diff options
Diffstat (limited to 'gdb/doc/gdbint.texinfo')
| -rw-r--r-- | gdb/doc/gdbint.texinfo | 20 |
1 files changed, 14 insertions, 6 deletions
diff --git a/gdb/doc/gdbint.texinfo b/gdb/doc/gdbint.texinfo index d7dfa17..1f9623b 100644 --- a/gdb/doc/gdbint.texinfo +++ b/gdb/doc/gdbint.texinfo @@ -1384,12 +1384,14 @@ text section. (Seems dubious.) @item NO_HIF_SUPPORT (Specific to the a29k.) -@item NO_SINGLE_STEP -Define this if the target does not support single-stepping. If this is -defined, you must supply, in @code{*-tdep.c}, the function -@code{single_step}, which takes a target_signal as argument and returns -nothing. It must insert breakpoints at each possible destinations of -the next instruction. See @code{sparc-tdep.c} and @code{rs6000-tdep.c} +@item SOFTWARE_SINGLE_STEP_P +Define this as 1 if the target does not have a hardware single-step +mechanism. The macro @code{SOFTWARE_SINGLE_STEP} must also be defined. + +@item SOFTWARE_SINGLE_STEP(signal,insert_breapoints_p) +A function that inserts or removes (dependant on +@var{insert_breapoints_p}) breakpoints at each possible destinations of +the next instruction. See @code{sparc-tdep.c} and @code{rs6000-tdep.c} for examples. @item PCC_SOL_BROKEN @@ -1558,6 +1560,12 @@ These macros are useful when a target keeps one of these registers in a hard to get at place; for example, part in a segment register and part in an ordinary register. +@item TARGET_VIRTUAL_FRAME_POINTER(pc,regp,offsetp) +Returns a @code{(register, offset)} pair representing the virtual +frame pointer in use at the code address @code{"pc"}. If virtual +frame pointers are not used, a default definition simply returns +@code{FP_REGNUM}, with an offset of zero. + @item USE_STRUCT_CONVENTION (gcc_p, type) If defined, this must be an expression that is nonzero if a value of the given @var{type} being returned from a function must have space |