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* [PATCH 6/23] Make register values available to CRIS panic notifiers
@ 2010-04-12  6:03 David VomLehn
  0 siblings, 0 replies; 5+ messages in thread
From: David VomLehn @ 2010-04-12  6:03 UTC (permalink / raw)
  To: to, linux_arch, linux_arch; +Cc: akpm, linux-kernel, maint_arch

The save_ptregs() function has not been tested or even built. I will need
help to complete this.

Signed-off-by: David VomLehn <dvomlehn@cisco.com>
---
 arch/cris/include/arch-v10/arch/ptrace.h |   80 ++++++++++++++++++++++++++++
 arch/cris/include/arch-v32/arch/ptrace.h |   84 ++++++++++++++++++++++++++++++
 2 files changed, 164 insertions(+), 0 deletions(-)

diff --git a/arch/cris/include/arch-v10/arch/ptrace.h b/arch/cris/include/arch-v10/arch/ptrace.h
index 2f464ea..28be57c 100644
--- a/arch/cris/include/arch-v10/arch/ptrace.h
+++ b/arch/cris/include/arch-v10/arch/ptrace.h
@@ -114,6 +114,86 @@ struct switch_stack {
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs *);
 
+/* Macros for saving the contents of registers and for the output constraint
+ * for those registers */
+#include "/home/vomlehn/git/kernel.org/ptreg.h"
+#define PTREG_SAVE(r, name)	"move.d	$" #r ", %[" #r "]\n"
+#define PTREG_SAVE_R(i)		PTREG_SAVE_I(r, r, i)
+
+#define PTREG_OUT_R(regs, i)	PTREG_OUT_I(regs, r, r, i)
+
+#define arch_has_save_ptregs	1
+
+/**
+ * save_ptregs - save processor registers for backtracing
+ * @regs:	Pointer to &struct pt_regs structure in which to save the
+ *		registers
+ *
+ * Returns a constant pointer to @regs.
+ *
+ * This function must be called first in a function. There must be no
+ * auto variables defined that are initialized before calling this function.
+ */
+static __always_inline
+const struct pt_regs *save_ptregs(struct pt_regs *regs)
+{
+	__asm__ __volatile__ (
+			PTREG_SAVE(frametype)
+			PTREG_SAVE(orig_r10)
+			PTREGS_SAVE_R(13)
+			PTREGS_SAVE_R(12)
+			PTREGS_SAVE_R(11)
+			PTREGS_SAVE_R(10)
+			PTREGS_SAVE_R(9)
+			PTREGS_SAVE_R(8)
+			PTREGS_SAVE_R(7)
+			PTREGS_SAVE_R(6)
+			PTREGS_SAVE_R(5)
+			PTREGS_SAVE_R(4)
+			PTREGS_SAVE_R(3)
+			PTREGS_SAVE_R(2)
+			PTREGS_SAVE_R(1)
+			PTREGS_SAVE_R(0)
+			PTREG_SAVE(mof)
+			PTREG_SAVE(dccr)
+			PTREG_SAVE(srp)
+			PTREG_SAVE(irp)
+			PTREG_SAVE(csrinstr)
+			PTREG_SAVE(csraddr)
+			PTREG_SAVE(csrdata)
+		"1:\n"
+			"move.d	1b, r0\n"
+			PTREG_SAVE(r0, irp)
+	:
+		PTREG_OUT(regs, frametype, frametype),
+		PTREG_OUT(regs, orig_r10, orig_r10),
+		PTREG_OUT_I(regs, 13),
+		PTREG_OUT_I(regs, 12),
+		PTREG_OUT_I(regs, 11),
+		PTREG_OUT_I(regs, 10),
+		PTREG_OUT_I(regs, 9),
+		PTREG_OUT_I(regs, 8),
+		PTREG_OUT_I(regs, 7),
+		PTREG_OUT_I(regs, 6),
+		PTREG_OUT_I(regs, 5),
+		PTREG_OUT_I(regs, 4),
+		PTREG_OUT_I(regs, 3),
+		PTREG_OUT_I(regs, 2),
+		PTREG_OUT_I(regs, 1),
+		PTREG_OUT_I(regs, 0),
+		PTREG_OUT(regs, mof, mof),
+		PTREG_OUT(regs, dccr, dccr),
+		PTREG_OUT(regs, srp, srp),
+		PTREG_OUT(regs, irp, irp),
+		PTREG_OUT(regs, csrinstr, csrinstr),
+		PTREG_OUT(regs, csraddr, csraddr),
+		PTREG_OUT(regs, csrdata, csrdata)
+	:
+		"r0"
+	);
+
+	return regs;
+}
 #endif  /*  __KERNEL__  */
 
