diff options
| author | Helge Deller <deller@gmx.de> | 2018-01-13 19:32:43 -0600 |
|---|---|---|
| committer | Helge Deller <deller@gmx.de> | 2018-04-11 11:40:35 +0200 |
| commit | 75abf64287cab73546382a4fa7fa2f4e3516efeb (patch) | |
| tree | 48c47c25880b404b21f2dcf05594858d766be48e | |
| parent | b284d4d5a6785f8cd07eda2646a95782373cd01e (diff) | |
| download | op-kernel-dev-75abf64287cab73546382a4fa7fa2f4e3516efeb.zip op-kernel-dev-75abf64287cab73546382a4fa7fa2f4e3516efeb.tar.gz | |
parisc/signal: Add FPE_CONDTRAP for conditional trap handling
Posix and common sense requires that SI_USER not be a signal specific
si_code. Thus add a new FPE_CONDTRAP si_code for conditional traps.
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
| -rw-r--r-- | arch/parisc/include/uapi/asm/siginfo.h | 7 | ||||
| -rw-r--r-- | arch/parisc/kernel/traps.c | 7 | ||||
| -rw-r--r-- | arch/x86/kernel/signal_compat.c | 2 | ||||
| -rw-r--r-- | include/uapi/asm-generic/siginfo.h | 3 |
4 files changed, 7 insertions, 12 deletions
diff --git a/arch/parisc/include/uapi/asm/siginfo.h b/arch/parisc/include/uapi/asm/siginfo.h index be40331..4a1062e 100644 --- a/arch/parisc/include/uapi/asm/siginfo.h +++ b/arch/parisc/include/uapi/asm/siginfo.h @@ -8,11 +8,4 @@ #include <asm-generic/siginfo.h> -/* - * SIGFPE si_codes - */ -#ifdef __KERNEL__ -#define FPE_FIXME 0 /* Broken dup of SI_USER */ -#endif /* __KERNEL__ */ - #endif diff --git a/arch/parisc/kernel/traps.c b/arch/parisc/kernel/traps.c index c919e6c..68e671a 100644 --- a/arch/parisc/kernel/traps.c +++ b/arch/parisc/kernel/traps.c @@ -627,9 +627,10 @@ void notrace handle_interruption(int code, struct pt_regs *regs) on condition */ if(user_mode(regs)){ si.si_signo = SIGFPE; - /* Set to zero, and let the userspace app figure it out from - the insn pointed to by si_addr */ - si.si_code = FPE_FIXME; + /* Let userspace app figure it out from the insn pointed + * to by si_addr. + */ + si.si_code = FPE_CONDTRAP; si.si_addr = (void __user *) regs->iaoq[0]; force_sig_info(SIGFPE, &si, current); return; diff --git a/arch/x86/kernel/signal_compat.c b/arch/x86/kernel/signal_compat.c index df92605..14c057f 100644 --- a/arch/x86/kernel/signal_compat.c +++ b/arch/x86/kernel/signal_compat.c @@ -26,7 +26,7 @@ static inline void signal_compat_build_tests(void) * new fields are handled in copy_siginfo_to_user32()! */ BUILD_BUG_ON(NSIGILL != 11); - BUILD_BUG_ON(NSIGFPE != 14); + BUILD_BUG_ON(NSIGFPE != 15); BUILD_BUG_ON(NSIGSEGV != 7); BUILD_BUG_ON(NSIGBUS != 5); BUILD_BUG_ON(NSIGTRAP != 4); diff --git a/include/uapi/asm-generic/siginfo.h b/include/uapi/asm-generic/siginfo.h index 544208f..558b902 100644 --- a/include/uapi/asm-generic/siginfo.h +++ b/include/uapi/asm-generic/siginfo.h @@ -211,7 +211,8 @@ typedef struct siginfo { #define __FPE_INVASC 12 /* invalid ASCII digit */ #define __FPE_INVDEC 13 /* invalid decimal digit */ #define FPE_FLTUNK 14 /* undiagnosed floating-point exception */ -#define NSIGFPE 14 +#define FPE_CONDTRAP 15 /* trap on condition */ +#define NSIGFPE 15 /* * SIGSEGV si_codes |
