bp_io.c

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// SPDX-FileCopyrightText: 2009-2018 pancake <pancake@nopcode.org>
// SPDX-License-Identifier: LGPL-3.0-only
 
#include <rz_bp.h>
#include <config.h>
 
RZ_API void rz_bp_restore_one(RzBreakpoint *bp, RzBreakpointItem *b, bool set) {
    if (set) {
        // eprintf ("Setting bp at 0x%08"PFMT64x"\n", b->addr);
        if (b->hw || !b->bbytes) {
            eprintf("hw breakpoints not yet supported\n");
        } else {
            bp->iob.write_at(bp->iob.io, b->addr, b->bbytes, b->size);
        }
    } else {
        // eprintf ("Clearing bp at 0x%08"PFMT64x"\n", b->addr);
        if (b->hw || !b->obytes) {
            eprintf("hw breakpoints not yet supported\n");
        } else {
            bp->iob.write_at(bp->iob.io, b->addr, b->obytes, b->size);
        }
    }
}
 
RZ_API int rz_bp_restore(RzBreakpoint *bp, bool set) {
    return rz_bp_restore_except(bp, set, UT64_MAX);
}
 
RZ_API bool rz_bp_restore_except(RzBreakpoint *bp, bool set, ut64 addr) {
    bool rc = true;
    RzListIter *iter;
    RzBreakpointItem *b;
 
    if (set && bp->bpinmaps && bp->ctx.maps_sync) {
        bp->ctx.maps_sync(bp->ctx.user);
    }
 
    rz_list_foreach (bp->bps, iter, b) {
        if (addr && b->addr == addr) {
            continue;
        }
        // Avoid restoring disabled breakpoints
        if (set && !b->enabled) {
            continue;
        }
        // Check if the breakpoint is in a valid map
        if (set && bp->bpinmaps && !rz_bp_is_valid(bp, b)) {
            continue;
        }
        if (bp->breakpoint && bp->breakpoint(bp, b, set)) {
            continue;
        }
 
        /* write (o|b)bytes from every breakpoint in rz_bp if not handled by plugin */
        rz_bp_restore_one(bp, b, set);
        rc = true;
    }
    return rc;
}