@ -3619,18 +3620,17 @@ comp_unit_find_nearest_line (struct comp_unit *unit,
|
|||||||
const char **filename_ptr,
|
const char **filename_ptr,
|
||||||
struct funcinfo **function_ptr,
|
struct funcinfo **function_ptr,
|
||||||
unsigned int *linenumber_ptr,
|
unsigned int *linenumber_ptr,
|
||||||
unsigned int *discriminator_ptr,
|
unsigned int *discriminator_ptr)
|
||||||
struct dwarf2_debug *stash)
|
|
||||||
{
|
{
|
||||||
bfd_boolean func_p;
|
bfd_boolean func_p;
|
||||||
|
|
||||||
if (!comp_unit_maybe_decode_line_info (unit, stash))
|
if (!comp_unit_maybe_decode_line_info (unit))
|
||||||
return FALSE;
|
return FALSE;
|
||||||
|
|
||||||
*function_ptr = NULL;
|
*function_ptr = NULL;
|
||||||
func_p = lookup_address_in_function_table (unit, addr, function_ptr);
|
func_p = lookup_address_in_function_table (unit, addr, function_ptr);
|
||||||
if (func_p && (*function_ptr)->tag == DW_TAG_inlined_subroutine)
|
if (func_p && (*function_ptr)->tag == DW_TAG_inlined_subroutine)
|
||||||
stash->inliner_chain = *function_ptr;
|
unit->stash->inliner_chain = *function_ptr;
|
||||||
|
|
||||||
return lookup_address_in_line_info_table (unit->line_table, addr,
|
return lookup_address_in_line_info_table (unit->line_table, addr,
|
||||||
filename_ptr,
|
filename_ptr,
|
||||||
@ -3643,8 +3643,7 @@ comp_unit_find_nearest_line (struct comp_unit *unit,
|
|||||||
FALSE otherwise. */
|
FALSE otherwise. */
|
||||||
|
|
||||||
static bfd_boolean
|
static bfd_boolean
|
||||||
comp_unit_maybe_decode_line_info (struct comp_unit *unit,
|
comp_unit_maybe_decode_line_info (struct comp_unit *unit)
|
||||||
struct dwarf2_debug *stash)
|
|
||||||
{
|
{
|
||||||
if (unit->error)
|
if (unit->error)
|
||||||
return FALSE;
|
return FALSE;
|
||||||
@ -3657,7 +3656,7 @@ comp_unit_maybe_decode_line_info (struct comp_unit *unit,
|
|||||||
return FALSE;
|
return FALSE;
|
||||||
}
|
}
|
||||||
|
|
||||||
unit->line_table = decode_line_info (unit, stash);
|
unit->line_table = decode_line_info (unit);
|
||||||
|
|
||||||
if (! unit->line_table)
|
if (! unit->line_table)
|
||||||
{
|
{
|
||||||
@ -3689,10 +3688,9 @@ comp_unit_find_line (struct comp_unit *unit,
|
|||||||
asymbol *sym,
|
asymbol *sym,
|
||||||
bfd_vma addr,
|
bfd_vma addr,
|
||||||
const char **filename_ptr,
|
const char **filename_ptr,
|
||||||
unsigned int *linenumber_ptr,
|
unsigned int *linenumber_ptr)
|
||||||
struct dwarf2_debug *stash)
|
|
||||||
{
|
{
|
||||||
if (!comp_unit_maybe_decode_line_info (unit, stash))
|
if (!comp_unit_maybe_decode_line_info (unit))
|
||||||
return FALSE;
|
return FALSE;
|
||||||
|
|
||||||
if (sym->flags & BSF_FUNCTION)
|
if (sym->flags & BSF_FUNCTION)
|
||||||
@ -3751,7 +3749,7 @@ comp_unit_hash_info (struct dwarf2_debug *stash,
|
|||||||
|
|
||||||
BFD_ASSERT (stash->info_hash_status != STASH_INFO_HASH_DISABLED);
|
BFD_ASSERT (stash->info_hash_status != STASH_INFO_HASH_DISABLED);
|
||||||
|
|
||||||
if (!comp_unit_maybe_decode_line_info (unit, stash))
|
if (!comp_unit_maybe_decode_line_info (unit))
|
||||||
return FALSE;
|
return FALSE;
|
||||||
|
|
||||||
BFD_ASSERT (!unit->cached);
|
BFD_ASSERT (!unit->cached);
|
||||||
@ -3890,17 +3888,17 @@ static void
|
