[PATCH] Add casts for legitimate integer to enum conversions

Simon Marchi simon.marchi@ericsson.com
Thu Aug 6 21:25:00 GMT 2015


On 15-08-06 03:34 PM, Simon Marchi wrote:
> This patch is mostly extracted from Pedro's C++ branch.  It adds explicit
> casts from integer to enum types, where it is really the intention to do
> so.  This could be because we are ...
> 
>  * iterating on enum values (we need to iterate on an equivalent integer)
>  * converting from a value read from bytes (dwarf attribute, agent
>  expression opcode) to the equivalent enum
>  * reading the equivalent integer value from another language (Python/Guile)
> 
> An exception to that is the casts in regcache.c.  It seems to me like
> struct regcache's register_status field could be a pointer to an array of
> enum register_status.  Doing so would waste a bit of memory (4 bytes
> used by the enum vs 1 byte used by the current signed char, for each
> register).  If we switch to C++11 one day, we can define the underlying
> type of an enum type, so we could have the best of both worlds.
> 
> gdb/ChangeLog:
> 
> 	* arm-tdep.c (set_fp_model_sfunc): Add cast from integer to enum.
> 	(arm_set_abi): Likewise.
> 	* ax-general.c (ax_print): Likewise.
> 	* c-exp.y (exp : string_exp): Likewise.
> 	* compile/compile-loc2c.c (compute_stack_depth_worker): Likewise.
> 	(do_compile_dwarf_expr_to_c): Likewise.
> 	* cp-name-parser.y (demangler_special : DEMANGLER_SPECIAL start):
> 	Likewise.
> 	* dwarf2expr.c (execute_stack_op): Likewise.
> 	* dwarf2loc.c (dwarf2_compile_expr_to_ax): Likewise.
> 	(disassemble_dwarf_expression): Likewise.
> 	* dwarf2read.c (dwarf2_add_member_fn): Likewise.
> 	(read_array_order): Likewise.
> 	(abbrev_table_read_table): Likewise.
> 	(read_attribute_value): Likewise.
> 	(skip_unknown_opcode): Likewise.
> 	(dwarf_decode_macro_bytes): Likewise.
> 	(dwarf_decode_macros): Likewise.
> 	* eval.c (value_f90_subarray): Likewise.
> 	* guile/scm-param.c (gdbscm_make_parameter): Likewise.
> 	* i386-linux-tdep.c (i386_canonicalize_syscall): Likewise.
> 	* infrun.c (handle_command): Likewise.
> 	* memory-map.c (memory_map_start_memory): Likewise.
> 	* osabi.c (set_osabi): Likewise.
> 	* parse.c (operator_length_standard): Likewise.
> 	* ppc-linux-tdep.c (ppc_canonicalize_syscall): Likewise, and use
> 	single return point.
> 	* python/py-frame.c (gdbpy_frame_stop_reason_string): Likewise.
> 	* python/py-symbol.c (gdbpy_lookup_symbol): Likewise.
> 	(gdbpy_lookup_global_symbol): Likewise.
> 	* record-full.c (record_full_restore): Likewise.
> 	* regcache.c (regcache_register_status): Likewise.
> 	(regcache_raw_read): Likewise.
> 	(regcache_cooked_read): Likewise.
> 	* rs6000-tdep.c (powerpc_set_vector_abi): Likewise.
> 	* symtab.c (initialize_ordinary_address_classes): Likewise.
> 	* target-debug.h (target_debug_print_signals): Likewise.
> 	* utils.c (do_restore_current_language): Likewise.
