LOC_COMPUTED_ARG.
(struct symbol): Add is_argument.
(SYMBOL_IS_ARGUMENT): Define.
* ada-lang.c (ada_add_block_symbols): Use SYMBOL_IS_ARGUMENT.
* buildsym.c (finish_block): Likewise.
* stack.c (print_frame_args, print_block_frame_locals)
(print_frame_arg_vars): Likewise.
* symtab.c (lookup_block_symbol): Likewise.
* tracepoint.c (add_local_symbols): Likewise.
* mi/mi-cmd-stack.c (list_args_or_locals): Likewise.
* coffread.c (process_coff_symbol): Set SYMBOL_IS_ARGUMENT.
* dwarf2read.c (new_symbol): Likewise.
* mdebugread.c (parse_symbol): Likewise.
* stabsread.c (define_symbol): Likewise.
* ada-exp.y (select_possible_type_sym): Don't handle LOC_REGPARM
and LOC_COMPUTED_ARG.
* ada-lang.c (resolve_subexp, symtab_for_sym): Likewise.
* ax-gdb.c (gen_var_ref): Likewise.
* eval.c (evaluate_subexp_for_address): Likewise.
* findvar.c (symbol_read_needs_frame, read_var_value): Likewise.
* m2-exp.y (yylex): Likewise.
* printcmd.c (address_info): Likewise.
* symmisc.c (print_symbol, print_partial_symbols): Likewise.
* tracepoint.c (collect_symbol, scope_info): Likewise.
testsuite/:
* gdb.base/frame-args.exp: Handle arguments that are optimized
out.
+2008-05-27 Andreas Schwab <schwab@suse.de>
+
+ * symtab.h (enum address_class): Remove LOC_REGPARM and
+ LOC_COMPUTED_ARG.
+ (struct symbol): Add is_argument.
+ (SYMBOL_IS_ARGUMENT): Define.
+
+ * ada-lang.c (ada_add_block_symbols): Use SYMBOL_IS_ARGUMENT.
+ * buildsym.c (finish_block): Likewise.
+ * stack.c (print_frame_args, print_block_frame_locals)
+ (print_frame_arg_vars): Likewise.
+ * symtab.c (lookup_block_symbol): Likewise.
+ * tracepoint.c (add_local_symbols): Likewise.
+ * mi/mi-cmd-stack.c (list_args_or_locals): Likewise.
+
+ * coffread.c (process_coff_symbol): Set SYMBOL_IS_ARGUMENT.
+ * dwarf2read.c (new_symbol): Likewise.
+ * mdebugread.c (parse_symbol): Likewise.
+ * stabsread.c (define_symbol): Likewise.
+
+ * ada-exp.y (select_possible_type_sym): Don't handle LOC_REGPARM
+ and LOC_COMPUTED_ARG.
+ * ada-lang.c (resolve_subexp, symtab_for_sym): Likewise.
+ * ax-gdb.c (gen_var_ref): Likewise.
+ * eval.c (evaluate_subexp_for_address): Likewise.
+ * findvar.c (symbol_read_needs_frame, read_var_value): Likewise.
+ * m2-exp.y (yylex): Likewise.
+ * printcmd.c (address_info): Likewise.
+ * symmisc.c (print_symbol, print_partial_symbols): Likewise.
+ * tracepoint.c (collect_symbol, scope_info): Likewise.
