From 2a791c418d83b48691a84efc3e2c7ed357bec1a2 Mon Sep 17 00:00:00 2001
From: Christine Dodrill <me@christine.website>
Date: Wed, 20 Jun 2018 08:34:05 -0700
Subject: [PATCH] start with hello world in C

---
 Tupfile.rules                    |   4 +---
 cmd/land/Tupfile                 |   2 +-
 cmd/land/testdata/Tupfile        |   1 +
 cmd/land/testdata/fileops.wasm   | Bin 260 -> 0 bytes
 cmd/land/testdata/hello.wasm     | Bin 80 -> 0 bytes
 cmd/land/testdata/helloworld.c   |  21 +++++++++++++++++++++
 cmd/land/testdata/land.h         |   9 +++++++++
 cmd/land/testdata/writefile.wasm | Bin 131 -> 0 bytes
 8 files changed, 33 insertions(+), 4 deletions(-)
 delete mode 100644 cmd/land/testdata/fileops.wasm
 delete mode 100644 cmd/land/testdata/hello.wasm
 create mode 100644 cmd/land/testdata/helloworld.c
 create mode 100644 cmd/land/testdata/land.h
 delete mode 100644 cmd/land/testdata/writefile.wasm

diff --git a/Tupfile.rules b/Tupfile.rules
index 644dd4a..3e4e48b 100644
--- a/Tupfile.rules
+++ b/Tupfile.rules
@@ -1,3 +1 @@
-.gitignore
-
-: foreach *.wast |> wat2wasm -o %o %f |> %B.wasm
\ No newline at end of file
+.gitignore
\ No newline at end of file
diff --git a/cmd/land/Tupfile b/cmd/land/Tupfile
index 51ea52d..33c9413 100644
--- a/cmd/land/Tupfile
+++ b/cmd/land/Tupfile
@@ -1,4 +1,4 @@
 include_rules
 
-: *_test.go | testdata/arbint.wasm testdata/struct.wasm |> vgo test -v -cover -race -o %o |> ../../bin/%d.test
+: *_test.go | testdata/*.wasm |> vgo test -v -cover -race -o %o |> ../../bin/%d.test
 : *.go |> vgo build -o %o |> ../../bin/land
diff --git a/cmd/land/testdata/Tupfile b/cmd/land/testdata/Tupfile
index cb970cd..586fd90 100644
--- a/cmd/land/testdata/Tupfile
+++ b/cmd/land/testdata/Tupfile
@@ -4,4 +4,5 @@ CFLAGS += --target=wasm32-unknown-unknown-wasm
 CFLAGS += --sysroot=~/code/wasmception/sysroot/
 CFLAGS += -O0 -nostartfiles -Wl,--no-entry -nostdlib
 
+: foreach *.wast |> wat2wasm -o %o %f |> %B.wasm
 : foreach *.c |>  ~/code/wasmception/dist/bin/clang $(CFLAGS) %f -o %o |> %B.wasm
diff --git a/cmd/land/testdata/fileops.wasm b/cmd/land/testdata/fileops.wasm
deleted file mode 100644
index c0eb0a47812ecee0ae444f77b103b95c13777438..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 260
zcmXYpJx;_h5QX3PZ?iF4xpo1Y4k0e#4o*NDi@1pJIw%ROsC+$6!ZpB7C}!q+Pwx%<
zav=b8t9r_mdzS0wc{?ab89l(B6%XlCzQ$<@KxHw#hXmT}>pZRjY_sR!haJ_p_;vl-
z<LV>DF})R`Bo{(*$q965NL>7w(6%q~2=`6y!H~Ye8SaPN$uPT%-zvD(P0bi-^*vEG
qsw+WrD1(1)3Jbd#M~4np>pNCES`2>m^{YNTg&3#D^L3iz(6xV5Su(Kz

diff --git a/cmd/land/testdata/hello.wasm b/cmd/land/testdata/hello.wasm
deleted file mode 100644
index 1828cc65dfe8593c3857dbd50ad6667ef3dc30b2..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 80
zcmWm0ISzm@3<SVkn~1{{e2I={Bt?Xfaui6k{vOXlOf^V%B><X4ai>Sn#i+SGTKWm7
ckU<HK6Nj3v1}?@K`^!CSFkAWG!jVhq9}9R5D*ylh

diff --git a/cmd/land/testdata/helloworld.c b/cmd/land/testdata/helloworld.c
new file mode 100644
index 0000000..b08f327
--- /dev/null
+++ b/cmd/land/testdata/helloworld.c
@@ -0,0 +1,21 @@
+extern int open(const char *, int);
+extern int write(int, char *, int);
+extern int close(int);
+
+__attribute__ ((visibility ("default")))
+int main() {
+  const char *name = "hello";
+  char *msg = "Hello, world!";
+  int fd = open(name, 0x42);
+  int num = write(fd, msg, 13);
+  if (num == 0) {
+    return 1;
+  }
+
+  num = close(fd);
+  if (num == 0) {
+    return 1;
+  }
+
+  return 0;
+}
diff --git a/cmd/land/testdata/land.h b/cmd/land/testdata/land.h
new file mode 100644
index 0000000..618c6f4
--- /dev/null
+++ b/cmd/land/testdata/land.h
@@ -0,0 +1,9 @@
+#define export __attribute__ ((visibility ("default"))
+#define import extern
+
+import int close(int file);
+import int isatty(int file);
+import int open(const char *name, int flags, ...);
+import int read(int file, char *ptr, int len);
+import int write(int file, char *ptr, int len);
+import int unlink(char *name);
diff --git a/cmd/land/testdata/writefile.wasm b/cmd/land/testdata/writefile.wasm
deleted file mode 100644
index 0ddedad46ef1809288de81a23f51f940e9a09f47..0000000000000000000000000000000000000000
GIT binary patch
literal 0
HcmV?d00001

literal 131
zcmW-WK?=e!6b0Y=X;m61MJb3YyA>~yoyTaQSrpPl+Gv-#o+t4f5?3?KU|44Y;8FFG
z5>v0zA7GNRDC^%vcv=r+Ew^Qg7F0qh6~X<1#XL+NQnft6d}wYB%$KHacrnnrlU(&~
VjbnJlymbAr&V~DR3yT}O>IeGk97g~E