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authorLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-12 17:17:12 -0400
committerLinus Torvalds <torvalds@woody.linux-foundation.org>2007-07-12 17:17:12 -0400
commit4aabab2181f20560948c2045ce1faaa9ac1507a8 (patch)
tree6556e126687c9cbb4b4a35a8ad8c327df30ac256 /include/asm-arm/ptrace.h
parentbb50cbbd4beacd5ceda76c32fcb116c67fe8c66c (diff)
parentca9ced7f6798868f9d2c81a59b49f8c2136685d8 (diff)
Merge branch 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm
* 'devel' of master.kernel.org:/home/rmk/linux-2.6-arm: (50 commits) [ARM] sa1100: remove boot time RTC initialisation [ARM] sa1100: stop doing our own rtc management over suspend [ARM] 4474/1: Do not check the PSR_F_BIT in valid_user_regs [ARM] 4473/2: Take the HWCAP definitions out of the elf.h file [ARM] pxa: move platform devices to separate header file [ARM] pxa: move device registration into CPU-specific file [ARM] pxa: remove boot time RTC initialisation [ARM] pxa: stop doing our own rtc management over suspend [ARM] 4451/1: pxa: make dma.c generic and remove cpu specific dma code [ARM] 4450/1: pxa: add pxa25x_init_irq() and pxa27x_init_irq() [ARM] 4440/1: PXA: enable the checking of ICIP2 for IRQs [ARM] 4438/1: PXA: remove #ifdef .. #endif from pxa_gpio_demux_handler() [ARM] 4437/1: PXA: move the GPIO IRQ initialization code to pxa_init_irq_gpio() [ARM] 4436/1: PXA: move low IRQ initialization code to pxa_init_irq_low() [ARM] 4435/1: PXA: remove PXA_INTERNAL_IRQS [ARM] 4434/1: PXA: remove PXA_IRQ_SKIP [ARM] pxa: Fix PXA27x suspend type validation, remove pxa_pm_prepare() [ARM] pxa: move pm_ops structure into CPU specific files [ARM] pxa: introduce cpu_is_pxaXXX macros [ARM] pxa: remove MMC register defines from pxa-regs.h ...
Diffstat (limited to 'include/asm-arm/ptrace.h')
-rw-r--r--include/asm-arm/ptrace.h16
1 files changed, 13 insertions, 3 deletions
diff --git a/include/asm-arm/ptrace.h b/include/asm-arm/ptrace.h
index ee3d93c281d8..7aaa206cb54e 100644
--- a/include/asm-arm/ptrace.h
+++ b/include/asm-arm/ptrace.h
@@ -10,6 +10,8 @@
10#ifndef __ASM_ARM_PTRACE_H 10#ifndef __ASM_ARM_PTRACE_H
11#define __ASM_ARM_PTRACE_H 11#define __ASM_ARM_PTRACE_H
12 12
13#include <asm/hwcap.h>
14
13#define PTRACE_GETREGS 12 15#define PTRACE_GETREGS 12
14#define PTRACE_SETREGS 13 16#define PTRACE_SETREGS 13
15#define PTRACE_GETFPREGS 14 17#define PTRACE_GETFPREGS 14
@@ -45,6 +47,7 @@
45#define PSR_T_BIT 0x00000020 47#define PSR_T_BIT 0x00000020
46#define PSR_F_BIT 0x00000040 48#define PSR_F_BIT 0x00000040
47#define PSR_I_BIT 0x00000080 49#define PSR_I_BIT 0x00000080
50#define PSR_A_BIT 0x00000100
48#define PSR_J_BIT 0x01000000 51#define PSR_J_BIT 0x01000000
49#define PSR_Q_BIT 0x08000000 52#define PSR_Q_BIT 0x08000000
50#define PSR_V_BIT 0x10000000 53#define PSR_V_BIT 0x10000000
@@ -103,6 +106,10 @@ struct pt_regs {
103#define thumb_mode(regs) (0) 106#define thumb_mode(regs) (0)
104#endif 107#endif
105 108
109#define isa_mode(regs) \
110 ((((regs)->ARM_cpsr & PSR_J_BIT) >> 23) | \
111 (((regs)->ARM_cpsr & PSR_T_BIT) >> 5))
112
106#define processor_mode(regs) \ 113#define processor_mode(regs) \
107 ((regs)->ARM_cpsr & MODE_MASK) 114 ((regs)->ARM_cpsr & MODE_MASK)
108 115
@@ -117,14 +124,17 @@ struct pt_regs {
117 */ 124 */
118static inline int valid_user_regs(struct pt_regs *regs) 125static inline int valid_user_regs(struct pt_regs *regs)
119{ 126{
120 if (user_mode(regs) && 127 if (user_mode(regs) && (regs->ARM_cpsr & PSR_I_BIT) == 0) {
121 (regs->ARM_cpsr & (PSR_F_BIT|PSR_I_BIT)) == 0) 128 regs->ARM_cpsr &= ~(PSR_F_BIT | PSR_A_BIT);
122 return 1; 129 return 1;
130 }
123 131
124 /* 132 /*
125 * Force CPSR to something logical... 133 * Force CPSR to something logical...
126 */ 134 */
127 regs->ARM_cpsr &= PSR_f | PSR_s | PSR_x | PSR_T_BIT | MODE32_BIT; 135 regs->ARM_cpsr &= PSR_f | PSR_s | (PSR_x & ~PSR_A_BIT) | PSR_T_BIT | MODE32_BIT;
136 if (!(elf_hwcap & HWCAP_26BIT))
137 regs->ARM_cpsr |= USR_MODE;
128 138
129 return 0; 139 return 0;
130} 140}