diff options
Diffstat (limited to 'gdb/mips-tdep.c')
| -rw-r--r-- | gdb/mips-tdep.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/gdb/mips-tdep.c b/gdb/mips-tdep.c index 5940f8422f7..092ae3483f5 100644 --- a/gdb/mips-tdep.c +++ b/gdb/mips-tdep.c @@ -3639,6 +3639,24 @@ mips_call_dummy_address () } +/* If the current gcc for for this target does not produce correct debugging + information for float parameters, both prototyped and unprototyped, then + define this macro. This forces gdb to always assume that floats are + passed as doubles and then converted in the callee. + + For the mips chip, it appears that the debug info marks the parameters as + floats regardless of whether the function is prototyped, but the actual + values are passed as doubles for the non-prototyped case and floats for + the prototyped case. Thus we choose to make the non-prototyped case work + for C and break the prototyped case, since the non-prototyped case is + probably much more common. (FIXME). */ + +static int +mips_coerce_float_to_double (struct type *formal, struct type *actual) +{ + return current_language->la_language == language_c; +} + static gdbarch_init_ftype mips_gdbarch_init; static struct gdbarch * @@ -3835,6 +3853,7 @@ mips_gdbarch_init (info, arches) set_gdbarch_push_return_address (gdbarch, mips_push_return_address); set_gdbarch_push_arguments (gdbarch, mips_push_arguments); set_gdbarch_register_convertible (gdbarch, generic_register_convertible_not); + set_gdbarch_coerce_float_to_double (gdbarch, mips_coerce_float_to_double); set_gdbarch_frame_chain_valid (gdbarch, func_frame_chain_valid); set_gdbarch_get_saved_register (gdbarch, default_get_saved_register); |