xen/x86-extra-trap-info.patch

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--- a/xen/arch/x86/x86_64/entry.S
+++ b/xen/arch/x86/x86_64/entry.S
@@ -427,22 +427,35 @@ UNLIKELY_END(bounce_failsafe)
jz domain_crash_synchronous
movq %rax,UREGS_rip+8(%rsp)
ret
- _ASM_EXTABLE(.Lft2, domain_crash_synchronous)
- _ASM_EXTABLE(.Lft3, domain_crash_synchronous)
- _ASM_EXTABLE(.Lft4, domain_crash_synchronous)
- _ASM_EXTABLE(.Lft5, domain_crash_synchronous)
- _ASM_EXTABLE(.Lft6, domain_crash_synchronous)
- _ASM_EXTABLE(.Lft7, domain_crash_synchronous)
- _ASM_EXTABLE(.Lft8, domain_crash_synchronous)
- _ASM_EXTABLE(.Lft9, domain_crash_synchronous)
- _ASM_EXTABLE(.Lft10, domain_crash_synchronous)
- _ASM_EXTABLE(.Lft11, domain_crash_synchronous)
- _ASM_EXTABLE(.Lft12, domain_crash_synchronous)
- _ASM_EXTABLE(.Lft13, domain_crash_synchronous)
+ _ASM_EXTABLE(.Lft2, domain_crash_page_fault_32)
+ _ASM_EXTABLE(.Lft3, domain_crash_page_fault_24)
+ _ASM_EXTABLE(.Lft4, domain_crash_page_fault_8)
+ _ASM_EXTABLE(.Lft5, domain_crash_page_fault_16)
+ _ASM_EXTABLE(.Lft6, domain_crash_page_fault)
+ _ASM_EXTABLE(.Lft7, domain_crash_page_fault)
+ _ASM_EXTABLE(.Lft8, domain_crash_page_fault_24)
+ _ASM_EXTABLE(.Lft9, domain_crash_page_fault_16)
+ _ASM_EXTABLE(.Lft10, domain_crash_page_fault_8)
+ _ASM_EXTABLE(.Lft11, domain_crash_page_fault)
+ _ASM_EXTABLE(.Lft12, domain_crash_page_fault_8)
+ _ASM_EXTABLE(.Lft13, domain_crash_page_fault)
+.section .rodata, "a", @progbits
domain_crash_synchronous_string:
.asciz "domain_crash_sync called from entry.S\n"
+.previous
+domain_crash_page_fault_32:
+ addq $8,%rsi
+domain_crash_page_fault_24:
+ addq $8,%rsi
+domain_crash_page_fault_16:
+ addq $8,%rsi
+domain_crash_page_fault_8:
+ addq $8,%rsi
+domain_crash_page_fault:
+ movq %rsi,%rdi
+ call show_page_walk
ENTRY(domain_crash_synchronous)
# Get out of the guest-save area of the stack.
GET_CPUINFO_FIELD(CPUINFO_guest_cpu_user_regs,%rax)