From 90a02f720ece4c6d3163246ce17718d3d4d4b5c8 Mon Sep 17 00:00:00 2001
From: John van Groningen
Date: Thu, 22 Oct 2015 13:08:20 +0000
Subject: add position independent code option (PIC) for ARM

---
 armmacros.s | 76 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 76 insertions(+)
 create mode 100644 armmacros.s

(limited to 'armmacros.s')

diff --git a/armmacros.s b/armmacros.s
new file mode 100644
index 0000000..609d4b5
--- /dev/null
+++ b/armmacros.s
@@ -0,0 +1,76 @@
+
+.ifdef PIC
+
+.macro lao r a i
+	ldr	\r,\a\()__o\i
+.endm
+
+.macro otoa r a i
+\a\()__u\i:
+	add	\r,\r,pc
+.endm
+
+.macro ldo rd ra a i
+\a\()__u\i:
+	ldr	\rd,[pc,\ra]	
+.endm
+
+.macro ldosb rd ra a i
+\a\()__u\i:
+	ldrsb	\rd,[pc,\ra]	
+.endm
+
+.macro sto rd ra a i
+\a\()__u\i:
+	str	\rd,[pc,\ra]	
+.endm
+
+.macro stob rd ra a i
+\a\()__u\i:
+	strb	\rd,[pc,\ra]	
+.endm
+
+.macro lto a i
+\a\()__o\i:
+	.long	\a\()-(\a\()__u\i\()+8)
+.endm
+
+.macro laol r a l i
+	ldr	\r,\l\()__o\i
+.endm
+
+.macro ltol a l i
+\l\()__o\i:
+	.long	\a\()-(\l\()__u\i\()+8)
+.endm
+
+.else
+
+.macro lao r a i
+	ldr	\r,=\a
+.endm
+
+.macro otoa r a i
+.endm
+
+.macro ldo rd ra a i
+	ldr	\rd,[\ra]	
+.endm
+
+.macro ldosb rd ra a i
+	ldrsb	\rd,[\ra]	
+.endm
+
+.macro sto rd ra a i
+	str	\rd,[\ra]	
+.endm
+
+.macro stob rd ra a i
+	strb	\rd,[\ra]	
+.endm
+
+.macro laol r a l i
+	ldr	\r,=\a
+.endm
+
+.endif
-- 
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