Re: RFC: partial symbol table address range generalization

[Jim Blandy <jimb at zwingli dot cygnus dot com>]

I've committed this initial change.

I also inadvertently committed a change to symfile.c, and reverted
it.  If you get errors compiling symfile.c, try updating it.

Jim Blandy <jimb@cygnus.com> writes:
> Below is the first patch in the series.  It's meant to have no effect
> on GDB's behavior.
> 
> 
> 2001-10-23  Jim Blandy  <jimb@redhat.com>
> 
> 	Isolate STABS readers' use of the `textlow' and `texthigh' fields
> 	of `struct partial_symtab' to only a few locations.  This change
> 	is not supposed to affect the way the values are computed, only
> 	where they live.
> 
> 	* dbxread.c (struct symloc): Add `textlow' and `texthigh' fields
> 	to the reader-specific structure.
> 	* mdebugread.c (struct symloc): Same.
> 	* dbxread.c (TEXTLOW, TEXTHIGH): New accessor macros.
> 	* mdebugread.c (TEXTLOW, TEXTHIGH): Same.
> 	* dbxread.c (dbx_symfile_read): After we've built all our partial
> 	symbol tables, set each partial symtab's `textlow' and `texthigh'
> 	fields from our reader-specific structure.
> 	* mdebugread.c (mdebug_build_psymtabs): Same.
> 	* dbxread.c (start_psymtab): Initialize the reader-specific
> 	structure's `textlow' and `texthigh' from the new psymtab's.
> 	* mdebugread.c (parse_partial_symbols, new_psymtab): Same.
> 	* dbxread.c (read_dbx_symtab, end_psymtab, read_ofile_symtab): Use
> 	the reader-specific `textlow' and `texthigh', not the generic
> 	psymtab fields.
> 	* mdebugread.c (parse_lines, parse_partial_symbols,
> 	psymtab_to_symtab_1): Same.
> 	* partial-stab.h: Same.