Luca, le sam. 06 janv. 2024 19:41:17 +0100, a ecrit: > Il 29/12/23 15:14, Luca Dariz ha scritto: > > Il 29/12/23 14:44, Samuel Thibault ha scritto: > > > Also, it would be useful to compile the tests with > > > -ftrivial-auto-var-init=pattern so as to fill the structures with random > > > values before making the gnumach calls. > > with this option all tests fail on the first mig-generated stub entry, which > is task_get_special_port(), in _start(). Maybe it's related to SSE somehow, > I see a page fault here:
Is $rbp unaligned? (we do want to fix such bug anyway) > (gdb) disassemble task_get_special_port > Dump of assembler code for function task_get_special_port: > 0x0000000000416bc6 <+0>: push %rbp > 0x0000000000416bc7 <+1>: mov %rsp,%rbp > 0x0000000000416bca <+4>: sub $0xa0,%rsp > 0x0000000000416bd1 <+11>: mov %edi,-0x94(%rbp) > 0x0000000000416bd7 <+17>: mov %esi,-0x98(%rbp) > 0x0000000000416bdd <+23>: mov %rdx,-0xa0(%rbp) > 0x0000000000416be4 <+30>: lea -0x60(%rbp),%rax > 0x0000000000416be8 <+34>: movdqa 0x124f0(%rip),%xmm0 # 0x4290e0 > => 0x0000000000416bf0 <+42>: movaps %xmm0,(%rax) > 0x0000000000416bf3 <+45>: movaps %xmm0,0x10(%rax) Samuel
