83 lines
3.2 KiB
C
83 lines
3.2 KiB
C
#include <minix/syslib.h>
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#include <minix/sysutil.h>
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#include <minix/com.h>
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#include <minix/type.h>
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#include <minix/ds.h>
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#include "ds/store.h"
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#include <magic_analysis.h>
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#include <st/state_transfer.h>
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char* sef_sf_typename_keys[] = { "dsi_u", NULL };
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#define dsi_u_idx 0
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/*===========================================================================*
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* sef_cb_sf_transfer_dsi_u *
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*===========================================================================*/
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static int sef_cb_sf_transfer_dsi_u(_magic_selement_t *selement, _magic_sel_analyzed_t *sel_analyzed, _magic_sel_stats_t *sel_stats, struct st_cb_info *cb_info) {
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static struct dsi_mem noxfer_dsi_mem_stub;
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static const struct _magic_type* _magic_dsi_mem_type = NULL;
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struct data_store* dsp;
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_magic_selement_t parent_selement;
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int ret = EGENERIC;
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VOLATILE int keep_stubs = (int)&noxfer_dsi_mem_stub;
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assert(keep_stubs);
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if(magic_selement_get_parent(selement, &parent_selement) == NULL) {
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ST_CB_PRINT(ST_CB_ERR, "sef_cb_sf_transfer_dsi_u: magic_selement_get_parent failed", selement, sel_analyzed, sel_stats, cb_info);
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return EINVAL;
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}
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dsp = (struct data_store*) parent_selement.address;
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if(!(dsp->flags & DSF_IN_USE)) {
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/* Skip when unused. */
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return MAGIC_SENTRY_ANALYZE_SKIP_PATH;
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}
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switch(dsp->flags & DSF_MASK_TYPE) {
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case DSF_TYPE_U32:
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case DSF_TYPE_LABEL:
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/* Identity transfer when no ptr is involved. */
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ret = st_cb_transfer_identity(selement, sel_analyzed, sel_stats, cb_info);
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break;
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case DSF_TYPE_STR:
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case DSF_TYPE_MEM:
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/* Transfer as dsp->u.mem struct. */
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if(!_magic_dsi_mem_type && !(_magic_dsi_mem_type = magic_type_lookup_by_name("dsi_mem"))) {
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ST_CB_PRINT(ST_CB_ERR, "sef_cb_sf_transfer_dsi_u: type dsi_mem not found", selement, sel_analyzed, sel_stats, cb_info);
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return ENOENT;
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}
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st_cb_selement_type_cast(_magic_dsi_mem_type, _magic_dsi_mem_type, selement, sel_analyzed, sel_stats, cb_info);
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ret = st_cb_transfer_selement_generic(selement, sel_analyzed, sel_stats, cb_info);
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break;
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default:
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/* Unknown? Report error. */
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ST_CB_PRINT(ST_CB_ERR, "sef_cb_sf_transfer_dsi_u: bad flags", selement, sel_analyzed, sel_stats, cb_info);
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ret = EFAULT;
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break;
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}
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return ret;
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}
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/*===========================================================================*
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* sef_cb_sf_transfer_typename *
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*===========================================================================*/
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int sef_cb_sf_transfer_typename(_magic_selement_t *selement, _magic_sel_analyzed_t *sel_analyzed, _magic_sel_stats_t *sel_stats, struct st_cb_info *cb_info) {
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const char *typename_key = ST_TYPE_NAME_KEY(selement->type);
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if(ST_TYPE_NAME_MATCH(sef_sf_typename_keys[dsi_u_idx],typename_key))
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{
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return sef_cb_sf_transfer_dsi_u(selement, sel_analyzed, sel_stats, cb_info);
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}
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return ST_CB_NOT_PROCESSED;
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}
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/*===========================================================================*
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* _magic_ds_st_init *
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*===========================================================================*/
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void _magic_ds_st_init(void)
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{
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st_register_typename_keys(sef_sf_typename_keys);
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st_setcb_selement_transfer(sef_cb_sf_transfer_typename, ST_CB_TYPE_TYPENAME);
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}
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