|||||||
_bfd_dwarf2_stash_syms (struct dwarf2_debug *stash, bfd *abfd,
|
_bfd_dwarf2_stash_syms (struct dwarf2_debug *stash, bfd *abfd,
|
||||||
asection **sec, asymbol ***syms)
|
asection **sec, asymbol ***syms)
|
||||||
{
|
{
|
||||||
if (stash->bfd_ptr != abfd)
|
if (stash->f.bfd_ptr != abfd)
|
||||||
{
|
{
|
||||||
asection *s, *d;
|
asection *s, *d;
|
||||||
|
|
||||||
if (*sec == NULL)
|
if (*sec == NULL)
|
||||||
{
|
{
|
||||||
*syms = stash->syms;
|
*syms = stash->f.syms;
|
||||||
return;
|
return;
|
||||||
}
|
}
|
||||||
|
|
||||||
for (s = abfd->sections, d = stash->bfd_ptr->sections;
|
for (s = abfd->sections, d = stash->f.bfd_ptr->sections;
|
||||||
s != NULL && d != NULL;
|
s != NULL && d != NULL;
|
||||||
s = s->next, d = d->next)
|
s = s->next, d = d->next)
|
||||||
{
|
{
|
||||||
@ -3910,7 +3908,7 @@ _bfd_dwarf2_stash_syms (struct dwarf2_debug *stash, bfd *abfd,
|
|||||||
&& strcmp (s->name, d->name) == 0)
|
&& strcmp (s->name, d->name) == 0)
|
||||||
{
|
{
|
||||||
*sec = d;
|
*sec = d;
|
||||||
*syms = stash->syms;
|
*syms = stash->f.syms;
|
||||||
break;
|
break;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
@ -3984,9 +3982,9 @@ place_sections (bfd *orig_bfd, struct dwarf2_debug *stash)
|
|||||||
|
|
||||||
i++;
|
i++;
|
||||||
}
|
}
|
||||||
if (abfd == stash->bfd_ptr)
|
if (abfd == stash->f.bfd_ptr)
|
||||||
break;
|
break;
|
||||||
abfd = stash->bfd_ptr;
|
abfd = stash->f.bfd_ptr;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (i <= 1)
|
if (i <= 1)
|
||||||
@ -4049,14 +4047,14 @@ place_sections (bfd *orig_bfd, struct dwarf2_debug *stash)
|
|||||||
p->adj_vma = sect->vma;
|
p->adj_vma = sect->vma;
|
||||||
p++;
|
p++;
|
||||||
}
|
}
|
||||||
if (abfd == stash->bfd_ptr)
|
if (abfd == stash->f.bfd_ptr)
|
||||||
break;
|
break;
|
||||||
abfd = stash->bfd_ptr;
|
abfd = stash->f.bfd_ptr;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
if (orig_bfd != stash->bfd_ptr)
|
if (orig_bfd != stash->f.bfd_ptr)
|
||||||
set_debug_vma (orig_bfd, stash->bfd_ptr);
|
set_debug_vma (orig_bfd, stash->f.bfd_ptr);
|
||||||
|
|
||||||
return TRUE;
|
return TRUE;
|
||||||
}
|
}
|
||||||
@ -4160,13 +4158,13 @@ stash_maybe_update_info_hash_tables (struct dwarf2_debug *stash)
|
|||||||
struct comp_unit *each;
|
struct comp_unit *each;
|
||||||
|
|
||||||
/* Exit if hash tables are up-to-date. */
|
/* Exit if hash tables are up-to-date. */
|
||||||
if (stash->all_comp_units == stash->hash_units_head)
|
if (stash->f.all_comp_units == stash->hash_units_head)
|
||||||
return TRUE;
|
return TRUE;
|
||||||
|
|
||||||
if (stash->hash_units_head)
|
if (stash->hash_units_head)
|
||||||
each = stash->hash_units_head->prev_unit;
|
each = stash->hash_units_head->prev_unit;
|
||||||
else
|
else
|
||||||
each = stash->last_comp_unit;
|
each = stash->f.last_comp_unit;
|
||||||
|
|
||||||
while (each)
|
while (each)
|
||||||
{
|
{
|
||||||
@ -4179,7 +4177,7 @@ stash_maybe_update_info_hash_tables (struct dwarf2_debug *stash)
|
|||||||
each = each->prev_unit;
|
each = each->prev_unit;
|
||||||
}
|
}
|
||||||
|
|
||||||
stash->hash_units_head = stash->all_comp_units;
|
stash->hash_units_head = stash->f.all_comp_units;
|
||||||
