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-rw-r--r--code/tools/lcc/src/null.c74
1 files changed, 74 insertions, 0 deletions
diff --git a/code/tools/lcc/src/null.c b/code/tools/lcc/src/null.c
new file mode 100644
index 0000000..b9f551c
--- /dev/null
+++ b/code/tools/lcc/src/null.c
@@ -0,0 +1,74 @@
+#include "c.h"
+#define I(f) null_##f
+
+static Node I(gen)(Node p) { return p; }
+static void I(address)(Symbol q, Symbol p, long n) {}
+static void I(blockbeg)(Env *e) {}
+static void I(blockend)(Env *e) {}
+static void I(defaddress)(Symbol p) {}
+static void I(defconst)(int suffix, int size, Value v) {}
+static void I(defstring)(int len, char *s) {}
+static void I(defsymbol)(Symbol p) {}
+static void I(emit)(Node p) {}
+static void I(export)(Symbol p) {}
+static void I(function)(Symbol f, Symbol caller[], Symbol callee[], int ncalls) {}
+static void I(global)(Symbol p) {}
+static void I(import)(Symbol p) {}
+static void I(local)(Symbol p) {}
+static void I(progbeg)(int argc, char *argv[]) {}
+static void I(progend)(void) {}
+static void I(segment)(int s) {}
+static void I(space)(int n) {}
+static void I(stabblock)(int brace, int lev, Symbol *p) {}
+static void I(stabend)(Coordinate *cp, Symbol p, Coordinate **cpp, Symbol *sp, Symbol *stab) {}
+static void I(stabfend)(Symbol p, int lineno) {}
+static void I(stabinit)(char *file, int argc, char *argv[]) {}
+static void I(stabline)(Coordinate *cp) {}
+static void I(stabsym)(Symbol p) {}
+static void I(stabtype)(Symbol p) {}
+
+
+Interface nullIR = {
+ {1, 1, 0}, /* char */
+ {2, 2, 0}, /* short */
+ {4, 4, 0}, /* int */
+ {8, 8, 1}, /* long */
+ {8 ,8, 1}, /* long long */
+ {4, 4, 1}, /* float */
+ {8, 8, 1}, /* double */
+ {16,16,1}, /* long double */
+ {4, 4, 0}, /* T* */
+ {0, 4, 0}, /* struct */
+ 1, /* little_endian */
+ 0, /* mulops_calls */
+ 0, /* wants_callb */
+ 0, /* wants_argb */
+ 1, /* left_to_right */
+ 0, /* wants_dag */
+ 0, /* unsigned_char */
+ I(address),
+ I(blockbeg),
+ I(blockend),
+ I(defaddress),
+ I(defconst),
+ I(defstring),
+ I(defsymbol),
+ I(emit),
+ I(export),
+ I(function),
+ I(gen),
+ I(global),
+ I(import),
+ I(local),
+ I(progbeg),
+ I(progend),
+ I(segment),
+ I(space),
+ I(stabblock),
+ I(stabend),
+ I(stabfend),
+ I(stabinit),
+ I(stabline),
+ I(stabsym),
+ I(stabtype)
+};