 #endif
diff --git a/arch/cris/include/arch-v32/arch/ptrace.h b/arch/cris/include/arch-v32/arch/ptrace.h
index ffca8d0..90ad6b1 100644
--- a/arch/cris/include/arch-v32/arch/ptrace.h
+++ b/arch/cris/include/arch-v32/arch/ptrace.h
@@ -114,6 +114,90 @@ struct switch_stack {
 extern void show_regs(struct pt_regs *);
 #define profile_pc(regs) instruction_pointer(regs)
 
+/* Macros for saving the contents of registers and for the output constraint
+ * for those registers */
+#include "/home/vomlehn/git/kernel.org/ptreg.h"
+#define PTREG_SAVE(r, name)	"move.d	$" #r ", %[" #r "]\n"
+#define PTREG_SAVE_R(i)		PTREG_SAVE_I(r, r, i)
+
+#define PTREG_OUT_R(regs, i)	PTREG_OUT_I(regs, r, r, i)
+
+#define arch_has_save_ptregs	1
+
+/**
+ * save_ptregs - save processor registers for backtracing
+ * @regs:	Pointer to &struct pt_regs structure in which to save the
+ *		registers
+ *
+ * Returns a constant pointer to @regs.
+ *
+ * This function must be called first in a function. There must be no
+ * auto variables defined that are initialized before calling this function.
+ */
+static __always_inline
+const struct pt_regs *save_ptregs(struct pt_regs *regs)
+{
+	__asm__ __volatile__ (
+			PTREG_SAVE(frametype)
+			PTREG_SAVE(orig_r10)
+			PTREGS_SAVE_R(13)
+			PTREGS_SAVE_R(12)
+			PTREGS_SAVE_R(11)
+			PTREGS_SAVE_R(10)
+			PTREGS_SAVE_R(9)
+			PTREGS_SAVE_R(8)
+			PTREGS_SAVE_R(7)
+			PTREGS_SAVE_R(6)
+			PTREGS_SAVE_R(5)
+			PTREGS_SAVE_R(4)
+			PTREGS_SAVE_R(3)
+			PTREGS_SAVE_R(2)
+			PTREGS_SAVE_R(1)
+			PTREGS_SAVE_R(0)
+			PTREG_SAVE(acr)
+			PTREG_SAVE(srs)
+			PTREG_SAVE(mof)
+			PTREG_SAVE(spc)
+			PTREG_SAVE(ccs)
+			PTREG_SAVE(srp)
+			PTREG_SAVE(erp)
+			PTREG_SAVE(exs)
+			PTREG_SAVE(eda)
+		"1:\n"
+			"move.d	1b, r0\n"
+			PTREG_SAVE(r0, irp)
+	:
+		PTREG_OUT(regs, frametype, frametype),
+		PTREG_OUT(regs, orig_r10, orig_r10),
+		PTREG_OUT_I(regs, 0),
+		PTREG_OUT_I(regs, 1),
+		PTREG_OUT_I(regs, 2),
+		PTREG_OUT_I(regs, 3),
+		PTREG_OUT_I(regs, 4),
+		PTREG_OUT_I(regs, 5),
+		PTREG_OUT_I(regs, 6),
+		PTREG_OUT_I(regs, 7),
+		PTREG_OUT_I(regs, 8),
+		PTREG_OUT_I(regs, 9),
+		PTREG_OUT_I(regs, 10),
+		PTREG_OUT_I(regs, 11),
+		PTREG_OUT_I(regs, 12),
+		PTREG_OUT_I(regs, 13),
+		PTREG_OUT(regs, acr, acr),
+		PTREG_OUT(regs, srs, srs),
+		PTREG_OUT(regs, mof, mof),
+		PTREG_OUT(regs, spc, spc),
+		PTREG_OUT(regs, ccs, ccs),
+		PTREG_OUT(regs, srp, srp),
+		PTREG_OUT(regs, erp, erp),
+		PTREG_OUT(regs, exs, exs),
+		PTREG_OUT(regs, eda, eda)
+	:
+		"r0"
+	);
+
+	return regs;
+}
 #endif  /*  __KERNEL__  */
 