return TRUE;
|
return TRUE;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -4194,7 +4192,7 @@ stash_verify_info_hash_table (struct dwarf2_debug *stash)
|
|||||||
struct info_list_node *node;
|
struct info_list_node *node;
|
||||||
bfd_boolean found;
|
bfd_boolean found;
|
||||||
|
|
||||||
for (each_unit = stash->all_comp_units;
|
for (each_unit = stash->f.all_comp_units;
|
||||||
each_unit;
|
each_unit;
|
||||||
each_unit = each_unit->next_unit)
|
each_unit = each_unit->next_unit)
|
||||||
{
|
{
|
||||||
@ -4374,7 +4372,7 @@ _bfd_dwarf2_slurp_debug_info (bfd *abfd, bfd *debug_bfd,
|
|||||||
{
|
{
|
||||||
/* Check that we did previously find some debug information
|
/* Check that we did previously find some debug information
|
||||||
before attempting to make use of it. */
|
before attempting to make use of it. */
|
||||||
if (stash->bfd_ptr != NULL)
|
if (stash->f.bfd_ptr != NULL)
|
||||||
{
|
{
|
||||||
if (do_place && !place_sections (abfd, stash))
|
if (do_place && !place_sections (abfd, stash))
|
||||||
return FALSE;
|
return FALSE;
|
||||||
@ -4394,7 +4392,7 @@ _bfd_dwarf2_slurp_debug_info (bfd *abfd, bfd *debug_bfd,
|
|||||||
}
|
}
|
||||||
stash->orig_bfd = abfd;
|
stash->orig_bfd = abfd;
|
||||||
stash->debug_sections = debug_sections;
|
stash->debug_sections = debug_sections;
|
||||||
stash->syms = symbols;
|
stash->f.syms = symbols;
|
||||||
if (!save_section_vma (abfd, stash))
|
if (!save_section_vma (abfd, stash))
|
||||||
return FALSE;
|
return FALSE;
|
||||||
|
|
||||||
@ -4437,10 +4435,10 @@ _bfd_dwarf2_slurp_debug_info (bfd *abfd, bfd *debug_bfd,
|
|||||||
}
|
}
|
||||||
|
|
||||||
symbols = bfd_get_outsymbols (debug_bfd);
|
symbols = bfd_get_outsymbols (debug_bfd);
|
||||||
stash->syms = symbols;
|
stash->f.syms = symbols;
|
||||||
stash->close_on_cleanup = TRUE;
|
stash->close_on_cleanup = TRUE;
|
||||||
}
|
}
|
||||||
stash->bfd_ptr = debug_bfd;
|
stash->f.bfd_ptr = debug_bfd;
|
||||||
|
|
||||||
if (do_place
|
if (do_place
|
||||||
&& !place_sections (abfd, stash))
|
&& !place_sections (abfd, stash))
|
||||||
@ -4463,7 +4461,7 @@ _bfd_dwarf2_slurp_debug_info (bfd *abfd, bfd *debug_bfd,
|
|||||||
total_size = msec->size;
|
total_size = msec->size;
|
||||||
if (! read_section (debug_bfd, &stash->debug_sections[debug_info],
|
if (! read_section (debug_bfd, &stash->debug_sections[debug_info],
|
||||||
symbols, 0,
|
symbols, 0,
|
||||||
&stash->info_ptr_memory, &total_size))
|
&stash->f.dwarf_info_buffer, &total_size))
|
||||||
return FALSE;
|
return FALSE;
|
||||||
}
|
}
|
||||||
else
|
else
|
||||||
@ -4483,8 +4481,8 @@ _bfd_dwarf2_slurp_debug_info (bfd *abfd, bfd *debug_bfd,
|
|||||||
total_size += msec->size;
|
total_size += msec->size;
|
||||||
}
|
}
|
||||||
|
|
||||||
stash->info_ptr_memory = (bfd_byte *) bfd_malloc (total_size);
|
stash->f.dwarf_info_buffer = (bfd_byte *) bfd_malloc (total_size);
|
||||||
if (stash->info_ptr_memory == NULL)
|
if (stash->f.dwarf_info_buffer == NULL)
|
||||||
return FALSE;
|
return FALSE;
|
||||||
|
|
||||||
total_size = 0;
|
total_size = 0;
|
||||||
@ -4499,7 +4497,7 @@ _bfd_dwarf2_slurp_debug_info (bfd *abfd, bfd *debug_bfd,
|
|||||||
continue;
|
continue;
