dwarf2asm.c (size_of_encoded_value): New function.

        * dwarf2asm.c (size_of_encoded_value): New function.
        * dwarf2asm.h: Declare it.
        * except.c (output_function_exception_table): Align the TType
        array only as wide as the encoding.

From-SVN: r42028

1 files changed, 25 insertions, 0 deletions

diff --git a/gcc/dwarf2asm.c b/gcc/dwarf2asm.c
index 104879e..a18607a 100644
--- a/gcc/dwarf2asm.c
+++ b/gcc/dwarf2asm.c
@@ -445,6 +445,31 @@ size_of_sleb128 (value)
   return size;
 }
 
+/* Given an encoding, return the number of bytes the format occupies.
+   This is only defined for fixed-size encodings, and so does not 
+   include leb128.  */
+
+int
+size_of_encoded_value (encoding)
+     int encoding;
+{
+  if (encoding == DW_EH_PE_omit)
+    return 0;
+
+  switch (encoding & 0x07)
+    {
+    case DW_EH_PE_absptr:
+      return POINTER_SIZE / BITS_PER_UNIT;
+    case DW_EH_PE_udata2:
+      return 2;
+    case DW_EH_PE_udata4:
+      return 4;
+    case DW_EH_PE_udata8:
+      return 8;
+    }
+  abort ();
+}
+
 /* Output an unsigned LEB128 quantity.  */
 
 void