 #endif

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* Re: [PATCH 6/23] Make register values available to CRIS panic notifiers
  2010-04-12 19:08 ` Sam Ravnborg
@ 2010-04-14 21:13   ` David VomLehn
  0 siblings, 0 replies; 5+ messages in thread
From: David VomLehn @ 2010-04-14 21:13 UTC (permalink / raw)
  To: Sam Ravnborg; +Cc: linux-arch, akpm, linux-kernel

Sam Ravnborg wrote:
> On Sun, Apr 11, 2010 at 11:06:25PM -0700, David VomLehn wrote:
>   
>> The save_ptregs() function has not been tested or even built. I will need
>> help to complete this.
>>
>> Signed-off-by: David VomLehn <dvomlehn@cisco.com>
>> ---
>>  arch/cris/include/arch-v10/arch/ptrace.h |   80 ++++++++++++++++++++++++++++
>>  arch/cris/include/arch-v32/arch/ptrace.h |   84 ++++++++++++++++++++++++++++++
>>  2 files changed, 164 insertions(+), 0 deletions(-)
>>
>> diff --git a/arch/cris/include/arch-v10/arch/ptrace.h b/arch/cris/include/arch-v10/arch/ptrace.h
>> index 2f464ea..28be57c 100644
>> --- a/arch/cris/include/arch-v10/arch/ptrace.h
>> +++ b/arch/cris/include/arch-v10/arch/ptrace.h
>> @@ -114,6 +114,86 @@ struct switch_stack {
>>  #define profile_pc(regs) instruction_pointer(regs)
>>  extern void show_regs(struct pt_regs *);
>>  
>> +/* Macros for saving the contents of registers and for the output constraint
>> + * for those registers */
>> +#include "/home/vomlehn/git/kernel.org/ptreg.h"
>>     
>
> The above include needs fixing.
> I did not look at the rest of your patches - they may suffer the same.
>
> PS: Your To: is seriously broken, I have to hand-edit Cc:s to send the mail
>   
Yes;, and I apologize for this. I've got to track down the reason for 
this. before send more
patches.
> 	Sam
>   


^ permalink raw reply	[flat|nested] 5+ messages in thread

* Re: [PATCH 6/23] Make register values available to CRIS panic notifiers
  2010-04-12  6:06 ` David VomLehn
  (?)
@ 2010-04-12 19:08 ` Sam Ravnborg
  2010-04-14 21:13   ` David VomLehn
  -1 siblings, 1 reply; 5+ messages in thread
From: Sam Ravnborg @ 2010-04-12 19:08 UTC (permalink / raw)
  To: David VomLehn; +Cc: linux-arch, akpm, linux-kernel