> ---
>  gdb/arm-tdep.c              |  4 ++--
>  gdb/ax-general.c            |  2 +-
>  gdb/c-exp.y                 |  2 +-
>  gdb/compile/compile-loc2c.c |  4 ++--
>  gdb/cp-name-parser.y        |  2 +-
>  gdb/dwarf2expr.c            |  2 +-
>  gdb/dwarf2loc.c             |  4 ++--
>  gdb/dwarf2read.c            | 27 +++++++++++++++++----------
>  gdb/eval.c                  |  3 ++-
>  gdb/guile/scm-param.c       |  2 +-
>  gdb/i386-linux-tdep.c       |  2 +-
>  gdb/infrun.c                |  2 +-
>  gdb/memory-map.c            |  2 +-
>  gdb/osabi.c                 | 16 ++++++++++------
>  gdb/parse.c                 |  3 ++-
>  gdb/ppc-linux-tdep.c        | 31 +++++++++++++++++--------------
>  gdb/python/py-frame.c       |  2 +-
>  gdb/python/py-symbol.c      |  5 +++--
>  gdb/record-full.c           |  2 +-
>  gdb/regcache.c              |  6 +++---
>  gdb/rs6000-tdep.c           |  2 +-
>  gdb/symtab.c                |  2 +-
>  gdb/target-debug.h          |  5 ++++-
>  gdb/utils.c                 |  2 +-
>  24 files changed, 77 insertions(+), 57 deletions(-)
> 
> diff --git a/gdb/arm-tdep.c b/gdb/arm-tdep.c
> index a458c9a..73f26b9 100644
> --- a/gdb/arm-tdep.c
> +++ b/gdb/arm-tdep.c
> @@ -9408,7 +9408,7 @@ set_fp_model_sfunc (char *args, int from_tty,
>    for (fp_model = ARM_FLOAT_AUTO; fp_model != ARM_FLOAT_LAST; fp_model++)
>      if (strcmp (current_fp_model, fp_model_strings[fp_model]) == 0)
>        {
> -	arm_fp_model = fp_model;
> +	arm_fp_model = (enum arm_float_model) fp_model;
>  	break;
>        }
>  
> @@ -9445,7 +9445,7 @@ arm_set_abi (char *args, int from_tty,
>    for (arm_abi = ARM_ABI_AUTO; arm_abi != ARM_ABI_LAST; arm_abi++)
>      if (strcmp (arm_abi_string, arm_abi_strings[arm_abi]) == 0)
>        {
> -	arm_abi_global = arm_abi;
> +	arm_abi_global = (enum arm_abi_kind) arm_abi;
>  	break;
>        }
>  
> diff --git a/gdb/ax-general.c b/gdb/ax-general.c
> index 3e31144..485b2ad 100644
> --- a/gdb/ax-general.c
> +++ b/gdb/ax-general.c
> @@ -391,7 +391,7 @@ ax_print (struct ui_file *f, struct agent_expr *x)
>  
>    for (i = 0; i < x->len;)
>      {
> -      enum agent_op op = x->buf[i];
> +      enum agent_op op = (enum agent_op) x->buf[i];
>  
>        if (op >= (sizeof (aop_map) / sizeof (aop_map[0]))
>  	  || !aop_map[op].name)
> diff --git a/gdb/c-exp.y b/gdb/c-exp.y
> index 59cecb5..a8a4caf 100644
> --- a/gdb/c-exp.y
> +++ b/gdb/c-exp.y
> @@ -878,7 +878,7 @@ exp	:	string_exp
>  				  if (type != C_STRING
>  				      && type != $1.tokens[i].type)
>  				    error (_("Undefined string concatenation."));
> -				  type = $1.tokens[i].type;
> +				  type = (enum c_string_type) $1.tokens[i].type;
>  				  break;
>  				default:
>  				  /* internal error */
> diff --git a/gdb/compile/compile-loc2c.c b/gdb/compile/compile-loc2c.c
> index 6f53814..b201d13 100644
> --- a/gdb/compile/compile-loc2c.c
> +++ b/gdb/compile/compile-loc2c.c
> @@ -85,7 +85,7 @@ compute_stack_depth_worker (int start, int *need_tempvar,
>  
>    while (op_ptr < op_end)
>      {
> -      enum dwarf_location_atom op = *op_ptr;
> +      enum dwarf_location_atom op = (enum dwarf_location_atom) *op_ptr;
>        uint64_t reg;
>        int64_t offset;
>        int ndx = op_ptr - base;
