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Diffstat (limited to 'arch/sparc64')
-rw-r--r--arch/sparc64/Kconfig1
-rw-r--r--arch/sparc64/kernel/compat_audit.c2
-rw-r--r--arch/sparc64/kernel/entry.h3
-rw-r--r--arch/sparc64/kernel/ptrace.c32
-rw-r--r--arch/sparc64/kernel/rtrap.S6
-rw-r--r--arch/sparc64/kernel/signal.c8
-rw-r--r--arch/sparc64/kernel/signal32.c3
-rw-r--r--arch/sparc64/kernel/syscalls.S4
8 files changed, 33 insertions, 26 deletions
diff --git a/arch/sparc64/Kconfig b/arch/sparc64/Kconfig
index 7c88263256a..923a98959fa 100644
--- a/arch/sparc64/Kconfig
+++ b/arch/sparc64/Kconfig
@@ -17,6 +17,7 @@ config SPARC64
select HAVE_LMB
select HAVE_ARCH_KGDB
select USE_GENERIC_SMP_HELPERS if SMP
+ select HAVE_ARCH_TRACEHOOK
config GENERIC_TIME
bool
diff --git a/arch/sparc64/kernel/compat_audit.c b/arch/sparc64/kernel/compat_audit.c
index c1979482aa9..c831b0a4e66 100644
--- a/arch/sparc64/kernel/compat_audit.c
+++ b/arch/sparc64/kernel/compat_audit.c
@@ -1,4 +1,4 @@
-#include <asm-sparc/unistd.h>
+#include <asm/unistd_32.h>
unsigned sparc32_dir_class[] = {
#include <asm-generic/audit_dir_write.h>
diff --git a/arch/sparc64/kernel/entry.h b/arch/sparc64/kernel/entry.h
index 32fbab62085..fc294a29289 100644
--- a/arch/sparc64/kernel/entry.h
+++ b/arch/sparc64/kernel/entry.h
@@ -22,8 +22,7 @@ extern void do_notify_resume(struct pt_regs *regs,
unsigned long orig_i0,
unsigned long thread_info_flags);
-extern asmlinkage void syscall_trace(struct pt_regs *regs,
- int syscall_exit_p);
+extern asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p);
extern void bad_trap_tl1(struct pt_regs *regs, long lvl);
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index f6c9fc92921..bd578cc4856 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -23,6 +23,7 @@
#include <linux/audit.h>
#include <linux/signal.h>
#include <linux/regset.h>
+#include <linux/tracehook.h>
#include <linux/compat.h>
#include <linux/elf.h>
@@ -1049,8 +1050,10 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
return ret;
}
-asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
+asmlinkage int syscall_trace(struct pt_regs *regs, int syscall_exit_p)
{
+ int ret = 0;
+
/* do the secure computing check first */
secure_computing(regs->u_regs[UREG_G1]);
@@ -1064,27 +1067,14 @@ asmlinkage void syscall_trace(struct pt_regs *regs, int syscall_exit_p)
audit_syscall_exit(result, regs->u_regs[UREG_I0]);
}
- if (!(current->ptrace & PT_PTRACED))
- goto out;
-
- if (!test_thread_flag(TIF_SYSCALL_TRACE))
- goto out;
-
- ptrace_notify(SIGTRAP | ((current->ptrace & PT_TRACESYSGOOD)
- ? 0x80 : 0));
-
- /*
- * this isn't the same as continuing with a signal, but it will do
- * for normal use. strace only continues with a signal if the
- * stopping signal is not SIGTRAP. -brl
- */
- if (current->exit_code) {
- send_sig(current->exit_code, current, 1);
- current->exit_code = 0;
+ if (test_thread_flag(TIF_SYSCALL_TRACE)) {
+ if (syscall_exit_p)
+ tracehook_report_syscall_exit(regs, 0);
+ else
+ ret = tracehook_report_syscall_entry(regs);
}
-out:
- if (unlikely(current->audit_context) && !syscall_exit_p)
+ if (unlikely(current->audit_context) && !syscall_exit_p && !ret)
audit_syscall_entry((test_thread_flag(TIF_32BIT) ?
