add host_func_trap

yamt · Aug 7, 2024 · 8d89055 · 8d89055
1 parent 88cf9af
commit 8d89055
Show file tree

Hide file tree

Showing 3 changed files with 15 additions and 0 deletions.
diff --git a/lib/exec.h b/lib/exec.h
@@ -65,6 +65,8 @@ int invoke(struct funcinst *finst, const struct resulttype *paramtype,
 int check_interrupt(struct exec_context *ctx);
 int check_interrupt_interval_ms(struct exec_context *ctx);
 
+int vtrap(struct exec_context *ctx, enum trapid id, const char *fmt,
+          va_list ap);
 int trap_with_id(struct exec_context *ctx, enum trapid id, const char *fmt,
                  ...) __attribute__((__format__(__printf__, 3, 4)));
 int memory_getptr(struct exec_context *ctx, uint32_t memidx, uint32_t ptr,

diff --git a/lib/host_instance.c b/lib/host_instance.c
@@ -227,6 +227,17 @@ host_func_memory_getptr2(struct exec_context *ctx, uint32_t memidx,
         return memory_getptr2(ctx, memidx, ptr, offset, size, pp, movedp);
 }
 
+int
+host_func_trap(struct exec_context *ctx, const char *fmt, ...)
+{
+        int ret;
+        va_list ap;
+        va_start(ap, fmt);
+        ret = vtrap(ctx, TRAP_MISC, fmt, ap);
+        va_end(ap);
+        return ret;
+}
+
 int
 schedule_call_from_hostfunc(struct exec_context *ctx,
                             struct restart_info *restart,

diff --git a/lib/host_instance.h b/lib/host_instance.h
@@ -95,6 +95,8 @@ int host_func_memory_getptr(struct exec_context *ctx, uint32_t memidx,
 int host_func_memory_getptr2(struct exec_context *ctx, uint32_t memidx,
                              uint32_t ptr, uint32_t offset, uint32_t size,
                              void **pp, bool *movedp);
+int host_func_trap(struct exec_context *ctx, const char *fmt, ...)
+        __attribute__((__format__(__printf__, 2, 3)));
 struct restart_info;
 int schedule_call_from_hostfunc(struct exec_context *ctx,
                                 struct restart_info *restart,