|
||||||
|
|
||||||
if (!(bfd_simple_get_relocated_section_contents
|
if (!(bfd_simple_get_relocated_section_contents
|
||||||
(debug_bfd, msec, stash->info_ptr_memory + total_size,
|
(debug_bfd, msec, stash->f.dwarf_info_buffer + total_size,
|
||||||
symbols)))
|
symbols)))
|
||||||
return FALSE;
|
return FALSE;
|
||||||
|
|
||||||
@ -4507,33 +4505,33 @@ _bfd_dwarf2_slurp_debug_info (bfd *abfd, bfd *debug_bfd,
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
stash->info_ptr = stash->info_ptr_memory;
|
stash->f.info_ptr = stash->f.dwarf_info_buffer;
|
||||||
stash->info_ptr_end = stash->info_ptr + total_size;
|
stash->f.dwarf_info_size = total_size;
|
||||||
return TRUE;
|
return TRUE;
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Parse the next DWARF2 compilation unit at STASH->INFO_PTR. */
|
/* Parse the next DWARF2 compilation unit at FILE->INFO_PTR. */
|
||||||
|
|
||||||
static struct comp_unit *
|
static struct comp_unit *
|
||||||
stash_comp_unit (struct dwarf2_debug *stash)
|
stash_comp_unit (struct dwarf2_debug *stash, struct dwarf2_debug_file *file)
|
||||||
{
|
{
|
||||||
bfd_size_type length;
|
bfd_size_type length;
|
||||||
unsigned int offset_size;
|
unsigned int offset_size;
|
||||||
bfd_byte *info_ptr_unit = stash->info_ptr;
|
bfd_byte *info_ptr_unit = file->info_ptr;
|
||||||
|
bfd_byte *info_ptr_end = file->dwarf_info_buffer + file->dwarf_info_size;
|
||||||
|
|
||||||
if (stash->info_ptr >= stash->info_ptr_end)
|
if (file->info_ptr >= info_ptr_end)
|
||||||
return NULL;
|
return NULL;
|
||||||
|
|
||||||
length = read_4_bytes (stash->bfd_ptr, stash->info_ptr,
|
length = read_4_bytes (file->bfd_ptr, file->info_ptr, info_ptr_end);
|
||||||
stash->info_ptr_end);
|
|
||||||
/* A 0xffffff length is the DWARF3 way of indicating
|
/* A 0xffffff length is the DWARF3 way of indicating
|
||||||
we use 64-bit offsets, instead of 32-bit offsets. */
|
we use 64-bit offsets, instead of 32-bit offsets. */
|
||||||
if (length == 0xffffffff)
|
if (length == 0xffffffff)
|
||||||
{
|
{
|
||||||
offset_size = 8;
|
offset_size = 8;
|
||||||
length = read_8_bytes (stash->bfd_ptr, stash->info_ptr + 4,
|
length = read_8_bytes (file->bfd_ptr, file->info_ptr + 4,
|
||||||
stash->info_ptr_end);
|
info_ptr_end);
|
||||||
stash->info_ptr += 12;
|
file->info_ptr += 12;
|
||||||
}
|
}
|
||||||
/* A zero length is the IRIX way of indicating 64-bit offsets,
|
/* A zero length is the IRIX way of indicating 64-bit offsets,
|
||||||
mostly because the 64-bit length will generally fit in 32
|
mostly because the 64-bit length will generally fit in 32
|
||||||
@ -4541,9 +4539,9 @@ stash_comp_unit (struct dwarf2_debug *stash)
|
|||||||
else if (length == 0)
|
else if (length == 0)
|
||||||
{
|
{
|
||||||
offset_size = 8;
|
offset_size = 8;
|
||||||
length = read_4_bytes (stash->bfd_ptr, stash->info_ptr + 4,
|
length = read_4_bytes (file->bfd_ptr, file->info_ptr + 4,
|
||||||
stash->info_ptr_end);
|
info_ptr_end);
|
||||||
stash->info_ptr += 8;
|
file->info_ptr += 8;
|
||||||
}
|
}
|
||||||
/* In the absence of the hints above, we assume 32-bit DWARF2
|
/* In the absence of the hints above, we assume 32-bit DWARF2
|
||||||
