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| author | Peter Maydell <peter.maydell@linaro.org> | 2021-04-01 11:25:27 +0100 |
|---|---|---|
| committer | Alex Bennée <alex.bennee@linaro.org> | 2021-04-06 15:04:49 +0100 |
| commit | acb0a27eb85ccf5de6052bf7407531e76fb13a5d (patch) | |
| tree | 309c079b1812372f153edfbaf33733805c7aa8b3 /docs/system | |
| parent | 1cb8d12f79a6d063455eb43ddf3f2855932b5384 (diff) | |
docs/system/gdb.rst: Add some more heading structure
We're about to add a new section to gdb.rst. In
preparation, add some more headings so it isn't just
one huge run-on section.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org>
Message-Id: <20210325175023.13838-2-peter.maydell@linaro.org>
Message-Id: <20210401102530.12030-9-alex.bennee@linaro.org>
Diffstat (limited to 'docs/system')
| -rw-r--r-- | docs/system/gdb.rst | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/docs/system/gdb.rst b/docs/system/gdb.rst index 72b1e68f4e..0bb1bedf1b 100644 --- a/docs/system/gdb.rst +++ b/docs/system/gdb.rst @@ -45,7 +45,11 @@ Here are some useful tips in order to use gdb on system code: 3. Use ``set architecture i8086`` to dump 16 bit code. Then use ``x/10i $cs*16+$eip`` to dump the code at the PC position. -Advanced debugging options: +Advanced debugging options +========================== + +Changing single-stepping behaviour +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ The default single stepping behavior is step with the IRQs and timer service routines off. It is set this way because when gdb executes a @@ -88,6 +92,8 @@ three commands you can query and set the single step behavior: sending: "qemu.sstep=0x5" received: "OK" +Examining physical memory +^^^^^^^^^^^^^^^^^^^^^^^^^ Another feature that QEMU gdbstub provides is to toggle the memory GDB works with, by default GDB will show the current process memory respecting |