> @@ -667,7 +667,7 @@ do_compile_dwarf_expr_to_c (int indent, struct ui_file *stream,
>  
>    while (op_ptr < op_end)
>      {
> -      enum dwarf_location_atom op = *op_ptr;
> +      enum dwarf_location_atom op = (enum dwarf_location_atom) *op_ptr;
>        uint64_t uoffset, reg;
>        int64_t offset;
>  
> diff --git a/gdb/cp-name-parser.y b/gdb/cp-name-parser.y
> index b4690ea..0657a52 100644
> --- a/gdb/cp-name-parser.y
> +++ b/gdb/cp-name-parser.y
> @@ -432,7 +432,7 @@ function
>  
>  demangler_special
>  		:	DEMANGLER_SPECIAL start
> -			{ $$ = make_empty ($1);
> +			{ $$ = make_empty ((enum demangle_component_type) $1);
>  			  d_left ($$) = $2;
>  			  d_right ($$) = NULL; }
>  		|	CONSTRUCTION_VTABLE start CONSTRUCTION_IN start
> diff --git a/gdb/dwarf2expr.c b/gdb/dwarf2expr.c
> index 071b83f..862a753 100644
> --- a/gdb/dwarf2expr.c
> +++ b/gdb/dwarf2expr.c
> @@ -654,7 +654,7 @@ execute_stack_op (struct dwarf_expr_context *ctx,
>  
>    while (op_ptr < op_end)
>      {
> -      enum dwarf_location_atom op = *op_ptr++;
> +      enum dwarf_location_atom op = (enum dwarf_location_atom) *op_ptr++;
>        ULONGEST result;
>        /* Assume the value is not in stack memory.
>  	 Code that knows otherwise sets this to 1.
> diff --git a/gdb/dwarf2loc.c b/gdb/dwarf2loc.c
> index c75767e..d8e432e 100644
> --- a/gdb/dwarf2loc.c
> +++ b/gdb/dwarf2loc.c
> @@ -2881,7 +2881,7 @@ dwarf2_compile_expr_to_ax (struct agent_expr *expr, struct axs_value *loc,
>  
>    while (op_ptr < op_end)
>      {
> -      enum dwarf_location_atom op = *op_ptr;
> +      enum dwarf_location_atom op = (enum dwarf_location_atom) *op_ptr;
>        uint64_t uoffset, reg;
>        int64_t offset;
>        int i;
> @@ -3764,7 +3764,7 @@ disassemble_dwarf_expression (struct ui_file *stream,
>  	 && (all
>  	     || (data[0] != DW_OP_piece && data[0] != DW_OP_bit_piece)))
>      {
> -      enum dwarf_location_atom op = *data++;
> +      enum dwarf_location_atom op = (enum dwarf_location_atom) *data++;
>        uint64_t ul;
>        int64_t l;
>        const char *name;
> diff --git a/gdb/dwarf2read.c b/gdb/dwarf2read.c
> index b5ffd04..7e79342 100644
> --- a/gdb/dwarf2read.c
> +++ b/gdb/dwarf2read.c
> @@ -12897,7 +12897,7 @@ dwarf2_add_member_fn (struct field_info *fip, struct die_info *die,
>    /* Get accessibility.  */
>    attr = dwarf2_attr (die, DW_AT_accessibility, cu);
>    if (attr)
> -    accessibility = DW_UNSND (attr);
> +    accessibility = (enum dwarf_access_attribute) DW_UNSND (attr);
>    else
>      accessibility = dwarf2_default_access_attribute (die, cu);
>    switch (accessibility)
> @@ -13812,7 +13812,8 @@ read_array_order (struct die_info *die, struct dwarf2_cu *cu)
>  
>    attr = dwarf2_attr (die, DW_AT_ordering, cu);
>  
> -  if (attr) return DW_SND (attr);
> +  if (attr)
> +    return (enum dwarf_array_dim_ordering) DW_SND (attr);
>  
>    /* GNU F77 is a special case, as at 08/2004 array type info is the
>       opposite order to the dwarf2 specification, but data is still
> @@ -15345,7 +15346,8 @@ abbrev_table_read_table (struct dwarf2_section_info *section,
>  
>        /* read in abbrev header */
>        cur_abbrev->number = abbrev_number;
> -      cur_abbrev->tag = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read);