offsets even for targets with 64-bit addresses, because:
|
offsets even for targets with 64-bit addresses, because:
|
||||||
@ -4557,33 +4555,34 @@ stash_comp_unit (struct dwarf2_debug *stash)
|
|||||||
else
|
else
|
||||||
{
|
{
|
||||||
offset_size = 4;
|
offset_size = 4;
|
||||||
stash->info_ptr += 4;
|
file->info_ptr += 4;
|
||||||
}
|
}
|
||||||
|
|
||||||
if (length != 0
|
if (length != 0
|
||||||
&& stash->info_ptr + length <= stash->info_ptr_end
|
&& file->info_ptr + length <= info_ptr_end
|
||||||
&& stash->info_ptr + length > stash->info_ptr)
|
&& file->info_ptr + length > file->info_ptr)
|
||||||
{
|
{
|
||||||
struct comp_unit *each = parse_comp_unit (stash, length, info_ptr_unit,
|
struct comp_unit *each = parse_comp_unit (stash, file,
|
||||||
offset_size);
|
file->info_ptr, length,
|
||||||
|
info_ptr_unit, offset_size);
|
||||||
if (each)
|
if (each)
|
||||||
{
|
{
|
||||||
if (stash->all_comp_units)
|
if (file->all_comp_units)
|
||||||
stash->all_comp_units->prev_unit = each;
|
file->all_comp_units->prev_unit = each;
|
||||||
else
|
else
|
||||||
stash->last_comp_unit = each;
|
file->last_comp_unit = each;
|
||||||
|
|
||||||
each->next_unit = stash->all_comp_units;
|
each->next_unit = file->all_comp_units;
|
||||||
stash->all_comp_units = each;
|
file->all_comp_units = each;
|
||||||
|
|
||||||
stash->info_ptr += length;
|
file->info_ptr += length;
|
||||||
return each;
|
return each;
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Don't trust any of the DWARF info after a corrupted length or
|
/* Don't trust any of the DWARF info after a corrupted length or
|
||||||
parse error. */
|
parse error. */
|
||||||
stash->info_ptr = stash->info_ptr_end;
|
file->info_ptr = info_ptr_end;
|
||||||
return NULL;
|
return NULL;
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -4638,11 +4637,11 @@ _bfd_dwarf2_find_symbol_bias (asymbol ** symbols, void ** pinfo)
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
for (unit = stash->all_comp_units; unit; unit = unit->next_unit)
|
for (unit = stash->f.all_comp_units; unit; unit = unit->next_unit)
|
||||||
{
|
{
|
||||||
struct funcinfo * func;
|
struct funcinfo * func;
|
||||||
|
|
||||||
comp_unit_maybe_decode_line_info (unit, stash);
|
comp_unit_maybe_decode_line_info (unit);
|
||||||
|
|
||||||
for (func = unit->function_table; func != NULL; func = func->prev_func)
|
for (func = unit->function_table; func != NULL; func = func->prev_func)
|
||||||
if (func->name && func->arange.low)
|
if (func->name && func->arange.low)
|
||||||
@ -4775,7 +4774,7 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
|
|||||||
|
|
||||||
/* A null info_ptr indicates that there is no dwarf2 info
|
/* A null info_ptr indicates that there is no dwarf2 info
|
||||||
(or that an error occured while setting up the stash). */
|
(or that an error occured while setting up the stash). */
|
||||||
if (! stash->info_ptr)
|
if (! stash->f.info_ptr)
|
||||||
return FALSE;
|
return FALSE;
|
||||||
|
|
||||||
stash->inliner_chain = NULL;
|
stash->inliner_chain = NULL;
|
||||||
@ -4804,13 +4803,13 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
|
|||||||
else
|
else
|
||||||
{
|
{
