diff options
| -rw-r--r-- | arch/arm/include/asm/ptrace.h | 7 | ||||
| -rw-r--r-- | arch/arm/kernel/signal.c | 8 |
2 files changed, 13 insertions, 2 deletions
diff --git a/arch/arm/include/asm/ptrace.h b/arch/arm/include/asm/ptrace.h index 236a06b9b7c..4a4290f7b4a 100644 --- a/arch/arm/include/asm/ptrace.h +++ b/arch/arm/include/asm/ptrace.h @@ -65,6 +65,13 @@ #define PSR_x 0x0000ff00 /* Extension */ #define PSR_c 0x000000ff /* Control */ +/* + * ARMv7 groups of APSR bits + */ +#define PSR_ISET_MASK 0x01000010 /* ISA state (J, T) mask */ +#define PSR_IT_MASK 0x0600fc00 /* If-Then execution state mask */ +#define PSR_ENDIAN_MASK 0x00000200 /* Endianness state mask */ + #ifndef __ASSEMBLY__ /* diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index 80b8b5c7e07..442b87476f9 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -426,9 +426,13 @@ setup_return(struct pt_regs *regs, struct k_sigaction *ka, */ thumb = handler & 1; - if (thumb) + if (thumb) { cpsr |= PSR_T_BIT; - else +#if __LINUX_ARM_ARCH__ >= 7 + /* clear the If-Then Thumb-2 execution state */ + cpsr &= ~PSR_IT_MASK; +#endif + } else cpsr &= ~PSR_T_BIT; } #endif |