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author | John Stultz <john.stultz@linaro.org> | 2011-07-25 09:58:06 -0700 |
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committer | John Stultz <john.stultz@linaro.org> | 2011-07-25 09:58:06 -0700 |
commit | 21a602b5cdc203cbcf8bbeeb26edeb3de7c65955 (patch) | |
tree | 8618b4a8882f78076a779ebb416b54332cc213db /arch/arm/kernel/ptrace.c | |
parent | 1a3807e5a6bea7e4b195fbb399bbc09e73230d4c (diff) | |
parent | 81f6236c4811b2b2b3ea64a306c071f76788ac4b (diff) |
Merge branch 'upstream/linaro-3.0' into linaro-android-3.0linux-linaro-3.0-2011.07-1-android-0
Diffstat (limited to 'arch/arm/kernel/ptrace.c')
-rw-r--r-- | arch/arm/kernel/ptrace.c | 28 |
1 files changed, 3 insertions, 25 deletions
diff --git a/arch/arm/kernel/ptrace.c b/arch/arm/kernel/ptrace.c index 97260060bf2..897ade059f5 100644 --- a/arch/arm/kernel/ptrace.c +++ b/arch/arm/kernel/ptrace.c @@ -228,34 +228,12 @@ static struct undef_hook thumb_break_hook = { .fn = break_trap, }; -static int thumb2_break_trap(struct pt_regs *regs, unsigned int instr) -{ - unsigned int instr2; - void __user *pc; - - /* Check the second half of the instruction. */ - pc = (void __user *)(instruction_pointer(regs) + 2); - - if (processor_mode(regs) == SVC_MODE) { - instr2 = *(u16 *) pc; - } else { - get_user(instr2, (u16 __user *)pc); - } - - if (instr2 == 0xa000) { - ptrace_break(current, regs); - return 0; - } else { - return 1; - } -} - static struct undef_hook thumb2_break_hook = { - .instr_mask = 0xffff, - .instr_val = 0xf7f0, + .instr_mask = 0xffffffff, + .instr_val = 0xf7f0a000, .cpsr_mask = PSR_T_BIT, .cpsr_val = PSR_T_BIT, - .fn = thumb2_break_trap, + .fn = break_trap, }; static int __init ptrace_break_init(void) |