|
||||||
/* Check the previously read comp. units first. */
|
/* Check the previously read comp. units first. */
|
||||||
for (each = stash->all_comp_units; each; each = each->next_unit)
|
for (each = stash->f.all_comp_units; each; each = each->next_unit)
|
||||||
if ((symbol->flags & BSF_FUNCTION) == 0
|
if ((symbol->flags & BSF_FUNCTION) == 0
|
||||||
|| each->arange.high == 0
|
|| each->arange.high == 0
|
||||||
|| comp_unit_contains_address (each, addr))
|
|| comp_unit_contains_address (each, addr))
|
||||||
{
|
{
|
||||||
found = comp_unit_find_line (each, symbol, addr, filename_ptr,
|
found = comp_unit_find_line (each, symbol, addr, filename_ptr,
|
||||||
linenumber_ptr, stash);
|
linenumber_ptr);
|
||||||
if (found)
|
if (found)
|
||||||
goto done;
|
goto done;
|
||||||
}
|
}
|
||||||
@ -4824,18 +4823,16 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
|
|||||||
unsigned int local_linenumber = 0;
|
unsigned int local_linenumber = 0;
|
||||||
unsigned int local_discriminator = 0;
|
unsigned int local_discriminator = 0;
|
||||||
|
|
||||||
for (each = stash->all_comp_units; each; each = each->next_unit)
|
for (each = stash->f.all_comp_units; each; each = each->next_unit)
|
||||||
{
|
{
|
||||||
bfd_vma range = (bfd_vma) -1;
|
bfd_vma range = (bfd_vma) -1;
|
||||||
|
|
||||||
found = ((each->arange.high == 0
|
found = ((each->arange.high == 0
|
||||||
|| comp_unit_contains_address (each, addr))
|
|| comp_unit_contains_address (each, addr))
|
||||||
&& (range = comp_unit_find_nearest_line (each, addr,
|
&& (range = (comp_unit_find_nearest_line
|
||||||
& local_filename,
|
(each, addr, &local_filename,
|
||||||
& local_function,
|
&local_function, &local_linenumber,
|
||||||
& local_linenumber,
|
&local_discriminator))) != 0);
|
||||||
& local_discriminator,
|
|
||||||
stash)) != 0);
|
|
||||||
if (found)
|
if (found)
|
||||||
{
|
{
|
||||||
/* PRs 15935 15994: Bogus debug information may have provided us
|
/* PRs 15935 15994: Bogus debug information may have provided us
|
||||||
@ -4872,7 +4869,7 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
|
|||||||
}
|
}
|
||||||
|
|
||||||
/* Read each remaining comp. units checking each as they are read. */
|
/* Read each remaining comp. units checking each as they are read. */
|
||||||
while ((each = stash_comp_unit (stash)) != NULL)
|
while ((each = stash_comp_unit (stash, &stash->f)) != NULL)
|
||||||
{
|
{
|
||||||
/* DW_AT_low_pc and DW_AT_high_pc are optional for
|
/* DW_AT_low_pc and DW_AT_high_pc are optional for
|
||||||
compilation units. If we don't have them (i.e.,
|
compilation units. If we don't have them (i.e.,
|
||||||
@ -4884,9 +4881,7 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
|
|||||||
|| each->arange.high == 0
|
|| each->arange.high == 0
|
||||||
|| comp_unit_contains_address (each, addr))
|
|| comp_unit_contains_address (each, addr))
|
||||||
&& comp_unit_find_line (each, symbol, addr,
|
&& comp_unit_find_line (each, symbol, addr,
|
||||||
filename_ptr,
|
filename_ptr, linenumber_ptr));
|
||||||
linenumber_ptr,
|
|
||||||
stash));
|
|
||||||
else
|
else
|
||||||
found = ((each->arange.high == 0
|
found = ((each->arange.high == 0
|