+
2008-05-24 Carlos Eduardo Seo <cseo@linux.vnet.ibm.com>
* gdbarch.sh: Added new gdbarch struct
case LOC_REGISTER:
case LOC_ARG:
case LOC_REF_ARG:
- case LOC_REGPARM:
case LOC_REGPARM_ADDR:
case LOC_LOCAL:
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
return NULL;
default:
break;
case LOC_REGISTER:
case LOC_ARG:
case LOC_REF_ARG:
- case LOC_REGPARM:
case LOC_REGPARM_ADDR:
case LOC_LOCAL:
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
goto FoundNonType;
default:
break;
case LOC_REGISTER:
case LOC_ARG:
case LOC_REF_ARG:
- case LOC_REGPARM:
case LOC_REGPARM_ADDR:
case LOC_LOCAL:
case LOC_TYPEDEF:
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
for (j = FIRST_LOCAL_BLOCK;
j < BLOCKVECTOR_NBLOCKS (BLOCKVECTOR (s)); j += 1)
{
SYMBOL_DOMAIN (sym), domain)
&& wild_match (name, name_len, SYMBOL_LINKAGE_NAME (sym)))
{
- switch (SYMBOL_CLASS (sym))
- {
- case LOC_ARG:
- case LOC_REF_ARG:
- case LOC_REGPARM:
- case LOC_REGPARM_ADDR:
- case LOC_COMPUTED_ARG:
- arg_sym = sym;
- break;
- case LOC_UNRESOLVED:
- continue;
- default:
+ if (SYMBOL_CLASS (sym) == LOC_UNRESOLVED)
+ continue;
+ else if (SYMBOL_IS_ARGUMENT (sym))
+ arg_sym = sym;
+ else
+ {
found_sym = 1;
add_defn_to_vec (obstackp,
fixup_symbol_section (sym, objfile),
block);
- break;
}
}
}
if (cmp == 0
&& is_name_suffix (SYMBOL_LINKAGE_NAME (sym) + name_len))
{
- switch (SYMBOL_CLASS (sym))
- {
- case LOC_ARG:
- case LOC_REF_ARG:
- case LOC_REGPARM:
- case LOC_REGPARM_ADDR:
- case LOC_COMPUTED_ARG:
- arg_sym = sym;
- break;
- case LOC_UNRESOLVED:
- break;
- default:
- found_sym = 1;
- add_defn_to_vec (obstackp,
- fixup_symbol_section (sym, objfile),
- block);
- break;
- }
+ if (SYMBOL_CLASS (sym) != LOC_UNRESOLVED)
+ {
+ if (SYMBOL_IS_ARGUMENT (sym))
+ arg_sym = sym;
+ else
+ {
+ found_sym = 1;
+ add_defn_to_vec (obstackp,
+ fixup_symbol_section (sym, objfile),
+ block);
+ }
+ }
}
}
}
if (cmp == 0
&& is_name_suffix (SYMBOL_LINKAGE_NAME (sym) + name_len + 5))
{
- switch (SYMBOL_CLASS (sym))
- {
- case LOC_ARG:
- case LOC_REF_ARG:
- case LOC_REGPARM:
- case LOC_REGPARM_ADDR:
- case LOC_COMPUTED_ARG:
- arg_sym = sym;
- break;
- case LOC_UNRESOLVED:
- break;
- default:
- found_sym = 1;
- add_defn_to_vec (obstackp,
- fixup_symbol_section (sym, objfile),
- block);
- break;
- }
+ if (SYMBOL_CLASS (sym) != LOC_UNRESOLVED)
+ {
+ if (SYMBOL_IS_ARGUMENT (sym))
+ arg_sym = sym;
+ else
+ {
+ found_sym = 1;
+ add_defn_to_vec (obstackp,
+ fixup_symbol_section (sym, objfile),
+ block);
+ }
+ }
}
}
}
break;
case LOC_REGISTER:
- case LOC_REGPARM:
/* Don't generate any code at all; in the process of treating
this as an lvalue or rvalue, the caller will generate the
right code. */
break;
/* A lot like LOC_REF_ARG, but the pointer lives directly in a
- register, not on the stack. Simpler than LOC_REGISTER and
- LOC_REGPARM, because it's just like any other case where the
- thing has a real address. */
+ register, not on the stack. Simpler than LOC_REGISTER
+ because it's just like any other case where the thing
+ has a real address. */
case LOC_REGPARM_ADDR:
ax_reg (ax, SYMBOL_VALUE (var));
value->kind = axs_lvalue_memory;
break;
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
/* FIXME: cagney/2004-01-26: It should be possible to
unconditionally call the SYMBOL_OPS method when available.
