diff options
Diffstat (limited to 'kexec/kexec-xen.h')
| -rw-r--r-- | kexec/kexec-xen.h | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/kexec/kexec-xen.h b/kexec/kexec-xen.h index ffb8743..ae67393 100644 --- a/kexec/kexec-xen.h +++ b/kexec/kexec-xen.h @@ -5,29 +5,27 @@ #include <xenctrl.h> #ifdef CONFIG_LIBXENCTRL_DL -#include <dlfcn.h> - -/* The handle from dlopen(), needed by dlsym(), dlclose() */ -extern void *xc_dlhandle; +/* Lookup symbols in libxenctrl.so */ +extern void *__xc_dlsym(const char *symbol); /* Wrappers around xc_interface_open/close() to insert dlopen/dlclose() */ -xc_interface *__xc_interface_open(xentoollog_logger *logger, - xentoollog_logger *dombuild_logger, - unsigned open_flags); -int __xc_interface_close(xc_interface *xch); +extern xc_interface *__xc_interface_open(xentoollog_logger *logger, + xentoollog_logger *dombuild_logger, + unsigned open_flags); +extern int __xc_interface_close(xc_interface *xch); /* GCC expression statements for evaluating dlsym() */ #define __xc_call(dtype, name, args...) \ ( \ { dtype value; \ typedef dtype (*func_t)(xc_interface *, ...); \ - func_t func = dlsym(xc_dlhandle, #name); \ + func_t func = __xc_dlsym(#name); \ value = func(args); \ value; } \ ) #define __xc_data(dtype, name) \ ( \ - { dtype *value = (dtype *)dlsym(xc_dlhandle, #name); value; } \ + { dtype *value = (dtype *)__xc_dlsym(#name); value; } \ ) /* The wrappers around utilized xenctrl.h functions */ |