Add a function to list symbols in a file and their values at the

same time rather than having to list the symbols and then go back
and look each one up by name.

2 files changed, 21 insertions, 0 deletions

diff --git a/sys/kern/kern_linker.c b/sys/kern/kern_linker.c
index e6080aa..321436d 100644
--- a/sys/kern/kern_linker.c
+++ b/sys/kern/kern_linker.c
@@ -690,6 +690,16 @@ linker_file_lookup_set(linker_file_t file, const char *name,
 	return (error);
 }
 
+/*
+ * List all functions in a file.
+ */
+int
+linker_file_function_listall(linker_file_t lf,
+    int (*callback_func)(linker_file_t, linker_symval_t *, void *), void *arg)
+{
+	return (LINKER_EACH_FUNCTION_NAMEVAL(lf, callback_func, arg));
+}
+
 caddr_t
 linker_file_lookup_symbol(linker_file_t file, const char *name, int deps)
 {
diff --git a/sys/kern/linker_if.m b/sys/kern/linker_if.m
index 84d56d2..1530da2 100644
--- a/sys/kern/linker_if.m
+++ b/sys/kern/linker_if.m
@@ -64,6 +64,17 @@ METHOD int each_function_name {
 };
 
 #
+# Call the callback with each specified function and it's value
+# defined in the file.
+# Stop and return the error if the callback returns an error.
+#
+METHOD int each_function_nameval {
+	linker_file_t	file;
+	linker_function_nameval_callback_t	callback;
+	void*		opaque;
+};
+
+#
 # Search for a linker set in a file.  Return a pointer to the first
 # entry (which is itself a pointer), and the number of entries.
 # "stop" points to the entry beyond the last valid entry.