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[Pal/Linux-SGX] Improve debug message on fatal exception in PAL code

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This commit is contained in:
Dmitrii Kuvaiskii
2020-07-20 22:58:09 +00:00
parent 534d42834f
commit bedddae05b
1 changed files with 12 additions and 5 deletions
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Pal/src/host/Linux-SGX/db_exception.c
+12 -5
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@@ -214,15 +214,22 @@ void _DkExceptionHandler(unsigned int exit_info, sgx_cpu_context_t* uc,
event_num != PAL_EVENT_QUIT &&
event_num != PAL_EVENT_SUSPEND &&
event_num != PAL_EVENT_RESUME) {
printf("*** Unexpected AEX vector occurred inside PAL! ***\n"
"(vector = 0x%x, type = 0x%x valid = %d, RIP = +0x%08lx)\n"
"rax: 0x%08lx rcx: 0x%08lx rdx: 0x%08lx rbx: 0x%08lx\n"
printf("*** Unexpected exception occurred inside PAL at RIP = +0x%08lx! ***\n",
uc->rip - (uintptr_t)TEXT_START);
if (ei.info.valid) {
/* EXITINFO field: vector = exception number, exit_type = 0x3 for HW / 0x6 for SW */
printf("(SGX HW reported AEX vector 0x%x with exit_type = 0x%x)\n",
ei.info.vector, ei.info.exit_type);
} else {
printf("(untrusted PAL sent PAL event 0x%x)\n", ei.intval);
}
printf("rax: 0x%08lx rcx: 0x%08lx rdx: 0x%08lx rbx: 0x%08lx\n"
"rsp: 0x%08lx rbp: 0x%08lx rsi: 0x%08lx rdi: 0x%08lx\n"
"r8 : 0x%08lx r9 : 0x%08lx r10: 0x%08lx r11: 0x%08lx\n"
"r12: 0x%08lx r13: 0x%08lx r14: 0x%08lx r15: 0x%08lx\n"
"rflags: 0x%08lx rip: 0x%08lx\n",
ei.info.vector, ei.info.exit_type, ei.info.valid,
uc->rip - (uintptr_t)TEXT_START,
uc->rax, uc->rcx, uc->rdx, uc->rbx,
uc->rsp, uc->rbp, uc->rsi, uc->rdi,
uc->r8, uc->r9, uc->r10, uc->r11,