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Diffstat (limited to 'include/asm-sparc64')
-rw-r--r--include/asm-sparc64/mman.h5
-rw-r--r--include/asm-sparc64/psrcompat.h2
-rw-r--r--include/asm-sparc64/pstate.h1
-rw-r--r--include/asm-sparc64/ptrace.h11
-rw-r--r--include/asm-sparc64/signal.h8
-rw-r--r--include/asm-sparc64/thread_info.h28
-rw-r--r--include/asm-sparc64/ttable.h7
7 files changed, 39 insertions, 23 deletions
diff --git a/include/asm-sparc64/mman.h b/include/asm-sparc64/mman.h
index e584563b56eb..625be4d61baf 100644
--- a/include/asm-sparc64/mman.h
+++ b/include/asm-sparc64/mman.h
@@ -24,9 +24,8 @@
#ifdef __KERNEL__
#ifndef __ASSEMBLY__
-#define arch_mmap_check sparc64_mmap_check
-int sparc64_mmap_check(unsigned long addr, unsigned long len,
- unsigned long flags);
+#define arch_mmap_check(addr,len,flags) sparc64_mmap_check(addr,len)
+int sparc64_mmap_check(unsigned long addr, unsigned long len);
#endif
#endif
diff --git a/include/asm-sparc64/psrcompat.h b/include/asm-sparc64/psrcompat.h
index 5590ce6bd076..3614ca04753f 100644
--- a/include/asm-sparc64/psrcompat.h
+++ b/include/asm-sparc64/psrcompat.h
@@ -12,6 +12,7 @@
#define PSR_PIL 0x00000f00 /* processor interrupt level */
#define PSR_EF 0x00001000 /* enable floating point */
#define PSR_EC 0x00002000 /* enable co-processor */
+#define PSR_SYSCALL 0x00004000 /* inside of a syscall */
#define PSR_LE 0x00008000 /* SuperSparcII little-endian */
#define PSR_ICC 0x00f00000 /* integer condition codes */
#define PSR_C 0x00100000 /* carry bit */
@@ -30,6 +31,7 @@ static inline unsigned int tstate_to_psr(unsigned long tstate)
PSR_S |
((tstate & TSTATE_ICC) >> 12) |
((tstate & TSTATE_XCC) >> 20) |
+ ((tstate & TSTATE_SYSCALL) ? PSR_SYSCALL : 0) |
PSR_V8PLUS);
}
diff --git a/include/asm-sparc64/pstate.h b/include/asm-sparc64/pstate.h
index f3c45484c636..949aebaf991d 100644
--- a/include/asm-sparc64/pstate.h
+++ b/include/asm-sparc64/pstate.h
@@ -62,6 +62,7 @@
#define TSTATE_PRIV _AC(0x0000000000000400,UL) /* Privilege. */
#define TSTATE_IE _AC(0x0000000000000200,UL) /* Interrupt Enable. */
#define TSTATE_AG _AC(0x0000000000000100,UL) /* Alternate Globals.*/
+#define TSTATE_SYSCALL _AC(0x0000000000000020,UL) /* in syscall trap */
#define TSTATE_CWP _AC(0x000000000000001f,UL) /* Curr Win-Pointer. */
/* Floating-Point Registers State Register.
