Split dwarf_decode_macros into two overloads
This splits dwarf_decode_macros into two overloads -- one that's suitable for splitting into a separate file, and one that finds the correct section and should remain in dwarf2/read.c. gdb/ChangeLog 2020-03-26 Tom Tromey <tom@tromey.com> * dwarf2/read.c (dwarf_decode_macros): Split into two overloads.
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@ -1,3 +1,7 @@
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2020-03-26 Tom Tromey <tom@tromey.com>
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* dwarf2/read.c (dwarf_decode_macros): Split into two overloads.
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2020-03-26 Tom Tromey <tom@tromey.com>
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* dwarf2/read.c (macro_start_file): Change "cu" parameter to
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@ -23753,56 +23753,18 @@ dwarf_decode_macro_bytes (struct dwarf2_per_objfile *dwarf2_per_objfile,
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}
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static void
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dwarf_decode_macros (struct dwarf2_cu *cu, unsigned int offset,
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int section_is_gnu)
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dwarf_decode_macros (struct dwarf2_per_objfile *dwarf2_per_objfile,
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buildsym_compunit *builder, dwarf2_section_info *section,
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struct line_header *lh, unsigned int offset_size,
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unsigned int offset, int section_is_gnu)
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{
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struct dwarf2_per_objfile *dwarf2_per_objfile
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= cu->per_cu->dwarf2_per_objfile;
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struct objfile *objfile = dwarf2_per_objfile->objfile;
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struct line_header *lh = cu->line_header;
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bfd *abfd;
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const gdb_byte *mac_ptr, *mac_end;
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struct macro_source_file *current_file = 0;
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enum dwarf_macro_record_type macinfo_type;
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unsigned int offset_size = cu->header.offset_size;
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const gdb_byte *opcode_definitions[256];
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void **slot;
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struct dwarf2_section_info *section;
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const char *section_name;
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if (cu->dwo_unit != NULL)
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{
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if (section_is_gnu)
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{
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section = &cu->dwo_unit->dwo_file->sections.macro;
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section_name = ".debug_macro.dwo";
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}
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else
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{
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section = &cu->dwo_unit->dwo_file->sections.macinfo;
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section_name = ".debug_macinfo.dwo";
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}
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}
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else
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{
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if (section_is_gnu)
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{
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section = &dwarf2_per_objfile->macro;
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section_name = ".debug_macro";
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}
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else
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{
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section = &dwarf2_per_objfile->macinfo;
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section_name = ".debug_macinfo";
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}
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}
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section->read (objfile);
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if (section->buffer == NULL)
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{
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complaint (_("missing %s section"), section_name);
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return;
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}
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abfd = section->get_bfd_owner ();
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/* First pass: Find the name of the base filename.
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@ -23827,7 +23789,6 @@ dwarf_decode_macros (struct dwarf2_cu *cu, unsigned int offset,
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return;
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}
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buildsym_compunit *builder = cu->get_builder ();
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do
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{
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/* Do we at least have room for a macinfo type byte? */
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@ -23949,6 +23910,61 @@ dwarf_decode_macros (struct dwarf2_cu *cu, unsigned int offset,
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include_hash.get ());
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}
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/* An overload of dwarf_decode_macros that finds the correct section
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and ensures it is read in before calling the other overload. */
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static void
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dwarf_decode_macros (struct dwarf2_cu *cu, unsigned int offset,
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int section_is_gnu)
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{
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struct dwarf2_per_objfile *dwarf2_per_objfile
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= cu->per_cu->dwarf2_per_objfile;
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struct objfile *objfile = dwarf2_per_objfile->objfile;
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struct line_header *lh = cu->line_header;
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unsigned int offset_size = cu->header.offset_size;
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struct dwarf2_section_info *section;
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const char *section_name;
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if (cu->dwo_unit != nullptr)
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{
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if (section_is_gnu)
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{
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section = &cu->dwo_unit->dwo_file->sections.macro;
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section_name = ".debug_macro.dwo";
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}
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else
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{
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section = &cu->dwo_unit->dwo_file->sections.macinfo;
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section_name = ".debug_macinfo.dwo";
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}
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}
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else
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{
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if (section_is_gnu)
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{
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section = &dwarf2_per_objfile->macro;
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section_name = ".debug_macro";
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}
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else
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{
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section = &dwarf2_per_objfile->macinfo;
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section_name = ".debug_macinfo";
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}
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}
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section->read (objfile);
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if (section->buffer == nullptr)
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{
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complaint (_("missing %s section"), section_name);
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return;
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}
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buildsym_compunit *builder = cu->get_builder ();
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dwarf_decode_macros (dwarf2_per_objfile, builder, section, lh,
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offset_size, offset, section_is_gnu);
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}
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/* Return the .debug_loc section to use for CU.
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For DWO files use .debug_loc.dwo. */
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