On Sun, Apr 11, 2010 at 11:06:25PM -0700, David VomLehn wrote:
> The save_ptregs() function has not been tested or even built. I will need
> help to complete this.
> 
> Signed-off-by: David VomLehn <dvomlehn@cisco.com>
> ---
>  arch/cris/include/arch-v10/arch/ptrace.h |   80 ++++++++++++++++++++++++++++
>  arch/cris/include/arch-v32/arch/ptrace.h |   84 ++++++++++++++++++++++++++++++
>  2 files changed, 164 insertions(+), 0 deletions(-)
> 
> diff --git a/arch/cris/include/arch-v10/arch/ptrace.h b/arch/cris/include/arch-v10/arch/ptrace.h
> index 2f464ea..28be57c 100644
> --- a/arch/cris/include/arch-v10/arch/ptrace.h
> +++ b/arch/cris/include/arch-v10/arch/ptrace.h
> @@ -114,6 +114,86 @@ struct switch_stack {
>  #define profile_pc(regs) instruction_pointer(regs)
>  extern void show_regs(struct pt_regs *);
>  
> +/* Macros for saving the contents of registers and for the output constraint
> + * for those registers */
> +#include "/home/vomlehn/git/kernel.org/ptreg.h"

The above include needs fixing.
I did not look at the rest of your patches - they may suffer the same.

PS: Your To: is seriously broken, I have to hand-edit Cc:s to send the mail

	Sam

^ permalink raw reply	[flat|nested] 5+ messages in thread

* [PATCH 6/23] Make register values available to CRIS panic notifiers
@ 2010-04-12  6:06 ` David VomLehn
  0 siblings, 0 replies; 5+ messages in thread
From: David VomLehn @ 2010-04-12  6:06 UTC (permalink / raw)
  To: to, linux-arch@vger.kernel.org, linux-arch; +Cc: akpm, linux-kernel, maint_arch

The save_ptregs() function has not been tested or even built. I will need
help to complete this.

Signed-off-by: David VomLehn <dvomlehn@cisco.com>
---
 arch/cris/include/arch-v10/arch/ptrace.h |   80 ++++++++++++++++++++++++++++
 arch/cris/include/arch-v32/arch/ptrace.h |   84 ++++++++++++++++++++++++++++++
 2 files changed, 164 insertions(+), 0 deletions(-)

diff --git a/arch/cris/include/arch-v10/arch/ptrace.h b/arch/cris/include/arch-v10/arch/ptrace.h
index 2f464ea..28be57c 100644
--- a/arch/cris/include/arch-v10/arch/ptrace.h
+++ b/arch/cris/include/arch-v10/arch/ptrace.h
@@ -114,6 +114,86 @@ struct switch_stack {
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs *);
 