> +      cur_abbrev->tag
> +	= (enum dwarf_tag) read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read);
>        abbrev_ptr += bytes_read;
>        cur_abbrev->has_children = read_1_byte (abfd, abbrev_ptr);
>        abbrev_ptr += 1;
> @@ -15365,8 +15367,10 @@ abbrev_table_read_table (struct dwarf2_section_info *section,
>  					* sizeof (struct attr_abbrev)));
>  	    }
>  
> -	  cur_attrs[cur_abbrev->num_attrs].name = abbrev_name;
> -	  cur_attrs[cur_abbrev->num_attrs++].form = abbrev_form;
> +	  cur_attrs[cur_abbrev->num_attrs].name
> +	    = (enum dwarf_attribute) abbrev_name;
> +	  cur_attrs[cur_abbrev->num_attrs++].form
> +	    = (enum dwarf_form) abbrev_form;
>  	  abbrev_name = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read);
>  	  abbrev_ptr += bytes_read;
>  	  abbrev_form = read_unsigned_leb128 (abfd, abbrev_ptr, &bytes_read);
> @@ -16210,7 +16214,7 @@ read_attribute_value (const struct die_reader_specs *reader,
>    unsigned int bytes_read;
>    struct dwarf_block *blk;
>  
> -  attr->form = form;
> +  attr->form = (enum dwarf_form) form;
>    switch (form)
>      {
>      case DW_FORM_ref_addr:
> @@ -21170,7 +21174,8 @@ skip_unknown_opcode (unsigned int opcode,
>  
>    for (i = 0; i < arg; ++i)
>      {
> -      mac_ptr = skip_form_bytes (abfd, mac_ptr, mac_end, defn[i], offset_size,
> +      mac_ptr = skip_form_bytes (abfd, mac_ptr, mac_end,
> +				 (enum dwarf_form) defn[i], offset_size,
>  				 section);
>        if (mac_ptr == NULL)
>  	{
> @@ -21287,7 +21292,7 @@ dwarf_decode_macro_bytes (bfd *abfd,
>  	  break;
>  	}
>  
> -      macinfo_type = read_1_byte (abfd, mac_ptr);
> +      macinfo_type = (enum dwarf_macro_record_type) read_1_byte (abfd, mac_ptr);
>        mac_ptr++;
>  
>        /* Note that we rely on the fact that the corresponding GNU and
> @@ -21427,7 +21432,9 @@ dwarf_decode_macro_bytes (bfd *abfd,
>  
>                    /* We don't increment mac_ptr here, so this is just
>                       a look-ahead.  */
> -                  next_type = read_1_byte (abfd, mac_ptr);
> +                  next_type
> +		    = (enum dwarf_macro_record_type) read_1_byte (abfd,
> +								  mac_ptr);
>                    if (next_type != 0)
>  		    complaint (&symfile_complaints,
>  			       _("no terminating 0-type entry for "
> @@ -21603,7 +21610,7 @@ dwarf_decode_macros (struct dwarf2_cu *cu, unsigned int offset,
>  	  break;
>          }
>  
> -      macinfo_type = read_1_byte (abfd, mac_ptr);
> +      macinfo_type = (enum dwarf_macro_record_type) read_1_byte (abfd, mac_ptr);
>        mac_ptr++;
>  
>        /* Note that we rely on the fact that the corresponding GNU and
> diff --git a/gdb/eval.c b/gdb/eval.c
> index 7ccc883..2beea10 100644
> --- a/gdb/eval.c
> +++ b/gdb/eval.c
> @@ -406,7 +406,8 @@ value_f90_subarray (struct value *array,
>    int pc = (*pos) + 1;
>    LONGEST low_bound, high_bound;
>    struct type *range = check_typedef (TYPE_INDEX_TYPE (value_type (array)));
> -  enum f90_range_type range_type = longest_to_int (exp->elts[pc].longconst);
> +  enum f90_range_type range_type
> +    = (enum f90_range_type) longest_to_int (exp->elts[pc].longconst);
>   
>    *pos += 3;
>  
> diff --git a/gdb/guile/scm-param.c b/gdb/guile/scm-param.c
