From afceadb7f7e9d5aa8d276cc7d08394819bad3a32 Mon Sep 17 00:00:00 2001
From: Kragen Javier Sitaker <kragen@pobox.com>
Date: Thu, 9 Oct 2008 01:24:23 -0300
Subject: [PATCH] Got compiler to be able to compile "hello, world" program.

Although it just says "hi", since I don't have strings.
---
 .gitignore     | 1 +
 build          | 8 ++++++++
 hi.tbf1        | 3 +++
 tinyboot1.tbf1 | 4 +++-
 4 files changed, 15 insertions(+), 1 deletion(-)
 create mode 100644 hi.tbf1

diff --git a/.gitignore b/.gitignore
index 747de50..0aea899 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,3 +6,4 @@ hello42
 a.out
 tmp.*
 Q
+hi
diff --git a/build b/build
index 47c1ff5..72cba32 100755
--- a/build
+++ b/build
@@ -3,9 +3,17 @@ set -ve
 if ! ./tinyboot.py hello42.tbf1 > hello42; then cat hello42; exit 1; fi
 chmod 755 hello42
 ./hello42 || echo $?
+
+./tinyboot.py Q.tbf1
 if ! ./tinyboot.py tinyboot1.tbf1 < Q.tbf1 > Q; then cat Q; exit 1; fi
 chmod 755 Q
 strace ./Q
+
+./tinyboot.py hi.tbf1
+if ! ./tinyboot.py tinyboot1.tbf1 < hi.tbf1 > hi; then cat hi; exit 1; fi
+chmod 755 hi
+strace ./hi
+
 if ! ./tinyboot.py tinyboot1.tbf1 < tinyboot1.tbf1 > tb1; then cat tb1; exit 1; fi
 chmod 755 tb1
 ./tb1 || echo $?
diff --git a/hi.tbf1 b/hi.tbf1
new file mode 100644
index 0000000..80d0891
--- /dev/null
+++ b/hi.tbf1
@@ -0,0 +1,3 @@
+( simple program to print out "hi" )
+v h b 104 b 105 b 10 
+^ h 3 W Q
diff --git a/tinyboot1.tbf1 b/tinyboot1.tbf1
index fe88b3e..56161a2 100644
--- a/tinyboot1.tbf1
+++ b/tinyboot1.tbf1
@@ -102,9 +102,11 @@ v `
 v M  ( system call routine; called in program with lowercase `m`)
   ( syscall number already in %eax )
 ( xchg %ebp, %esp) b 135 b 236
+( this really weird order is basically a special case for write(2)
+( first we pop the first argument, then the third, then the second)
        ( pop %ebx) b 91
-       ( pop %ecx) b 89
        ( pop %edx) b 90
+       ( pop %ecx) b 89
        ( int 0x80) b 205 b 128
 ( xchg %ebp, %esp) b 135 b 236
             ( ret) b 195