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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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21
gdbstub.c
View file

@ -540,13 +540,20 @@ static const char *get_feature_xml(const char *p, const char **newp,
GDBRegisterState *r;
CPUState *cpu = first_cpu;
snprintf(target_xml, sizeof(target_xml),
"<?xml version=\"1.0\"?>"
"<!DOCTYPE target SYSTEM \"gdb-target.dtd\">"
"<target>"
"<xi:include href=\"%s\"/>",
cc->gdb_core_xml_file);
pstrcat(target_xml, sizeof(target_xml),
"<?xml version=\"1.0\"?>"
"<!DOCTYPE target SYSTEM \"gdb-target.dtd\">"
"<target>");
if (cc->gdb_arch_name) {
gchar *arch = cc->gdb_arch_name(cpu);
pstrcat(target_xml, sizeof(target_xml), "<architecture>");
pstrcat(target_xml, sizeof(target_xml), arch);
pstrcat(target_xml, sizeof(target_xml), "</architecture>");
g_free(arch);
}
pstrcat(target_xml, sizeof(target_xml), "<xi:include href=\"");
pstrcat(target_xml, sizeof(target_xml), cc->gdb_core_xml_file);
pstrcat(target_xml, sizeof(target_xml), "\"/>");
for (r = cpu->gdb_regs; r; r = r->next) {
pstrcat(target_xml, sizeof(target_xml), "<xi:include href=\"");
pstrcat(target_xml, sizeof(target_xml), r->xml);