Revision c0a04f0e
| b/target-i386/op_helper.c | ||
|---|---|---|
| 590 | 590 |
#define SET_ESP(val, sp_mask) ESP = (ESP & ~(sp_mask)) | ((val) & (sp_mask)) |
| 591 | 591 |
#endif |
| 592 | 592 |
|
| 593 |
/* in 64-bit machines, this can overflow. So this segment addition macro |
|
| 594 |
* can be used to trim the value to 32-bit whenever needed */ |
|
| 595 |
#define SEG_ADDL(ssp, sp, sp_mask) ((uint32_t)((ssp) + (sp & (sp_mask)))) |
|
| 596 |
|
|
| 593 | 597 |
/* XXX: add a is_user flag to have proper security support */ |
| 594 | 598 |
#define PUSHW(ssp, sp, sp_mask, val)\ |
| 595 | 599 |
{\
|
| ... | ... | |
| 600 | 604 |
#define PUSHL(ssp, sp, sp_mask, val)\ |
| 601 | 605 |
{\
|
| 602 | 606 |
sp -= 4;\ |
| 603 |
stl_kernel((ssp) + (sp & (sp_mask)), (val));\
|
|
| 607 |
stl_kernel(SEG_ADDL(ssp, sp, sp_mask), (uint32_t)(val));\
|
|
| 604 | 608 |
} |
| 605 | 609 |
|
| 606 | 610 |
#define POPW(ssp, sp, sp_mask, val)\ |
| ... | ... | |
| 611 | 615 |
|
| 612 | 616 |
#define POPL(ssp, sp, sp_mask, val)\ |
| 613 | 617 |
{\
|
| 614 |
val = (uint32_t)ldl_kernel((ssp) + (sp & (sp_mask)));\
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|
| 618 |
val = (uint32_t)ldl_kernel(SEG_ADDL(ssp, sp, sp_mask));\
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|
| 615 | 619 |
sp += 4;\ |
| 616 | 620 |
} |
| 617 | 621 |
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