9f7751e7c0
This warning could happen when debug calls into bp for restoring software breakpoints and hardware breakpoints exist at the same time. These do not need memory restoration so we can avoid calling into rz_bp_restore_one() at all.
72 lines
1.8 KiB
C
72 lines
1.8 KiB
C
// SPDX-FileCopyrightText: 2009-2018 pancake <pancake@nopcode.org>
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// SPDX-License-Identifier: LGPL-3.0-only
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#include <rz_bp.h>
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#include <config.h>
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RZ_API void rz_bp_restore_one(RzBreakpoint *bp, RzBreakpointItem *b, bool set) {
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if (set) {
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// eprintf ("Setting bp at 0x%08"PFMT64x"\n", b->addr);
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if (b->hw || !b->bbytes) {
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eprintf("hw breakpoints not yet supported\n");
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} else {
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bp->iob.write_at(bp->iob.io, b->addr, b->bbytes, b->size);
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}
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} else {
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// eprintf ("Clearing bp at 0x%08"PFMT64x"\n", b->addr);
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if (b->hw || !b->obytes) {
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eprintf("hw breakpoints not yet supported\n");
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} else {
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bp->iob.write_at(bp->iob.io, b->addr, b->obytes, b->size);
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}
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}
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}
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/**
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* reflect all rz_bp stuff in the process using dbg->bp_write or ->breakpoint
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*/
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RZ_API int rz_bp_restore(RzBreakpoint *bp, bool set) {
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return rz_bp_restore_except(bp, set, UT64_MAX);
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}
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/**
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* reflect all rz_bp stuff in the process using dbg->bp_write or ->breakpoint
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*
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* except the specified breakpoint...
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*/
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RZ_API bool rz_bp_restore_except(RzBreakpoint *bp, bool set, ut64 addr) {
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bool rc = true;
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RzListIter *iter;
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RzBreakpointItem *b;
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if (set && bp->bpinmaps && bp->ctx.maps_sync) {
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bp->ctx.maps_sync(bp->ctx.user);
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}
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rz_list_foreach (bp->bps, iter, b) {
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if (addr && b->addr == addr) {
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continue;
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}
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// Avoid restoring disabled breakpoints
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if (set && !b->enabled) {
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continue;
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}
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// Check if the breakpoint is in a valid map
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if (set && bp->bpinmaps && !rz_bp_is_valid(bp, b)) {
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continue;
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}
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if (bp->breakpoint && bp->breakpoint(bp, b, set)) {
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continue;
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}
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// Hardware breakpoints do not need memory restoration and are not handled here
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if (b->hw) {
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rc = true;
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continue;
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}
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/* write (o|b)bytes from every breakpoint in rz_bp if not handled by plugin */
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rz_bp_restore_one(bp, b, set);
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rc = true;
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}
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return rc;
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}
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