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gdb: provide the name of the architecture in the target.xml

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This patch provides the name of the architecture in the target.xml
if available.

This allows the remote gdb to detect the target architecture on its
own - so there is no need to specify it manually (e.g. if gdb is
started without a binary) using "set arch *arch_name*".

The name of the architecture is provided by a callback that can
be implemented by all architectures. The arm implementation has
special handling for iwmmxt and returns arm otherwise. This can
be extended if necessary.

Signed-off-by: David Hildenbrand <dahi@linux.vnet.ibm.com>
Acked-by: Cornelia Huck <cornelia.huck@de.ibm.com>
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
[rework to use a callback]
Message-Id: <1449144881-130935-1-git-send-email-borntraeger@de.ibm.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com>
This commit is contained in:
David Hildenbrand 2015-12-03 13:14:41 +01:00 • committed by Cornelia Huck
parent 4c6bf79a22
commit b3820e6ca0
6 changed files with 51 additions and 7 deletions
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3
include/qom/cpu.h
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@ -120,6 +120,8 @@ struct TranslationBlock;
* @gdb_core_xml_file: File name for core registers GDB XML description.
* @gdb_stop_before_watchpoint: Indicates whether GDB expects the CPU to stop
* before the insn which triggers a watchpoint rather than after it.
* @gdb_arch_name: Optional callback that returns the architecture name known
* to GDB. The caller must free the returned string with g_free.
* @cpu_exec_enter: Callback for cpu_exec preparation.
* @cpu_exec_exit: Callback for cpu_exec cleanup.
* @cpu_exec_interrupt: Callback for processing interrupts in cpu_exec.
@ -177,6 +179,7 @@ typedef struct CPUClass {
const struct VMStateDescription *vmsd;
int gdb_num_core_regs;
const char *gdb_core_xml_file;
gchar * (*gdb_arch_name)(CPUState *cpu);
bool gdb_stop_before_watchpoint;
void (*cpu_exec_enter)(CPUState *cpu);