[ARM] 3524/1: ARM EABI: more 64-bit aligned stack fixes
Patch from Nicolas Pitre
Assembly code that calls C code must ensure the C code sees a 64-bit
aligned stack pointer.
Signed-off-by: Nicolas Pitre <nico@cam.org>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/lib/backtrace.S b/arch/arm/lib/backtrace.S
index 3bdc8c6..16153c8 100644
--- a/arch/arm/lib/backtrace.S
+++ b/arch/arm/lib/backtrace.S
@@ -122,7 +122,7 @@
#define reg r5
#define stack r6
-.Ldumpstm: stmfd sp!, {instr, reg, stack, r7, lr}
+.Ldumpstm: stmfd sp!, {instr, reg, stack, r7, r8, lr}
mov stack, r0
mov instr, r1
mov reg, #9
@@ -145,7 +145,7 @@
adrne r0, .Lcr
blne printk
mov r0, stack
- LOADREGS(fd, sp!, {instr, reg, stack, r7, pc})
+ LOADREGS(fd, sp!, {instr, reg, stack, r7, r8, pc})
.Lfp: .asciz " r%d = %08X%c"
.Lcr: .asciz "\n"