> index da9c31a..9737c25 100644
> --- a/gdb/guile/scm-param.c
> +++ b/gdb/guile/scm-param.c
> @@ -939,7 +939,7 @@ gdbscm_make_parameter (SCM name_scm, SCM rest)
>    /* These are all stored in GC space so that we don't have to worry about
>       freeing them if we throw an exception.  */
>    p_smob->name = name;
> -  p_smob->cmd_class = cmd_class;
> +  p_smob->cmd_class = (enum command_class) cmd_class;
>    p_smob->type = (enum var_types) param_type;
>    p_smob->doc = doc;
>    p_smob->set_doc = set_doc;
> diff --git a/gdb/i386-linux-tdep.c b/gdb/i386-linux-tdep.c
> index 04ce2df..898beda 100644
> --- a/gdb/i386-linux-tdep.c
> +++ b/gdb/i386-linux-tdep.c
> @@ -379,7 +379,7 @@ i386_canonicalize_syscall (int syscall)
>    enum { i386_syscall_max = 499 };
>  
>    if (syscall <= i386_syscall_max)
> -    return syscall;
> +    return (enum gdb_syscall) syscall;
>    else
>      return gdb_sys_no_syscall;
>  }
> diff --git a/gdb/infrun.c b/gdb/infrun.c
> index a2e7cfc..c717ae5 100644
> --- a/gdb/infrun.c
> +++ b/gdb/infrun.c
> @@ -7054,7 +7054,7 @@ Are you sure you want to change it? "),
>  	    sig_print_header ();
>  	    for (; signum < nsigs; signum++)
>  	      if (sigs[signum])
> -		sig_print_info (signum);
> +		sig_print_info ((enum gdb_signal) signum);
>  	  }
>  
>  	break;
> diff --git a/gdb/memory-map.c b/gdb/memory-map.c
> index fa713c9..77eb93e 100644
> --- a/gdb/memory-map.c
> +++ b/gdb/memory-map.c
> @@ -66,7 +66,7 @@ memory_map_start_memory (struct gdb_xml_parser *parser,
>    mem_region_init (r);
>    r->lo = *start_p;
>    r->hi = r->lo + *length_p;
> -  r->attrib.mode = *type_p;
> +  r->attrib.mode = (enum mem_access_mode) *type_p;
>    r->attrib.blocksize = -1;
>  }
>  
> diff --git a/gdb/osabi.c b/gdb/osabi.c
> index 3581eb3..2c75567 100644
> --- a/gdb/osabi.c
> +++ b/gdb/osabi.c
> @@ -626,12 +626,16 @@ set_osabi (char *args, int from_tty, struct cmd_list_element *c)
>        int i;
>  
>        for (i = 1; i < GDB_OSABI_INVALID; i++)
> -	if (strcmp (set_osabi_string, gdbarch_osabi_name (i)) == 0)
> -	  {
> -	    user_selected_osabi = i;
> -	    user_osabi_state = osabi_user;
> -	    break;
> -	  }
> +        {
> +	  enum gdb_osabi osabi = (enum gdb_osabi) i;
> +
> +	  if (strcmp (set_osabi_string, gdbarch_osabi_name (osabi)) == 0)
> +	    {
> +	      user_selected_osabi = osabi;
> +	      user_osabi_state = osabi_user;
> +	      break;
> +	    }
> +	}
>        if (i == GDB_OSABI_INVALID)
>  	internal_error (__FILE__, __LINE__,
>  			_("Invalid OS ABI \"%s\" passed to command handler."),
> diff --git a/gdb/parse.c b/gdb/parse.c
> index 75b7cfa..373b0b3 100644
> --- a/gdb/parse.c
> +++ b/gdb/parse.c
> @@ -1005,8 +1005,9 @@ operator_length_standard (const struct expression *expr, int endpos,
>  
>      case OP_F90_RANGE:
>        oplen = 3;
> +      range_type = (enum f90_range_type)
> +	longest_to_int (expr->elts[endpos - 2].longconst);
>  
> -      range_type = longest_to_int (expr->elts[endpos - 2].longconst);
>        switch (range_type)
>  	{
>  	case LOW_BOUND_DEFAULT:
> diff --git a/gdb/ppc-linux-tdep.c b/gdb/ppc-linux-tdep.c
> index cf46c2d..69c791e 100644
> --- a/gdb/ppc-linux-tdep.c
> +++ b/gdb/ppc-linux-tdep.c