Unfortunately DWARF 2 stores the frame-base (instead of the
struct symbol *sym;
ALL_BLOCK_SYMBOLS (block, iter, sym)
{
- switch (SYMBOL_CLASS (sym))
- {
- case LOC_ARG:
- case LOC_REF_ARG:
- case LOC_REGPARM:
- case LOC_REGPARM_ADDR:
- case LOC_COMPUTED_ARG:
- nparams++;
- break;
- case LOC_UNDEF:
- case LOC_CONST:
- case LOC_STATIC:
- case LOC_REGISTER:
- case LOC_LOCAL:
- case LOC_TYPEDEF:
- case LOC_LABEL:
- case LOC_BLOCK:
- case LOC_CONST_BYTES:
- case LOC_UNRESOLVED:
- case LOC_OPTIMIZED_OUT:
- case LOC_COMPUTED:
- default:
- break;
- }
+ if (SYMBOL_IS_ARGUMENT (sym))
+ nparams++;
}
if (nparams > 0)
{
if (iparams == nparams)
break;
- switch (SYMBOL_CLASS (sym))
+ if (SYMBOL_IS_ARGUMENT (sym))
{
- case LOC_ARG:
- case LOC_REF_ARG:
- case LOC_REGPARM:
- case LOC_REGPARM_ADDR:
- case LOC_COMPUTED_ARG:
TYPE_FIELD_TYPE (ftype, iparams) = SYMBOL_TYPE (sym);
TYPE_FIELD_ARTIFICIAL (ftype, iparams) = 0;
iparams++;
- break;
- case LOC_UNDEF:
- case LOC_CONST:
- case LOC_STATIC:
- case LOC_REGISTER:
- case LOC_LOCAL:
- case LOC_TYPEDEF:
- case LOC_LABEL:
- case LOC_BLOCK:
- case LOC_CONST_BYTES:
- case LOC_UNRESOLVED:
- case LOC_OPTIMIZED_OUT:
- case LOC_COMPUTED:
- default:
- break;
}
}
}
case C_ARG:
SYMBOL_CLASS (sym) = LOC_ARG;
+ SYMBOL_IS_ARGUMENT (sym) = 1;
add_symbol_to_list (sym, &local_symbols);
break;
case C_REGPARM:
- SYMBOL_CLASS (sym) = LOC_REGPARM;
+ SYMBOL_CLASS (sym) = LOC_REGISTER;
+ SYMBOL_IS_ARGUMENT (sym) = 1;
SYMBOL_VALUE (sym) = gdbarch_sdb_reg_to_regnum
(current_gdbarch, cs->c_value);
add_symbol_to_list (sym, &local_symbols);
}
break;
case DW_TAG_formal_parameter:
+ SYMBOL_IS_ARGUMENT (sym) = 1;
attr = dwarf2_attr (die, DW_AT_location, cu);
if (attr)
{
var_decode_location (attr, sym, cu);
- /* FIXME drow/2003-07-31: Is LOC_COMPUTED_ARG necessary? */
- if (SYMBOL_CLASS (sym) == LOC_COMPUTED)
- SYMBOL_CLASS (sym) = LOC_COMPUTED_ARG;
}
attr = dwarf2_attr (die, DW_AT_const_value, cu);
if (attr)
if (sym_class == LOC_CONST
|| sym_class == LOC_CONST_BYTES
- || sym_class == LOC_REGISTER
- || sym_class == LOC_REGPARM)
+ || sym_class == LOC_REGISTER)
error (_("Attempt to take address of register or constant."));
return
/* All cases listed explicitly so that gcc -Wall will detect it if
we failed to consider one. */
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
/* FIXME: cagney/2004-01-26: It should be possible to
unconditionally call the SYMBOL_OPS method when available.
Unfortunately DWARF 2 stores the frame-base (instead of the
case LOC_REGISTER:
case LOC_ARG:
case LOC_REF_ARG:
- case LOC_REGPARM:
case LOC_REGPARM_ADDR:
case LOC_LOCAL:
return 1;
int len;
if (SYMBOL_CLASS (var) == LOC_COMPUTED
- || SYMBOL_CLASS (var) == LOC_COMPUTED_ARG
- || SYMBOL_CLASS (var) == LOC_REGISTER
- || SYMBOL_CLASS (var) == LOC_REGPARM)
+ || SYMBOL_CLASS (var) == LOC_REGISTER)
/* These cases do not use V. */
v = NULL;
else
return v;
case LOC_REGISTER:
- case LOC_REGPARM:
case LOC_REGPARM_ADDR:
{
struct block *b;
break;
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
/* FIXME: cagney/2004-01-26: It should be possible to
unconditionally call the SYMBOL_OPS method when available.
