diff options
Diffstat (limited to 'gdb/dbxread.c')
| -rw-r--r-- | gdb/dbxread.c | 53 |
1 files changed, 48 insertions, 5 deletions
diff --git a/gdb/dbxread.c b/gdb/dbxread.c index 0749412..f752130 100644 --- a/gdb/dbxread.c +++ b/gdb/dbxread.c @@ -197,6 +197,51 @@ struct complaint repeated_header_complaint = struct complaint unclaimed_bincl_complaint = {"N_BINCL %s not in entries for any file, at symtab pos %d", 0, 0}; +/* find_text_range --- find start and end of loadable code sections + + The find_text_range function finds the shortest address range that + encloses all sections containing executable code, and stores it in + objfile's text_addr and text_size members. + + dbx_symfile_read will use this to finish off the partial symbol + table, in some cases. */ + +static void +find_text_range (bfd *sym_bfd, struct objfile *objfile) +{ + asection *sec; + int found_any = 0; + CORE_ADDR start, end; + + for (sec = sym_bfd->sections; sec; sec = sec->next) + if (bfd_get_section_flags (sym_bfd, sec) & SEC_CODE) + { + CORE_ADDR sec_start = bfd_section_vma (sym_bfd, sec); + CORE_ADDR sec_end = sec_start + bfd_section_size (sym_bfd, sec); + + if (found_any) + { + if (sec_start < start) start = sec_start; + if (sec_end > end) end = sec_end; + } + else + { + start = sec_start; + end = sec_end; + } + + found_any = 1; + } + + if (! found_any) + error ("Can't find any code sections in symbol file"); + + DBX_TEXT_ADDR (objfile) = start; + DBX_TEXT_SIZE (objfile) = end - start; +} + + + /* During initial symbol readin, we need to have a structure to keep track of which psymtabs have which bincls in them. This structure is used during readin to setup the list of dependencies within each @@ -2589,11 +2634,9 @@ elfstab_build_psymtabs (objfile, section_offsets, mainline, It might even contain some info from the ELF symtab to help us. */ info = objfile->sym_stab_info; - text_sect = bfd_get_section_by_name (sym_bfd, ".text"); - if (!text_sect) - error ("Can't find .text section in symbol file"); - DBX_TEXT_ADDR (objfile) = bfd_section_vma (sym_bfd, text_sect); - DBX_TEXT_SIZE (objfile) = bfd_section_size (sym_bfd, text_sect); + /* Find the first and last text address. dbx_symfile_read seems to + want this. */ + find_text_range (sym_bfd, objfile); #define ELF_STABS_SYMBOL_SIZE 12 /* XXX FIXME XXX */ DBX_SYMBOL_SIZE (objfile) = ELF_STABS_SYMBOL_SIZE; |