* c-exp.y (THIS): Delete token and grammar rule.

        (yylex): Don't return THIS.
        * cp-valprint.c (vtbl_ptr_name_old): Delete.
        (cp_is_vtbl_ptr_type): Don't check vtbl_ptr_name_old.
        * demangle.c (cplus_markers): Update comment.  Put '$'
        first.  Remove CPLUS_MARKER.
        (_initialize_demangler): Don't call set_cplus_marker_for_demangling.
        * jv-exp.y (THIS): Delete token and grammar rule.
        (yylex): Don't return THIS.
        * mips-tdep.c (mips_dump_tdep): Don't dump CPLUS_MARKER.
        * objc-exp.y (THIS): Delete token and grammar rule.
        (yylex): Don't return THIS.
        * p-exp.y (yylex): Remove reference to CPLUS_MARKER.
        * stabsread.c (vptr_name, vb_name): Replace CPLUS_MARKER with '$'.
        (read_member_functions): Likewise for opname.
        (read_tilde_fields): Use is_cplus_marker.

        * defs.h (CPLUS_MARKER): Don't define.
        * config/tm-sysv4.h (CPLUS_MARKER): Likewise.
        * config/i386/xm-i386sco.h (CPLUS_MARKER): Likewise.
        * config/mips/tm-irix3.h (CPLUS_MARKER): Likewise.
        * config/mips/tm-irix6.h (CPLUS_MARKER): Likewise.
        * config/rs6000/tm-rs6000.h (CPLUS_MARKER): Likewise.

        * config/i386/tm-i386v4.h: Delete file.
        * config/djgpp/fnchange.lst: Delete tm-i386v4.h.
        * config/i386/tm-i386sol2.h: Include "i386/tm-i386.h" instead.
        * config/i386/tm-i386v42mp.h: Include "i386/tm-i386.h" instead.
        * config/i386/tm-ptx.h: Include "i386/tm-i386.h" instead.
        * config/i386/i386gnu.mt (TM_FILE): Use tm-i386.h.
        * config/i386/i386sco5.mt (TM_FILE): Likewise.
        * config/i386/i386v4.mt (TM_FILE): Likewise.
        * config/i386/ncr3000.mt (TM_FILE): Likewise.

1 files changed, 12 insertions, 19 deletions

diff --git a/gdb/demangle.c b/gdb/demangle.c
index 1fd69be..2b9579b 100644
--- a/gdb/demangle.c
+++ b/gdb/demangle.c
@@ -150,24 +150,18 @@ set_demangling_style (char *style)
   set_demangling_command ((char *) NULL, 0, (struct cmd_list_element *) NULL);
 }
 
-/* In order to allow a single demangler executable to demangle strings
-   using various common values of CPLUS_MARKER, as well as any specific
-   one set at compile time, we maintain a string containing all the
-   commonly used ones, and check to see if the marker we are looking for
-   is in that string.  CPLUS_MARKER is usually '$' on systems where the
-   assembler can deal with that.  Where the assembler can't, it's usually
-   '.' (but on many systems '.' is used for other things).  We put the
-   current defined CPLUS_MARKER first (which defaults to '$'), followed
-   by the next most common value, followed by an explicit '$' in case
-   the value of CPLUS_MARKER is not '$'.
-
-   We could avoid this if we could just get g++ to tell us what the actual
-   cplus marker character is as part of the debug information, perhaps by
-   ensuring that it is the character that terminates the gcc<n>_compiled
-   marker symbol (FIXME). */
-
-static char cplus_markers[] =
-{CPLUS_MARKER, '.', '$', '\0'};
+/* G++ uses a special character to indicate certain internal names.  Which
+   character it is depends on the platform:
+   - Usually '$' on systems where the assembler will accept that
+   - Usually '.' otherwise (this includes most sysv4-like systems and most
+     ELF targets)
+   - Occasionally '_' if neither of the above is usable
+
+   We check '$' first because it is the safest, and '.' often has another
+   meaning.  We don't currently try to handle '_' because the precise forms
+   of the names are different on those targets.  */
+
+static char cplus_markers[] = {'$', '.', '\0'};
 
 int
 is_cplus_marker (int c)
@@ -204,5 +198,4 @@ Use `set demangle-style' without arguments for a list of demangling styles.",
 
   /* Set the default demangling style chosen at compilation time. */
   set_demangling_style (DEFAULT_DEMANGLING_STYLE);
-  set_cplus_marker_for_demangling (CPLUS_MARKER);
 }