1 files changed, 20 insertions, 0 deletions
diff --git a/PGU/CHAP8/helloworld-lib.s b/PGU/CHAP8/helloworld-lib.s
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+++ b/PGU/CHAP8/helloworld-lib.s
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+# Hello world using DSOs
+
+.section .data
+	helloworld:
+		.ascii "hello world\n\0"
+
+.section .text
+
+.globl _start
+
+_start:
+
+	# This differs from the book. In x86_64, arguments are passed through
+	# registers most of the time, in contrast with i386, where we can push
+	# them in the stack.
+	movq $helloworld, %rdi
+	call printf
+
+	movq $50, %rdi
+	call exit