+2010-01-13 Nick Clifton <nickc@redhat.com>
+
+ * config/tc-h8300.c (h8300_elf_section): New function - issue a
+ warning message if a new section is created without setting any
+ attributes for it.
+ (md_pseudo_table): Intercept section creation pseudos.
+ (md_pcrel_from): Replace abort with an error message.
+ * config/obj-elf.c (obj_elf_section_name): Export this function.
+ * config/obj-elf.h (obj_elf_section_name): Prototype.
+
2010-01-12 Alan Modra <amodra@gmail.com>
PR 11122
cons (Hmode ? 4 : 2);
}
+/* Like obj_elf_section, but issues a warning for new
+ sections which do not have an attribute specification. */
+
+static void
+h8300_elf_section (int push)
+{
+ static const char * known_data_sections [] = { ".rodata", ".tdata", ".tbss" };
+ static const char * known_data_prefixes [] = { ".debug", ".gnu.warning" };
+ char * saved_ilp = input_line_pointer;
+ char * name;
+
+ name = obj_elf_section_name ();
+ if (name == NULL)
+ return;
+
+ if (* input_line_pointer != ','
+ && bfd_get_section_by_name (stdoutput, name) == NULL)
+ {
+ signed int i;
+
+ /* Ignore this warning for well known data sections. */
+ for (i = ARRAY_SIZE (known_data_sections); i--;)
+ if (strcmp (name, known_data_sections[i]) == 0)
+ break;
+
+ if (i < 0)
+ for (i = ARRAY_SIZE (known_data_prefixes); i--;)
+ if (strncmp (name, known_data_prefixes[i],
+ strlen (known_data_prefixes[i])) == 0)
+ break;
+
+ if (i < 0)
+ as_warn (_("new section '%s' defined without attributes - this might cause problems"), name);
+ }
+
+ /* FIXME: We ought to free the memory allocated by obj_elf_section_name()
+ for 'name', but we do not know if it was taken from the obstack, via
+ demand_copy_C_string(), or xmalloc()ed. */
+ input_line_pointer = saved_ilp;
+ obj_elf_section (push);
+}
+
/* This table describes all the machine specific pseudo-ops the assembler
has to support. The fields are:
pseudo-op name without dot
{"import", s_ignore, 0},
{"page", listing_eject, 0},
{"program", s_ignore, 0},
+
+#ifdef OBJ_ELF
+ {"section", h8300_elf_section, 0},
+ {"section.s", h8300_elf_section, 0},
+ {"sect", h8300_elf_section, 0},
+ {"sect.s", h8300_elf_section, 0},
+#endif
+
{0, 0, 0}
};
}
long
-md_pcrel_from (fixS *fixP ATTRIBUTE_UNUSED)
+md_pcrel_from (fixS *fixp)
{
- abort ();
+ as_bad_where (fixp->fx_file, fixp->fx_line,
+ _("Unexpected reference to a symbol in a non-code section"));
+ return 0;
}
arelent *
}
run_dump_test "section0"
run_dump_test "section1"
- run_elf_list_test "section2" "$target_machine" "-al" "-s" ""
+ if {! [istarget "h8300-*-*"]} then {
+ # The h8300 port issues a warning message for
+ # new sections created without atrributes.
+ run_elf_list_test "section2" "$target_machine" "-al" "-s" ""
+ }
run_dump_test "section3"
run_dump_test "section4"
- run_elf_list_test "section5" "" "-al" "-SW" "| grep \" \\\\.test\\\[0-9\\\]\""
+ if {! [istarget "h8300-*-*"]} then {
+ # The h8300 port issues a warning message for
+ # new sections created without atrributes.
+ run_elf_list_test "section5" "" "-al" "-SW" "| grep \" \\\\.test\\\[0-9\\\]\""
+ }
run_dump_test "struct"
run_dump_test "symtab"
run_dump_test "symver"