unsigned int dbsize; /* Size of dwarf debug section */
unsigned int lnoffset; /* Offset to dwarf line number section */
unsigned int lnsize; /* Size of dwarf line number section */
+ asection *stabsect; /* Section pointer for .stab section */
+ asection *stabindexsect; /* Section pointer for .stab.index section */
};
static void
knowledge of DWARF (by design, so any debugging format can be
used).
+ We also recognize the ".stab" sections used by the Sun compilers
+ released with Solaris 2.
+
FIXME: The section names should not be hardwired strings. */
static void
ei -> lnoffset = sectp -> filepos;
ei -> lnsize = bfd_get_section_size_before_reloc (sectp);
}
+ else if (STREQ (sectp -> name, ".stab"))
+ {
+ ei -> stabsect = sectp;
+ }
+ else if (STREQ (sectp -> name, ".stab.index"))
+ {
+ ei -> stabindexsect = sectp;
+ }
}
#if 0 /* Currently unused */
prim_record_minimal_symbol (name, address, ms_type);
}
+static void
+record_minimal_symbol_and_info (name, address, ms_type, info, objfile)
+ char *name;
+ CORE_ADDR address;
+ enum minimal_symbol_type ms_type;
+ char *info; /* FIXME, is this really char *? */
+ struct objfile *objfile;
+{
+ name = obsavestring (name, strlen (name), &objfile -> symbol_obstack);
+ prim_record_minimal_symbol_and_info (name, address, ms_type, info);
+}
+
/*
LOCAL FUNCTION
{
ms_type = mst_unknown;
}
- record_minimal_symbol ((char *) sym -> name, symaddr, ms_type, objfile);
+ /* Pass symbol size field in via BFD. FIXME!!! */
+ record_minimal_symbol_and_info ((char *) sym -> name,
+ symaddr, ms_type, sym->udata, objfile);
}
}
do_cleanups (back_to);
symbol tables. When more extensive information is requested of a
file, the corresponding partial symbol table is mutated into a full
fledged symbol table by going back and reading the symbols
- for real. The function dwarf_psymtab_to_symtab() is the function that
- does this for DWARF symbols.
+ for real.
+
+ We look for sections with specific names, to tell us what debug
+ format to look for: FIXME!!!
+
+ dwarf_build_psymtabs() builds psymtabs for DWARF symbols;
+ elfstab_build_psymtabs() handles STABS symbols.
Note that ELF files have a "minimal" symbol table, which looks a lot
like a COFF symbol table, but has only the minimal information necessary
- for linking. We process this also, and just use the information to
- add to gdb's minimal symbol table. This gives us some minimal debugging
- capability even for files compiled without -g.
- */
+ for linking. We process this also, and use the information to
+ build gdb's minimal symbol table. This gives us some minimal debugging
+ capability even for files compiled without -g. */
static void
elf_symfile_read (objfile, addr, mainline)
struct elfinfo ei;
struct cleanup *back_to;
asection *text_sect;
+ CORE_ADDR offset;
init_minimal_symbol_collection ();
back_to = make_cleanup (discard_minimal_symbols, 0);
of the text section, we can compute the relocation amount. */
text_sect = bfd_get_section_by_name (objfile -> obfd, ".text");
- addr -= bfd_section_vma (objfile -> obfd, text_sect);
+ offset = addr - bfd_section_vma (objfile -> obfd, text_sect);
/* Process the normal ELF symbol table first. */
- elf_symtab_read (abfd, addr, objfile);
+ elf_symtab_read (abfd, offset, objfile);
- /* Now process the DWARF debugging information, which is contained in
+ /* Now process debugging information, which is contained in
special ELF sections. We first have to find them... */
(void) memset ((char *) &ei, 0, sizeof (ei));
bfd_map_over_sections (abfd, elf_locate_sections, (PTR) &ei);
if (ei.dboffset && ei.lnoffset)
{
+ /* DWARF sections */
dwarf_build_psymtabs (fileno ((FILE *)(abfd -> iostream)),
bfd_get_filename (abfd),
- addr, mainline,
+ offset, mainline,
ei.dboffset, ei.dbsize,
ei.lnoffset, ei.lnsize, objfile);
}
+ if (ei.stabsect)
+ {
+ /* STABS sections */
+
+ /* FIXME: Sun didn't really know how to implement this well.
+ They made .stab sections that don't point to the .stabstr
+ section with the sh_link field. BFD doesn't make string table
+ sections visible to the caller. So we have to search the
+ ELF section table, not the BFD section table, for the string
+ table. */
+ Elf_Internal_Shdr *elf_sect = bfd_elf_find_section (abfd, ".stabstr");
+
+ if (elf_sect)
+ elfstab_build_psymtabs (objfile,
+ addr, /* We really pass the text seg addr, not the offset, here. */
+ mainline,
+ ei.stabsect->filepos, /* .stab offset */
+ bfd_get_section_size_before_reloc (ei.stabsect),/* .stab size */
+ elf_sect->sh_offset, /* .stabstr offset */
+ elf_sect->sh_size); /* .stabstr size */
+ }
if (!have_partial_symbols ())
{
file is specified (not just adding some symbols from another file, e.g. a
shared library).
- For now at least, we have nothing in particular to do, so this function is
- just a stub. */
+ We reinitialize buildsym, since we may be reading stabs from an ELF file. */
static void
elf_new_init (ignore)
projects / binutils.git / blobdiff