> @@ -765,29 +765,32 @@ static struct linux_record_tdep ppc64_linux_record_tdep;
>  static enum gdb_syscall
>  ppc_canonicalize_syscall (int syscall)
>  {
> +  int result = -1;
> +
>    if (syscall <= 165)
> -    return syscall;
> +    result = syscall;
>    else if (syscall >= 167 && syscall <= 190)	/* Skip query_module 166 */
> -    return syscall + 1;
> +    result = syscall + 1;
>    else if (syscall >= 192 && syscall <= 197)	/* mmap2 */
> -    return syscall;
> +    result = syscall;
>    else if (syscall == 208)			/* tkill */
> -    return gdb_sys_tkill;
> +    result = gdb_sys_tkill;
>    else if (syscall >= 207 && syscall <= 220)	/* gettid */
> -    return syscall + 224 - 207;
> +    result = syscall + 224 - 207;
>    else if (syscall >= 234 && syscall <= 239)	/* exit_group */
> -    return syscall + 252 - 234;
> -  else if (syscall >= 240 && syscall <=248)	/* timer_create */
> -    return syscall += 259 - 240;
> -  else if (syscall >= 250 && syscall <=251)	/* tgkill */
> -    return syscall + 270 - 250;
> +    result = syscall + 252 - 234;
> +  else if (syscall >= 240 && syscall <= 248)	/* timer_create */
> +    result = syscall += 259 - 240;
> +  else if (syscall >= 250 && syscall <= 251)	/* tgkill */
> +    result = syscall + 270 - 250;
>    else if (syscall == 336)
> -    return gdb_sys_recv;
> +    result = gdb_sys_recv;
>    else if (syscall == 337)
> -    return gdb_sys_recvfrom;
> +    result = gdb_sys_recvfrom;
>    else if (syscall == 342)
> -    return gdb_sys_recvmsg;
> -  return -1;
> +    result = gdb_sys_recvmsg;
> +
> +  return (enum gdb_syscall) result;
>  }
>  
>  /* Record registers which might be clobbered during system call.
> diff --git a/gdb/python/py-frame.c b/gdb/python/py-frame.c
> index 7290056..7e5dd17 100644
> --- a/gdb/python/py-frame.c
> +++ b/gdb/python/py-frame.c
> @@ -666,7 +666,7 @@ gdbpy_frame_stop_reason_string (PyObject *self, PyObject *args)
>        return NULL;
>      }
>  
> -  str = unwind_stop_reason_to_string (reason);
> +  str = unwind_stop_reason_to_string ((enum unwind_stop_reason) reason);
>    return PyUnicode_Decode (str, strlen (str), host_charset (), NULL);
>  }
>  
> diff --git a/gdb/python/py-symbol.c b/gdb/python/py-symbol.c
> index 401e7e9..f6466bd 100644
> --- a/gdb/python/py-symbol.c
> +++ b/gdb/python/py-symbol.c
> @@ -396,7 +396,8 @@ gdbpy_lookup_symbol (PyObject *self, PyObject *args, PyObject *kw)
>  
>    TRY
>      {
> -      symbol = lookup_symbol (name, block, domain, &is_a_field_of_this).symbol;
> +      symbol = lookup_symbol (name, block, (domain_enum) domain,
> +			      &is_a_field_of_this).symbol;
>      }
>    CATCH (except, RETURN_MASK_ALL)
>      {
> @@ -449,7 +450,7 @@ gdbpy_lookup_global_symbol (PyObject *self, PyObject *args, PyObject *kw)
>  
>    TRY
>      {
> -      symbol = lookup_global_symbol (name, NULL, domain).symbol;
> +      symbol = lookup_global_symbol (name, NULL, (domain_enum) domain).symbol;
>      }
>    CATCH (except, RETURN_MASK_ALL)
>      {
> diff --git a/gdb/record-full.c b/gdb/record-full.c
> index 1520811..8c1ca75 100644
> --- a/gdb/record-full.c
> +++ b/gdb/record-full.c
> @@ -2421,7 +2421,7 @@ record_full_restore (void)
>  	  bfdcore_read (core_bfd, osec, &signal, 
>  			sizeof (signal), &bfd_offset);