Unfortunately DWARF 2 stores the frame-base (instead of the
case LOC_REGISTER:
case LOC_ARG:
case LOC_REF_ARG:
- case LOC_REGPARM:
case LOC_REGPARM_ADDR:
case LOC_LOCAL:
case LOC_CONST:
case LOC_CONST_BYTES:
case LOC_OPTIMIZED_OUT:
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
return NAME;
case LOC_TYPEDEF:
s = new_symbol (name);
SYMBOL_DOMAIN (s) = VAR_DOMAIN;
+ SYMBOL_IS_ARGUMENT (s) = 1;
switch (sh->sc)
{
case scRegister:
/* Pass by value in register. */
- SYMBOL_CLASS (s) = LOC_REGPARM;
+ SYMBOL_CLASS (s) = LOC_REGISTER;
svalue = gdbarch_ecoff_reg_to_regnum (current_gdbarch, svalue);
break;
case scVar:
if (iparams == nparams)
break;
- switch (SYMBOL_CLASS (sym))
+ if (SYMBOL_IS_ARGUMENT (sym))
{
- case LOC_ARG:
- case LOC_REF_ARG:
- case LOC_REGPARM:
- case LOC_REGPARM_ADDR:
TYPE_FIELD_TYPE (ftype, iparams) = SYMBOL_TYPE (sym);
TYPE_FIELD_ARTIFICIAL (ftype, iparams) = 0;
iparams++;
- break;
- default:
- break;
}
}
}
case LOC_ARG: /* argument */
case LOC_REF_ARG: /* reference arg */
- case LOC_REGPARM: /* register arg */
case LOC_REGPARM_ADDR: /* indirect register arg */
- case LOC_COMPUTED_ARG: /* arg with computed location */
- if (!locals)
- print_me = 1;
- break;
-
case LOC_LOCAL: /* stack local */
case LOC_STATIC: /* static */
case LOC_REGISTER: /* register */
case LOC_COMPUTED: /* computed location */
- if (locals)
+ if (SYMBOL_IS_ARGUMENT (sym) ? !locals : locals)
print_me = 1;
break;
}
block, VAR_DOMAIN,
(int *) NULL);
else
- sym2 = sym;
+ sym2 = sym;
switch (values)
{
case PRINT_SIMPLE_VALUES:
break;
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
/* FIXME: cagney/2004-01-26: It should be possible to
unconditionally call the SYMBOL_OPS method when available.
Unfortunately DWARF 2 stores the frame-base (instead of the
break;
case LOC_REGISTER:
- printf_filtered (_("a variable in register %s"),
+ if (SYMBOL_IS_ARGUMENT (sym))
+ printf_filtered (_("an argument in register %s"),
+ gdbarch_register_name (current_gdbarch, val));
+ else
+ printf_filtered (_("a variable in register %s"),
gdbarch_register_name (current_gdbarch, val));
break;
}
break;
- case LOC_REGPARM:
- printf_filtered (_("an argument in register %s"),
- gdbarch_register_name (current_gdbarch, val));
- break;
-
case LOC_REGPARM_ADDR:
printf_filtered (_("address of an argument in register %s"),
gdbarch_register_name (current_gdbarch, val));
SYMBOL_CLASS (sym) = LOC_ARG;
SYMBOL_VALUE (sym) = valu;
SYMBOL_DOMAIN (sym) = VAR_DOMAIN;
+ SYMBOL_IS_ARGUMENT (sym) = 1;
add_symbol_to_list (sym, &local_symbols);
if (gdbarch_byte_order (gdbarch) != BFD_ENDIAN_BIG)
case 'R':
/* Parameter which is in a register. */
SYMBOL_TYPE (sym) = read_type (&p, objfile);
- SYMBOL_CLASS (sym) = LOC_REGPARM;
+ SYMBOL_CLASS (sym) = LOC_REGISTER;
+ SYMBOL_IS_ARGUMENT (sym) = 1;
SYMBOL_VALUE (sym) = gdbarch_stab_reg_to_regnum (current_gdbarch, valu);
if (SYMBOL_VALUE (sym) >= gdbarch_num_regs (current_gdbarch)
+ gdbarch_num_pseudo_regs (current_gdbarch))
&& strcmp (DEPRECATED_SYMBOL_NAME (prev_sym),
DEPRECATED_SYMBOL_NAME (sym)) == 0)
{
- SYMBOL_CLASS (prev_sym) = LOC_REGPARM;
+ SYMBOL_CLASS (prev_sym) = LOC_REGISTER;
/* Use the type from the LOC_REGISTER; that is the type
that is actually in that register. */
SYMBOL_TYPE (prev_sym) = SYMBOL_TYPE (sym);
/* Reference parameter */
SYMBOL_TYPE (sym) = read_type (&p, objfile);
SYMBOL_CLASS (sym) = LOC_REF_ARG;
+ SYMBOL_IS_ARGUMENT (sym) = 1;
SYMBOL_VALUE (sym) = valu;
SYMBOL_DOMAIN (sym) = VAR_DOMAIN;
add_symbol_to_list (sym, &local_symbols);
/* Reference parameter which is in a register. */
