#define ASM_STABN_OP ".stabn"
#endif
-#ifndef DBX_DECL_STABS_CODE
-#define DBX_DECL_STABS_CODE N_LSYM
+#ifndef DBX_TYPE_DECL_STABS_CODE
+#define DBX_TYPE_DECL_STABS_CODE N_LSYM
#endif
#ifndef DBX_STATIC_CONST_VAR_CODE
#define DBX_REGPARM_STABS_LETTER 'P'
#endif
+#ifndef DBX_MEMPARM_STABS_LETTER
+#define DBX_MEMPARM_STABS_LETTER 'p'
+#endif
+
/* Nonzero means if the type has methods, only output debugging
information if methods are actually written to the asm file. */
current_sym_nchars = 0;
}
\f
-/* Subtroutine of `dbxout_type'. Output the type fields of TYPE.
+/* Subroutine of `dbxout_type'. Output the type fields of TYPE.
This must be a separate function because anonymous unions require
recursive calls. */
}
}
\f
-/* Subtroutine of `dbxout_type_methods'. Output debug info about the
+/* Subroutine of `dbxout_type_methods'. Output debug info about the
method described DECL. DEBUG_NAME is an encoding of the method's
type signature. ??? We may be able to do without DEBUG_NAME altogether
now. */
dbxout_type_method_1 (fndecl, debug_name);
}
- putc (';', asmfile);
- CHARS (1);
+ if (!need_prefix)
+ {
+ putc (';', asmfile);
+ CHARS (1);
+ }
}
}
\f
case TYPE_UNSEEN:
break;
case TYPE_XREF:
- if (! full)
+ /* If we have already had a cross reference,
+ and either that's all we want or that's the best we could do,
+ don't repeat the cross reference.
+ Sun dbx crashes if we do. */
+ if (! full || TYPE_SIZE (type) == 0
+ /* No way in DBX fmt to describe a variable size. */
+ || TREE_CODE (TYPE_SIZE (type)) != INTEGER_CST)
return;
break;
case TYPE_DEFINED:
fprintf (asmfile, ":");
return;
}
+#ifdef DBX_OUTPUT_ENUM
+ DBX_OUTPUT_ENUM (asmfile, type);
+#else
putc ('e', asmfile);
CHARS (1);
for (tem = TYPE_VALUES (type); tem; tem = TREE_CHAIN (tem))
}
putc (';', asmfile);
CHARS (1);
+#endif
break;
case POINTER_TYPE:
FORCE_TEXT;
- if (DECL_NAME (decl))
- {
- /* Output typedef name. */
- fprintf (asmfile, "%s \"%s:", ASM_STABS_OP,
- IDENTIFIER_POINTER (DECL_NAME (decl)));
-
- /* If there is a typedecl for this type with the same name
- as the tag, output an abbreviated form for that typedecl. */
- if (use_gdb_dbx_extensions && have_used_extensions
- && (TREE_CODE (type) == RECORD_TYPE
- || TREE_CODE (type) == UNION_TYPE)
- && (TYPE_NAME (type) == decl))
- {
- putc ('T', asmfile);
- TREE_ASM_WRITTEN (TYPE_NAME (type)) = 1;
- }
- putc ('t', asmfile);
- current_sym_code = DBX_DECL_STABS_CODE;
+ {
+ int tag_needed = 1;
- dbxout_type (type, 1, 0);
- dbxout_finish_symbol (decl);
- }
- else if (TYPE_NAME (type) != 0 && !TREE_ASM_WRITTEN (TYPE_NAME (type)))
- {
- /* Output a tag (a TYPE_DECL with no name, but the type has a name).
- This is what represents `struct foo' with no typedef. */
- /* In C++, the name of a type is the corresponding typedef.