>  	  signal = netorder32 (signal);
> -	  rec->u.end.sigval = signal;
> +	  rec->u.end.sigval = (enum gdb_signal) signal;
>  
>  	  /* Get insn count.  */
>  	  bfdcore_read (core_bfd, osec, &count, 
> diff --git a/gdb/regcache.c b/gdb/regcache.c
> index 86e648a..d440dd4 100644
> --- a/gdb/regcache.c
> +++ b/gdb/regcache.c
> @@ -452,7 +452,7 @@ regcache_register_status (const struct regcache *regcache, int regnum)
>    else
>      gdb_assert (regnum < regcache->descr->nr_raw_registers);
>  
> -  return regcache->register_status[regnum];
> +  return (enum register_status) regcache->register_status[regnum];
>  }
>  
>  void
> @@ -664,7 +664,7 @@ regcache_raw_read (struct regcache *regcache, int regnum, gdb_byte *buf)
>      memcpy (buf, register_buffer (regcache, regnum),
>  	    regcache->descr->sizeof_register[regnum]);
>  
> -  return regcache->register_status[regnum];
> +  return (enum register_status) regcache->register_status[regnum];
>  }
>  
>  enum register_status
> @@ -751,7 +751,7 @@ regcache_cooked_read (struct regcache *regcache, int regnum, gdb_byte *buf)
>        else
>  	memset (buf, 0, regcache->descr->sizeof_register[regnum]);
>  
> -      return regcache->register_status[regnum];
> +      return (enum register_status) regcache->register_status[regnum];
>      }
>    else if (gdbarch_pseudo_register_read_value_p (regcache->descr->gdbarch))
>      {
> diff --git a/gdb/rs6000-tdep.c b/gdb/rs6000-tdep.c
> index eb40430..5176fa0 100644
> --- a/gdb/rs6000-tdep.c
> +++ b/gdb/rs6000-tdep.c
> @@ -6060,7 +6060,7 @@ powerpc_set_vector_abi (char *args, int from_tty,
>      if (strcmp (powerpc_vector_abi_string,
>  		powerpc_vector_strings[vector_abi]) == 0)
>        {
> -	powerpc_vector_abi_global = vector_abi;
> +	powerpc_vector_abi_global = (enum powerpc_vector_abi) vector_abi;
>  	break;
>        }
>  
> diff --git a/gdb/symtab.c b/gdb/symtab.c
> index 8aeabe86..ebafe53 100644
> --- a/gdb/symtab.c
> +++ b/gdb/symtab.c
> @@ -6151,7 +6151,7 @@ initialize_ordinary_address_classes (void)
>    int i;
>  
>    for (i = 0; i < LOC_FINAL_VALUE; ++i)
> -    symbol_impl[i].aclass = i;
> +    symbol_impl[i].aclass = (enum address_class) i;
>  }
>  
>  

> diff --git a/gdb/target-debug.h b/gdb/target-debug.h
> index e1ffc5b..ddbdfd1 100644
> --- a/gdb/target-debug.h
> +++ b/gdb/target-debug.h
> @@ -192,7 +192,10 @@ target_debug_print_signals (unsigned char *sigs)
>  
>        for (i = 0; i < GDB_SIGNAL_LAST; i++)
>  	if (sigs[i])
> -	  fprintf_unfiltered (gdb_stdlog, " %s", gdb_signal_to_name (i));
> +	  {
> +	    fprintf_unfiltered (gdb_stdlog, " %s",
> +				gdb_signal_to_name ((enum gdb_signal) i));
> +	  }
>      }
>    fputs_unfiltered (" }", gdb_stdlog);
>  }
> diff --git a/gdb/utils.c b/gdb/utils.c
> index acb4c7d..e5ad195 100644
> --- a/gdb/utils.c
> +++ b/gdb/utils.c
> @@ -429,7 +429,7 @@ make_cleanup_free_so (struct so_list *so)
>  static void
>  do_restore_current_language (void *p)
>  {
> -  enum language saved_lang = (uintptr_t) p;
> +  enum language saved_lang = (enum language) (uintptr_t) p;
>  
>    set_language (saved_lang);
>  }

I pushed this.  Pedro gave me the ok on IRC, apparently his mail server is
having difficulties.



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