gas/
2005-02-11 H.J. Lu <hongjiu.lu@intel.com> * NEWS: Mention "-munwind-check=[warning|error]". * config/tc-ia64.c (md): Add unwind_check. (unwind_diagnostic): New. (in_procedure): Call unwind_diagnostic when a directive isn't in procedure. (in_prologue): Call unwind_diagnostic when a directive isn't in prologue. (in_body): Call unwind_diagnostic when a directive isn't in body region. (dot_endp): Set md.unwind_check to error before calling in_procedure and restore it after. When the name is missing or couldn't be found, use the one from the last .proc if md.unwind_check isn't error. Warn if md.unwind_check is warning. (md_parse_option): Handle "-munwind-check=[warning|error]". (md_show_usage): Add "-munwind-check=[warning|error]". (ia64_init): Set md.unwind_check to warning. * doc/as.texinfo: Add "-munwind-check=[none|warning|error]". * doc/c-ia64.texi: Likewise. gas/testcase 2005-02-11 H.J. Lu <hongjiu.lu@intel.com> * gas/ia64/ia64.exp: Pass -munwind-check=error for unwind-err and proc.
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@ -1,3 +1,27 @@
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2005-02-11 H.J. Lu <hongjiu.lu@intel.com>
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* NEWS: Mention "-munwind-check=[warning|error]".
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* config/tc-ia64.c (md): Add unwind_check.
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(unwind_diagnostic): New.
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(in_procedure): Call unwind_diagnostic when a directive isn't
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in procedure.
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(in_prologue): Call unwind_diagnostic when a directive isn't in
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prologue.
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(in_body): Call unwind_diagnostic when a directive isn't in
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body region.
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(dot_endp): Set md.unwind_check to error before calling
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in_procedure and restore it after. When the name is missing or
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couldn't be found, use the one from the last .proc if
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md.unwind_check isn't error. Warn if md.unwind_check is
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warning.
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(md_parse_option): Handle "-munwind-check=[warning|error]".
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(md_show_usage): Add "-munwind-check=[warning|error]".
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(ia64_init): Set md.unwind_check to warning.
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* doc/as.texinfo: Add "-munwind-check=[none|warning|error]".
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* doc/c-ia64.texi: Likewise.
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2005-02-11 Jan Beulich <jbeulich@novell.com>
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* config/tc-ia64.h (LEX_AT): Include LEX_BEGIN_NAME.
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3
gas/NEWS
3
gas/NEWS
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@ -1,5 +1,8 @@
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-*- text -*-
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* New command line option -munwind-check=[warning|error] for IA64
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targets.
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* Port to MAXQ processor contributed by HCL Tech.
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* Added support for generating unwind tables for ARM ELF targets.
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@ -231,6 +231,13 @@ static struct
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auto_align : 1,
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keep_pending_output : 1;
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/* What to do when something is wrong with unwind directives. */
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enum
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{
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unwind_check_warning,
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unwind_check_error
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} unwind_check;
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/* Each bundle consists of up to three instructions. We keep
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track of four most recent instructions so we can correctly set
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the end_of_insn_group for the last instruction in a bundle. */
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@ -3048,14 +3055,25 @@ dot_special_section (which)
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set_section ((char *) special_section_name[which]);
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}
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static void
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unwind_diagnostic (const char * region, const char *directive)
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{
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if (md.unwind_check == unwind_check_warning)
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as_warn (".%s outside of %s", directive, region);
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else
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{
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as_bad (".%s outside of %s", directive, region);
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ignore_rest_of_line ();
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}
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}
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static int
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in_procedure (const char *directive)
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{
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if (unwind.proc_start
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&& (!unwind.saved_text_seg || strcmp (directive, "endp") == 0))
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return 1;
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as_bad (".%s outside of procedure", directive);
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ignore_rest_of_line ();
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unwind_diagnostic ("procedure", directive);
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return 0;
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}
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@ -3064,10 +3082,10 @@ in_prologue (const char *directive)
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{
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if (in_procedure (directive))
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{
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/* We are in a procedure. Check if we are in a prologue. */
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if (unwind.prologue)
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return 1;
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as_bad (".%s outside of prologue", directive);
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ignore_rest_of_line ();
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unwind_diagnostic ("prologue", directive);
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}
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return 0;
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}
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@ -3077,10 +3095,10 @@ in_body (const char *directive)
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{
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if (in_procedure (directive))
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{
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/* We are in a procedure. Check if we are in a body. */
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if (unwind.body)
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return 1;
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as_bad (".%s outside of body region", directive);
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ignore_rest_of_line ();
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unwind_diagnostic ("body region", directive);
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}
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return 0;
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}
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@ -4292,11 +4310,14 @@ dot_endp (dummy)
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long where;
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segT saved_seg;
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subsegT saved_subseg;
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char *name, *p, c;
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char *name, *default_name, *p, c;
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symbolS *sym;
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int unwind_check = md.unwind_check;
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md.unwind_check = unwind_check_error;
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if (!in_procedure ("endp"))
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return;
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md.unwind_check = unwind_check;
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if (unwind.saved_text_seg)
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{
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@ -4368,6 +4389,11 @@ dot_endp (dummy)
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subseg_set (saved_seg, saved_subseg);
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if (unwind.proc_start)
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default_name = (char *) S_GET_NAME (unwind.proc_start);
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else
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default_name = NULL;
