diff options
Diffstat (limited to 'gdb/doc/gdbint.texinfo')
| -rw-r--r-- | gdb/doc/gdbint.texinfo | 76 |
1 files changed, 46 insertions, 30 deletions
diff --git a/gdb/doc/gdbint.texinfo b/gdb/doc/gdbint.texinfo index 2bbd29fe01e..9c651ed7797 100644 --- a/gdb/doc/gdbint.texinfo +++ b/gdb/doc/gdbint.texinfo @@ -41,7 +41,7 @@ Software Foundation raise funds for GNU development.'' @page @tex \def\$#1${{#1}} % Kluge: collect RCS revision info without $...$ -\xdef\manvers{\$Revision: 1.147 $} % For use in headers, footers too +\xdef\manvers{\$Revision: 1.151 $} % For use in headers, footers too {\parskip=0pt \hfill Cygnus Solutions\par \hfill \manvers\par @@ -3012,24 +3012,26 @@ Similar to BREAKPOINT, but used for bi-endian targets. @code{BIG_BREAKPOINT} and @code{LITTLE_BREAKPOINT} have been deprecated in favor of @code{BREAKPOINT_FROM_PC}. -@item REMOTE_BREAKPOINT -@itemx LITTLE_REMOTE_BREAKPOINT -@itemx BIG_REMOTE_BREAKPOINT -@findex BIG_REMOTE_BREAKPOINT -@findex LITTLE_REMOTE_BREAKPOINT -@findex REMOTE_BREAKPOINT -Similar to BREAKPOINT, but used for remote targets. - -@code{BIG_REMOTE_BREAKPOINT} and @code{LITTLE_REMOTE_BREAKPOINT} have been -deprecated in favor of @code{BREAKPOINT_FROM_PC}. +@item DEPRECATED_REMOTE_BREAKPOINT +@itemx DEPRECATED_LITTLE_REMOTE_BREAKPOINT +@itemx DEPRECATED_BIG_REMOTE_BREAKPOINT +@findex DEPRECATED_BIG_REMOTE_BREAKPOINT +@findex DEPRECATED_LITTLE_REMOTE_BREAKPOINT +@findex DEPRECATED_REMOTE_BREAKPOINT +Specify the breakpoint instruction sequence for a remote target. +@code{DEPRECATED_REMOTE_BREAKPOINT}, +@code{DEPRECATED_BIG_REMOTE_BREAKPOINT} and +@code{DEPRECATED_LITTLE_REMOTE_BREAKPOINT} have been deprecated in +favor of @code{BREAKPOINT_FROM_PC} (@pxref{BREAKPOINT_FROM_PC}). @item BREAKPOINT_FROM_PC (@var{pcptr}, @var{lenptr}) @findex BREAKPOINT_FROM_PC -Use the program counter to determine the contents and size of a -breakpoint instruction. It returns a pointer to a string of bytes -that encode a breakpoint instruction, stores the length of the string -to *@var{lenptr}, and adjusts pc (if necessary) to point to the actual -memory location where the breakpoint should be inserted. +@anchor{BREAKPOINT_FROM_PC} Use the program counter to determine the +contents and size of a breakpoint instruction. It returns a pointer to +a string of bytes that encode a breakpoint instruction, stores the +length of the string to @code{*@var{lenptr}}, and adjusts the program +counter (if necessary) to point to the actual memory location where the +breakpoint should be inserted. Although it is common to use a trap instruction for a breakpoint, it's not required; for instance, the bit pattern could be an invalid @@ -3233,10 +3235,6 @@ the direction of stack growth. By default, no frame based stack alignment is performed. -@item FRAME_ARGS_ADDRESS_CORRECT -@findex FRAME_ARGS_ADDRESS_CORRECT -See @file{stack.c}. - @item DEPRECATED_FRAME_CHAIN(@var{frame}) @findex DEPRECATED_FRAME_CHAIN Given @var{frame}, return a pointer to the calling frame. @@ -3291,6 +3289,23 @@ return d10v_make_iaddr (pc); @noindent @xref{DEPRECATED_FRAME_SAVED_PC}, which this method replaces. +@item CORE_ADDR unwind_sp (struct frame_info *@var{this_frame}) +@findex unwind_sp +@anchor{unwind_sp} Return the frame's inner most stack address. This is +commonly refered to as the frame's @dfn{stack pointer}. + +The implementation, which must be frame agnostic (work with any frame), +is typically no more than: + +@smallexample +ULONGEST sp; +frame_unwind_unsigned_register (this_frame, D10V_SP_REGNUM, &sp); +return d10v_make_daddr (sp); +@end smallexample + +@noindent +@xref{TARGET_READ_SP}, which this method replaces. + @item FUNCTION_EPILOGUE_SIZE @findex FUNCTION_EPILOGUE_SIZE For some COFF targets, the @code{x_sym.x_misc.x_fsize} field of the @@ -3678,14 +3693,13 @@ definition is only used in generic code when parsing "$ps".) If defined, used by @code{frame_pop} to remove a stack frame. This method has been superseeded by generic code. -@item push_dummy_call (@var{gdbarch}, @var{regcache}, @var{dummy_addr}, @var{nargs}, @var{args}, @var{sp}, @var{struct_return}, @var{struct_addr}) +@item push_dummy_call (@var{gdbarch}, @var{func_addr}, @var{regcache}, @var{pc_addr}, @var{nargs}, @var{args}, @var{sp}, @var{struct_return}, @var{struct_addr}) @findex push_dummy_call @findex DEPRECATED_PUSH_ARGUMENTS. -@anchor{push_dummy_call} -Define this to push the dummy frame's call to the inferior function onto -the stack. In addition to pushing @var{nargs}, the code should push -@var{struct_addr} (when @var{struct_return}), and the return value (in -the call dummy at @var{dummy_addr}). +@anchor{push_dummy_call} Define this to push the dummy frame's call to +the inferior function onto the stack. In addition to pushing +@var{nargs}, the code should push @var{struct_addr} (when +@var{struct_return}), and the return address (@var{bp_addr}). Returns the updated top-of-stack pointer. @@ -3891,15 +3905,17 @@ Number of bits in a short integer; defaults to @code{2 * TARGET_CHAR_BIT}. @findex write_pc @findex read_sp @findex read_fp -These change the behavior of @code{read_pc}, @code{write_pc}, -@code{read_sp} and @code{deprecated_read_fp}. For most targets, these -may be left undefined. @value{GDBN} will call the read and write -register functions with the relevant @code{_REGNUM} argument. +@anchor{TARGET_READ_SP} These change the behavior of @code{read_pc}, +@code{write_pc}, @code{read_sp} and @code{deprecated_read_fp}. For most +targets, these may be left undefined. @value{GDBN} will call the read +and write register functions with the relevant @code{_REGNUM} argument. 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. +@xref{unwind_sp}, which replaces @code{TARGET_READ_SP}. + @item TARGET_VIRTUAL_FRAME_POINTER(@var{pc}, @var{regp}, @var{offsetp}) @findex TARGET_VIRTUAL_FRAME_POINTER Returns a @code{(register, offset)} pair representing the virtual frame |