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Revert i386_regs_gp_read as it fails on non-MMX systems.

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This commit is contained in:
mgorny 2019-05-05 15:05:22 +00:00
parent dfb7cec746
commit b3185a33be
1 changed files with 2 additions and 91 deletions
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93
tests/lib/libc/sys/t_ptrace_i386_wait.h
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@ -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 @@ ATF_TC_BODY(i386_regs1, tc)
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