- In C, it is an IDENTIFIER_NODE. */
- tree name = TYPE_NAME (type);
- if (TREE_CODE (name) == TYPE_DECL)
- name = DECL_NAME (name);
-
- current_sym_code = DBX_DECL_STABS_CODE;
- current_sym_value = 0;
- current_sym_addr = 0;
- current_sym_nchars = 2 + IDENTIFIER_LENGTH (name);
-
- fprintf (asmfile, "%s \"%s:T", ASM_STABS_OP,
- IDENTIFIER_POINTER (name));
- dbxout_type (type, 1, 0);
- dbxout_finish_symbol (0);
- }
+ if (DECL_NAME (decl))
+ {
+ /* Nonzero means we must output a tag as well as a typedef. */
+ tag_needed = 0;
+
+ /* Output typedef name. */
+ fprintf (asmfile, "%s \"%s:", ASM_STABS_OP,
+ IDENTIFIER_POINTER (DECL_NAME (decl)));
+
+/* #ifndef DBX_NO_EXTRA_TAGS rms: I think this is no longer needed. */
+ /* This section makes absolutely no sense to me. Why would a tag
+ ever be needed at this point? The result of this is that any
+ structure typedef with the tag omitted is treated as if the
+ tag was given to be the same as the typedef name. Probably
+ no harm in it, unless the programmer used the same name for
+ the tag of a *different* structure. At any rate, Alliant's
+ debugger would want the tag output before the typedef, so
+ this code still loses. -- hyc */
+
+ /* Short cut way to output a tag also. */
+ if ((TREE_CODE (type) == RECORD_TYPE
+ || TREE_CODE (type) == UNION_TYPE)
+ && TYPE_NAME (type) == decl)
+ {
+ if (use_gdb_dbx_extensions && have_used_extensions)
+ {
+ putc ('T', asmfile);
+ TREE_ASM_WRITTEN (TYPE_NAME (type)) = 1;
+ }
+ else
+ tag_needed = 1;
+ }
+/* #endif */
- /* Prevent duplicate output of a typedef. */
- TREE_ASM_WRITTEN (decl) = 1;
- break;
+ putc ('t', asmfile);
+ current_sym_code = DBX_TYPE_DECL_STABS_CODE;
+
+ dbxout_type (type, 1, 0);
+ dbxout_finish_symbol (decl);
+ }
+
+ if (tag_needed && TYPE_NAME (type) != 0
+ && !TREE_ASM_WRITTEN (TYPE_NAME (type)))
+ {
+ /* For a TYPE_DECL with no name, but the type has a name,
+ output a tag.
+ This is what represents `struct foo' with no typedef. */
+ /* In C++, the name of a type is the corresponding typedef.
+ In C, it is an IDENTIFIER_NODE. */
+ tree name = TYPE_NAME (type);
+ if (TREE_CODE (name) == TYPE_DECL)
+ name = DECL_NAME (name);
+
+ current_sym_code = DBX_TYPE_DECL_STABS_CODE;
+ current_sym_value = 0;
+ current_sym_addr = 0;
+ current_sym_nchars = 2 + IDENTIFIER_LENGTH (name);
+
+ fprintf (asmfile, "%s \"%s:T", ASM_STABS_OP,
+ IDENTIFIER_POINTER (name));
+ dbxout_type (type, 1, 0);
+ dbxout_finish_symbol (0);
+ }
+
+ /* Prevent duplicate output of a typedef. */
+ TREE_ASM_WRITTEN (decl) = 1;
+ break;
+ }
case PARM_DECL:
/* Parm decls go in their own separate chains
{
current_sym_addr = XEXP (DECL_RTL (decl), 0);
- letter = TREE_PERMANENT (decl) ? 'S' : 'V';
+ letter = decl_function_context (decl) ? 'V' : 'S';
if (!DECL_INITIAL (decl))
current_sym_code = N_LCSYM;
/* Effectively do build_pointer_type, but don't cache this type,
since it might be temporary whereas the type it points to
might have been saved for inlining. */
- type = make_node (REFERENCE_TYPE);
+ /* Don't use REFERENCE_TYPE because dbx can't handle that. */
+ type = make_node (POINTER_TYPE);
TREE_TYPE (type) = TREE_TYPE (decl);
}
else if (GET_CODE (DECL_RTL (decl)) == MEM
{
current_sym_nchars = 2 + IDENTIFIER_LENGTH (DECL_NAME (parms));
- fprintf (asmfile, "%s \"%s:p", ASM_STABS_OP,
- IDENTIFIER_POINTER (DECL_NAME (parms)));
+ fprintf (asmfile, "%s \"%s:%c", ASM_STABS_OP,
+ IDENTIFIER_POINTER (DECL_NAME (parms)),
+ DBX_MEMPARM_STABS_LETTER);
}
else
{
current_sym_nchars = 8;
- fprintf (asmfile, "%s \"(anon):p", ASM_STABS_OP);
+ fprintf (asmfile, "%s \"(anon):%c", ASM_STABS_OP,
+ DBX_MEMPARM_STABS_LETTER);
}
if (GET_CODE (DECL_RTL (parms)) == REG
dbxout_type (DECL_ARG_TYPE (parms), 0, 0);
dbxout_finish_symbol (parms);
}
+ else if (GET_CODE (DECL_RTL (parms)) == MEM
+ && GET_CODE (XEXP (DECL_RTL (parms), 0)) == REG
+ && rtx_equal_p (XEXP (DECL_RTL (parms), 0),
+ DECL_INCOMING_RTL (parms)))
+ {
+ /* Parm was passed via invisible reference.
