3 files changed, 32 insertions, 0 deletions
diff --git a/src/main.c b/src/main.c
new file mode 100644
index 0000000..83423bb
--- /dev/null
+++ b/src/main.c

@@ -0,0 +1,6 @@
+int main(int argc, char** argv);
+int main(int argc, char** argv)
+{
+        return 0;
+}
diff --git a/src/note.s b/src/note.s
new file mode 100644
index 0000000..a8b606e
--- /dev/null
+++ b/src/note.s

@@ -0,0 +1,9 @@
+.section .note.netbsd.ident, "a" # allocatable section.
+        .align 4
+        .int 7 # namesz = "NetBSD" = 7 bytes.
+        .int 4 # descsz = version = 4 bytes.
+        .int 1 # type = ELF_NOTE_TYPE_NETBSD_TAG.
+        .ascii "NetBSD" # name.
+        .byte 0 # null term for name.
+        .long 110000000 # desc = 11.0 (netbsd ver).
+        .align 4
diff --git a/src/start.s b/src/start.s
new file mode 100644
index 0000000..58efed0
--- /dev/null
+++ b/src/start.s

@@ -0,0 +1,17 @@
+.section .text
+.globl _start
+.type _start, @function
+_start:
+        xorq %rbp, %rbp # frame ptr (%rbp) = null. marks stack bottom.
+        movl (%rsp), %edi # argc = first 4 bytes of stack.
+        leaq 8(%rsp), %rsi # argv = address of first arg ptr.
+        call main # see main.c.
+        movl %eax, %edi # status = ret val.
+        movl $1, %eax # SYS_exit = 1.
+        syscall
+        .size _start, .-_start
+        hlt # if syscall fails hang.

diff --git a/src/main.c b/src/main.c new file mode 100644 index 0000000..83423bb --- /dev/null +++ b/src/main.c
@@ -0,0 +1,6 @@
	1	int main(int argc, char** argv);
	2
	3	int main(int argc, char** argv)
	4	{
	5	return 0;
	6	}


diff --git a/src/note.s b/src/note.s new file mode 100644 index 0000000..a8b606e --- /dev/null +++ b/src/note.s
@@ -0,0 +1,9 @@
	1	.section .note.netbsd.ident, "a" # allocatable section.
	2	.align 4
	3	.int 7 # namesz = "NetBSD" = 7 bytes.
	4	.int 4 # descsz = version = 4 bytes.
	5	.int 1 # type = ELF_NOTE_TYPE_NETBSD_TAG.
	6	.ascii "NetBSD" # name.
	7	.byte 0 # null term for name.
	8	.long 110000000 # desc = 11.0 (netbsd ver).
	9	.align 4


diff --git a/src/start.s b/src/start.s new file mode 100644 index 0000000..58efed0 --- /dev/null +++ b/src/start.s
@@ -0,0 +1,17 @@
	1	.section .text
	2	.globl _start
	3	.type _start, @function
	4	_start:
	5	xorq %rbp, %rbp # frame ptr (%rbp) = null. marks stack bottom.
	6
	7	movl (%rsp), %edi # argc = first 4 bytes of stack.
	8	leaq 8(%rsp), %rsi # argv = address of first arg ptr.
	9
	10	call main # see main.c.
	11
	12	movl %eax, %edi # status = ret val.
	13	movl $1, %eax # SYS_exit = 1.
	14	syscall
	15
	16	.size _start, .-_start
	17	hlt # if syscall fails hang.