SYMBOL_TYPE (sym) = read_type (&p, objfile);
SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
+ SYMBOL_IS_ARGUMENT (sym) = 1;
SYMBOL_VALUE (sym) = gdbarch_stab_reg_to_regnum (current_gdbarch, valu);
if (SYMBOL_VALUE (sym) >= gdbarch_num_regs (current_gdbarch)
+ gdbarch_num_pseudo_regs (current_gdbarch))
register or on the stack) instead of the structure itself. */
if (gdbarch_stabs_argument_has_addr (gdbarch, SYMBOL_TYPE (sym))
- && (SYMBOL_CLASS (sym) == LOC_REGPARM || SYMBOL_CLASS (sym) == LOC_ARG))
+ && SYMBOL_IS_ARGUMENT (sym))
{
- /* We have to convert LOC_REGPARM to LOC_REGPARM_ADDR (for
+ /* We have to convert LOC_REGISTER to LOC_REGPARM_ADDR (for
variables passed in a register). */
- if (SYMBOL_CLASS (sym) == LOC_REGPARM)
+ if (SYMBOL_CLASS (sym) == LOC_REGISTER)
SYMBOL_CLASS (sym) = LOC_REGPARM_ADDR;
/* Likewise for converting LOC_ARG to LOC_REF_ARG (for the 7th
and subsequent arguments on SPARC, for example). */
/* Keep track of the highest stack argument offset seen, and
skip over any kinds of symbols we don't care about. */
+ if (!SYMBOL_IS_ARGUMENT (sym))
+ continue;
+
switch (SYMBOL_CLASS (sym))
{
case LOC_ARG:
/* We care about types of symbols, but don't need to
keep track of stack offsets in them. */
- case LOC_REGPARM:
+ case LOC_REGISTER:
case LOC_REGPARM_ADDR:
- case LOC_COMPUTED_ARG:
- break;
-
- /* Other types of symbols we just skip over. */
+ case LOC_COMPUTED:
+ case LOC_OPTIMIZED_OUT:
default:
- continue;
+ break;
}
/* We have to look up the symbol because arguments can have
nsym = lookup_symbol (DEPRECATED_SYMBOL_NAME (sym),
b, VAR_DOMAIN, NULL);
gdb_assert (nsym != NULL);
- if (SYMBOL_CLASS (nsym) == LOC_REGISTER)
+ if (SYMBOL_CLASS (nsym) == LOC_REGISTER
+ && !SYMBOL_IS_ARGUMENT (nsym))
{
/* There is a LOC_ARG/LOC_REGISTER pair. This means
that it was passed on the stack and loaded into a
case LOC_REGISTER:
case LOC_STATIC:
case LOC_COMPUTED:
+ if (SYMBOL_IS_ARGUMENT (sym))
+ break;
values_printed = 1;
for (j = 0; j < num_tabs; j++)
fputs_filtered ("\t", stream);
b = SYMBOL_BLOCK_VALUE (func);
ALL_BLOCK_SYMBOLS (b, iter, sym)
{
- switch (SYMBOL_CLASS (sym))
+ /* Don't worry about things which aren't arguments. */
+ if (SYMBOL_IS_ARGUMENT (sym))
{
- case LOC_ARG:
- case LOC_REF_ARG:
- case LOC_REGPARM:
- case LOC_REGPARM_ADDR:
- case LOC_COMPUTED_ARG:
values_printed = 1;
fputs_filtered (SYMBOL_PRINT_NAME (sym), stream);
fputs_filtered (" = ", stream);
b, VAR_DOMAIN, NULL);
print_variable_value (sym2, frame, stream);
fprintf_filtered (stream, "\n");
- break;
-
- default:
- /* Don't worry about things which aren't arguments. */
- break;
}
}
break;
case LOC_REGISTER:
- fprintf_filtered (outfile, "register %ld", SYMBOL_VALUE (symbol));
+ if (SYMBOL_IS_ARGUMENT (symbol))
+ fprintf_filtered (outfile, "parameter register %ld",
+ SYMBOL_VALUE (symbol));
+ else
+ fprintf_filtered (outfile, "register %ld", SYMBOL_VALUE (symbol));
break;
case LOC_ARG:
fprintf_filtered (outfile, "reference arg at 0x%lx", SYMBOL_VALUE (symbol));
break;
- case LOC_REGPARM:
- fprintf_filtered (outfile, "parameter register %ld", SYMBOL_VALUE (symbol));
- break;
-
case LOC_REGPARM_ADDR:
fprintf_filtered (outfile, "address parameter register %ld", SYMBOL_VALUE (symbol));
break;
break;
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
fprintf_filtered (outfile, "computed at runtime");
break;
case LOC_REF_ARG:
fputs_filtered ("pass by reference", outfile);
break;
- case LOC_REGPARM:
- fputs_filtered ("register parameter", outfile);
- break;
case LOC_REGPARM_ADDR:
