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-rw-r--r--arch/arm/kernel/kprobes-test.h100
1 files changed, 70 insertions, 30 deletions
diff --git a/arch/arm/kernel/kprobes-test.h b/arch/arm/kernel/kprobes-test.h
index 0dc5d77b9356..e28a869b1ae4 100644
--- a/arch/arm/kernel/kprobes-test.h
+++ b/arch/arm/kernel/kprobes-test.h
@@ -149,23 +149,31 @@ struct test_arg_end {
149 "1: "instruction" \n\t" \ 149 "1: "instruction" \n\t" \
150 " nop \n\t" 150 " nop \n\t"
151 151
152#define TEST_BRANCH_F(instruction, xtra_dist) \ 152#define TEST_BRANCH_F(instruction) \
153 TEST_INSTRUCTION(instruction) \ 153 TEST_INSTRUCTION(instruction) \
154 ".if "#xtra_dist" \n\t" \
155 " b 99f \n\t" \ 154 " b 99f \n\t" \
156 ".space "#xtra_dist" \n\t" \ 155 "2: nop \n\t"
157 ".endif \n\t" \ 156
157#define TEST_BRANCH_B(instruction) \
158 " b 50f \n\t" \
159 " b 99f \n\t" \
160 "2: nop \n\t" \
161 " b 99f \n\t" \
162 TEST_INSTRUCTION(instruction)
163
164#define TEST_BRANCH_FX(instruction, codex) \
165 TEST_INSTRUCTION(instruction) \
166 " b 99f \n\t" \
167 codex" \n\t" \
158 " b 99f \n\t" \ 168 " b 99f \n\t" \
159 "2: nop \n\t" 169 "2: nop \n\t"
160 170
161#define TEST_BRANCH_B(instruction, xtra_dist) \ 171#define TEST_BRANCH_BX(instruction, codex) \
162 " b 50f \n\t" \ 172 " b 50f \n\t" \
163 " b 99f \n\t" \ 173 " b 99f \n\t" \
164 "2: nop \n\t" \ 174 "2: nop \n\t" \
165 " b 99f \n\t" \ 175 " b 99f \n\t" \
166 ".if "#xtra_dist" \n\t" \ 176 codex" \n\t" \
167 ".space "#xtra_dist" \n\t" \
168 ".endif \n\t" \
169 TEST_INSTRUCTION(instruction) 177 TEST_INSTRUCTION(instruction)
170 178
171#define TESTCASE_END \ 179#define TESTCASE_END \
@@ -301,47 +309,60 @@ struct test_arg_end {
301 TESTCASE_START(code1 #reg1 code2) \ 309 TESTCASE_START(code1 #reg1 code2) \
302 TEST_ARG_PTR(reg1, val1) \ 310 TEST_ARG_PTR(reg1, val1) \
303 TEST_ARG_END("") \ 311 TEST_ARG_END("") \
304 TEST_BRANCH_F(code1 #reg1 code2, 0) \ 312 TEST_BRANCH_F(code1 #reg1 code2) \
305 TESTCASE_END 313 TESTCASE_END
306 314
307#define TEST_BF_X(code, xtra_dist) \ 315#define TEST_BF(code) \
308 TESTCASE_START(code) \ 316 TESTCASE_START(code) \
309 TEST_ARG_END("") \ 317 TEST_ARG_END("") \
310 TEST_BRANCH_F(code, xtra_dist) \ 318 TEST_BRANCH_F(code) \
311 TESTCASE_END 319 TESTCASE_END
312 320
313#define TEST_BB_X(code, xtra_dist) \ 321#define TEST_BB(code) \
314 TESTCASE_START(code) \ 322 TESTCASE_START(code) \
315 TEST_ARG_END("") \ 323 TEST_ARG_END("") \
316 TEST_BRANCH_B(code, xtra_dist) \ 324 TEST_BRANCH_B(code) \
317 TESTCASE_END 325 TESTCASE_END
318 326
319#define TEST_BF_RX(code1, reg, val, code2, xtra_dist) \ 327#define TEST_BF_R(code1, reg, val, code2) \
320 TESTCASE_START(code1 #reg code2) \ 328 TESTCASE_START(code1 #reg code2) \
321 TEST_ARG_REG(reg, val) \ 329 TEST_ARG_REG(reg, val) \
322 TEST_ARG_END("") \ 330 TEST_ARG_END("") \
323 TEST_BRANCH_F(code1 #reg code2, xtra_dist) \ 331 TEST_BRANCH_F(code1 #reg code2) \
