gdbstub: Introduce GdbBreakpointType enumerator

Introduce the GdbBreakpointType enumerator to better follow
code related to GDB protocol handling.

Signed-off-by: Philippe Mathieu-Daudé <philmd@oss.qualcomm.com>
Reviewed-by: Daniel Henrique Barboza <daniel.barboza@oss.qualcomm.com>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-ID: <20260705215729.62196-25-philmd@oss.qualcomm.com>
diff --git a/gdbstub/internals.h b/gdbstub/internals.h
index 0b74ea4..33f6867 100644
--- a/gdbstub/internals.h
+++ b/gdbstub/internals.h
@@ -11,6 +11,7 @@
 
 #include "qemu/accel.h"
 #include "exec/cpu-common.h"
+#include "gdbstub/enums.h"
 
 /*
  * Most "large" transfers (e.g. memory reads, feature XML
@@ -217,8 +218,10 @@
  * Break/Watch point support - there is an implementation for system
  * and user mode.
  */
-int gdb_breakpoint_insert(CPUState *cs, int type, vaddr addr, vaddr len);
-int gdb_breakpoint_remove(CPUState *cs, int type, vaddr addr, vaddr len);
+int gdb_breakpoint_insert(CPUState *cs, GdbBreakpointType type,
+                          vaddr addr, vaddr len);
+int gdb_breakpoint_remove(CPUState *cs, GdbBreakpointType type,
+                          vaddr addr, vaddr len);
 void gdb_breakpoint_remove_all(CPUState *cs);
 
 /**
diff --git a/gdbstub/system.c b/gdbstub/system.c
index 9c4bd8e..6e2dbc8 100644
--- a/gdbstub/system.c
+++ b/gdbstub/system.c
@@ -623,7 +623,8 @@
  * Break/Watch point helpers
  */
 
-int gdb_breakpoint_insert(CPUState *cs, int type, vaddr addr, vaddr len)
+int gdb_breakpoint_insert(CPUState *cs, GdbBreakpointType type,
+                          vaddr addr, vaddr len)
 {
     const AccelOpsClass *ops = cpus_get_accel();
     if (ops->insert_breakpoint) {
@@ -632,7 +633,8 @@
     return -ENOSYS;
 }
 
-int gdb_breakpoint_remove(CPUState *cs, int type, vaddr addr, vaddr len)
+int gdb_breakpoint_remove(CPUState *cs, GdbBreakpointType type,
+                          vaddr addr, vaddr len)
 {
     const AccelOpsClass *ops = cpus_get_accel();
     if (ops->remove_breakpoint) {
diff --git a/gdbstub/user.c b/gdbstub/user.c
index 90d6ee4..9e6f9a6 100644
--- a/gdbstub/user.c
+++ b/gdbstub/user.c
@@ -790,7 +790,8 @@
  * Break/Watch point helpers
  */
 
-int gdb_breakpoint_insert(CPUState *cs, int type, vaddr addr, vaddr len)
+int gdb_breakpoint_insert(CPUState *cs, GdbBreakpointType type,
+                          vaddr addr, vaddr len)
 {
     CPUState *cpu;
     int err = 0;
@@ -811,7 +812,8 @@
     }
 }
 
-int gdb_breakpoint_remove(CPUState *cs, int type, vaddr addr, vaddr len)
+int gdb_breakpoint_remove(CPUState *cs, GdbBreakpointType type,
+                          vaddr addr, vaddr len)
 {
     CPUState *cpu;
     int err = 0;
diff --git a/include/gdbstub/enums.h b/include/gdbstub/enums.h
index c4d54a1..e4e2043 100644
--- a/include/gdbstub/enums.h
+++ b/include/gdbstub/enums.h
@@ -12,10 +12,12 @@
 #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
+typedef enum GdbBreakpointType {
+    GDB_BREAKPOINT_SW       = 0,
+    GDB_BREAKPOINT_HW       = 1,
+    GDB_WATCHPOINT_WRITE    = 2,
+    GDB_WATCHPOINT_READ     = 3,
+    GDB_WATCHPOINT_ACCESS   = 4,
+} GdbBreakpointType;
 
 #endif /* GDBSTUB_ENUMS_H */