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Diffstat (limited to 'gdb/doc/gdbint.texinfo')
| -rw-r--r-- | gdb/doc/gdbint.texinfo | 26 |
1 files changed, 6 insertions, 20 deletions
diff --git a/gdb/doc/gdbint.texinfo b/gdb/doc/gdbint.texinfo index 9ce6ecb..78de357 100644 --- a/gdb/doc/gdbint.texinfo +++ b/gdb/doc/gdbint.texinfo @@ -3277,26 +3277,12 @@ Given @var{frame}, return a pointer to the calling frame. @item FRAME_CHAIN_VALID(@var{chain}, @var{thisframe}) @findex FRAME_CHAIN_VALID -Define this to be an expression that returns zero if the given frame is -an outermost frame, with no caller, and nonzero otherwise. Several -common definitions are available: - -@itemize @bullet -@item -@code{file_frame_chain_valid} is nonzero if the chain pointer is nonzero -and given frame's PC is not inside the startup file (such as -@file{crt0.o}). - -@item -@code{func_frame_chain_valid} is nonzero if the chain -pointer is nonzero and the given frame's PC is not in @code{main} or a -known entry point function (such as @code{_start}). - -@item -@code{generic_file_frame_chain_valid} and -@code{generic_func_frame_chain_valid} are equivalent implementations for -targets using generic dummy frames. -@end itemize +Define this to be an expression that returns zero if the given frame is an +outermost frame, with no caller, and nonzero otherwise. Most normal +situations can be handled without defining this macro, including @code{NULL} +chain pointers, dummy frames, and frames whose PC values are inside the +startup file (e.g.@: @file{crt0.o}), inside @code{main}, or inside +@code{_start}. @item FRAME_INIT_SAVED_REGS(@var{frame}) @findex FRAME_INIT_SAVED_REGS |