works with less than base ISA qemu-system-riscv32 -M virt -bios none -kernel output...

[qemu.git] / include / qemu / plugin.h

diff --git a/include/qemu/plugin.h b/include/qemu/plugin.h
index b3172b147f2cfd0945fc275911dd66bd9af93f53..a772e141939c8069dd03f9f3a94a6cd13d4dd834 100644 (file)
--- a/include/qemu/plugin.h
+++ b/include/qemu/plugin.h
@@ -163,10 +163,12 @@ struct qemu_plugin_tb {
 
 /**
  * qemu_plugin_tb_insn_get(): get next plugin record for translation.
- *
+ * @tb: the internal tb context
+ * @pc: address of instruction
  */
 static inline
-struct qemu_plugin_insn *qemu_plugin_tb_insn_get(struct qemu_plugin_tb *tb)
+struct qemu_plugin_insn *qemu_plugin_tb_insn_get(struct qemu_plugin_tb *tb,
+                                                 uint64_t pc)
 {
     struct qemu_plugin_insn *insn;
     int i, j;
@@ -179,6 +181,7 @@ struct qemu_plugin_insn *qemu_plugin_tb_insn_get(struct qemu_plugin_tb *tb)
     g_byte_array_set_size(insn->data, 0);
     insn->calls_helpers = false;
     insn->mem_helper = false;
+    insn->vaddr = pc;
 
     for (i = 0; i < PLUGIN_N_CB_TYPES; i++) {
         for (j = 0; j < PLUGIN_N_CB_SUBTYPES; j++) {
@@ -221,6 +224,23 @@ void qemu_plugin_disable_mem_helpers(CPUState *cpu);
  */
 void qemu_plugin_user_exit(void);
 
+/**
+ * qemu_plugin_user_prefork_lock(): take plugin lock before forking
+ *
+ * This is a user-mode only helper to take the internal plugin lock
+ * before a fork event. This is ensure a consistent lock state
+ */
+void qemu_plugin_user_prefork_lock(void);
+
+/**
+ * qemu_plugin_user_postfork(): reset the plugin lock
+ * @is_child: is this thread the child
+ *
+ * This user-mode only helper resets the lock state after a fork so we
+ * can continue using the plugin interface.
+ */
+void qemu_plugin_user_postfork(bool is_child);
+
 #else /* !CONFIG_PLUGIN */
 
 static inline void qemu_plugin_add_opts(void)
@@ -284,6 +304,13 @@ static inline void qemu_plugin_disable_mem_helpers(CPUState *cpu)
 
 static inline void qemu_plugin_user_exit(void)
 { }
+
+static inline void qemu_plugin_user_prefork_lock(void)
+{ }
+
+static inline void qemu_plugin_user_postfork(bool is_child)
+{ }
+
 #endif /* !CONFIG_PLUGIN */
 
 #endif /* QEMU_PLUGIN_H */