+/* Macros for saving the contents of registers and for the output constraint
+ * for those registers */
+#include "/home/vomlehn/git/kernel.org/ptreg.h"
+#define PTREG_SAVE(r, name)	"move.d	$" #r ", %[" #r "]\n"
+#define PTREG_SAVE_R(i)		PTREG_SAVE_I(r, r, i)
+
+#define PTREG_OUT_R(regs, i)	PTREG_OUT_I(regs, r, r, i)
+
+#define arch_has_save_ptregs	1
+
+/**
+ * save_ptregs - save processor registers for backtracing
+ * @regs:	Pointer to &struct pt_regs structure in which to save the
+ *		registers
+ *
+ * Returns a constant pointer to @regs.
+ *
+ * This function must be called first in a function. There must be no
+ * auto variables defined that are initialized before calling this function.
+ */
+static __always_inline
+const struct pt_regs *save_ptregs(struct pt_regs *regs)
+{
+	__asm__ __volatile__ (
+			PTREG_SAVE(frametype)
+			PTREG_SAVE(orig_r10)
+			PTREGS_SAVE_R(13)
+			PTREGS_SAVE_R(12)
+			PTREGS_SAVE_R(11)
+			PTREGS_SAVE_R(10)
+			PTREGS_SAVE_R(9)
+			PTREGS_SAVE_R(8)
+			PTREGS_SAVE_R(7)
+			PTREGS_SAVE_R(6)
+			PTREGS_SAVE_R(5)
+			PTREGS_SAVE_R(4)
+			PTREGS_SAVE_R(3)
+			PTREGS_SAVE_R(2)
+			PTREGS_SAVE_R(1)
+			PTREGS_SAVE_R(0)
+			PTREG_SAVE(mof)
+			PTREG_SAVE(dccr)
+			PTREG_SAVE(srp)
+			PTREG_SAVE(irp)
+			PTREG_SAVE(csrinstr)
+			PTREG_SAVE(csraddr)
+			PTREG_SAVE(csrdata)
+		"1:\n"
+			"move.d	1b, r0\n"
+			PTREG_SAVE(r0, irp)
+	:
+		PTREG_OUT(regs, frametype, frametype),
+		PTREG_OUT(regs, orig_r10, orig_r10),
+		PTREG_OUT_I(regs, 13),
+		PTREG_OUT_I(regs, 12),
+		PTREG_OUT_I(regs, 11),
+		PTREG_OUT_I(regs, 10),
+		PTREG_OUT_I(regs, 9),
+		PTREG_OUT_I(regs, 8),
+		PTREG_OUT_I(regs, 7),
+		PTREG_OUT_I(regs, 6),
+		PTREG_OUT_I(regs, 5),
+		PTREG_OUT_I(regs, 4),
+		PTREG_OUT_I(regs, 3),
+		PTREG_OUT_I(regs, 2),
+		PTREG_OUT_I(regs, 1),
+		PTREG_OUT_I(regs, 0),
+		PTREG_OUT(regs, mof, mof),
+		PTREG_OUT(regs, dccr, dccr),
+		PTREG_OUT(regs, srp, srp),
+		PTREG_OUT(regs, irp, irp),
+		PTREG_OUT(regs, csrinstr, csrinstr),
+		PTREG_OUT(regs, csraddr, csraddr),
+		PTREG_OUT(regs, csrdata, csrdata)
+	:
+		"r0"
+	);
+
+	return regs;
+}
 #endif  /*  __KERNEL__  */
 
 #endif
diff --git a/arch/cris/include/arch-v32/arch/ptrace.h b/arch/cris/include/arch-v32/arch/ptrace.h
index ffca8d0..90ad6b1 100644
--- a/arch/cris/include/arch-v32/arch/ptrace.h
+++ b/arch/cris/include/arch-v32/arch/ptrace.h
@@ -114,6 +114,90 @@ struct switch_stack {
 extern void show_regs(struct pt_regs *);
 #define profile_pc(regs) instruction_pointer(regs)
 
