diff options
Diffstat (limited to 'gdb/riscv-tdep.c')
| -rw-r--r-- | gdb/riscv-tdep.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gdb/riscv-tdep.c b/gdb/riscv-tdep.c index 4fe07ef..3fc86ab 100644 --- a/gdb/riscv-tdep.c +++ b/gdb/riscv-tdep.c @@ -3094,7 +3094,21 @@ riscv_gdbarch_init (struct gdbarch_info info, valid_p &= riscv_check_tdesc_feature (tdesc_data, feature_fpu, &riscv_freg_feature); - int bitsize = tdesc_register_bitsize (feature_fpu, "ft0"); + /* Search for the first floating point register (by any alias), to + determine the bitsize. */ + int bitsize = -1; + const auto &fp0 = riscv_freg_feature.registers[0]; + + for (const char *name : fp0.names) + { + if (tdesc_unnumbered_register (feature_fpu, name)) + { + bitsize = tdesc_register_bitsize (feature_fpu, name); + break; + } + } + + gdb_assert (bitsize != -1); features.flen = (bitsize / 8); if (riscv_debug_gdbarch) |