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| author | David S. Miller <davem@davemloft.net> | 2005-07-11 03:55:48 +0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2005-07-11 03:55:48 +0400 |
| commit | 8d8a64796fdee4e20355c6c12c9cc630a2e7494d (patch) | |
| tree | dc0d548a520bdad1e2aa7752153bf7c787fc04bd /arch/sparc64 | |
| parent | bb49bcda15f1bc1a52c7f887db278447f332eaa7 (diff) | |
| download | linux-8d8a64796fdee4e20355c6c12c9cc630a2e7494d.tar.xz | |
[SPARC64]: Pass regs and entry/exit boolean to syscall_trace()
Also fix a bug in 32-bit syscall tracing. We forgot to update
this code when we moved over to the convention that all 32-bit
syscall arguments are zero extended by default.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'arch/sparc64')
| -rw-r--r-- | arch/sparc64/kernel/entry.S | 14 | ||||
| -rw-r--r-- | arch/sparc64/kernel/ptrace.c | 4 | ||||
| -rw-r--r-- | arch/sparc64/kernel/sparc64_ksyms.c | 2 | ||||
| -rw-r--r-- | arch/sparc64/solaris/entry64.S | 7 |
4 files changed, 17 insertions, 10 deletions
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S index acc323eef535..8b7ed760c50e 100644 --- a/arch/sparc64/kernel/entry.S +++ b/arch/sparc64/kernel/entry.S @@ -1555,8 +1555,9 @@ sys_ptrace: add %sp, PTREGS_OFF, %o0 andcc %l5, (_TIF_SYSCALL_TRACE|_TIF_SECCOMP), %g0 be,pt %icc, rtrap clr %l6 + add %sp, PTREGS_OFF, %o0 call syscall_trace - nop + mov 1, %o1 ba,pt %xcc, rtrap clr %l6 @@ -1640,18 +1641,20 @@ linux_sparc_ni_syscall: or %l7, %lo(sys_ni_syscall), %l7 linux_syscall_trace32: + add %sp, PTREGS_OFF, %o0 call syscall_trace - nop + clr %o1 srl %i0, 0, %o0 - mov %i4, %o4 + srl %i4, 0, %o4 srl %i1, 0, %o1 srl %i2, 0, %o2 b,pt %xcc, 2f srl %i3, 0, %o3 linux_syscall_trace: + add %sp, PTREGS_OFF, %o0 call syscall_trace - nop + clr %o1 mov %i0, %o0 mov %i1, %o1 mov %i2, %o2 @@ -1755,8 +1758,9 @@ ret_sys_call: b,pt %xcc, rtrap stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC] linux_syscall_trace2: + add %sp, PTREGS_OFF, %o0 call syscall_trace - nop + mov 1, %o1 stx %l1, [%sp + PTREGS_OFF + PT_V9_TPC] ba,pt %xcc, rtrap stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC] diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c index 5abf596f5964..c57dc9ea731b 100644 --- a/arch/sparc64/kernel/ptrace.c +++ b/arch/sparc64/kernel/ptrace.c @@ -628,10 +628,10 @@ out: unlock_kernel(); } -asmlinkage void syscall_trace(void) +asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p) { /* do the secure computing check first */ - secure_computing(current_thread_info()->kregs->u_regs[UREG_G1]); + secure_computing(regs->u_regs[UREG_G1]); if (!test_thread_flag(TIF_SYSCALL_TRACE)) return; diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c index 56cd96f4a5cd..9202d925a9ce 100644 --- a/arch/sparc64/kernel/sparc64_ksyms.c +++ b/arch/sparc64/kernel/sparc64_ksyms.c @@ -79,7 +79,7 @@ extern void linux_sparc_syscall(void); extern void rtrap(void); extern void show_regs(struct pt_regs *); extern void solaris_syscall(void); -extern void syscall_trace(void); +extern void syscall_trace(struct pt_regs *, int); extern u32 sunos_sys_table[], sys_call_table32[]; extern void tl0_solaris(void); extern void sys_sigsuspend(void); diff --git a/arch/sparc64/solaris/entry64.S b/arch/sparc64/solaris/entry64.S index 0cc9dad75c5e..4b6ae583c0a3 100644 --- a/arch/sparc64/solaris/entry64.S +++ b/arch/sparc64/solaris/entry64.S @@ -24,8 +24,9 @@ .text solaris_syscall_trace: + add %sp, PTREGS_OFF, %o0 call syscall_trace - nop + mov 0, %o1 srl %i0, 0, %o0 mov %i4, %o4 srl %i1, 0, %o1 @@ -159,8 +160,10 @@ ret_from_solaris: stx %l2, [%sp + PTREGS_OFF + PT_V9_TNPC] !npc = npc+4 solaris_syscall_trace2: + add %sp, PTREGS_OFF, %o0 call syscall_trace - add %l1, 0x4, %l2 /* npc = npc+4 */ + mov 1, %o1 + add %l1, 0x4, %l2 /* npc = npc+4 */ andcc %l1, 1, %g0 bne,pn %icc, 2b nop |