xref: /openbmc/qemu/include/exec/gdbstub.h (revision 651ccdfa)
1 #ifndef GDBSTUB_H
2 #define GDBSTUB_H
3 
4 #define DEFAULT_GDBSTUB_PORT "1234"
5 
6 /* GDB breakpoint/watchpoint types */
7 #define GDB_BREAKPOINT_SW        0
8 #define GDB_BREAKPOINT_HW        1
9 #define GDB_WATCHPOINT_WRITE     2
10 #define GDB_WATCHPOINT_READ      3
11 #define GDB_WATCHPOINT_ACCESS    4
12 
13 
14 /* Get or set a register.  Returns the size of the register.  */
15 typedef int (*gdb_get_reg_cb)(CPUArchState *env, GByteArray *buf, int reg);
16 typedef int (*gdb_set_reg_cb)(CPUArchState *env, uint8_t *buf, int reg);
17 void gdb_register_coprocessor(CPUState *cpu,
18                               gdb_get_reg_cb get_reg, gdb_set_reg_cb set_reg,
19                               int num_regs, const char *xml, int g_pos);
20 
21 /**
22  * gdbserver_start: start the gdb server
23  * @port_or_device: connection spec for gdb
24  *
25  * For CONFIG_USER this is either a tcp port or a path to a fifo. For
26  * system emulation you can use a full chardev spec for your gdbserver
27  * port.
28  */
29 int gdbserver_start(const char *port_or_device);
30 
31 void gdb_set_stop_cpu(CPUState *cpu);
32 
33 /**
34  * gdb_has_xml:
35  * This is an ugly hack to cope with both new and old gdb.
36  * If gdb sends qXfer:features:read then assume we're talking to a newish
37  * gdb that understands target descriptions.
38  */
39 extern bool gdb_has_xml;
40 
41 /* in gdbstub-xml.c, generated by scripts/feature_to_c.sh */
42 extern const char *const xml_builtin[][2];
43 
44 #endif
45