PR_SET_FP_MODE(2const) PR_SET_FP_MODE(2const) PR_SET_FP_MODE - (libc -lc) #include /* PR_* */ #include int prctl(PR_SET_FP_MODE, unsigned long mode); MIPS ABI (FP) . ABI O32 FPXX ABIs FP32 FP64. . PR_SET_FP_MODE . mode : PR_FP_MODE_FR ( FR=0 FR0) 32 32 64 ( 32 32 ). ( ) 32 64 ( FR=1 FR1). MIPS (MIPS R6 ) FR=1 . ABI O32 FP32 (FR=0 FRE ). ABI O32 FP64 (ABI O32 FP64A FP32 ) (FR=1). ABI O32 FPXX FR=0 FR=1. PR_FP_MODE_FRE 32 . 32 32 . ( 32 64 FR=0 32 64 FR=1.) ABI O32 FP32 ABIs O32 FPXX O32 FP64A ( FPU FR=1) (MIPS R6 ) FR=0 ABI FP32. FPU 64 (FR=1). . ABI N32/N64 64 FPU FPU FR=1. (ld.so(8)). 0. -1 errno . EOPNOTSUPP mode . . MIPS . 4.0 (MIPS). prctl(2) PR_GET_FP_MODE(2const) 3 . . : . 6.18 8 2026 PR_SET_FP_MODE(2const)