diff options
Diffstat (limited to 'gdbstub/user.c')
-rw-r--r-- | gdbstub/user.c | 62 |
1 files changed, 62 insertions, 0 deletions
diff --git a/gdbstub/user.c b/gdbstub/user.c new file mode 100644 index 0000000000..42652b28a7 --- /dev/null +++ b/gdbstub/user.c @@ -0,0 +1,62 @@ +/* + * 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" + +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); +} |