/* convert a symbol into an address */
status_t vmi_translate_sym2v (vmi_instance_t vmi, const access_context_t *ctx, const char *symbol, addr_t *vaddr)
{
status_t status;
addr_t rva = 0;
addr_t address = 0;
addr_t dtb = 0;
switch(ctx->translate_mechanism) {
case VMI_TM_PROCESS_PID:
if ( VMI_FAILURE == vmi_pid_to_dtb(vmi, ctx->pid, &dtb) )
return VMI_FAILURE;
break;
case VMI_TM_PROCESS_DTB:
dtb = ctx->dtb;
break;
default:
dbprint(VMI_DEBUG_MISC, "sym2v only supported in a virtual context!\n");
return VMI_FAILURE;
};
status = sym_cache_get(vmi, ctx->addr, dtb, symbol, &address);
if( VMI_FAILURE == status) {
if (vmi->os_interface && vmi->os_interface->os_usym2rva) {
status = vmi->os_interface->os_usym2rva(vmi, ctx, symbol, &rva);
if ( VMI_SUCCESS == status ) {
address = canonical_addr(ctx->addr + rva);
sym_cache_set(vmi, ctx->addr, dtb, symbol, address);
}
}
}
*vaddr = address;
return status;
}
/* convert a symbol into an address */
addr_t vmi_translate_sym2v (vmi_instance_t vmi, addr_t base_vaddr, vmi_pid_t pid, char *symbol)
{
status_t status = VMI_FAILURE;
addr_t rva = 0;
addr_t address = 0;
if (VMI_FAILURE == sym_cache_get(vmi, base_vaddr, pid, symbol, &address)) {
if (vmi->os_interface && vmi->os_interface->os_usym2rva) {
status = vmi->os_interface->os_usym2rva(vmi, base_vaddr, pid, symbol, &rva);
if (status == VMI_SUCCESS) {
address = base_vaddr + rva;
sym_cache_set(vmi, base_vaddr, pid, symbol, address);
}
}
}
return address;
}
/* convert a kernel symbol into an address */
addr_t vmi_translate_ksym2v (vmi_instance_t vmi, const char *symbol)
{
status_t status = VMI_FAILURE;
addr_t base_vaddr = 0;
addr_t address = 0;
if (VMI_FAILURE == sym_cache_get(vmi, base_vaddr, 0, symbol, &address)) {
if (vmi->os_interface && vmi->os_interface->os_ksym2v) {
status = vmi->os_interface->os_ksym2v(vmi, symbol, &base_vaddr,
&address);
if (status == VMI_SUCCESS) {
sym_cache_set(vmi, base_vaddr, 0, symbol, address);
}
}
}
return address;
}
/* convert a kernel symbol into an address */
status_t vmi_translate_ksym2v (vmi_instance_t vmi, const char *symbol, addr_t *vaddr)
{
status_t status = VMI_FAILURE;
addr_t address = 0;
status = sym_cache_get(vmi, 0, 0, symbol, &address);
if ( VMI_FAILURE == status ) {
if (vmi->os_interface && vmi->os_interface->os_ksym2v) {
addr_t _base_vaddr;
status = vmi->os_interface->os_ksym2v(vmi, symbol, &_base_vaddr, &address);
if ( VMI_SUCCESS == status ) {
address = canonical_addr(address);
sym_cache_set(vmi, 0, 0, symbol, address);
}
}
}
*vaddr = address;
return status;
}
