qemu-e2k/gdbstub/user.c

69 lines
1.4 KiB
C

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