diff options
Diffstat (limited to 'gdb/findvar.c')
| -rw-r--r-- | gdb/findvar.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/gdb/findvar.c b/gdb/findvar.c index f7760aa..1a9d2be 100644 --- a/gdb/findvar.c +++ b/gdb/findvar.c @@ -541,6 +541,24 @@ default_value_from_register (gdbarch *gdbarch, type *type, int regnum, return value; } +/* Default implementation of gdbarch_dwarf2_reg_piece_offset. Implements + DW_OP_bits_piece for DW_OP_piece. */ + +ULONGEST +default_dwarf2_reg_piece_offset (gdbarch *gdbarch, int gdb_regnum, ULONGEST size) +{ + ULONGEST reg_size = register_size (gdbarch, gdb_regnum); + gdb_assert (size <= reg_size); + if (reg_size == size) + return 0; + + if (gdbarch_byte_order (gdbarch) == BFD_ENDIAN_BIG) + return reg_size - size; + + return 0; +} + + /* VALUE must be an lval_register value. If regnum is the value's associated register number, and len the length of the value's type, read one or more registers in VALUE's frame, starting with register REGNUM, |