324 TESTCASE_END 332 TESTCASE_END
325 333
326#define TEST_BB_RX(code1, reg, val, code2, xtra_dist) \ 334#define TEST_BB_R(code1, reg, val, code2) \
327 TESTCASE_START(code1 #reg code2) \ 335 TESTCASE_START(code1 #reg code2) \
328 TEST_ARG_REG(reg, val) \ 336 TEST_ARG_REG(reg, val) \
329 TEST_ARG_END("") \ 337 TEST_ARG_END("") \
330 TEST_BRANCH_B(code1 #reg code2, xtra_dist) \ 338 TEST_BRANCH_B(code1 #reg code2) \
331 TESTCASE_END 339 TESTCASE_END
332 340
333#define TEST_BF(code) TEST_BF_X(code, 0)
334#define TEST_BB(code) TEST_BB_X(code, 0)
335
336#define TEST_BF_R(code1, reg, val, code2) TEST_BF_RX(code1, reg, val, code2, 0)
337#define TEST_BB_R(code1, reg, val, code2) TEST_BB_RX(code1, reg, val, code2, 0)
338
339#define TEST_BF_RR(code1, reg1, val1, code2, reg2, val2, code3) \ 341#define TEST_BF_RR(code1, reg1, val1, code2, reg2, val2, code3) \
340 TESTCASE_START(code1 #reg1 code2 #reg2 code3) \ 342 TESTCASE_START(code1 #reg1 code2 #reg2 code3) \
341 TEST_ARG_REG(reg1, val1) \ 343 TEST_ARG_REG(reg1, val1) \
342 TEST_ARG_REG(reg2, val2) \ 344 TEST_ARG_REG(reg2, val2) \
343 TEST_ARG_END("") \ 345 TEST_ARG_END("") \
344 TEST_BRANCH_F(code1 #reg1 code2 #reg2 code3, 0) \ 346 TEST_BRANCH_F(code1 #reg1 code2 #reg2 code3) \
347 TESTCASE_END
348
349#define TEST_BF_X(code, codex) \
350 TESTCASE_START(code) \
351 TEST_ARG_END("") \
352 TEST_BRANCH_FX(code, codex) \
353 TESTCASE_END
354
355#define TEST_BB_X(code, codex) \
356 TESTCASE_START(code) \
357 TEST_ARG_END("") \
358 TEST_BRANCH_BX(code, codex) \
359 TESTCASE_END
360
361#define TEST_BF_RX(code1, reg, val, code2, codex) \
362 TESTCASE_START(code1 #reg code2) \
363 TEST_ARG_REG(reg, val) \
364 TEST_ARG_END("") \
365 TEST_BRANCH_FX(code1 #reg code2, codex) \
345 TESTCASE_END 366 TESTCASE_END
346 367
347#define TEST_X(code, codex) \ 368#define TEST_X(code, codex) \
@@ -372,6 +393,25 @@ struct test_arg_end {
372 TESTCASE_END 393 TESTCASE_END
373 394
374 395
396/*
397 * Macros for defining space directives spread over multiple lines.
398 * These are required so the compiler guesses better the length of inline asm
399 * code and will spill the literal pool early enough to avoid generating PC
400 * relative loads with out of range offsets.
401 */
402#define TWICE(x) x x
403#define SPACE_0x8 TWICE(".space 4\n\t")
404#define SPACE_0x10 TWICE(SPACE_0x8)
405#define SPACE_0x20 TWICE(SPACE_0x10)
406#define SPACE_0x40 TWICE(SPACE_0x20)
407#define SPACE_0x80 TWICE(SPACE_0x40)
408#define SPACE_0x100 TWICE(SPACE_0x80)
409#define SPACE_0x200 TWICE(SPACE_0x100)
410#define SPACE_0x400 TWICE(SPACE_0x200)
411#define SPACE_0x800 TWICE(SPACE_0x400)
412#define SPACE_0x1000 TWICE(SPACE_0x800)
413
414
375/* Various values used in test cases... */ 415/* Various values used in test cases... */
376#define N(val) (val ^ 0xffffffff) 416#define N(val) (val ^ 0xffffffff)
377#define VAL1 0x12345678 417#define VAL1 0x12345678
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