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authorRich Felker <dalias@aerifal.cx>2013-07-10 16:58:27 -0400
committerRich Felker <dalias@aerifal.cx>2013-07-10 16:58:27 -0400
commitc07da2e9704d2ba95efa34a4fde2747d973b4e4c (patch)
tree814e020ffae9e24e6f23280d5e826ad6935bd71b /crt/arm/Scrt1.s
parent3e8806b4f7f25f7c249f61f597d3a113f531a059 (diff)
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add PIE support for ARM
Diffstat (limited to 'crt/arm/Scrt1.s')
-rw-r--r--crt/arm/Scrt1.s30
1 files changed, 30 insertions, 0 deletions
diff --git a/crt/arm/Scrt1.s b/crt/arm/Scrt1.s
new file mode 100644
index 00000000..a54859aa
--- /dev/null
+++ b/crt/arm/Scrt1.s
@@ -0,0 +1,30 @@
+.weak _init
+.weak _fini
+.global _start
+_start:
+	mov fp,#0
+	mov lr,#0
+
+	ldr a2,[sp],#4
+	mov a3,sp
+	str fp,[sp,#-4]!
+	str a1,[sp,#-4]!
+
+	adr ip,2f
+	ldr a4,2f+4
+	add a4,a4,ip
+	str a4,[sp,#-4]!
+	ldr a4,2f+8
+	add a4,a4,ip
+
+	ldr a1,2f
+	add ip,ip,a1
+	ldr a1,2f+12
+	ldr a1,[ip,a1]
+
+	bl __libc_start_main(PLT)
+1:	b 1b
+2:	.word _GLOBAL_OFFSET_TABLE_-2b
+	.word _fini-2b
+	.word _init-2b
+	.word main(GOT)