Thanks. The patch is now in the repository.
-bryan
On Nov 29, 2007 2:41 PM, <hi...@cc...> wrote:
> Here's a small patch that adds xa_symbol_to_address
> to the public API. It simply redirects to the appropriate
> symbol translation functions in the linux and windows
> layers.
>
> There are times when I want to know the address of a
> symbol without mapping it.
>
> -Jim
>
> Index: xa_util.c
> ===================================================================
> --- xa_util.c (revision 99)
> +++ xa_util.c (working copy)
> @@ -163,6 +163,17 @@
> }
> }
>
> +int xa_symbol_to_address (
> + xa_instance_t* instance, char* sym, uint32_t* vaddr)
> +{
> + if(XA_OS_LINUX == instance->os_type)
> + return linux_system_map_symbol_to_address(instance,
> sym, vaddr);
> + else if(XA_OS_WINDOWS == instance->os_type)
> + return windows_symbol_to_address(instance, sym, vaddr);
> + else
> + return XA_FAILURE;
> +}
> +
> int xa_get_bit (unsigned long reg, int bit)
> {
> unsigned long mask = 1 << bit;
> Index: xenaccess.h
> ===================================================================
> --- xenaccess.h (revision 99)
> +++ xenaccess.h (working copy)
> @@ -334,6 +334,16 @@
> int xa_read_long_long_mach (
> xa_instance_t *instance, uint32_t maddr, uint64_t *value);
>
> +/**
> + * Returns the address of a symbol.
> + *
> + * @param[in] instance XenAccess instance
> + * @param[in] sym Kernel symbol (must be exported)
> + * @param[out] vaddr The virtual address of the symbol
> + */
> +int xa_symbol_to_address (
> + xa_instance_t *instance, char* sym, uint32_t *vaddr);
> +
> /*-----------------------------
> * Linux-specific functionality
> */
>
>
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--
Bryan D. Payne
Graduate Student, Computer Science
Georgia Tech Information Security Center
http://www.bryanpayne.org
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