forked from auracaster/openocd
Kulyatskaya Alexandra
181547327f
Modify the breakpoint insertion logic to include intersection detection between breakpoints. Change-Id: I294bea83b18335c2f304ddd99361872eadaaa684 Signed-off-by: Kulyatskaya Alexandra <a.kulyatskaya@syntacore.com> Reviewed-on: https://review.openocd.org/c/openocd/+/9146 Tested-by: jenkins Reviewed-by: Antonio Borneo <borneo.antonio@gmail.com>
66 lines
1.6 KiB
C
66 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0-or-later
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/***************************************************************************
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* Copyright (C) 2010 by Øyvind Harboe *
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***************************************************************************/
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/* this file contains various functionality useful to standalone systems */
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "log.h"
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#include "time_support.h"
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#include "util.h"
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COMMAND_HANDLER(handler_util_ms)
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{
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if (CMD_ARGC != 0)
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return ERROR_COMMAND_SYNTAX_ERROR;
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command_print(CMD, "%" PRId64, timeval_ms());
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return ERROR_OK;
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}
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static const struct command_registration util_command_handlers[] = {
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{
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.name = "ms",
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.mode = COMMAND_ANY,
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.handler = handler_util_ms,
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.help =
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"Returns ever increasing milliseconds. Used to calculate differences in time.",
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.usage = "",
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},
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COMMAND_REGISTRATION_DONE
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};
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int util_init(struct command_context *cmd_ctx)
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{
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return register_commands(cmd_ctx, NULL, util_command_handlers);
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}
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bool is_memory_regions_overlap(target_addr_t start1,
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unsigned int size1,
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target_addr_t start2,
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unsigned int size2)
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{
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/* Two memory regions: [S1,E1] and [S2,E2] where:
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* E1 = S1 + size1 - 1, E2 = S2 + size2 - 1
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*
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* After normalization:
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* Region 1: [0, size1 - 1]
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* Region 2: [start2 - start1, (start2 - start1) + size2 - 1]
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*
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* Intersection cases:
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* 1. Normalized region 2 wraps around 0 (unsigned overflow)
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* 2. Start of normalized region 2 is within region 1
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*/
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start2 -= start1;
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target_addr_t end1 = size1 - 1;
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target_addr_t end2 = start2 + size2 - 1;
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return start2 > end2 || start2 <= end1;
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}
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