gdbstub: specialise target_memory_rw_debug

The two implementations are different enough to encourage having a
specialisation and we can move some of the softmmu only stuff out of
gdbstub.

Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Message-Id: <20230302190846.2593720-16-alex.bennee@linaro.org>
Message-Id: <20230303025805.625589-16-richard.henderson@linaro.org>

1 files changed, 19 insertions, 0 deletions

diff --git a/gdbstub/internals.h b/gdbstub/internals.h
index 20caacd744..d8c0292d99 100644
--- a/gdbstub/internals.h
+++ b/gdbstub/internals.h
@@ -185,6 +185,10 @@ void gdb_handle_query_xfer_auxv(GArray *params, void *user_ctx); /*user */
 
 void gdb_handle_query_attached(GArray *params, void *user_ctx); /* both */
 
+/* softmmu only */
+void gdb_handle_query_qemu_phy_mem_mode(GArray *params, void *user_ctx);
+void gdb_handle_set_qemu_phy_mem_mode(GArray *params, void *user_ctx);
+
 /*
  * Break/Watch point support - there is an implementation for softmmu
  * and user mode.
@@ -194,4 +198,19 @@ int gdb_breakpoint_insert(CPUState *cs, int type, vaddr addr, vaddr len);
 int gdb_breakpoint_remove(CPUState *cs, int type, vaddr addr, vaddr len);
 void gdb_breakpoint_remove_all(CPUState *cs);
 
+/**
+ * gdb_target_memory_rw_debug() - handle debug access to memory
+ * @cs: CPUState
+ * @addr: nominal address, could be an entire physical address
+ * @buf: data
+ * @len: length of access
+ * @is_write: is it a write operation
+ *
+ * This function is specialised depending on the mode we are running
+ * in. For softmmu guests we can switch the interpretation of the
+ * address to a physical address.
+ */
+int gdb_target_memory_rw_debug(CPUState *cs, hwaddr addr,
+                               uint8_t *buf, int len, bool is_write);
+
 #endif /* GDBSTUB_INTERNALS_H */