Don't trash regs r0-r2, fix thanks to Michiel Thuys <michiel.thuys@intersil.com>.

libc/sysdeps/linux/arm/crt0pic.S

@@ -1,74 +1,77 @@
-.text
-	.align 2
-	.global __environ
-	.global _start
-	.global exit
-	.global main
-	.global __libc_init
-	.global __init_stdio
-	.global __stdio_close_all
-	.global _void_void_null_func
-
-	.type   _start,%function
-	.type   exit,%function
-	.type   main,%function
-	.type   __libc_init,%function
-	.type   __init_stdio,%function
-	.type   __stdio_close_all,%function
-	.type   _void_void_null_func,%function
-
-
-
-@ r0 = argc
-@ r1 = argv
-@ r2 = envp
-@ sl = data segment
-
-.text
-_start:
-	@ adjust the data segment base pointer
-	ldr r3,=__data_start
-	sub sl,sl,r3
-	mov r9,sl
-
-	ldr r3, .L3
-	str r2,[r9,r3]
-	ldr r0,[sp, #0]
-	ldr r1,[sp, #4]
-	ldr r2,[sp, #8]
-	
-	/* Tell libc to initialize whatever it needs */
-        bl __libc_init		    
-        bl __init_stdio
-	bl      main
-/*	ldr r0,=0  */
-	bl      exit
-
-_void_void_null_func:
-	nop
-
-.weak __libc_init
-__libc_init = _void_void_null_func
-
-.weak __init_stdio
-__init_stdio = _void_void_null_func
-
-.weak __stdio_close_all
-__stdio_close_all = _void_void_null_func
-
-.align 2
-.L3:
-	.word environ
-
-
-.data
-	.align 2
-	.global __environ
-	
-__environ:  
-	.long 0
-
-.weak environ
-environ = __environ
-
-
+.text
+	.align 2
+	.global __environ
+	.global _start
+	.global exit
+	.global main
+	.global __libc_init
+	.global __init_stdio
+	.global __stdio_close_all
+	.global _void_void_null_func
+
+	.type   _start,%function
+	.type   exit,%function
+	.type   main,%function
+	.type   __libc_init,%function
+	.type   __init_stdio,%function
+	.type   __stdio_close_all,%function
+	.type   _void_void_null_func,%function
+
+
+
+@ r0 = argc
+@ r1 = argv
+@ r2 = envp
+@ sl = data segment
+
+.text
+_start:
+	@ adjust the data segment base pointer
+	ldr r3,=__data_start
+	sub sl,sl,r3
+	mov r9,sl
+
+	ldr r3, .L3
+	str r2,[r9,r3]
+	
+	/* Tell libc to initialize whatever it needs */
+        bl __libc_init		    
+        bl __init_stdio
+
+	/* pull argc, argv and envp off the stack */
+	ldr r0,[sp, #0]
+	ldr r1,[sp, #4]
+	ldr r2,[sp, #8]
+
+	bl      main
+/*	ldr r0,=0  */
+	bl      exit
+
+_void_void_null_func:
+	nop
+
+.weak __libc_init
+__libc_init = _void_void_null_func
+
+.weak __init_stdio
+__init_stdio = _void_void_null_func
+
+.weak __stdio_close_all
+__stdio_close_all = _void_void_null_func
+
+.align 2
+.L3:
+	.word environ
+
+
+.data
+	.align 2
+	.global __environ
+	
+__environ:  
+	.long 0
+
+.weak environ
+environ = __environ
+
+