From: Doug Evans Date: Tue, 26 Jun 2012 21:56:46 +0000 (+0000) Subject: * dwarf2read.c (dwo_section_names): Add macinfo_dwo, macro_dwo. X-Git-Tag: sid-snapshot-20120701~63 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=09262596f2875b116b23be436aa8728214e039cf;p=external%2Fbinutils.git * dwarf2read.c (dwo_section_names): Add macinfo_dwo, macro_dwo. (dwo_sections): Add macinfo, macro. (dwarf2_locate_dwo_sections): Watch for macro sections. (dwarf_decode_macros): Remove args lh, abfd, section, section_name. All callers updated. Handle DWO files. --- diff --git a/gdb/ChangeLog b/gdb/ChangeLog index 61efcbf..b8594e4 100644 --- a/gdb/ChangeLog +++ b/gdb/ChangeLog @@ -1,5 +1,11 @@ 2012-06-26 Doug Evans + * dwarf2read.c (dwo_section_names): Add macinfo_dwo, macro_dwo. + (dwo_sections): Add macinfo, macro. + (dwarf2_locate_dwo_sections): Watch for macro sections. + (dwarf_decode_macros): Remove args lh, abfd, section, section_name. + All callers updated. Handle DWO files. + * NEWS: Mention new options "set debug dwarf2-read" and "set debug symtab-create". * dwarf2read.c (dwarf2_read_debug): New static global. diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c index 8af954c..213b3a7 100644 --- a/gdb/dwarf2read.c +++ b/gdb/dwarf2read.c @@ -289,6 +289,8 @@ static const struct dwo_section_names struct dwarf2_section_names info_dwo; struct dwarf2_section_names line_dwo; struct dwarf2_section_names loc_dwo; + struct dwarf2_section_names macinfo_dwo; + struct dwarf2_section_names macro_dwo; struct dwarf2_section_names str_dwo; struct dwarf2_section_names str_offsets_dwo; struct dwarf2_section_names types_dwo; @@ -299,6 +301,8 @@ dwo_section_names = { ".debug_info.dwo", ".zdebug_info.dwo" }, { ".debug_line.dwo", ".zdebug_line.dwo" }, { ".debug_loc.dwo", ".zdebug_loc.dwo" }, + { ".debug_macinfo.dwo", ".zdebug_macinfo.dwo" }, + { ".debug_macro.dwo", ".zdebug_macro.dwo" }, { ".debug_str.dwo", ".zdebug_str.dwo" }, { ".debug_str_offsets.dwo", ".zdebug_str_offsets.dwo" }, { ".debug_types.dwo", ".zdebug_types.dwo" }, @@ -569,6 +573,8 @@ struct dwo_sections struct dwarf2_section_info info; struct dwarf2_section_info line; struct dwarf2_section_info loc; + struct dwarf2_section_info macinfo; + struct dwarf2_section_info macro; struct dwarf2_section_info str; struct dwarf2_section_info str_offsets; VEC (dwarf2_section_info_def) *types; @@ -1368,10 +1374,8 @@ static struct abbrev_info *dwarf_alloc_abbrev (struct dwarf2_cu *); static struct die_info *dwarf_alloc_die (struct dwarf2_cu *, int); -static void dwarf_decode_macros (struct line_header *, unsigned int, - char *, bfd *, struct dwarf2_cu *, - struct dwarf2_section_info *, - int, const char *); +static void dwarf_decode_macros (struct dwarf2_cu *, unsigned int, + char *, int); static int attr_form_is_block (struct attribute *); @@ -6772,10 +6776,7 @@ read_file_scope (struct die_info *die, struct dwarf2_cu *cu) complaint (&symfile_complaints, _("CU refers to both DW_AT_GNU_macros and DW_AT_macro_info")); - dwarf_decode_macros (cu->line_header, DW_UNSND (attr), - comp_dir, abfd, cu, - &dwarf2_per_objfile->macro, 1, - ".debug_macro"); + dwarf_decode_macros (cu, DW_UNSND (attr), comp_dir, 1); } else { @@ -6784,10 +6785,7 @@ read_file_scope (struct die_info *die, struct dwarf2_cu *cu) { unsigned int macro_offset = DW_UNSND (attr); - dwarf_decode_macros (cu->line_header, macro_offset, - comp_dir, abfd, cu, - &dwarf2_per_objfile->macinfo, 0, - ".debug_macinfo"); + dwarf_decode_macros (cu, macro_offset, comp_dir, 0); } } @@ -6974,6 +6972,16 @@ dwarf2_locate_dwo_sections (bfd *abfd, asection *sectp, void *dwo_file_ptr) dwo_file->sections.loc.asection = sectp; dwo_file->sections.loc.size = bfd_get_section_size (sectp); } + else if (section_is_p (sectp->name, &names->macinfo_dwo)) + { + dwo_file->sections.macinfo.asection = sectp; + dwo_file->sections.macinfo.size = bfd_get_section_size (sectp); + } + else if (section_is_p (sectp->name, &names->macro_dwo)) + { + dwo_file->sections.macro.asection = sectp; + dwo_file->sections.macro.size = bfd_get_section_size (sectp); + } else if (section_is_p (sectp->name, &names->str_dwo)) { dwo_file->sections.str.asection = sectp; @@ -16423,13 +16431,12 @@ dwarf_decode_macro_bytes (bfd *abfd, gdb_byte *mac_ptr, gdb_byte *mac_end, } static void -dwarf_decode_macros (struct line_header *lh, unsigned int offset, - char *comp_dir, bfd *abfd, - struct dwarf2_cu *cu, - struct dwarf2_section_info *section, - int section_is_gnu, const char *section_name) +dwarf_decode_macros (struct dwarf2_cu *cu, unsigned int offset, + char *comp_dir, int section_is_gnu) { struct objfile *objfile = dwarf2_per_objfile->objfile; + struct line_header *lh = cu->line_header; + bfd *abfd; gdb_byte *mac_ptr, *mac_end; struct macro_source_file *current_file = 0; enum dwarf_macro_record_type macinfo_type; @@ -16438,6 +16445,35 @@ dwarf_decode_macros (struct line_header *lh, unsigned int offset, struct cleanup *cleanup; htab_t include_hash; 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"; + } + } dwarf2_read_section (objfile, section); if (section->buffer == NULL) @@ -16445,6 +16481,7 @@ dwarf_decode_macros (struct line_header *lh, unsigned int offset, complaint (&symfile_complaints, _("missing %s section"), section_name); return; } + abfd = section->asection->owner; /* First pass: Find the name of the base filename. This filename is needed in order to process all macros whose definition