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/* Tests register values retreived by getcontext() for mips o32.
Copyright (C) 2017-2018 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, see
<http://www.gnu.org/licenses/>. */
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <ucontext.h>
#if !defined __mips__ || _MIPS_SIM != _ABIO32
# error "MIPS O32 specific test."
#endif
#define SP_REG 29
static int
do_test (void)
{
ucontext_t ctx;
memset (&ctx, 0, sizeof (ctx));
int status = getcontext (&ctx);
if (status)
{
printf ("\ngetcontext() failed, errno: %d.\n", errno);
return 1;
}
if (ctx.uc_mcontext.gregs[SP_REG] == 0
|| ctx.uc_mcontext.gregs[SP_REG] > 0xffffffff)
{
printf ("\nError getcontext(): invalid $sp = 0x%llx.\n",
ctx.uc_mcontext.gregs[SP_REG]);
return 1;
}
if (ctx.uc_mcontext.pc == 0
|| ctx.uc_mcontext.pc > 0xffffffff)
{
printf ("\nError getcontext(): invalid ctx.uc_mcontext.pc = 0x%llx.\n",
ctx.uc_mcontext.pc);
return 1;
}
return 0;
}
#include <support/test-driver.c>
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