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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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12
target-arm/cpu.c
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@ -1426,6 +1426,17 @@ static int arm_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw,
}
#endif
static gchar *arm_gdb_arch_name(CPUState *cs)
{
ARMCPU *cpu = ARM_CPU(cs);
CPUARMState *env = &cpu->env;
if (arm_feature(env, ARM_FEATURE_IWMMXT)) {
return g_strdup("iwmmxt");
}
return g_strdup("arm");
}
static void arm_cpu_class_init(ObjectClass *oc, void *data)
{
ARMCPUClass *acc = ARM_CPU_CLASS(oc);
@ -1460,6 +1471,7 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data)
#endif
cc->gdb_num_core_regs = 26;
cc->gdb_core_xml_file = "arm-core.xml";
cc->gdb_arch_name = arm_gdb_arch_name;
cc->gdb_stop_before_watchpoint = true;
cc->debug_excp_handler = arm_debug_excp_handler;