AUDIT_ARCH_SPARC :
AUDIT_ARCH_SPARC64),
@@ -1093,4 +1083,6 @@ out:
regs->u_regs[UREG_I1],
regs->u_regs[UREG_I2],
regs->u_regs[UREG_I3]);
+
+ return ret;
}
diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S
index c6fc695fe1f..97a993c1f7f 100644
--- a/arch/sparc64/kernel/rtrap.S
+++ b/arch/sparc64/kernel/rtrap.S
@@ -46,7 +46,7 @@ __handle_user_windows:
wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
ldx [%g6 + TI_FLAGS], %l0
-1: andcc %l0, _TIF_SIGPENDING, %g0
+1: andcc %l0, _TIF_DO_NOTIFY_RESUME_MASK, %g0
be,pt %xcc, __handle_user_windows_continue
nop
mov %l5, %o1
@@ -86,7 +86,7 @@ __handle_perfctrs:
wrpr %g0, RTRAP_PSTATE, %pstate
wrpr %g0, RTRAP_PSTATE_IRQOFF, %pstate
ldx [%g6 + TI_FLAGS], %l0
-1: andcc %l0, _TIF_SIGPENDING, %g0
+1: andcc %l0, _TIF_DO_NOTIFY_RESUME_MASK, %g0
be,pt %xcc, __handle_perfctrs_continue
sethi %hi(TSTATE_PEF), %o0
@@ -195,7 +195,7 @@ __handle_preemption_continue:
andcc %l1, %o0, %g0
andcc %l0, _TIF_NEED_RESCHED, %g0
bne,pn %xcc, __handle_preemption
- andcc %l0, _TIF_SIGPENDING, %g0
+ andcc %l0, _TIF_DO_NOTIFY_RESUME_MASK, %g0
bne,pn %xcc, __handle_signal
__handle_signal_continue:
ldub [%g6 + TI_WSAVED], %o2
diff --git a/arch/sparc64/kernel/signal.c b/arch/sparc64/kernel/signal.c
index 9667e96fd51..d1b84456a9e 100644
--- a/arch/sparc64/kernel/signal.c
+++ b/arch/sparc64/kernel/signal.c
@@ -17,11 +17,13 @@
#include <linux/errno.h>
#include <linux/wait.h>
#include <linux/ptrace.h>
+#include <linux/tracehook.h>
#include <linux/unistd.h>
#include <linux/mm.h>
#include <linux/tty.h>
#include <linux/binfmts.h>
#include <linux/bitops.h>
+#include <linux/tracehook.h>
#include <asm/uaccess.h>
#include <asm/ptrace.h>
@@ -574,6 +576,8 @@ static void do_signal(struct pt_regs *regs, unsigned long orig_i0)
* clear the TS_RESTORE_SIGMASK flag.
*/
current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
+
+ tracehook_signal_handler(signr, &info, &ka, regs, 0);
return;
}
if (restart_syscall &&
@@ -605,4 +609,8 @@ void do_notify_resume(struct pt_regs *regs, unsigned long orig_i0, unsigned long
{
if (thread_info_flags & _TIF_SIGPENDING)
do_signal(regs, orig_i0);
+ if (thread_info_flags & _TIF_NOTIFY_RESUME) {
+ clear_thread_flag(TIF_NOTIFY_RESUME);
+ tracehook_notify_resume(regs);
+ }
}
diff --git a/arch/sparc64/kernel/signal32.c b/arch/sparc64/kernel/signal32.c
index 97cdd1bf4a1..ba5b09ad666 100644
--- a/arch/sparc64/kernel/signal32.c
+++ b/arch/sparc64/kernel/signal32.c
@@ -19,6 +19,7 @@
#include <linux/binfmts.h>
#include <linux/compat.h>
#include <linux/bitops.h>
+#include <linux/tracehook.h>
#include <asm/uaccess.h>
#include <asm/ptrace.h>
@@ -794,6 +795,8 @@ void do_signal32(sigset_t *oldset, struct pt_regs * regs,
* clear the TS_RESTORE_SIGMASK flag.
*/
current_thread_info()->status &= ~TS_RESTORE_SIGMASK;
+
+ tracehook_signal_handler(signr, &info, &ka, regs, 0);
return;
}
if (restart_syscall &&
diff --git a/arch/sparc64/kernel/syscalls.S b/arch/sparc64/kernel/syscalls.S
index db19ed67acf..a2f24270ed8 100644
--- a/arch/sparc64/kernel/syscalls.S
+++ b/arch/sparc64/kernel/syscalls.S
@@ -162,6 +162,8 @@ linux_syscall_trace32:
add %sp, PTREGS_OFF, %o0
call syscall_trace
clr %o1
+ brnz,pn %o0, 3f
+ mov -ENOSYS, %o0
srl %i0, 0, %o0
srl %i4, 0, %o4
srl %i1, 0, %o1
@@ -173,6 +175,8 @@ linux_syscall_trace:
add %sp, PTREGS_OFF, %o0
call syscall_trace
clr %o1
+ brnz,pn %o0, 3f
+ mov -ENOSYS, %o0
mov %i0, %o0
mov %i1, %o1
mov %i2, %o2
generated by cgit v1.2.3-18-g5258 (git 2.32.0) at 2024-11-27 08:48:22 +0000