||||||
|| comp_unit_contains_address (each, addr))
|
|| comp_unit_contains_address (each, addr))
|
||||||
@ -4894,8 +4889,7 @@ _bfd_dwarf2_find_nearest_line (bfd *abfd,
|
|||||||
filename_ptr,
|
filename_ptr,
|
||||||
&function,
|
&function,
|
||||||
linenumber_ptr,
|
linenumber_ptr,
|
||||||
discriminator_ptr,
|
discriminator_ptr) != 0);
|
||||||
stash) != 0);
|
|
||||||
|
|
||||||
if (found)
|
if (found)
|
||||||
break;
|
break;
|
||||||
@ -4974,96 +4968,91 @@ _bfd_dwarf2_cleanup_debug_info (bfd *abfd, void **pinfo)
|
|||||||
{
|
{
|
||||||
struct dwarf2_debug *stash = (struct dwarf2_debug *) *pinfo;
|
struct dwarf2_debug *stash = (struct dwarf2_debug *) *pinfo;
|
||||||
struct comp_unit *each;
|
struct comp_unit *each;
|
||||||
|
struct dwarf2_debug_file *file;
|
||||||
|
|
||||||
if (abfd == NULL || stash == NULL)
|
if (abfd == NULL || stash == NULL)
|
||||||
return;
|
return;
|
||||||
|
|
||||||
for (each = stash->all_comp_units; each; each = each->next_unit)
|
|
||||||
{
|
|
||||||
struct abbrev_info **abbrevs = each->abbrevs;
|
|
||||||
struct funcinfo *function_table = each->function_table;
|
|
||||||
struct varinfo *variable_table = each->variable_table;
|
|
||||||
size_t i;
|
|
||||||
|
|
||||||
for (i = 0; i < ABBREV_HASH_SIZE; i++)
|
|
||||||
{
|
|
||||||
struct abbrev_info *abbrev = abbrevs[i];
|
|
||||||
|
|
||||||
while (abbrev)
|
|
||||||
{
|
|
||||||
free (abbrev->attrs);
|
|
||||||
abbrev = abbrev->next;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (each->line_table)
|
|
||||||
{
|
|
||||||
free (each->line_table->dirs);
|
|
||||||
free (each->line_table->files);
|
|
||||||
}
|
|
||||||
|
|
||||||
while (function_table)
|
|
||||||
{
|
|
||||||
if (function_table->file)
|
|
||||||
{
|
|
||||||
free (function_table->file);
|
|
||||||
function_table->file = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (function_table->caller_file)
|
|
||||||
{
|
|
||||||
free (function_table->caller_file);
|
|
||||||
function_table->caller_file = NULL;
|
|
||||||
}
|
|
||||||
function_table = function_table->prev_func;
|
|
||||||
}
|
|
||||||
|
|
||||||
if (each->lookup_funcinfo_table)
|
|
||||||
{
|
|
||||||
free (each->lookup_funcinfo_table);
|
|
||||||
each->lookup_funcinfo_table = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
while (variable_table)
|
|
||||||
{
|
|
||||||
if (variable_table->file)
|
|
||||||
{
|
|
||||||
free (variable_table->file);
|
|
||||||
variable_table->file = NULL;
|
|
||||||
}
|
|
||||||
|
|
||||||
variable_table = variable_table->prev_var;
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
if (stash->funcinfo_hash_table)
|
|
||||||
bfd_hash_table_free (&stash->funcinfo_hash_table->base);
|
|
||||||
if (stash->varinfo_hash_table)
|
if (stash->varinfo_hash_table)
|
||||||
bfd_hash_table_free (&stash->varinfo_hash_table->base);
|
bfd_hash_table_free (&stash->varinfo_hash_table->base);
|
||||||
if (stash->dwarf_abbrev_buffer)
|
if (stash->funcinfo_hash_table)
|
||||||
free (stash->dwarf_abbrev_buffer);
|
bfd_hash_table_free (&stash->funcinfo_hash_table->base);
|
||||||
if (stash->dwarf_line_buffer)
|
|
||||||
free (stash->dwarf_line_buffer);
|
file = &stash->f;
|
||||||
