Add ptrace_clear_single_step(), alpha already has it for years, the function

will be used by ptrace to clear a thread's single step state.

8 files changed, 59 insertions, 0 deletions

diff --git a/sys/amd64/amd64/machdep.c b/sys/amd64/amd64/machdep.c
index bfd0edc..b95c211 100644
--- a/sys/amd64/amd64/machdep.c
+++ b/sys/amd64/amd64/machdep.c
@@ -1303,6 +1303,13 @@ ptrace_single_step(struct thread *td)
 }
 
 int
+ptrace_clear_single_step(struct thread *td)
+{
+	td->td_frame->tf_rflags &= ~PSL_T;
+	return (0);
+}
+
+int
 fill_regs(struct thread *td, struct reg *regs)
 {
 	struct pcb *pcb;
diff --git a/sys/i386/i386/machdep.c b/sys/i386/i386/machdep.c
index a783e01..ec148fc 100644
--- a/sys/i386/i386/machdep.c
+++ b/sys/i386/i386/machdep.c
@@ -2252,6 +2252,13 @@ ptrace_single_step(struct thread *td)
 }
 
 int
+ptrace_clear_single_step(struct thread *td)
+{
+	td->td_frame->tf_eflags &= ~PSL_T;
+	return (0);
+}
+
+int
 fill_regs(struct thread *td, struct reg *regs)
 {
 	struct pcb *pcb;
diff --git a/sys/ia64/ia64/machdep.c b/sys/ia64/ia64/machdep.c
index 9fed902..1dfab47 100644
--- a/sys/ia64/ia64/machdep.c
+++ b/sys/ia64/ia64/machdep.c
@@ -1255,6 +1255,14 @@ ptrace_single_step(struct thread *td)
 }
 
 int
+ptrace_clear_single_step(struct thread *td)
+{
+
+	td->td_frame->tf_special.psr &= ~IA64_PSR_SS;
+	return (0);
+}
+
+int
 fill_regs(struct thread *td, struct reg *regs)
 {
 	struct trapframe *tf;
diff --git a/sys/pc98/i386/machdep.c b/sys/pc98/i386/machdep.c
index 67e5f71..96576ee 100644
--- a/sys/pc98/i386/machdep.c
+++ b/sys/pc98/i386/machdep.c
@@ -2309,6 +2309,13 @@ ptrace_single_step(struct thread *td)
 }
 
 int
+ptrace_clear_single_step(struct thread *td)
+{
+	td->td_frame->tf_eflags &= ~PSL_T;
+	return (0);
+}
+
+int
 fill_regs(struct thread *td, struct reg *regs)
 {
 	struct pcb *pcb;
diff --git a/sys/pc98/pc98/machdep.c b/sys/pc98/pc98/machdep.c
index 67e5f71..96576ee 100644
--- a/sys/pc98/pc98/machdep.c
+++ b/sys/pc98/pc98/machdep.c
@@ -2309,6 +2309,13 @@ ptrace_single_step(struct thread *td)
 }
 
 int
+ptrace_clear_single_step(struct thread *td)
+{
+	td->td_frame->tf_eflags &= ~PSL_T;
+	return (0);
+}
+
+int
 fill_regs(struct thread *td, struct reg *regs)
 {
 	struct pcb *pcb;
diff --git a/sys/powerpc/aim/machdep.c b/sys/powerpc/aim/machdep.c
index 051a121..4c3199e 100644
--- a/sys/powerpc/aim/machdep.c
+++ b/sys/powerpc/aim/machdep.c
@@ -820,6 +820,14 @@ ptrace_single_step(struct thread *td)
 	return (ENOSYS);
 }
 
+int
+ptrace_clear_single_step(struct thread *td)
+{
+
+	/* XXX: coming soon... */
+	return (ENOSYS);
+}
+
 /*
  * Initialise a struct pcpu.
  */
diff --git a/sys/powerpc/powerpc/machdep.c b/sys/powerpc/powerpc/machdep.c
index 051a121..4c3199e 100644
--- a/sys/powerpc/powerpc/machdep.c
+++ b/sys/powerpc/powerpc/machdep.c
@@ -820,6 +820,14 @@ ptrace_single_step(struct thread *td)
 	return (ENOSYS);
 }
 
+int
+ptrace_clear_single_step(struct thread *td)
+{
+
+	/* XXX: coming soon... */
+	return (ENOSYS);
+}
+
 /*
  * Initialise a struct pcpu.
  */
diff --git a/sys/sparc64/sparc64/machdep.c b/sys/sparc64/sparc64/machdep.c
index 1671af4..73e6aa3 100644
--- a/sys/sparc64/sparc64/machdep.c
+++ b/sys/sparc64/sparc64/machdep.c
@@ -711,6 +711,13 @@ ptrace_single_step(struct thread *td)
 	return (0);
 }
 
+int
+ptrace_clear_single_step(struct thread *td)
+{
+	/* TODO; */
+	return (0);
+}
+
 void
 exec_setregs(struct thread *td, u_long entry, u_long stack, u_long ps_strings)
 {