diff options
Diffstat (limited to 'include/asm-arm/ptrace.h')
-rw-r--r-- | include/asm-arm/ptrace.h | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/include/asm-arm/ptrace.h b/include/asm-arm/ptrace.h index ff038b65f370..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 |
@@ -121,14 +124,17 @@ struct pt_regs { | |||
121 | */ | 124 | */ |
122 | static inline int valid_user_regs(struct pt_regs *regs) | 125 | static inline int valid_user_regs(struct pt_regs *regs) |
123 | { | 126 | { |
124 | if (user_mode(regs) && | 127 | if (user_mode(regs) && (regs->ARM_cpsr & PSR_I_BIT) == 0) { |
125 | (regs->ARM_cpsr & (PSR_F_BIT|PSR_I_BIT)) == 0) | 128 | regs->ARM_cpsr &= ~(PSR_F_BIT | PSR_A_BIT); |
126 | return 1; | 129 | return 1; |
130 | } | ||
127 | 131 | ||
128 | /* | 132 | /* |
129 | * Force CPSR to something logical... | 133 | * Force CPSR to something logical... |
130 | */ | 134 | */ |
131 | 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; | ||
132 | 138 | ||
133 | return 0; | 139 | return 0; |
134 | } | 140 | } |