diff options
Diffstat (limited to 'arch/arm/probes/kprobes/test-core.h')
-rw-r--r-- | arch/arm/probes/kprobes/test-core.h | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/arch/arm/probes/kprobes/test-core.h b/arch/arm/probes/kprobes/test-core.h index 9991754947bc..94285203e9f7 100644 --- a/arch/arm/probes/kprobes/test-core.h +++ b/arch/arm/probes/kprobes/test-core.h @@ -45,10 +45,11 @@ extern int kprobe_test_cc_position; * */ -#define ARG_TYPE_END 0 -#define ARG_TYPE_REG 1 -#define ARG_TYPE_PTR 2 -#define ARG_TYPE_MEM 3 +#define ARG_TYPE_END 0 +#define ARG_TYPE_REG 1 +#define ARG_TYPE_PTR 2 +#define ARG_TYPE_MEM 3 +#define ARG_TYPE_REG_MASKED 4 #define ARG_FLAG_UNSUPPORTED 0x01 #define ARG_FLAG_SUPPORTED 0x02 @@ -61,7 +62,7 @@ struct test_arg { }; struct test_arg_regptr { - u8 type; /* ARG_TYPE_REG or ARG_TYPE_PTR */ + u8 type; /* ARG_TYPE_REG or ARG_TYPE_PTR or ARG_TYPE_REG_MASKED */ u8 reg; u8 _padding[2]; u32 val; @@ -138,6 +139,12 @@ struct test_arg_end { ".short 0 \n\t" \ ".word "#val" \n\t" +#define TEST_ARG_REG_MASKED(reg, val) \ + ".byte "__stringify(ARG_TYPE_REG_MASKED)" \n\t" \ + ".byte "#reg" \n\t" \ + ".short 0 \n\t" \ + ".word "#val" \n\t" + #define TEST_ARG_END(flags) \ ".byte "__stringify(ARG_TYPE_END)" \n\t" \ ".byte "TEST_ISA flags" \n\t" \ @@ -395,6 +402,22 @@ struct test_arg_end { " "codex" \n\t" \ TESTCASE_END +#define TEST_RMASKED(code1, reg, mask, code2) \ + TESTCASE_START(code1 #reg code2) \ + TEST_ARG_REG_MASKED(reg, mask) \ + TEST_ARG_END("") \ + TEST_INSTRUCTION(code1 #reg code2) \ + TESTCASE_END + +/* + * We ignore the state of the imprecise abort disable flag (CPSR.A) because this + * can change randomly as the kernel doesn't take care to preserve or initialise + * this across context switches. Also, with Security Extensions, the flag may + * not be under control of the kernel; for this reason we ignore the state of + * the FIQ disable flag CPSR.F as well. + */ +#define PSR_IGNORE_BITS (PSR_A_BIT | PSR_F_BIT) + /* * Macros for defining space directives spread over multiple lines. |