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signal/mips: switch mips to generic siginfo 

... having taught the latter that si_errno and si_code might be
swapped.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
This commit is contained in:
Al Viro 2017-07-09 17:14:25 -04:00 committed by Eric W. Biederman
parent 30073566ca
commit 09d1415d24
2 changed files with 6 additions and 85 deletions
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86
arch/mips/include/uapi/asm/siginfo.h
View File

@ -14,8 +14,6 @@
#define __ARCH_SIGEV_PREAMBLE_SIZE (sizeof(long) + 2*sizeof(int))
#undef __ARCH_SI_TRAPNO /* exception code needs to fill this ... */
#define HAVE_ARCH_SIGINFO_T
/*
* Careful to keep union _sifields from shifting ...
*/
@ -27,92 +25,10 @@
#error _MIPS_SZLONG neither 32 nor 64
#endif
#define __ARCH_SIGSYS
#define __ARCH_HAS_SWAPPED_SIGINFO
#include <asm-generic/siginfo.h>
/* We can't use generic siginfo_t, because our si_code and si_errno are swapped */
typedef struct siginfo {
int si_signo;
int si_code;
int si_errno;
int __pad0[SI_MAX_SIZE / sizeof(int) - SI_PAD_SIZE - 3];
union {
int _pad[SI_PAD_SIZE];
/* kill() */
struct {
__kernel_pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
} _kill;
/* POSIX.1b timers */
struct {
__kernel_timer_t _tid; /* timer id */
int _overrun; /* overrun count */
char _pad[sizeof( __ARCH_SI_UID_T) - sizeof(int)];
sigval_t _sigval; /* same as below */
int _sys_private; /* not to be passed to user */
} _timer;
/* POSIX.1b signals */
struct {
__kernel_pid_t _pid; /* sender's pid */
__ARCH_SI_UID_T _uid; /* sender's uid */
sigval_t _sigval;
} _rt;
/* SIGCHLD */
struct {
__kernel_pid_t _pid; /* which child */
__ARCH_SI_UID_T _uid; /* sender's uid */
int _status; /* exit code */
__kernel_clock_t _utime;
__kernel_clock_t _stime;
} _sigchld;
/* IRIX SIGCHLD */
struct {
__kernel_pid_t _pid; /* which child */
__kernel_clock_t _utime;
int _status; /* exit code */
__kernel_clock_t _stime;
} _irix_sigchld;
/* SIGILL, SIGFPE, SIGSEGV, SIGBUS */
struct {
void __user *_addr; /* faulting insn/memory ref. */
#ifdef __ARCH_SI_TRAPNO
int _trapno; /* TRAP # which caused the signal */
#endif
short _addr_lsb;
union {
/* used when si_code=SEGV_BNDERR */
struct {
void __user *_lower;
void __user *_upper;
} _addr_bnd;
/* used when si_code=SEGV_PKUERR */
__u32 _pkey;
};
} _sigfault;
/* SIGPOLL, SIGXFSZ (To do ...) */
struct {
__ARCH_SI_BAND_T _band; /* POLL_IN, POLL_OUT, POLL_MSG */
int _fd;
} _sigpoll;
/* SIGSYS */
struct {
void __user *_call_addr; /* calling user insn */
int _syscall; /* triggering system call number */
unsigned int _arch; /* AUDIT_ARCH_* of syscall */
} _sigsys;
} _sifields;
} siginfo_t;
/*
* si_code values
* Again these have been chosen to be IRIX compatible.

5
include/uapi/asm-generic/siginfo.h
View File

@ -48,8 +48,13 @@ typedef union sigval {
typedef struct siginfo {
int si_signo;
#ifndef __ARCH_HAS_SWAPPED_SIGINFO
int si_errno;
int si_code;
#else
int si_code;
int si_errno;
#endif
union {
int _pad[SI_PAD_SIZE];