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signal/ia64: Use force_sig_fault where appropriate

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Acked-by: Tony Luck <tony.luck@intel.com>
Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com>
This commit is contained in:
Eric W. Biederman
2018-04-17 17:39:29 -05:00
parent b92adb74ad
commit a618a2754c
4 changed files with 49 additions and 150 deletions
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31
arch/ia64/kernel/brl_emu.c
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@@ -58,11 +58,9 @@ ia64_emulate_brl (struct pt_regs *regs, unsigned long ar_ec)
unsigned long bundle[2];
unsigned long opcode, btype, qp, offset, cpl;
unsigned long next_ip;
struct siginfo siginfo;
struct illegal_op_return rv;
long tmp_taken, unimplemented_address;
clear_siginfo(&siginfo);
rv.fkt = (unsigned long) -1;
/*
@@ -198,39 +196,22 @@ ia64_emulate_brl (struct pt_regs *regs, unsigned long ar_ec)
* The target address contains unimplemented bits.
*/
printk(KERN_DEBUG "Woah! Unimplemented Instruction Address Trap!\n");
siginfo.si_signo = SIGILL;
siginfo.si_errno = 0;
siginfo.si_flags = 0;
siginfo.si_isr = 0;
siginfo.si_imm = 0;
siginfo.si_code = ILL_BADIADDR;
force_sig_info(SIGILL, &siginfo, current);
force_sig_fault(SIGILL, ILL_BADIADDR, (void __user *)NULL,
0, 0, 0, current);
} else if (ia64_psr(regs)->tb) {
/*
* Branch Tracing is enabled.
* Force a taken branch signal.
*/
siginfo.si_signo = SIGTRAP;
siginfo.si_errno = 0;
siginfo.si_code = TRAP_BRANCH;
siginfo.si_flags = 0;
siginfo.si_isr = 0;
siginfo.si_addr = 0;
siginfo.si_imm = 0;
force_sig_info(SIGTRAP, &siginfo, current);
force_sig_fault(SIGTRAP, TRAP_BRANCH, (void __user *)NULL,
0, 0, 0, current);
} else if (ia64_psr(regs)->ss) {
/*
* Single Step is enabled.
* Force a trace signal.
*/
siginfo.si_signo = SIGTRAP;
siginfo.si_errno = 0;
siginfo.si_code = TRAP_TRACE;
siginfo.si_flags = 0;
siginfo.si_isr = 0;
siginfo.si_addr = 0;
siginfo.si_imm = 0;
force_sig_info(SIGTRAP, &siginfo, current);
force_sig_fault(SIGTRAP, TRAP_TRACE, (void __user *)NULL,
0, 0, 0, current);
}
return rv;
}