+/* Macros for saving the contents of registers and for the output constraint
+ * for those registers */
+#include "/home/vomlehn/git/kernel.org/ptreg.h"
+#define PTREG_SAVE(r, name)	"move.d	$" #r ", %[" #r "]\n"
+#define PTREG_SAVE_R(i)		PTREG_SAVE_I(r, r, i)
+
+#define PTREG_OUT_R(regs, i)	PTREG_OUT_I(regs, r, r, i)
+
+#define arch_has_save_ptregs	1
+
+/**
+ * save_ptregs - save processor registers for backtracing
+ * @regs:	Pointer to &struct pt_regs structure in which to save the
+ *		registers
+ *
+ * Returns a constant pointer to @regs.
+ *
+ * This function must be called first in a function. There must be no
+ * auto variables defined that are initialized before calling this function.
+ */
+static __always_inline
+const struct pt_regs *save_ptregs(struct pt_regs *regs)
+{
+	__asm__ __volatile__ (
+			PTREG_SAVE(frametype)
+			PTREG_SAVE(orig_r10)
+			PTREGS_SAVE_R(13)
+			PTREGS_SAVE_R(12)
+			PTREGS_SAVE_R(11)
+			PTREGS_SAVE_R(10)
+			PTREGS_SAVE_R(9)
+			PTREGS_SAVE_R(8)
+			PTREGS_SAVE_R(7)
+			PTREGS_SAVE_R(6)
+			PTREGS_SAVE_R(5)
+			PTREGS_SAVE_R(4)
+			PTREGS_SAVE_R(3)
+			PTREGS_SAVE_R(2)
+			PTREGS_SAVE_R(1)
+			PTREGS_SAVE_R(0)
+			PTREG_SAVE(acr)
+			PTREG_SAVE(srs)
+			PTREG_SAVE(mof)
+			PTREG_SAVE(spc)
+			PTREG_SAVE(ccs)
+			PTREG_SAVE(srp)
+			PTREG_SAVE(erp)
+			PTREG_SAVE(exs)
+			PTREG_SAVE(eda)
+		"1:\n"
+			"move.d	1b, r0\n"
+			PTREG_SAVE(r0, irp)
+	:
+		PTREG_OUT(regs, frametype, frametype),
+		PTREG_OUT(regs, orig_r10, orig_r10),
+		PTREG_OUT_I(regs, 0),
+		PTREG_OUT_I(regs, 1),
+		PTREG_OUT_I(regs, 2),
+		PTREG_OUT_I(regs, 3),
+		PTREG_OUT_I(regs, 4),
+		PTREG_OUT_I(regs, 5),
+		PTREG_OUT_I(regs, 6),
+		PTREG_OUT_I(regs, 7),
+		PTREG_OUT_I(regs, 8),
+		PTREG_OUT_I(regs, 9),
+		PTREG_OUT_I(regs, 10),
+		PTREG_OUT_I(regs, 11),
+		PTREG_OUT_I(regs, 12),
+		PTREG_OUT_I(regs, 13),
+		PTREG_OUT(regs, acr, acr),
+		PTREG_OUT(regs, srs, srs),
+		PTREG_OUT(regs, mof, mof),
+		PTREG_OUT(regs, spc, spc),
+		PTREG_OUT(regs, ccs, ccs),
+		PTREG_OUT(regs, srp, srp),
+		PTREG_OUT(regs, erp, erp),
+		PTREG_OUT(regs, exs, exs),
+		PTREG_OUT(regs, eda, eda)
+	:
+		"r0"
+	);
+
+	return regs;
+}
 #endif  /*  __KERNEL__  */
 
 #endif

^ permalink raw reply related	[flat|nested] 5+ messages in thread

* [PATCH 6/23] Make register values available to CRIS panic notifiers
@ 2010-04-12  6:06 ` David VomLehn
  0 siblings, 0 replies; 5+ messages in thread
From: David VomLehn @ 2010-04-12  6:06 UTC (permalink / raw)
  To: to, linux-arch@vger.kernel.org; +Cc: akpm, linux-kernel, maint_arch

The save_ptregs() function has not been tested or even built. I will need
help to complete this.

Signed-off-by: David VomLehn <dvomlehn@cisco.com>
---
 arch/cris/include/arch-v10/arch/ptrace.h |   80 ++++++++++++++++++++++++++++
 arch/cris/include/arch-v32/arch/ptrace.h |   84 ++++++++++++++++++++++++++++++
 2 files changed, 164 insertions(+), 0 deletions(-)

diff --git a/arch/cris/include/arch-v10/arch/ptrace.h b/arch/cris/include/arch-v10/arch/ptrace.h
index 2f464ea..28be57c 100644
--- a/arch/cris/include/arch-v10/arch/ptrace.h
+++ b/arch/cris/include/arch-v10/arch/ptrace.h
@@ -114,6 +114,86 @@ struct switch_stack {
 #define profile_pc(regs) instruction_pointer(regs)
 extern void show_regs(struct pt_regs *);
 
