X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Fasm-arm%2Fptrace.h;h=7aaa206cb54ef22e8a45d92822b31bc8bda18782;hb=c617360afaeeef4bf3768dc0537edfc72ffb2763;hp=ee3d93c281d809900cd13086932755a368f18e40;hpb=2f41fc806434f8466bb361570589a3f6099ca65d;p=linux-2.6

diff --git a/include/asm-arm/ptrace.h b/include/asm-arm/ptrace.h
index ee3d93c281..7aaa206cb5 100644
--- a/include/asm-arm/ptrace.h
+++ b/include/asm-arm/ptrace.h
@@ -10,6 +10,8 @@
 #ifndef __ASM_ARM_PTRACE_H
 #define __ASM_ARM_PTRACE_H
 
+#include <asm/hwcap.h>
+
 #define PTRACE_GETREGS		12
 #define PTRACE_SETREGS		13
 #define PTRACE_GETFPREGS	14
@@ -45,6 +47,7 @@
 #define PSR_T_BIT	0x00000020
 #define PSR_F_BIT	0x00000040
 #define PSR_I_BIT	0x00000080
+#define PSR_A_BIT	0x00000100
 #define PSR_J_BIT	0x01000000
 #define PSR_Q_BIT	0x08000000
 #define PSR_V_BIT	0x10000000
@@ -103,6 +106,10 @@ struct pt_regs {
 #define thumb_mode(regs) (0)
 #endif
 
+#define isa_mode(regs) \
+	((((regs)->ARM_cpsr & PSR_J_BIT) >> 23) | \
+	 (((regs)->ARM_cpsr & PSR_T_BIT) >> 5))
+
 #define processor_mode(regs) \
 	((regs)->ARM_cpsr & MODE_MASK)
 
@@ -117,14 +124,17 @@ struct pt_regs {
  */
 static inline int valid_user_regs(struct pt_regs *regs)
 {
-	if (user_mode(regs) &&
-	    (regs->ARM_cpsr & (PSR_F_BIT|PSR_I_BIT)) == 0)
+	if (user_mode(regs) && (regs->ARM_cpsr & PSR_I_BIT) == 0) {
+		regs->ARM_cpsr &= ~(PSR_F_BIT | PSR_A_BIT);
 		return 1;
+	}
 
 	/*
 	 * Force CPSR to something logical...
 	 */
-	regs->ARM_cpsr &= PSR_f | PSR_s | PSR_x | PSR_T_BIT | MODE32_BIT;
+	regs->ARM_cpsr &= PSR_f | PSR_s | (PSR_x & ~PSR_A_BIT) | PSR_T_BIT | MODE32_BIT;
+	if (!(elf_hwcap & HWCAP_26BIT))
+		regs->ARM_cpsr |= USR_MODE;
 
 	return 0;
 }