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27.6.5.6 Other GDB Buffers

Locals Buffer

This buffer displays the values of local variables of the current frame for simple data types (see Information on a frame in The GNU debugger). Press RET or click mouse-2 on the value if you want to edit it.

Arrays and structures display their type only. With GDB 6.4 or later, you can examine the value of the local variable at point by typing RET, or with a mouse-2 click. With earlier versions of GDB, use RET or mouse-2 on the type description (‘[struct/union]’ or ‘[array]’). See Watch Expressions.

Registers Buffer

This buffer displays the values held by the registers (see Registers in The GNU debugger). Press RET or click mouse-2 on a register if you want to edit its value. With GDB 6.4 or later, recently changed register values display with font-lock-warning-face.

Assembler Buffer

The assembler buffer displays the current frame as machine code. An arrow points to the current instruction, and you can set and remove breakpoints as in a source buffer. Breakpoint icons also appear in the fringe or margin.

Memory Buffer

The memory buffer lets you examine sections of program memory (see Examining memory in The GNU debugger). Click mouse-1 on the appropriate part of the header line to change the starting address or number of data items that the buffer displays. Alternatively, use S or N respectively. Click mouse-3 on the header line to select the display format or unit size for these data items.

When gdb-many-windows is non-nil, the locals buffer shares its window with the registers buffer, just like breakpoints and threads buffers. To switch from one to the other, click with mouse-1 on the relevant button in the header line.

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