diff --git a/reference/gmp/constants.xml b/reference/gmp/constants.xml
index 9bbe5fd56a..a0b062eff8 100644
--- a/reference/gmp/constants.xml
+++ b/reference/gmp/constants.xml
@@ -37,6 +37,61 @@
+
+
+ GMP_MSW_FIRST
+ (integer)
+
+
+
+
+
+
+
+
+
+ GMP_LSW_FIRST
+ (integer)
+
+
+
+
+
+
+
+
+
+ GMP_LITTLE_ENDIAN
+ (integer)
+
+
+
+
+
+
+
+
+
+ GMP_BIG_ENDIAN
+ (integer)
+
+
+
+
+
+
+
+
+
+ GMP_NATIVE_ENDIAN
+ (integer)
+
+
+
+
+
+
+
GMP_VERSION
diff --git a/reference/gmp/functions/gmp-export.xml b/reference/gmp/functions/gmp-export.xml
new file mode 100644
index 0000000000..d01ed884e9
--- /dev/null
+++ b/reference/gmp/functions/gmp-export.xml
@@ -0,0 +1,104 @@
+
+
+
+
+ gmp_export
+ Export to a binary string
+
+
+
+ &reftitle.description;
+
+ stringgmp_export
+ GMPgmpnumber
+ integerword_size
+ integeroptions
+
+
+ Export a GMP number to a binary string
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ gmpnumber
+
+
+ The GMP number being exported
+
+
+
+
+ word_size
+
+
+ Default value is 1. The number of bytes in each chunk of binary data. This is mainly used in conjunction with the options parameter.
+
+
+
+
+ options
+
+
+ Default value is GMP_MSW_FIRST | GMP_NATIVE_ENDIAN.
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ Returns a string&return.falseforfailure;.
+
+
+
+
+ &reftitle.examples;
+
+
+ <function>gmp_export</function> example
+
+
+]]>
+
+ &example.outputs;
+
+
+
+
+
+
+
+
+
diff --git a/reference/gmp/functions/gmp-import.xml b/reference/gmp/functions/gmp-import.xml
new file mode 100644
index 0000000000..1c70e57c37
--- /dev/null
+++ b/reference/gmp/functions/gmp-import.xml
@@ -0,0 +1,108 @@
+
+
+
+
+ gmp_import
+ Import from a binary string
+
+
+
+ &reftitle.description;
+
+ GMPgmp_import
+ stringdata
+ integerword_size
+ integeroptions
+
+
+ Import a GMP number from a binary string
+
+
+
+
+ &reftitle.parameters;
+
+
+
+ data
+
+
+ The binary string being imported
+
+
+
+
+ word_size
+
+
+ Default value is 1. The number of bytes in each chunk of binary data. This is mainly used in conjunction with the options parameter.
+
+
+
+
+ options
+
+
+ Default value is GMP_MSW_FIRST | GMP_NATIVE_ENDIAN.
+
+
+
+
+
+
+
+
+ &reftitle.returnvalues;
+
+ Returns a GMP number&return.falseforfailure;.
+
+
+
+
+ &reftitle.examples;
+
+
+ <function>gmp_import</function> example
+
+
+]]>
+
+ &example.outputs;
+
+
+
+
+
+
+
+
+