+/* Macros for saving the contents of registers and for the output constraint
+ * for those registers */
+#include "/home/vomlehn/git/kernel.org/ptreg.h"
+#define PTREG_SAVE(r, name)	"move.d	$" #r ", %[" #r "]\n"
+#define PTREG_SAVE_R(i)		PTREG_SAVE_I(r, r, i)
+
+#define PTREG_OUT_R(regs, i)	PTREG_OUT_I(regs, r, r, i)
+
+#define arch_has_save_ptregs	1
+
+/**
+ * save_ptregs - save processor registers for backtracing
+ * @regs:	Pointer to &struct pt_regs structure in which to save the
+ *		registers
+ *
+ * Returns a constant pointer to @regs.
+ *
+ * This function must be called first in a function. There must be no
+ * auto variables defined that are initialized before calling this function.
+ */
+static __always_inline
+const struct pt_regs *save_ptregs(struct pt_regs *regs)
+{
+	__asm__ __volatile__ (
+			PTREG_SAVE(frametype)
+			PTREG_SAVE(orig_r10)
+			PTREGS_SAVE_R(13)
+			PTREGS_SAVE_R(12)
+			PTREGS_SAVE_R(11)
+			PTREGS_SAVE_R(10)
+			PTREGS_SAVE_R(9)
+			PTREGS_SAVE_R(8)
+			PTREGS_SAVE_R(7)
+			PTREGS_SAVE_R(6)
+			PTREGS_SAVE_R(5)
+			PTREGS_SAVE_R(4)
+			PTREGS_SAVE_R(3)
+			PTREGS_SAVE_R(2)
+			PTREGS_SAVE_R(1)
+			PTREGS_SAVE_R(0)
+			PTREG_SAVE(mof)
+			PTREG_SAVE(dccr)
+			PTREG_SAVE(srp)
+			PTREG_SAVE(irp)
+			PTREG_SAVE(csrinstr)
+			PTREG_SAVE(csraddr)
+			PTREG_SAVE(csrdata)
+		"1:\n"
+			"move.d	1b, r0\n"
+			PTREG_SAVE(r0, irp)
+	:
+		PTREG_OUT(regs, frametype, frametype),
+		PTREG_OUT(regs, orig_r10, orig_r10),
+		PTREG_OUT_I(regs, 13),
+		PTREG_OUT_I(regs, 12),
+		PTREG_OUT_I(regs, 11),
+		PTREG_OUT_I(regs, 10),
+		PTREG_OUT_I(regs, 9),
+		PTREG_OUT_I(regs, 8),
+		PTREG_OUT_I(regs, 7),
+		PTREG_OUT_I(regs, 6),
+		PTREG_OUT_I(regs, 5),
+		PTREG_OUT_I(regs, 4),
+		PTREG_OUT_I(regs, 3),
+		PTREG_OUT_I(regs, 2),
+		PTREG_OUT_I(regs, 1),
+		PTREG_OUT_I(regs, 0),
+		PTREG_OUT(regs, mof, mof),
+		PTREG_OUT(regs, dccr, dccr),
+		PTREG_OUT(regs, srp, srp),
+		PTREG_OUT(regs, irp, irp),
+		PTREG_OUT(regs, csrinstr, csrinstr),
+		PTREG_OUT(regs, csraddr, csraddr),
+		PTREG_OUT(regs, csrdata, csrdata)
+	:
+		"r0"
+	);
+
+	return regs;
+}
 #endif  /*  __KERNEL__  */
 
 #endif
diff --git a/arch/cris/include/arch-v32/arch/ptrace.h b/arch/cris/include/arch-v32/arch/ptrace.h
index ffca8d0..90ad6b1 100644
--- a/arch/cris/include/arch-v32/arch/ptrace.h
+++ b/arch/cris/include/arch-v32/arch/ptrace.h
@@ -114,6 +114,90 @@ struct switch_stack {
 extern void show_regs(struct pt_regs *);
 #define profile_pc(regs) instruction_pointer(regs)
 