diff --git a/include/asm-sparc64/ptrace.h b/include/asm-sparc64/ptrace.h
index 714b81956f32..90972a5ada59 100644
--- a/include/asm-sparc64/ptrace.h
+++ b/include/asm-sparc64/ptrace.h
@@ -42,16 +42,14 @@ static inline int pt_regs_trap_type(struct pt_regs *regs)
return regs->magic & 0x1ff;
}
-static inline int pt_regs_clear_trap_type(struct pt_regs *regs)
+static inline bool pt_regs_is_syscall(struct pt_regs *regs)
{
- return regs->magic &= ~0x1ff;
+ return (regs->tstate & TSTATE_SYSCALL);
}
-static inline bool pt_regs_is_syscall(struct pt_regs *regs)
+static inline bool pt_regs_clear_syscall(struct pt_regs *regs)
{
- int tt = pt_regs_trap_type(regs);
-
- return (tt == 0x110 || tt == 0x111 || tt == 0x16d);
+ return (regs->tstate &= ~TSTATE_SYSCALL);
}
struct pt_regs32 {
@@ -298,6 +296,7 @@ extern void __show_regs(struct pt_regs *);
#define SF_XXARG 0x5c
/* Stuff for the ptrace system call */
+#define PTRACE_SPARC_DETACH 11
#define PTRACE_GETREGS 12
#define PTRACE_SETREGS 13
#define PTRACE_GETFPREGS 14
diff --git a/include/asm-sparc64/signal.h b/include/asm-sparc64/signal.h
index fa6f467389db..c49f32d38707 100644
--- a/include/asm-sparc64/signal.h
+++ b/include/asm-sparc64/signal.h
@@ -186,13 +186,7 @@ struct k_sigaction {
void __user *ka_restorer;
};
-struct signal_deliver_cookie {
- int restart_syscall;
- unsigned long orig_i0;
-};
-
-struct pt_regs;
-extern void ptrace_signal_deliver(struct pt_regs *regs, void *cookie);
+#define ptrace_signal_deliver(regs, cookie) do { } while (0)
#endif /* !(__KERNEL__) */
diff --git a/include/asm-sparc64/thread_info.h b/include/asm-sparc64/thread_info.h
index 71e42d1a80d9..e5873e385306 100644
--- a/include/asm-sparc64/thread_info.h
+++ b/include/asm-sparc64/thread_info.h
@@ -38,7 +38,7 @@ struct thread_info {
struct task_struct *task;
unsigned long flags;
__u8 fpsaved[7];
- __u8 pad;
+ __u8 status;
unsigned long ksp;
/* D$ line 2 */
@@ -217,7 +217,7 @@ register struct thread_info *current_thread_info_reg asm("g6");
* nop
*/
#define TIF_SYSCALL_TRACE 0 /* syscall trace active */
-#define TIF_RESTORE_SIGMASK 1 /* restore signal mask in do_signal() */
+/* flags bit 1 is available */
#define TIF_SIGPENDING 2 /* signal pending */
#define TIF_NEED_RESCHED 3 /* rescheduling necessary */
#define TIF_PERFCTR 4 /* performance counters active */
@@ -244,14 +244,34 @@ register struct thread_info *current_thread_info_reg asm("g6");
#define _TIF_32BIT (1<<TIF_32BIT)
#define _TIF_SECCOMP (1<<TIF_SECCOMP)
#define _TIF_SYSCALL_AUDIT (1<<TIF_SYSCALL_AUDIT)
-#define _TIF_RESTORE_SIGMASK (1<<TIF_RESTORE_SIGMASK)
#define _TIF_ABI_PENDING (1<<TIF_ABI_PENDING)
#define _TIF_POLLING_NRFLAG (1<<TIF_POLLING_NRFLAG)
#define _TIF_USER_WORK_MASK ((0xff << TI_FLAG_WSAVED_SHIFT) | \
- (_TIF_SIGPENDING | _TIF_RESTORE_SIGMASK | \
+ (_TIF_SIGPENDING | \
_TIF_NEED_RESCHED | _TIF_PERFCTR))
+/*
+ * Thread-synchronous status.
+ *
+ * This is different from the flags in that nobody else
+ * ever touches our thread-synchronous status, so we don't
+ * have to worry about atomic accesses.
+ *
+ * Note that there are only 8 bits available.
+ */
+#define TS_RESTORE_SIGMASK 0x0001 /* restore signal mask in do_signal() */
+
+#ifndef __ASSEMBLY__
+#define HAVE_SET_RESTORE_SIGMASK 1
+static inline void set_restore_sigmask(void)
+{
+ struct thread_info *ti = current_thread_info();
+ ti->status |= TS_RESTORE_SIGMASK;
+ set_bit(TIF_SIGPENDING, &ti->flags);
+}
+#endif /* !__ASSEMBLY__ */
+
#endif /* __KERNEL__ */
#endif /* _ASM_THREAD_INFO_H */
diff --git a/include/asm-sparc64/ttable.h b/include/asm-sparc64/ttable.h
index 1b55538b944f..52d67d394107 100644
--- a/include/asm-sparc64/ttable.h
+++ b/include/asm-sparc64/ttable.h
@@ -91,13 +91,14 @@
nop;
#define SYSCALL_TRAP(routine, systbl) \
+ rdpr %pil, %g2; \
+ mov TSTATE_SYSCALL, %g3; \
sethi %hi(109f), %g7; \
- ba,pt %xcc, etrap; \
+ ba,pt %xcc, etrap_syscall; \
109: or %g7, %lo(109b), %g7; \
sethi %hi(systbl), %l7; \
ba,pt %xcc, routine; \
- or %l7, %lo(systbl), %l7; \
- nop; nop;
+ or %l7, %lo(systbl), %l7;
#define TRAP_UTRAP(handler,lvl) \
mov handler, %g3; \
generated by cgit v1.2.3 (git 2.0.4) at 2024-10-06 05:15:10 +0000