if (stash->dwarf_str_buffer)
|
while (1)
|
||||||
free (stash->dwarf_str_buffer);
|
{
|
||||||
if (stash->dwarf_line_str_buffer)
|
for (each = file->all_comp_units; each; each = each->next_unit)
|
||||||
free (stash->dwarf_line_str_buffer);
|
{
|
||||||
if (stash->dwarf_ranges_buffer)
|
struct abbrev_info **abbrevs = each->abbrevs;
|
||||||
free (stash->dwarf_ranges_buffer);
|
struct funcinfo *function_table = each->function_table;
|
||||||
if (stash->info_ptr_memory)
|
struct varinfo *variable_table = each->variable_table;
|
||||||
free (stash->info_ptr_memory);
|
size_t i;
|
||||||
|
|
||||||
|
for (i = 0; i < ABBREV_HASH_SIZE; i++)
|
||||||
|
{
|
||||||
|
struct abbrev_info *abbrev = abbrevs[i];
|
||||||
|
|
||||||
|
while (abbrev)
|
||||||
|
{
|
||||||
|
free (abbrev->attrs);
|
||||||
|
abbrev = abbrev->next;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
if (each->line_table)
|
||||||
|
{
|
||||||
|
free (each->line_table->files);
|
||||||
|
free (each->line_table->dirs);
|
||||||
|
}
|
||||||
|
|
||||||
|
if (each->lookup_funcinfo_table)
|
||||||
|
{
|
||||||
|
free (each->lookup_funcinfo_table);
|
||||||
|
each->lookup_funcinfo_table = NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
while (function_table)
|
||||||
|
{
|
||||||
|
if (function_table->file)
|
||||||
|
{
|
||||||
|
free (function_table->file);
|
||||||
|
function_table->file = NULL;
|
||||||
|
}
|
||||||
|
if (function_table->caller_file)
|
||||||
|
{
|
||||||
|
free (function_table->caller_file);
|
||||||
|
function_table->caller_file = NULL;
|
||||||
|
}
|
||||||
|
function_table = function_table->prev_func;
|
||||||
|
}
|
||||||
|
|
||||||
|
while (variable_table)
|
||||||
|
{
|
||||||
|
if (variable_table->file)
|
||||||
|
{
|
||||||
|
free (variable_table->file);
|
||||||
|
variable_table->file = NULL;
|
||||||
|
}
|
||||||
|
variable_table = variable_table->prev_var;
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
free (file->dwarf_line_str_buffer);
|
||||||
|
free (file->dwarf_str_buffer);
|
||||||
|
free (file->dwarf_ranges_buffer);
|
||||||
|
free (file->dwarf_line_buffer);
|
||||||
|
free (file->dwarf_abbrev_buffer);
|
||||||
|
free (file->dwarf_info_buffer);
|
||||||
|
if (file == &stash->alt)
|
||||||
|
break;
|
||||||
|
file = &stash->alt;
|
||||||
|
}
|
||||||
|
free (stash->sec_vma);
|
||||||
|
free (stash->adjusted_sections);
|
||||||
if (stash->close_on_cleanup)
|
if (stash->close_on_cleanup)
|
||||||
bfd_close (stash->bfd_ptr);
|
bfd_close (stash->f.bfd_ptr);
|
||||||
if (stash->alt_dwarf_str_buffer)
|
if (stash->alt.bfd_ptr)
|
||||||
free (stash->alt_dwarf_str_buffer);
|
bfd_close (stash->alt.bfd_ptr);
|
||||||
if (stash->alt_dwarf_info_buffer)
|
|
||||||
free (stash->alt_dwarf_info_buffer);
|
|
||||||
if (stash->sec_vma)
|
|
||||||
free (stash->sec_vma);
|
|
||||||
if (stash->adjusted_sections)
|
|
||||||
free (stash->adjusted_sections);
|
|
||||||
if (stash->alt_bfd_ptr)
|
|
||||||
bfd_close (stash->alt_bfd_ptr);
|
|
||||||
}
|
}
|
||||||
|
|
||||||
/* Find the function to a particular section and offset,
|
/* Find the function to a particular section and offset,
|
||||||
|
Reference in New Issue
Block a user