uc_access.3 (2010 09)

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uc_access(3)

Integrity Systems Only

uc_access(3)

[EINVAL] For the

__uc_set_ip()

call, ucp was created by a syscall and the low-order two

bits of

value are not zero, or

ucp was not created by a syscall and the low-order

two bits of

value are 0x3.

[EINVAL] For the

__uc_set_cfm()

call, bits outside the range 37:0 are set.

[[EINVAL] For the

__uc_set_um()

call, bits outside the range 5:1 are set.

[EINVAL] For the

__uc_set_ar_rsc()

, __uc_set_ar_fpsr()

,or

__uc_set_ar_pfs()

calls, a reserved ﬁeld is non-zero.

[EINVAL] For the

__uc_get_ar()

, __uc_set_ar(),or__uc_get_cr()

calls, an

invalid register is speciﬁed.

[EINVAL] For the

__uc_set_ar()

call, reg speciﬁes a valid register and value includes

reserved bits that are set.

[EINVAL] For the

__uc_get_ed()

or __uc_set_ed() calls, ucp

was created in a system

call.

[EINVAL] For the

__uc_set_ed()

call, value includes bits set other than the low-order bit

or the low-order bit is set and the saved CR.ISR.ED bit is clear.

[EINVAL] For the

__uc_get_rsebs{64}()

or __uc_set_rsebs{64}()

calls, the range

of memory locations speciﬁed by

addr and count includes values outside the

range AR.BSPSTORE (inclusive) and AR.BSP (exclusive) or if specifying the last

NaT collection location, count != 1

WARNINGS

Only minimal argument checking is performed. The caller must take care not to write invalid or out-of-

range values to any register or register ﬁeld. The effects of returning from a signal handler or calling

setcontext(2) after overwriting any register with invalid or out-of-range values are undeﬁned.

__uc_get_ar() is deprecated and should be used only by legacy applications.

__uc_get_ar_rsc()

, __uc_get_ar_bsp(), __uc_get_ar_bspstore()

__uc_get_ar_csd()

, __uc_get_ar_ssd(), __uc_get_ar_ccv()

, __uc_get_ar_unat(),

__uc_get_ar_fpsr()

, __uc_get_ar_pfs(), __uc_get_ar_lc()

, and __uc_get_ar_ec()

are the recommended replacements.

__uc_set_ar() is deprecated and should be used only by legacy applications.

__uc_set_ar_rsc()

, __uc_set_ar_csd(), __uc_set_ar_ssd()

, __uc_set_ar_ccv(),

__uc_set_ar_unat()

, __uc_set_ar_fpsr(), __uc_set_ar_pfs()

, __uc_set_ar_lc(),

and

__uc_set_ar_ec()

are the recommended replacements. __uc_get_cr() is deprecated and

should be used only by legacy applications.

AUTHOR

The UContext Access library was developed by HP.

FILES

/usr/include/uc_access.h Prototypes for the interfaces