[src/trunk]: src/tests/lib/libc/sys Revert i386_regs_gp_read as it fails on n...

[mgorny <mgorny%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/326598a360e6
branches:  trunk
changeset: 456359:326598a360e6
user:      mgorny <mgorny%NetBSD.org@localhost>
date:      Sun May 05 15:05:22 2019 +0000

description:
Revert i386_regs_gp_read as it fails on non-MMX systems.

diffstat:

 tests/lib/libc/sys/t_ptrace_i386_wait.h |  93 +--------------------------------
 1 files changed, 2 insertions(+), 91 deletions(-)

diffs (108 lines):

diff -r b10c2e647d61 -r 326598a360e6 tests/lib/libc/sys/t_ptrace_i386_wait.h
--- a/tests/lib/libc/sys/t_ptrace_i386_wait.h   Sun May 05 14:59:06 2019 +0000
+++ b/tests/lib/libc/sys/t_ptrace_i386_wait.h   Sun May 05 15:05:22 2019 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: t_ptrace_i386_wait.h,v 1.4 2019/05/05 10:04:11 mgorny Exp $    */
+/*     $NetBSD: t_ptrace_i386_wait.h,v 1.5 2019/05/05 15:05:22 mgorny Exp $    */
 
 /*-
  * Copyright (c) 2016, 2017, 2018, 2019 The NetBSD Foundation, Inc.
@@ -100,97 +100,8 @@
        DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
        TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
 }
-
-ATF_TC(i386_regs_gp_read);
-ATF_TC_HEAD(i386_regs_gp_read, tc)
-{
-       atf_tc_set_md_var(tc, "descr",
-               "Set general-purpose reg values from debugged program and read "
-               "them via PT_GETREGS, comparing values against expected.");
-}
-
-ATF_TC_BODY(i386_regs_gp_read, tc)
-{
-       const int exitval = 5;
-       const int sigval = SIGTRAP;
-       pid_t child, wpid;
-#if defined(TWAIT_HAVE_STATUS)
-       int status;
-#endif
-       struct reg gpr;
-
-       const uint32_t eax = 0x00010203;
-       const uint32_t ebx = 0x10111213;
-       const uint32_t ecx = 0x20212223;
-       const uint32_t edx = 0x30313233;
-       const uint32_t esi = 0x40414243;
-       const uint32_t edi = 0x50515253;
-       const uint32_t esp = 0x60616263;
-       const uint32_t ebp = 0x70717273;
-
-       DPRINTF("Before forking process PID=%d\n", getpid());
-       SYSCALL_REQUIRE((child = fork()) != -1);
-       if (child == 0) {
-               DPRINTF("Before calling PT_TRACE_ME from child %d\n", getpid());
-               FORKEE_ASSERT(ptrace(PT_TRACE_ME, 0, NULL, 0) != -1);
-
-               DPRINTF("Before running assembly from child\n");
-
-               __asm__ __volatile__(
-                       /* ebp & ebp are a bit tricky, we must not clobber them */
-                       "movd    %%esp, %%mm0\n\t"
-                       "movd    %%ebp, %%mm1\n\t"
-                       "movd    %6, %%esp\n\t"
-                       "movd    %7, %%ebp\n\t"
-                       "\n\t"
-                       "int3\n\t"
-                       "\n\t"
-                       "movd    %%mm0, %%esp\n\t"
-                       "movd    %%mm1, %%ebp\n\t"
-                       :
-                       : "a"(eax), "b"(ebx), "c"(ecx), "d"(edx), "S"(esi), "D"(edi),
-                         "y"(esp), "y"(ebp)
-                       : "%mm0", "%mm1"
-               );
-
-               DPRINTF("Before exiting of the child process\n");
-               _exit(exitval);
-       }
-       DPRINTF("Parent process PID=%d, child's PID=%d\n", getpid(), child);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
-
-       validate_status_stopped(status, sigval);
-
-       DPRINTF("Call GETREGS for the child process\n");
-       SYSCALL_REQUIRE(ptrace(PT_GETREGS, child, &gpr, 0) != -1);
-
-       ATF_CHECK_EQ((uint32_t)gpr.r_eax, eax);
-       ATF_CHECK_EQ((uint32_t)gpr.r_ebx, ebx);
-       ATF_CHECK_EQ((uint32_t)gpr.r_ecx, ecx);
-       ATF_CHECK_EQ((uint32_t)gpr.r_edx, edx);
-       ATF_CHECK_EQ((uint32_t)gpr.r_esi, esi);
-       ATF_CHECK_EQ((uint32_t)gpr.r_edi, edi);
-       ATF_CHECK_EQ((uint32_t)gpr.r_esp, esp);
-       ATF_CHECK_EQ((uint32_t)gpr.r_ebp, ebp);
-
-       DPRINTF("Before resuming the child process where it left off and "
-           "without signal to be sent\n");
-       SYSCALL_REQUIRE(ptrace(PT_CONTINUE, child, (void *)1, 0) != -1);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_SUCCESS(wpid = TWAIT_GENERIC(child, &status, 0), child);
-
-       validate_status_exited(status, exitval);
-
-       DPRINTF("Before calling %s() for the child\n", TWAIT_FNAME);
-       TWAIT_REQUIRE_FAILURE(ECHILD, wpid = TWAIT_GENERIC(child, &status, 0));
-}
-
 #define ATF_TP_ADD_TCS_PTRACE_WAIT_I386() \
-       ATF_TP_ADD_TC_HAVE_GPREGS(tp, i386_regs1); \
-       ATF_TP_ADD_TC_HAVE_GPREGS(tp, i386_regs_gp_read);
+       ATF_TP_ADD_TC_HAVE_GPREGS(tp, i386_regs1);
 #else
 #define ATF_TP_ADD_TCS_PTRACE_WAIT_I386()
 #endif