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.
This commit is contained in:
Tom Tromey 2020-03-26 09:28:08 -06:00
parent bf80d71052
commit 9eac9650ce
2 changed files with 63 additions and 43 deletions

View File

@ -1,3 +1,7 @@
2020-03-26 Tom Tromey <tom@tromey.com>
* dwarf2/read.c (dwarf_decode_macros): Split into two overloads.
2020-03-26 Tom Tromey <tom@tromey.com>
* dwarf2/read.c (macro_start_file): Change "cu" parameter to

View File

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