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/linux-4.4.14/tools/testing/selftests/x86/
Dsigreturn.c268 static volatile unsigned short sig_cs, sig_ss; variable
323 *ssptr(ctx) = sig_ss; in sigusr1()
351 if (asm_ss != sig_ss && sig == SIGTRAP) { in sigtrap()
427 sig_ss = force_ss; in test_valid_sigreturn()
435 sig_ss = data16_sel; in test_valid_sigreturn()
437 asm volatile ("mov %%ss,%0" : "=r" (sig_ss)); in test_valid_sigreturn()
444 cs_bits, sig_cs, use_16bit_ss ? 16 : 32, sig_ss, in test_valid_sigreturn()
445 (sig_ss & 4) ? "" : ", GDT"); in test_valid_sigreturn()
537 sig_ss = ss; in test_bad_iret()
540 cs_bits, sig_cs, sig_ss); in test_bad_iret()