fputs_filtered ("register address parameter", outfile);
break;
fputs_filtered ("optimized out", outfile);
break;
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
fputs_filtered ("computed at runtime", outfile);
break;
default:
? strcmp (SYMBOL_LINKAGE_NAME (sym), linkage_name) == 0 : 1))
{
sym_found = sym;
- if (SYMBOL_CLASS (sym) != LOC_ARG &&
- SYMBOL_CLASS (sym) != LOC_REF_ARG &&
- SYMBOL_CLASS (sym) != LOC_REGPARM &&
- SYMBOL_CLASS (sym) != LOC_REGPARM_ADDR &&
- SYMBOL_CLASS (sym) != LOC_COMPUTED_ARG)
+ if (!SYMBOL_IS_ARGUMENT (sym))
{
break;
}
LOC_STATIC,
- /* Value is in register. SYMBOL_VALUE is the register number. */
+ /* Value is in register. SYMBOL_VALUE is the register number.
+
+ For some symbol formats (stabs, for some compilers at least),
+ the compiler generates two symbols, an argument and a register.
+ In some cases we combine them to a single LOC_REGISTER in symbol
+ reading, but currently not for all cases (e.g. it's passed on the
+ stack and then loaded into a register). */
LOC_REGISTER,
LOC_REF_ARG,
- /* Value is in register number SYMBOL_VALUE. Just like LOC_REGISTER
- except this is an argument. Probably the cleaner way to handle
- this would be to separate address_class (which would include
- separate ARG and LOCAL to deal with the frame's arguments
- (get_frame_args_address) versus the frame's locals
- (get_frame_locals_address), and an is_argument flag.
-
- For some symbol formats (stabs, for some compilers at least),
- the compiler generates two symbols, an argument and a register.
- In some cases we combine them to a single LOC_REGPARM in symbol
- reading, but currently not for all cases (e.g. it's passed on the
- stack and then loaded into a register). */
-
- LOC_REGPARM,
-
- /* Value is in specified register. Just like LOC_REGPARM except the
+ /* Value is in specified register. Just like LOC_REGISTER except the
register holds the address of the argument instead of the argument
itself. This is currently used for the passing of structs and unions
on sparc and hppa. It is also used for call by reference where the
/* The variable's address is computed by a set of location
functions (see "struct symbol_ops" below). */
LOC_COMPUTED,
-
- /* Same as LOC_COMPUTED, but for function arguments. */
- LOC_COMPUTED_ARG
};
/* The methods needed to implement a symbol class. These methods can
ENUM_BITFIELD(address_class) aclass : 6;
+ /* Whether this is an argument. */
+
+ unsigned is_argument : 1;
+
/* Line number of definition. FIXME: Should we really make the assumption
that nobody will try to debug files longer than 64K lines? What about
machine generated programs? */
/* An arbitrary data pointer, allowing symbol readers to record
additional information on a per-symbol basis. Note that this data
must be allocated using the same obstack as the symbol itself. */
- /* So far it is only used by LOC_COMPUTED and LOC_COMPUTED_ARG to
+ /* So far it is only used by LOC_COMPUTED to
find the location information. For a LOC_BLOCK symbol
for a function in a compilation unit compiled with DWARF 2
information, this is information used internally by the DWARF 2
#define SYMBOL_DOMAIN(symbol) (symbol)->domain
#define SYMBOL_CLASS(symbol) (symbol)->aclass
+#define SYMBOL_IS_ARGUMENT(symbol) (symbol)->is_argument
#define SYMBOL_TYPE(symbol) (symbol)->type
#define SYMBOL_LINE(symbol) (symbol)->line
#define SYMBOL_SYMTAB(symbol) (symbol)->symtab
+2008-05-27 Andreas Schwab <schwab@suse.de>
+
+ * gdb.base/frame-args.exp: Handle arguments that are optimized
+ out.