+/* Macros for saving the contents of registers and for the output constraint
+ * for those registers */
+#include "/home/vomlehn/git/kernel.org/ptreg.h"
+#define PTREG_SAVE(r, name)	"move.d	$" #r ", %[" #r "]\n"
+#define PTREG_SAVE_R(i)		PTREG_SAVE_I(r, r, i)
+
+#define PTREG_OUT_R(regs, i)	PTREG_OUT_I(regs, r, r, i)
+
+#define arch_has_save_ptregs	1
+
+/**
+ * save_ptregs - save processor registers for backtracing
+ * @regs:	Pointer to &struct pt_regs structure in which to save the
+ *		registers
+ *
+ * Returns a constant pointer to @regs.
+ *
+ * This function must be called first in a function. There must be no
+ * auto variables defined that are initialized before calling this function.
+ */
+static __always_inline
+const struct pt_regs *save_ptregs(struct pt_regs *regs)
+{
+	__asm__ __volatile__ (
+			PTREG_SAVE(frametype)
+			PTREG_SAVE(orig_r10)
+			PTREGS_SAVE_R(13)
+			PTREGS_SAVE_R(12)
+			PTREGS_SAVE_R(11)
+			PTREGS_SAVE_R(10)
+			PTREGS_SAVE_R(9)
+			PTREGS_SAVE_R(8)
+			PTREGS_SAVE_R(7)
+			PTREGS_SAVE_R(6)
+			PTREGS_SAVE_R(5)
+			PTREGS_SAVE_R(4)
+			PTREGS_SAVE_R(3)
+			PTREGS_SAVE_R(2)
+			PTREGS_SAVE_R(1)
+			PTREGS_SAVE_R(0)
+			PTREG_SAVE(acr)
+			PTREG_SAVE(srs)
+			PTREG_SAVE(mof)
+			PTREG_SAVE(spc)
+			PTREG_SAVE(ccs)
+			PTREG_SAVE(srp)
+			PTREG_SAVE(erp)
+			PTREG_SAVE(exs)
+			PTREG_SAVE(eda)
+		"1:\n"
+			"move.d	1b, r0\n"
+			PTREG_SAVE(r0, irp)
+	:
+		PTREG_OUT(regs, frametype, frametype),
+		PTREG_OUT(regs, orig_r10, orig_r10),
+		PTREG_OUT_I(regs, 0),
+		PTREG_OUT_I(regs, 1),
+		PTREG_OUT_I(regs, 2),
+		PTREG_OUT_I(regs, 3),
+		PTREG_OUT_I(regs, 4),
+		PTREG_OUT_I(regs, 5),
+		PTREG_OUT_I(regs, 6),
+		PTREG_OUT_I(regs, 7),
+		PTREG_OUT_I(regs, 8),
+		PTREG_OUT_I(regs, 9),
+		PTREG_OUT_I(regs, 10),
+		PTREG_OUT_I(regs, 11),
+		PTREG_OUT_I(regs, 12),
+		PTREG_OUT_I(regs, 13),
+		PTREG_OUT(regs, acr, acr),
+		PTREG_OUT(regs, srs, srs),
+		PTREG_OUT(regs, mof, mof),
+		PTREG_OUT(regs, spc, spc),
+		PTREG_OUT(regs, ccs, ccs),
+		PTREG_OUT(regs, srp, srp),
+		PTREG_OUT(regs, erp, erp),
+		PTREG_OUT(regs, exs, exs),
+		PTREG_OUT(regs, eda, eda)
+	:
+		"r0"
+	);
+
+	return regs;
+}
 #endif  /*  __KERNEL__  */
 
 #endif

^ permalink raw reply related	[flat|nested] 5+ messages in thread

end of thread, other threads:[~2010-04-14 21:13 UTC | newest]

Thread overview: 5+ messages (download: mbox.gz / follow: Atom feed)
-- links below jump to the message on this page --
2010-04-12  6:03 [PATCH 6/23] Make register values available to CRIS panic notifiers David VomLehn
2010-04-12  6:06 David VomLehn
2010-04-12  6:06 ` David VomLehn
2010-04-12 19:08 ` Sam Ravnborg
2010-04-14 21:13   ` David VomLehn

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