+ That is, its address was passed in a register.
+ Output it as if it lived in that register.
+ The debugger will know from the type
+ that it was actually passed by invisible reference. */
+
+ char regparm_letter;
+ /* Parm passed in registers and lives in registers or nowhere. */
+
+ current_sym_code = DBX_REGPARM_STABS_CODE;
+ regparm_letter = DBX_REGPARM_STABS_LETTER;
+
+ /* DECL_RTL looks like (MEM (REG...). Get the register number. */
+ current_sym_value = REGNO (XEXP (DECL_RTL (parms), 0));
+ current_sym_addr = 0;
+
+ FORCE_TEXT;
+ if (DECL_NAME (parms))
+ {
+ current_sym_nchars = 2 + strlen (IDENTIFIER_POINTER (DECL_NAME (parms)));
+
+ fprintf (asmfile, "%s \"%s:%c", ASM_STABS_OP,
+ IDENTIFIER_POINTER (DECL_NAME (parms)),
+ DBX_REGPARM_STABS_LETTER);
+ }
+ else
+ {
+ current_sym_nchars = 8;
+ fprintf (asmfile, "%s \"(anon):%c", ASM_STABS_OP,
+ DBX_REGPARM_STABS_LETTER);
+ }
+
+ dbxout_type (TREE_TYPE (parms), 0, 0);
+ dbxout_finish_symbol (parms);
+ }
else if (GET_CODE (DECL_RTL (parms)) == MEM
&& XEXP (DECL_RTL (parms), 0) != const0_rtx)
{
{
current_sym_nchars = 2 + strlen (IDENTIFIER_POINTER (DECL_NAME (parms)));
- fprintf (asmfile, "%s \"%s:p", ASM_STABS_OP,
- IDENTIFIER_POINTER (DECL_NAME (parms)));
+ fprintf (asmfile, "%s \"%s:%c", ASM_STABS_OP,
+ IDENTIFIER_POINTER (DECL_NAME (parms)),
+ DBX_MEMPARM_STABS_LETTER);
}
else
{
current_sym_nchars = 8;
- fprintf (asmfile, "%s \"(anon):p", ASM_STABS_OP);
+ fprintf (asmfile, "%s \"(anon):%c", ASM_STABS_OP,
+ DBX_MEMPARM_STABS_LETTER);
}
current_sym_value
}
}
+#ifdef DBX_OUTPUT_LBRAC
+ DBX_OUTPUT_LBRAC (asmfile, buf);
+#else
fprintf (asmfile, "%s %d,0,0,", ASM_STABN_OP, N_LBRAC);
assemble_name (asmfile, buf);
fprintf (asmfile, "\n");
+#endif
}
else if (depth > 0)
/* Count blocks the same way regardless of debug_info_level. */
{
char buf[20];
ASM_GENERATE_INTERNAL_LABEL (buf, "LBE", blocknum);
+#ifdef DBX_OUTPUT_RBRAC
+ DBX_OUTPUT_RBRAC (asmfile, buf);
+#else
fprintf (asmfile, "%s %d,0,0,", ASM_STABN_OP, N_RBRAC);
assemble_name (asmfile, buf);
fprintf (asmfile, "\n");
+#endif
}
}
block = BLOCK_CHAIN (block);
git://gcc.gnu.org / gcc.git / blobdiff