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kgdb: enable arch to support XML packet.

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The XML packet could be supported by required architecture if the
architecture defines CONFIG_HAVE_ARCH_KGDB_QXFER_PKT and implement its own
kgdb_arch_handle_qxfer_pkt(). Except for the kgdb_arch_handle_qxfer_pkt(),
the architecture also needs to record the feature supported by gdb stub
into the kgdb_arch_gdb_stub_feature, and these features will be reported
to host gdb when gdb stub receives the qSupported packet.

Signed-off-by: Vincent Chen <vincent.chen@sifive.com>
Acked-by: Daniel Thompson <daniel.thompson@linaro.org>
Signed-off-by: Palmer Dabbelt <palmerdabbelt@google.com>
This commit is contained in:
Vincent Chen
2020-06-23 13:36:42 +08:00
committed by Palmer Dabbelt
parent dcb7fd82c7
commit 8c080d3a97
3 changed files with 29 additions and 0 deletions
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5
lib/Kconfig.kgdb
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@@ -3,6 +3,11 @@
config HAVE_ARCH_KGDB
bool
# set if architecture has the its kgdb_arch_handle_qxfer_pkt
# function to enable gdb stub to address XML packet sent from GDB.
config HAVE_ARCH_KGDB_QXFER_PKT
bool
menuconfig KGDB
bool "KGDB: kernel debugger"
depends on HAVE_ARCH_KGDB