69 lines
1.4 KiB
C
69 lines
1.4 KiB
C
/*
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* gdbstub user-mode helper routines.
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*
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* We know for user-mode we are using TCG so we can call stuff directly.
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*
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* Copyright (c) 2022 Linaro Ltd
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "exec/hwaddr.h"
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#include "exec/gdbstub.h"
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#include "hw/core/cpu.h"
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#include "internals.h"
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bool gdb_supports_guest_debug(void)
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{
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/* user-mode == TCG == supported */
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return true;
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}
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int gdb_breakpoint_insert(CPUState *cs, int type, hwaddr addr, hwaddr len)
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{
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CPUState *cpu;
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int err = 0;
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switch (type) {
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case GDB_BREAKPOINT_SW:
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case GDB_BREAKPOINT_HW:
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CPU_FOREACH(cpu) {
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err = cpu_breakpoint_insert(cpu, addr, BP_GDB, NULL);
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if (err) {
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break;
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}
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}
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return err;
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default:
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/* user-mode doesn't support watchpoints */
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return -ENOSYS;
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}
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}
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int gdb_breakpoint_remove(CPUState *cs, int type, hwaddr addr, hwaddr len)
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{
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CPUState *cpu;
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int err = 0;
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switch (type) {
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case GDB_BREAKPOINT_SW:
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case GDB_BREAKPOINT_HW:
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CPU_FOREACH(cpu) {
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err = cpu_breakpoint_remove(cpu, addr, BP_GDB);
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if (err) {
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break;
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}
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}
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return err;
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default:
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/* user-mode doesn't support watchpoints */
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return -ENOSYS;
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}
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}
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void gdb_breakpoint_remove_all(CPUState *cs)
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{
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cpu_breakpoint_remove_all(cs, BP_GDB);
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}
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