aarch64: handle .variant_pcs directive in gas

[deliverable/binutils-gdb.git] / gas / config / tc-aarch64.c

diff --git a/gas/config/tc-aarch64.c b/gas/config/tc-aarch64.c
index 1f8d94ea1e295782402d0deda298e18627332dd3..3bccfa24ba7412214a176e0ef47c1d3bb12ce9b7 100644 (file)
--- a/gas/config/tc-aarch64.c
+++ b/gas/config/tc-aarch64.c
@@ -1936,6 +1936,28 @@ s_aarch64_elf_cons (int nbytes)
   demand_empty_rest_of_line ();
 }
 
+/* Mark symbol that it follows a variant PCS convention.  */
+
+static void
+s_variant_pcs (int ignored ATTRIBUTE_UNUSED)
+{
+  char *name;
+  char c;
+  symbolS *sym;
+  asymbol *bfdsym;
+  elf_symbol_type *elfsym;
+
+  c = get_symbol_name (&name);
+  if (!*name)
+    as_bad (_("Missing symbol name in directive"));
+  sym = symbol_find_or_make (name);
+  restore_line_pointer (c);
+  demand_empty_rest_of_line ();
+  bfdsym = symbol_get_bfdsym (sym);
+  elfsym = elf_symbol_from (bfd_asymbol_bfd (bfdsym), bfdsym);
+  gas_assert (elfsym);
+  elfsym->internal_elf_sym.st_other |= STO_AARCH64_VARIANT_PCS;
+}
 #endif /* OBJ_ELF */
 
 /* Output a 32-bit word, but mark as an instruction.  */
@@ -2082,6 +2104,7 @@ const pseudo_typeS md_pseudo_table[] = {
   {"long", s_aarch64_elf_cons, 4},
   {"xword", s_aarch64_elf_cons, 8},
   {"dword", s_aarch64_elf_cons, 8},
+  {"variant_pcs", s_variant_pcs, 0},
 #endif
   {0, 0, 0}
 };