diff options
Diffstat (limited to 'include/gdb/remote-sim.h')
| -rw-r--r-- | include/gdb/remote-sim.h | 12 |
1 files changed, 7 insertions, 5 deletions
diff --git a/include/gdb/remote-sim.h b/include/gdb/remote-sim.h index 9c20452..a171cfd 100644 --- a/include/gdb/remote-sim.h +++ b/include/gdb/remote-sim.h @@ -191,13 +191,15 @@ int sim_fetch_register (SIM_DESC sd, int regno, unsigned char *buf, int length); /* Store register REGNO from the raw (target endian) value in BUF. - Return the actual size of the register or zero if REGNO is not - applicable. - Legacy implementations ignore LENGTH and always return -1. + Return the actual size of the register, any size not equal to + LENGTH indicates the register was not updated correctly. - If LENGTH does not match the size of REGNO no data is transfered - (the actual register size is still returned). */ + Return a LENGTH of -1 to indicate the register was not updated + and an error has occurred. + + Return a LENGTH of 0 to indicate the register was not updated + but no error has occurred. */ int sim_store_register (SIM_DESC sd, int regno, unsigned char *buf, int length); |