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-rw-r--r--src/include/exec/gdbstub.h125
1 files changed, 125 insertions, 0 deletions
diff --git a/src/include/exec/gdbstub.h b/src/include/exec/gdbstub.h
new file mode 100644
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+++ b/src/include/exec/gdbstub.h
@@ -0,0 +1,125 @@
+#ifndef GDBSTUB_H
+#define GDBSTUB_H
+
+#define DEFAULT_GDBSTUB_PORT "1234"
+
+/* GDB breakpoint/watchpoint types */
+#define GDB_BREAKPOINT_SW 0
+#define GDB_BREAKPOINT_HW 1
+#define GDB_WATCHPOINT_WRITE 2
+#define GDB_WATCHPOINT_READ 3
+#define GDB_WATCHPOINT_ACCESS 4
+
+#ifdef NEED_CPU_H
+typedef void (*gdb_syscall_complete_cb)(CPUState *cpu,
+ target_ulong ret, target_ulong err);
+
+/**
+ * gdb_do_syscall:
+ * @cb: function to call when the system call has completed
+ * @fmt: gdb syscall format string
+ * ...: list of arguments to interpolate into @fmt
+ *
+ * Send a GDB syscall request. This function will return immediately;
+ * the callback function will be called later when the remote system
+ * call has completed.
+ *
+ * @fmt should be in the 'call-id,parameter,parameter...' format documented
+ * for the F request packet in the GDB remote protocol. A limited set of
+ * printf-style format specifiers is supported:
+ * %x - target_ulong argument printed in hex
+ * %lx - 64-bit argument printed in hex
+ * %s - string pointer (target_ulong) and length (int) pair
+ */
+void gdb_do_syscall(gdb_syscall_complete_cb cb, const char *fmt, ...);
+/**
+ * gdb_do_syscallv:
+ * @cb: function to call when the system call has completed
+ * @fmt: gdb syscall format string
+ * @va: arguments to interpolate into @fmt
+ *
+ * As gdb_do_syscall, but taking a va_list rather than a variable
+ * argument list.
+ */
+void gdb_do_syscallv(gdb_syscall_complete_cb cb, const char *fmt, va_list va);
+int use_gdb_syscalls(void);
+void gdb_set_stop_cpu(CPUState *cpu);
+void gdb_exit(CPUArchState *, int);
+#ifdef CONFIG_USER_ONLY
+int gdb_queuesig (void);
+int gdb_handlesig(CPUState *, int);
+void gdb_signalled(CPUArchState *, int);
+void gdbserver_fork(CPUState *);
+#endif
+/* Get or set a register. Returns the size of the register. */
+typedef int (*gdb_reg_cb)(CPUArchState *env, uint8_t *buf, int reg);
+void gdb_register_coprocessor(CPUState *cpu,
+ gdb_reg_cb get_reg, gdb_reg_cb set_reg,
+ int num_regs, const char *xml, int g_pos);
+
+static inline int cpu_index(CPUState *cpu)
+{
+#if defined(CONFIG_USER_ONLY)
+ return cpu->host_tid;
+#else
+ return cpu->cpu_index + 1;
+#endif
+}
+
+/* The GDB remote protocol transfers values in target byte order. This means
+ * we can use the raw memory access routines to access the value buffer.
+ * Conveniently, these also handle the case where the buffer is mis-aligned.
+ */
+
+static inline int gdb_get_reg8(uint8_t *mem_buf, uint8_t val)
+{
+ stb_p(mem_buf, val);
+ return 1;
+}
+
+static inline int gdb_get_reg16(uint8_t *mem_buf, uint16_t val)
+{
+ stw_p(mem_buf, val);
+ return 2;
+}
+
+static inline int gdb_get_reg32(uint8_t *mem_buf, uint32_t val)
+{
+ stl_p(mem_buf, val);
+ return 4;
+}
+
+static inline int gdb_get_reg64(uint8_t *mem_buf, uint64_t val)
+{
+ stq_p(mem_buf, val);
+ return 8;
+}
+
+#if TARGET_LONG_BITS == 64
+#define gdb_get_regl(buf, val) gdb_get_reg64(buf, val)
+#define ldtul_p(addr) ldq_p(addr)
+#else
+#define gdb_get_regl(buf, val) gdb_get_reg32(buf, val)
+#define ldtul_p(addr) ldl_p(addr)
+#endif
+
+#endif
+
+#ifdef CONFIG_USER_ONLY
+int gdbserver_start(int);
+#else
+int gdbserver_start(const char *port);
+#endif
+
+/**
+ * gdb_has_xml:
+ * This is an ugly hack to cope with both new and old gdb.
+ * If gdb sends qXfer:features:read then assume we're talking to a newish
+ * gdb that understands target descriptions.
+ */
+extern bool gdb_has_xml;
+
+/* in gdbstub-xml.c, generated by scripts/feature_to_c.sh */
+extern const char *const xml_builtin[][2];
+
+#endif
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