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Lines 349-355
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| 349 |
for (i = 1; i <= aframes; i++) { |
349 |
for (i = 1; i <= aframes; i++) { |
| 350 |
fp = fp->f_frame; |
350 |
fp = fp->f_frame; |
| 351 |
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351 |
|
| 352 |
if (fp->f_retaddr == (long)dtrace_invop_callsite) { |
352 |
if (P2ROUNDUP(fp->f_retaddr,16) == (long)dtrace_invop_callsite) { |
| 353 |
/* |
353 |
/* |
| 354 |
* In the case of amd64, we will use the pointer to the |
354 |
* In the case of amd64, we will use the pointer to the |
| 355 |
* regs structure that was pushed when we took the |
355 |
* regs structure that was pushed when we took the |
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Lines 363-395
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| 363 |
* we're seeking is passed in regsiters, we can just |
363 |
* we're seeking is passed in regsiters, we can just |
| 364 |
* load it directly. |
364 |
* load it directly. |
| 365 |
*/ |
365 |
*/ |
| 366 |
struct reg *rp = (struct reg *)((uintptr_t)&fp[1] + |
366 |
struct trapframe *tp = (struct trapframe *)((uintptr_t)&fp[1]); |
| 367 |
sizeof (uintptr_t)); |
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|
| 368 |
|
367 |
|
| 369 |
if (arg <= inreg) { |
368 |
if (arg <= inreg) { |
| 370 |
switch (arg) { |
369 |
switch (arg) { |
| 371 |
case 0: |
370 |
case 0: |
| 372 |
stack = (uintptr_t *)&rp->r_rdi; |
371 |
stack = (uintptr_t *)&tp->tf_rdi; |
| 373 |
break; |
372 |
break; |
| 374 |
case 1: |
373 |
case 1: |
| 375 |
stack = (uintptr_t *)&rp->r_rsi; |
374 |
stack = (uintptr_t *)&tp->tf_rsi; |
| 376 |
break; |
375 |
break; |
| 377 |
case 2: |
376 |
case 2: |
| 378 |
stack = (uintptr_t *)&rp->r_rdx; |
377 |
stack = (uintptr_t *)&tp->tf_rdx; |
| 379 |
break; |
378 |
break; |
| 380 |
case 3: |
379 |
case 3: |
| 381 |
stack = (uintptr_t *)&rp->r_rcx; |
380 |
stack = (uintptr_t *)&tp->tf_rcx; |
| 382 |
break; |
381 |
break; |
| 383 |
case 4: |
382 |
case 4: |
| 384 |
stack = (uintptr_t *)&rp->r_r8; |
383 |
stack = (uintptr_t *)&tp->tf_r8; |
| 385 |
break; |
384 |
break; |
| 386 |
case 5: |
385 |
case 5: |
| 387 |
stack = (uintptr_t *)&rp->r_r9; |
386 |
stack = (uintptr_t *)&tp->tf_r9; |
| 388 |
break; |
387 |
break; |
| 389 |
} |
388 |
} |
| 390 |
arg = 0; |
389 |
arg = 0; |
| 391 |
} else { |
390 |
} else { |
| 392 |
stack = (uintptr_t *)(rp->r_rsp); |
391 |
stack = (uintptr_t *)(tp->tf_rsp); |
| 393 |
arg -= inreg; |
392 |
arg -= inreg; |
| 394 |
} |
393 |
} |
| 395 |
goto load; |
394 |
goto load; |
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Lines 426-432
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| 426 |
DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT); |
425 |
DTRACE_CPUFLAG_CLEAR(CPU_DTRACE_NOFAULT); |
| 427 |
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426 |
|
| 428 |
return (val); |
427 |
return (val); |
| 429 |
return (0); |
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|
| 430 |
} |
428 |
} |