[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [PATCH 2/3] xen/virtual-region: Include rodata pointers
These are optional. .init doesn't distinguish types of data like this, and livepatches don't necesserily have any .rodata either. No functional change. Signed-off-by: Andrew Cooper <andrew.cooper3@xxxxxxxxxx> --- CC: Konrad Rzeszutek Wilk <konrad.wilk@xxxxxxxxxx> CC: Ross Lagerwall <ross.lagerwall@xxxxxxxxxx> CC: Jan Beulich <JBeulich@xxxxxxxx> CC: Roger Pau Monné <roger.pau@xxxxxxxxxx> --- xen/common/livepatch.c | 6 ++++++ xen/common/virtual_region.c | 2 ++ xen/include/xen/virtual_region.h | 3 +++ 3 files changed, 11 insertions(+) diff --git a/xen/common/livepatch.c b/xen/common/livepatch.c index 888beb273244..cabfb6391117 100644 --- a/xen/common/livepatch.c +++ b/xen/common/livepatch.c @@ -788,6 +788,12 @@ static int prepare_payload(struct payload *payload, region->text_start = payload->text_addr; region->text_end = payload->text_addr + payload->text_size; + if ( payload->ro_size ) + { + region->rodata_start = payload->ro_addr; + region->rodata_end = payload->ro_addr + payload->ro_size; + } + /* Optional sections. */ for ( i = 0; i < BUGFRAME_NR; i++ ) { diff --git a/xen/common/virtual_region.c b/xen/common/virtual_region.c index b74030d70065..d2efe9e11492 100644 --- a/xen/common/virtual_region.c +++ b/xen/common/virtual_region.c @@ -13,6 +13,8 @@ static struct virtual_region core = { .list = LIST_HEAD_INIT(core.list), .text_start = _stext, .text_end = _etext, + .rodata_start = _srodata, + .rodata_end = _erodata, }; /* Becomes irrelevant when __init sections are cleared. */ diff --git a/xen/include/xen/virtual_region.h b/xen/include/xen/virtual_region.h index c76e7d7932ff..7712f6ad3632 100644 --- a/xen/include/xen/virtual_region.h +++ b/xen/include/xen/virtual_region.h @@ -16,6 +16,9 @@ struct virtual_region const void *text_start; /* .text virtual address start. */ const void *text_end; /* .text virtual address end. */ + const void *rodata_start; /* .rodata virtual address start (optional). */ + const void *rodata_end; /* .rodata virtual address end. */ + /* If this is NULL the default lookup mechanism is used. */ symbols_lookup_t *symbols_lookup; -- 2.30.2
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