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/* Parse names of main and alternate entry points and set symbol sizes. */
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while (1)
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{
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c = get_symbol_end ();
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p = input_line_pointer;
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if (!*name)
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as_bad ("Empty argument of .endp");
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else
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{
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if (md.unwind_check == unwind_check_warning)
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{
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if (default_name)
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{
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as_warn ("Empty argument of .endp. Use the default name `%s'",
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default_name);
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name = default_name;
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}
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else
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as_warn ("Empty argument of .endp");
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}
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else
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as_bad ("Empty argument of .endp");
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}
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if (*name)
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{
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sym = symbol_find (name);
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if (!sym
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&& md.unwind_check == unwind_check_warning
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&& default_name
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&& default_name != name)
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{
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/* We have a bad name. Try the default one if needed. */
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as_warn ("`%s' was not defined within procedure. Use the default name `%s'",
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name, default_name);
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name = default_name;
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sym = symbol_find (name);
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}
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if (!sym || !S_IS_DEFINED (sym))
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as_bad ("`%s' was not defined within procedure", name);
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else if (unwind.proc_start
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@ -6689,6 +6740,16 @@ md_parse_option (c, arg)
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md.flags |= EF_IA_64_BE;
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default_big_endian = 1;
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}
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else if (strncmp (arg, "unwind-check=", 13) == 0)
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{
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arg += 13;
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if (strcmp (arg, "warning") == 0)
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md.unwind_check = unwind_check_warning;
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else if (strcmp (arg, "error") == 0)
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md.unwind_check = unwind_check_error;
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else
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return 0;
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}
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else
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return 0;
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break;
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@ -6792,6 +6853,8 @@ IA-64 options:\n\
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EF_IA_64_NOFUNCDESC_CONS_GP)\n\
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-milp32|-milp64|-mlp64|-mp64 select data model (default -mlp64)\n\
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-mle | -mbe select little- or big-endian byte order (default -mle)\n\
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-munwind-check=[warning|error]\n\
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unwind directive check (default -munwind-check=warning)\n\
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-x | -xexplicit turn on dependency violation checking (default)\n\
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-xauto automagically remove dependency violations\n\
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-xdebug debug dependency violation checker\n"),
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md.entry_labels = NULL;
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}
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/* Set the elf type to 64 bit ABI by default. Cannot do this in md_begin
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because that is called after md_parse_option which is where we do the
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dynamic changing of md.flags based on -mlp64 or -milp32. Also, set the
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default endianness. */
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/* Set the default options in md. Cannot do this in md_begin because
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that is called after md_parse_option which is where we set the
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options in md based on command line options. */
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void
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ia64_init (argc, argv)
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char **argv ATTRIBUTE_UNUSED;
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{
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md.flags = MD_FLAGS_DEFAULT;
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/* FIXME: We should change it to unwind_check_error someday. */
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md.unwind_check = unwind_check_warning;
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}
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/* Return a string for the target object file format. */
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@ -315,6 +315,7 @@ gcc(1), ld(1), and the Info entries for @file{binutils} and @file{ld}.
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[@b{-mconstant-gp}|@b{-mauto-pic}]
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[@b{-milp32}|@b{-milp64}|@b{-mlp64}|@b{-mp64}]
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[@b{-mle}|@b{mbe}]
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[@b{-munwind-check=warning}|@b{-munwind-check=error}]
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[@b{-x}|@b{-xexplicit}] [@b{-xauto}] [@b{-xdebug}]
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@end ifset
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@ifset IP2K
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@ -65,6 +65,14 @@ These options select the byte order. The @code{-mle} option selects little-endi
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byte order (default) and @code{-mbe} selects big-endian byte order. Note that
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IA-64 machine code always uses little-endian byte order.
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@item -munwind-check=warning
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@item -munwind-check=error
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These options control what the assembler will do when performing
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consistency checks on unwind directives. @code{-munwind-check=warning}
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will make the assembler issue a warning when an unwind directive check
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fails. This is the default. @code{-munwind-check=error} will make the
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assembler issue an error when an unwind directive check fails.
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@item -x
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@item -xexplicit
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These options turn on dependency violation checking. This checking is turned on by
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@ -1,3 +1,8 @@
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2005-02-11 H.J. Lu <hongjiu.lu@intel.com>
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* gas/ia64/ia64.exp: Pass -munwind-check=error for unwind-err
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and proc.
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2005-02-09 Jan Beulich <jbeulich@novell.com>
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* gas/i386/intelok.s: Remove comments disabling alternative forms of
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@ -67,7 +67,7 @@ if [istarget "ia64-*"] then {
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run_dump_test "bundling"
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run_list_test "label" ""
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run_list_test "last" ""
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run_list_test "proc" ""
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run_list_test "proc" "-munwind-check=error"
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run_list_test "slot2" ""
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run_list_test "unwind-err" ""
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run_list_test "unwind-err" "-munwind-check=error"
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}
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