57 lines
2.6 KiB
C
57 lines
2.6 KiB
C
/*-*- mode:c;indent-tabs-mode:nil;c-basic-offset:2;tab-width:8;coding:utf-8 -*-│
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│vi: set net ft=c ts=2 sts=2 sw=2 fenc=utf-8 :vi│
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╞══════════════════════════════════════════════════════════════════════════════╡
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│ Copyright 2020 Justine Alexandra Roberts Tunney │
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│ │
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│ Permission to use, copy, modify, and/or distribute this software for │
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│ any purpose with or without fee is hereby granted, provided that the │
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│ above copyright notice and this permission notice appear in all copies. │
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│ │
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│ THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL │
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│ WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED │
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│ WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE │
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│ AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL │
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│ DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR │
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│ PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER │
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│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
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│ PERFORMANCE OF THIS SOFTWARE. │
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╚─────────────────────────────────────────────────────────────────────────────*/
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#include "libc/alg/arraylist2.internal.h"
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#include "libc/assert.h"
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#include "libc/log/log.h"
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#include "tool/build/lib/breakpoint.h"
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void PopBreakpoint(struct Breakpoints *bps) {
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if (bps->i) {
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--bps->i;
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}
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}
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ssize_t PushBreakpoint(struct Breakpoints *bps, struct Breakpoint *b) {
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int i;
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for (i = 0; i < bps->i; ++i) {
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if (bps->p[i].disable) {
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memcpy(&bps->p[i], b, sizeof(*b));
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return i;
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}
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}
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return APPEND(&bps->p, &bps->i, &bps->n, b);
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}
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ssize_t IsAtBreakpoint(struct Breakpoints *bps, int64_t addr) {
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size_t i;
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for (i = bps->i; i--;) {
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if (bps->p[i].disable) continue;
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if (bps->p[i].addr == addr) {
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if (bps->p[i].oneshot) {
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bps->p[i].disable = true;
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if (i == bps->i - 1) {
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--bps->i;
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}
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}
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return i;
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}
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}
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return -1;
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}
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