[Xen-devel] [PATCH] xen/arm: Implement 32-bit dump stack

[Julien Grall <julien.grall@xxxxxxxxxx>]

Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
---
 xen/arch/arm/traps.c | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/xen/arch/arm/traps.c b/xen/arch/arm/traps.c
index 4c0fc32..287dd7b 100644
--- a/xen/arch/arm/traps.c
+++ b/xen/arch/arm/traps.c
@@ -629,12 +629,20 @@ static void show_guest_stack(struct vcpu *v, struct 
cpu_user_regs *regs)
         return;
 
     case PSR_MODE_FIQ:
+        sp = regs->sp_fiq;
+        break;
     case PSR_MODE_IRQ:
+        sp = regs->sp_irq;
+        break;
     case PSR_MODE_SVC:
+        sp = regs->sp_svc;
+        break;
     case PSR_MODE_ABT:
+        sp = regs->sp_abt;
+        break;
     case PSR_MODE_UND:
-        printk("No stack trace for 32-bit guest kernel-mode\n");
-        return;
+        sp = regs->sp_und;
+        break;
 
 #ifdef CONFIG_ARM_64
     case PSR_MODE_EL1t:
-- 
1.8.3.1


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