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xen: xensyms support

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Export Xen symbols to dom0 via /proc/xen/xensyms (similar to
/proc/kallsyms).

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Reviewed-by: David Vrabel <david.vrabel@citrix.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
This commit is contained in:
Boris Ostrovsky
2015-08-10 16:34:32 -04:00
committed by David Vrabel
parent cb3eb85013
commit a11f4f0a4e
6 changed files with 183 additions and 0 deletions
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18
include/xen/interface/platform.h
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@@ -474,6 +474,23 @@ struct xenpf_core_parking {
};
DEFINE_GUEST_HANDLE_STRUCT(xenpf_core_parking);
#define XENPF_get_symbol 63
struct xenpf_symdata {
/* IN/OUT variables */
uint32_t namelen; /* size of 'name' buffer */
/* IN/OUT variables */
uint32_t symnum; /* IN: Symbol to read */
/* OUT: Next available symbol. If same as IN */
/* then we reached the end */
/* OUT variables */
GUEST_HANDLE(char) name;
uint64_t address;
char type;
};
DEFINE_GUEST_HANDLE_STRUCT(xenpf_symdata);
struct xen_platform_op {
uint32_t cmd;
uint32_t interface_version; /* XENPF_INTERFACE_VERSION */
@@ -495,6 +512,7 @@ struct xen_platform_op {
struct xenpf_cpu_hotadd cpu_add;
struct xenpf_mem_hotadd mem_add;
struct xenpf_core_parking core_parking;
struct xenpf_symdata symdata;
uint8_t pad[128];
} u;
};