diff options
Diffstat (limited to 'gdb/frame.h')
| -rw-r--r-- | gdb/frame.h | 20 |
1 files changed, 12 insertions, 8 deletions
diff --git a/gdb/frame.h b/gdb/frame.h index 252b75e..605528c 100644 --- a/gdb/frame.h +++ b/gdb/frame.h @@ -471,7 +471,8 @@ const char *frame_stop_reason_string (enum unwind_stop_reason); fetch/compute the value. Instead just return the location of the value. */ extern void frame_register_unwind (struct frame_info *frame, int regnum, - int *optimizedp, enum lval_type *lvalp, + int *optimizedp, int *unavailablep, + enum lval_type *lvalp, CORE_ADDR *addrp, int *realnump, gdb_byte *valuep); @@ -507,7 +508,8 @@ extern ULONGEST get_frame_register_unsigned (struct frame_info *frame, VALUEP is NULL, the registers value is not fetched/computed. */ extern void frame_register (struct frame_info *frame, int regnum, - int *optimizedp, enum lval_type *lvalp, + int *optimizedp, int *unavailablep, + enum lval_type *lvalp, CORE_ADDR *addrp, int *realnump, gdb_byte *valuep); @@ -654,12 +656,14 @@ extern int deprecated_pc_in_call_dummy (struct gdbarch *gdbarch, CORE_ADDR pc); /* FIXME: cagney/2003-02-02: Should be deprecated or replaced with a function called get_frame_register_p(). This slightly weird (and older) variant of get_frame_register() returns zero (indicating the - register is unavailable) if either: the register isn't cached; or - the register has been optimized out. Problem is, neither check is - exactly correct. A register can't be optimized out (it may not - have been saved as part of a function call); The fact that a - register isn't in the register cache doesn't mean that the register - isn't available (it could have been fetched from memory). */ + register value is unavailable/invalid) if either: the register + isn't cached; or the register has been optimized out; or the + register contents are unavailable (because they haven't been + collected in a traceframe). Problem is, neither check is exactly + correct. A register can't be optimized out (it may not have been + saved as part of a function call); The fact that a register isn't + in the register cache doesn't mean that the register isn't + available (it could have been fetched from memory). */ extern int frame_register_read (struct frame_info *frame, int regnum, gdb_byte *buf); |