+
2008-05-26 Luis Machado <luisgpm@br.ibm.com>
* gdb.arch/ppc64-atomic-inst.exp: Make the expected compile failure
"" \
"set print frame-arguments all"
gdb_test "frame 1" \
- ".*in call_me \\(i=3, f=5, s={a = 3, b = 5}, ss=0x\[0-9a-f\]\+, u={.*}, e=green\\) at .*frame-args\\.c:.*" \
+ ".*in call_me \\(i=3, f=5, s=({a = 3, b = 5}|<value optimized out>), ss=0x\[0-9a-f\]\+, u=({.*}|<value optimized out>), e=green\\) at .*frame-args\\.c:.*" \
"frame 1 with print frame-arguments set to all"
# Test with "print frame-arguments" set to "scalars"
add_memrange (collect, memrange_absolute, offset, len);
break;
case LOC_REGISTER:
- case LOC_REGPARM:
reg = SYMBOL_VALUE (sym);
if (info_verbose)
printf_filtered ("LOC_REG[parm] %s: ",
QUIT; /* allow user to bail out with ^C */
ALL_BLOCK_SYMBOLS (block, iter, sym)
{
- switch (SYMBOL_CLASS (sym))
+ if (SYMBOL_IS_ARGUMENT (sym)
+ ? type == 'A' /* collecting Arguments */
+ : type == 'L') /* collecting Locals */
{
- default:
- warning (_("don't know how to trace local symbol %s"),
- DEPRECATED_SYMBOL_NAME (sym));
- case LOC_LOCAL:
- case LOC_STATIC:
- case LOC_REGISTER:
- if (type == 'L') /* collecting Locals */
- {
- count++;
- collect_symbol (collect, sym, frame_regno,
- frame_offset);
- }
- break;
- case LOC_ARG:
- case LOC_REF_ARG:
- case LOC_REGPARM:
- case LOC_REGPARM_ADDR:
- if (type == 'A') /* collecting Arguments */
- {
- count++;
- collect_symbol (collect, sym, frame_regno,
- frame_offset);
- }
+ count++;
+ collect_symbol (collect, sym, frame_regno,
+ frame_offset);
}
}
if (BLOCK_FUNCTION (block))
printf_filtered ("%s", paddress (SYMBOL_VALUE_ADDRESS (sym)));
break;
case LOC_REGISTER:
- printf_filtered ("a local variable in register $%s",
- gdbarch_register_name
+ if (SYMBOL_IS_ARGUMENT (sym))
+ printf_filtered ("an argument in register $%s",
+ gdbarch_register_name
+ (current_gdbarch, SYMBOL_VALUE (sym)));
+ else
+ printf_filtered ("a local variable in register $%s",
+ gdbarch_register_name
(current_gdbarch, SYMBOL_VALUE (sym)));
break;
case LOC_ARG:
printf_filtered ("a reference argument at offset %ld",
SYMBOL_VALUE (sym));
break;
- case LOC_REGPARM:
- printf_filtered ("an argument in register $%s",
- gdbarch_register_name
- (current_gdbarch, SYMBOL_VALUE (sym)));
- break;
case LOC_REGPARM_ADDR:
printf_filtered ("the address of an argument, in register $%s",
gdbarch_register_name
printf_filtered ("optimized out.\n");
continue;
case LOC_COMPUTED:
- case LOC_COMPUTED_ARG:
SYMBOL_OPS (sym)->describe_location (sym, gdb_stdout);
break;
}
projects / external / binutils.git / commitdiff