diff options
Diffstat (limited to 'gdb/riscv-tdep.c')
| -rw-r--r-- | gdb/riscv-tdep.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/gdb/riscv-tdep.c b/gdb/riscv-tdep.c index 6370bc2..4fe07ef 100644 --- a/gdb/riscv-tdep.c +++ b/gdb/riscv-tdep.c @@ -430,7 +430,15 @@ riscv_breakpoint_kind_from_pc (struct gdbarch *gdbarch, CORE_ADDR *pcptr) unaligned_p = true; else { - /* Read the opcode byte to determine the instruction length. */ + /* Read the opcode byte to determine the instruction length. If + the read fails this may be because we tried to set the + breakpoint at an invalid address, in this case we provide a + fake result which will give a breakpoint length of 4. + Hopefully when we try to actually insert the breakpoint we + will see a failure then too which will be reported to the + user. */ + if (target_read_code (*pcptr, buf, 1) == -1) + buf[0] = 0; read_code (*pcptr, buf, 1); } |